CN217808253U

CN217808253U - Road traffic signboard hoist device

Info

Publication number: CN217808253U
Application number: CN202221820453.5U
Authority: CN
Inventors: 陈锡恩; 陈观治; 陈奕霖
Original assignee: Guangdong Provincial Architectural Engineering Machinery Construction Co Ltd
Current assignee: Guangdong Provincial Architectural Engineering Machinery Construction Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-15
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a road traffic signboard lifting device, which comprises a fixing mechanism, a sliding driving mechanism and a lifting stress mechanism, wherein the fixing mechanism is detachably arranged on a top cross bar of the road traffic signboard, and the direction of the fixing mechanism arranged on the top cross bar of the road traffic signboard is the same as the length direction of the top cross bar of the road traffic signboard; the hoisting stress mechanism is arranged on the fixing mechanism in a sliding mode, and the sliding driving mechanism drives the hoisting stress mechanism to slide on the fixing mechanism. The utility model can improve the installation speed of the road traffic signboard, and avoid the traffic jam caused by occupying the traffic road for a long time; and need not artifical montant that promotes road traffic signboard and adjust, can alleviate constructor's intensity of labour, can also eliminate the potential safety hazard of constructor when being under the traffic signboard construction.

Description

Road traffic signboard hoist device

Technical Field

The utility model relates to a road traffic affiliated facilities construction equipment technical field, concretely relates to road traffic signboard hoist device.

Background

The road traffic sign board is a graphic symbol for displaying traffic laws and regulations and road information, can make the traffic laws and regulations be visually, specifically and concisely expressed, and also expresses the contents which are difficult to be described by characters, and is used for managing traffic and indicating the driving direction to ensure the safe driving of vehicles on the road. Road signs are generally mounted on support posts, which are then fixed to one side of a road to transmit traffic information to a traveling vehicle or pedestrian. When installing road traffic sign tablet, need bury the mount pad underground at appointed installation site, then install the sign tablet on the support column, then use loop wheel machine or other hoisting equipment to hoist the support column and remove to mount pad department, pass through bolt fit connection with support column and mount pad again to fix traffic sign tablet on the road. The bracing piece through connecting rope and traffic sign during loop wheel machine hoist and mount installation traffic sign is connected, and the bracing piece is when removing to mount pad department, and the relative mount pad of bracing piece is easily in the tilt state, and inconvenient installs the bracing piece, and it is now general to adopt the manual work to promote the regulation to the bracing piece, and the operation is arduous and is consumptive manpower, and has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be connected through the bracing piece of connecting rope and traffic sign board when installing traffic sign board to loop wheel machine hoist and mount, the bracing piece is when removing to mount pad department, and the relative mount pad of bracing piece is easily in the tilt state, and inconvenient installs the bracing piece, adopts the manual work to promote the horizontal pole and operates hard and power consumptive force when adjusting to there is the technical problem of potential safety hazard, provides a road traffic sign board hoist device that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a road traffic signboard hoisting device comprises a fixing mechanism, a sliding driving mechanism and a hoisting stress mechanism, wherein the fixing mechanism is detachably mounted on a top cross bar of a road traffic signboard, and the mounting direction of the fixing mechanism on the top cross bar of the road traffic signboard is the same as the length direction of the top cross bar of the road traffic signboard; the hoisting stress mechanism is arranged on the fixing mechanism in a sliding mode, and the sliding driving mechanism drives the hoisting stress mechanism to slide on the fixing mechanism.

Further, the fixing mechanism comprises a sliding groove, the hoisting stress mechanism comprises a sliding block, the sliding block is matched with the groove in the sliding groove, the sliding block is arranged in the sliding groove in a sliding mode, and the sliding driving mechanism drives the sliding block to slide in the sliding groove.

Furthermore, the cross section of the groove in the sliding groove is of a concave structure, the cross section of the sliding block is of a convex structure, the concave structure is matched with the convex structure, and the fixing mechanism is hung on the sliding block.

Furthermore, the sliding driving mechanism comprises a rotating driving component and a screw rod, the rotating driving component is arranged on the fixing mechanism, the screw rod is in threaded connection with the inside of the sliding block, the rotating driving component drives the screw rod to rotate, and the screw rod drives the sliding block to slide in the sliding groove in a rotating mode.

