阅读说明：本技术 一种路口施工用自发光四面警示方法 (Self-luminous four-side warning method for intersection construction ) 是由 汤先松 于 2021-06-23 设计创作，主要内容包括：本发明涉及一种路口施工用自发光四面警示方法,其步骤在于：S1：工作人员通过拉动设置于箱体侧面的拉杆,将箱体拖拉至预设地点；S2：工作人员通过操控器将信号传递给支撑装置中的驱动机构,驱动机构运行并驱使支撑装置中的四组支撑组件由收缩状态切换为支撑状态,通过四组支撑组件中的支撑脚对箱体进行支撑；S3：工作人员通过操控器将信号传递给警示装置中的动力机构,动力机构向警示装置中的自展开机构传递展开动力,使每组展开构件中的支撑杆均呈竖直布置；S4：展开构件中的支撑杆展开并牵引警示机构同步上升,上升过程中,警示机构中的警示牌在自身重力作用下向下偏转,当每组展开构件中的支撑杆均呈竖直布置的同时,警示牌呈竖直布置。(The invention relates to a self-luminous four-side warning method for intersection construction, which comprises the following steps: s1: a worker pulls the box body to a preset place by pulling a pull rod arranged on the side surface of the box body; s2: the operator transmits a signal to a driving mechanism in the supporting device through the manipulator, the driving mechanism operates and drives four groups of supporting components in the supporting device to be switched from a contraction state to a supporting state, and the box body is supported through supporting legs in the four groups of supporting components; s3: the working personnel transmit signals to a power mechanism in the warning device through the controller, and the power mechanism transmits unfolding power to a self-unfolding mechanism in the warning device, so that the supporting rods in each group of unfolding components are vertically arranged; s4: the bracing piece that expandes in the component expandes and pulls warning mechanism and rises in step, and the in-process that rises, the warning sign among the warning mechanism deflects downwards under self action of gravity, and when the bracing piece in every group expansion component all was vertical arrangement, the warning sign was vertical arrangement.)

1. A self-luminous four-side warning method for intersection construction comprises the following steps:

s1: a worker pulls the box body to a preset place by pulling a pull rod arranged on the side surface of the box body;

s2: the operator transmits a signal to a driving mechanism in the supporting device through the manipulator, the driving mechanism operates and drives four groups of supporting components in the supporting device to be switched from a contraction state to a supporting state, and the box body is supported through supporting legs in the four groups of supporting components;

s3: the working personnel transmit the signal to a power mechanism in the warning device through the controller, and the power mechanism transmits the unfolding power to a self-unfolding mechanism in the warning device;

the middle position of the closed end of the box body is provided with an extension opening, the closed end of the box body is also provided with a containing groove communicated with the extension opening, the bottom of the containing groove is provided with a through hole for the self-unfolding mechanism to extend out of the box body, the through hole is communicated with the extension opening, and the containing grooves are provided with four and are vertically arranged between two adjacent containing grooves;

the opening end of the box body is provided with a bottom cover, a guide frame is arranged in the box body, a vertical guide area with the guide direction perpendicular to the large surface of the bottom cover is arranged on the guide frame, and the vertical guide area and the extension opening are positioned on the same straight line;

the self-unfolding mechanism comprises unfolding components, the unfolding components are provided with a plurality of groups along the guiding direction of the vertical guiding area, each unfolding component comprises a connecting seat a and unfolding assemblies, sliding guiding fit is formed between the connecting seat a and the vertical guiding area of the guiding frame, the unfolding assemblies are positioned right below the through holes, and the unfolding assemblies in each group of unfolding components are correspondingly provided with four groups;

the unfolding component comprises a connecting seat b and two supporting rods, the two supporting rods are respectively a supporting rod a and a supporting rod b, and the supporting rod a is positioned on one side of the supporting rod b facing the bottom cover;

one end of the supporting rod a is a connecting end, the other end of the supporting rod a is hinged with the connecting seat b, a hinged shaft formed at the hinged position of the supporting rod a and the connecting seat b is a rotating shaft b, and the axial direction of the rotating shaft b is perpendicular to the guiding direction of the vertical guiding area;

one end of the supporting rod b is hinged with the connecting seat a, the other end of the supporting rod b is hinged with the connecting seat b, a hinged shaft formed at the hinged position of the supporting rod b and the connecting seat b is a rotating shaft c, a hinged shaft formed at the hinged position of the supporting rod b and the connecting seat a is a rotating shaft d, and the rotating shaft c, the rotating shaft d and the rotating shaft b are parallel to each other;

a second power connecting piece is arranged between the rotating shaft b and the rotating shaft c, and the second power connecting piece is of a gear set structure with a first transmission ratio;

the connecting end of a supporting rod a in one group of unfolding components is hinged with a connecting seat a in the other adjacent group of unfolding components, a hinged shaft formed at the hinged position is a rotating shaft e, a first power connecting piece is arranged between the rotating shaft e in one group of unfolding components and a rotating shaft d in the other adjacent group of unfolding components, and the first power connecting piece is of a gear set structure with a first transmission ratio;

the connecting ends of the supporting rods a in the unfolding components close to the bottom cover in the plurality of groups of unfolding components are hinged with the power mechanism, and a hinged shaft formed at the hinged position is a rotating shaft f;

the power mechanism operates and deflects the supporting rod a in the unfolding component close to the bottom cover around the rotating shaft f, so that the unfolding component closest to the bottom cover is unfolded, the other unfolding components are synchronously unfolded, the connecting seat a in each group of unfolding components synchronously rises along the guiding direction of the vertical guiding area of the guiding frame, and the unfolding motor stops operating until the supporting rods in each group of unfolding components are vertically arranged;

s4: the connecting seat a in the expansion member far away from the bottom cover in the plurality of groups of expansion members is connected with the warning mechanism;

keep away from connecting seat a in the expansion component of bottom and rise and pull warning mechanism and rise in step, the in-process that rises, warning sign among the warning mechanism deflects downwards under self action of gravity, and when the bracing piece in every group expansion component all was vertical arrangement, the warning sign was vertical arrangement.

2. The self-luminous four-side warning method for intersection construction according to claim 1, wherein rollers are arranged in the side surface of the box body, a pull rod is hinged to the side surface of the box body, and the side surface of the box body provided with the rollers and the side surface of the box body provided with the pull rod are parallel to each other;

the hinged part of the pull rod and the box body is provided with a jack, and a bolt is arranged in the jack;

the above step S1:

s11: the worker takes out the bolt and reinserts the bolt into the jack after the pull rod is unfolded, and the worker pulls the box body to a preset place through the pull rod and the roller;

s12: the worker takes out the bolt and inserts the bolt into the jack again after the pull rod is folded to be clung to the side surface of the box body;

s13: the staff lay the box on the ground.

