CN214328497U

CN214328497U - Sinusoidal bridge expansion joint

Info

Publication number: CN214328497U
Application number: CN202023207965.8U
Authority: CN
Inventors: 唐德喜; 唐铭阳
Original assignee: Hebei Degao Industry Co ltd
Current assignee: Hebei Degao Industry Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-01
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of bridge setting, in particular to a sinusoidal bridge expansion joint; the method comprises the following steps: the bridge comprises a cover plate, a gap, a supporting beam and anchoring steel bars, wherein the anchoring steel bars are symmetrically arranged in bridge bodies on two sides of the gap, one end of each anchoring steel bar penetrates through the supporting beam, and a supporting plate is fixed at the upper end of the supporting beam; the cover plate comprises a first cover plate and a second cover plate, the opposite surfaces of the first cover plate and the second cover plate are wavy and are in contact clamping with each other, the cover plate covers the gap, a rectangular through hole is formed in one end, away from the first cover plate, of the second cover plate, a rubber block is arranged in the rectangular through hole, a circular through hole B is formed in the center of the rubber block, bolts are arranged in the circular through hole A and the circular through hole B, and the first cover plate and the second cover plate are connected with the support plate through the bolts; the lower part of the gap is provided with a bearing plate. The utility model discloses a bearing board, rectangle through-hole, block rubber and bolt have solved the rubber tape because of the bearing drops the damage and can't carry out the problem that detects to the offset.

Description

Sinusoidal bridge expansion joint

Technical Field

The utility model belongs to the technical field of the bridge sets up, concretely relates to sinusoidal bridge expansion joint.

Background

The expansion joint of the bridge is to meet the requirement of bridge deck deformation, usually the expansion joint is arranged between two beam ends, between the beam end and the abutment or on the hinged position of the bridge, the expansion joint is required to be freely expanded and contracted in two directions parallel to and vertical to the axis of the bridge, and the expansion joint is firm and reliable and has smooth running, no sudden jump and no noise when a vehicle runs; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient.

At present, the cover plate on the common bridge expansion joint is integrated, long-time vehicle is driven, the cover plate is stressed, the expansion joint is deviated, one end of the cover plate is prone to being pressed and tilted, the deviation cannot be detected online, no bearing facility is arranged below the rubber water stop, the rubber water stop is prone to being damaged in the using process, sundries can be prone to falling off and rainwater can permeate into the expansion joint, and the expansion joint is prone to being blocked.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a sinusoidal bridge expansion joint.

In order to solve the technical problem, the utility model discloses a technical scheme be: a sinusoidal bridge expansion joint, comprising: the bridge comprises a cover plate, a gap, a plurality of supporting beams and a plurality of anchoring reinforcing steel bars, wherein the plurality of anchoring reinforcing steel bars are symmetrically arranged in a bridge body at two sides of the gap, the supporting beams are vertically arranged, the supporting beams correspond to the anchoring reinforcing steel bars one to one, one ends of the anchoring reinforcing steel bars penetrate through the supporting beams and are fastened through two nuts, a supporting plate is fixed at the upper end of each supporting beam, and the supporting plates are horizontally arranged;

the cover plate comprises a first cover plate and a second cover plate, opposite surfaces of the first cover plate and the second cover plate are in a wave shape and are in contact clamping with each other, the first cover plate and the second cover plate cover the gap, a circular through hole A is formed in one end, away from the second cover plate, of the first cover plate, a rectangular through hole is formed in one end, away from the first cover plate, of the second cover plate, a rubber block is arranged in the rectangular through hole, a circular through hole B is formed in the center of the rubber block, bolts are arranged in the circular through hole A and the circular through hole B, and the first cover plate and the second cover plate are connected with the support plate through the bolts;

and a bearing plate is arranged at the lower part of the gap.

Preferably, the outer wall of the rubber block is attached to the inner wall of the rectangular through hole, and the top end of the bolt and the top surface of the rubber block are flush with the top surface of the second cover plate.

Preferably, a plurality of rectangular through holes are arranged at intervals along the extending direction of the second cover plate.

Preferably, a waterproof rubber belt is arranged above the bearing plate, mounting blocks are arranged at two ends of the waterproof rubber belt, and a cavity is formed inside each mounting block.

