CN116377915A

CN116377915A - Height-adjustable height limiting rod for municipal road

Info

Publication number: CN116377915A
Application number: CN202310565026.XA
Authority: CN
Inventors: 蒙代宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-07-04

Abstract

The invention relates to the technical field of height limiting rods, and provides a height limiting rod for municipal roads, which has better height adjusting range and better practicability on the premise of meeting the requirement of different height limiting environments.

Description

Height-adjustable height limiting rod for municipal road

Technical Field

The invention relates to the technical field of height limiting rods, in particular to a height limiting rod for a municipal road, which can be adjusted in height.

Background

As is well known, a height limiting pole for municipal roads is a device installed on municipal roads for limiting the height of a passable vehicle on the municipal roads, which can prevent the passage of an excessively high vehicle through the height limitation, thereby reducing the influence of the vehicle on the road or road-side building, and on the other hand, can reduce the occurrence of the overload condition of the vehicle to a certain extent, and in order to cope with the passage of a special vehicle exceeding the limit height, a height-adjustable height limiting pole for municipal roads is provided.

Through retrieving, chinese patent application number CN 202020972384.4's patent discloses a town road is with limit for height pole, it roughly describes, including two supporting legs, the top fixed mounting of two supporting legs has same spacing horizontal pole, the supporting leg includes a plurality of hollow tubes, and the top welded connection of hollow tube has first plectane, the bottom welded connection of hollow tube has the second plectane, the top of first plectane is provided with sealed pad, set up eight first through-holes on the second plectane, set up eight second through-holes on the first plectane, set up eight third through-holes on the sealed pad, welded connection has eight screw thread post on the second plectane, and the hexagonal hole has been seted up to the inside of screw thread post, the inside of first through-hole runs through the hex bolts, threaded connection has first sealed lid on the screw thread post, and the outside of screw thread post has cup jointed first sealing washer, the bottom welded connection of first plectane has eight external thread ring, and the inside of external thread ring is provided with hex nut, threaded connection has the second sealed lid cup joints on the outside of external thread ring, it has the second through-hole, it makes when using, it can make each people's the high demand of the support of different height of limit for height pole is showing, the demand is suitable for people.

The technical scheme can be used on municipal roads to achieve the purpose of limiting height through vehicles on municipal roads, meanwhile, supporting legs assembled through a plurality of hollow tubes can be selectively matched according to different limiting heights of different roads to a certain extent, so that limitation of different heights is achieved, a plurality of hollow tubes can form fixed heights after being assembled, the whole structure of the hollow tubes is inevitably required to be disassembled when vehicles with exceeding the limiting heights pass through under special conditions, meanwhile, the length limitation of a single hollow tube is larger for selection of different limiting heights, and the practicability is poor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the height limiting rod for the municipal road is provided with the height which is better in height adjusting range and practicality on the premise of meeting the requirement of limiting environments of different heights, and meanwhile, the height limiting rod is simpler in adjusting operation when vehicles with the height exceeding the limiting conditions pass under special conditions, and the vehicles with the special heights pass more conveniently.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a height-limiting rod for town road with adjustable height, includes a plurality of hollow tubes, still includes mounting bracket and auxiliary frame, a plurality of hollow tube includes a plurality of upper and lower interconnect's left double flange festival pipe and a plurality of upper and lower interconnect's right double flange festival pipe, mounting bracket fixed connection is on the one right double flange festival pipe of the uppermost side in a plurality of right double flange festival pipes, and the mounting bracket internal rotation is connected with rotating frame and lower rotating frame, install adjustable lever drive structure on the upper rotating frame, the drive of adjusting lever drive structure when being used for the rotation adjustment of angle of upper rotating frame for the mounting bracket, it is connected with right alignment jig to go up the rotating frame, right alignment jig is connected with lower rotating frame rotation, and the sliding connection has the bridging pole in the right alignment jig, auxiliary frame internal rotation is connected with the follow-up rotating frame in a plurality of left double flange festival pipe, the follow-up rotating frame rotates and is connected with left alignment jig, left alignment jig with the bridging pole is connected with two auxiliary support structures for the mounting bracket internal rotation, and the auxiliary support structure is used for the limiting support frame respectively.

