阅读说明：本技术 一种便携式可拆卸公路施工警示装置 (Portable highway construction warning device of dismantling ) 是由 王文帝 王正前 李远洋 田磊 张昭 王倩 孙昂 孙飞 徐光林 程传玉 鲍正阳 于 2021-08-19 设计创作，主要内容包括：本申请涉及公路施工辅助设备的领域,尤其是涉及一种便携式可拆卸公路施工警示装置,其包括底座、沿竖直方向连接于所述底座的支撑柱、可拆卸连接于所述支撑柱顶端的警示牌、设置于所述底座且绕所述支撑柱周向排布的若干固定组件,所述固定组件包括与所述底座之间呈固定连接且沿竖直方向设置的固定套筒、螺纹连接于所述固定套筒内的固定螺钉、连接于所述固定螺钉且用于控制固定螺钉转动的控制机构,所述底座上设有用于同时驱动若干控制机构的驱动机构。本申请具有提升警示装置稳定性的效果。(The utility model belongs to the technical field of highway construction auxiliary assembly and specifically relates to a portable highway construction warning device that can dismantle is related to, it include the base, along vertical direction connect in the support column of base, can dismantle connect in the warning sign on support column top, set up in the base just winds a plurality of fixed subassemblies that support column circumference was arranged, fixed subassembly include with be fixed connection between the base and follow the fixed sleeve, the threaded connection that vertical direction set up in fixed sleeve, connect in fixed screw just is used for controlling fixed screw pivoted control mechanism, be equipped with the actuating mechanism who is used for driving a plurality of control mechanism simultaneously on the base. This application has the effect that promotes warning device stability.)

1. The utility model provides a portable highway construction warning device of dismantling which characterized in that: including base (1), along vertical direction connect in support column (2) of base (1), can dismantle connect in warning sign (3) on support column (2) top, set up in base (1) and wind a plurality of fixed subassembly (4) that support column (2) circumference was arranged, fixed subassembly (4) include with be fixed connection between base (1) and along fixed sleeve (9), the threaded connection that vertical direction set up in fixed sleeve (9) set screw (10), connect in set screw (10) just are used for controlling set screw (10) pivoted control mechanism (11), be equipped with actuating mechanism (20) that are used for driving a plurality of control mechanism (11) simultaneously on base (1).

2. The portable detachable road construction warning device according to claim 1, wherein: the base (1) comprises a hollow setting chassis (6), an extension rod (7) which is arranged in the horizontal direction and is fixedly connected with the fixed sleeve (9) and the base (1), the extension rod (7) is arranged in the hollow setting and is communicated with the chassis (6), the control mechanism (11) comprises a driving sprocket (12) which is rotatably connected with the chassis (6), an installation ring groove (13) which is arranged on the inner wall of the fixed sleeve (9), a driving ring (14) which is rotatably connected with the installation ring groove (13) and is slidably connected with the fixed screw (10), a first circumferential limiting part (15) which is arranged between the inner wall of the driving ring (14) and the fixed screw (10), a driven sprocket (16) which is fixedly connected with the outer wall of the driving ring (14), and a driving chain (17) which is sleeved on the outer side of the driving sprocket (12) and the driven sprocket (16), the driving mechanism (20) is used for controlling the plurality of driving chain wheels (12) to synchronously rotate.

3. The portable detachable road construction warning device according to claim 2, wherein: the first circumferential limiting piece (15) comprises a first limiting groove (18) which is arranged on the circumferential wall of the fixing screw (10) and extends along the length direction of the fixing screw, and a first limiting piece (19) which is fixedly connected to the inner wall of the driving ring (14) and is connected to the first limiting groove (18) in a sliding mode.

4. The portable detachable road construction warning device according to claim 2, wherein: the base (1) further comprises a supporting sleeve (8) which is fixedly connected to the top of the chassis (6) in the vertical direction and communicated with the inside of the chassis (6), the supporting column (2) is inserted into the supporting sleeve (8) in a sliding manner, the driving mechanism (20) comprises a rotating ring groove (21) which is formed in the inner wall of the supporting sleeve (8) and communicated with the top surface of the inner wall of the chassis (6), a rotating ring (22) which is connected into the rotating ring groove (21) in a rotating manner, a driving gear (23) which is coaxially and fixedly connected to the outer wall of the rotating ring (22), driven gears (24) which are coaxially and fixedly connected to the driving sprocket (12) in a one-to-one correspondence manner, a driving groove (25) which is formed in the peripheral wall of the supporting column (2) and spirally extends around the driving groove, and a driving block (26) which is arranged on the inner wall of the rotating ring (22), wherein the driven gears (24) are all meshed with the driving gear (23), the supporting column (2) is inserted into the rotating ring (22) in a sliding mode, and the driving block (26) extends into the driving groove (25).

