阅读说明：本技术 一种自动展开应急停车智能位移警示三角架 (Intelligent displacement warning tripod capable of automatically unfolding for emergency parking ) 是由 何德全 于 2021-09-10 设计创作，主要内容包括：本发明涉及一种自动展开应急停车智能位移警示三角架,其包括安装架(200),安装架(200)上设置有移位装置(300)与三角警示装置(400)以及电路板(500),所述的移位装置(300)用于牵引安装架(200)移动,所述的三角警示装置(400)用于对过往车辆进行警示,所述的电路板(500)用于将启动信号传递给移位装置(300)与三角警示装置(400)；用户只需打开手机APP或操控器一键启动,电路板预设的程序即可使三角架自动移动至距离车辆150米处展开,大大提高了用户的安全性,另外,本发明中的移位装置与三角警示装置均可折叠收纳在安装架内部,且折叠收纳以及展开示警的过程全自动化,可以通过4/5G数据网络(即手机APP)实现一键启动,更加智能化。(The invention relates to an intelligent displacement warning tripod for automatic unfolding emergency parking, which comprises a mounting frame (200), wherein a shifting device (300), a triangular warning device (400) and a circuit board (500) are arranged on the mounting frame (200), the shifting device (300) is used for drawing the mounting frame (200) to move, the triangular warning device (400) is used for warning passing vehicles, and the circuit board (500) is used for transmitting a starting signal to the shifting device (300) and the triangular warning device (400); in addition, the shifting device and the triangular warning device can be folded and stored in the mounting frame, the folding storage and the unfolding warning process are fully automatic, and one-key starting can be realized through an 4/5G data network (namely, a mobile phone APP), so that the intelligent warning is realized.)

1. An intelligent displacement warning tripod for automatic unfolding emergency parking is characterized by comprising a mounting rack (200), wherein a displacement device (300), a triangular warning device (400) and a circuit board (500) are arranged on the mounting rack (200);

the shift unit (300) be used for drawing mounting bracket (200) to remove, triangle warning device (400) be used for warning the vehicle of passing by, circuit board (500) be used for transmitting actuating signal for shift unit (300) and triangle warning device (400).

2. The intelligent displacement warning tripod for automatic emergency parking according to claim 1, wherein the triangular warning device (400) comprises a lifting mechanism (410), a tripod (420) and a deployment member (430), the lifting mechanism (410) is used for driving the tripod (420) to ascend above the mounting frame (200), and the deployment member (430) is used for being triggered during the ascending process of the tripod (420) and driving the tripod (420) to be switched from the folded state to the deployed state.

3. The intelligent displacement warning tripod for automatic emergency parking according to claim 2, wherein the lifting mechanism (410) comprises a lifting motor (411), a screw rod (412) and a mounting seat (414), the lifting motor (411) is vertically mounted on the mounting frame (200), the screw rod (412) is vertically movably mounted on the mounting frame (200) and rotates around the self-body axial direction, and two screw rods (412) are provided;

a power connecting piece a (413) for realizing power transmission between the input ends of the two screw rods (412) and the output end of the lifting motor (411) is arranged between the input ends of the two screw rods and the lifting motor;

the mounting base (414) is in threaded connection with the two screw rods (412).

4. The intelligent displacement warning tripod for automatic emergency parking according to claim 3, wherein the tripod (420) is composed of a bottom case (421), a triangular rod a (422) and a triangular rod b (423), the extension direction of the bottom case (421) is parallel to the length extension direction of the mounting frame (200), the bottom case (421) is a hollow shell structure, and the bottom case (421) is mounted on the mounting seat (414);

one end of triangular bar a (422) be link a, the other end is articulated with the one end of drain pan (421), the one end of triangular bar b (423) is link b, the other end is articulated with the other end of drain pan (421), the articulated axle that triangular bar a (422) and drain pan (421) articulated department formed is connecting axle a (424), the articulated axle that triangular bar b (423) and drain pan (421) articulated department formed is connecting axle b (425), connecting axle a (424) and connecting axle b (425) all are on a parallel with the width extending direction of mounting bracket (200).

5. The intelligent displacement warning tripod for automatic emergency parking according to claim 4, wherein the unfolding component (430) is arranged inside the bottom shell (421), and the unfolding component (430) comprises a rotating shaft (421), a connecting rope (432) and a coil spring (433);

the axial direction of the rotating shaft (421) is parallel to the length extending direction of the mounting rack (200), and the rotating shaft (421) is installed in the bottom shell (421) and rotates around the rotating shaft in the axial direction;

power connecting pieces b (434) for realizing power transmission between one end of the rotating shaft (421) and the connecting shaft a (424) and between the other end of the rotating shaft (421) and the connecting shaft b (425) are arranged;

one end of the connecting rope (432) is fixed with the rotating shaft (431), and the other end of the connecting rope (432) is wound on the rotating shaft (431) and then fixed with the mounting rack (200);

the coil spring (433) is arranged between the rotating shaft (431) and the bottom shell (421), and the elastic force of the coil spring (433) is used for driving the rotating shaft (431) to rotate in a resetting manner.

