CN214401517U

CN214401517U - Road and bridge protection limit for height device

Info

Publication number: CN214401517U
Application number: CN202023227779.0U
Authority: CN
Inventors: 陈宇
Original assignee: Xuzhou Transportation Planning And Design Institute
Current assignee: Xuzhou Transportation Planning And Design Institute
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-15
Anticipated expiration: 2030-12-28

Abstract

A road and bridge protection height limiting device comprises a base, wherein a fixed bin is fixedly arranged at the upper part of the base, a bearing seat is installed on the inner wall of the lower part of the fixed bin, the bearing seat is connected with a screw rod, a driving wheel and a driven wheel are respectively arranged in the fixed bin, the driven wheel is arranged on the screw rod, the driving wheel and the driven wheel are mutually meshed through wheel teeth, the end part of the driving wheel far away from the screw rod is fixedly provided with a rotating shaft, the end part of the rotating shaft far away from the driving wheel penetrates through the fixed bin and extends to the outside of the fixed bin, a moving block is arranged above the fixed bin, the lower part of the moving block is provided with a threaded hole, the screw rod is connected with the threaded hole through threads, the side wall of the moving block is connected with a fixed plate, the front surface of the fixed plate is provided with at least two height warning boards, the rear surface of the fixed plate is provided with a spring, and the end part of the spring far away from the fixed plate is connected with an L-shaped rubber push pedal, the upper part of the horizontal part of the L-shaped rubber push plate is connected with the lower part of the fixed plate in a sliding way.

Description

Road and bridge protection limit for height device

Technical Field

The utility model relates to a road and bridge technical field specifically is a road and bridge protection limit for height device.

Background

The road and bridge generally comprises a plurality of parts such as a roadbed, a road surface, a bridge, tunnel engineering, traffic engineering facilities and the like, a vehicle height limiting fence is usually arranged at an inlet and an outlet of a place such as the road and bridge, a tunnel and the like needing to limit the height of a vehicle, the vehicle height limiting fence is designed and manufactured for limiting the specific height, the vehicle circulation efficiency and quality can be effectively improved, and traffic accidents are avoided. The prior road and bridge protection height limiting device has the following problems: 1. the limiting height is inconvenient to adjust; 2. when limit for height device and super high vehicle take place huge mutual impact in the short time, there is not effective buffering during the vehicle striking, causes the vehicle to damage, probably injures car passenger.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned among the prior art, the utility model provides a road and bridge protection limit for height device solves the problem that proposes in the background art.

In order to achieve the purpose, the road and bridge protection height limiting device comprises a base, wherein a fixed bin is fixedly arranged at the upper part of the base, a bearing seat is arranged on the inner wall of the lower part of the fixed bin, the bearing seat is connected with a screw rod, a driving wheel and a driven wheel are respectively arranged in the fixed bin, the driven wheel is arranged on the screw rod, the driving wheel and the driven wheel are meshed with each other through gear teeth, a rotating shaft is fixedly arranged at the end part of the driving wheel far away from the screw rod, the end part of the rotating shaft far away from the driving wheel penetrates through the fixed bin and extends to the outside of the fixed bin, a moving block is arranged above the fixed bin, a threaded hole is formed in the lower part of the moving block, the screw rod is connected with the threaded hole through threads, a fixed plate is connected to the side wall of the moving block, at least two height warning boards are arranged on the front surface of the fixed plate, a telescopic rod is arranged at the upper part of the base and is arranged behind the fixed bin, the upper part of the telescopic end of the telescopic rod is provided with a fixed cylinder, the side wall of the fixed cylinder is provided with a reset spring, the end part of the reset spring, far away from the fixed cylinder, is connected with a rubber plate fixed plate, the front surface of the rubber plate fixed plate is connected with a rubber buffer plate, the side wall of the fixed cylinder is provided with at least two first sliding grooves, the rear surface of the fixed plate is provided with a spring, the end part of the spring, far away from the fixed plate, is connected with an L-shaped rubber push plate, the upper part of the horizontal part of the L-shaped rubber push plate is connected with the lower part of the fixed plate in a sliding manner, the vertical part of the L-shaped rubber push plate is separately provided with at least two first sliding grooves, the rear surface of the fixed plate is connected with at least two limiting rods, the limiting rods sequentially penetrate through the first sliding grooves and the second sliding grooves, and the limiting rods respectively limit the L-shaped rubber push plate and the fixed cylinder;

optionally, the base, the fixed bin and the moving block are symmetrically provided with two groups by taking the central axis of the fixed plate as a symmetry axis;

optionally, a handle is arranged at the end part of the rotating shaft far away from the driving wheel, and the handle drives the rotating shaft to rotate;