5. The portable detachable road construction warning device according to claim 4, wherein: the inner wall of the rotating ring (22) is provided with a semi-sphere groove (27), the driving block (26) is spherical and is in ball joint in the semi-sphere groove (27), and one side of the driving block (26) extends out of the semi-sphere groove (27).

6. The portable detachable road construction warning device according to claim 4, wherein: the driving mechanism (20) further comprises a threaded sleeve (28) rotatably connected to the top end of the supporting sleeve (8), an axial limiting piece (29) connected between the supporting sleeve (8) and the threaded sleeve (28), and a second circumferential limiting piece (30) arranged between the supporting column (2) and the supporting sleeve (8), wherein the threaded sleeve (28) is in threaded connection with the upper half part of the supporting column (2).

7. The portable detachable road construction warning device according to claim 6, wherein: axial locating part (29) is including seting up in supporting sleeve (8) top end face and around its circumference extension spacing ring groove (33), fixed connection in thread bush (28) bottom terminal surface and rotate connect in go-between (34) in spacing ring groove (33), spacing ring groove (33) cross-section with go-between (34) cross-section all is the T type.

8. The portable detachable road construction warning device according to claim 6, wherein: the second circumferential limiting piece (30) comprises a second limiting groove (35) which is arranged on the circumferential wall of the supporting column (2) and extends along the length direction of the supporting column, and a second limiting piece (36) which is fixedly connected to the inner wall of the supporting sleeve (8) and is connected to the second limiting groove (35) in a sliding mode.

9. The portable detachable road construction warning device according to claim 6, wherein: the outer wall of the threaded sleeve (28) is provided with an inserting groove (31) extending along the radial direction of the threaded sleeve, and the inserting groove (31) is inserted with a force applying rod (32) in a sliding manner.

10. The portable detachable road construction warning device according to claim 1, wherein: threaded hole (5) are seted up to warning sign (3) bottom, support column (2) top threaded connection in threaded hole (5).

Technical Field

The application relates to the field of highway construction auxiliary assembly, especially, relate to a portable highway construction warning device of dismantling.

Background

Along with the increase of the traffic flow of the highway, a plurality of roads are rebuilt, in the construction process of the highway, in order to take the safety of driving, a warning device needs to be placed as warning reminding, the warning device is used for peripheral protection reminding on a road construction site, and the warning device can be placed in a required place to lead traffic at any time so as to prevent the occurrence of an accidental collision event and reduce loss.

Through the retrieval, chinese patent that application number is CN201922200878.0 discloses a sign detachable highway construction warning device, and it includes guard box and support, the guard box is the cavity box, guard box bottom surface both sides all are fixed with along vertical being vertical the support, there is the apron that can the switching at the guard box back through hinge fixed mounting, a plurality of slots have been seted up in the guard box in front, slot department can dismantle and be fixed with warning sign subassembly, and it is a plurality of in addition warning sign subassembly place in the guard box.

Aiming at the related technologies, the inventor thinks that the support is only suitable for fixing a flat and hard supporting surface, but the supporting surface and the external environment are not fixed in many times, particularly the soft supporting surface in the weather of wind and rain, the support is very insecure in fixation, the wind blows easily, the side turns over easily and is fussy, the danger is very high, the warning effect cannot be achieved after the side turns over, and the stability is poor.

Disclosure of Invention

In order to promote warning device's stability, this application provides a highway construction warning device can be dismantled in portable.

The application provides a pair of portable highway construction warning device of dismantling adopts following technical scheme:

the utility model provides a portable highway construction warning device of dismantling, include the base, along vertical direction connect in the support column of base, can dismantle connect in the warning sign on support column top, set up in the base and wind a plurality of fixed subassemblies that support column circumference was arranged, fixed subassembly include with be fixed connection between the base and follow fixed sleeve, the threaded connection that vertical direction set up in fixed sleeve, connect in fixed screw just is used for controlling fixed screw pivoted control mechanism, be equipped with the actuating mechanism who is used for driving a plurality of control mechanism simultaneously on the base.