6. The intelligent displacement warning tripod for automatic emergency parking according to any one of claims 1 to 5, wherein a mounting groove (210) is formed on a side surface of the mounting frame (200);

the shifting device (300) comprises shifting mechanisms, and two groups of shifting mechanisms are arranged along the length direction of the mounting rack (200).

7. The intelligent displacement warning tripod for automatic emergency parking according to claim 6, wherein the displacement mechanism comprises a displacement motor (310), a folding member (320) and a roller (330), the roller (330) is mounted on the mounting frame (200) through the folding member (320), and the folding member (320) is used for driving the roller (330) to be folded and hidden in the mounting groove (210) or driving the roller (330) to extend out of the mounting groove (210);

the displacement motor (310) is installed on the mounting frame (200) and the axial direction of the output shaft of the displacement motor (310) is parallel to the length extending direction of the mounting frame (200).

8. The intelligent displacement warning tripod for automatic emergency parking according to claim 7, wherein the folding member (320) comprises a power transmission component (3210) and a driving component (3220), the power transmission component (3210) is configured to receive the displacement power provided by the displacement motor (310) and transmit the displacement power to the driving component (3220), and the driving component (3220) is configured to drive the roller (330) to be folded and hidden in the mounting groove (210) or to protrude from the mounting groove (210).

9. The intelligent displacement warning tripod for automatic emergency parking according to claim 8, wherein the power transmission assembly (3210) comprises a transmission shaft, the axial direction of the transmission shaft is parallel to the axial direction of the output shaft of the shift motor (310), the transmission shaft is movably mounted on the mounting frame (200) and rotates around itself axially, and two groups of transmission shafts are provided, namely a transmission shaft a (3211) and a transmission shaft b (3212);

a power transmission element b (3214) with a transmission ratio of one is arranged between the two groups of transmission shafts for realizing power transmission between the two groups of transmission shafts;

a power transmission piece a (3213) capable of realizing power transmission between the output end of the shift motor (310) and any one transmission shaft is arranged between the output end and the transmission shaft.

10. The intelligent displacement warning tripod for automatic emergency parking according to claim 9, wherein two sets of driving assemblies (3220) are arranged corresponding to the transmission shaft, and the two sets of driving assemblies (3220) are symmetrically arranged;

the driving assembly (3220) comprises a driven rack (3221) and a driving gear (3222), the extending direction of the driven rack (3221) is parallel to the width extending direction of the mounting rack (200), and the driven rack (3221) is mounted on the mounting rack (200) and forms sliding guide fit;

the driving gear (3222) is coaxially sleeved outside the transmission shaft, and the driving gear (3222) is meshed with the driven rack (3221);

the driving assembly (3220) further comprises a driving body (3223), a connecting rod group and a mounting disc (3227), the mounting disc (3227) is of a disc structure with the axial direction parallel to the extending direction of the driven rack (3221), and the mounting disc (3227) is suspended in the mounting groove (210);

one end of the driving body (3223) is hinged to the driven rack (3221), the other end of the driving body is hinged to the connecting convex plate (3226), a hinged shaft is formed at the hinged position of the driving body (3223) and the driven rack (3221), and the hinged shaft formed at the hinged position of the driving body (3223) and the connecting convex plate (3226) is parallel to the transmission shaft;

the connecting rod group consists of a connecting rod a (3224) and a connecting rod b (3225);

one end of the connecting rod a (3224) is hinged to the connecting convex plate (3226), the other end of the connecting rod a (3224) is hinged to the mounting frame (200), a hinge shaft is formed at the hinged position of the connecting rod a (3224) and the connecting convex plate (3226), the hinge shaft formed at the hinged position of the connecting rod a (3224) and the mounting frame (200) is parallel to the transmission shaft, the hinge shaft formed at the hinged position of the connecting rod a (3224) and the connecting convex plate (3226) and the hinge shaft formed at the hinged position of the driving body (3223) and the connecting convex plate (3226) are the same hinge shaft;

one end of the connecting rod b (3225) is hinged with the connecting convex plate (3226), the other end of the connecting rod b (3225) is hinged with the mounting rack (200), and a hinged shaft formed at the hinged position of the connecting rod b (3225) and the connecting convex plate (3226) and a hinged shaft formed at the hinged position of the connecting rod b (3225) and the mounting rack (200) are parallel to the transmission shaft;

the connecting rod a (3224) and the connecting rod b (3225) form a parallelogram structure.