3. The self-luminous four-side warning method for intersection construction as claimed in claim 1, wherein the supporting device comprises a supporting mechanism and a driving mechanism, the supporting mechanism is used for unfolding and supporting the box body after the box body moves to a preset place, and the driving mechanism is used for driving the supporting mechanism to operate after the box body moves to the preset place;

the supporting mechanism comprises supporting members, four groups of supporting members are arranged and are respectively distributed at four right angles of the bottom cover, and avoidance notches for avoiding the supporting members are formed in four side surfaces of the box body;

the supporting member comprises a mounting seat mounted on the bottom cover and a supporting component mounted on the mounting seat;

the support assembly is configured to switch between a retracted state and a supported state;

the supporting component comprises a driving threaded rod and a turnover rod;

the axial direction of the driving threaded rod is perpendicular to the large surface of the bottom cover, the driving threaded rod is installed on the installation seat and rotates around the installation seat in the axial direction, the driving rod is installed on the outer thread of the driving threaded rod, the driving rod and the installation seat form sliding guide fit with the guiding direction perpendicular to the large surface of the bottom cover, and the driving threaded rod rotates and pulls the driving rod to move in the axial direction of the driving threaded rod;

the turnover rod is positioned on one side of the driving rod facing the avoidance notch, the end part of the turnover rod close to the bottom cover is hinged with the mounting seat, a hinged shaft formed at the hinged position of the turnover rod and the mounting seat is a rotating shaft a, and the axial direction of the rotating shaft a is parallel to the large surface of the bottom cover;

supporting legs are arranged at the end parts, far away from the bottom cover, of the turnover rods;

a linkage part is arranged between the turnover rod and the driving rod and is used for receiving driving force generated by the movement of the driving rod and driving the turnover rod to deflect around the axial direction of the rotating shaft a;

the supporting leg consists of an adjusting threaded rod and a supporting leg seat, the adjusting threaded rod is perpendicular to the turnover rod and in threaded connection with the turnover rod, and the supporting leg seat is installed on the end part of the adjusting threaded rod;

the above step S2:

s21: a worker transmits a signal to a driving mechanism in the supporting device through a manipulator, the driving mechanism operates and drives a driving threaded rod to rotate, the driving threaded rod rotates and drives a driving rod to move away from the bottom cover, the driving rod moves and drives an overturning rod to deflect around the axial direction of a rotating shaft a through a linkage part, so that an adjusting threaded rod in a supporting leg is vertically arranged, and a supporting component is switched to a supporting state;

s22: according to the concave-convex condition of the ground in the preset place, the adjusting threaded rod is rotated to enable the supporting foot seats to be in contact with the ground, and the supporting mechanism supports the box body.

4. The self-luminous four-side warning method for intersection construction as claimed in claim 3, wherein the linkage member includes a linkage rod perpendicular to the end of the driving rod near the bottom cover, and a linkage frame obliquely installed on the end of the flip rod near the bottom cover, the distance between the linkage frame and the flip rod decreases in the direction from the open end of the box body to the closed end, and the linkage frame and the linkage rod are both located between the driving rod and the flip rod;

the linkage rod is provided with a linkage area with the guiding direction parallel to the large surface of the bottom cover and vertical to the axial direction of the rotating shaft a;

the end part of the linkage frame facing the bottom cover is provided with a linkage shaft which is axially parallel to the axial direction of the rotating shaft a, and the linkage shaft is in sliding guide fit with the linkage area.

5. The self-luminous four-side warning method for intersection construction as claimed in claim 4, wherein the driving mechanism comprises a power transmission member and a driving motor installed in the box body, the power transmission member is used for receiving power output by the driving motor and driving the driving threaded rods in the four groups of support assemblies to rotate around the self-axial direction.

6. The self-luminous four-side warning method for intersection construction as claimed in claim 1, wherein the end face of the bottom cover is provided with a bearing seat, the power mechanism comprises a spreading motor mounted on the bottom cover and a transmission shaft mounted on the bearing seat and rotating around the self-axial direction, and the transmission shaft and the vertical guide region of the guide frame are positioned on the same straight line;

a third power transmission part for realizing power transmission between the output end of the unfolding motor and the input end of the transmission shaft is arranged between the output end of the unfolding motor and the input end of the transmission shaft;

the connecting ends of the supporting rods a in the unfolding components close to the bottom cover in the plurality of groups of unfolding components are hinged with the bearing seat, a hinged shaft formed at the hinged position is a rotating shaft f, and four rotating shafts f are correspondingly formed;

a fourth power transmission part is arranged between the four rotating shafts f and the transmission shaft, and is used for receiving the unfolding power generated by the rotation of the transmission shaft and transmitting the unfolding power to the four rotating shafts f;

and the power transmission part IV comprises a worm arranged outside the transmission shaft and a worm wheel arranged outside the rotating shaft f, and the worm wheel is meshed with the worm.

7. The self-luminous four-side warning method for intersection construction according to claim 6, wherein the warning mechanism comprises a fixed seat and a warning board;

the large surface of the fixed seat is parallel to the large surface of the bottom cover, the fixed seat is positioned in the extension port, and the fixed seat is connected with a connecting seat a in an expansion member far away from the bottom cover in a plurality of groups of expansion members;

the warning boards are positioned in the accommodating groove, and four warning boards are correspondingly arranged;

the warning board is hinged with the side face of the fixed seat.

Technical Field

The invention relates to the field of road construction, in particular to a self-luminous four-side warning method for intersection construction.

