Bridge support

By designing the base assembly, shock absorption assembly and buffer assembly of the bridge support, the problems of rubber aging and uneven force transmission are solved, and the bridge support is stable and the service life is extended.

CN223151026UActive Publication Date: 2025-07-25ROAD & BRIDGE INT CO LTD +1
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Patent Information

Application Number
CN202421794973.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-07-25
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The rubber material of existing bridge support is prone to aging and hardening, resulting in uneven force transmission and necking, which affects the safety of the bridge.

Method used

The design of base assembly, shock absorbing assembly and cushioning assembly is adopted, including the lower mounting base, the lower shock absorbing base, the upper shock absorbing base, the movable ball, the compression spring and the cushioning rubber. By dispersing and cushing force, the rubber can be avoided directly under stress and extended its service life.

Benefits of technology

The bridge bearing is uniform and stable, the rubber aging and necking phenomenon is avoided, and the safety and service life of the bridge are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bridge support and belongs to the technical field of bridge structural components. Comprising a base assembly, the base assembly comprises a lower mounting base, and a baffle is arranged on the upper portion of the lower mounting base; the damping assembly comprises a lower damping base, the lower damping base is arranged in the baffle, and a plurality of movable balls, an upper damping base and an upper mounting base are arranged on the upper portion of the damping base. And the buffer assembly comprises a plurality of upper mounting blocks, a plurality of compression springs and a plurality of lower mounting blocks. Through cooperation of the upper damping base, the lower damping base and the movable balls, pressure is dispersed and transmitted to the lower mounting base, then pressure impact is further reduced through the compression springs, and the service life of the damping assembly is prolonged. According to the utility model, the structural design is compact and reasonable, the stress is uniform and stable, the adverse effects that the rubber material is easy to harden or age and the like are avoided, and the reaction force is non-uniform due to the necking phenomenon in the force transmission process.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge structural components, and more specifically, to a bridge bearing. Background Art

[0002] A bridge bearing is an important structural component connecting the upper structure (bridge deck) and the lower structure (bridge pier) of a bridge. It can reliably transfer the stress of the bridge deck to the bridge pier, and has a certain shock absorption and buffering effect, avoiding damage caused by rigid connection between the bridge deck and the bridge pier.

[0003] In the prior art, the patent document with the publication number CN209468682U provides a bridge bearing. The device includes a bridge bearing main body, which includes a bearing plate and a sliding block slidably connected to the bearing plate. The bearing plate is provided with a guiding groove with a T-shaped longitudinal section, and the lower end of the sliding block is clamped in the guiding groove and can slide along the inner wall of the guiding groove; the bridge bearing main body further includes a mounting seat, the mounting seat is provided with a rubber bearing mounting groove with an opening vertically downward, the upper end of the sliding block is inserted into the rubber bearing mounting groove, and a rubber bearing is provided between the top surface of the sliding block and the bottom surface of the rubber bearing mounting groove for support.

[0004] Although the device has many beneficial effects, there are still the following problems: during the long-term use of the device, the rubber material is prone to problems such as hardening or aging, and necking phenomenon will occur during the force transmission process, resulting in uneven reaction force. Therefore, improvement is needed. In view of this, we propose a bridge bearing. Content of the Utility Model

[0005] 1. Technical Problems to be Solved

[0006] The purpose of the utility model is to provide a bridge bearing to solve the problems proposed in the above background art, that is, the rubber material is prone to problems such as hardening or aging, and necking phenomenon will occur during the force transmission process, resulting in uneven reaction force.

[0007] 2. Technical Solution

[0008] A bridge bearing includes a base assembly, the base assembly includes a lower mounting base, and a baffle is arranged on the upper part of the lower mounting base;

[0009] A shock absorption assembly, the shock absorption assembly includes a lower shock absorption base, the lower shock absorption base is arranged inside the baffle, and a plurality of movable balls, an upper shock absorption base and an upper mounting base are arranged on the upper part of the lower shock absorption base;

[0010] A buffer assembly, the buffer assembly includes a plurality of upper mounting blocks, a plurality of compression springs and a plurality of lower mounting blocks.

[0011] Preferably, the lower shock-absorbing base is provided with a plurality of lower movable grooves, the upper part of the lower shock-absorbing base is provided with a fitting cavity, and movable balls are fitted in the lower movable grooves.