Technical Field

The invention relates to the field of traffic, in particular to the field of traffic warning, and particularly relates to an intelligent displacement warning tripod capable of automatically unfolding emergency parking.

Background

The automobile is one of the main vehicles for people to go on daily, and has great danger, especially when the automobile runs on a highway and accidents such as tire burst, rear-end collision, rollover, collision and the like occur frequently, when the automobile breaks down or has an accident, a driver is required to stop at the side, turn on the double-flash lamp and place a tripod at the position of one hundred fifty meters behind the automobile in time, and transmit a warning signal to a passing vehicle behind to avoid the collision accident, when the existing warning tripod is used, the user is required to carry the tripod to run back and forth at the position of 150 meters behind the automobile due to fast speed and large traffic flow on the highway, the mode of retracting the tripod has great danger to the automobile, once the collision accident occurs, the consequence is not obvious, and a remote control automobile tripod is disclosed in patent No. 201620266942.9, it transports the tripod to a suitable distance by operating the remote control car, but there are several problems: 1. the remote control car is too large in size and occupies a large trunk space; 2. the user can transport the tripod to a proper distance only by operating the remote control car, but when the car has a problem at a high speed, the mood of some users is very nervous, the remote control car is difficult to be accurately operated, even if the remote control car can be operated, the distance between the remote control car and the car can be only judged by observing with naked eyes, and the user is easy to judge by mistake under the condition of emotional tension, and in addition, the operation time is overlong, so the warning significance for placing the tripod is lost, therefore, the invention provides the intelligent displacement warning tripod for the automatic unfolding emergency parking, when the car has a fault, the user takes out the intelligent displacement warning tripod to be placed at the tail of the car, then, the user only needs to open a mobile phone APP or a controller to start by one key, a signal is transmitted to a circuit board, a program preset by the circuit board can enable the tripod to automatically move to a position 150 meters away from the tail of the car and unfold, and the safety of the user is greatly improved, in addition, the shifting device and the triangular warning device can be folded and stored in the mounting frame, so that the size is reduced, the vehicle trunk is convenient to place in the vehicle trunk, the folding, storing and unfolding warning processes are fully automatic, one-key starting can be realized through an 4/5G data network (namely a mobile phone APP), and the vehicle trunk is more intelligent.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an intelligent displacement warning tripod capable of automatically unfolding for emergency parking.

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

An intelligent displacement warning tripod for automatic unfolding emergency parking comprises a mounting frame, wherein a displacement device, a triangular warning device and a circuit board are arranged on the mounting frame;

the shift unit be used for drawing the mounting bracket and remove, triangle warning device be used for warning passing vehicle, the circuit board be used for transmitting actuating signal for shift unit and triangle warning device.

Furthermore, triangle warning device include elevating system, tripod, expand the component, elevating system is used for driving the tripod and rises to being located the top of mounting bracket, expands the component and is used for being triggered and driving the tripod and switch into the state of expanding by fold condition at the ascending process of tripod.

Furthermore, the lifting mechanism comprises a lifting motor, a screw rod and a mounting base, the lifting motor is vertically arranged on the mounting frame, the screw rod is vertically and movably arranged on the mounting frame and rotates around the screw rod in the axial direction, and the number of the screw rods is two;

a power connecting piece a for realizing power transmission between the input ends of the two screw rods and the output end of the lifting motor is arranged between the input ends of the two screw rods and the output end of the lifting motor;

the mounting seat is in threaded connection with the two screw rods.

Furthermore, the tripod consists of a bottom shell, a triangular rod a and a triangular rod b, the extending direction of the bottom shell is parallel to the length extending direction of the mounting frame, the bottom shell is of a hollow shell structure, and the bottom shell is mounted on the mounting seat;

the one end of triangle-shaped pole an be the one end of link an, the other end and drain pan articulated, the one end of triangle-shaped pole b is that the other end of link b, the other end and drain pan are articulated, the articulated shaft that triangle-shaped pole an and drain pan articulated department formed is connecting axle an, the articulated shaft that triangle-shaped pole b and drain pan articulated department formed is connecting axle b, connecting axle an and connecting axle b all are on a parallel with the width extending direction of mounting bracket.