Background

Traffic diversion and lane occupation construction are increasingly applied in life, and safety warning marks need to be placed at construction sites in municipal engineering construction to remind passing vehicles and pedestrians of paying attention to safety; for example, in the road surface construction of traffic engineering, when constructors need to stay in situ or maintain, safety warning boards are placed at the front and the back of a construction site to avoid secondary damage to subsequent vehicles, the construction of the existing warning facilities generally comprises the steps of transporting the warning facilities to the vicinity of a preset place through vehicles, transporting a warning frame to the preset place through manpower, and then installing the warning boards on the warning frame, wherein the transportation and installation process wastes time and labor, in addition, the warning frame is large, the warning frame is inconvenient to release when being placed or taken in the process of transporting the warning frame through the vehicles, in addition, if the ground of the preset place is uneven, the warning frame needs to be stabilized through stone pressing or other means after being placed, and is inconvenient, therefore, the invention provides a portable telescopic four-side warning lamp for intersection construction, which is convenient for the constructors to drag a box body to the preset place through rollers and pull rods, the pull rod can be folded to be close to the side surface of the box body, so that the pull rod is prevented from obstructing the walking of vehicles or passers-by; secondly, the box body is supported by four groups of supporting legs, and supporting leg seats in the supporting legs are adjustable in height and suitable for the ground with different concave-convex conditions; thirdly, the warning board is pulled to be unfolded through the self-unfolding mechanism, the length advantage of the supporting rod can be exerted, and the sight of passing vehicles and pedestrians and the warning effect cannot be influenced; when the novel folding box is not used, the pull rod is folded to be close to the side face of the box body, and the supporting device and the warning device are both folded and located in the box body, so that stacking and transportation are facilitated.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a self-luminous four-side warning method for intersection construction.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A self-luminous four-side warning method for intersection construction comprises the following steps:

s1: a worker pulls the box body to a preset place by pulling a pull rod arranged on the side surface of the box body;

s2: the operator transmits a signal to a driving mechanism in the supporting device through the manipulator, the driving mechanism operates and drives four groups of supporting components in the supporting device to be switched from a contraction state to a supporting state, and the box body is supported through supporting legs in the four groups of supporting components;

s3: the working personnel transmit the signal to a power mechanism in the warning device through the controller, and the power mechanism transmits the unfolding power to a self-unfolding mechanism in the warning device;

the middle position of the closed end of the box body is provided with an extension opening, the closed end of the box body is also provided with a containing groove communicated with the extension opening, the bottom of the containing groove is provided with a through hole for the self-unfolding mechanism to extend out of the box body, the through hole is communicated with the extension opening, and the containing grooves are provided with four and are vertically arranged between two adjacent containing grooves;

the opening end of the box body is provided with a bottom cover, a guide frame is arranged in the box body, a vertical guide area with the guide direction perpendicular to the large surface of the bottom cover is arranged on the guide frame, and the vertical guide area and the extension opening are positioned on the same straight line;

the self-unfolding mechanism comprises unfolding components, the unfolding components are provided with a plurality of groups along the guiding direction of the vertical guiding area, each unfolding component comprises a connecting seat a and unfolding assemblies, sliding guiding fit is formed between the connecting seat a and the vertical guiding area of the guiding frame, the unfolding assemblies are positioned right below the through holes, and the unfolding assemblies in each group of unfolding components are correspondingly provided with four groups;

the unfolding component comprises a connecting seat b and two supporting rods, the two supporting rods are respectively a supporting rod a and a supporting rod b, and the supporting rod a is positioned on one side of the supporting rod b facing the bottom cover;

one end of the supporting rod a is a connecting end, the other end of the supporting rod a is hinged with the connecting seat b, a hinged shaft formed at the hinged position of the supporting rod a and the connecting seat b is a rotating shaft b, and the axial direction of the rotating shaft b is perpendicular to the guiding direction of the vertical guiding area;

one end of the supporting rod b is hinged with the connecting seat a, the other end of the supporting rod b is hinged with the connecting seat b, a hinged shaft formed at the hinged position of the supporting rod b and the connecting seat b is a rotating shaft c, a hinged shaft formed at the hinged position of the supporting rod b and the connecting seat a is a rotating shaft d, and the rotating shaft c, the rotating shaft d and the rotating shaft b are parallel to each other;

a second power connecting piece is arranged between the rotating shaft b and the rotating shaft c, and the second power connecting piece is of a gear set structure with a first transmission ratio;

the connecting end of a supporting rod a in one group of unfolding components is hinged with a connecting seat a in the other adjacent group of unfolding components, a hinged shaft formed at the hinged position is a rotating shaft e, a first power connecting piece is arranged between the rotating shaft e in one group of unfolding components and a rotating shaft d in the other adjacent group of unfolding components, and the first power connecting piece is of a gear set structure with a first transmission ratio;

the connecting ends of the supporting rods a in the unfolding components close to the bottom cover in the plurality of groups of unfolding components are hinged with the power mechanism, and a hinged shaft formed at the hinged position is a rotating shaft f;

the power mechanism operates and deflects the supporting rod a in the unfolding component close to the bottom cover around the rotating shaft f, so that the unfolding component closest to the bottom cover is unfolded, the other unfolding components are synchronously unfolded, the connecting seat a in each group of unfolding components synchronously rises along the guiding direction of the vertical guiding area of the guiding frame, and the unfolding motor stops operating until the supporting rods in each group of unfolding components are vertically arranged;

s4: the connecting seat a in the expansion member far away from the bottom cover in the plurality of groups of expansion members is connected with the warning mechanism;

keep away from connecting seat a in the expansion component of bottom and rise and pull warning mechanism and rise in step, the in-process that rises, warning sign among the warning mechanism deflects downwards under self action of gravity, and when the bracing piece in every group expansion component all was vertical arrangement, the warning sign was vertical arrangement.

Further, idler wheels are arranged in the side face of the box body, a pull rod is hinged to the side face of the box body, and the side face of the box body provided with the idler wheels is parallel to the side face of the box body provided with the pull rod;

the hinged part of the pull rod and the box body is provided with a jack, and a bolt is arranged in the jack;

the above step S1:

s11: the worker takes out the bolt and reinserts the bolt into the jack after the pull rod is unfolded, and the worker pulls the box body to a preset place through the pull rod and the roller;

s12: the worker takes out the bolt and inserts the bolt into the jack again after the pull rod is folded to be clung to the side surface of the box body;

s13: the staff lay the box on the ground.