Through adopting above-mentioned technical scheme, under support column, a plurality of fixed subassemblies and actuating mechanism's cooperation, when needs are installed warning device, actuating mechanism drives the control mechanism among a plurality of fixed subassemblies simultaneously and operates for control mechanism control set screw rotates, and its most advanced ground of attacking of screw in the rotation process under a plurality of set screw's cooperation, makes the base firm connection subaerial, is difficult for receiving external force influence and takes place to turn on one's side.

Preferably, the base including be the chassis that cavity set up, along horizontal direction fixed connection in fixed sleeve with extension rod between the base, the extension rod be cavity setting and communicate in the chassis, control mechanism including rotate connect in drive sprocket in the chassis, set up in the installation annular of fixed sleeve inner wall, rotate connect in the installation annular and sliding connection in set screw's drive ring, set up in the drive ring inner wall with first week locating part, fixed connection between the set screw in the driven sprocket of drive ring outer wall, cover are located drive sprocket with the driving chain in the driven sprocket outside, actuating mechanism is used for controlling a plurality of drive sprocket and carries out synchronous rotation.

Through adopting above-mentioned technical scheme, at drive sprocket, the drive ring, first circumference locating part, under the cooperation of driven sprocket and driving chain, when actuating mechanism made drive sprocket rotate, drive sprocket drives driven sprocket through the driving chain and rotates, thereby make the drive ring drive set screw through first circumference locating part and rotate, make the set screw of threaded connection in the fixed sleeve remove along vertical direction when rotating, and introduce the chassis with set screw's control end through chain drive in, change in concentrating and control, under the cooperation of chassis and extension rod, make inside external dust is difficult for getting into chassis or extension rod, cause the pollution to the inner structure.

Preferably, the first circumferential limiting member includes a first limiting groove provided in the circumferential wall of the fixing screw and extending along the length direction thereof, and a first limiting block fixedly connected to the inner wall of the driving ring and slidably connected to the first limiting groove.

Through adopting above-mentioned technical scheme, under the cooperation of first spacing groove and first stopper to carry out ascending spacing to drive ring and clamping screw, and can make clamping screw move along the drive ring axial.

Preferably, the base still include along vertical direction fixed connection in the chassis top and communicate in the inside support sleeve in chassis, the support column slides peg graft in the support sleeve, actuating mechanism including set up in support sleeve inner wall and communicate in the rotation annular of chassis inner wall top surface, rotate connect in swivel becket, coaxial fixed connection in the swivel becket inner wall's driving gear, the coaxial fixed connection of one-to-one in driving sprocket's driven gear, set up in support column perisporium just is the drive disk of heliciform extension around it, set up in the drive block of swivel becket inner wall, driven gear all meshes in the driving gear, the support column slides peg graft in the swivel becket, the drive block stretches into in the drive disk.

Through adopting above-mentioned technical scheme, under the cooperation of rotating ring, driving gear, driven gear, drive groove and drive block, when needs are fixed the base, through removing the support column along vertical direction, make the drive inslot wall exert circumferential direction's power to the drive block, thereby make the rotating ring drive the driving gear and rotate, and make a plurality of driven gear that mesh simultaneously in the driving gear rotate, drive a plurality of set screws promptly and rotate and attack ground, convenient operation, and structural stability is higher.

Preferably, the inner wall of the rotating ring is provided with a semi-sphere passing groove, the driving block is spherical and is in ball joint in the semi-sphere passing groove, and one side of the driving block extends out of the semi-sphere passing groove.

Through adopting above-mentioned technical scheme, set up the drive block into globular to make the drive block ball-joint in the hemisphere inslot, when drive inslot wall produced pressure to the drive block and carried out relative movement, roll through the drive block converts sliding friction into rolling friction, thereby reduces the mechanical energy loss that actuating mechanism produced at the operation in-process, makes the staff more laborsaving.

Preferably, the driving mechanism further includes a threaded sleeve rotatably connected to the top end of the supporting sleeve, an axial limiting member connected between the supporting sleeve and the threaded sleeve, and a second circumferential limiting member disposed between the supporting column and the supporting sleeve, and the threaded sleeve is threadedly connected to the upper half portion of the supporting column.

Through adopting above-mentioned technical scheme, at the thread bush, the supporting sleeve, the axial locating part, under the cooperation of second circumferential locating part, carry out ascending connection of axial between to thread bush and the supporting sleeve through the axial locating part, when the staff rotated the thread bush, make threaded connection in the thread bush under the cooperation of second circumferential locating part, and take place ascending relative rotation in week between the thread bush, thereby make the support column move along vertical direction, in order to drive the rotating ring and rotate, when making the staff to the support column application of force, it is more laborsaving, and through the auto-lock nature of screw thread, make the support column can be stable after adjusting to arbitrary position and support the relative distance between the sleeve.

