CN219218664U

CN219218664U - Expansion joint structure of bridge body and road surface

Info

Publication number: CN219218664U
Application number: CN202223339786.9U
Authority: CN
Inventors: 张德平; 池君惠; 梁建军; 孙亚东; 李平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-20
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an expansion joint structure of a bridge body and a road surface, which comprises a joint block arranged on two roadbed, wherein the first ends of the joint blocks are provided with saw tooth blocks in a linear array, the saw tooth blocks are in staggered joint, and the second ends of the joint blocks are provided with inclined planes. According to the expansion joint structure of the bridge body and the road surface, when the expansion joint is enlarged due to deformation of the bridge subgrade and the road subgrade, the two groups of saw-tooth blocks slide along the side walls and cannot be separated, so that when an automobile runs through the expansion joint, wheels can be attached to the saw-tooth blocks to run, the phenomenon that the wheels impact the subgrade to generate larger vibration is avoided, potential safety hazards when the automobile runs on the expansion joint are reduced, and when the automobile rains, the vehicle runs on the saw-tooth blocks to drive the elastic pieces below the saw-tooth blocks to vibrate, drainage is accelerated, and rainwater is prevented from accumulating at the expansion joint.

Description

Expansion joint structure of bridge body and road surface

Technical Field

The utility model relates to the technical field of bridge expansion joints, in particular to an expansion joint structure of a bridge body and a road surface.

Background

The expansion joint is a structural joint for preventing the crack of the structure caused by expansion and contraction of the building or the road.

The bridge expansion joint can meet the requirement of bridge deck deformation and is arranged at the position where two ends of the bridge are connected with the road.

According to patent number CN114319096a, publication (bulletin) day: 2022-04-12, a bridge expansion joint structure is disclosed, which comprises two beam bodies, wherein an expansion joint is formed between the beam bodies, a preset groove is formed in the top surface of the beam bodies, a cover plate is arranged between the beam bodies, the cover plate is placed in the preset groove and covers the expansion joint, a vertical buffer mechanism is arranged between the bottom surface of the cover plate and the bottom surface of the preset groove, a horizontal buffer mechanism is arranged between the side surface of the cover plate and the inner side wall of the preset groove, the cover plate is connected with the expansion joint through a supporting mechanism, and the supporting mechanism is fixed at the corner where the preset groove is connected with the expansion joint through a mounting frame; a water stop belt is arranged below the supporting mechanism, and two side edges of the water stop belt are installed in the beam body in a penetrating manner and cover the expansion joint; according to the scheme, the cover plate is supported by the horizontal buffer mechanism and the vertical buffer mechanism, and meanwhile, the functions of damping and buffering and stabilizing the position of the cover plate are achieved, so that the dislocation and offset of the cover plate are avoided; through setting up stagnant water and drainage structures, carry out abundant separation and discharge to moisture, avoid moisture infiltration into the expansion joint.

Among the prior art including above-mentioned patent, the bridge can widen when the deformation degree is great, and the vehicle can strike on wider expansion joint when the expansion joint this moment fast to make the wheel receive the impact upwards spring and shake, has road potential safety hazard.

Disclosure of Invention

The utility model aims to provide an expansion joint structure of a bridge body and a road surface, and aims to solve the problem that potential safety hazards exist in the road when expansion joints are wider.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a bridge and expansion joint structure on road surface, includes the block that merges that sets up on two road beds, two the first end of block that merges all is linear array and is provided with the sawtooth piece, the crisscross intersection of sawtooth piece, the inclined plane has all been seted up to the block second end that merges.

Preferably, an elastic sheet is fixedly connected between the two roadbeds, the elastic sheet is obliquely arranged, a connecting column is arranged on the sawtooth block, and the connecting column is attached to the elastic sheet.

Preferably, the elastic sheet is provided with saw tooth grooves in a linear array.

Preferably, the joint block is provided with a joint part, and the joint part is fixedly connected to the vertical surface of the roadbed.

Preferably, the engagement blocks are rubber blocks.

Preferably, the elastic sheet is a rubber sheet.

Preferably, the length of the bonding portion is 30mm to 70mm.

In the technical scheme, the expansion joint structure of the bridge body and the pavement has the following beneficial effects: when bridge roadbed and road roadbed expand the expansion joint because bridge roadbed warp, two sets of sawtooth piece can slide along the lateral wall to can not separate for the car can laminate the sawtooth piece and go when driving through the expansion joint, in order to avoid the wheel striking roadbed to appear great vibration's phenomenon, in order to reduce the potential safety hazard of going when the expansion joint, and when raining, the vehicle is gone and can drive the elastic sheet vibrations of below on the sawtooth piece, in order to accelerate the drainage, prevent that the rainwater from piling up in expansion joint department.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic overall cross-sectional view of an embodiment of the present utility model;

fig. 2 is a schematic diagram of a sawtooth block according to an embodiment of the present utility model.

Reference numerals illustrate:

1. roadbed; 2. a mating block; 21. a saw tooth block; 22. an inclined plane; 23. a bonding part; 3. an elastic sheet; 31. and (5) connecting the columns.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1-2, an expansion joint structure of a bridge body and a road surface comprises an intersection block 2 arranged on two roadbed 1, wherein the first ends of the two intersection blocks 2 are provided with saw tooth blocks 21 in a linear array, the saw tooth blocks 21 are intersected in a staggered manner, and the second ends of the intersection blocks 2 are provided with inclined planes 22.