Furthermore, the supporting device comprises a supporting mechanism and a driving mechanism, the supporting mechanism is used for unfolding and supporting the box body after the box body moves to a preset place, and the driving mechanism is used for driving the supporting mechanism to operate after the box body moves to the preset place;

the supporting mechanism comprises supporting members, four groups of supporting members are arranged and are respectively distributed at four right angles of the bottom cover, and avoidance notches for avoiding the supporting members are formed in four side surfaces of the box body;

the supporting member comprises a mounting seat mounted on the bottom cover and a supporting component mounted on the mounting seat;

the support assembly is configured to switch between a retracted state and a supported state;

the supporting component comprises a driving threaded rod and a turnover rod;

the axial direction of the driving threaded rod is perpendicular to the large surface of the bottom cover, the driving threaded rod is installed on the installation seat and rotates around the installation seat in the axial direction, the driving rod is installed on the outer thread of the driving threaded rod, the driving rod and the installation seat form sliding guide fit with the guiding direction perpendicular to the large surface of the bottom cover, and the driving threaded rod rotates and pulls the driving rod to move in the axial direction of the driving threaded rod;

the turnover rod is positioned on one side of the driving rod facing the avoidance notch, the end part of the turnover rod close to the bottom cover is hinged with the mounting seat, a hinged shaft formed at the hinged position of the turnover rod and the mounting seat is a rotating shaft a, and the axial direction of the rotating shaft a is parallel to the large surface of the bottom cover;

supporting legs are arranged at the end parts, far away from the bottom cover, of the turnover rods;

a linkage part is arranged between the turnover rod and the driving rod and is used for receiving driving force generated by the movement of the driving rod and driving the turnover rod to deflect around the axial direction of the rotating shaft a;

the supporting leg consists of an adjusting threaded rod and a supporting leg seat, the adjusting threaded rod is perpendicular to the turnover rod and in threaded connection with the turnover rod, and the supporting leg seat is installed on the end part of the adjusting threaded rod;

the above step S2:

s21: a worker transmits a signal to a driving mechanism in the supporting device through a manipulator, the driving mechanism operates and drives a driving threaded rod to rotate, the driving threaded rod rotates and drives a driving rod to move away from the bottom cover, the driving rod moves and drives an overturning rod to deflect around the axial direction of a rotating shaft a through a linkage part, so that an adjusting threaded rod in a supporting leg is vertically arranged, and a supporting component is switched to a supporting state;

s22: according to the concave-convex condition of the ground in the preset place, the adjusting threaded rod is rotated to enable the supporting foot seats to be in contact with the ground, and the supporting mechanism supports the box body.

Furthermore, the linkage part comprises a linkage rod which is perpendicular to the end part of the driving rod, which is close to the bottom cover, and a linkage frame which is obliquely arranged on the end part of the turnover rod, which is close to the bottom cover, wherein the distance between the linkage frame and the turnover rod is gradually reduced along the direction from the open end of the box body to the closed end, and the linkage frame and the linkage rod are both positioned between the driving rod and the turnover rod;

the linkage rod is provided with a linkage area with the guiding direction parallel to the large surface of the bottom cover and vertical to the axial direction of the rotating shaft a;

the end part of the linkage frame facing the bottom cover is provided with a linkage shaft which is axially parallel to the axial direction of the rotating shaft a, and the linkage shaft is in sliding guide fit with the linkage area.

Furthermore, the driving mechanism comprises a power transmission component and a driving motor arranged in the box body, and the power transmission component is used for receiving power output by the driving motor and driving the driving threaded rods in the four groups of supporting assemblies to rotate around the self axial direction.

Furthermore, the end face of the bottom cover is provided with a bearing seat, the power mechanism comprises an unfolding motor arranged on the bottom cover and a transmission shaft arranged on the bearing seat and rotating around the bearing seat in the axial direction, and the transmission shaft and the vertical guide area of the guide frame are positioned on the same straight line;

a third power transmission part for realizing power transmission between the output end of the unfolding motor and the input end of the transmission shaft is arranged between the output end of the unfolding motor and the input end of the transmission shaft;

the connecting ends of the supporting rods a in the unfolding components close to the bottom cover in the plurality of groups of unfolding components are hinged with the bearing seat, a hinged shaft formed at the hinged position is a rotating shaft f, and four rotating shafts f are correspondingly formed;

a fourth power transmission part is arranged between the four rotating shafts f and the transmission shaft, and is used for receiving the unfolding power generated by the rotation of the transmission shaft and transmitting the unfolding power to the four rotating shafts f;

and the power transmission part IV comprises a worm arranged outside the transmission shaft and a worm wheel arranged outside the rotating shaft f, and the worm wheel is meshed with the worm.

Furthermore, the warning mechanism comprises a fixed seat and a warning board;

the large surface of the fixed seat is parallel to the large surface of the bottom cover, the fixed seat is positioned in the extension port, and the fixed seat is connected with a connecting seat a in an expansion member far away from the bottom cover in a plurality of groups of expansion members;

the warning boards are positioned in the accommodating groove, and four warning boards are correspondingly arranged;

the warning board is hinged with the side face of the fixed seat.

Compared with the prior art, the invention has the beneficial effects that:

1. the side surface of the box body is provided with the roller and the pull rod, so that a worker can conveniently drag the box body to a preset place, in addition, the pull rod is hinged with the box body, the pull rod can be folded and folded to be tightly attached to the side surface of the box body when the box body is dragged to the preset place, so that the pull rod is prevented from obstructing the walking of vehicles or passersby, in addition, the hinged part of the pull rod and the box body can be provided with the jack, and when the box body is dragged, the jack can be inserted into the jack through the bolt, so that the pull rod cannot rotate, and the process of dragging the box body is smoother;

2. the four groups of supporting legs support the box body, the height of the supporting foot seats in the supporting legs is adjustable, when the supporting assembly is unfolded and the supporting foot seats and the ground are enabled to be matched, a worker can adjust the height of the supporting foot seats according to the specific concave-convex condition of the ground, the supporting mechanism can stably support the box body, in addition, the box body can be horizontally arranged, four warning boards in a subsequent warning device are enabled to be kept vertical and at the same height, the phenomenon that partial warning boards incline is avoided, and a vehicle driver can more clearly observe the content on the warning boards;

3. the warning board is pulled to be unfolded through the self-unfolding mechanism, and compared with a cross folding and unfolding structure in the prior art shown in the specification, namely, the self-unfolding structure in the prior art can exert the length advantage of the supporting rod, in addition, the cross folding and unfolding structure in the prior art can realize the folding or unfolding action by simultaneously applying external force on two rods, and four warning boards need two groups of cross folding and unfolding structures, namely, the four external force is simultaneously applied to realize the unfolding of the four warning boards, so that the power structure required by driving the two groups of cross folding and unfolding structures is relatively complex, in addition, the rods in the cross folding and unfolding structure in the prior art can not be unfolded to be vertically arranged, the sight of passing vehicles and pedestrians can be influenced, and the warning effect is influenced;

4. when the portable folding type trolley is not used, the pull rod is folded to be close to the side face of the box body, and the supporting device and the warning device are both folded and located in the box body, so that the portable folding type trolley is convenient to stack and transport.