Preferably, the axial locating part is including seting up in support sleeve top terminal surface and around its circumference extension spacing annular, fixed connection in thread bush bottom terminal surface and rotate connect in go-between in the spacing annular, spacing annular cross-section with the go-between cross-section all is the T type.

Through adopting above-mentioned technical scheme, under the cooperation of spacing annular and go-between to carry out ascending spacing in the axial between to thread bush and the support sleeve, and can make and rotate between the relative support sleeve of thread bush.

Preferably, the second circumferential limiting member includes a second limiting groove provided in the circumferential wall of the supporting column and extending along the length direction thereof, and a second limiting block fixedly connected to the inner wall of the supporting sleeve and slidably connected to the second limiting groove.

Through adopting above-mentioned technical scheme, under the cooperation of second spacing groove and second stopper to carry out ascending spacing in week between to support sleeve and the support column, and make the support column can carry out ascending removal in the axial relatively support sleeve.

Preferably, the outer wall of the threaded sleeve is provided with an inserting groove extending along the radial direction of the threaded sleeve, and the inserting groove is internally inserted with a force applying rod in a sliding manner.

Through adopting above-mentioned technical scheme, through setting up the application of force pole to the staff rotates the thread bush through the application of force pole, increases the arm of force length of application of force, thereby makes the staff more laborsaving when removing the support column, and is adjusting the completion back, is convenient for take out the application of force pole, reduces the thread bush and receives external force influence and take place the pivoted condition.

Preferably, the bottom of the warning board is provided with a threaded hole, and the top of the support column is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, under the cooperation of support column and screw hole to the staff dismantles the warning sign, is convenient for transport, and changes the warning sign.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the warning device needs to be installed, the driving mechanism drives the control mechanisms in the plurality of fixing assemblies to operate simultaneously, so that the control mechanisms control the fixing screws to rotate, and the base is stably connected to the ground under the cooperation of the plurality of fixing screws and is not easy to roll over due to the influence of external force;

2. when the base needs to be fixed, the supporting columns are moved in the vertical direction, so that the inner wall of the driving groove applies circumferential rotating force to the driving block, the rotating ring drives the driving gear to rotate, a plurality of driven gears meshed with the driving gear simultaneously drive the driving sprocket to rotate, the driving sprocket drives the driven sprocket to rotate through the transmission chain, the driving ring drives the fixing screws to rotate through the first circumferential limiting piece, the fixing screws in the fixing sleeves in threaded connection move in the vertical direction during rotation, the end parts of the fixing screws are attacked into the ground to be fixed, and the movement in the vertical direction of the supporting columns is converted into synchronous rotation and linear movement of the fixing screws, so that the operation is convenient, and the height of the warning board can be adjusted simultaneously;

3. under the coordination of the threaded sleeve, the supporting sleeve, the axial limiting piece and the second circumferential limiting piece, when a worker rotates the threaded sleeve, the supporting column in threaded connection with the threaded sleeve is in circumferential relative rotation with the threaded sleeve under the coordination of the second circumferential limiting piece, so that the supporting column moves in the vertical direction to drive the rotating ring to rotate, and the worker can apply force to the supporting column more conveniently;

4. under the cooperation of support column and screw hole to the staff dismantles the warning sign, is convenient for transport, and changes the warning sign.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an overall sectional view of the present embodiment.

Fig. 3 is a schematic view of the internal structure of the chassis in this embodiment.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Fig. 5 is a partially enlarged view of a portion B in fig. 2.

Fig. 6 is a partially enlarged view of a portion C in fig. 2.

