CN212200041U

CN212200041U - Public road bridge roof beam expansion joint

Info

Publication number: CN212200041U
Application number: CN201922000264.8U
Authority: CN
Inventors: 张奇; 周倩兰; 向永红
Original assignee: Hunan Nita Construction Development Co ltd
Current assignee: Hunan Nita Construction Development Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-12-22
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a public road bridge roof beam expansion joint, include: a first bridge; a second bridge; the sealing plate is arranged at the bottom end of a gap between the first bridge and the second bridge; the telescopic mechanism is arranged in the middle of the gap between the first bridge and the second bridge. The expansion joint of the highway bridge is provided with the expansion mechanism, and the expansion joint is connected through the second springs among the expansion links, so that the shock resistance and the flexible deformation applicability can be effectively solved, and the impact force on the bridge in each direction can be buffered; can protect telescopic machanism through the buffering area, the practicality is strong.

Description

Public road bridge roof beam expansion joint

Technical Field

The utility model relates to an expansion joint technical field specifically is a public road bridge roof beam expansion joint.

Background

The expansion joint is a structural joint arranged at a proper position along the construction joint direction of the building or the structure for preventing the structure from generating cracks or damage due to the change of the climate and temperature, and the expansion joint divides the building components above the foundation, such as a wall body, a floor slab, a roof and the like, into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction;

the current bridge expansion joint carries out horizontal antidetonation through two relative lugs, and at that time, the pressure that the bridge received is many-sided, consequently only take precautions against earthquakes to the pressure in unilateral and be far from not enough, and in addition, highway bridge expansion joint is receiving the long-time rolling of vehicle, makes the bolt on surface not hard up very easily, not only can produce the noise, still can endanger people's safety, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway bridge expansion joint to solve the unable problem of adjusting diversified shock resistance of prior art's highway bridge expansion joint at least.

In order to achieve the above object, the utility model provides a following technical scheme: a highway bridge expansion joint, comprising:

a first bridge;

a second bridge;

the sealing plate is arranged at the bottom end of a gap between the first bridge and the second bridge;

the telescopic mechanism is arranged in the middle of the gap between the first bridge and the second bridge.

Preferably, the telescopic mechanism includes: the number of the first connecting blocks is multiple, and the multiple first connecting blocks are arranged on the inner wall of the first bridge along the horizontal direction; the first spring is arranged on the inner wall of the inner cavity of the first connecting block; one end of the supporting rod is arranged in the inner cavity of the first connecting block; a plurality of second connecting blocks are arranged on the inner wall of the second bridge along the horizontal direction, and the other ends of the supporting rods are arranged on the inner wall of the second connecting blocks; the number of the telescopic rods is multiple, and the plurality of telescopic rods are arranged at the top end of the supporting rod; the bottom end of the telescopic rod is provided with a fixed block; and one end of the second spring is arranged at the bottom end of one fixed block, and the other end of the second spring is arranged at the bottom end of the adjacent fixed block.

Preferably, a buffer belt is arranged at the top end of the telescopic mechanism.

Preferably, the telescopic rod is fixed on the support rod through a bolt.

Preferably, the sealing plate is T-shaped.

Preferably, one end of the supporting rod is in sliding connection with the inner cavity of the first connecting block.

Compared with the prior art, the beneficial effects of the utility model are that: the expansion joint of the highway bridge is provided with the expansion mechanism, and the expansion joint is connected through the second springs among the expansion links, so that the shock resistance and the flexible deformation applicability can be effectively solved, and the impact force on the bridge in each direction can be buffered; can protect telescopic machanism through the buffering area, the practicality is strong.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the connection structure of the telescopic rod of FIG. 1;

fig. 3 is an exploded view of the support rod of fig. 1.

In the figure: 1. the device comprises a first bridge, a second bridge, a third bridge, a fourth bridge, a fifth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a highway bridge expansion joint, comprising: the bridge structure comprises a first bridge 1, a second bridge 2, a sealing plate 3 and a telescopic mechanism 5, wherein the sealing plate 3 is arranged at the bottom end of a gap between the first bridge 1 and the second bridge 2; the telescopic mechanism 5 is arranged in the middle of a gap between the first bridge 1 and the second bridge 2.