Drawings

Fig. 1 is a schematic structural diagram of the present invention during movement.

Fig. 2 is a schematic structural diagram of the present invention when switching from the folded state to the unfolded state.

Fig. 3 is a schematic structural diagram of the box body in the invention.

Fig. 4 is a schematic view of the internal structure of the present invention.

Fig. 5 is a schematic structural view of the support device in a contracted state according to the present invention.

Fig. 6 is a schematic structural view of the supporting device in the supporting state of the present invention.

Fig. 7 is a schematic structural view of the support device in a contracted state according to the present invention.

Fig. 8 is a structural schematic view of the supporting device in the supporting state of the invention.

Fig. 9 is a schematic structural view of the support assembly of the present invention.

Fig. 10 is a schematic structural diagram of a linkage member in the present invention.

Fig. 11 is a schematic structural diagram of the warning device of the present invention.

Fig. 12 is a schematic structural view of the warning device in a folded state according to the present invention.

Fig. 13 is a schematic structural view of the warning device in the expanded state of the present invention.

Fig. 14 is a schematic view of the engagement of two adjacent sets of spreading members in the present invention.

Fig. 15 is a schematic view of the structure of the deployment member in the present invention.

Fig. 16 is a schematic view of the deployment member and power mechanism of the present invention.

Fig. 17 is a schematic view of the deployment member and the warning mechanism of the present invention.

Fig. 18 is a schematic view of a cross-folded unfolded configuration in the prior art.

The reference numbers in the drawings are:

100. a box body; 101. avoiding the notch; 102. an extension opening; 103. accommodating grooves; 104. perforating holes;

110. a bottom cover; 120. a roller; 130. a pull rod;

200. a support device;

210. a mounting seat;

220. a drive mechanism; 221. a drive motor; 222. a power transmission member I; 223. a second power transmission element;

230. a support assembly; 231. driving the threaded rod; 232. a drive rod; 233. a turning rod; 234. adjusting the threaded rod; 235. a supporting foot seat; 236. a linkage frame; 237. a linkage zone; 238. a linkage shaft;

300. a warning device;

310. a guide frame;

320. a power mechanism; 321. a motor is unfolded; 322. a third power transmission element; 323. a transmission shaft; 324. a power transmission member IV;

330. a self-expanding mechanism; 331. a connecting seat a; 332. a first power connecting piece; 333. a connecting seat b; 334. a support rod a; 335. a support rod b; 336. a second power connecting piece;

340. a warning mechanism; 341. a fixed seat; 342. a warning board.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

A self-luminous four-side warning method for intersection construction comprises the following steps:

s1: the worker pulls the case 100 to a preset place by pulling the pull rod 130 provided at the side of the case 100;

s2: a worker transmits a signal to the driving mechanism 220 in the supporting device 200 through a manipulator, the driving mechanism 220 operates and drives the four groups of supporting components 230 in the supporting device 200 to be switched from a retracted state to a supporting state, and the box body 100 is supported through supporting feet in the four groups of supporting components 230;

s3: the operator transmits the signal to the power mechanism 320 in the warning device 300 through the manipulator, and the power mechanism 320 transmits the unfolding power to the self-unfolding mechanism 330 in the warning device 300;

an extension opening 102 is formed in the middle of the closed end of the box body 100, an accommodating groove 103 communicated with the extension opening 102 is further formed in the closed end of the box body 100, a through hole 104 for allowing the self-unfolding mechanism 330 to extend out of the box body 100 is formed in the bottom of the accommodating groove 103, the through hole 104 is communicated with the extension opening 102, and four accommodating grooves 103 are vertically arranged between every two adjacent accommodating grooves 103;

the open end of the box body 100 is provided with a bottom cover 110, the box body 100 is internally provided with a guide frame 310, the guide frame 310 is provided with a vertical guide area with the guide direction vertical to the large surface of the bottom cover 110, and the vertical guide area and the extension port 102 are positioned on the same straight line;

the self-unfolding mechanism 330 comprises unfolding components, the unfolding components are provided with a plurality of groups along the guiding direction of the vertical guiding area, each unfolding component comprises a connecting seat a331 and unfolding components, the connecting seat a331 and the vertical guiding area of the guiding frame 310 form sliding guiding fit, the unfolding components are positioned right below the through holes 104, and four groups of unfolding components in each group of unfolding components are correspondingly arranged;

the unfolding component comprises a connecting seat b333 and two support rods, the two support rods are respectively a support rod a334 and a support rod b335, and the support rod a334 is positioned on one side of the support rod b335 facing the bottom cover 110;

one end of the support rod a334 is a connecting end, the other end of the support rod a334 is hinged with the connecting seat b333, a hinged shaft formed at the hinged position of the support rod a334 and the connecting seat b333 is a rotating shaft b, and the axial direction of the rotating shaft b is perpendicular to the guiding direction of the vertical guiding area;

one end of the supporting rod b335 is hinged with the connecting seat a331, the other end of the supporting rod b335 is hinged with the connecting seat b333, a hinged shaft formed at the hinged position of the supporting rod b335 and the connecting seat b333 is a rotating shaft c, a hinged shaft formed at the hinged position of the supporting rod b335 and the connecting seat a331 is a rotating shaft d, and the rotating shaft c, the rotating shaft d and the rotating shaft b are parallel to each other;

a second power connecting piece 336 is arranged between the rotating shaft b and the rotating shaft c, and the second power connecting piece 336 is of a gear set structure with a first transmission ratio;

the connecting end of the supporting rod a334 in one group of the unfolding components is hinged with the connecting seat a331 in the other adjacent group of the unfolding components, a hinged shaft formed at the hinged position is a rotating shaft e, a first power connecting piece 332 is arranged between the rotating shaft e in one group of the unfolding components and the rotating shaft d in the other adjacent group of the unfolding components, and the first power connecting piece 332 is of a gear set structure with a first transmission ratio;

the connecting end of the support rod a334 of the unfolding components close to the bottom cover 110 in the plurality of groups of unfolding components is hinged with the power mechanism 320, and a hinge shaft formed at the hinged position is a rotating shaft f;

the power mechanism 320 operates and deflects the support rod a334 of the expansion member close to the bottom cover 110 around the rotating shaft f, so that the expansion member closest to the bottom cover 110 is expanded, and then the other expansion members are synchronously expanded, so that the connecting seat a331 of each group of expansion members synchronously rises along the guiding direction of the vertical guiding area of the guiding frame 310, and the expansion motor 321 stops operating until the support rods of each group of expansion members are vertically arranged;

s4: the connecting seat a331 of the expanding member far away from the bottom cover 110 among the plurality of groups of expanding members is connected with the warning mechanism 340;

in the step S3, the connecting seat a331 in the unfolding member far from the bottom cover 110 ascends and pulls the warning mechanism 340 to ascend synchronously, during the ascending process, the warning board 342 in the warning mechanism 340 deflects downwards under the action of its own gravity, and when the supporting rods in each group of unfolding members are all arranged vertically, the warning board 342 is arranged vertically.

