CN216947842U

CN216947842U - Highway bridge expansion joint device

Info

Publication number: CN216947842U
Application number: CN202220387219.1U
Authority: CN
Inventors: 巴鑫; 宋致科; 张菁; 孙俊崇; 赵胜利; 彭飞; 罗文健
Original assignee: Yunnan Branch Of Citic Construction Co ltd
Current assignee: Yunnan Branch Of Citic Construction Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-12
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a highway bridge expansion joint device, and relates to the field of highway engineering. This device includes drainage recess, rubber stuff, rubber apron and fixed subassembly, the drainage recess is located in the middle of the expansion joint, is equipped with support piece in the cavity of drainage recess, and the both sides limit outside of drainage recess is equipped with fixed subassembly, the drainage recess with be equipped with the rubber stuff between the fixed subassembly, fixed subassembly passes through concrete placement in expansion joint department, the rubber apron cover in the drainage recess with fixed subassembly's top, the both ends of rubber apron extend to concrete department, the rubber apron top flushes with bridge road surface, the surface of rubber apron is equipped with the recess, has seted up the through-hole on the recess and has communicated with each other with the drainage recess. The highway bridge expansion joint device can drain water at the expansion joint of the highway bridge, so that the problem of water accumulation is solved; on the other hand, the rubber plate can reduce the bumping and noise of the vehicle.

Description

Highway bridge expansion joint device

Technical Field

The utility model relates to the field of highway engineering, in particular to a highway bridge expansion joint device.

Background

At present, a bridge expansion joint is a bridge construction part in a highway construction process, and is a mounting structure required to be arranged in a gap formed between two circuit boards, and the bridge expansion joint can meet the requirement that a bridge deck deforms due to expansion caused by heat and contraction caused by cold. At present, the expansion joint is easy to accumulate water due to untimely drainage; and the shock absorption effect is poor, and the problem of easy looseness is solved. Aiming at the defects of the prior art, the utility model discloses a highway bridge pavement expansion joint device to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model discloses a highway bridge pavement expansion joint device, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a highway bridge expansion joint device, includes drainage groove, rubber stuff, rubber apron and fixed subassembly, drainage groove is located in the middle of the expansion joint, is equipped with support piece in drainage groove's the cavity, and the both sides limit outside of drainage groove is equipped with fixed subassembly, drainage groove with be equipped with the rubber stuff between the fixed subassembly, fixed subassembly passes through concrete placement in expansion joint department, rubber apron cover in drainage groove with fixed subassembly's top, rubber apron's both ends extend to concrete department, the rubber apron top flushes with bridge road surface, rubber apron's surface is equipped with the recess, has seted up the through-hole on the recess and has communicated with each other with drainage groove.

Furthermore, the supporting pieces are arranged in a plurality of numbers, and each supporting piece is uniformly distributed in the cavity direction of the drainage groove at equal intervals.

Furthermore, the supporting piece comprises a supporting rod and supporting disks fixed at two ends of the supporting rod, and the supporting disks are connected with the inner wall of the drainage groove.

Further, fixed subassembly includes supporting steel plate and fixed reinforcing bar, the supporting steel plate is located the outside of drainage recess, supporting steel plate and drainage recess size equal, have inlayed the rubber stuff between the two, are equipped with many even interval distribution's fixed reinforcing bar on the outside of supporting steel plate.

Furthermore, the supporting steel plate and the fixed steel bar are welded.

Further, the recess on the rubber apron surface includes many horizontal recesses and many vertical recesses, the through-hole sets up the cross department at horizontal recess and vertical recess.

Furthermore, two ends of the rubber cover plate are fixed above concrete through bolts, and waterproof fillers are filled between two side faces of the rubber cover plate and the concrete for sealing.

The utility model has the following beneficial effects:

1. this highway bridge road surface expansion joint device, can be through the installation of the drainage recess that sets up and rubber stuff strip and rubber cover plate, the realization is clogged the expansion joint department on highway bridge road surface, set up the vibrations and the noise that rubber cover plate can reduce the vehicle walking in-process on the one hand, on the other hand is provided with water passing recess and crosses the water gap and can carry out the drainage to the expansion joint department on highway bridge road surface, avoid leading to the phenomenon that the vehicle skidded because of ponding, guarantee safety, and the device's simple structure, installation convenient to use, user's demand can be satisfied.

2. This highway bridge road surface expansion joint device, a plurality of support piece set up can make the intensity of drainage groove increase, and each part atress supports evenly, and the support piece of setting can consolidate drainage groove pipe intracavity wall, when guaranteeing the drainage function, increases the support ability of drainage groove pipe chamber, guarantees the drainage and the support strength of device, consequently can guarantee the stability of device.

Drawings

FIG. 1: a cross-sectional view of the present invention;

FIG. 2: the utility model is a schematic diagram of the lower structure;

FIG. 3: the upper structure of the utility model is shown schematically;

FIG. 4: the supporting part of the utility model is a schematic view;

reference numbers in the figures: 1-drainage groove, 2-support disc, 3-support rod, 4-rubber plug strip, 5-support steel plate, 6-fixed steel bar, 7-rubber cover plate, 8-bolt and 9-waterproof filler.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Example 1: as shown in fig. 1-4, an expressway bridge expansion joint device comprises a drainage groove 1, a rubber plug strip 4, a rubber cover plate 7 and a fixing component, wherein the drainage groove 1 is located in the middle of the expansion joint, a supporting piece is arranged in a cavity of the drainage groove 1, the fixing component is arranged outside two side edges of the drainage groove 1, the rubber plug strip 4 is arranged between the drainage groove 1 and the fixing component, the fixing component is poured at the expansion joint through concrete, the rubber cover plate 7 covers the drainage groove 1 and the top of the fixing component, two ends of the rubber cover plate 7 extend to the concrete, the top of the rubber cover plate 7 is flush with the surface of a bridge pavement, a groove is arranged on the surface of the rubber cover plate 7, and a through hole is formed in the groove and communicated with the drainage groove 1.