Further, the rotation driving assembly comprises a motor, a worm and a worm wheel, the motor is arranged on the fixing mechanism, the worm wheel is arranged on the screw rod, the worm is in driving connection with the worm wheel, and the motor drives the worm to rotate.

Further, fixed establishment still includes solid fixed ring, gu fixed ring includes ring body and lower ring body, go up the ring body and can dismantle with lower ring body and link together, it hangs at the spout downside to go up the ring body.

Furthermore, one end of the upper ring body is rotatably connected with one end of the lower ring body, and the other end of the upper ring body is connected with the other end of the lower ring body through a bolt.

Furthermore, the fixing mechanism also comprises a U-shaped connecting piece, and the U-shaped connecting piece is fixed on the lower side of the sliding chute; the upper ring body is provided with an axial through groove, the U-shaped connecting piece is installed in the through groove, and the bottom of the U-shaped connecting piece is of a cylindrical structure.

Furthermore, hoist and mount atress mechanism still includes connecting block and go-between, the connecting block is in the same place with slider universal connection, the go-between sets up the one side of keeping away from the slider on the connecting block.

Furthermore, a spherical mounting hole is formed in the connecting block, a spherical mounting head is arranged on the sliding block, the spherical mounting head is matched with the spherical mounting hole, and the spherical mounting head is inserted into the spherical mounting hole.

The utility model discloses the beneficial effect who realizes mainly has following several: the road traffic signboard hoisting device comprises a fixing mechanism, a sliding driving mechanism and a hoisting stress mechanism, wherein the fixing mechanism is detachably mounted on a top cross rod of the road traffic signboard, the hoisting stress mechanism is slidably arranged on the fixing mechanism, and the sliding driving mechanism drives the hoisting stress mechanism to slide on the fixing mechanism, so that when the road traffic signboard is hoisted, the position of the hoisting stress mechanism on the fixing mechanism can be adjusted through the sliding driving mechanism, a vertical rod for supporting the road traffic signboard is in a vertical state and is just aligned with a mounting seat of the road traffic signboard to be mounted, the mounting speed of the road traffic signboard can be improved, and traffic jam caused by long-time occupation of a traffic road can be avoided; and need not artifical montant that promotes road traffic signboard and adjust, can alleviate constructor's intensity of labour, can also eliminate the potential safety hazard of constructor when being under the traffic signboard construction. The direction that fixed establishment installed on the top horizontal pole of road traffic signboard is the same with the length direction of the top horizontal pole of road traffic signboard to make road traffic signboard hoist device's fixed more stable with road traffic signboard's fixed mechanism.

Drawings

Fig. 1 is a schematic structural view of a lifting device for a road traffic signboard in the embodiment of the utility model;

fig. 2 is a schematic structural view of the embodiment of the present invention, wherein the driving assembly, the screw rod and the sliding block of the lifting device for road traffic signs are connected;

fig. 3 is a schematic structural view of a fixing ring of the lifting device for road traffic signs in the embodiment of the present invention;

fig. 4 is a schematic structural view of a connecting block, a connecting ring and a spherical mounting hole of the lifting device for a road traffic signboard in the embodiment of the present invention;

figure 5 is utilized the embodiment of the utility model provides an in the embodiment road traffic signboard hoist device hoist and mount road traffic signboard's structural schematic diagram.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 5, a road traffic signboard lifting device is used for lifting and mounting a road traffic signboard, and can accelerate the mounting speed of the road traffic signboard, thereby reducing the occupied time of traffic roads and avoiding road congestion; meanwhile, the operation is easy, and the labor intensity is low. Road traffic signboard hoist device includes fixed establishment 1, slip actuating mechanism 2 and hoist and mount atress mechanism 3, and fixed establishment 1 is the structure of installing with road traffic signboard 4, fixed establishment 1 demountable installation is on road traffic signboard 4's top horizontal pole 41, when needing hoist and mount installation road traffic signboard 4, fixes through road traffic signboard hoist device's fixed establishment 1 and hoists on road traffic signboard 4's top horizontal pole 41, and the hoist and mount is accomplished the back and pull down fixed establishment 1 from road traffic signboard 4's top horizontal pole 41. The whole fixing mechanism 1 is of a long strip-shaped structure, and the direction of the fixing mechanism 1 mounted on the cross bar at the top of the road traffic signboard is the same as the length direction of the cross bar at the top of the road traffic signboard, so that the fixing mechanism 1 of the road traffic signboard hoisting device is more stable to be fixed with the road traffic signboard 4. When the road traffic signboard 4 is hoisted, the road traffic signboard is hung on the hoisting stress mechanism 3 and is stressed through the hoisting stress mechanism 3. Hoist and mount atress mechanism 3 slides and sets up on fixed