Description of reference numerals: 1. a base; 2. a support pillar; 3. a warning board; 4. a fixing assembly; 5. a threaded hole; 6. a chassis; 7. an extension rod; 8. a support sleeve; 9. fixing the sleeve; 10. a set screw; 11. a control mechanism; 12. a drive sprocket; 13. mounting a ring groove; 14. a drive ring; 15. a first circumferential limiting member; 16. a driven sprocket; 17. a drive chain; 18. a first limit groove; 19. a first stopper; 20. a drive mechanism; 21. rotating the ring groove; 22. a rotating ring; 23. a driving gear; 24. a driven gear; 25. a drive slot; 26. a drive block; 27. passing through a hemispherical groove; 28. a threaded sleeve; 29. an axial stop; 30. a second circumferential limit; 31. inserting grooves; 32. a force application rod; 33. a limiting ring groove; 34. a connecting ring; 35. a second limit groove; 36. and a second limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses portable highway construction warning device of dismantling. Referring to fig. 1 and 2, a portable highway construction warning device of dismantling includes base 1, along vertical direction connect in base 1's support column 2, connect in the warning sign 3 on support column 2 top, set up in base 1 and around a plurality of fixed subassembly 4 that 2 circumference of support column were arranged, wherein, threaded hole 5 is seted up to 3 bottoms of warning sign, and 2 top threaded connection of support column are in threaded hole 5 to in dismantling, maintaining and changing warning sign 3.

Referring to fig. 1 and 2, base 1 is including being the chassis 6 of cavity setting, along extension rod 7 between fixed sleeve 9 and base 1 of horizontal direction fixed connection, along vertical direction fixed connection in the top of chassis 6 and communicate in the inside support sleeve 8 of chassis 6, and support column 2 slides and pegs graft in support sleeve 8, and extension rod 7 is the cavity setting and communicates in chassis 6.

Referring to fig. 2 and 3, the fixing assembly 4 includes a fixing sleeve 9 fixedly connected to the base 1 and disposed along a vertical direction, a fixing screw 10 threadedly connected to the fixing sleeve 9, and a control mechanism 11 connected to the fixing screw 10 and configured to control the fixing screw 10 to rotate, wherein the bottom of the fixing screw 10 is tapered to facilitate tapping of the fixing screw 10 into the ground.

Referring to fig. 3 and 4, the control mechanism 11 includes a driving sprocket 12 rotatably connected in the chassis 6, a mounting ring groove 13 opened in an inner wall of the fixing sleeve 9, a driving ring 14 rotatably connected in the mounting ring groove 13 and slidably connected to the fixing screw 10, a first circumferential stopper 15 disposed between the inner wall of the driving ring 14 and the fixing screw 10, a driven sprocket 16 fixedly connected to an outer wall of the driving ring 14, and a transmission chain 17 sleeved outside the driving sprocket 12 and the driven sprocket 16, wherein an inner diameter of the driving ring 14 is the same as an inner diameter of the fixing sleeve 9.

Referring to fig. 3 and 4, the first circumferential limiting member 15 includes a first limiting groove 18 disposed on the circumferential wall of the fixing screw 10 and extending along the length direction thereof, and a first limiting block 19 fixedly connected to the inner wall of the driving ring 14 and slidably connected to the first limiting groove 18, wherein a thread groove is disposed on the fixing screw 10, a thread matched with the inner wall of the fixing sleeve 9 is disposed on the inner wall of the fixing sleeve 9, the depth of the first limiting groove 18 is greater than that of the thread groove disposed on the fixing screw 10, and under the cooperation of the first limiting groove 18 and the first limiting block 19, the driving ring 14 and the fixing screw are circumferentially limited, and the fixing screw can move along the axial direction of the driving ring 14.

Further, referring to fig. 3 and 5, a driving mechanism 20 for driving a plurality of control mechanisms 11 simultaneously is disposed on the base 1, the driving mechanism 20 includes a rotating ring groove 21 disposed on the inner wall of the supporting sleeve 8 and communicated with the top surface of the inner wall of the chassis 6, a rotating ring 22 rotatably connected in the rotating ring groove 21, a driving gear 23 coaxially and fixedly connected to the outer wall of the rotating ring 22, driven gears 24 coaxially and fixedly connected to the driving sprocket 12 one by one, a driving groove 25 disposed on the peripheral wall of the supporting column 2 and spirally extending around the peripheral wall, and a driving block 26 disposed on the inner wall of the rotating ring 22, wherein the driven gears 24 are engaged with the driving gear 23, the inner diameter of the rotating ring 22 is equal to the inner diameter of the supporting sleeve 8, the supporting column 2 is slidably inserted into the rotating ring 22, the driving groove 25 is disposed on the lower half of the supporting column 2, the driving block 26 extends into the driving groove 25, and the thread lead angle of the driving groove 25 is greater than the equivalent friction angle between the driving groove 25 and the driving block 26, so that the driving block 26 can rotate the rotating ring 22 through the driving groove 25.