The device is when using, can be through the installation of the drainage recess 1 and the rubber stuff 4 and the rubber apron 7 that set up, the realization is clogged the expansion joint department on highway bridge road surface, rubber apron 7 can keep away the vibrations and the noise that reduce the vehicle walking in-process on the one hand, on the other hand rubber apron 7 surface sets up recess and drainage recess 1 cross the water space and can carry out the drainage to the expansion joint department on highway bridge road surface, avoid leading to the phenomenon that the vehicle skidded because of ponding, guarantee safety, and the device's simple structure, installation convenient to use, can satisfy user's demand.

Example 2: the rest of this embodiment is the same as embodiment 1, and wherein support piece is equipped with a plurality ofly, and every support piece is followed the even equidistance distribution of drainage groove 1's cavity direction, as shown in fig. 4, support piece includes bracing piece 3 and fixes the support disc 2 at 3 both ends of bracing piece, support disc 2 links to each other with drainage groove 1 inner wall, and support piece can consolidate drainage groove lumen inner wall, and each part atress supports evenly, when guaranteeing the drainage function, increases the support capacity of drainage groove lumen, guarantees the drainage and the support intensity of device, guarantees the stability of whole device.

As shown in fig. 2, fixed subassembly includes supporting steel plate 5 and fixed reinforcing bar 6, supporting steel plate 5 is located drainage groove 1's the outside, supporting steel plate 5 and drainage groove 1 size equal, it has rubber stuff 4 to inlay between the two, the size of rubber stuff 4 also is unanimous with supporting steel plate 5 and drainage groove 1, be equipped with many even interval distribution's fixed reinforcing bar 6 on supporting steel plate 5's the outside, be the welding between supporting steel plate 5 and the fixed reinforcing bar 6, pour in expansion joint department through concrete, fix in the expansion joint through fixed reinforcing bar 6 promptly, fixed reinforcing bar 6 supports the supporting steel plate 5 of both sides, and then realize the support to rubber stuff 4 and drainage groove 1, drainage groove 1's bottom and bridge contact.

As shown in figure 3, the grooves in the surface of the rubber cover plate 7 comprise a plurality of transverse grooves and a plurality of longitudinal grooves, the through holes are formed in the intersection of the transverse grooves and the longitudinal grooves, accumulated water on the bridge deck enters the drainage grooves 1 through the through holes and is discharged, and rapid drainage can be achieved.

The two ends of the rubber cover plate 7 are fixed above concrete through bolts 8, and waterproof filler 9 is filled between the two side faces of the rubber cover plate 7 and the concrete for sealing, so that the stability and the sealing performance of the rubber cover plate 7 are ensured, and the stability of the whole device and the drainage and shock absorption performance of the device are ensured.

The principal features of the utility model and advantages of the utility model have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a highway bridge expansion joint device which characterized in that: including drainage recess (1), rubber stuff (4), rubber apron (7) and fixed subassembly, drainage recess (1) is located in the middle of the expansion joint, is equipped with support piece in the cavity of drainage recess (1), and the both sides limit outside of drainage recess (1) is equipped with fixed subassembly, drainage recess (1) with be equipped with rubber stuff (4) between the fixed subassembly, fixed subassembly passes through concrete placement in expansion joint department, rubber apron (7) cover in drainage recess (1) with the top of fixed subassembly, the both ends of rubber apron (7) extend to concrete department, rubber apron (7) top flushes with bridge road surface, the surface of rubber apron (7) is equipped with the recess, has seted up the through-hole on the recess and has communicated with each other with drainage recess (1).

2. The highway bridge expansion joint device according to claim 1, wherein: the supporting pieces are arranged in a plurality of numbers, and each supporting piece is uniformly distributed in the cavity direction of the drainage groove (1) at equal intervals.

3. A highway bridge expansion joint installation according to claim 1 or 2, wherein: the supporting piece comprises a supporting rod (3) and supporting discs (2) fixed at two ends of the supporting rod (3), and the supporting discs (2) are connected with the inner wall of the drainage groove (1).

4. The highway bridge expansion joint device of claim 1, wherein: fixed subassembly includes supporting steel plate (5) and fixed reinforcing bar (6), supporting steel plate (5) are located the outside of drainage recess (1), supporting steel plate (5) and drainage recess (1) size equal, have inlayed rubber stuff bar (4) between the two, are equipped with many even interval distribution's fixed reinforcing bar (6) on the outside of supporting steel plate (5).

5. The highway bridge expansion joint device of claim 4, wherein: the supporting steel plate (5) and the fixed steel bar (6) are welded.

6. The highway bridge expansion joint device according to claim 1, wherein: the grooves on the surface of the rubber cover plate (7) comprise a plurality of transverse grooves and a plurality of longitudinal grooves, and the through holes are formed in the intersections of the transverse grooves and the longitudinal grooves.

7. The highway bridge expansion joint device according to claim 1, wherein: two ends of the rubber cover plate (7) are fixed above concrete through bolts (8), and waterproof fillers (9) are filled between two side faces of the rubber cover plate (7) and the concrete for sealing.