As shown in fig. 1 to 3, a portable retractable four-side warning light for intersection construction includes a box body 100, the box body 100 is a rectangular shell structure with an open end and a closed end, and a box cover 110 is installed at the open end of the box body 100.

In a preferred embodiment, rollers 120 are disposed in the side surface of the box body 100, a pull rod 130 is disposed on the side surface of the box body 100, and the side surface of the box body 100 on which the rollers 120 are disposed is parallel to the side surface of the box body 100 on which the pull rod 130 is disposed, wherein the pull rod 130 is a telescopic pull rod structure, which is similar to a pull rod structure on a luggage case, and is not described herein again for the prior art, and the arrangement of the pull rod 130 and the rollers 120 can enable a worker to move the present invention more easily and conveniently.

In addition, the draw bar 130 may be hingedly disposed at the side of the case 100, so that the draw bar 130 may be folded and folded to be closely attached to the side of the case 100 when the present invention is pulled to a predetermined place, to prevent the draw bar 130 from obstructing the traveling of the vehicle or passerby.

In addition, the hinge joint of the draw bar 130 and the case 100 may be provided with a socket, and when the present invention is drawn, the draw bar 130 may not rotate by inserting a pin into the socket, so that the process of drawing the present invention may be more smooth.

As shown in fig. 4, the box 100 is provided with a supporting device 200 and a warning device 300, the supporting device 300 is used for unfolding the box 100 after the box 100 moves to a preset place and supporting the box 100, and the warning device 300 is used for unfolding the box 100 after the box moves to the preset place and warning construction intersections on four sides, wherein the warning device 300 can adopt a warning lamp warning mode, can adopt a warning board warning mode, and can also adopt other modes of warning pedestrians and vehicles.

As shown in fig. 3 and 5-10, the supporting device 200 includes a supporting mechanism for unfolding and supporting the box 100 after the box 100 moves to a predetermined location, and a driving mechanism 220 for driving the supporting mechanism to operate after the box 100 moves to the predetermined location; after the box 100 moves to the preset place, the operator can drive the driving mechanism 220 to operate, and further the supporting mechanism operates to support the box 100, wherein the driving mechanism 220 can start to operate in a signal receiving mode, the driving mechanism 220 can be controlled by arranging an APP on a mobile phone, the driving mechanism 220 can also be controlled by directly arranging a controller matched with the mobile phone, and other control modes can also be controlled.

As shown in fig. 3, 5, 9-10, the supporting mechanism includes four groups of supporting members respectively distributed at four right angles of the bottom cover 110, and four side surfaces of the box 100 are respectively provided with an avoiding notch 101 for avoiding the supporting members; the support member may protrude to the outside of the casing 100 through the relief notch 101 and support the casing 100.

The support member includes a mount 210 mounted on the bottom cover 110 and a support assembly 230 mounted on the mount 210.

The support assembly 230 is configured to switch between a retracted state and a supported state.

As shown in fig. 9-10, the support assembly 230 includes a drive threaded rod 231 and a flip rod 233.

The axial direction of the driving threaded rod 231 is perpendicular to the large surface of the bottom cover 110, the driving threaded rod 231 is installed on the installation seat 210 and rotates around the axial direction of the driving threaded rod 231, the driving rod 232 is installed on the external thread of the driving threaded rod 231, the driving rod 232 and the installation seat 210 form sliding guide fit with the guiding direction perpendicular to the large surface of the bottom cover 110, and the driving threaded rod 231 rotates and pulls the driving rod 232 to move along the axial direction of the driving threaded rod 231.

The turning rod 233 is located on one side of the driving rod 232 facing the avoidance notch 101, the end portion of the turning rod 233 close to the bottom cover 110 is hinged to the mounting seat 210, a hinge shaft formed at the hinge position of the turning rod 233 and the mounting seat 210 is a rotating shaft a, and the axial direction of the rotating shaft a is parallel to the large surface of the bottom cover 110.

The end of the turning rod 233 far away from the bottom cover 110 is provided with a supporting foot.

A linkage part is arranged between the turning rod 233 and the driving rod 232, the linkage part is used for receiving driving force generated by movement of the driving rod 232 and driving the turning rod 233 to deflect axially around the rotating shaft a, when the box body 100 is dragged to a preset place, the driving mechanism 220 drives the driving threaded rod 231 to rotate, the driving threaded rod 231 rotates and drives the driving rod 232 to move away from the bottom cover 110, the driving rod 232 moves and drives the turning rod 233 to deflect axially around the rotating shaft a through the linkage part, and then the supporting legs penetrate through the avoiding notch 101 and are contacted with the ground, and further the box body 100 is supported through the supporting legs in the four groups of supporting members, at the moment, as the driving threaded rod 231 is in threaded connection with the driving rod 232, and the threaded connection has self-locking property, the box body 100 can be stably supported through the four groups of supporting legs.

Specifically, the linkage member includes a linkage rod perpendicular to the end of the driving rod 232 close to the bottom cover 110, and a linkage frame 236 obliquely installed on the end of the turning rod 233 close to the bottom cover 110, the distance between the linkage frame 236 and the turning rod 233 decreases in the direction from the open end of the box 100 to the closed end, and the linkage frame 236 and the linkage rod are both located between the driving rod 232 and the turning rod 233; the linking frame 236 may be composed of two obliquely arranged rods shown in fig. 10 of this specification, or may be of other frame structures as long as the driving rod 232 is not affected to drive the turning rod 233 to deflect.

The linkage rod is provided with a linkage area 237 which has a guiding direction parallel to the large surface of the bottom cover 110 and perpendicular to the axial direction of the rotating shaft a.

The end of the linkage frame 236 facing the bottom cover 110 is provided with a linkage shaft 238 which is axially parallel to the axial direction of the rotating shaft a, and the linkage shaft 238 is in sliding guide fit with the linkage area 237; when the driving rod 232 moves away from the bottom cover 110, the rotation rod 233 is pulled to deflect axially around the rotation axis a by the cooperation of the linking area 237 and the linking shaft 238.