establishment

1, 2 drive hoist and mount atress mechanisms 3 of slide actuating mechanism slide on fixed establishment 1, thereby when road traffic signboard 4 hoists, can adjust the position of hoist and mount atress mechanism 3 on fixed establishment 1 through slide actuating mechanism 2, make the montant 42 that supports road traffic signboard 4 be in vertical state, aim at the mount pad of road traffic signboard just and install, make road traffic signboard installation rate fast, avoid taking the traffic road for a long time and cause the traffic jam, and need not artifical montant that promotes road traffic signboard to adjust, can alleviate constructor's intensity of labour, can also eliminate the potential safety hazard of constructor when being under the traffic signboard construction.

Referring to fig. 1, the sliding connection between the hoisting stress mechanism 3 and the fixing mechanism 1 may adopt the following structure: the fixing mechanism 1 comprises a sliding chute 11, the sliding chute 11 adopts a steel groove structure with a groove opening at one side, a groove is formed in the sliding chute 11, the sliding chute 11 is of a long strip-shaped structure, and the groove in the sliding chute 11 is a long groove. The hoisting stress mechanism 3 comprises a sliding block 31, the sliding block 31 is matched with a groove in the sliding groove 11, namely the shape and the size of the cross section of the sliding block 31 are consistent with those of the cross section of the groove in the sliding groove 11, so that the sliding block 31 can be just slidably mounted in the sliding groove 11, the sliding block 31 can be driven to slide in the sliding groove 11 through the sliding driving mechanism 2, the position of the hoisting stress mechanism 3 on the fixing mechanism 1 is adjusted, and the vertical rod 42 for supporting the road traffic signboard 4 is in a vertical state.

Referring to fig. 1 and 2, the cross section of the groove in the sliding chute 11 is preferably configured to be a "concave" structure, and the cross section of the sliding block 31 is a "convex" structure, and the "concave" structure is matched with the "convex" structure, that is, the shape and size of the "concave" structure are consistent with those of the "convex" structure, so that the sliding block 31 can be just installed in the "concave" structure of the sliding chute 11 through the "convex" structure, and the fixing mechanism 1 is hung on the sliding block 31, so that the connection between the hoisting stress mechanism 3 and the fixing mechanism 1 is more stable.

Referring to fig. 1 and 2, the sliding driving mechanism 2 includes a rotary driving assembly 21 and a screw rod 22, the rotary driving assembly 21 is disposed on the fixing mechanism 1, the screw rod 22 is screwed in the sliding block 31, the rotary driving assembly 21 drives the screw rod 22 to rotate, and the screw rod 22 drives the sliding block 31 to slide in the sliding slot 11 in a rotary manner, so that the sliding block 31 can slide in the sliding slot 11, and the position of the hoisting stress mechanism 3 on the fixing mechanism 1 can be adjusted.

Referring to fig. 1 and 2, the rotation driving assembly 21 may use a driving motor and a gear set to drive the screw 22 to rotate, and in order to facilitate the installation of the rotation driving assembly 21 on the fixing mechanism 1, the rotation driving assembly 21 in this embodiment adopts the following structure: including motor 211, worm 212 and worm wheel 213, motor 211 sets up in fixed establishment 1's spout 11 top, worm wheel 213 sets up on screw rod 22, worm 212 and worm wheel 213 drive are connected, motor 211 drive worm 212 rotates, can drive slider 31 and slide in spout 11 when this motor rotates to adjust hoist and mount atress mechanism 3 position on fixed establishment 1. The rotation driving assembly 21 employs the motor 211, the worm 212 and the worm wheel 213, and the rotation driving assembly 21 can be disposed above the sliding chute 11, so as to avoid occupying positions at two ends of the sliding chute 11.