optionally, a lighting lamp is arranged on the front surface of the height warning board, and the height warning board can be conveniently watched by the lighting lamp at night;

optionally, at least two springs are arranged, at least two return springs are arranged, and the springs and the return springs have good buffering effect;

optionally, the limiting rod is connected with the first sliding groove in a sliding manner, and the limiting rod is connected with the second sliding groove in a sliding manner.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a road and bridge protection height limiting device, which drives a driven wheel to rotate through a driving wheel, drives a screw rod to rotate on a bearing seat through the driven wheel, and moves a movable block on the screw rod through a threaded hole; when a vehicle is impacted, the L-shaped rubber push plate pulls the spring to extend, the retraction characteristic of the spring plays a role in buffering, when the impact is large, the L-shaped rubber push plate can impact the rubber buffer plate, the rubber buffer plate presses the reset spring through the rubber plate fixing plate, the elastic deformation of the reset spring plays a role in buffering the L-shaped rubber push plate, the two times of buffering can reduce the huge mutual impact of the L-shaped rubber push plate and an ultrahigh vehicle in a short time, and the vehicle has good effective buffering during the impact, so that the damage of the vehicle is prevented, and the safety of passengers in the vehicle is protected; the utility model discloses simple structure, convenient to use, the low price has better practicality.

Drawings

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

fig. 2 is a schematic side view of the present invention.

The device comprises a base 1, a base 2, a fixed bin 3, a bearing seat 4, a screw rod 5, a driving wheel 6, a driven wheel 7, a rotating shaft 8, a moving block 9, a threaded hole 10, a fixed plate 11, a height warning board 12, a telescopic rod 13, a fixed cylinder 14, a reset spring 15, a rubber plate fixed plate 16, a rubber buffer plate 17, a second sliding groove 18, a spring 19, an L-shaped rubber push plate 20, a limiting rod 21, a first sliding groove 22, a handle 23 and a lighting lamp.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, a road and bridge protection height limiting device, including base 1, its characterized in that: a fixed bin 2 is fixedly arranged at the upper part of the base 1, a bearing seat 3 is arranged on the inner wall of the lower part of the fixed bin 2, the bearing seat 3 is connected with a screw rod 4, a driving wheel 5 and a driven wheel 6 are respectively arranged in the fixed bin 2, the driven wheel 6 is arranged on the screw rod 4, the driving wheel 5 and the driven wheel 6 are mutually meshed through wheel teeth, the end part of the driving wheel 5 far away from the screw rod 4 is fixedly provided with a rotating shaft 7, the end part of the rotating shaft 7 far away from the driving wheel 5 penetrates through the fixed bin 2 and extends to the outside of the fixed bin 2, a moving block 8 is arranged above the fixed bin 2, the lower part of the moving block 8 is provided with a threaded hole 9, the screw rod 4 is in threaded connection with the threaded hole 9, the side wall of the moving block 8 is connected with a fixed plate 10, the front surface of the fixed plate 10 is provided with at least two height warning boards 11, an expansion link 12 is arranged at the upper part of the base 1, and the expansion link 12 is arranged at the rear part of the fixed bin 2, the upper part of the telescopic end of the telescopic rod 12 is provided with a fixed cylinder 13, the side wall of the fixed cylinder 13 is provided with a return spring 14, the end of the return spring 14 far away from the fixed cylinder 13 is connected with a rubber plate fixing plate 15, the front surface of the rubber plate fixing plate 15 is connected with a rubber buffer plate 16, the side wall of the fixed cylinder 13 is provided with at least two sliding grooves 17, the rear surface of the fixing plate 10 is provided with a spring 18, the end part of the spring 18 far away from the fixing plate 10 is connected with an L-shaped rubber push plate 19, the upper part of the horizontal part of the L-shaped rubber push plate 19 is connected with the lower part of the fixed plate 10 in a sliding way, the vertical part of the L-shaped rubber push plate 19 is provided with at least two sliding grooves I21, the rear surface of the fixing plate 10 is connected with at least two limiting rods 20, the limiting rods 20 sequentially penetrate through the first sliding groove 21 and the second sliding groove 17, and the limiting rods 20 respectively limit the L-shaped rubber push plate 19 and the fixing cylinder 13; the base 1, the fixed bin 2 and the moving block 8 are symmetrically provided with two groups by taking the central axis of the fixed plate 10 as a symmetry axis; a handle 22 is arranged at the end part of the rotating shaft 7 far away from the driving wheel 5, and the handle 22 drives the rotating shaft 7 to rotate; the front surface of the height warning board 11 is provided with an illuminating lamp 23, and the illuminating lamp 23 is convenient for watching the height warning board 11 at night; at least two springs 18 are arranged, at least two return springs 14 are arranged, and the springs 18 and the return springs 14 have good buffering effect; the limiting rod 20 is connected with the first sliding groove 21 in a sliding mode, and the limiting rod 20 is connected with the second sliding groove 17 in a sliding mode.