Preferably, the number of the supporting plates is two, the two supporting plates are arranged on two sides of the gap, each supporting plate comprises a plurality of fixing teeth and a connecting strip, the fixing teeth are arranged at intervals, and the fixing teeth are fixed on the connecting strip.

Preferably, the lower portion of the support beam is embedded in the bridge body.

Compared with the prior art, the utility model beneficial effect who has is:

1. the utility model adopts the bearing plate, the bearing plate is arranged at the lower end of the waterproof rubber belt, which can effectively prevent the waterproof rubber belt from falling into excessive rainwater sundries which are difficult to bear and fall off and damage due to long-time use, and the bearing plate can provide supporting force for the waterproof rubber belt; the fixed teeth are arranged on the connecting strip at intervals, so that the expansion joint can be displaced when being used for a long time, and the fixed teeth arranged at intervals can displace the expansion joint and can be embedded or expanded in a staggered manner.

2. The utility model discloses a first apron and second apron to wave and the mutual contact clamp are personally submitted to the relative of first apron and second apron, and the deformation requirement of adaptable bridge expansion joint avoids long-time vehicle to travel, makes the apron atress, causes the problem of the easy pressurized perk of one end of expansion joint skew, apron.

3. The utility model discloses a supporting beam, backup pad and anchor reinforcing bar can realize quick installation, when long-time use need change the subassembly, also can realize dismantling fast to reduce the time that the bridge floor blockaded.

4. The utility model discloses an establish the rectangle through-hole on the second apron, establish the block rubber in the rectangle through-hole, locate the construction bolt at the center of block rubber, second apron through-hole bolt links to each other with the backup pad, and the top of bolt and block rubber flushes with the top surface of second apron, and when the pontic of gap both sides takes place the displacement, through the skew of observing the bolt, can know the direction and the degree of displacement, assesses the security of bridge.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the supporting plate of the present invention;

fig. 4 is an enlarged schematic view of fig. 1A according to the present invention.

In the figure: 1 is the gap, 2 is a supporting beam, 3 is the anchor reinforcing bar, 4 is the backup pad, 5 is first apron, 6 is the second apron, 7 is circular through-hole A, 8 is the rectangle through-hole, 9 is the rubber block, 10 is circular through-hole B, 11 is the bearing board, 111 is fixed tooth, 112 is the connecting strip, 12 is the waterproof rubber area, 13 is the installation piece.

Detailed Description

As shown in fig. 1-4, a sinusoidal bridge expansion joint, comprising: the bridge comprises cover plates, a gap 1, a supporting beam 2 and a plurality of anchoring reinforcing steel bars 3, wherein the plurality of anchoring reinforcing steel bars 3 are symmetrically arranged in a bridge body on two sides of the gap 1, the supporting beam 2 is vertically arranged, the supporting beam 2 corresponds to the anchoring reinforcing steel bars 3 one by one, one end of each anchoring reinforcing steel bar 3 penetrates through the supporting beam 2 and is fastened through two nuts, a supporting plate 4 is fixed at the upper end of the supporting beam 2, and the supporting plate 4 is horizontally arranged;

the cover plate comprises a first cover plate 5 and a second cover plate 6, the opposite surfaces of the first cover plate 5 and the second cover plate 6 are in a wave shape and are in contact clamping with each other, the first cover plate 5 and the second cover plate 6 cover the gap 1, a circular through hole A7 is formed in one end, away from the second cover plate 6, of the first cover plate 5, a rectangular through hole 8 is formed in one end, away from the first cover plate 5, of the second cover plate 6, a rubber block 9 is arranged in the rectangular through hole 8, a circular through hole B10 is formed in the center of the rubber block 9, bolts are arranged in the circular through hole A7 and the circular through hole B10, and the first cover plate 5 and the second cover plate 6 are connected with the support plate 4 through the bolts;

the lower part of the gap 1 is provided with a bearing plate 11.

Preferably, the outer wall of the rubber block 9 is attached to the inner wall of the rectangular through hole 8, and the top end of the bolt and the top end of the rubber block 9 are flush with the top surface of the second cover plate 6.

Preferably, a plurality of the rectangular through holes 8 are arranged at intervals along the extending direction of the second cover plate 6.

Preferably, a waterproof rubber belt 12 is arranged above the bearing plate 11, mounting blocks 13 are arranged at two ends of the waterproof rubber belt 12, and a cavity is formed inside each mounting block 13.

