CN218969760U

CN218969760U - Dustproof steel expansion joint

Info

Publication number: CN218969760U
Application number: CN202320041899.6U
Authority: CN
Inventors: 啜明明; 刘路杨; 刘路平; 孙国辉; 陈凯
Original assignee: Hebei Juntu Metal Products Co ltd
Current assignee: Hebei Juntu Metal Products Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-05
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a dustproof steel expansion joint which comprises a steel section, a joint edge connecting groove, a positioning hole, a strip-shaped groove, a dustproof steel plate, a counter bore, a rubber strip block, a seepage drainage plate, a long bolt and a nut. The utility model has reasonable structure, the middle part of the dustproof steel plate is provided with the rubber strip block so as to facilitate the thermal expansion and contraction change of the strain expansion joint, the problem of serious deformation damage of the dustproof steel plate is avoided, the plurality of counter bores on the two sides of the dustproof steel plate are convenient to be connected with long bolts on the section steel, the dust and other impurities can be prevented from falling into the blocked expansion joint, the dustproof steel plate is in a V shape, and the dustproof steel plate has the structural performance of expanding towards the two sides and can be used for expansion joints with different widths.

Description

Dustproof steel expansion joint

Technical Field

The utility model relates to the technical field of bridge expansion joints, in particular to a dustproof steel expansion joint.

Background

Bridge expansion joint: it means that in order to meet the requirements of bridge deck deformation, expansion joints are usually arranged between two beam ends, between a beam end and a bridge abutment or at the hinge position of a bridge. The expansion joint is required to be freely telescopic in two directions parallel and perpendicular to the axis of the bridge, so that the expansion joint is firm and reliable, and the vehicle is smooth and free from sudden jump and noise when running.

The bridge expansion joint is internally blocked with impurities with different hardness such as accumulated dust, once the agglomeration is hardened, the effect of the expansion joint is seriously affected, and the difficulty of cleaning is also high. Therefore, a dustproof steel expansion joint is provided for the problems.

Disclosure of Invention

The utility model aims to solve the problems and provide a dustproof steel expansion joint.

The utility model realizes the aim through the following technical scheme that the dustproof steel expansion joint comprises steel sections, dustproof steel plates, leakage drain boards and long bolts, wherein a plurality of hemming connecting grooves are formed in one side of the steel sections at equal intervals, the hemming connecting grooves are communicated with each other through positioning holes, a strip-shaped groove is formed in the bottom of the other side of the steel sections, a plurality of long bolts are installed in the strip-shaped groove at equal intervals, the dustproof steel plates are located between two steel sections, a plurality of counter bores are formed in two sides of each dustproof steel plate at equal intervals, one ends of the long bolts located in the counter bores are in threaded fastening connection with nuts, and rubber strip blocks are arranged in the middle of each dustproof steel plate.

Preferably, the edge parts of the two sides of the dustproof steel plate are respectively positioned in the corresponding strip-shaped grooves.

Preferably, a seepage drainage plate is connected between the corresponding outer side walls of the steel section bottom and the dustproof steel plate.

Preferably, the section steel is fixedly connected with a plurality of prefabricated bump structures positioned at the corresponding edges of the bridge joint through the hemming connecting grooves, and the prefabricated bump structures are fixedly connected with the hemming connecting grooves through positioning connecting rods penetrating through the positioning holes.

Preferably, the seam edge connecting groove and the prefabricated bump structure at the corresponding edge of the bridge seam are in a mutually sealed state.

The beneficial effects of the utility model are as follows: the middle part of the dustproof steel plate is the rubber strip block so as to change the expansion with heat and contraction of the strain expansion joint, avoid the serious problem of deformation damage of the dustproof steel plate, facilitate long bolt connection with the section steel, prevent impurities such as dust from falling into the blocked expansion joint, and the dustproof steel plate is in a V shape, has the structural performance of expanding towards the two sides, and can be used for expansion joints with different widths.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

fig. 3 is a schematic view of the steel structure of the present utility model.