On the basis of the scheme, the adjustable lever driving structure comprises an external frame, the external frame is fixedly connected with the upper rotating frame, an adjusting cavity is formed in the external frame, a plurality of front limiting grooves are formed in the front inner wall of the adjusting cavity, a plurality of rear limiting grooves are formed in the rear inner wall of the adjusting cavity, the rear limiting grooves are respectively overlapped with the front limiting grooves in front-back mode, a connecting shaft is fixedly connected in the adjusting cavity, a rotating lever is connected to the connecting shaft, a driving lever is connected to the rotating lever in a sliding mode, a front limiting driving rod is fixedly connected to the front end of the driving lever, a plurality of front limiting grooves are matched with the front limiting driving rod, a rear limiting driving rod is fixedly connected to the rear end of the driving lever, and a plurality of rear limiting grooves are matched with the rear limiting driving rod.

On the basis of the scheme, preferably, an outer through hole is formed in the adjusting cavity and used for driving the lever to penetrate through and be accommodated.

On the basis of the scheme, the right end of the driving lever is fixedly connected with a limiting driving sleeve, the limiting driving sleeve and the external frame are fixedly connected with outer limiting plates, the two outer limiting plates are provided with limiting holes, the limiting holes are adjusted to be overlapped front and back, and an external auxiliary pin shaft is used for limiting the front and back overlapped positions of the two limiting holes, so that the stability of the relative position of the driving lever relative to the upper rotating frame can be realized.

On the basis of the scheme, the two adjusting support structures comprise a cross rod and two fixed overhanging frames, the cross rod is respectively and slidably connected in the mounting frame and the auxiliary frame, the front ends of the two cross rods are respectively and fixedly connected with movable overhanging frames, the movable overhanging frames are respectively and internally provided with threaded lifting rods, the fixed overhanging frames are respectively and fixedly connected with the mounting frame and the auxiliary frame, round holes are respectively formed in the two fixed overhanging frames, and the threaded lifting rods are respectively and rotatably connected in the two threaded holes.

On the basis of the scheme, the front end and the rear end of the bridging rod are fixedly connected with connecting laths, an anti-collision guardrail is arranged outside the bridging rod, a lower opening cavity is formed in the anti-collision guardrail, and the two connecting laths are fixedly connected in the lower opening cavity.

As the scheme, the right end of the anti-collision guardrail is provided with an insertion opening groove, and the insertion opening groove is matched with the rotating lever and the driving lever.

As still further in the above scheme, two inclined brackets are respectively arranged on one right double-flange joint pipe at the bottommost side of the right double-flange joint pipes and one left double-flange joint pipe at the bottommost side of the left double-flange joint pipes, and the bottom ends of the two inclined brackets are fixedly connected with auxiliary support pore plates.

As the scheme, a plurality of side reinforcing plates are fixedly connected to the inclined brackets, and the side reinforcing plates are respectively connected with a plurality of auxiliary support hole plates.

As a further proposal of the proposal, the top end of the threaded lifting rod is fixedly connected with a driving column, and the driving column is provided with a plurality of driving holes.

(III) beneficial effects

Compared with the prior art, the height limiting rod for the municipal road has the beneficial effects that:

1. according to the invention, on the premise that different heights limit environment use, a transverse height limiting structure is formed by matching the right adjusting frame, the left adjusting frame and the bridging rod, the installation of the transverse height limiting structure on the right double-flange joint pipe at the uppermost side of the right double-flange joint pipes is realized by matching the mounting frame, the upper rotating frame and the lower rotating frame, and when the structural height of the transverse height limiting structure is finely adjusted, the transverse level of the right adjusting frame, the left adjusting frame and the bridging rod can be ensured at all times, the installation of the left adjusting frame on the left double-flange joint pipe at the uppermost side of the left double-flange joint pipes is formed by matching the auxiliary frame and the follow-up rotating frame, and meanwhile, the follow-up adjustment of the position of the left adjusting frame is conveniently matched with the position adjustment of the right adjusting frame.