[0012] Preferably, buffer rubbers are provided around the fitting cavity.

[0013] Preferably, an upper shock-absorbing base is provided on the upper part of the lower shock-absorbing base. An upper movable groove is provided at the bottom of the upper shock-absorbing base, and an upper mounting base is provided at the top of the upper shock-absorbing base. The movable balls are fitted in the upper movable groove.

[0014] Preferably, the lower mounting block is arranged at the bottom of the compression spring, the upper mounting block is arranged at the top of the compression spring. The material of the compression spring is stainless steel. The compression spring is connected to the upper mounting base through the upper mounting block. Through holes are provided on both the lower mounting block and the upper mounting block.

[0015] Preferably, the movable ball includes a steel ball and a rubber ball sleeve. The rubber ball sleeve is arranged outside the steel ball to wrap the steel ball, and the material of the steel ball is stainless steel.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present utility model are as follows:

[0018] Through the cooperation of the upper shock-absorbing base, the lower shock-absorbing base and a plurality of movable balls, the present utility model disperses and transmits the pressure to the lower shock-absorbing base. Then, the compression spring is further used to reduce the pressure impact and extend the service life of the shock-absorbing component. At the same time, during the force transmission process, the buffer rubber enables the side surface of the upper shock-absorbing base to be in soft contact with the baffle, reducing impact damage. The structure design of the present utility model is compact and reasonable, with uniform and stable force application, which can make the overall force of the bridge bearing stable, without causing adverse effects such as rubber hardening or aging that are prone to occur in rubber materials, and there will be no necking phenomenon during the force transmission process, resulting in uneven reaction forces, improving the safety of the bridge. Brief description of the drawings

[0019] Figure 1 It is a front view schematic diagram of a bridge bearing of the present utility model;

[0020] Figure 2 It is a sectional view schematic diagram of a bridge bearing of the present utility model;

[0021] Figure 3 It is an overall disassembly schematic diagram of a bridge bearing of the present utility model;

[0022] Figure 4 It is a disassembly schematic diagram of a movable ball of a bridge bearing of the present utility model.

[0023] 100. Base assembly; 101. Lower mounting base; 102. Baffle; 200. Shock absorption assembly; 201. Lower shock absorption base; 202. Lower movable groove; 203. Movable ball; 204. Matching cavity; 205. Buffer rubber; 206. Upper shock absorption base; 207. Upper movable groove; 208. Upper mounting base; 209. Steel ball; 300. Buffer assembly; 301. Upper mounting block; 302. Spring; 303. Lower mounting block. Detailed implementation mode

[0024] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0025] In the description of the present invention, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0027] Please refer to Figures 1-4 , the present invention provides a technical solution:

[0028] A bridge bearing includes a base assembly 100. The base assembly 100 includes a lower mounting base 101, and a baffle 102 is arranged on the upper part of the lower mounting base 101; the shock absorption assembly 200 includes a lower shock absorption base 201, the lower shock absorption base 201 is arranged inside the baffle 102, and a plurality of movable balls 203, an upper shock absorption base 206 and an upper mounting base 208 are arranged on the upper part of the lower shock absorption base 201; the buffer assembly 300 includes a plurality of upper mounting blocks 301, a plurality of compression springs 302 and a plurality of lower mounting blocks 303.

[0029] First, to ensure that the lower shock-absorbing base 201 can accommodate the movable ball 203 and cooperate with the upper shock-absorbing base 206, specifically, the lower shock-absorbing base 201 is provided with a plurality of lower movable grooves 202, a mating cavity 204 is provided on the upper part of the lower shock-absorbing base 201, and the movable ball 203 is fitted in the lower movable groove 202.

[0030] Next, to ensure that the upper shock-absorbing base 206 is in soft contact with the baffle 102 and the buffer rubber 205 can play a role, specifically, buffer rubbers 205 are provided around the mating cavity 204, and the material of the buffer rubbers 205 is CR for weather-resistant vulcanized rubber material.

[0031] Secondly, to ensure that the upper shock-absorbing base 206 can cooperate with the movable ball 203, specifically, the upper shock-absorbing base 206 is provided on the upper part of the lower shock-absorbing base 201, an upper movable groove 207 is provided at the bottom of the upper shock-absorbing base 206, an upper mounting base 208 is provided at the top of the upper shock-absorbing base 206, and the movable ball 203 is fitted in the upper movable groove 207.

