CN211006212U

CN211006212U - Road expansion joint structure

Info

Publication number: CN211006212U
Application number: CN201920969230.7U
Authority: CN
Inventors: 李期春
Original assignee: Individual
Current assignee: Henan Yutong Shengding Engineering Construction Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-07-14
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a road expansion joint structure, which comprises a first rubber pad, a second rubber pad, an arc-shaped plate and a bearing plate, wherein the top of the first rubber pad is fixedly provided with a base, the top of the base is fixedly connected with a plurality of supporting columns, the tops of the supporting columns are fixedly connected with the second rubber pad, and the outer parts of the first rubber pad and the second rubber pad are fixedly connected with a joint wall; the utility model can prevent rainwater from entering the wall of the seam by arranging the first rubber pad and the second rubber pad, thereby achieving the purpose of corrosion resistance and prolonging the service life; the utility model is also provided with a first buffer damping mechanism and a second buffer damping mechanism, and achieves the damping effect through the mutual cooperation of the movable block, the first spring and the limiting block; meanwhile, the connecting rod, the sliding block and the second spring are used for damping and resetting, and the third spring is used for secondary damping and resetting, so that the damping effect is good; the expansion joint structure has better bearing capacity and good stability, and meets the requirement of expansion deformation of the bridge.

Description

Road expansion joint structure

Technical Field

The utility model relates to an expansion joint, in particular to road expansion joint structure belongs to road engineering technical field.

Background

The expansion joint, which is a building expansion joint, is a structural joint provided at an appropriate position along a building or a construction joint direction of the building in order to prevent a structure from being cracked or damaged due to a change in temperature (thermal expansion or contraction) of the building. The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction.

With the continuous development of society and the rapid development of economy in China, roads as the life pulse of the country are also developed unprecedentedly. The expansion joints are arranged at the joints of roads and bridges and the joints of roads at two ends and are connected, the expansion joints are simply connected through steel plates at present, and the construction mode has the main defects that the steel plates at one overlapping side are lack of corresponding constraints, and after long-time use, the steel plates are easy to deform, shift and the like, and need to be maintained and replaced frequently; and because the steel sheet is harder, consequently, the expansion joint that adopts the steel sheet to connect has that the driving travelling comfort is relatively poor, and the car is jumped easily to the in-process of driving, so design out to have better bearing capacity, the steadiness is good, satisfies the flexible deformation of bridge, and durable expansion joint structure has very practical meaning.

Disclosure of Invention

An object of the utility model is to provide a road expansion joint structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road expansion joint structure, includes first rubber pad, second rubber pad, arc and loading board, the fixed base that is provided with in first rubber pad top, a plurality of support columns of base top fixedly connected with, support column top fixedly connected with the second rubber pad, the outside fixedly connected with of first rubber pad and second rubber pad stitches the wall, second rubber pad top is provided with the arc, the equal first buffering damper of fixedly connected with in both ends of arc, the fixed loading board that is provided with in arc top, the arc left and right sides is located the fixed second buffering damper that is provided with in first buffering damper top.

Preferably, the first buffering and damping mechanism comprises a moving block, a first spring and a first fixed block, the first fixed block is of a hollow structure, one side face of the first fixed block is fixedly connected with the seam wall, an opening is formed in the other side of the first fixed block, a limiting block is arranged inside the first fixed block, the limiting block is fixedly connected with the first spring, the first spring is fixedly connected with the moving block, and the moving block is fixedly connected with the arc-shaped plate.

Preferably, the second buffering and damping mechanism comprises a bottom plate, a second fixed block, a sliding rod, a sliding block, a second spring, a connecting rod, an installation block, a top plate and a third spring, the bottom plate is fixedly connected with the seam wall, the two second fixed blocks are fixedly arranged on the upper surface of the bottom plate, the sliding rod is fixedly connected between the two second fixed blocks, the two sliding rods are movably sleeved on the sliding rod, the second spring is sleeved on the sliding rod between the sliding block and the second fixed blocks, one section of the second spring is fixedly connected with the second fixed block, the other end of the second spring is fixedly connected with the sliding block, the two sliding blocks are rotatably connected with the connecting rod, the other end of the connecting rod is rotatably connected with the installation block, the installation block is fixedly arranged in the middle of the bottom of the top plate, the top of the top plate is fixedly connected with the bearing plate, and the two third springs are fixedly connected, the top end of the third spring is fixedly connected with the top plate, and the bottom end of the third spring is fixedly connected with the second fixing block.

