Dustproof, leakproof, long-life and noise-reducing expansion joint

Abstract

The utility model relates to the technical field of bridge expansion joints, in particular to a dustproof leakage-proof long-service-life noise reduction expansion joint which comprises two steel plates, rubber grooves are formed in the opposite sides of the steel plates, rubber belts are movably connected to inner cavities of the rubber grooves, reinforcing steel bars are welded to the opposite sides of the steel plates, and the reinforcing steel bars are welded to the inner cavities of the rubber belts. Sliding grooves are formed in the tops of the steel plates, sliding blocks are slidably connected to inner cavities of the sliding grooves, protection mechanisms are fixedly connected to the tops of the sliding blocks, and rectangular grooves are formed in the opposite sides of the steel plates. Through cooperation of the sliding groove, the sliding block and the protection mechanism, the protection function is achieved, the rubber pad is installed on the top of the steel plate through the sliding block and the sliding groove, the top of the rubber pad is rolled by a vehicle in the driving process, the rubber pad primarily buffers impact force, and the vehicle is protected. And meanwhile, the impact force can be further dispersed under the action of the rubber strips, so that the steel plate is not influenced by the impact force.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge expansion joints, in particular to a dustproof, leakproof, long-life, noise-reducing expansion joint. Background Art

[0002] A bridge expansion joint refers to a joint that is set between two beam ends, between a beam end and abutments, or at the hinged position of a bridge to meet the requirements of bridge deck deformation.

[0003] After searching, the patent number is CN218373316U, and the name is a utility model of a bridge expansion joint structure, including a bridge expansion joint. Through research and analysis, it is found that although the connection between two adjacent bridge expansion joints is ensured to be stable by setting a connecting mechanism during use, thereby slowing down the damage rate of the bridge expansion joint and increasing the service life of the bridge expansion joint, etc., however, there are still the following disadvantages to a certain extent.

[0004] For example, it does not have a protective function. During the use of the above-mentioned expansion joint, the surface of the expansion joint does not have a protective structure, which causes the expansion joint to easily vibrate and cause a gap between it and the road surface when it is rolled over by the wheels for a long time, thereby affecting its waterproof effect. In order to solve the above technical problems, we have designed a dustproof, leak-proof, long-life noise-reducing expansion joint. Utility Model Content

[0005] The utility model aims to provide a dustproof and leakproof long-life noise-reducing expansion joint, which has the advantages of protection function and dustproof function, and solves the problem that the existing expansion joints are prone to cause gaps between the expansion joints and the road surface when they are rolled by wheels for a long time during use, and at the same time cannot block debris such as dust and stones.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof, leakproof, long-life, noise-reducing expansion joint, comprising a steel plate, two steel plates, rubber grooves are provided on opposite sides of the steel plates, the inner cavity of the rubber groove is movably connected to a rubber belt, steel bars are welded to opposite sides of the steel plates, a slide groove is provided on the top of the steel plate, a slider is slidably connected to the inner cavity of the slide groove, a protective mechanism is fixedly connected to the top of the slider, rectangular grooves are provided on opposite sides of the steel plates, the inner cavity of the rectangular groove is connected to a box body by bolts, and the inner cavity of the box body is movably connected to a telescopic plate.

[0007] Preferably, the protective mechanism comprises a rubber pad, the bottom of the rubber pad is fixedly connected to the slider, the inner cavity of the rubber pad is fixedly connected to a rubber strip, and the number of the rubber strips is several.

[0008] Preferably, springs are riveted on opposite sides of the telescopic plate, and opposite ends of the springs are fixedly connected to the inner wall of the box body.

[0009] Preferably, guide grooves are provided on the front and rear sides of the inner cavity of the box body, and guide blocks are movably connected to the inner cavity of the guide grooves, and opposite sides of the guide blocks are riveted to the telescopic plate.

[0010] Preferably, there are several springs, and the springs are arranged at equal distances.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model has the advantage of protective function through the cooperation of the slide groove, the slider and the protective mechanism. The rubber pad is installed on the top of the steel plate through the slider and the slide groove. The vehicle rolls over the top of the rubber pad during driving. The rubber pad performs preliminary buffering on the impact force. At the same time, under the action of the rubber strip, the impact force can be further dispersed so that the steel plate will not be affected by the impact.

[0013] 2. The utility model has the advantage of dustproof function through the cooperation of the rectangular groove, the box body and the telescopic plate. In daily use, impurities on the road and sharp objects such as stones all fall to the top of the telescopic plate. Under the action of the telescopic plate, the rubber belt can be protected so that it will not be scratched by sharp objects. When the steel plate moves, the telescopic plate will compress the spring and move in the inner cavity of the box body, so that the telescopic plate has an appropriate amount of left and right displacement space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of the local structure of the utility model;

[0016] Figure 3 It is a three-dimensional cross-sectional view of the local structure of the utility model;

[0017] Figure 4 For this utility model Figure 1 A magnified view of middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged view of B.