Furthermore, the unfolding component is arranged inside the bottom shell and comprises a rotating shaft, a connecting rope and a coil spring;

the axial direction of the rotating shaft is parallel to the length extending direction of the mounting rack, and the rotating shaft is arranged in the bottom shell and rotates around the rotating shaft in the axial direction;

power connecting pieces b for realizing power transmission between the other end of the rotating shaft and the connecting shaft b are arranged between one end of the rotating shaft and the connecting shaft a and between the other end of the rotating shaft and the connecting shaft b;

one end of the connecting rope is fixed with the rotating shaft, and the other end of the connecting rope is wound on the rotating shaft and then fixed with the mounting rack;

the coil spring is arranged between the rotating shaft and the bottom shell, and the elasticity of the coil spring is used for driving the rotating shaft to rotate in a resetting mode.

Furthermore, a mounting groove is formed in the side surface of the mounting rack;

the shifting device comprises shifting mechanisms, and two groups of shifting mechanisms are arranged along the length direction of the mounting rack.

Furthermore, the shifting mechanism comprises a shifting motor, a folding member and a roller, the roller is mounted on the mounting frame through the folding member, and the folding member is used for driving the roller to be folded and hidden in the mounting groove or enabling the roller to extend out of the mounting groove;

the displacement motor is arranged on the mounting frame, and the axial direction of an output shaft of the displacement motor is parallel to the length extending direction of the mounting frame.

Furthermore, the folding component comprises a power transmission component and a driving component, the power transmission component is used for receiving displacement power provided by the displacement motor and transmitting the displacement power to the driving component, and the driving component is used for driving the roller to be folded and hidden in the mounting groove or extend out of the mounting groove.

Furthermore, the power transmission assembly comprises a transmission shaft, the axial direction of the transmission shaft is parallel to the axial direction of an output shaft of the displacement motor, the transmission shaft is movably arranged on the mounting frame and rotates around the axial direction of the transmission shaft, and the transmission shaft is provided with two groups of transmission shafts a and b;

a power transmission piece b which is used for realizing power transmission between the two groups of transmission shafts and has a transmission ratio of one is arranged between the two groups of transmission shafts;

and a power transmission piece a capable of realizing power transmission between the output end of the displacement motor and any one transmission shaft is arranged between the output end of the displacement motor and the transmission shaft.

Furthermore, two groups of driving assemblies are arranged corresponding to the transmission shaft and are symmetrically arranged;

the driving assembly comprises a driven rack and a driving gear, the extending direction of the driven rack is parallel to the width extending direction of the mounting frame, and the driven rack is mounted on the mounting frame and forms sliding guide fit;

the driving gear is coaxially sleeved outside the transmission shaft and is meshed and connected with the driven rack;

the driving assembly further comprises a driving body, a connecting rod group and a mounting disc, the mounting disc is of a disc structure, the axial direction of the disc structure is parallel to the extending direction of the driven rack, and the mounting disc is positioned in the mounting groove in a suspending manner;

one end of the driving body is hinged with the driven rack, the other end of the driving body is hinged with the connecting convex plate, a hinged shaft is formed at the hinged position of the driving body and the driven rack, and the hinged shaft formed at the hinged position of the driving body and the connecting convex plate is parallel to the transmission shaft;

the connecting rod group consists of a connecting rod a and a connecting rod b;

one end of the connecting rod a is hinged with the connecting convex plate, the other end of the connecting rod a is hinged with the mounting frame, a hinged shaft is formed at the hinged position of the connecting rod a and the connecting convex plate, the hinged shaft formed at the hinged position of the connecting rod a and the mounting frame is parallel to the transmission shaft, and the hinged shaft formed at the hinged position of the connecting rod a and the connecting convex plate and the hinged shaft formed at the hinged position of the driving body and the connecting convex plate are the same hinged shaft;

one end of the connecting rod b is hinged with the connecting convex plate, the other end of the connecting rod b is hinged with the mounting frame, and a hinged shaft formed at the hinged position of the connecting rod b and the connecting convex plate and a hinged shaft formed at the hinged position of the connecting rod b and the mounting frame are parallel to the transmission shaft;

the connecting rod a and the connecting rod b form a parallelogram structure.

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

when a vehicle breaks down, a user takes out the invention and places the invention at the tail of the vehicle, then the user leaves the vehicle and is in a safety zone, the user transmits a signal to a circuit board through a mobile phone APP or a controller, a preset program of the circuit board is started, firstly, the shifting device is moved to 150 meters and stops moving forward and transversely moves for ninety degrees, then, the triangular warning device runs to enable the triangular support to be unfolded and to be in a triangular structure to warn the passing vehicle, in the whole process, the user stands in the safety zone to remotely control the invention, the control is simpler, only the mobile phone APP or the controller needs to be started by opening a key to transmit the signal to the circuit board, the preset program of the circuit board can enable the triangular support to automatically move to a position 150 meters away from the tail of the vehicle and be unfolded, the safety of the user is greatly improved, in addition, compared with the prior art, the user can not prepare for judging the distance by manually placing the triangular support, the invention is controlled by a preset program, so that the distance between the final position of the tripod and the tail of the vehicle is about 150 meters, larger errors can not occur, and the safety is greatly improved.

