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CN-224227641-U - Bridge expansion joint

CN224227641UCN 224227641 UCN224227641 UCN 224227641UCN-224227641-U

Abstract

The utility model discloses a bridge expansion joint, which relates to the technical field of bridge connection and comprises a first comb plate, wherein one side of the first comb plate is meshed and abutted with a second comb plate, the first comb plate and the second comb plate are connected with each other through round head rivets, connecting structures are arranged below the first comb plate and the second comb plate, adjusting structures are arranged on the connecting structures, cleaning structures are clamped between the bottoms of the first comb plate and the second comb plate and the connecting structures, the bridge expansion joint is convenient for the bridge deformation caused by the integral adaptation of the structures to environmental changes through the matching of the connecting structures and the adjusting structures, the practicability is improved, the expansion capacity of the bridge gap is realized, water flow can be sprayed out from the lower part of the gap of a device through the cleaning structures, so that sundries accumulated in the gap of the device are washed, the service life of the device is prolonged, the bridge deck is efficiently cleaned and maintained, and the problem of excessive sundries accumulated in the existing expansion joint in the deformation process is finally solved.

Inventors

  • ZHANG HONGJUN
  • ZHAO XIUMEI
  • ZHENG XINGLONG

Assignees

  • 衡水亚特工程橡胶有限责任公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (6)

  1. 1. The bridge expansion joint comprises a first comb plate (1) and is characterized in that one side of the first comb plate (1) is in meshing butt joint with a second comb plate (2), streamline meshing teeth are formed on the first comb plate (1) and the second comb plate (2) and are connected with each other through round head rivets (3), connecting structures are arranged below the first comb plate (1) and the second comb plate (2), adjusting structures are arranged on the connecting structures, and cleaning structures are arranged between the bottom surfaces of the first comb plate (1) and the second comb plate (2) and the connecting structures in a clamping mode.
  2. 2. The bridge expansion joint according to claim 1, wherein the cleaning structure comprises a runner plate (4), one side of the top surface of the runner plate (4) is fixedly connected to the bottom surface of the second comb plate (2) through round head rivets (3), the other side surface of the runner plate (4) extends beyond the meshing gaps of the first comb plate (1) and the second comb plate (2) and abuts against the bottom surface of the first comb plate (1), and the first comb plate (1), the second comb plate (2) and the runner plate (4) form a horizontal whole.
  3. 3. The bridge expansion joint according to claim 2, wherein a plurality of threaded connectors (11) are fixedly connected to the side surface of the runner plate (4) below the second comb plate (2) at equal intervals, a water runner (12) is arranged at the position where the runner plate (4) is matched with the plurality of threaded connectors (11), and the water runner (12) vertically penetrates through the top surface of the runner plate (4) upwards in a turning mode below the meshing gaps of the first comb plate (1) and the second comb plate (2).
  4. 4. The bridge expansion joint according to claim 1, wherein the connecting structure comprises bending plates (5), the top surfaces of the bending plates (5) are symmetrically and fixedly connected to the bottom surfaces of the first comb plate (1) and the second comb plate (2), waterproof plates (6) are installed and connected between the bending plates (5), and the waterproof plates (6) are of W-shaped folding structures and are made of hydrophobic flexible materials.
  5. 5. The bridge expansion joint according to claim 4, wherein a plurality of reinforcing plates (7) are vertically fixedly connected to the inner side surface of the bending plate (5) at equal intervals, the reinforcing plates (7) and the bending plate (5) form a triangular stable structure, a plurality of connecting anchor bars (8) are fixedly connected to the inner side top surface of the bending plate (5) at equal intervals, and the connecting anchor bars (8) are embedded in bridge body concrete.
  6. 6. The bridge expansion joint according to claim 1, wherein the adjusting structure comprises supporting rod sleeves (9), the supporting rod sleeves (9) are equidistantly and horizontally installed and connected on the bending plate (5), supporting rods (10) are connected between the supporting rod sleeves (9) in a sliding mode, and the supporting rods (10) are limited to be separated through limiting sheets.

Description

Bridge expansion joint Technical Field The utility model relates to the technical field of bridge connection, in particular to a bridge expansion joint. Background The bridge expansion joint is an important component part in a bridge structure and is mainly used for adapting to longitudinal or transverse displacement of a bridge caused by factors such as temperature change, concrete shrinkage creep, load action or earthquake and the like to ensure bridge safety and travelling comfort, the existing bridge expansion joint structure is various in types, a large amount of sundries are accumulated in gaps at joints of most structures in the deformation process, the joints of the structures are worn, the gap size is finally increased, parts below the structures are corroded, and the service life of the structures is greatly reduced. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a bridge expansion joint. In order to achieve the purpose, the bridge expansion joint adopts the following technical scheme that the bridge expansion joint comprises a first comb plate, one side of the first comb plate is in meshing butt joint with a second comb plate, streamline meshing teeth are formed on the first comb plate and the second comb plate and are connected with each other through round head rivets, connecting structures are arranged below the first comb plate and the second comb plate, adjusting structures are arranged on the connecting structures, and cleaning structures are clamped between the bottoms of the first comb plate and the second comb plate and the connecting structures. Preferably, the cleaning structure comprises a runner plate, one side of the top surface of the runner plate is fixedly connected to the bottom surface of the second comb plate through round head rivets, the other side of the runner plate extends beyond the meshing gaps of the first comb plate and the second comb plate and is abutted to the bottom surface of the first comb plate, and the first comb plate, the second comb plate and the runner plate form a horizontal whole. Preferably, the side of the runner plate below the second comb plate is fixedly connected with a plurality of threaded connectors at equal intervals, a water runner is arranged at the position of the runner plate matched with the plurality of threaded connectors, and the water runner vertically penetrates through the top surface of the runner plate upwards in a turning mode below the meshing gaps of the first comb plate and the second comb plate. Preferably, the connection structure comprises a bending plate, the top surfaces of the bending plates are symmetrically and fixedly connected to the bottom surfaces of the first comb plate and the second comb plate, a waterproof plate is installed and connected between the bending plates, and the waterproof plate is of a W-shaped folding structure and made of a hydrophobic flexible material. Preferably, a plurality of reinforcing plates are vertically fixedly connected to the inner side surface of the bending plate at equal intervals, the reinforcing plates and the bending plate form a triangular stable structure, a plurality of connecting anchor bars are fixedly connected to the inner side top surface of the bending plate at equal intervals, and the connecting anchor bars are embedded in bridge body concrete. Preferably, the adjusting structure comprises supporting rod sleeves, the supporting rod sleeves are horizontally installed and connected on the bending plate at equal intervals, supporting rods are connected between the supporting rod sleeves in a sliding mode, and the supporting rods are limited to be separated through limiting pieces. Compared with the prior art, the bridge expansion joint has the beneficial effects that the bridge expansion joint is convenient for the whole structure to adapt to bridge deformation caused by environmental change through the matching of the connecting structure and the adjusting structure, the practicability is improved, the expansion capability of a bridge gap is realized, water flow can be sprayed upwards from the lower part of the device gap through the cleaning structure, so that sundries accumulated in the device gap are washed, the service life of the device is prolonged, the bridge deck maintenance capability is realized, and the problem of excessive abrasion caused by excessive sundries accumulated in the deformation process of the existing expansion joint is finally solved. Drawings The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings: FIG. 1 is a perspective view showing the overall appearance of a structure according to the presen