Referring to fig. 3 and 5, in order to reduce the mechanical energy required for driving the rotating ring 22, the inner wall of the rotating ring 22 is provided with a semi-spherical groove 27, the driving block 26 is spherical and is in ball-joint with the semi-spherical groove 27, one side of the driving block 26 extends out of the semi-spherical groove 27, when the inner wall of the driving groove 25 generates pressure to the driving block 26 and moves relatively, sliding friction is converted into rolling friction through rolling of the driving block 26, thereby reducing the mechanical energy loss generated in the operation process of the driving mechanism 20, and enabling the working personnel to save more labor.

Referring to fig. 2 and 6, the driving mechanism 20 further includes a threaded sleeve 28 rotatably connected to the top end of the supporting sleeve 8, an axial limiting member 29 connected between the supporting sleeve 8 and the threaded sleeve 28, and a second circumferential limiting member 30 disposed between the supporting column 2 and the supporting sleeve 8, wherein the threaded sleeve 28 is threadedly connected to the upper half portion of the supporting column 2, the upper half portion of the supporting column 2 is provided with a threaded groove, the threaded sleeve 28 is provided with a thread engaged therewith, and the inner diameter of the threaded sleeve 28 is the same as the inner diameter of the supporting sleeve 8.

Referring to fig. 2 and 6, the threaded sleeve 28 and the support sleeve 8 are axially connected through the axial limiting member 29, when a worker rotates the threaded sleeve 28, the support column 2 screwed in the threaded sleeve 28 is rotated relative to the threaded sleeve 28 in the circumferential direction under the cooperation of the second circumferential limiting member 30, so that the support column 2 moves in the vertical direction to drive the rotation ring 22 to rotate, the worker can apply force to the support column 2 more easily, and the support column 2 can stabilize the relative distance between the support column and the support sleeve 8 after being adjusted to any position through the self-locking property of the threads.

Referring to fig. 1 and 6, for further making the staff laborsaving, the inserting groove 31 along its radial extension is seted up to threaded sleeve 28 outer wall, and it has application of force pole 32 to slide the grafting in inserting groove 31 to increase the arm of force length of application of force, thereby make the staff more laborsaving when removing support column 2, and after the regulation is accomplished, be convenient for take out application of force pole 32, reduce threaded sleeve 28 and receive external force influence and take place the pivoted condition.

Referring to fig. 6, the axial limiting member 29 includes a limiting ring groove 33 provided on the top end surface of the support sleeve 8 and extending circumferentially around the support sleeve, and a connecting ring 34 fixedly connected to the bottom end surface of the threaded sleeve 28 and rotatably connected to the limiting ring groove 33, the cross section of the limiting ring groove 33 and the cross section of the connecting ring 34 are both T-shaped, and under the cooperation of the limiting ring groove 33 and the connecting ring 34, the threaded sleeve 28 and the support sleeve 8 are axially limited, and the threaded sleeve 28 can rotate relative to the support sleeve 8.

Referring to fig. 6, the second circumferential limiting member 30 includes a second limiting groove 35 disposed on the circumferential wall of the support column 2 and extending along the length direction thereof, and a second limiting block 36 fixedly connected to the inner wall of the support sleeve 8 and slidably connected in the second limiting groove 35, wherein the depth of the second limiting groove 35 is greater than the depth of the threaded groove disposed on the support column 2, and under the cooperation of the second limiting groove 35 and the second limiting block 36, the circumferential limiting is performed between the support sleeve 8 and the support column 2, and the support column 2 can move axially relative to the support sleeve 8.

The implementation principle of the portable detachable highway construction warning device in the embodiment of the application is as follows:

when the warning device needs to be installed, a worker rotates the threaded sleeve 28 to enable the support column 2 in threaded connection with the threaded sleeve 28 to rotate relative to the threaded sleeve 28 in the circumferential direction under the cooperation of the second circumferential limiting piece 30, so that the support column 2 moves in the vertical direction, the inner wall of the driving groove 25 applies a circumferential rotating force to the driving block 26, the rotating ring 22 drives the driving gear 23 to rotate, the driven gears 24 meshed with the driving gear 23 simultaneously drive the driving sprocket 12 to rotate, the driving sprocket drives the driven sprocket 16 to rotate through the transmission chain 17, so that the driving ring 14 drives the fixing screw 10 to rotate through the first circumferential limiting piece 15, the fixing screw 10 in threaded connection with the fixing sleeve 9 moves in the vertical direction when rotating, and the end of the fixing screw 10 taps into the ground to fix the ground, under the cooperation of a plurality of fixing screws 10, the base 1 is stably connected to the ground and is not easy to be affected by external force to cause side turning.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.