In addition, the shifting device and the triangular warning device can be folded and stored in the mounting frame, so that the size is reduced, the vehicle trunk is convenient to place in the vehicle trunk, the folding, storing and unfolding warning processes are fully automatic, one-key starting can be realized through an 4/5G data network (namely a mobile phone APP), and the vehicle trunk is more intelligent.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the present invention in a folded state.

Fig. 3 is a schematic structural view of the present invention in an expanded state.

Fig. 4 is a schematic structural view of the displacement device and the triangular warning device in the folded state of the present invention.

Fig. 5 is a schematic structural view of the displacement device and the triangular warning device in the unfolded state of the present invention.

Fig. 6 is a schematic structural view of the displacement mechanism in the folded state of the present invention.

Fig. 7 is a schematic structural view of the displacement mechanism in the folded state of the present invention.

Fig. 8 is a schematic structural view of the displacement mechanism in the expanded state of the present invention.

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

Fig. 10 is a schematic view of the driving assembly in a folded state according to the present invention.

Fig. 11 is a schematic structural view of the driving assembly in the unfolded state of the present invention.

Fig. 12 is a partial structural schematic diagram of the driving assembly of the present invention.

Fig. 13 is a schematic structural view of the triangular warning device in the folded state according to the present invention.

Fig. 14 is a schematic structural view of the triangular warning device in the unfolded state of the present invention.

Fig. 15 is a schematic structural view of the lifting mechanism of the present invention.

Fig. 16 is a structural schematic diagram of the tripod of the present invention.

Fig. 17 is a schematic structural view of the deployment member of the present invention.

The reference numbers in the drawings are:

100. a housing case;

200. a mounting frame; 210. mounting grooves;

300. a displacement device;

310. a displacement motor;

320. a folding member;

3210. a power transfer assembly; 3211. a transmission shaft a; 3212. a transmission shaft b; 3213. a power transmission member a; 3214. a power transmission member b;

3220. a drive assembly; 3221. a driven rack; 3222. a driving gear; 3223. a drive body; 3224. a connecting rod a; 3225. a connecting rod b; 3226. connecting the convex plate; 3227. mounting a disc;

330. a roller;

400. a triangular warning device;

410. a lifting mechanism; 411. a lifting motor; 412. a screw rod; 413. a power connector a; 414. a mounting seat;

420. a tripod; 421. a bottom case; 422. a triangular rod a; 423. a triangular rod b; 424. a connecting shaft a; 425. a connecting shaft b;

430. a deployment member; 431. a rotating shaft; 432. connecting ropes; 433. a coil spring; 434. a power connector b;

500. a circuit 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.

As shown in fig. 1-3, an intelligent displacement warning tripod for automatic unfolding emergency parking includes a mounting frame 200, a mounting groove 210 is disposed on a side surface of the mounting frame 200, and a shifting device 300, a triangular warning device 400 and a circuit board 500 are disposed on the mounting frame 200, wherein the shifting device 300 pulls the mounting frame 200 to shift, and when the shifting device 300 does not operate, a roller 330 is folded and positioned in the mounting groove 210 to be hidden, when the shifting device 300 operates, the roller 330 automatically extends out from the mounting groove 210, the triangular warning device 400 warns a passing vehicle, which is equivalent to a warning function of the tripod itself, when the triangular warning device 400 is not used, the tripod 420 is retracted and hidden in the mounting frame 200, when in use, the tripod 420 automatically ascends and unfolds to form a triangular structure, thereby warning the passing vehicle.