In a preferred embodiment, the supporting foot is composed of an adjusting threaded rod 234 and a supporting foot seat 235, wherein the adjusting threaded rod 234 is perpendicular to the turning rod 233, the adjusting threaded rod 234 is in threaded connection with the turning rod 233, and the adjusting threaded rod 234 can move along the axial direction of the adjusting threaded rod 234 while rotating around the axial direction of the adjusting threaded rod.

The support foot 235 is mounted on the end of the adjustment threaded rod 234.

When the supporting member 230 is unfolded and the supporting leg base 235 is located on the ground, the worker can adjust the height of the supporting leg base 235 according to the specific concave-convex condition of the ground, so that the supporting mechanism can stably support the box body 100.

As shown in fig. 7, the driving mechanism 220 includes a power transmission member and a driving motor 221 installed in the box 100, the power transmission member is used for receiving power output by the driving motor 221 and driving the driving threaded rods 231 in the four sets of support assemblies 230 to rotate around their own axes; the power transmission member may be composed of a first power transmission member 222 disposed between the output end of the driving motor 221 and the driving threaded rods 231 in any one of the sets of supporting assemblies 230 and a second power transmission member 223 disposed between the four sets of driving threaded rods 231 as shown in fig. 7 of this specification, the first power transmission member 222 is a speed reduction belt transmission structure with a transmission ratio greater than one, the second power transmission member 223 is a belt transmission structure with a transmission ratio of one, and the power transmission member may also be composed of other power transmission structures as long as synchronous and same-direction rotation of the four driving threaded rods 231 is realized.

The whole operation process of the supporting device 200 is embodied as follows: after the box 100 is dragged to the preset place, the worker retracts the pull rod 130 and makes the box 100 lie on the ground, then, the worker transmits signals to the driving motor 221 through mobile phone APP or a controller and other control modes, the driving motor 221 runs and drives the driving threaded rods 231 in the four groups of supporting assemblies 230 to rotate through the power transmission member, the turning rods 233 deflect, the supporting legs penetrate through the avoiding notches 101 and contact the supporting foot seats 235 in the supporting legs with the ground, the driving motor 221 stops running, and the worker finely adjusts the height of the supporting foot seats 235 to be suitable for the ground condition of the preset place.

In the above process, when the supporting foot seats 235 contact with the ground, the box body 100 can be set to ascend under the action of the reaction force between the supporting foot seats 235 and the ground and be separated from the contact with the ground, which means that the box body 100 is supported by the four supporting foot seats 235, when the ground is uneven, the heights of the four supporting foot seats 235 can be finely adjusted, so that the supporting mechanism stably supports the box body 100, in addition, the box body 100 can be horizontally arranged, so that the four warning boards 342 in the subsequent warning device 300 are kept vertical and at the same height, the phenomenon that part of the warning boards 342 inclines does not occur, and a vehicle driver can more clearly observe the content on the warning boards 342.

As shown in fig. 11-13, the warning device 300 includes a power mechanism 320, a self-unfolding mechanism 330, a warning mechanism 340, and a guiding frame 310 installed in the box 100, wherein the guiding frame 310 is used for performing a vertical guiding function during the unfolding process of the self-unfolding mechanism 330, the power mechanism 320 is used for driving the self-unfolding mechanism 330 to operate, the self-unfolding mechanism 330 is used for unfolding the warning mechanism 340, the self-unfolding mechanism 330 is set to switch between a folded state and an unfolded state, and the warning mechanism 340 is used for warning pedestrians and vehicles at the intersection; the self-unfolding mechanism 330 and the warning mechanism 340 are located in the middle of the large surface of the bottom cover 110, so that after the warning mechanism 340 is unfolded, the gravity centers of the warning mechanism 340 and the self-unfolding mechanism 330 are located on the vertical center line of the box body 100, and the self-unfolding mechanism is not easily blown down by external force such as wind.

As shown in fig. 3, an extending opening 102 is opened at the middle position of the closed end of the box body 100, an accommodating groove 103 communicated with the extending opening 102 is further provided at the closed end of the box body 100, a through hole 104 for extending from the unfolding mechanism 330 to the box body 100 is opened at the bottom of the accommodating groove 103, and the through hole 104 is communicated with the extending opening 102.

The holding tank 103 be provided with four and be perpendicular between two adjacent holding tanks 103 and arrange to four holding tanks 103 constitute the cross and arrange, wear to establish hole 104 correspond and be provided with four.

As shown in fig. 11-12, the guide frame 310 is provided with a vertical guide area with a guide direction perpendicular to the large surface of the bottom cover 110, and the vertical guide area is located on the same straight line with the extension opening 102; the guiding frame 310 shown in fig. 11 of this specification is composed of four shells, the four shells are respectively and correspondingly located right below the through hole 104, and the middle portions of the four shells form a vertical guiding area, but the guiding frame 310 may also be of other frame body structures as long as the guiding of the vertical guiding area and the unfolding of the self-unfolding mechanism 330 are not affected.

As shown in fig. 14-15, the self-expanding mechanism 330 includes expanding members arranged in groups along the direction of guidance of the vertical guide section.

The unfolding component comprises a connecting seat a331 and an unfolding component, wherein the connecting seat a331 and the vertical guide area of the guide frame 310 form sliding guide fit, and the connecting seat a331 can move along the guide direction of the vertical guide area.

The unfolding components are positioned right below the through holes 104, and four groups of unfolding components in each group of unfolding components are correspondingly arranged.

The unfolding assembly includes a connecting seat b333 and two support rods, which are respectively a support rod a334 and a support rod b335, wherein the support rod a334 is located on a side of the support rod b335 facing the bottom cover 110.

One end of the support rod a334 is a connecting end, the other end of the support rod a334 is hinged with the connecting seat b333, a hinge shaft formed at the hinged position of the support rod a334 and the connecting seat b333 is a rotating shaft b, and the axial direction of the rotating shaft b is perpendicular to the guiding direction of the vertical guiding area.

One end of the supporting rod b335 is hinged to the connecting seat a331, the other end of the supporting rod b335 is hinged to the connecting seat b333, a hinge shaft formed at the hinge position of the supporting rod b335 and the connecting seat b333 is a rotating shaft c, a hinge shaft formed at the hinge position of the supporting rod b335 and the connecting seat a331 is a rotating shaft d, and the rotating shaft c, the rotating shaft d and the rotating shaft b are parallel to each other.

