Highway bridge buffering support

Abstract

The utility model relates to a highway bridge buffering support which comprises a bottom plate and a top plate, a rubber pad is arranged between the bottom plate and the top plate, and an auxiliary buffering assembly is arranged between the bottom plate and the top plate. The auxiliary buffering assembly comprises four fixing blocks, the four fixing blocks are all arranged at the top of the bottom plate, the cross section of the four fixing blocks is rectangular after the four fixing blocks are combined, and first containing grooves are formed in the tops of the four fixing blocks. The utility model relates to the technical field of bridge supports. The shock absorption rubber pad has the advantages that the shock absorption effect is improved, the service life of the rubber pad is prolonged, and the expenditure cost of bridge maintenance enterprises is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge supports, in particular to a buffer support for a highway bridge. Background Art

[0002] Existing bridge bearings usually consist of a bottom plate, a top plate and a rubber pad between the bottom plate and the top plate.

[0003] This structure has poor shock absorption effect and reduces the service life of the rubber pad, resulting in the need to replace the rubber pad at regular intervals. The cumbersome work of replacing the rubber pad increases the cost expenditure of the bridge maintenance company. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a highway bridge buffer bearing, which has the effect of improving the shock absorption effect while increasing the service life of the rubber pad and reducing the expenditure cost of the bridge maintenance company.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A highway bridge buffer support, comprising a bottom plate and a top plate, a rubber pad is arranged between the bottom plate and the top plate, and an auxiliary buffer component is arranged between the bottom plate and the top plate;

[0007] The auxiliary buffer assembly includes four fixing blocks, which are all arranged on the top of the bottom plate. The cross section of the four fixing blocks after being combined is rectangular, and the tops of the four fixing blocks are all provided with first placement grooves;

[0008] Four plug-in plates are arranged at the bottom of the top plate, and the plug-in plates are partially located in the corresponding first placement grooves. The plug-in plates are slidably connected to the corresponding fixed blocks. An arc-shaped spring plate is arranged at the bottom of the inner wall of the first placement groove, and the arc-shaped spring plate is in contact with the corresponding plug-in plates.

[0009] In a preferred example, the utility model can be further configured as follows: a sliding groove is provided at the bottom of the inner wall of each of the first placement grooves;

[0010] Sliding blocks are arranged at both ends of the arc-shaped spring plate. The sliding blocks are located in the corresponding sliding grooves, and the sliding blocks are slidably connected with the corresponding sliding grooves.

[0011] In a preferred example, the utility model can be further configured as follows: a guide rod is horizontally arranged in each of the sliding grooves, the guide rod passes through the corresponding two sliding blocks, and the guide rod is slidably connected to the corresponding sliding block;

[0012] The guide rod is provided with springs at both ends, and the two ends of the spring are respectively fixed to one side of the inner wall of the sliding groove and one side corresponding to the sliding block.

[0013] In a preferred example, the utility model can be further configured as follows: a first through hole is opened on the top of the arc-shaped spring plate, and a protruding plate is extended downward from the middle of the bottom of the plug plate, and a portion of the protruding plate is located in the first through hole;

[0014] The cross-sectional width of the first through hole matches the cross-sectional width of the raised plate.

[0015] In a preferred example, the utility model can be further configured as follows: ventilation holes are symmetrically opened at the bottom of the inner wall of the sliding groove, and two connecting holes are symmetrically opened on one side of each of the fixing blocks, and the interior of the connecting hole is connected to the interior of the corresponding ventilation hole.

[0016] In summary, the present invention includes at least one of the following beneficial technical effects:

[0017] 1. By providing an auxiliary buffer component, the shock absorption effect is improved while the service life of the rubber pad is increased, reducing the expenditure cost of the bridge maintenance company.

[0018] 2. A first through hole is formed at the top of the arc spring plate, and a raised portion is formed in the middle of the bottom of the plug plate, and a portion of the raised portion is located in the first through hole, thereby ensuring that the plug plate is always in contact with the arc spring plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the prior art structure mentioned in the background technology;

[0020] Figure 2 It is a schematic diagram of the overall structure of this embodiment;

[0021] Figure 3 yes Figure 2 A schematic diagram of the structure of the auxiliary buffer component;

[0022] Figure 4 yes Figure 3 Schematic diagram of the half-section structure of the middle arc spring plate;

[0023] Figure 5 yes Figure 3 Enlarged structural diagram at A in the middle.

[0024] In the figure, 1, bottom plate; 11, top plate; 12, rubber pad; 2, auxiliary buffer assembly; 21, fixed block; 22, first placement groove; 23, plug plate; 24, arc spring plate; 3, sliding groove; 31, sliding block; 4, guide rod; 41, spring; 5, first through hole; 51, raised plate; 6, air vent; 61, connecting hole. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] Example:

[0027] Reference Figure 1-Figure 5 As shown, the utility model discloses a highway bridge buffer support, which includes a bottom plate 1 and a top plate 11 , a rubber pad 12 is arranged between the bottom plate 1 and the top plate 11 , and an auxiliary buffer component 2 is arranged between the bottom plate 1 and the top plate 11 .