In addition, the operation and control conditions of the shifting device 300 and the triangular warning device 400 in the present invention can be designed as a mobile phone APP program for the user to control, and can also be designed as a controller for the user to control, as long as the remote control can be realized, generally:

when a vehicle breaks down, a user takes out the automobile-mounted automobile, the moving direction of the moving device 300 is consistent with the driving direction of the vehicle, the moving device 300 adopts a roller moving mode, the moving direction is similar to that of the vehicle, the moving direction is easy to distinguish, and the user can easily distinguish even under the nervous mood;

then, the user leaves the vehicle and is in a safe area, the user transmits a signal to the circuit board 500 through the mobile phone APP or the controller, a preset program of the circuit board 500 is started, the shifting device 300 is firstly moved to 150 meters and then stops moving forward and moves transversely for ninety degrees, and then the triangular warning device 400 operates to enable the triangular support 420 to be unfolded and to be in a triangular structure, so that the passing vehicle is warned;

in the whole process, a user stands in a safety area to remotely control the invention, the control is simple, only a mobile phone APP or a controller is needed to be opened, a signal is transmitted to the circuit board 500, and the tripod 420 can be automatically moved to a position 150 meters away from the tail of the vehicle and unfolded by a preset program of the circuit board 500, so that the safety of the user is greatly improved;

in addition, compared with the situation that a user cannot prepare for judging the distance by manually placing the tripod, the distance between the final position of the tripod 420 and the tail of the vehicle is about 150 meters due to the fact that the distance is controlled by the preset program, and large errors cannot occur;

in addition, as a preferred embodiment, the invention further comprises an accommodating shell 100, a GPS is mounted on the accommodating shell 100, when the user uses the invention, the user firstly takes the invention out of the accommodating shell 100 and puts the accommodating shell 100 back to the trunk, so that the distance between the invention and the vehicle can be automatically measured according to the distance between the invention and the GPS, and the displacement of the invention can be closer to 150 meters.

As shown in fig. 5 to 12, the shifting device 300 includes two shifting mechanisms, one corresponding to the front wheels and the other corresponding to the rear wheels, disposed along the length direction of the mounting bracket 200.

The displacement mechanism comprises a displacement motor 310, a folding member 320 and a roller 330, wherein the roller 330 is mounted on the mounting frame 200 through the folding member 320, and the folding member 320 can fold and hide the roller 330 in the mounting slot 210 or extend the roller 330 out of the mounting slot 210.

The displacement motor 310 is installed on the mounting bracket 200 and the output shaft of the displacement motor 310 is axially parallel to the distance direction between the two sets of displacement mechanisms.

As shown in fig. 7 to 12, the folding member 320 includes a power transmission assembly 3210 and a driving assembly 3220, the power transmission assembly 3210 can receive the displacement power provided by the displacement motor 310 and transmit the displacement power to the driving assembly 3220, and the driving assembly 3220 can drive the roller 330 to fold and hide in the mounting slot 210 or extend out of the mounting slot 210.

As shown in fig. 9, the power transmission assembly 3210 includes two transmission shafts, the axial direction of the transmission shaft is parallel to the axial direction of the output shaft of the shift motor 310, the transmission shafts are movably mounted on the mounting frame 200 and can rotate around their own axial direction, and the transmission shafts are respectively a transmission shaft a3211 and a transmission shaft b 3212.

A power transmission piece b3214 which can realize power transmission between the two groups of transmission shafts and has a transmission ratio of one is arranged between the two groups of transmission shafts.

A power transmission member a3213 for transmitting power between the output end of the shift motor 310 and any one of the transmission shafts is provided therebetween.

The power transmission element a3213 and the power transmission element b3214 may be a spur gear set structure as shown in fig. 9, or may be other power transmission structures as long as the requirements are satisfied.

As shown in fig. 7-8, two sets of driving assemblies 3220 are provided corresponding to the transmission shaft, and the two sets of driving assemblies 3220 are symmetrically arranged.

As shown in fig. 10 to 12, the driving assembly 3220 includes a driven rack 3221 and a driving gear 3222, an extending direction of the driven rack 3221 is parallel to the ground and perpendicular to an axial direction of an output shaft of the displacement motor 310, the driven rack 3221 is mounted on the mounting frame 200 and the driven rack 3221 can move along a self extending direction, the driving gear 3222 is coaxially sleeved outside the transmission shaft, the driving gear 3222 is engaged with the driven rack 3221, the transmission shaft rotates to pull the driving gear 3222 to rotate at the same time, and the driving gear 3222 rotates to pull the driven rack 3221 to move along the self extending direction.

The driving assembly 3220 further includes a driving body 3223, a connecting rod set and a mounting disc 3227, wherein the mounting disc 3227 is a disc structure axially parallel to the extending direction of the driven rack 3221, the mounting disc 3227 is suspended in the mounting groove 210, of course, the mounting disc 3227 is disposed to mount the roller 330, the shape of the mounting disc 3227 only needs to be the same as that of the mounting disc 3227, and the side surface of the mounting disc 3227 facing the displacement motor 310 is provided with a connecting convex plate 3226 by taking the mounting disc 3227 as the disc structure in this embodiment.