Preferably, both ends all with about the loading board seam wall fixed connection, the loading board with seam wall flushes, loading board top an organic whole is provided with wear-resisting arch.

Preferably, the first rubber pad and the second rubber pad are both flexible bodies.

Preferably, the first buffer damping mechanism and the second buffer damping mechanism are symmetrically arranged.

Preferably, the support columns are provided with a minimum of four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up first rubber pad, second rubber pad and can block in the rainwater gets into the seam wall to reach anticorrosive purpose, increase life.

2. The utility model is also provided with a first buffer damping mechanism and a second buffer damping mechanism, pressure is transmitted to the moving block through the arc-shaped plate, the moving block is mutually matched with the first spring and the limiting block to achieve the damping effect, and the first spring also plays a role of resetting; meanwhile, the connecting rod, the sliding block and the second spring are used for damping and resetting, and the third spring is used for damping for the second time, so that the damping effect is good; the wear-resistant bulges effectively protect the automobile tire and have the advantages of simple structure, convenient use and good use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a road expansion joint structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is the utility model relates to a road expansion joint structure second buffer gear schematic diagram.

In the figure:

1. a first rubber pad; 2. a second rubber pad; 3. an arc-shaped plate; 4. a carrier plate; 5. a base; 6. a support pillar; 7. sewing the wall; 8. a first cushioning mechanism; 81. a moving block; 82. a first spring; 83. a first fixed block; 84. an opening; 85. a limiting block; 9. a second buffer damping mechanism; 91. a base plate; 92. a second fixed block; 93. a slide bar; 94. a slider; 95. a second spring; 96. a connecting rod; 97. mounting blocks; 98. a top plate; 99. a third spring; 10. wear-resisting protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a road expansion joint structure comprises a first rubber pad 1, a second rubber pad 2, an arc-shaped plate 3 and a bearing plate 4, wherein the top of the first rubber pad 1 is fixedly adhered with a base 5, the top of the base 5 is welded with a plurality of support columns 6, the top of each support column 6 is fixedly adhered with the second rubber pad 2, the outer parts of the first rubber pad 1 and the second rubber pad 2 are adhered with a seam wall 7, the arc-shaped plate 3 is arranged above the second rubber pad 2, both ends of the arc-shaped plate 3 are fixedly connected with first buffering and damping mechanisms 8, the top of the arc-shaped plate 3 is fixedly provided with the bearing plate 4, and the left side and the right side of the arc-shaped plate 3 are positioned above the first buffering and damping; when pressure is generated above the bearing plate 4 through the vehicle, the bearing plate 4, the arc-shaped plate 3, the first buffer damping mechanism 8 and the second buffer damping mechanism 9 are used for damping.

The first buffering and damping mechanism 8 comprises a moving block 81, a first spring 82 and a first fixed block 83, the first fixed block 83 is of a hollow structure, one side face of the first fixed block 83 is welded with the slit wall 7, an opening 84 is formed in the other side of the first fixed block 83, a limiting block 85 is arranged inside the first fixed block 83, the limiting block 85 is welded with the first spring 82, the first spring 82 is welded with the moving block 81, the moving block 81 is welded with the arc-shaped plate 3, pressure is transmitted to the moving block 81 through the arc-shaped plate 3, the moving block 81 is matched with the first spring 82 and the limiting block 85, the damping effect is achieved, and the first spring 82 also plays a resetting role.

The second buffering and damping mechanism 9 comprises a bottom plate 91, a second fixed block 92, a sliding rod 93, a sliding block 94, a second spring 95, a connecting rod 96, a mounting block 97, a top plate 98 and a third spring 99, wherein the bottom plate 91 is welded with the seam wall 7, the two second fixed blocks 92 are welded on the upper surface of the bottom plate 91, the sliding rod 93 is welded between the two second fixed blocks 92, the two sliding blocks 94 are movably sleeved on the sliding rod 93, the second spring 95 is sleeved on the sliding rod 93 positioned between the sliding block 94 and the second fixed blocks 92, one section of the second spring 95 is welded with the second fixed blocks 92, the other end of the second spring is welded with the sliding block 94, the two sliding blocks 94 are rotatably connected with the connecting rod 96, the other end of the connecting rod 96 is rotatably connected with the mounting block 97, the mounting block 97 is welded in the middle of the bottom of the top plate 98, the top of the top plate 98 is welded with the bearing, the bottom and the welding of second fixed block 92, through on bearing plate 4 transmits pressure to roof 98, roof 98 produces decurrent power, carries out the shock attenuation through connecting rod 96 and slide bar 93, slider 94 and second spring 95 and resets, carries out the secondary shock attenuation through third spring 99 again simultaneously, and the shock attenuation is effectual.

