CN220619774U

CN220619774U - Highway bridge torsion-resistant telescopic device

Info

Publication number: CN220619774U
Application number: CN202322102876.4U
Authority: CN
Inventors: 万军; 丁伟; 吕玉来; 施书贵
Original assignee: Anhui Zhongsheng Construction Engineering Testing Co ltd
Current assignee: Anhui Zhongsheng Construction Engineering Testing Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-03-19
Anticipated expiration: 2033-08-04

Abstract

The utility model relates to the technical field of highway construction, and discloses a highway bridge torsion-resistant telescopic device, which comprises a telescopic device, wherein torsion-resistant steel bars are fixedly arranged on the surface of the telescopic device, a buffer structure and an installation and disassembly structure are arranged in the telescopic device, and the installation and disassembly structure comprises: the highway bridge torsion-resistant telescopic device comprises a fixing rod, a circular ring, a trapezoid round block, a compression spring and a trapezoid block, wherein the inner wall of the telescopic device is fixedly connected with the surface of the compression spring, the right side of the compression spring is fixedly connected with the left side of the trapezoid block, the highway bridge torsion-resistant telescopic device is provided with an installation and disassembly structure, when torsion-resistant steel bars are installed on the telescopic device, the torsion-resistant steel bars are only required to be clamped inside the telescopic device, at the moment, the trapezoid block inside the telescopic device is clamped at the bottom of the trapezoid round block, so that the telescopic device is installed, and when the telescopic device needs to be disassembled, the torsion-resistant steel bars extend to a point inside the telescopic device, so that the torsion-resistant steel bars can be taken out from the telescopic device.

Description

Highway bridge torsion-resistant telescopic device

Technical Field

The utility model relates to the technical field of highway construction, in particular to a highway bridge torsion-resistant telescopic device.

Background

Road bridge refers to bridge engineering dedicated to road traffic. The main function of the road bridge is to connect roads at two ends of the road, ensure the safety and smoothness of driving, and is an indispensable component in road construction. Road bridges are various and can be classified into various types such as girder type bridges, arch bridges, cable-stayed bridges, suspension bridges and the like according to different classification standards. In the process of designing, constructing and maintaining a highway bridge, various factors such as bearing capacity, durability, vibration resistance, wind resistance and the like are required to be considered. Meanwhile, the road bridge is also an indispensable important traffic facility in daily travel of people.

The torsion bar is needed to be used in the construction of the highway bridge, so that the safety of bridge engineering can be enhanced in the construction.

However, the existing highway bridge needs to use the telescopic device when being constructed, the device needs to install the torsion bar when being used, but the previous installation is connected through the screw bolts and the telescopic device on the highway bridge is exposed outdoors, so that the joint of the torsion bar can rust for a long time, the service life of the torsion bar can be shortened, and when the torsion bar is installed on the telescopic device, the phenomenon of over-installation easily occurs when the torsion bar is installed because of the longer body type of the torsion bar, therefore, we propose the torsion bar telescopic device of the highway bridge.

Disclosure of Invention

The present utility model is directed to a highway bridge torsion-resistant telescopic device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a torsion-resistant telescoping device of highway bridge, includes telescoping device, telescoping device's fixed surface installs torsion-resistant reinforcement, telescoping device's inside is provided with buffer structure and installation dismantlement structure, can prevent through setting up buffer structure and installation dismantlement structure that torsion-resistant reinforcement from installing too much to and the installation is dismantled to the torsion-resistant reinforcement, installation dismantlement structure includes: the anti-torsion fixing device comprises a fixing rod, a circular ring, a trapezoid circular block, a compression spring and a trapezoid block, wherein the right side of the anti-torsion steel bar is fixedly connected with the left side of the fixing rod, the surface of the fixing rod is in sliding connection with the inner wall of the circular ring, when the anti-torsion steel bar is inserted into the telescopic device, the anti-torsion steel bar can be installed and detached through the trapezoid block and the circular ring, and therefore the anti-torsion steel bar is not required to be connected through screw threads, the service life of the anti-torsion steel bar is prolonged, the surface of the fixing rod is fixedly connected with the right side of the trapezoid circular block, the inner wall of the telescopic device is fixedly connected with the surface of the compression spring, and the right side of the compression spring is fixedly connected with the left side of the trapezoid block.

