Bridge safety telescopic device

Abstract

The utility model discloses a bridge safety telescopic device, including beam body, road surface, sloping block and rubber block, road surface is fixed connection in the both sides of beam body top, sloping block is fixed connection in the one side of road surface, rubber block is provided the top of beam body, the top of rubber block is fixed connection with the protection mechanism. By arranging the protection mechanism, the temperature of the rubber block can be reduced during use, contact with oxygen can be reduced, the rubber block can be protected, and the problems that an existing telescopic device is generally exposed outside, meanwhile, the telescopic device is made of a rubber material, the rubber material is prone to being affected by oxidation and temperature, and the service life of the telescopic device is prolonged are solved. The problem that the service life of the telescopic device is shortened due to the fact that rubber is prone to oxidation and thermal cracking or thermal crosslinking of the rubber caused by temperature is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic devices, in particular to a safe telescopic device for bridges. Background Art

[0002] Bridges are common basic municipal engineering projects in market life. Bridges are mainly used to connect the two sides of a river or canyon to facilitate traffic. Since bridges will expand and contract during use, expansion joints need to be installed during the construction of bridges to avoid damage caused by expansion and contraction.

[0003] The existing telescopic devices are generally exposed to the outside. At the same time, the material of the telescopic devices is rubber material, which is easily affected by oxidation and temperature, and can easily lead to thermal cracking or thermal cross-linking of the rubber caused by oxidation and temperature, resulting in a reduction in the service life of the telescopic devices. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a bridge safety expansion device, which has the advantage of increasing the service life of rubber blocks, and solves the problem that the existing expansion devices are generally exposed to the outside, and the expansion devices are made of rubber material, which is easily affected by oxidation and temperature, and easily leads to oxidation of the rubber and thermal cracking or thermal cross-linking of the rubber caused by temperature, resulting in a reduction in the service life of the expansion device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a beam body, a road surface, an inclined block and a rubber block, the road surface is fixedly connected to both sides of the top of the beam body, the inclined block is fixedly connected to one side of the road surface, the rubber block is arranged on the top of the beam body, and the top of the rubber block is fixedly connected with a protective mechanism.

[0006] As a preferred embodiment of the utility model, the protective mechanism includes a protective layer, the protective layer is fixedly connected to the top of the rubber block, the top of the protective layer is fixedly connected to a metal plate, and the bottoms of both sides of the inner wall of the rubber block are fixedly connected to reinforcement plates.

[0007] As a preferred embodiment of the utility model, through holes are opened on both sides of the protective layer and the top of the rubber block, and screws are movably connected inside the through holes. The bottom of the screws passes through the rubber block and extends to the top of the inner wall of the beam body, and the bottom of the screws is threadedly connected to the inner wall of the beam body.

[0008] As a preferred embodiment of the utility model, a reinforcement strip is fixedly connected to the top of the inner wall of the rubber block, and a plurality of the reinforcement strips are provided and are distributed at equal distances.

[0009] As a preferred embodiment of the present invention, a mesh cloth is fixedly connected to the bottom of the rubber block, and three mesh cloths are provided and are distributed at equal distances.

[0010] As a preferred embodiment of the present invention, a rubber layer is fixedly connected to the surface of the mesh cloth.

[0011] As a preferred embodiment of the utility model, wear-resistant layers are fixedly connected to both sides of the bottom of the rubber layer.

[0012] As a preferred embodiment of the present invention, the inner wall of the wear-resistant layer is fixedly connected with a U-shaped connecting piece.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can lower the temperature of the rubber block and reduce the contact with oxygen during use by setting a protective mechanism, so as to protect the rubber block, thereby solving the problem that the existing telescopic device is generally exposed to the outside, and the telescopic device is made of rubber material, which is easily affected by oxidation and temperature, and easily leads to oxidation of the rubber and thermal cracking or thermal cross-linking of the rubber caused by temperature, resulting in a reduction in the service life of the telescopic device. The utility model has the advantage of increasing the service life of the rubber block.

[0015] 2. The utility model sets a protective mechanism to cover the top of the rubber block with a protective layer to reduce the contact between the rubber block and the air. The protective layer can prevent direct sunlight from shining on the rubber block and causing the temperature of the rubber block to rise. The metal plate can prevent hard objects from piercing, and the reinforcement plate can reinforce both sides of the rubber block.

