CN220079724U - Connection structure of bridge expansion joint - Google Patents

Abstract

The utility model relates to a connecting structure of a bridge expansion joint, which belongs to the technical field of expansion joints and comprises a bottom part, an expansion joint main body, a sealing component and connecting pieces, wherein the bottom part is arranged at the bottom of the expansion joint main body, a notch is arranged on the expansion joint main body, the connecting pieces are arranged in the notch, the expansion joint main body is symmetrically arranged in a gap of a bridge through the bottom part, the sealing component is connected with the connecting pieces on the two expansion joint main bodies which are symmetrically arranged, the sealing component comprises sealing strips and clamping pieces, the clamping pieces are clamped in the notch, the sealing strips are connected with the clamping pieces, the connecting piece is used in the gap between the bridge main bodies, and the sealing pieces are used for sealing, so that rainwater is discharged outwards from two ends of the sealing pieces, the welding part at the bottom of the expansion joint is prevented from being corroded by the rainwater for a long time, the sealing pieces are clamped in the notch to be stable, a certain sliding distance threshold value is provided, and when the gap of the bridge is changed, the requirements can be met, and the sealing pieces are prevented from being broken.

Description

Connection structure of bridge expansion joint

Technical Field

The utility model belongs to the technical field of expansion joints, and particularly relates to a connecting structure of a bridge expansion joint.

Background

The bridge expansion joint is a spliced bridge joint for meeting the requirement of bridge deck deformation, and is generally arranged at the hinge position of a bridge or between two beam ends, between the beam ends and a bridge abutment, and is used for adjusting as required, but the common bridge expansion joint does not have a sealing function, and when meeting rainy weather, the bridge expansion joint is easy to permeate water, so that the use of the bridge expansion joint can be affected to a certain extent.

Sealing is usually carried out by adopting a sealing strip, but the expansion joint is changed along with the seasonal change, and the long-term change can lead the connection of the sealing element to be unstable and easy to fall off.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problems that the existing bridge is unstable in connection and easy to fall off due to the fact that gaps of the bridge are changed.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a connecting structure of a bridge expansion joint, which comprises a bottom part, an expansion joint main body, a sealing component and a connecting piece, wherein the bottom part is arranged at the bottom of the expansion joint main body, a notch is arranged on the expansion joint main body, the connecting piece is arranged in the notch, the expansion joint main body is symmetrically arranged in a gap of a bridge through the bottom part, the sealing component is connected with the connecting pieces on the two expansion joint main bodies which are symmetrically arranged, the sealing component comprises a sealing strip and a clamping piece, the clamping piece is clamped in the notch, and the sealing strip is connected with the clamping piece.

Preferably, the clamping piece comprises a connecting plate and a winding shaft, one side of the winding shaft is connected with the connecting plate, the connecting plate is provided with an inlet and an outlet, and the sealing strip is inserted from the inlet and the outlet to bypass the winding shaft and penetrate from the outlet.

Preferably, the expansion joint main body is of a T-shaped structure, the bottom of the expansion joint main body is arranged on the bottom part, and the notch is positioned at the upper part of the expansion joint main body.

Preferably, the winding shaft of the clamping piece is provided with an arc notch, the connecting piece is provided with a bending through hole, the connecting piece is of a cylindrical structure and is embedded into the arc notch, and the sealing strip penetrates through the bending through hole.

Preferably, the bottom part comprises a bottom plate and a welding rod, the bottom plate is arranged at the bottom of the expansion joint main body, the welding rod is arranged on the bottom plate, and the welding rod is in welded connection with a metal rod reserved on the bridge.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the connecting structure of the bridge expansion joint is used in gaps among bridge main bodies to form connection, wherein the sealing piece is sealed, so that rainwater is discharged outwards from two ends of the sealing piece, the welding position at the bottom of the expansion joint is prevented from being corroded by the rainwater for a long time, the sealing piece is clamped in the notch to be stable, a certain sliding distance threshold value is provided, and when the bridge gaps change, the requirements can be met, and the sealing piece is prevented from being broken.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a bridge expansion joint connection structure according to the present utility model;

FIG. 2 is a schematic structural view of a seal assembly of a bridge expansion joint connection structure according to the present utility model;

fig. 3 is a schematic structural view of a bending through hole of a connection structure of a bridge expansion joint according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a bottom member;

200. an expansion joint main body; 210. a notch;

300. a seal assembly; 310. a sealing strip; 320. a clamping piece; 321. a connecting plate; 322. winding a shaft; 323. an arc-shaped notch;