Preferably, the buffer structure includes: the gear rod, the inner wall of telescoping device and the fixed surface of gear rod are connected, the bottom fixed connection of telescoping device inner wall and rack, and rack and gear rod meshing, the fixed surface of rack and fixed surface of fixed block are connected, the fixed surface of fixed block and buffer spring's fixed surface are connected, buffer spring's right side and buffer block's fixed surface are connected, when removing the telescoping device, the buffer block can prevent torsion bar grafting too much now to staff's work load has been alleviateed.

Preferably, the inner wall of the telescopic device is provided with a cavity.

Preferably, holes are formed in the surface of the telescopic device.

Preferably, a sliding groove is formed in the surface of the telescopic device.

Preferably, the two groups of trapezoidal blocks are arranged, and the two groups of trapezoidal blocks are symmetrically arranged by taking the central line of the telescopic device as a symmetrical axis.

Compared with the prior art, the utility model provides a highway bridge torsion-resistant telescopic device, which has the following beneficial effects:

1. this antitorque telescoping device of highway bridge through setting up the installation dismantlement structure, installs antitorque reinforcing bar on telescoping device, only needs with antitorque reinforcing bar joint in the device inside, and the trapezoidal piece of telescoping device inside will joint in trapezoidal circle piece bottom at this moment, just so installed, when needs dismantlement, stretches the antitorque reinforcing bar to the telescoping device inside a bit again, just so can take out antitorque reinforcing bar from the telescoping device inside.

2. This anti-torsion telescopic device of highway bridge through setting up buffer structure, when installing anti-torsion bar into telescopic device, the inside gear pole of telescopic device can with the buffer block of rack tip at this moment to at buffer spring's effect, anti-torsion bar just can not continue to insert into telescopic device inside this moment, just so guaranteed that anti-torsion bar can not install too head.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model in elevation;

FIG. 2 is an enlarged schematic view of the mounting and dismounting structure of the present utility model;

FIG. 3 is an enlarged schematic view of a buffer structure according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a telescoping device; 2. torsion-resistant steel bars; 3. a buffer structure; 4. installing and detaching the structure; 31. a gear lever; 32. a rack; 33. a fixed block; 34. a buffer spring; 35. a buffer block; 41. a fixed rod; 42. a circular ring; 43. trapezoidal round blocks; 44. a compression spring; 45. trapezoidal blocks.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a highway bridge antitorque telescoping device, includes telescoping device 1, and the spout has been seted up on telescoping device 1's surface, and cavity has been seted up to telescoping device 1's inner wall, and the hole has been seted up on telescoping device 1's surface, and telescoping device 1's surface fixed mounting has antitorque reinforcing bar 2, and telescoping device 1's inside is provided with buffer structure 3 and installs and dismantles structure 4, and buffer structure 3 includes: the gear pole 31, the inner wall of telescoping device 1 and the fixed surface connection of gear pole 31, the bottom fixed connection of telescoping device 1 inner wall and rack 32, and rack 32 and gear pole 31 meshing, the fixed surface connection of rack 32 and fixed surface of fixed block 33, the fixed surface of fixed block 33 and the fixed surface connection of buffer spring 34, the right side of buffer spring 34 and the fixed surface connection of buffer block 35, when moving telescoping device 1, at this moment, gear pole 31 will mesh with rack 32, and when moving to rack 32 right side, at this moment buffer block 35 on rack 32 will mesh with gear pole 31, and under the effect of buffer spring 34, at this moment torsion bar 2 on the telescoping device 1 just can not continue to insert inside the telescoping device 1, can prevent through setting up buffer structure 3 and installation dismantlement structure 4 torsion bar 2 and install the too much, and install and dismantle torsion bar 2, installation dismantlement structure 4 includes: the fixing rod 41, the circular ring 42, the trapezoid round block 43, the compression spring 44 and the trapezoid block 45 are fixedly connected with the right side of the torsion bar 2 and the left side of the fixing rod 41, the surface of the fixing rod 41 is fixedly connected with the inner wall of the circular ring 42 in a sliding mode, when the telescopic device 1 is moved, the fixing rod 41 on the torsion bar 2 is contacted with the trapezoid block 45 and clamped at the bottom of the trapezoid round block 43, the installation is completed, when the torsion bar 2 needs to be dismounted, the trapezoid block 45 is moved to a little inside, the trapezoid block 45 is contacted with the circular ring 42, the torsion bar 2 can be taken out under the action of the compression spring 44, the surface of the fixing rod 41 is fixedly connected with the right side of the trapezoid round block 43, the inner wall of the telescopic device 1 is fixedly connected with the surface of the compression spring 44, the right side of the compression spring 44 is fixedly connected with the left side of the trapezoid block 45, two groups of the trapezoid block 45 are arranged, and the two groups of trapezoid blocks 45 are symmetrically arranged by taking the central line of the telescopic device 1 as a symmetrical axis.