2. According to the invention, through the design of the adjusting support structure, the limitation of the relative positions of the lower rotating frame and the mounting frame after the rotation adjustment and the limitation of the relative positions of the follow-up rotating frame and the auxiliary frame after the rotation adjustment can be realized, the adjusting range of the height of the transverse height limiting structure is better, and the practicability is better.

3. According to the invention, through the design of the adjustable lever driving structure, a lever type rotating driving structure of the upper rotating frame relative to the mounting frame is formed, the lifting operation of the whole heights of the mounting frame, the upper rotating frame and the lower rotating frame is convenient, the adjustment operation is simpler when vehicles with more than limited heights pass under special conditions, and the passing of vehicles with special heights is more convenient.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;

FIG. 4 is a schematic perspective view of the upper turret, lower turret, right-hand adjusting frame, etc. of the present invention;

FIG. 5 is a schematic exploded perspective view of the upper turret, lower turret, right-hand adjusting turret, etc. of the present invention;

FIG. 6 is a schematic perspective view of the relative installation of the diagonal brace, auxiliary orifice plate and edge reinforcement plate of the present invention;

FIG. 7 is a schematic perspective view of an auxiliary frame according to the present invention;

FIG. 8 is a schematic perspective view of a mounting bracket according to the present invention;

FIG. 9 is a schematic exploded perspective view of the right and left adjusting brackets of the present invention;

FIG. 10 is a schematic perspective view, partially in section, of the entire present invention;

FIG. 11 is a schematic view of a partially enlarged structure of FIG. 10C according to the present invention;

FIG. 12 is a schematic perspective view of the mating structure of the cross bar, fixed outrigger, movable outrigger, etc. of the present invention;

FIG. 13 is a schematic perspective view showing the connection of the crash barrier and the connecting lath according to the present invention;

fig. 14 is a schematic perspective view of the coupling shaft, the rotating lever, the driving lever, etc. of the present invention.

In the figure: 1. a mounting frame; 2. an auxiliary frame; 3. a left double flange joint pipe; 4. a right double flange joint pipe; 5. an upper rotating frame; 6. a lower rotating frame; 7. a right adjusting frame; 8. a bridging rod; 9. a follow-up rotating frame; 10. a left adjusting frame; 11. an external frame; 12. a regulating chamber; 13. a front limit groove; 14. a rear limit groove; 15. a connecting shaft; 16. rotating the lever; 17. driving the lever; 18. a front limit driving rod; 19. a rear limit driving rod; 20. an outer through hole; 21. a limit driving sleeve; 22. an outer limiting plate; 23. a cross bar; 24. fixing the overhanging frame; 25. a movable outrigger; 26. a threaded lifting rod; 27. connecting the lath; 28. anti-collision guard rail; 29. a lower open cavity; 30. inserting into the open slot; 31. an inclined bracket; 32. an auxiliary supporting pore plate; 33. edge reinforcing plates; 34. and driving the column.