[0028] The auxiliary buffer assembly 2 includes four fixing blocks 21 . The four fixing blocks 21 are all arranged on the top of the bottom plate 1 . The cross section of the four fixing blocks 21 after being combined is rectangular. The tops of the four fixing blocks 21 are all provided with first placement grooves 22 .

[0029] Each first placement slot 22 has a sliding slot 3 at its inner bottom. The sliding slot 3 has symmetrical ventilation holes 6 at its inner bottom. Each fixing block 21 has two symmetrical connection holes 61 at one side. The connection holes 61 are connected to the corresponding ventilation holes 6.

[0030] Four inserting plates 23 are disposed at the bottom of the top plate 11 . Parts of the inserting plates 23 are located in the corresponding first placement grooves 22 . The inserting plates 23 are slidably connected to the corresponding fixing blocks 21 .

[0031] An arc-shaped spring 41 plate 24 is disposed at the bottom of the inner wall of the first placement groove 22 .

[0032] Sliding blocks 31 are disposed at both ends of the arc spring 41 plate 24 . The sliding blocks 31 are located in the corresponding sliding grooves 3 , and the sliding blocks 31 are slidably connected to the corresponding sliding grooves 3 .

[0033] A guide rod 4 is horizontally arranged in each sliding groove 3, and the guide rod 4 passes through two corresponding sliding blocks 31, and the guide rod 4 is slidably connected with the corresponding sliding blocks 31. The guide rod 4 is provided with a spring 41 at both ends, and the two ends of the spring 41 are respectively fixed to one side of the inner wall of the sliding groove 3 and one side of the corresponding sliding block 31.

[0034] The top of the arc spring 41 plate 24 is provided with a first through hole 5, and the middle of the bottom of the insert plate 23 extends downward to form a raised plate 51, which is partially located in the first through hole 5. The cross-sectional width of the first through hole 5 matches the cross-sectional width of the raised plate 51.

[0035] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A highway bridge buffer bearing, comprising a bottom plate (1) and a top plate (11), wherein a rubber pad (12) is arranged between the bottom plate (1) and the top plate (11), characterized in that: An auxiliary buffer component (2) is provided between the bottom plate (1) and the top plate (11); The auxiliary buffer assembly (2) comprises four fixing blocks (21), the four fixing blocks (21) are all arranged on the top of the bottom plate (1), the cross section of the four fixing blocks (21) when combined is rectangular, and the tops of the four fixing blocks (21) are all provided with first placement grooves (22); Four plug plates (23) are arranged at the bottom of the top plate (11), and the plug plates (23) are partially located in the corresponding first placement grooves (22). The plug plates (23) are slidably connected to the corresponding fixed blocks (21). An arc-shaped spring plate (24) is arranged at the bottom of the inner wall of the first placement groove (22), and the arc-shaped spring plate (24) is in contact with the corresponding plug plates (23).

2. A highway bridge buffer bearing according to claim 1, characterized in that: Each of the first placement grooves (22) has a sliding groove (3) at the bottom of the inner wall; Sliding blocks (31) are provided at both ends of the arc-shaped spring plate (24); the sliding blocks (31) are located in the corresponding sliding grooves (3), and the sliding blocks (31) are slidably connected to the corresponding sliding grooves (3).

3. A highway bridge buffer bearing according to claim 2, characterized in that: A guide rod (4) is horizontally arranged in each of the sliding grooves (3), the guide rod (4) passes through the corresponding two sliding blocks (31), and the guide rod (4) is slidably connected to the corresponding sliding block (31); The guide rod (4) is provided with a spring (41) at both ends, and the two ends of the spring (41) are respectively fixed to one side of the inner wall of the sliding groove (3) and one side corresponding to the sliding block (31).

4. A highway bridge buffer bearing according to claim 3, characterized in that: A first through hole (5) is formed at the top of the arc-shaped spring plate (24); a protruding plate (51) is formed by extending downward from the middle of the bottom of the plug plate (23); and a portion of the protruding plate (51) is located in the first through hole (5); The cross-sectional width of the first through hole (5) is compatible with the cross-sectional width of the raised plate (51).

5. A highway bridge buffer bearing according to claim 4, characterized in that: The bottom of the inner wall of the sliding groove (3) is symmetrically provided with air holes (6), and one side of each of the fixing blocks (21) is symmetrically provided with two connecting holes (61), the interior of the connecting hole (61) being connected to the interior of the corresponding air hole (6).

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