Bridge expansion joint device

Abstract

The utility model relates to the technical field of bridges, and discloses a bridge expansion joint device which comprises a plurality of beam bodies, road surfaces and first grooves, expansion joint structures are installed among the plurality of beam bodies, the road surfaces are installed above the beam bodies, the first grooves are installed between the road surfaces on the two sides, and the expansion joint structures are installed in the first grooves. The upper portion of the expansion joint structure is installed on the inner side of the first groove, the expansion joint structure comprises polystyrene foam plastic, a rubber block and a round hole, the polystyrene foam plastic is installed among the multiple beam bodies, the rubber block is installed above the polystyrene foam plastic, the round hole is formed in the middle of the rubber block, and the expansion joint structure is installed in the round hole. Second grooves are formed in the two sides of the upper portion of the rubber block, fixing grooves are formed in the two sides of the interior of each second groove, and a rubber strip is arranged in each second groove. An automobile runs more stably, the phenomenon that the rubber block expands with heat and contracts with cold is prevented, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of bridges, and in particular to a bridge expansion joint device. Background Art

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

[0003] After searching, the Chinese patent authorization announcement number CN 213476606 U, the announcement date June 18, 2021, discloses a bridge expansion joint device. The article proposes "two side beam steels 1, anchor steel bars 2, and elastic blocks 3. The two side beam steels 1 are respectively arranged on both sides of the expansion joint, and the anchor steel bars 2 are arranged on the side of the side beam steel 1 away from the expansion joint." After the device is installed, the height of the device is higher than the height of the road surface. When the car is driving, the car shakes. In winter, due to the effects of thermal expansion and contraction, the service life of the device is affected. In view of this, in-depth research was conducted on the above-mentioned problems, and this case came into being. Utility Model Content

[0004] The purpose of the present invention is to provide a bridge expansion joint device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge expansion joint device, comprising a plurality of beams, a road surface and a first groove, an expansion joint structure is installed between the plurality of beams, a road surface is installed above the beams, a first groove is installed between the road surfaces on both sides, and the top of the expansion joint structure is installed on the inner side of the first groove;

[0006] The expansion joint structure includes polystyrene foam plastic, a rubber block and a circular hole. Polystyrene foam plastic is installed between the multiple beam bodies, a rubber block is installed above the polystyrene foam plastic, a circular hole is provided in the middle of the rubber block, second grooves are provided on both sides above the rubber block, fixing grooves are provided on both sides inside the second groove, a rubber strip is provided inside the second groove, a threaded nail is installed below the rubber strip, the threaded nail passes through the first thread groove to the inside of the second thread groove, the first thread groove is provided on both sides inside the rubber block, the second thread groove is provided inside the beam body, a plurality of clamping blocks are installed on both sides of the rubber block, the clamping blocks are provided inside the clamping groove, and the clamping groove is provided inside the road surface.

[0007] Preferably, the beam body and the road surface are tightly fitted, and the first grooves are integrated with the beam body and the road surface.

[0008] Preferably, the polystyrene foam plastic is fixedly connected to the beam body, and the top of the polystyrene foam plastic is correspondingly arranged to the road surface.

[0009] Preferably, the rubber block and the circular hole are integrated, and the rubber block and the clamping block are fixedly connected.

[0010] Preferably, the clamping block is clamped to the clamping slot, and the rubber block is integrated with the second groove and the fixing slot.

[0011] Preferably, the second groove is in a trapezoidal shape.

[0012] Preferably, the fixing groove is in the shape of a right triangle.

[0013] Preferably, the rubber strips are arranged corresponding to the second grooves and the fixing grooves, and the rubber strips are fixedly connected to the threaded nails.

[0014] Preferably, the threaded nails are threadedly connected to the first thread groove and the second thread groove, and the first thread groove and the rubber block are integrated.

[0015] Preferably, the second thread groove and the beam body are integrated, and the rubber blocks are tightly arranged between the beam body and the road surface.