[0016] 3. The utility model provides through holes and screws, and puts the screws into the through holes to store the screws, thereby preventing the screws from being exposed to the outside. Then, the screws are rotated to be threadedly connected with the inner wall of the beam body to fix the rubber block, which makes installation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 The utility model is Figure 2 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. beam body; 2. road surface; 3. inclined block; 4. rubber block; 5. protection mechanism; 51. protection layer; 52. metal plate; 53. reinforcement plate; 6. through hole; 7. screw; 8. reinforcement strip; 9. mesh cloth; 10. rubber layer; 11. wear-resistant layer; 12. U-shaped connector. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 3 As shown, the utility model includes a beam body 1, a road surface 2, an inclined block 3 and a rubber block 4, the road surface 2 is fixedly connected to both sides of the top of the beam body 1, the inclined block 3 is fixedly connected to one side of the road surface 2, the rubber block 4 is arranged on the top of the beam body 1, and the top of the rubber block 4 is fixedly connected with a protective mechanism 5.

[0023] refer to Figure 3 The protection mechanism 5 includes a protection layer 51, which is fixedly connected to the top of the rubber block 4. A metal plate 52 is fixedly connected to the top of the protection layer 51, and reinforcement plates 53 are fixedly connected to the bottoms of both sides of the inner wall of the rubber block 4.

[0024] As a technical optimization solution of the utility model, a protective mechanism 5 is provided and the top of the rubber block 4 is covered by a protective layer 51 to reduce the contact between the rubber block 4 and the air. Then the protective layer 51 can prevent direct sunlight from shining on the rubber block 4 and causing the temperature of the rubber block 4 to rise, and can block the sunlight. The metal plate 52 can prevent hard objects from piercing, and the reinforcement plate 53 can reinforce both sides of the rubber block 4.

[0025] refer to Figure 3 Through holes 6 are provided on both sides of the protective layer 51 and the top of the rubber block 4. A screw 7 is movably connected inside the through hole 6. The bottom of the screw 7 passes through the rubber block 4 and extends to the top of the inner wall of the beam body 1. The bottom of the screw 7 is threadedly connected to the inner wall of the beam body 1.

[0026] As a technical optimization solution of the utility model, by setting a through hole 6 and a screw 7, the screw 7 is placed in the through hole 6 and stored through the through hole 6 to avoid the screw 7 being exposed to the outside, and then the screw 7 is rotated to make the screw 7 threadedly connected to the inner wall of the beam body 1 to fix the rubber block 4, which can be more convenient during installation.

[0027] refer to Figure 3A reinforcement strip 8 is fixedly connected to the top of the inner wall of the rubber block 4. A plurality of reinforcement strips 8 are provided, and the plurality of reinforcement strips 8 are distributed at equal distances.

[0028] As a technical optimization solution of the utility model, by providing a reinforcement strip 8, the top of the rubber block 4 can be prevented from sinking downward, the top of the rubber block 4 can be supported, and it can be more stable during use, while improving the structural strength of the rubber block 4.

[0029] refer to Figure 3 A mesh cloth 9 is fixedly connected to the bottom of the rubber block 4. Three mesh cloths 9 are provided, and the three mesh cloths 9 are distributed at equal distances.

[0030] As a technical optimization solution of the present invention, by providing a mesh cloth 9, the mesh cloth 9 can protect the bottom of the rubber block 4 when the rubber block 4 is stretched, thereby preventing the rubber block 4 from cracking.

[0031] refer to Figure 3 A rubber layer 10 is fixedly connected to the surface of the mesh cloth 9 .

[0032] As a technical optimization solution of the present invention, by providing the rubber layer 10 , the rubber layer 10 can reduce the contact between the rubber block 4 and the air, and then the bottom of the rubber block 4 can be protected.

[0033] refer to Figure 3 A wear-resistant layer 11 is fixedly connected to both sides of the bottom of the rubber layer 10 .

[0034] As a technical optimization solution of the utility model, by providing the wear-resistant layer 11, it is possible to avoid damage caused by friction between the rubber layer and the beam body 1, and the beam can be more stable during use.