Referring to fig. 1 to 5, when the road traffic signboard hoisting device of the embodiment is used, the fixing mechanism 1 is manually fixed on the top cross bar 41 of the road traffic signboard 4, then the crane is hung on the hoisting stress mechanism 3, and the road traffic signboard 4 is hoisted to the upper part of the installation seat of the road traffic signboard by the crane; the sliding driving mechanism 2 drives the sliding block 31 to slide in the sliding groove 11, and the position of the hoisting stress mechanism 3 on the fixing mechanism 1 is adjusted, so that the vertical rod 42 supporting the road traffic signboard 4 is in a vertical state; and finally, lowering the crane to lower the road traffic signboard 4 to the mounting seat, manually fixing the vertical rod 42 of the road traffic signboard 4 on the mounting seat, and manually detaching the fixing mechanism 1 from the top cross rod 41 of the road traffic signboard 4, thereby detaching the road traffic signboard hoisting device. Thereby completing the lifting and fixing of the road traffic signboard 4.

Example two

Referring to fig. 1 to 5, the overall structure of the lifting device for a road traffic signboard of the present embodiment is the same as that of the first embodiment, and the structure of the fixing mechanism 1 is improved on the basis of the first embodiment, so as to facilitate installation of the lifting device for a road traffic signboard 4.

Referring to fig. 1 to 3, the fixing mechanism 1 further includes a fixing ring 12, and when the fixing mechanism 1 is installed on the top cross bar 41 of the road traffic signboard 4, the top cross bar 41 is fixed by the fixing ring 12. The fixing ring 12 comprises an upper ring body 121 and a lower ring body 122, and the upper ring body 121 and the lower ring body 122 are detachably connected together, so that the fixing ring 12 is conveniently fixed with the top cross bar 41. The upper ring body 121 is hung on the lower side of the slide groove 11, so that the fixing ring 12 is mounted with the slide groove 11. When the road traffic signboard hoisting device is fixed with the top cross rod 41, the upper ring body 121 and the lower ring body 122 are closed and fixed on the periphery of the top cross rod 41; when the road traffic signboard hanging device is separated from the top cross bar 41, the upper ring body 121 is separated from the lower ring body 122. After the upper ring body 121 and the lower ring body 122 of the fixing ring 12 are closed, the inner diameter is exactly the same as the outer diameter of the top cross bar 41, so that the fixing ring 12 can be stably fixed on the top cross bar 41, and the fixing ring 12 is prevented from sliding on the top cross bar 41. In addition, a non-slip mat is preferably provided on the inside of the securing ring 12 to further prevent the securing ring 12 from slipping on the top rail 41.

Referring to fig. 3, one end of the upper ring body 121 is rotatably connected to one end of the lower ring body 122 through a rotation shaft, and the other end of the upper ring body 121 is connected to the other end of the lower ring body 122 through a bolt, so that the closing and separating operations of one end of the upper ring body 121 and the lower ring body 122 are more convenient.

Referring to fig. 3, the fixing ring 12 is preferably connected to the lower side of the sliding chute 11 in the following manner, and the fixing mechanism 1 further includes a U-shaped connecting member 13, and both sides of the U-shaped connecting member 13 are fixed to the lower side of the sliding chute 11; go up and be provided with axial logical groove 1211 on the ring body 121, U-shaped connecting piece 13 is installed and is being led to the inslot 1211 to U-shaped connecting piece 13 bottom is cylindric structure, thereby solid fixed ring 12 last ring body 121 can swing and hang at spout 11 downside, gu fixed ring 12 can vertically hang at spout 11 downside, when hanging road traffic signboard 4 through road traffic signboard hoist device, adjust the montant 42 of road traffic signboard 4 to vertical state more easily, make things convenient for the installation of road traffic signboard 4 on the mount pad to fix.