400. a connecting piece; 410. bending the through hole.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1-3, a bridge expansion joint connection structure of this embodiment includes a bottom member 100, an expansion joint main body 200, a sealing assembly 300 and a connecting piece 400, the bottom member 100 is installed at the bottom of the expansion joint main body 200, a notch 210 is provided on the expansion joint main body 200, the connecting piece 400 is installed in the notch 210, the expansion joint main body 200 is symmetrically installed in the gap of the bridge through the bottom member 100, the sealing assembly 300 is connected with the connecting pieces 400 on the two expansion joint main bodies 200 which are symmetrically installed, the sealing assembly 300 includes a sealing strip 310 and a clamping piece 320, the clamping piece 320 is clamped in the notch 210, the sealing strip 310 is connected with the clamping piece 320, the structure of this design is used in the gap between the bridge main bodies to form a connection, wherein the sealing piece seals, so that rainwater is discharged outwards from two ends of the sealing piece, the welding position of the expansion joint bottom is prevented from being corroded by rainwater for a long time, the sealing piece is clamped in the notch 210 to be stable, and a certain sliding distance threshold is provided, when the bridge gap changes, the requirement can be met, and the sealing piece is prevented from being broken.

The fastener 320 of this embodiment includes a connecting plate 321 and a winding shaft 322, one side of the winding shaft 322 is connected with the connecting plate 321, an inlet and an outlet are provided on the connecting plate 321, the sealing strip 310 is inserted from the inlet and the outlet to bypass the winding shaft 322 and is penetrated from the outlet, when the distance between the expansion joint main bodies 200 is changed, the bending degree of the sealing element is also changed, but the whole sealing property is kept unchanged.

The expansion joint main body 200 of the present embodiment has a T-shaped structure, the bottom of which is mounted on the bottom member 100, and the notch 210 is located at the upper portion of the expansion joint main body 200.

The winding shaft 322 of the clamping piece 320 of the embodiment is provided with an arc notch 323, the connecting piece 400 is provided with a bending through hole 410, the connecting piece 400 is of a cylindrical structure and is embedded into the arc notch 323, the sealing strip 310 passes through the bending through hole 410, the designed structure improves the friction force of the sealing strip 310 caused by the change of the distance between the expansion joint main bodies 200, namely when the distance is increased, the expansion joint main bodies 200 which are mutually displaced pull the sealing strip 310, and the part of the sealing strip 310 between the two expansion joint main bodies 200 is changed from original large bending to small bending. In order to prevent the unilateral sealing strip 310 from being pulled and slid unilaterally, the connecting piece 400 is arranged, the connecting piece 400 is clamped in the arc-shaped notch 323, when the sealing strip 310 is stressed to displace, the resistance is increased due to the clamping of the bending through hole 410 and the connecting piece 400, and the part of the sealing strip 310 between the two expansion joint main bodies 200 is forced to be changed from original large bending to small bending.

The bottom member 100 of this embodiment includes a bottom plate installed at the bottom of the expansion joint body 200 and a welding rod installed on the bottom plate, the welding rod being welded with a metal rod reserved on the bridge.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. A connection structure of bridge expansion joint, its characterized in that: including bottom part (100), expansion joint main part (200), seal assembly (300) and connecting piece (400), the bottom of expansion joint main part (200) is installed to bottom part (100), be equipped with notch (210) on expansion joint main part (200), connecting piece (400) are installed in notch (210), expansion joint main part (200) are installed in the gap of bridge through bottom part (100) symmetry, seal assembly (300) connect connecting piece (400) on two expansion joint main parts (200) of symmetry installation, seal assembly (300) include sealing strip (310) and fastener (320), fastener (320) card is in notch (210), sealing strip (310) are connected with fastener (320).

2. The bridge expansion joint connection structure according to claim 1, wherein: the clamping piece (320) comprises a connecting plate (321) and a winding shaft (322), one side of the winding shaft (322) is connected with the connecting plate (321), an inlet and an outlet are formed in the connecting plate (321), and the sealing strip (310) is inserted from the inlet and the outlet, bypasses the winding shaft (322) and penetrates out from the outlet.

3. The bridge expansion joint connection structure according to claim 1, wherein: the expansion joint main body (200) is of a T-shaped structure, the bottom of the expansion joint main body is arranged on the bottom part (100), and the notch (210) is positioned at the upper part of the expansion joint main body (200).

4. The bridge expansion joint connection structure according to claim 1, wherein: the novel sealing device is characterized in that an arc notch (323) is formed in a winding shaft (322) of the clamping piece (320), a bending through hole (410) is formed in the connecting piece (400), the connecting piece (400) is of a cylindrical structure and is embedded into the arc notch (323), and the sealing strip (310) penetrates through the bending through hole (410).

5. The bridge expansion joint connection structure according to claim 1, wherein: the bottom part (100) comprises a bottom plate and a welding rod, wherein the bottom plate is arranged at the bottom of the expansion joint main body (200), the welding rod is arranged on the bottom plate, and the welding rod is in welded connection with a metal rod reserved on a bridge.