And a second power connecting piece 336 is arranged between the rotating shaft b and the rotating shaft c, and the second power connecting piece 336 is of a gear set structure with a first transmission ratio.

The connecting end of the support rod a334 in one set of the unfolding components is hinged with the connecting seat a331 in the other adjacent set of the unfolding components, a hinged shaft formed at the hinged position is a rotating shaft e, a first power connecting piece 332 is arranged between the rotating shaft e in one set of the unfolding components and the rotating shaft d in the other adjacent set of the unfolding components, and the first power connecting piece 332 is in a gear set structure with a first transmission ratio.

As shown in fig. 16, the support rod a334 of the expansion member closest to the bottom cover 110 among the plurality of groups of expansion members is connected to the power mechanism 320, specifically:

the end surface of the bottom cover 110 is provided with a bearing seat, the power mechanism 320 comprises an unfolding motor 321 arranged on the bottom cover 110 and a transmission shaft 323 arranged on the bearing seat and rotating around the bearing seat in the axial direction, and the transmission shaft 323 and the vertical guide area of the guide frame 310 are positioned on the same straight line.

A third power transmission member 322 for realizing power transmission between the output end of the unfolding motor 321 and the input end of the transmission shaft 323 is arranged between the output end of the unfolding motor 321 and the input end of the transmission shaft 323, the third power transmission member 322 shown in fig. 16 in the specification is a reduction gear set structure with a transmission ratio greater than one, in addition, any other structure capable of realizing power transmission between the unfolding motor 321 and the transmission shaft 323 can be adopted, in addition, the transmission ratio of the third power transmission member 322 is greater than one, so that the unfolding process of the self-unfolding mechanism 330 can be more stable and smooth.

The connecting ends of the support rods a334 of the unfolding components close to the bottom cover 110 in the plurality of groups of unfolding components are hinged with the bearing seat, the hinged shaft formed at the hinged position is a rotating shaft f, and four rotating shafts f are correspondingly formed.

A power transmission member four 324 is disposed between the four rotation shafts f and the transmission shaft 323, and the power transmission member four 324 is used for receiving the unfolding power generated by the rotation of the transmission shaft 323 and transmitting the unfolding power to the four rotation shafts f.

Specifically, the power transmission member 342 includes a worm gear mounted on the outside of the transmission shaft 323, and a worm wheel mounted on the outside of the rotation shaft f, and the worm wheel is engaged with the worm gear.

The fourth power transmission member 342 can be a worm gear structure, or other power transmission structures, but the fourth power transmission member is a worm gear structure, which has the self-locking property, and when the self-unfolding mechanism 330 is switched to the unfolding state, the rotating shaft f cannot rotate due to the self-locking property of the worm gear, so that the whole self-unfolding mechanism 330 cannot be switched back to the folding state under the action of gravity of the warning mechanism 340.

As shown in fig. 17, the connecting seat a331 of the expanding member farthest from the bottom cover 110 in the plurality of groups of expanding members is connected to the warning mechanism 340, specifically:

the warning mechanism 340 includes a fixing base 341 and a warning board 342.

The large surface of the fixed seat 341 is parallel to the large surface of the bottom cover 110, the fixed seat 341 is located in the protruding opening 102, and the fixed seat 341 is connected to the connection seat a331 of the expanding member far away from the bottom cover 110 among the plurality of groups of expanding members.

The warning board 342 is located in the accommodating groove 103 and four warning boards 342 are correspondingly arranged.

The warning board 342 is hinged to the side of the fixing base 341.

The whole working process of the warning device 300 is embodied as follows: when the box 100 is pulled to a preset place and the supporting device 200 supports the box 100, a worker can continue to transmit signals to the unfolding motor 321 through a mobile phone APP or a controller and other control manners, the unfolding motor 321 operates and drives the supporting rod a334 in the unfolding member closest to the bottom cover 110 to deflect around the rotating shaft f through the power transmission piece three 322, the transmission shaft 323 and the power transmission piece four 324, so that the unfolding member closest to the bottom cover 110 is unfolded, and further the other unfolding members are synchronously unfolded, even if the connecting seat a331 in each group of unfolding members synchronously rises along the guiding direction of the vertical guiding area of the guiding frame 310, until the supporting rods in each group of unfolding members are vertically arranged, the unfolding motor 321 stops operating, at this time, the warning board deflects downwards under the action of self gravity and is vertically arranged, the warning board 342 can be arranged in a warning sentence manner, or in an LED lamp flashing manner or in an arrow guiding manner, and the like, and warning and guiding the passing vehicles and pedestrians.

Compared with the cross folding and unfolding structure in the prior art shown in the attached drawing 18 of the specification, the self-unfolding mechanism 330 adopted by the invention can exert the length advantage of the support rod, in addition, the cross folding and unfolding structure in the prior art can realize the folding or unfolding action only by applying external force on two rods at the same time, and four warning boards need two groups of cross folding and unfolding structures, namely four external forces are simultaneously applied to realize the unfolding of the four warning boards, so that the power structure required for driving the two groups of cross folding and unfolding structures is relatively complex, in addition, the rods in the cross folding and unfolding structure in the prior art can not be unfolded to the vertical arrangement, thereby influencing the sight of passing vehicles and pedestrians and influencing the warning effect.

In a preferred embodiment, the closed end of the box body 100 is provided with a solar panel, the box body 100 is internally provided with a storage battery, and when the warning device is placed at a construction intersection for warning, the solar panel converts solar energy into electric energy and stores the electric energy in the storage battery to provide power for the LED lamp.

In the preferred embodiment, when the self-expanding mechanism 330 is in the folded state, the warning board 342 is located in the accommodating groove 103, and at this time, the side of the warning board 342 facing the bottom cover 110 is provided with a magnet, the supporting rod of the self-expanding mechanism 330 is externally coated with a magnetic layer or is supported by iron, so that, when the self-unfolding mechanism 330 is in the folded state, the warning board 342 is stably positioned in the accommodating groove 103 by the magnetic attraction between the magnet and the supporting rod, and is not influenced by the case 100 being erected and dragged, when the self-unfolding mechanism 330 is in the unfolded state, the warning board 342 is kept still by the magnetic attraction between the magnet and the support rod, and will not be affected by the bad weather, for example, the excessive wind blows the warning board 342, so that the warning board 342 continuously turns over, which affects the observation of the warning board 342 by the passing vehicle drivers or pedestrians, and affects the warning effect of the warning board 342.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.