[0019] In the figure: 1. steel plate; 2. rubber groove; 3. rubber belt; 4. steel bar; 5. slide groove; 6. slider; 7. protective mechanism; 8. rectangular groove; 9. box body; 10. telescopic plate; 11. rubber pad; 12. rubber strip; 13. spring; 14. guide groove; 15. guide block. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 5 A dustproof, leakproof, long-life, noise-reducing expansion joint comprises a steel plate 1, two steel plates 1, rubber grooves 2 are provided on opposite sides of the steel plate 1, a rubber belt 3 is movably connected to the inner cavity of the rubber groove 2, steel bars 4 are welded to the opposite sides of the steel plate 1, a slide groove 5 is provided on the top of the steel plate 1, a slider 6 is slidably connected to the inner cavity of the slide groove 5, a protective mechanism 7 is fixedly connected to the top of the slider 6, rectangular grooves 8 are provided on opposite sides of the steel plate 1, a box body 9 is connected to the inner cavity of the rectangular groove 8 by bolts, and a telescopic plate 10 is movably connected to the inner cavity of the box body 9.

[0021] See also Figure 1 and Figure 4 The protective mechanism 7 includes a rubber pad 11, the bottom of the rubber pad 11 is fixedly connected to the slider 6, the inner cavity of the rubber pad 11 is fixedly connected to a rubber strip 12, and the number of the rubber strips 12 is several. By arranging the rubber pad 11 and the rubber strip 12, the impact force can be damped and buffered to prevent the steel plate 1 from loosening during long-term use.

[0022] See also Figure 5 A spring 13 is riveted on the opposite side of the telescopic plate 10, and the opposite end of the spring 13 is fixedly connected to the inner wall of the box body 9. By setting the spring 13, the telescopic plate 10 can move left and right, thereby facilitating subsequent telescopic operations.

[0023] See also Figure 5 Guide grooves 14 are provided on the front and rear sides of the inner cavity of the box body 9, and the inner cavity of the guide grooves 14 is movably connected with guide blocks 15, and the opposite sides of the guide blocks 15 are riveted to the telescopic plate 10. By setting the guide grooves 14 and the guide blocks 15, the telescopic plate 10 can be guided to make it more stable during movement.

[0024] See also Figure 5 The number of springs 13 is several, and the springs 13 are arranged at equal distances.

[0025] When in use, the steel plate 1 and the steel bar 4 are installed on the bridge pavement, and then the steel bar 4 is cast, the rubber belt 3 is installed between the two steel plates 1 through the rubber groove 2, and the rubber pad 11 is installed on the top of the steel plate 1 through the slider 6 and the slide groove 5. The vehicle rolls over the top of the rubber pad 11 during driving, and the rubber pad 11 performs a preliminary buffering of the impact force. At the same time, under the action of the rubber strip 12, the impact force can be further dispersed so that the steel plate 1 will not be affected by the impact. In daily use, impurities and sharp objects such as stones on the road surface all fall to the top of the telescopic plate 10. Under the action of the telescopic plate 10, the rubber belt 3 can be protected so that it will not be scratched by sharp objects. When the steel plate 1 moves, the telescopic plate 10 will compress the spring 13 to move in the inner cavity of the box body 9, so that the telescopic plate 10 has an appropriate amount of left and right displacement space.

[0026] To sum up: the dustproof, leakproof, long-life and noise-reducing expansion joint, through the cooperation of the slide groove 5, the slider 6, the protective mechanism 7, the rectangular groove 8, the box body 9 and the expansion plate 10, solves the problem that during the use of the existing expansion joint, the expansion joint is easily caused to have a gap with the road surface when it is rolled by the wheels for a long time, and at the same time cannot block dust, stones and other debris.

Claims

1. A dustproof and leakproof long-life noise-reducing expansion joint, comprising a steel plate (1), characterized in that: The number of the steel plates (1) is two, and the opposite sides of the steel plates (1) are provided with rubber grooves (2), and the inner cavity of the rubber grooves (2) is movably connected to a rubber belt (3), and the opposite sides of the steel plates (1) are welded with steel bars (4), and the top of the steel plates (1) is provided with a slide groove (5), and the inner cavity of the slide groove (5) is slidably connected to a slider (6), and the top of the slider (6) is fixedly connected to a protective mechanism (7), and the opposite sides of the steel plates (1) are provided with rectangular grooves (8), and the inner cavity of the rectangular grooves (8) is connected to a box body (9) by bolts, and the inner cavity of the box body (9) is movably connected to a telescopic plate (10).

2. The dustproof, leakproof, long-life, noise-reducing expansion joint according to claim 1, characterized in that: The protective mechanism (7) comprises a rubber pad (11), the bottom of the rubber pad (11) is fixedly connected to the slider (6), the inner cavity of the rubber pad (11) is fixedly connected to a rubber strip (12), and the number of the rubber strips (12) is several.

3. The dustproof, leakproof, long-life, noise-reducing expansion joint according to claim 1, characterized in that: A spring (13) is riveted on the opposite side of the telescopic plate (10), and the opposite end of the spring (13) is fixedly connected to the inner wall of the box body (9).

4. The dustproof, leakproof, long-life, noise-reducing expansion joint according to claim 1, characterized in that: The front and rear sides of the inner cavity of the box body (9) are provided with guide grooves (14), the inner cavity of the guide grooves (14) is movably connected with guide blocks (15), and the opposite sides of the guide blocks (15) are riveted to the telescopic plates (10).

5. The dustproof, leakproof, long-life, noise-reducing expansion joint according to claim 3, characterized in that: The number of the springs (13) is several, and the springs (13) are arranged at equal distances.

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