One end of the driving body 3223 is hinged to the driven rack 3221, and the other end is hinged to the connecting convex plate 3226, wherein a hinge shaft formed by two hinge points is parallel to the transmission shaft.

The connecting rod group is composed of a connecting rod a3224 and a connecting rod b3225, wherein the connecting rod b3225 is located below the connecting rod a 3224.

One end of the connecting rod a3224 is hinged to the connecting convex plate 3226, and the other end is hinged to the mounting bracket 200, wherein a hinge shaft formed by two hinge points is parallel to the transmission shaft, and a hinge shaft formed by the connecting rod a3224 and the connecting convex plate 3226 is the same as a hinge shaft formed by the driving body 3223 and the connecting convex plate 3226.

One end of the connecting rod b3225 is hinged to the connecting convex plate 3226, and the other end is hinged to the mounting frame 200, wherein a hinge shaft formed at two hinge points is parallel to the transmission shaft.

The connecting rods a3224 and the connecting rods b3225 form a parallelogram structure, so that when the driven rack 3221 moves and the driving body 3223 drives the mounting disc 3227 to move, the moving track of the mounting disc 3227 is a parabola with a downward bending direction, namely, when the mounting disc 3227 extends out of the mounting groove 210, the roller 330 mounted on the mounting disc 3227 is in contact with the ground, and in addition, two groups of connecting rods in each group of driving assemblies 3220 are arranged, so that the mounting disc 3227 can be more stably unfolded.

In addition, the roller 330 is driven by a hub motor, but any other power structure that can drive the roller 330 to rotate without affecting the operation of the folding member 320 is also acceptable.

When a vehicle breaks down, a user takes out the vehicle-mounted automatic shifting device and places the vehicle-mounted automatic shifting device at the tail of the vehicle, the moving direction of the shifting device 300 is consistent with the driving direction of the vehicle, even if the axial direction of the roller 330 is parallel to the axial direction of tires of the vehicle, then the user leaves the vehicle and is in a safe area, the user transmits a signal to the circuit board 500 through a mobile phone APP or a controller, and the circuit board 500 drives the shifting device 300 to work according to a preset program, specifically: the shift motor 310 receives a signal and starts to operate, the shift motor 310 operates and drives the two driven racks 3221 in each set of shift mechanism to move away from each other through the power transmission assembly 3210, the driven racks 3221 move and drive the mounting disc 3227 to move through the driving body 3223, and the moving track of the mounting disc 3227 is a parabola with a downward bending direction, namely when the mounting disc 3227 extends out of the mounting groove 210, the roller 330 mounted on the mounting disc 3227 is in contact with the ground, meanwhile, the connecting rod a3224 and the connecting rod b3225 are unfolded to support the mounting seat 3227, then, the wheel hub motors in the roller 330 operate and drive the roller 330 to move, namely, when the invention moves to 150 meters away from the vehicle, the rotating speeds of the four sets of wheel hub motors change, and the invention moves ninety degrees transversely, so that the plane where the triangular frame 420 is located is perpendicular to the driving direction of the vehicle.

In the moving process, the roller 330 is driven by the hub motors, and the four rollers 330 are independent from each other and driven by the respective hub motors, so that the vehicle can be driven at the same speed to move to the position 150 meters behind the vehicle, and the vehicle can also be driven at a different speed to rotate for ninety degrees in transverse movement, and is convenient and fast.

In addition, the roller 330 is retracted when the device is not in operation, and the roller 330 is extended during operation, so that the distance between the two rollers 330 in each group of shifting mechanisms is increased after the roller 330 is extended, and the moving process is more stable and smooth.

As shown in fig. 13-17, the triangular warning device 400 includes a lifting mechanism 410, a tripod 420, and a deployment member 430, wherein the lifting mechanism 410 is operated to lift the tripod 420 above the mounting rack 200, and the deployment member 430 is triggered during the lifting mechanism 410 lifting the tripod 420 and can drive the tripod 420 to switch from a folded state to a deployed state, so as to warn the passing vehicle.

As shown in fig. 15, the lifting mechanism 410 includes a lifting motor 411, a screw 412, and a mounting base 414, wherein the lifting motor 411 is vertically mounted on the mounting base 200 through a motor frame, the screw 412 is vertically movably mounted on the mounting base 200 and only rotates around its own axis, and two screws 412 are provided.

A power connection piece a413 capable of realizing power transmission between the input ends of the two lead screws 412 and the output end of the lifting motor 411 is arranged between the input ends of the two lead screws 412 and the output end of the lifting motor 411, and the power connection piece a413 can be in a belt transmission structure shown in fig. 15 or in other power transmission structures such as a gear set structure.