Preferably, two supporting plates 11 are arranged on two sides of the gap 1, the supporting plates 11 include fixing teeth 111 and a connecting bar 112, the fixing teeth 111 are arranged in a plurality, the fixing teeth 111 are arranged at intervals, and the fixing teeth 111 are fixed on the connecting bar 112.

Preferably, the lower part of the support beam 2 is embedded in the bridge.

The utility model discloses a theory of operation does: firstly, connecting an anchoring steel bar with a support beam through two nuts, then covering a first cover plate and a second cover plate on a gap, connecting the first cover plate and the second cover plate with a support plate through bolts, realizing rapid assembly, wherein the opposite surfaces of the first cover plate and the second cover plate are in a wave shape and are mutually contacted and clamped, and when the requirement of deformation of a bridge expansion joint is met, the expansion joint is prevented from deviating due to long-time vehicle driving, and one end of the cover plate is easy to press and tilt; the bearing plate is positioned at the lower end of the waterproof rubber belt, so that the phenomenon that excessive rainwater sundries falling into the waterproof rubber belt are difficult to bear and fall off and damage due to long-time use can be effectively prevented, and the bearing plate can provide supporting force for the waterproof rubber belt; the rectangle through-hole that the interval set up on the second apron establishes the block rubber in the rectangle through-hole, locates the construction bolt at the center of block rubber, and second apron through-hole bolt links to each other with the backup pad, and the top of bolt and block rubber flushes with the top surface of second apron, and when the pontic of gap both sides took place the displacement, through the skew of observing the bolt, can know the direction and the degree of displacement.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A sinusoidal bridge expansion joint, comprising: the bridge comprises cover plates, a gap (1), a supporting beam (2) and anchoring reinforcing steel bars (3), wherein the anchoring reinforcing steel bars (3) are arranged in a plurality of numbers, the anchoring reinforcing steel bars (3) are symmetrically arranged in bridge bodies on two sides of the gap (1), the supporting beam (2) is vertically arranged, the supporting beam (2) and the anchoring reinforcing steel bars (3) are in one-to-one correspondence, one end of each anchoring reinforcing steel bar (3) penetrates through the supporting beam (2) and is fastened through two nuts, a supporting plate (4) is fixed at the upper end of each supporting beam (2), and the supporting plate (4) is horizontally arranged;

the cover plate comprises a first cover plate (5) and a second cover plate (6), the opposite surfaces of the first cover plate (5) and the second cover plate (6) are wavy and are clamped in a mutual contact manner, the first cover plate (5) and the second cover plate (6) cover the gap (1), a circular through hole A (7) is formed in one end, away from the second cover plate (6), of the first cover plate (5), a rectangular through hole (8) is formed in one end, away from the first cover plate (5), of the second cover plate (6), a rubber block (9) is arranged in the rectangular through hole (8), a circular through hole B (10) is formed in the center of the rubber block (9), bolts are arranged in the circular through hole A (7) and the circular through hole B (10), and the first cover plate (5) and the second cover plate (6) are connected with the support plate (4) through bolts;

and a bearing plate (11) is arranged at the lower part of the gap (1).

2. The sinusoidal bridge expansion joint according to claim 1, wherein the outer wall of the rubber block (9) is attached to the inner wall of the rectangular through hole (8), and the top end of the bolt and the rubber block (9) are flush with the top surface of the second cover plate (6).

3. The sinusoidal bridge expansion joint according to claim 1, wherein several rectangular through holes (8) are provided at intervals along the extension direction of the second cover plate (6).

4. The sinusoidal bridge expansion joint according to claim 1, wherein a waterproof rubber belt (12) is disposed above the bearing plate (11), mounting blocks (13) are disposed at both ends of the waterproof rubber belt (12), and a cavity is disposed inside the mounting blocks (13).

5. The sinusoidal bridge expansion joint according to claim 1, wherein there are two supporting plates (11), two supporting plates (11) are disposed on two sides of the gap (1), the supporting plates (11) comprise fixing teeth (111) and connecting bars (112), the fixing teeth (111) are disposed in a plurality at intervals, and the fixing teeth (111) are fixed on the connecting bars (112).

6. A sinusoidal bridge expansion joint according to claim 2, characterized in that the lower part of the support beam (2) is embedded in the bridge body.