Referring to fig. 1 to 5, when the road traffic signboard hoisting device of the embodiment is used, the fixing mechanism 1 is manually fixed on the top cross bar 41 of the road traffic signboard 4, then the crane is hung on the hoisting stress mechanism 3, and the road traffic signboard 4 is hoisted to the upper part of the installation seat of the road traffic signboard by the crane; the sliding driving mechanism 2 drives the sliding block 31 to slide in the sliding groove 11, and the position of the hoisting stress mechanism 3 on the fixing mechanism 1 is adjusted, so that the vertical rod 42 supporting the road traffic signboard 4 is in a vertical state; and finally, lowering the crane to lower the road traffic signboard 4 to the mounting seat, manually fixing the vertical rod 42 of the road traffic signboard 4 on the mounting seat, and manually detaching the fixing mechanism 1 from the top cross rod 41 of the road traffic signboard 4, thereby detaching the road traffic signboard hoisting device. When the fixing mechanism 1 fixes the top cross bar 41, the top cross bar 41 is fixed by the upper ring 121 and the lower ring 122 of the fixing ring 12, and the fixing ring 12 and the road traffic signboard 4 are hung under the chute 11 by the U-shaped connecting member 13.

EXAMPLE III

Referring to fig. 1 to 5, the overall structure of the lifting device for a road traffic signboard of the present embodiment is the same as that of the embodiment, and the structure of the lifting force-bearing mechanism 3 is improved on the basis of the embodiment two.

Referring to fig. 1, 2 and 4, the lifting force-bearing mechanism 3 further comprises a connecting block 32 and a connecting ring 33, the connecting block 32 is connected with the sliding block 31 in a universal manner, so that the sliding block 31 and the fixing mechanism 1 connected to the sliding block 31 can rotate, the road traffic signboard 4 fixed by the fixing mechanism 1 is more easily in a vertical state, and the road traffic signboard 4 is conveniently mounted and fixed on a mounting seat. The connecting ring 33 is arranged on one side of the connecting block 32 far away from the sliding block 31 and used for fixing the lifting rope 5, so that the lifting rope 5 of the crane can be conveniently hung on the road traffic signboard hoisting device. The connecting block 32 with a certain weight is arranged, so that the sliding block 31 and the fixing mechanism 1 connected to the sliding block 31 can be connected together, the road traffic signboard hoisting device is made to have enough weight, and the road traffic signboard hoisting device is taken down from a crane after the use is completed.

Referring to fig. 1, 2 and 4, the universal connection between the connecting block 32 and the sliding block 31 may be as follows: the connecting block 32 is provided with a spherical mounting hole 321, the slider 31 is provided with a spherical mounting head 311, the spherical mounting head 311 is matched with the spherical mounting hole 321, that is, the diameter of the spherical mounting head 311 is the same as that of the spherical mounting hole 321, so that the spherical mounting head 311 can be just inserted into the spherical mounting hole 321.