Detailed Description

Examples

Referring to fig. 1-14, a height-adjustable height-limiting pole for municipal roads comprises a plurality of hollow pipes, a mounting rack 1 and an auxiliary rack 2, wherein the hollow pipes comprise a plurality of left double-flange joint pipes 3 which are connected with each other up and down and a plurality of right double-flange joint pipes 4 which are connected with each other up and down, on the premise that the use of different height-limiting environments is ensured by the following of the hollow pipes, two inclined brackets 31 are respectively arranged on one right double-flange joint pipe 4 at the lowest side of the right double-flange joint pipes 4 and one left double-flange joint pipe 3 at the lowest side of the left double-flange joint pipes 3, the bottom ends of the two inclined brackets 31 are fixedly connected with auxiliary support pore plates 32, so that the installation stability of the left double-flange joint pipes 3 relative to the ground and the installation stability of the right double-flange joint pipes 4 relative to the ground are improved, the plurality of inclined brackets 31 are fixedly connected with the edge reinforcing plates 33, the plurality of edge reinforcing plates 33 are respectively connected with the plurality of auxiliary support hole plates 32, the structural strength of the connection between the inclined brackets 31 and the auxiliary support hole plates 32 is improved, the mounting frame 1 is fixedly connected to the uppermost one of the plurality of right double-flange joint pipes 4, the upper rotating frame 5 and the lower rotating frame 6 are rotatably connected to the mounting frame 1, the upper rotating frame 5 and the lower rotating frame 6 are matched, the installation of the transverse height limiting structure on the uppermost one of the plurality of right double-flange joint pipes 4 is realized, and when the transverse height limiting structure is finely adjusted, the transverse level of the right adjusting frame 7, the left adjusting frame 10 and the bridging rod 8 can be ensured all the time, the lever-adjustable driving structure is installed on the upper rotating frame 5, the adjustable lever driving structure is used for driving the upper rotating frame 5 during the rotation adjustment relative to the angle of the mounting frame 1, the adjustable lever driving structure comprises an external frame 11, the external frame 11 is fixedly connected with the upper rotating frame 5, an adjusting cavity 12 is arranged in the external frame 11, a plurality of front limit grooves 13 are arranged on the front wall of the inner side of the adjusting cavity 12, a plurality of rear limit grooves 14 are arranged on the rear wall of the inner side of the adjusting cavity 12, the plurality of rear limit grooves 14 are respectively overlapped with the plurality of front limit grooves 13 in a front-back manner, a connecting shaft 15 is fixedly connected in the adjusting cavity 12, a rotating lever 16 is connected on the connecting shaft 15, a driving lever 17 is connected on the rotating lever 16 in a sliding manner, a front limit driving rod 18 is fixedly connected at the front end of the driving lever 17, a plurality of front limit grooves 13 are matched with the front limit driving rod 18, a rear limit driving rod 19 is fixedly connected at the rear end of the driving lever 17, a plurality of rear limit grooves 14 are matched with the rear limit driving rod 19, through the design of the adjustable lever driving structure, the lever type upper rotating frame 5 is formed relative to the rotating driving structure of the mounting frame 1, the lifting operation of the integral height of the mounting frame 1, the upper rotating frame 5 and the lower rotating frame 6 is convenient, the adjusting operation is simpler when the vehicle with the limited height passes under special conditions, the vehicle with the special height passes more conveniently, the outer through hole 20 is arranged in the adjusting cavity 12, the outer through hole 20 is used for the passing and storage of the driving lever 17, the right end of the driving lever 17 is fixedly connected with the limiting driving sleeve 21, the limiting driving sleeve 21 and the outer limiting plate 11 are fixedly connected with the outer limiting plates 22, the limiting holes are formed on the two outer limiting plates 22, the limiting holes are adjusted to be overlapped front and back through the limiting of the front and back overlapped positions of the two limiting holes are formed by the external auxiliary pin shafts, the stabilization of the relative position of the driving lever 17 with respect to the upper turret 5 can be achieved.