Specifically, the joint blocks 2 are fixedly connected to the two roadbeds 1, the first ends (refer to fig. 1, the first ends are ends close to the central axes of the two roadbeds 1, and the second ends are ends far away from the central axes of the two roadbeds 1) of the two joint blocks 2 are provided with saw-tooth blocks 21 in a linear array, the two groups of saw-tooth blocks 21 are in staggered joint, and the second ends of the joint blocks 2 are provided with inclined planes; when bridge bed 1 and road bed 1 expand the expansion joint because bridge bed 1 warp, two sets of sawtooth piece 21 can slide along adjacent sawtooth piece 21 lateral wall to can not separate in order to play the effect of covering the expansion joint, when the car was travelled through the expansion joint, can press on the sawtooth piece 21 along inclined plane 22 at first, can avoid the wheel to strike the phenomenon that the road bed 1 appears great vibrations this moment, and press up sawtooth piece 21 through inclined plane 22 also can reduce the impact to the wheel in order to further reduce vibrations.

Among the above-mentioned technical scheme, when bridge road bed 1 and road bed 1 expand the expansion joint because bridge road bed 1 warp, two sets of sawtooth piece 21 can slide along the lateral wall, and can not separate, make the car when driving through the expansion joint, the wheel can laminate sawtooth piece 21 and go, in order to avoid the wheel striking road bed 1 to appear great vibration's phenomenon, in order to reduce the potential safety hazard of going when the expansion joint, and when raining, the vehicle is gone and can drive the elastic sheet 3 vibrations of below on sawtooth piece 21, in order to accelerate the drainage, prevent that the rainwater from piling up in expansion joint department.

As a further provided embodiment of the present utility model, an elastic sheet 3 is fixedly connected between two roadbed 1, the elastic sheet 3 is obliquely arranged, a connection column 31 is arranged on the sawtooth block 21, the connection column 31 is attached to the elastic sheet 3, and a sawtooth slot is formed on the elastic sheet 3 in a linear array; when raining, the rainwater can be along on the elastic sheet 3 of slope when the expansion joint whereabouts, then get rid of along the elastic sheet 3, and when the car form is on sawtooth piece 21, can drive spliced pole 31 along with sawtooth piece 21 vibrations in the lump to vibrate elastic sheet 3, in order to accelerate elastic sheet 3 discharge rainwater, and set up the serration groove on the elastic sheet 3, when elastic sheet 3 vibrations, the drop of water on the serration groove slides along the sawtooth side easily, in order to assemble into little rivers, in order to accelerate the discharge of water, reduce the rainwater and stay.

As a further provided embodiment of the present utility model, the joint block 2 is provided with a joint portion 23, the joint portion 23 is fixedly connected to the vertical surface of the roadbed 1, the joint portion 23 is 30 mm-70 mm in length, and the joint portion 23 is fixed to the roadbed 1 by a fastener (screw, expansion bolt).

As the embodiment of the utility model further provides, the block 2 that merges and elastic sheet 3 are made for rubber, possess better elasticity and buffer capacity to can not be corroded by the rainwater.

Working principle: when bridge subgrade 1 and road subgrade 1 expand the expansion joint because bridge subgrade 1 warp, two sets of sawtooth blocks 21 can slide along adjacent sawtooth block 21 lateral walls, and can not separate in order to play the effect of covering the expansion joint, when the car is traveling through the expansion joint, can press on sawtooth block 21 along inclined plane 22 at first, can avoid the wheel to strike the phenomenon that the subgrade 1 appears great vibrations this moment, and press up sawtooth block 21 through inclined plane 22 and also can reduce the impact on the wheel in order to further reduce vibrations, when raining, the rainwater can be along on the elastic sheet 3 of slope when the expansion joint whereabouts, then get rid of along elastic sheet 3, and when the car form is on sawtooth block 21, can drive spliced pole 31 vibrations along with sawtooth block 21 together, in order to vibrate elastic sheet 3, in order to accelerate elastic sheet 3 discharge rainwater, and set up the sawtooth groove on elastic sheet 3, the drop on the sawtooth groove slides along the sawtooth side easily, in order to assemble into the drainage of little water, in order to reduce the rainwater retention.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The expansion joint structure of the bridge body and the pavement is characterized by comprising an intersection block (2) arranged on two roadbed (1), wherein the first ends of the intersection block (2) are provided with saw tooth blocks (21) in a linear array, the saw tooth blocks (21) are in staggered intersection, and the second ends of the intersection block (2) are provided with inclined planes (22).

2. The expansion joint structure of a bridge body and a pavement according to claim 1, wherein an elastic sheet (3) is fixedly connected between two roadbed structures (1), the elastic sheet (3) is obliquely arranged, a connecting column (31) is arranged on the sawtooth block (21), and the connecting column (31) is attached to the elastic sheet (3).

3. The expansion joint structure of the bridge body and the pavement according to claim 2, wherein the elastic sheet (3) is provided with saw tooth grooves in a linear array.

4. The expansion joint structure of a bridge body and a road surface according to claim 1, wherein the joint block (2) is provided with a joint part (23), and the joint part (23) is fixedly connected to a vertical surface of the roadbed (1).

5. The expansion joint structure of a bridge body and a road surface according to claim 1, wherein the joint block (2) is a rubber block.

6. The expansion joint structure of a bridge body and a road surface according to claim 2, wherein the elastic sheet (3) is a rubber sheet.

7. The expansion joint structure of a bridge body and a road surface according to claim 4, wherein the length of the attaching portion (23) is 30mm to 70mm.