[0032] Then, to ensure that the compression spring 302 can be connected to the lower mounting block 303 and the upper mounting block 301, the compression spring 302 can be connected to the lower mounting base 101 and the upper mounting base 208 through the lower mounting block 303 and the upper mounting block 301, and the compression spring 302 can play a role, specifically, the lower mounting block 303 is welded to the bottom of the compression spring 302, the upper mounting block 301 is welded to the top of the compression spring 302, the material of the compression spring 302 is stainless steel material, a plurality of compression springs 302 are provided around the baffle 102, the compression spring 302 is connected to the lower mounting base 101 through the lower mounting block 303, the compression spring 302 is connected to the upper mounting base 208 through the upper mounting block 301, and through holes are provided in both the lower mounting block 303 and the upper mounting block 301.

[0033] Finally, to extend the service life of the steel ball 209, avoid the direct contact between the steel ball 209 and the lower movable groove 202 and the upper movable groove 207, and the steel ball 209 and the rubber ball sleeve 210 can play a role, specifically, the movable ball 203 includes the steel ball 209 and the rubber ball sleeve 210, the rubber ball sleeve 210 is arranged outside the steel ball 209 to wrap the steel ball 209, the material of the steel ball 209 is stainless steel material, and the material of the rubber ball sleeve 210 is CR for weather-resistant vulcanized rubber material.

[0034] Working principle: When the device needs to provide force support, first, when the pressure is transmitted downward from the upper mounting base 208, it is initially buffered by the compression spring 302 in the buffer assembly 300. Then, the lower shock-absorbing base 201 and the upper shock-absorbing base 206 cooperate with each other, and the force is evenly distributed to the lower moving groove 202 through a plurality of movable balls 203 arranged in the center. Then, the force is transmitted to the lower mounting base 101 through the lower moving groove 202 and evenly distributed to the bridge pier to complete the force transmission. At the same time, during the force transmission process, the rubber ball sleeve 210 can play a role in buffering and shock absorption, extending the service life of the steel ball 209. In some cases, the buffer rubber 205 on the inner wall of the baffle 102 can buffer the contact between the upper shock-absorbing base 206 and the baffle 102, extending the service life of the baffle 102.

[0035] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge bearing, characterized in that, It includes a base assembly (100), and the base assembly (100) includes a lower mounting base (101), and a baffle (102) is arranged on the upper part of the lower mounting base (101); A shock absorption assembly (200), the shock absorption assembly (200) includes a lower shock absorption base (201), the lower shock absorption base (201) is arranged inside the baffle (102), and a plurality of movable balls (203), an upper shock absorption base (206) and an upper mounting base (208) are arranged on the upper part of the lower shock absorption base (201); A buffer assembly (300), the buffer assembly (300) includes a plurality of upper mounting blocks (301), a plurality of compression springs (302) and a plurality of lower mounting blocks (303).

2. The bridge bearing according to claim 1, wherein, The lower shock absorption base (201) is provided with a plurality of lower movable grooves (202), a fitting cavity (204) is arranged on the upper part of the lower shock absorption base (201), and the movable balls (203) are fitted in the lower movable grooves (202).

3. The bridge bearing according to claim 2, characterized in that, Buffer rubber (205) is arranged around the fitting cavity (204).

4. A bridge bearing according to claim 3, characterized in that, An upper shock absorption base (206) is arranged on the upper part of the lower shock absorption base (201), an upper movable groove (207) is arranged at the bottom of the upper shock absorption base (206), an upper mounting base (208) is arranged at the top of the upper shock absorption base (206), and the upper movable groove (207) is fitted with the movable balls (203).

5. A bridge bearing according to claim 4, characterized in that, The lower mounting block (303) is arranged at the bottom of the compression spring (302), the upper mounting block (301) is arranged at the top of the compression spring (302), the material of the compression spring (302) is stainless steel, the compression spring (302) is connected to the upper mounting base (208) through the upper mounting block (301), and through holes are arranged on both the lower mounting block (303) and the upper mounting block (301).

6. The bridge bearing according to claim 5, characterized in that, The movable ball (203) includes a steel ball (209) and a rubber ball sleeve (210), the rubber ball sleeve (210) is arranged outside the steel ball (209) to wrap the steel ball (209), and the material of the steel ball (209) is stainless steel.

Citation Information

Patent Citations

  • Bridge support

    CN209468682U