It should be further described that the upper rotating frame 5 is rotatably connected with a right adjusting frame 7, the right adjusting frame 7 is rotatably connected with the lower rotating frame 6, the right adjusting frame 7 is slidably connected with a bridging rod 8, the auxiliary frame 2 is fixedly connected with the uppermost one of the left double flange joint pipes 3, the auxiliary frame 2 is rotatably connected with a follow-up rotating frame 9, the left adjusting frame 10 is mounted on the uppermost one of the left double flange joint pipes 3 relative to the uppermost one of the left double flange joint pipes 3 through the cooperation of the auxiliary frame 2 and the follow-up rotating frame 9, the follow-up rotating frame 9 is rotatably connected with the left adjusting frame 10 through the cooperation of the right adjusting frame 7, the left adjusting frame 10 and the bridging rod 8, a structure of transverse height limitation is formed, the inside of the installation frame 1 and the inside of the auxiliary frame 2 are respectively provided with an adjusting support structure, the two adjusting support structures are respectively used for the rotation support limit of the lower rotating frame 6 relative to the installation frame 1 and the rotation support limit of the follow-up rotating frame 9 relative to the auxiliary frame 2, the two adjusting support structures respectively comprise a cross rod 23 and two fixed overhanging frames 24, the two cross rods 23 are respectively connected in the installation frame 1 and the auxiliary frame 2 in a sliding way, the front ends of the two cross rods 23 are respectively fixedly connected with movable overhanging frames 25, the two movable overhanging frames 25 are respectively connected with a threaded lifting rod 26 in a threaded way, the top ends of the threaded lifting rods 26 are fixedly connected with driving columns 34, a plurality of driving holes are formed in the driving columns 34, the rotation driving of the threaded lifting rods 26 is facilitated, the two fixed overhanging frames 24 are respectively fixedly connected with the installation frame 1 and the auxiliary frame 2, round holes are formed in the two fixed overhanging frames 24, the two threaded lifting rods 26 are respectively connected in two threaded holes in a rotating mode, through the design of an adjusting supporting structure, the limitation of the relative positions of the lower rotating frame 6 relative to the mounting frame 1 after the rotation adjustment and the limitation of the relative positions of the following rotating frame 9 relative to the auxiliary frame 2 after the rotation adjustment can be achieved, the adjusting range of the height of the structure with the limited transverse height is better, the practicability is better, the connecting laths 27 are fixedly connected to the front end and the rear end of the bridging rod 8, the anti-collision guardrail 28 is arranged outside the bridging rod 8, the lower open cavity 29 is arranged on the anti-collision guardrail 28, the two connecting laths 27 are fixedly connected in the lower open cavity 29, the right end of the anti-collision guardrail 28 is provided with the insertion open slot 30, the insertion open slot 30 is matched with the rotating lever 16 and the driving lever 17, and when the height-adjustable municipal road height limiting rod is used for limiting the height adjustment, the rotating lever 16 and the driving lever 17 can be sequentially inserted into the insertion open slot 30 through pushing the driving lever 17 leftwards relative to the outer through the through hole 20, so that the auxiliary storage of the rotating lever 16 and the driving lever 17 is achieved.

In summary, the height-adjustable height-limiting rod for the municipal road is used in the process that, before use, the height-adjustable height-limiting rod for the municipal road is firstly carried to a required use place and is installed, in the installation process, the corresponding number of left double-flange joint pipes 3 and the corresponding number of right double-flange joint pipes 4 are selected according to the specific height-limiting condition of the municipal road, when the specific limited height cannot be matched with the corresponding number of left double-flange joint pipes 3 and the corresponding number of right double-flange joint pipes 4 to form corresponding height, two threaded lifting rods 26 can be adjusted through rotation, the two threaded lifting rods 26 are respectively adjusted in rotation relative to the corresponding fixed overhanging frames 24, due to the threaded action between the threaded lifting rods 26 and the movable overhanging frames 25, the two movable overhanging frames 25 are respectively moved up relative to the two fixed overhanging frames 24 in height direction, the two raised movable overhanging frames 25 respectively drive the corresponding cross rods 23 to rise in height direction, the two raised cross rods 23 respectively move down relative to the fixed overhanging frames 6, the two movable overhanging frames 2 are adjusted in height direction relative to the corresponding fixed overhanging frames, the movable overhanging frames 2 are moved down relative to the fixed overhanging frames, the movable overhanging frames 2 are moved down, the height-adjustable height-limiting frames are adjusted along with the rotation of the corresponding height-adjustable height-limiting rod is realized, and the height-adjustable height-limiting rod is adjusted along with the rotation of the municipal road is realized, and the height-adjustable height-limiting rod is adjusted along with the rotation of the height-adjustable height-limiting rod is realized, and the height-adjustable by the height-adjustable height-limiting rod is adjusted along with the height-adjusting the height-limiting rod by the height-adjusting rod.