Referring to fig. 1 to 5, when the road traffic signboard hoisting device of the embodiment is used, the fixing mechanism 1 is manually fixed on the top cross bar 41 of the road traffic signboard 4, then the crane is hung on the hoisting stress mechanism 3, and the road traffic signboard 4 is hoisted to the upper part of the installation seat of the road traffic signboard by the crane; the sliding driving mechanism 2 drives the sliding block 31 to slide in the sliding groove 11, and the position of the hoisting stress mechanism 3 on the fixing mechanism 1 is adjusted, so that the vertical rod 42 supporting the road traffic signboard 4 is in a vertical state; and finally, lowering the crane to lower the road traffic signboard 4 to the mounting seat, manually fixing the vertical rod 42 of the road traffic signboard 4 on the mounting seat, and manually detaching the fixing mechanism 1 from the top cross rod 41 of the road traffic signboard 4, thereby detaching the road traffic signboard hoisting device. When the fixing mechanism 1 fixes the top cross bar 41, the top cross bar 41 is fixed by the upper ring 121 and the lower ring 122 of the fixing ring 12, and the fixing ring 12 and the road traffic signboard 4 are hung on the lower side of the chute 11 by the U-shaped connecting member 13. The hoisting stress mechanism 3 is provided with a connecting block 32 and a connecting ring 33, is connected with the lifting rope 5 of the crane through the connecting ring 33, and is in universal connection with the spherical mounting head 311 on the sliding block 31 through the spherical mounting hole 321 on the lower side of the connecting block 32, so that the road traffic signboard 4 is more easily in a vertical state when the road traffic signboard 4 is hoisted and mounted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a road traffic signboard hoist device which characterized in that: the road traffic signboard fixing device comprises a fixing mechanism (1), a sliding driving mechanism (2) and a hoisting stress mechanism (3), wherein the fixing mechanism (1) is detachably mounted on a top cross bar of a road traffic signboard, and the mounting direction of the fixing mechanism (1) on the top cross bar of the road traffic signboard is the same as the length direction of the top cross bar of the road traffic signboard; the hoisting stress mechanism (3) is arranged on the fixing mechanism (1) in a sliding mode, and the sliding driving mechanism (2) drives the hoisting stress mechanism (3) to slide on the fixing mechanism (1).

2. The road traffic signboard hoisting device of claim 1, wherein: fixing mechanism (1) includes spout (11), hoist and mount atress mechanism (3) includes slider (31), slider (31) and the fluting looks adaptation in spout (11), slider (31) slide to set up in spout (11), slide actuating mechanism (2) drive slider (31) slide in spout (11).

3. The road traffic signboard hoisting device of claim 2, wherein: the cross section of the groove in the sliding groove (11) is of a concave structure, the cross section of the sliding block (31) is of a convex structure, the concave structure is matched with the convex structure, and the fixing mechanism (1) is hung on the sliding block (31).

4. The road traffic signboard hoisting device of claim 3, wherein: the sliding driving mechanism (2) comprises a rotating driving component (21) and a screw rod (22), the rotating driving component (21) is arranged on the fixing mechanism (1), the screw rod (22) is in threaded connection in a sliding block (31), the rotating driving component (21) drives the screw rod (22) to rotate, and the screw rod (22) rotates to drive the sliding block (31) to slide in the sliding groove (11).

5. The road traffic signboard hoisting device of claim 4, wherein: rotate drive assembly (21) and include motor (211), worm (212) and worm wheel (213), motor (211) set up on fixed establishment (1), worm wheel (213) set up on screw rod (22), worm (212) and worm wheel (213) drive are connected, motor (211) drive worm (212) rotate.

6. The road traffic signboard hoisting device according to any one of claims 2 to 5, wherein: fixed establishment (1) still includes solid fixed ring (12), gu fixed ring (12) include ring body (121) and lower ring body (122), go up ring body (121) and link together with can dismantling down ring body (122), go up ring body (121) and hang at spout (11) downside.

7. The road traffic signboard hoisting device of claim 6, wherein: go up ring body (121) one end and lower ring body (122) one end rotatable coupling, go up ring body (121) other end and pass through bolted connection with lower ring body (122) other end.

8. The road traffic signboard hoisting device of claim 7, wherein: the fixing mechanism (1) further comprises a U-shaped connecting piece (13), and the U-shaped connecting piece (13) is fixed on the lower side of the sliding chute (11); an axial through groove (1211) is formed in the upper ring body (121), the U-shaped connecting piece (13) is installed in the through groove (1211), and the bottom of the U-shaped connecting piece (13) is of a cylindrical structure.

9. The road traffic signboard hoisting device of claim 8, wherein: the hoisting stress mechanism (3) further comprises a connecting block (32) and a connecting ring (33), the connecting block (32) is connected with the sliding block (31) in a universal mode, and the connecting ring (33) is arranged on one side, far away from the sliding block (31), of the connecting block (32).

10. The road traffic signboard hoisting device of claim 9, wherein: the connecting block (32) is provided with a spherical mounting hole (321), the sliding block (31) is provided with a spherical mounting head (311), the spherical mounting head (311) is matched with the spherical mounting hole (321), and the spherical mounting head (311) is inserted in the spherical mounting hole (321).