The mounting seat 414 is threadedly coupled to both of the two lead screws 412, so that when the two lead screws 412 rotate, the mounting seat 414 vertically ascends or descends.

As shown in fig. 16, the triangular frame 420 is composed of a bottom case 421, a triangular rod a422, and a triangular rod b423, wherein the extending direction of the bottom case 421 is parallel to the distance direction between the two sets of displacement mechanisms, the bottom case 421 is a hollow shell structure, and the bottom case 421 is mounted on the mounting seat 414.

One end of the triangular rod a422 is a connecting end a, the other end is hinged with one end of the bottom case 421, one end of the triangular rod b423 is a connecting end b, the other end is hinged with the other end of the bottom case 421, wherein hinged shafts at two hinged points are both parallel to the roller 330, a hinged shaft at the hinged position of the triangular rod a422 and the bottom case 421 is a connecting shaft a424, and a hinged shaft at the hinged position of the triangular rod b423 and the bottom case 421 is a connecting shaft b 425; when the connecting shaft a424 rotates, the triangular rod a422 rotates simultaneously, when the connecting shaft b425 rotates, the triangular rod b423 rotates simultaneously, and when the connecting end a of the triangular rod a422 is overlapped with the connecting end b of the triangular rod b423, the triangular frame 420 is unfolded, and the bottom case 421, the triangular rod a422 and the triangular rod b423 form a triangular structure.

As shown in fig. 16 to 17, the unfolding member 430 is disposed inside the bottom case 421, and the unfolding member 430 includes a rotating shaft 421, a connecting rope 432, and a coil spring 433.

The axial direction of the rotating shaft 421 is parallel to the distance direction between the two sets of shifting mechanisms, and the rotating shaft 421 is installed in the bottom case 421 and can rotate around the self axial direction.

And power connectors b434 capable of realizing power transmission are arranged between one end of the rotating shaft 421 and the connecting shaft a424 and between the other end of the rotating shaft 421 and the connecting shaft b425, and the power connectors b434 may be in a bevel gear set structure shown in fig. 17 or in other power transmission structures.

One end of the connecting rope 432 is fixed with the rotating shaft 431, the other end of the connecting rope 432 is orderly wound on the rotating shaft 431 and then fixed with the mounting rack 200 or the motor rack, and when the lifting mechanism 410 drives the tripod 420 to vertically ascend, the rotating shaft 431 can rotate due to the existence of the connecting rope 432.

In a preferred embodiment, the connection point of the connection rope 432 and the rotation shaft 431 is located at the midpoint of the rotation shaft 431, so that the rotation of the rotation shaft 431 can be more smoothly performed in the process of driving the rotation shaft 431 to rotate through the connection rope 432.

In a preferred embodiment, the connecting rope 432 is preferably a wide strip structure with elasticity as shown in fig. 17, which not only can make the rotation of the rotating shaft 431 more smooth, but also is beneficial to the resetting of the unfolding component 430 in the subsequent process of descending and folding the tripod 420.

The coil spring 433 is disposed between the shaft 431 and the bottom case 421, and the elastic force of the coil spring 433 is used to drive the shaft 431 to rotate in a resetting manner.

In a preferred embodiment, the coil springs 433 are provided with two groups and symmetrically distributed at two sides of the connecting rope 432.

After the shifting device 300 drives the present invention to move 150 meters and move ninety degrees, the triangular warning device 400 starts to operate, specifically: the lifting motor 411 operates and drives the screw rod 412 to rotate through the power connector a413, the screw rod 412 rotates and drives the mounting seat 414 to vertically ascend, the mounting seat 414 vertically ascends and drives the tripod 420 and the unfolding component 430 to simultaneously ascend, in the ascending process, the rotating shaft 431 can be driven to rotate through the connecting rope 432, the rotating shaft 431 rotates and drives the connecting shaft a424 and the connecting shaft b425 to simultaneously rotate through the power connector b434, when the connecting shaft a424 rotates, the triangular rod a422 simultaneously rotates, when the connecting shaft b425 rotates, the triangular rod b423 simultaneously rotates, when the connecting end a of the triangular rod a422 is superposed with the connecting end b of the triangular rod b423, the triangular frame 420 unfolds, the bottom shell 421, the triangular rod a422 and the triangular rod b423 form a triangular structure, at the moment, the lifting motor 411 stops operating, the triangular frame 420 ascends and unfolds, and the passing vehicle is warned.

In a preferred embodiment, a reflective coating may be provided on the side of the tripod 420 facing the vehicle to better alert passing vehicles.

The mounting bracket 200 is further provided with a storage battery for providing power for the lifting motor 411 and the displacement motor 310.

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.