Further, in the daily use process of the height-adjustable municipal road height-limiting rod after the installation is completed, when a special overhigh vehicle needs to pass, the driving lever 17 is pulled rightwards relative to the external frame 11 at first, so that the rotating lever 16 can form relative rotation adjustment relative to the external frame 11 by taking the connecting shaft 15 as an axle center, corresponding front limiting grooves 13 in the plurality of front limiting grooves 13 and corresponding rear limiting grooves 14 in the plurality of rear limiting grooves 14 are selected according to the height required to be lifted by the anti-collision guardrail 28, the front limiting driving rod 18 on the driving lever 17 which is adjusted in a rotating way is inserted into the corresponding front limiting grooves 13, meanwhile, the rear limiting driving rod 19 on the fixed driving lever 17 which is adjusted in a rotating way can be correspondingly inserted into the rear limiting grooves 14, and then the right end of the driving lever 17 is pressed, so that the rotating of the upper rotating frame 5 relative to the installation frame 1 can be realized, the left end of the upper rotating frame 5 is rotated and lifted, so that the driving lifting of the right adjusting frame 7 is achieved, the left adjusting frame 10 and the bridging rod 8 are lifted synchronously along with the lifting of the right adjusting frame 7, thus the anti-collision guardrail 28 can be lifted and driven to realize the lifting adjustment of the limiting height on the municipal road, the passing of special overhigh vehicles is facilitated, the downward pressure acting on the right end of the driving lever 17 is slowly released after the passing of the special overhigh vehicles, the slow falling of the left end of the upper rotating frame 5 is realized, the height resetting of the anti-collision guardrail 28 is realized, the restoring of the limiting height on the municipal road after the passing of the special overhigh vehicles is realized, the driving lever 17 can be adjusted to a state of being inserted into the outer through hole 20 relative to the outer connecting frame 11 when the driving lever 17 is not used, the driving lever 17 is pushed leftwards relative to the outer connecting frame 11, until the limit holes on the two outer limit plates 22 are overlapped from front to back, the locking of the relative positions of the two outer limit plates 22 is realized through an external lockset, the limit of the relative positions of the driving lever 17 relative to the external frame 11 is reached, and the limit height of the height-adjustable height-limiting rod for the municipal road is prevented from being adjusted randomly without permission.

Claims

1. The utility model provides a height-adjustable height-limiting rod for municipal roads, includes a plurality of hollow tubes, its characterized in that still includes mounting bracket (1) and auxiliary frame (2), a plurality of hollow tubes include a plurality of upper and lower interconnect's left double flange festival pipe (3) and a plurality of upper and lower interconnect's right double flange festival pipe (4), mounting bracket (1) fixed connection is on one right double flange festival pipe (4) of the uppermost side in a plurality of right double flange festival pipe (4), and mounting bracket (1) swivelling joint has last rotating turret (5) and lower rotating turret (6), install adjustable lever drive structure on last rotating turret (5), the drive when adjustable lever drive structure is used for last rotating turret (5) for the rotation adjustment of the angle of mounting bracket (1), on rotating turret (5) be connected with right alignment jig (7), right alignment jig (7) and lower rotating turret (6) swivelling joint have bridging rod (8), auxiliary frame (2) swivelling joint is connected with one in a plurality of flange (3) and a plurality of upper rotating turret (10) in the rotating turret (9), and the adjusting support structures are respectively arranged in the mounting frame (1) and the auxiliary frame (2), and the two adjusting support structures are respectively used for limiting the rotation support of the lower rotating frame (6) relative to the mounting frame (1) and limiting the rotation support of the follow-up rotating frame (9) relative to the auxiliary frame (2).