[0016] Compared with the prior art, the beneficial effects of this invention are:

[0017] By setting polystyrene foam plastics, rubber blocks and round holes, the user installs the polystyrene foam plastics between the two beam bodies, and then places the rubber block on top of the two beam bodies, with the middle position below the polystyrene foam plastics between the two beam bodies. Secondly, the threaded nails connected with the rubber strips are threadedly connected with the first thread groove and the second thread groove to fix the rubber block on top of the two beam bodies. Then the road surface is paved on the top of the beam bodies, so that the blocks on both sides of the rubber block are inside the inner grooves of the road surface, thereby increasing the friction between the device and the beam bodies and the road surface, and preventing the car from moving when driving on the road surface. At the same time, the top of the rubber block and the rubber strip are on the same horizontal line as the top of the road surface, so that the car can drive more smoothly. When encountering cold weather, the role of polystyrene foam plastics is used to keep the rubber block warm, preventing the rubber block from expanding and contracting due to heat, and also increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a front view structural diagram of the expansion joint structure used in the utility model;

[0021] Figure 3 This is a schematic diagram of the front cross-sectional structure of the expansion joint structure used in the utility model;

[0022] Figure 4 It is a schematic diagram of the front cross-sectional structure of the rubber block of the utility model.

[0023] In the figure: 1, beam body; 2, road surface; 3, first groove; 4, expansion joint structure; 401, polystyrene foam; 402, rubber block; 403, round hole; 404, second groove; 405, fixing groove; 406, rubber strip; 407, threaded nail; 408, first thread groove; 409, second thread groove; 410, clamping block; 411, clamping groove. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0027] See also Figure 1-4 The utility model provides a technical solution for a bridge expansion joint device: a bridge expansion joint device, comprising a plurality of beam bodies 1, a road surface 2 and a first groove 3, an expansion joint structure 4 is installed between the plurality of beam bodies 1, a road surface 2 is installed above the beam body 1, a first groove 3 is installed between the road surfaces 2 on both sides, and the expansion joint structure 4 is installed above the inner side of the first groove 3;

[0028] The expansion joint structure 4 includes polystyrene foam plastic 401, rubber block 402 and circular hole 403. Polystyrene foam plastic 401 is installed between multiple beam bodies 1, rubber block 402 is installed above the polystyrene foam plastic 401, and a circular hole 403 is provided in the middle position of the rubber block 402. Second grooves 404 are provided on both sides above the rubber block 402, and fixing grooves 405 are provided on both sides inside the second groove 404. A rubber strip 406 is provided inside the second groove 404, and a threaded nail 407 is installed below the rubber strip 406. The threaded nail 407 passes through the first thread groove 408 to the inside of the second thread groove 409. The first thread groove 408 is provided on both sides inside the rubber block 402, and the second thread groove 409 is provided inside the beam body 1. Multiple clamping blocks 410 are installed on both sides of the rubber block 402, and the clamping blocks 410 are provided inside the clamping groove 411, and the clamping groove 411 is provided inside the road surface 2.

[0029] When in use, the user installs the polystyrene foam plastic 401 between the two beam bodies 1, and then places the rubber block 402 above the two beam bodies 1, and the middle position below the polystyrene foam plastic 401 is between the two beam bodies 1. Secondly, the threaded nails 407 connected by the rubber strip 406 are threadedly connected to the first thread groove 408 and the second thread groove 409 to fix the rubber block 402 above the two beam bodies 1. Then the road surface 2 is laid flat on the top of the beam body 1, so that the blocks 410 on both sides of the rubber block 402 are inside the inner grooves 411 of the road surface 2, thereby increasing the friction between the device and the beam body 1 and the road surface 2, and preventing the car from moving when driving on the road surface 2. At the same time, the top of the rubber block 402 and the rubber strip 406 are on the same horizontal line as the top of the road surface 2, so that the car can drive more smoothly. When encountering cold weather, the polystyrene foam plastic 401 is used to keep the rubber block 402 warm, prevent the rubber block 402 from expanding and contracting due to heat, and also improve the service life of the device.

[0030] The beam body 1 and the road surface 2 are tightly fitted, and the first grooves 3 are integrated with the beam body 1 and the road surface 2 .

[0031] The polystyrene foam plastic 401 is fixedly connected to the beam body 1 , and the top of the polystyrene foam plastic 401 and the road surface 2 are correspondingly arranged.