In the figure: 1. section steel; 11. hemming the connecting groove; 12. positioning holes; 13. a bar-shaped groove; 2. a dust-proof steel plate; 21. countersink; 22. rubber strips; 3. a weeping drain plate; 4. a long bolt; 5. and (5) a screw cap.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, a dustproof steel expansion joint comprises a steel section 1, a dustproof steel plate 2, a seepage drain plate 3 and long bolts 4, wherein a plurality of hemming connecting grooves 11 are formed in one side of the steel section 1 at equal intervals, the hemming connecting grooves 11 are communicated with each other through positioning holes 12, a strip-shaped groove 13 is formed in the bottom of the other side of the steel section 1, a plurality of long bolts 4 are arranged in the strip-shaped groove 13 at equal intervals, the dustproof steel plate 2 is positioned between the two steel sections 1, a plurality of counter bores 21 are formed in two sides of the dustproof steel plate 2 at equal intervals, one ends of the long bolts 4 positioned in the counter bores 21 are in threaded fastening connection with nuts 5, and a rubber strip 22 is arranged in the middle of the dustproof steel plate 2.

The edge parts of the two sides of the dustproof steel plate 2 are respectively positioned in the corresponding strip-shaped grooves 13; a seepage drainage plate 3 is connected between the bottom of the section steel 1 and the corresponding outer side wall of the dustproof steel plate 2; the section steel 1 is fixedly connected with a plurality of prefabricated bump structures positioned at the corresponding edges of the bridge joint through a joint edge connecting groove 11, and the prefabricated bump structures are fixedly connected with the joint edge connecting groove 11 through a positioning connecting rod passing through a positioning hole 12; the seam connecting groove 11 and the prefabricated bump structure at the corresponding edge of the bridge seam are in a mutually sealed state.

When the anti-dust steel plate is used, the side seam connecting grooves 11 and the positioning holes 12 are formed in one side of the steel section 1 at equal intervals, the anti-dust steel plate is convenient to be inserted and fixed with a prefabricated structure at the edge of the bridge seam, the positioning pin rod structure penetrates through the positioning holes 12 to finish reinforcing connection, the middle part of the anti-dust steel plate 2 is provided with the rubber strip block 22 so as to facilitate thermal expansion and cold contraction changes of strain expansion joints, the problem that the anti-dust steel plate 2 is seriously damaged due to deformation is avoided, the counter bores 21 on the two sides of the anti-dust steel plate 2 are convenient to be connected with the long bolts 4 on the steel section 1, dust and other impurities can be prevented from falling into the expansion joints to be blocked, the anti-dust steel plate 2 is in a V shape, and the anti-dust steel plate has structural performance of being unfolded towards the two sides and can be used for expansion joints with different widths.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a dustproof shaped steel expansion joint which characterized in that: including shaped steel (1), dustproof steel sheet (2), seepage drain bar (3) and stock (4), shaped steel (1) one side equidistance is provided with a plurality of hemming spread groove (11), and communicate each other through locating hole (12) between hemming spread groove (11), shaped steel (1) opposite side bottom is provided with bar groove (13), and a plurality of stock (4) are installed to the equidistance in bar groove (13), dustproof steel sheet (2) are located between two shaped steel (1), and dustproof steel sheet (2) both sides all equidistance are provided with a plurality of counter bores (21), stock (4) one end and nut (5) mutual screw thread fastening connection that are located counter bore (21), dustproof steel sheet (2) middle part is rubber strip piece (22).

2. The dustproof steel expansion joint according to claim 1, wherein: the edge parts of the two sides of the dustproof steel plate (2) are respectively positioned in the corresponding strip-shaped grooves (13).

3. The dustproof steel expansion joint according to claim 1, wherein: and a seepage drainage plate (3) is connected between the bottom of the section steel (1) and the corresponding outer side wall of the dustproof steel plate (2).

4. The dustproof steel expansion joint according to claim 1, wherein: the profile steel (1) is fixedly connected with a plurality of prefabricated lug structures positioned at the corresponding edges of the bridge joints through the hemming connecting grooves (11), and the prefabricated lug structures are fixedly connected with the hemming connecting grooves (11) through positioning connecting rods passing through positioning holes (12).

5. The dustproof steel expansion joint according to claim 1, wherein: the hemming connecting groove (11) and the prefabricated bump structure at the corresponding edge of the bridge hemming are in a mutually sealed state.