[0035] refer to Figure 3 A U-shaped connecting piece 12 is fixedly connected to the inner wall of the wear-resistant layer 11 .

[0036] As a technical optimization solution of the utility model, by providing a U-shaped connector 12, the U-shaped connector 12 can connect the wear-resistant layer 11 and collect rainwater in the gap and transport it to both sides.

[0037] The working principle and use process of the utility model are as follows: when in use, the top of the rubber block 4 is covered by the protective layer 51 to reduce the contact between the rubber block 4 and the air. Then, the protective layer 51 can prevent the temperature of the rubber block 4 from rising due to direct sunlight, and can block the sunlight. The metal plate 52 can prevent hard objects from piercing. The reinforcing plate 53 can reinforce both sides of the rubber block 4. By placing the screw 7 into the through hole 6, the screw 7 is stored through the through hole 6 to prevent the screw 7 from being exposed to the outside. Then, by rotating the screw 7, the screw 7 is threadedly connected with the inner wall of the beam body 1 to fix the rubber block 4, which can be more secure during installation. The invention is convenient and can prevent the top of the rubber block 4 from sinking downward, can support the top of the rubber block 4, can be more stable when in use, and improve the structural strength of the rubber block 4 at the same time; through the mesh cloth 9, the bottom of the rubber block 4 can be protected when the rubber block 4 is stretched to prevent the rubber block 4 from cracking; the glue layer 10 can reduce the contact between the rubber block 4 and the air, and then can protect the bottom of the rubber block 4 to prevent the friction between the glue layer and the beam body 1 from causing damage, and can be more stable when in use; the U-shaped connector 12 can connect the wear-resistant layer 11, and can collect rainwater in the gap and transport it to both sides.

[0038] In summary: this bridge safety telescopic device, by setting a protective mechanism 5, can lower the temperature of the rubber block 4 during use and reduce the contact with oxygen, so as to protect the rubber block 4, thereby solving the problem that the existing telescopic devices are generally exposed to the outside, and the telescopic device is made of rubber material, which is easily affected by oxidation and temperature, and can easily lead to oxidation of the rubber and thermal cracking or thermal cross-linking of the rubber caused by temperature, resulting in a reduction in the service life of the telescopic device.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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 safety expansion and contraction device, comprising a beam body (1), a road surface (2), an inclined block (3) and a rubber block (4), characterized in that: The road surface (2) is fixedly connected to both sides of the top of the beam body (1), the inclined block (3) is fixedly connected to one side of the road surface (2), the rubber block (4) is arranged on the top of the beam body (1), the top of the rubber block (4) is fixedly connected to a protective mechanism (5), the protective mechanism (5) comprises a protective layer (51), the protective layer (51) is fixedly connected to the top of the rubber block (4), the top of the protective layer (51) is fixedly connected to a metal plate (52), and the bottoms of both sides of the inner wall of the rubber block (4) are fixedly connected to A reinforcing plate (53) is connected, and through holes (6) are provided on both sides of the top of the protective layer (51) and the rubber block (4). A screw (7) is movably connected inside the through hole (6). The bottom of the screw (7) passes through the rubber block (4) and extends to the top of the inner wall of the beam body (1). The bottom of the screw (7) is threadedly connected to the inner wall of the beam body (1). A reinforcing strip (8) is fixedly connected to the top of the inner wall of the rubber block (4). A plurality of reinforcing strips (8) are provided, and the plurality of reinforcing strips (8) are distributed at equal distances.

2. A bridge safety expansion and contraction device according to claim 1, characterized in that: A mesh cloth (9) is fixedly connected to the bottom of the rubber block (4), and three mesh cloths (9) are provided, and the three mesh cloths (9) are distributed at equal distances.

3. A bridge safety expansion and contraction device according to claim 2, characterized in that: A rubber layer (10) is fixedly connected to the surface of the mesh cloth (9).

4. A bridge safety expansion and contraction device according to claim 3, characterized in that: Both sides of the bottom of the rubber layer (10) are fixedly connected with wear-resistant layers (11).

5. A bridge safety expansion and contraction device according to claim 4, characterized in that: A U-shaped connecting piece (12) is fixedly connected to the inner wall of the wear-resistant layer (11).

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