[0032] The rubber block 402 and the circular hole 403 are integrated, the rubber block 402 and the clamping block 410 are fixedly connected, and the circular hole 403 enables the rubber block 402 to have a buffering effect.

[0033] The clamping block 410 is clamped to the clamping slot 411 , and the rubber block 402 is integrated with the second groove 404 and the fixing slot 405 .

[0034] The second groove 404 is in a trapezoidal shape.

[0035] The fixing groove 405 is in the shape of a right triangle.

[0036] The rubber strips 406 are arranged corresponding to the second grooves 404 and the fixing grooves 405 , and the rubber strips 406 and the threaded nails 407 are fixedly connected.

[0037] The threaded nails 407 are threadedly connected to the first thread groove 408 and the second thread groove 409 , and the first thread groove 408 and the rubber block 402 are integrated.

[0038] The second thread groove 409 is integrated with the beam body 1 , and the rubber blocks 402 are tightly arranged between the beam body 1 and the road surface 2 .

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge expansion joint device, comprising a plurality of beam bodies (1), a road surface (2) and a first groove (3), characterized in that: An expansion joint structure (4) is installed between the plurality of beam bodies (1), a road surface (2) is installed above the beam body (1), a first groove (3) is installed between the road surfaces (2) on both sides, and the top of the expansion joint structure (4) is installed on the inner side of the first groove (3); The expansion joint structure (4) comprises polystyrene foam plastic (401), a rubber block (402) and a circular hole (403); the polystyrene foam plastic (401) is installed between the plurality of beam bodies (1); the rubber block (402) is installed above the polystyrene foam plastic (401); a circular hole (403) is provided in the middle of the rubber block (402); second grooves (404) are provided on both sides above the rubber block (402); fixing grooves (405) are provided on both sides inside the second groove (404); and the interior of the second groove (404) is provided with a plurality of fixing grooves (405). A rubber strip (406) is provided on the part, a threaded nail (407) is installed below the rubber strip (406), the threaded nail (407) passes through the first thread groove (408) to the inside of the second thread groove (409), the first thread groove (408) is arranged on both sides of the inside of the rubber block (402), the second thread groove (409) is arranged inside the beam body (1), and a plurality of clamping blocks (410) are installed on both sides of the rubber block (402), the clamping blocks (410) are arranged inside the clamping groove (411), and the clamping groove (411) is arranged inside the road surface (2).

2. A bridge expansion joint device according to claim 1, characterized in that: The beam body (1) and the road surface (2) are arranged in close contact with each other, and the first groove (3) is arranged in an integrated manner with the beam body (1) and the road surface (2).

3. A bridge expansion joint device according to claim 2, characterized in that: The polystyrene foam plastic (401) is fixedly connected to the beam body (1), and the top of the polystyrene foam plastic (401) and the road surface (2) are arranged correspondingly.

4. A bridge expansion joint device according to claim 3, characterized in that: The rubber block (402) and the circular hole (403) are integrally arranged, and the rubber block (402) and the clamping block (410) are fixedly connected.

5. A bridge expansion joint device according to claim 4, characterized in that: The clamping block (410) and the clamping groove (411) are in a clamping connection, and the rubber block (402) is integrally arranged with the second groove (404) and the fixing groove (405).

6. A bridge expansion joint device according to claim 5, characterized in that: The second groove (404) is in a trapezoidal shape.

7. A bridge expansion joint device according to claim 6, characterized in that: The fixing groove (405) is in the shape of a right triangle.

8. A bridge expansion joint device according to claim 7, characterized in that: The rubber strips (406) are arranged corresponding to the second grooves (404) and the fixing grooves (405), and the rubber strips (406) are fixedly connected to the threaded nails (407).

9. A bridge expansion joint device according to claim 8, characterized in that: The threaded nails (407) are threadedly connected to the first thread groove (408) and the second thread groove (409), and the first thread groove (408) and the rubber block (402) are integrally arranged.

10. A bridge expansion joint device according to claim 9, characterized in that: The second thread groove (409) and the beam body (1) are integrally arranged, and the rubber block (402) is tightly arranged between the beam body (1) and the road surface (2).

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