Both ends all with seam wall 7 adhesion about loading board 4, loading board 4 flushes with seam wall 7, and loading board 4 top an organic whole is provided with wear-resisting arch 10.

First rubber pad 1 and second rubber pad 2 are the flexible body.

The first buffer damping mechanism 8 and the second buffer damping mechanism 9 are symmetrically provided with two.

The support columns 6 are provided with a minimum of four.

Specifically, when the road expansion joint structure is used, when pressure is generated above the bearing plate 4 through a vehicle, the bearing plate 4, the arc-shaped plate 3, the first buffer damping mechanism 8 and the second buffer damping mechanism 9 are used for damping; the pressure is transmitted to the moving block 81 through the arc-shaped plate 3, the moving block 81 is matched with the first spring 82 and the limiting block 85, the damping effect is achieved, and the first spring 82 also plays a reset role; meanwhile, the pressure is transmitted to the top plate 98 through the bearing plate 4, the top plate 98 generates downward force, the connecting rod 96, the sliding rod 93, the sliding block 94 and the second spring 95 are used for damping and resetting, and meanwhile, secondary damping is performed through the third spring 99, so that the damping effect is good; the wear-resistant protrusions 10 effectively protect the automobile tire and have the advantages of simple structure, convenience in use and good use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road expansion joint structure, includes first rubber pad (1), second rubber pad (2), arc (3) and loading board (4), its characterized in that: the fixed base (5) that is provided with in first rubber pad (1) top, a plurality of support columns (6) of base (5) top fixedly connected with, support column (6) top fixedly connected with second rubber pad (2), wall (7) are sewed up to first rubber pad (1) and second rubber pad (2) outside fixedly connected with, second rubber pad (2) top is provided with arc (3), the equal fixedly connected with first buffering damper (8) in both ends of arc (3), arc (3) top is fixed to be provided with loading board (4), the arc (3) left and right sides is located the fixed second buffering damper (9) that is provided with in first buffering damper (8) top.

2. The road expansion joint structure of claim 1, wherein: the first buffering and damping mechanism (8) comprises a moving block (81), a first spring (82) and a first fixing block (83), the first fixing block (83) is of a hollow structure, one side face of the first fixing block (83) is fixedly connected with the seam wall (7), an opening (84) is formed in the other side of the first fixing block (83), a limiting block (85) is arranged inside the first fixing block (83), the limiting block (85) is fixedly connected with the first spring (82), the first spring (82) is fixedly connected with the moving block (81), and the moving block (81) is fixedly connected with the arc-shaped plate (3).

3. The road expansion joint structure of claim 1, wherein: the second buffering and damping mechanism (9) comprises a bottom plate (91), a second fixed block (92), a sliding rod (93), a sliding block (94), a second spring (95), a connecting rod (96), an installation block (97), a top plate (98) and a third spring (99), the bottom plate (91) is fixedly connected with the seam wall (7), the upper surface of the bottom plate (91) is fixedly provided with two second fixed blocks (92), the sliding rod (93) is fixedly connected between the two second fixed blocks (92), the sliding rod (93) is movably sleeved with the two sliding blocks (94), the sliding rod (93) between the sliding block (94) and the second fixed blocks (92) is sleeved with the second spring (95), one section of the second spring (95) is fixedly connected with the second fixed block (92), the other end of the second spring is fixedly connected with the sliding block (94), and the two sliding blocks (94) are rotatably connected with the connecting rod (96), the other end of connecting rod (96) with installation piece (97) rotate to be connected, installation piece (97) fixed set up in the centre of roof (98) bottom, roof (98) top with loading board (4) fixed connection, fixedly connected with is two between roof (98) and bottom plate (91) third spring (99), the top of third spring (99) with roof (98) fixed connection, the bottom with second fixed block (92) fixed connection.

4. The road expansion joint structure of claim 1, wherein: both ends all with seam wall (7) fixed connection about loading board (4), loading board (4) with seam wall (7) flush, loading board (4) top an organic whole is provided with wear-resisting arch (10).

5. The road expansion joint structure of claim 1, wherein: the first rubber pad (1) and the second rubber pad (2) are both flexible bodies.

6. The road expansion joint structure of claim 1, wherein: the first buffer damping mechanism (8) and the second buffer damping mechanism (9) are symmetrically provided with two.

7. The road expansion joint structure of claim 1, wherein: the supporting columns (6) are provided with at least four.