Preferably, the telescopic mechanism 5 further comprises: the bridge comprises a first connecting block 51, a first spring 52, a supporting rod 53, a second connecting block 54, an expansion rod 55, a fixing block 56 and a second spring 57, wherein the number of the first connecting blocks 51 is multiple, and the multiple first connecting blocks 51 are arranged on the inner wall of the first bridge 1 along the horizontal direction; the first spring 52 is arranged on the inner wall of the inner cavity of the first connecting block 51; one end of the support rod 53 is arranged in the inner cavity of the first connecting block 51; the number of the second connecting blocks 54 is multiple, the second connecting blocks 54 are arranged on the inner wall of the second bridge 2 along the horizontal direction, and the other ends of the supporting rods 53 are arranged on the inner wall of the second connecting blocks 54; the number of the telescopic rods 55 is multiple, and the telescopic rods 55 are arranged at the top ends of the supporting rods 53; a fixed block 56 is arranged at the bottom end of the telescopic rod 55; one end of the second spring 57 is arranged at the bottom end of one fixing block 56, and the other end of the second spring 57 is arranged at the bottom end of the adjacent fixing block 56.

Preferably, a buffer belt 4 is further provided at the top end of the telescopic mechanism 5 to reduce noise and protect the telescopic mechanism 5.

Preferably, the telescopic rod 55 is fixed to the support rod 53 by a bolt 6.

Preferably, the sealing plate 3 is T-shaped.

Preferably, one end of the support rod 53 is slidably connected to the inner cavity of the first connecting block 51.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

The first spring 52 is arranged in the first connecting block 51, so that the impact on the first connecting block 51 can be reduced well, the supporting rod 53 can stretch and retract in a reciprocating manner when being subjected to pressure brought by a bridge, and the second spring 57 is arranged at the bottom end of the adjacent telescopic rod 55, so that the pressure in each direction can be better responded, and the bridge is protected firmly; the top end of the telescopic mechanism 5 is provided with the buffer belt 4, so that the telescopic mechanism 5 can be protected, noise is reduced, and the practicability is high.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A highway bridge expansion joint, comprising:

a first bridge (1);

a second bridge (2);

the sealing plate (3) is arranged at the bottom end of a gap between the first bridge (1) and the second bridge (2);

the telescopic mechanism (5) is arranged in the middle of a gap between the first bridge (1) and the second bridge (2).

2. A road bridge expansion joint according to claim 1, characterized in that said telescopic mechanism (5) comprises:

a plurality of first connecting blocks (51), wherein the number of the first connecting blocks (51) is multiple, and the plurality of first connecting blocks (51) are arranged on the inner wall of the first bridge (1) along the horizontal direction;

the first spring (52), the first spring (52) is arranged on the inner wall of the inner cavity of the first connecting block (51);

one end of the supporting rod (53) is arranged in the inner cavity of the first connecting block (51);

a plurality of second connecting blocks (54), wherein the number of the second connecting blocks (54) is multiple, the second connecting blocks (54) are arranged on the inner wall of the second bridge (2) along the horizontal direction, and the other ends of the supporting rods (53) are arranged on the inner wall of the second connecting blocks (54);

the number of the telescopic rods (55) is multiple, and the plurality of telescopic rods (55) are arranged at the top end of the supporting rod (53);

the fixing block (56) is arranged at the bottom end of the telescopic rod (55);

one end of the second spring (57) is arranged at the bottom end of one fixing block (56), and the other end of the second spring (57) is arranged at the bottom end of the adjacent fixing block (56).

3. A road bridge expansion joint according to claim 2, characterized in that the top end of the expansion mechanism (5) is provided with a buffer strip (4).

4. A road bridge expansion joint according to claim 3, wherein said expansion rods (55) are fixed to the support rods (53) by means of bolts (6).

5. A road bridge expansion joint according to claim 4, wherein said sealing plate (3) is T-shaped.

6. A road bridge expansion joint according to claim 5, wherein one end of the support rod (53) is slidably connected with the inner cavity of the first connecting block (51).