2. The height limiting rod for the municipal road according to claim 1, wherein the adjustable lever driving structure comprises an external frame (11), the external frame (11) is fixedly connected with the upper rotating frame (5), an adjusting cavity (12) is formed in the external frame (11), a plurality of front limiting grooves (13) are formed in the inner front wall of the adjusting cavity (12), a plurality of rear limiting grooves (14) are formed in the inner rear wall of the adjusting cavity (12), the rear limiting grooves (14) are respectively overlapped with the front limiting grooves (13) in front and rear, a connecting shaft (15) is fixedly connected in the adjusting cavity (12), a rotating lever (16) is connected on the connecting shaft (15), a driving lever (17) is connected on the rotating lever (16) in a sliding mode, a front limiting driving rod (18) is fixedly connected with the front end of the driving lever (17), the front limiting grooves (13) are matched with the front limiting driving rod (18), and the rear limiting rods (19) are fixedly connected with the rear limiting rods (19) of the driving lever (17).

3. The height-adjustable municipal road height-limiting rod according to claim 2, wherein the adjusting cavity (12) is internally provided with an outer through hole (20), and the outer through hole (20) is used for driving the lever (17) to penetrate through and be accommodated.

4. The height limiting rod for the municipal road according to claim 3, wherein the right end of the driving lever (17) is fixedly connected with a limiting driving sleeve (21), the limiting driving sleeve (21) and the external frame (11) are fixedly connected with an outer limiting plate (22), limiting holes are formed in the two outer limiting plates (22), and the driving lever (17) can be stabilized relative to the upper rotating frame (5) by adjusting the two limiting holes to be overlapped front and back and limiting the front and back overlapped positions of the two limiting holes formed by an external auxiliary pin shaft.

5. The height-limiting rod for the municipal road according to claim 4, wherein the two adjusting support structures comprise a cross rod (23) and two fixed overhanging frames (24), the two cross rods (23) are respectively and slidably connected in the mounting frame (1) and the auxiliary frame (2), the front ends of the two cross rods (23) are respectively and fixedly connected with movable overhanging frames (25), the two movable overhanging frames (25) are respectively and fixedly connected with threaded lifting rods (26), the two fixed overhanging frames (24) are respectively and fixedly connected with the mounting frame (1) and the auxiliary frame (2), round holes are respectively formed in the two fixed overhanging frames (24), and the two threaded lifting rods (26) are respectively and rotatably connected in the two threaded holes.

6. The height-limiting rod for the municipal road according to claim 5, wherein the front end and the rear end of the bridging rod (8) are fixedly connected with connecting laths (27), an anti-collision guardrail (28) is arranged outside the bridging rod (8), a lower opening cavity (29) is arranged on the anti-collision guardrail (28), and the two connecting laths (27) are fixedly connected in the lower opening cavity (29).

7. The height-adjustable municipal road height-limiting rod according to claim 6, wherein the right end of the anti-collision guardrail (28) is provided with an insertion opening groove (30), and the insertion opening groove (30) is matched with the rotating lever (16) and the driving lever (17).

8. The height-limiting pole for municipal roads according to claim 7, wherein two inclined brackets (31) are installed on a right double-flange joint (4) at the lowest side of the right double-flange joints (4) and a left double-flange joint (3) at the lowest side of the left double-flange joints (3), and the bottom ends of the two inclined brackets (31) are fixedly connected with auxiliary support hole plates (32).

9. The height-limiting pole for municipal roads according to claim 8, wherein a plurality of side reinforcing plates (33) are fixedly connected to the inclined brackets (31), and the plurality of side reinforcing plates (33) are respectively connected to the plurality of auxiliary supporting hole plates (32).

10. The height-adjustable municipal road height-limiting rod according to claim 9, wherein a driving column (34) is fixedly connected to the top end of the threaded lifting rod (26), and a plurality of driving holes are formed in the driving column (34).