Working principle: the buffer structure 3 and the mounting and dismounting structure 4 can prevent the torsion bar 2 from being excessively mounted and the torsion bar 2 from being mounted and dismounted, when the telescopic device 1 is moved, the fixing rod 41 on the torsion bar 2 is contacted with the trapezoidal block 45 and clamped at the bottom of the trapezoidal round block 43, thus the mounting is completed, when the telescopic device needs to be dismounted, the torsion bar 2 is moved to a small point inwards, the trapezoidal block 45 is contacted with the circular ring 42, the torsion bar 2 can be taken out under the action of the compression spring 44, when the telescopic device 1 is moved, the gear rod 31 is meshed with the gear rod 32, and when the telescopic device 1 is moved to the right side of the gear rod 32, the buffer block 35 on the gear rod 32 is meshed with the gear rod 31, and under the action of the buffer spring 34, the torsion bar 2 on the telescopic device 1 can not be continuously inserted into the telescopic device 1.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a torsion-resistant telescoping device of highway bridge, includes telescoping device (1), its characterized in that: the surface fixed mounting of telescoping device (1) has antitorque reinforcing bar (2), the inside of telescoping device (1) is provided with buffer structure (3) and installation dismantlement structure (4), installation dismantlement structure (4) include:

the right side of the torsion bar (2) is fixedly connected with the left side of the fixing bar (41), and the surface of the fixing bar (41) is in sliding connection with the inner wall of the circular ring (42);

the surface of the fixing rod (41) is fixedly connected with the right side of the trapezoid round block (43);

the compression spring (44), the inner wall of telescoping device (1) is connected with the surface fixed of compression spring (44), the right side of compression spring (44) is connected with the left side fixed of trapezoidal piece (45).

2. The highway bridge torsion-resistant telescopic device according to claim 1, wherein: the cushioning structure (3) comprises: the gear rod (31), the inner wall of telescoping device (1) is connected with the fixed surface of gear rod (31), the bottom fixed connection of telescoping device (1) inner wall and rack (32), and rack (32) and gear rod (31) meshing, the fixed surface of rack (32) is connected with the fixed surface of fixed block (33), the fixed surface of fixed block (33) is connected with the fixed surface of buffer spring (34), the right side of buffer spring (34) is connected with the fixed surface of buffer block (35).

3. The highway bridge torsion-resistant telescopic device according to claim 1, wherein: the inner wall of the telescopic device (1) is provided with a cavity.

4. The highway bridge torsion-resistant telescopic device according to claim 1, wherein: holes are formed in the surface of the telescopic device (1).

5. The highway bridge torsion-resistant telescopic device according to claim 1, wherein: a sliding groove is formed in the surface of the telescopic device (1).

6. The highway bridge torsion-resistant telescopic device according to claim 1, wherein: two groups of trapezoidal blocks (45) are arranged, and the two groups of trapezoidal blocks (45) are symmetrically arranged by taking the central line of the telescopic device (1) as a symmetrical axis.