When the device is used specifically, a worker rotates the two handles 22, the handles 22 drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the driven wheel 6 to rotate through the driving wheel 5, the driven wheel 6 drives the screw rod 4 to rotate on the bearing seat 3, the moving blocks 8 move on the screw rod 4 through the threaded holes 9, the two moving blocks 8 drive the fixed plate 10 to move, the fixed plate 10 drives the limiting rod 20 to move, the limiting rod 20 drives the L-shaped rubber push plate 19 to move through the first sliding groove 21, the limiting rod 20 drives the fixed cylinder 13 to move through the second sliding groove 17, and the fixed cylinder 13 pulls the telescopic end of the telescopic rod 12 to move, so that the L-shaped rubber push plate 19 is located at a required working height; the height warning board 11 is used for warning a driver of a height limit value, and the illuminating lamp 23 is convenient for watching the height warning board 11 at night; when the striking happens, the vehicle strikes the L-shaped rubber push plate 19, the L-shaped rubber push plate 19 pulls the spring 18 to extend, the L-shaped rubber push plate 19 slides on the limiting rod 20 through the first sliding groove 21, when the striking is large, the L-shaped rubber push plate 19 can strike the rubber buffer plate 16, the rubber buffer plate 16 presses the reset spring 14 through the rubber plate fixing plate 15, and the elastic deformation of the reset spring 14 has a buffering effect on the L-shaped rubber push plate 19.

Claims

1. The utility model provides a road and bridge protection limit for height device, includes base (1), its characterized in that: a fixed bin (2) is fixedly arranged at the upper part of the base (1), a bearing seat (3) is installed on the inner wall of the lower part of the fixed bin (2), the bearing seat (3) is connected with a screw rod (4), a driving wheel (5) and a driven wheel (6) are respectively arranged in the fixed bin (2), the driven wheel (6) is arranged on the screw rod (4), the driving wheel (5) and the driven wheel (6) are mutually meshed through wheel teeth, a rotating shaft (7) is fixedly arranged at the end part of the driving wheel (5) far away from the screw rod (4), the end part of the rotating shaft (7) far away from the driving wheel (5) penetrates through the fixed bin (2) and extends to the outside of the fixed bin (2), a moving block (8) is arranged above the fixed bin (2), a threaded hole (9) is formed in the lower part of the moving block (8), the screw rod (4) is connected with the threaded hole (9) through threads, and the side wall of the moving block (8) is connected with a fixed plate (10), the safety alarm is characterized in that at least two high warning boards (11) are arranged on the front surface of the fixing plate (10), a telescopic rod (12) is arranged on the upper portion of the base (1), the telescopic rod (12) is arranged at the rear of the fixing bin (2), a fixing cylinder (13) is arranged on the upper portion of the telescopic end of the telescopic rod (12), a reset spring (14) is arranged on the side wall of the fixing cylinder (13), the end portion, far away from the fixing cylinder (13), of the reset spring (14) is connected with a rubber plate fixing plate (15), the front surface of the rubber plate fixing plate (15) is connected with a rubber buffer plate (16), at least two sliding grooves II (17) are formed in the side wall of the fixing cylinder (13), a spring (18) is arranged on the rear surface of the fixing plate (10), the end portion, far away from the fixing plate (10), of the spring (18) is connected with an L-shaped rubber push plate (19), the upper portion of the horizontal portion of the L-shaped rubber push plate (19) is connected with the lower portion of the fixing plate (10) in a sliding manner, the vertical portion of L type rubber push pedal (19) separately is equipped with two at least spout one (21), fixed plate (10) rear surface is connected with two at least gag lever posts (20), gag lever post (20) pass spout one (21) and spout two (17) in proper order.

2. The road and bridge protection height limiting device of claim 1, wherein: the base (1), the fixed bin (2) and the moving block (8) are symmetrically provided with two groups by taking the central axis of the fixed plate (10) as a symmetry axis.

3. The road and bridge protection height limiting device of claim 1, wherein: and a handle (22) is arranged at the end part of the rotating shaft (7) far away from the driving wheel (5).

4. The road and bridge protection height limiting device of claim 1, wherein: and an illuminating lamp (23) is arranged on the front surface of the height warning board (11).

5. The road and bridge protection height limiting device of claim 1, wherein: the number of the springs (18) is at least two, and the number of the return springs (14) is at least two.

6. The road and bridge protection height limiting device of claim 1, wherein: the limiting rod (20) is connected with the first sliding groove (21) in a sliding mode, and the limiting rod (20) is connected with the second sliding groove (17) in a sliding mode.