CN218969760U - A dust-proof steel expansion joint - Google Patents

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

A dust-proof steel expansion joint

technical field

The utility model relates to the technical field of bridge expansion joints, in particular to a dust-proof type steel expansion joint.

Background technique

Bridge expansion joints: refers to the expansion joints usually set between two girder ends, between the girder end and abutment or at the hinged position of the bridge in order to meet the deformation requirements of the bridge deck. The expansion joints are required to be free to expand and contract in two directions parallel to and perpendicular to the bridge axis, firm and reliable, and the vehicles should run smoothly without sudden jumps and noises.

Impurities of different softness and hardness, such as dust, are blocked and accumulated in the bridge expansion joints. Once the agglomerates harden, it will seriously affect the effect of the expansion joints, and it is difficult to clean them up. Therefore, in view of the above problems, a dust-proof steel expansion joint is proposed.

Utility model content

The purpose of this utility model is to provide a dustproof steel expansion joint in order to solve the above problems.

The utility model achieves the above object through the following technical scheme, a dust-proof profiled steel expansion joint, including profiled steel, dust-proof steel plate, leakage drainage plate and long bolts, one side of the profiled steel is equidistantly provided with a plurality of seam connection grooves, and The seam connection grooves are connected to each other through positioning holes. There is a strip groove at the bottom of the other side of the profile steel, and a plurality of long bolts are equidistantly installed in the strip groove. The dust-proof steel plate is located between the two profile steel, and the dust-proof Both sides of the steel plate are equidistantly provided with a plurality of counterbore holes, one end of the long bolt located in the counterbore hole is screwed and fastened with the nut, and the middle part of the dust-proof steel plate is a rubber strip.

Preferably, the edge portions on both sides of the dust-proof steel plate are respectively located in the corresponding bar-shaped grooves.

Preferably, a seepage drainage plate is connected between the bottom of the shaped steel and the corresponding outer wall of the dustproof steel plate.

Preferably, the section steel is fixedly connected to a plurality of prefabricated bump structures located at the corresponding edge of the bridge seam through the seam connection groove, and the prefabricated bump structure and the seam connection groove are fixed to each other through the positioning hole through the positioning link connect.

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

The beneficial effects of the utility model are: the middle part of the dust-proof steel plate is made of rubber strips, so that the thermal expansion and contraction of the strain expansion joint can be changed, and the problem of serious deformation and damage of the dust-proof steel plate can be avoided. The hole is convenient to connect with the long bolts on the section steel, which can prevent impurities such as dust from falling into the expansion joint, and the dustproof steel plate is V-shaped, with the structural performance of expanding to both sides, and can be used for expansion joints of different widths.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the perspective view of the overall structure of the utility model;

Fig. 2 is the side view of the overall structure of the utility model;

Fig. 3 is a schematic diagram of the steel structure of the utility model.

In the figure: 1. Sectional steel; 11. Seam connection groove; 12. Positioning hole; 13. Strip groove; 2. Dust-proof steel plate; 21. Counterbore; 22. Rubber strip; , Long bolts; 5, Nuts.

Detailed ways

In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings in the utility model embodiment, Apparently, the embodiments described below are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a reference to the utility model. limits.

Please refer to Figure 1-3, a kind of dust-proof steel expansion joint, including steel 1, dust-proof steel plate 2, leakage drainage plate 3 and long bolt 4, one side of steel 1 is equidistantly provided with a plurality of seam connection grooves 11, and the seam connection grooves 11 are connected to each other through positioning holes 12, and the bottom of the other side of the profile steel 1 is provided with a strip groove 13, and a plurality of long bolts 4 are equidistantly installed in the strip groove 13, and the dustproof steel plate 2 It is located between two section steels 1, and both sides of the dust-proof steel plate 2 are equidistantly provided with a plurality of counterbores 21, one end of the long bolt 4 located in the counterbores 21 and the nut 5 are screwed and fastened to each other, and the middle part of the dust-proof steel plate 2 It is the rubber strip 22.

The edge parts on both sides of the dust-proof steel plate 2 are respectively located in the corresponding strip grooves 13; the bottom of the shaped steel 1 and the corresponding outer wall of the dust-proof steel plate 2 are connected to each other with a leakage drainage plate 3; the shaped steel 1 passes through the seam The side connection groove 11 is fixedly connected to a plurality of prefabricated bump structures located at the corresponding edge of the bridge seam, and the prefabricated bump structure and the seam edge connection groove 11 are fixedly connected to each other through the positioning hole 12 through the positioning link; the seam The side connecting groove 11 and the prefabricated bump structure located at the corresponding edge of the bridge seam are in a mutually sealed state.

When the utility model is in use, a plurality of side seam connecting grooves 11 and positioning holes 12 are equidistantly arranged on one side of the section steel 1, which is convenient for plugging and fixing with the prefabricated structure at the edge of the bridge seam, and uses the positioning pin structure to pass through the positioning Hole 12 completes the reinforced connection. The middle part of the dust-proof steel plate 2 is a rubber strip 22, so that the thermal expansion and contraction of the strain expansion joint can be changed, and the problem of serious deformation and damage to the dust-proof steel plate 2 can be avoided. A counterbore 21 is convenient to connect with the long bolt 4 on the section steel 1, which can prevent impurities such as dust from falling into the expansion joint, and the dustproof steel plate 2 is V-shaped, with the structural performance to expand to both sides, and can be used in different widths. The use of expansion joints.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of the required equivalent requirements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it still can Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model .

Claims (5)

1. A dust-proof section steel expansion joint, characterized in that: it includes section steel (1), dust-proof steel plate (2), seepage drainage plate (3) and long bolts (4), and one side of section steel (1) is equidistantly arranged There are a plurality of seam connection grooves (11), and the seam connection grooves (11) are connected to each other through positioning holes (12), and the bottom of the other side of the section steel (1) is provided with a strip groove (13), and the strip shape A plurality of long bolts (4) are equidistantly installed in the groove (13), the dust-proof steel plate (2) is located between the two section steels (1), and both sides of the dust-proof steel plate (2) are equidistantly provided with a plurality of counterbores (21), be positioned at the long bolt (4) one end in the counterbore (21) and the nut (5) screw fastening connection mutually, the dust-proof steel plate (2) middle part is rubber strip (22). 2. A dust-proof steel expansion joint according to claim 1, characterized in that: the edge portions on both sides of the dust-proof steel plate (2) are respectively located in the corresponding strip grooves (13). 3. A dust-proof profiled steel expansion joint according to claim 1, characterized in that: the bottom of the profiled steel (1) and the corresponding outer wall of the dust-proof steel plate (2) are connected to each other with a leakage drainage plate (3) . 4. A dust-proof profiled steel expansion joint according to claim 1, characterized in that: the profiled steel (1) interacts with a plurality of prefabricated bump structures located at the corresponding edges of the bridge joint through the seam edge connection groove (11) Fixedly connected, the prefabricated protrusion structure and the seam connection groove (11) are fixedly connected to each other through the positioning hole (12) through the positioning connecting rod. 5. A dust-proof steel expansion joint according to claim 1, characterized in that: the seam edge connecting groove (11) and the prefabricated bump structure located at the corresponding edge of the bridge joint are in a state of mutual sealing.

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