CN110067191B

CN110067191B - Bridge bearing

Info

Publication number: CN110067191B
Application number: CN201910450129.5A
Authority: CN
Inventors: 倪永军; 刘琛; 张雪峰; 安昱昊; 祁帅; 王怡昕; 刘胜军; 张志强
Original assignee: Beijing Jiaotong University
Current assignee: Beijing Jiaotong University
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-12-15
Anticipated expiration: 2039-05-28
Also published as: CN110067191A

Abstract

The invention discloses a bridge support which comprises a lower support and an upper support, wherein an arc-shaped concave surface is formed in the center of the upper surface of the lower support, a middle steel plate is arranged in the arc-shaped concave surface of the lower support, the lower end of the middle steel plate is matched and connected with the arc-shaped concave surface of the lower support through an arc-shaped convex shape, a fixed seat is arranged on the outer side of the arc-shaped concave surface of the upper surface of the lower support, a fixed column is arranged at the upper end of the fixed seat, the upper support is arranged above the lower support, a connecting plate is fixedly arranged on the lower surface of the upper support, a plurality of groups of limiting parts are arranged on the upper surface of the connecting plate through grooves, and the lower ends of the limiting parts. The invention has simple structure, ensures the integral stability and has good sliding performance.

Description

Bridge bearing

Technical Field

The invention relates to the technical field of bridges, in particular to a bridge support.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The main modes of the existing bridge support are plate type rubber support, basin type rubber support, spherical steel support, vibration reduction and isolation support and damping support.

In order to ensure that the bridge can have good stability when great vibration appears, its bridge beam supports generally all have good sliding ability to reduce bridge floor and holistic vibration, and traditional bridge beam supports all realize through setting up arc holding surface and arc supporting seat, make the arc supporting seat slide in the inboard of arc holding surface, however, its whole level of sliding still is difficult to satisfy the demand.

Disclosure of Invention

The invention aims to provide a bridge support to solve the problems that the traditional bridge support has a small sliding level and is difficult to meet the requirements of limiting and energy consumption under large deformation such as ground vibration.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bridge bearing, includes undersetting, upper bracket, the arc concave surface has been seted up at the upper surface center department of undersetting, just the undersetting is provided with middle steel sheet in the arc concave surface, the lower extreme of middle steel sheet is connected through the arc concave surface cooperation that sets up to arc convex and undersetting, the upper surface of undersetting is provided with the fixing base in the outside of arc concave surface, the upper end of fixing base is provided with the fixed column, the upper bracket sets up in the top of undersetting, the lower fixed surface of upper bracket is provided with connects the plate, connect the upper surface of plate and install the multiunit locating part through seting up the recess, and the multiunit the lower extreme of locating part all install in the draw-in groove of seting up.

Preferably, the clamping grooves in the upper surface of the middle steel plate are provided with buffer blocks outside the corresponding limiting assemblies.

Preferably, the maximum thickness of the middle steel plate is larger than the depth of the arc concave surface of the upper surface of the lower support.

Preferably, a notch is formed between the upper surface and the outer side of the middle steel plate, a damping pad is fixedly arranged on the inner side of the notch, and the upper surface of the damping pad is abutted to the lower surface of the connecting plate.

Preferably, the fixing base is provided with a plurality of groups, and is respectively arranged on two sides of the upper surface of the lower support, the whole fixing base is in a round platform shape, and the lower end of the fixing column is arranged at the center of the upper end of the fixing base.

Preferably, the both sides lower surface of upper bracket is provided with coupling assembling with the fixed column junction, coupling assembling is whole to be platelike, coupling assembling's lower surface has seted up the connecting hole with the fixed column upper end department of correspondence, just coupling assembling is provided with the damping cover in the inboard of connecting hole, the damping cover establish in the fixed column upper end outside.

Preferably, the upper surface of undersetting is at the outside supporting seat of arc concave surface, the supporting seat is whole to be cyclic annular, just the upper end inboard of supporting seat is through setting up the ladder face and being connected the outside butt of plate lower extreme.

Preferably, the upper end of the supporting seat is provided with an annular cushion pad at the inner wall of the stepped surface.

Compared with the prior art, the invention has the beneficial effects that:

1. the friction construction is constructed between the upper support and the lower support to provide a moving or rotating function, meanwhile, in the installation process, a plurality of groups of limiting pieces are arranged between the upper surface of the middle steel plate and the lower surface of the connecting plate block, so that sliding or fixing is realized, convenience and rapidness are realized, and the upper support and the lower support are connected through the connecting component and the fixing column, so that the integral stability is effectively enhanced.

Drawings

FIG. 1 is a schematic structural view of an entire bridge support;

FIG. 2 is a top view of a middle steel plate of a bridge support;

fig. 3 is a schematic structural view of a connecting assembly of a bridge bearing.

In the figure: 1. a lower support; 2. an upper support; 3. an arc-shaped concave surface; 4. an intermediate steel plate; 5. a fixed seat; 6. fixing a column; 7. connecting the plate members; 8. a limiting member; 9. a connecting assembly; 10. connecting holes; 11. and (4) supporting the base.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bridge bearing, includes undersetting 1, upper bracket 2, arc concave surface 3 has been seted up at the upper surface center department of undersetting 1, just undersetting 1 is provided with middle steel sheet 4 in the arc concave surface 3, middle steel sheet 4's lower extreme is connected through setting up to the arc convex with the cooperation of undersetting 1's arc concave surface 3, the upper surface of undersetting 1 is provided with fixing base 5 in the outside of arc concave surface 3, the upper end of fixing base 5 is provided with fixed column 6, upper bracket 2 sets up in the top of undersetting 1, the lower fixed surface of upper bracket 2 is provided with connects plate 7, connect plate 7's upper surface and install multiunit locating part 8 through seting up the recess, and the multiunit the lower extreme of locating part 8 all install in the draw-in groove that middle steel sheet 4 upper surface was seted.

In the invention, the clamping grooves on the upper surface of the middle steel plate 4 are respectively provided with a buffer block outside the corresponding limiting component.

In the invention, the maximum thickness of the middle steel plate 4 is larger than the depth of the arc concave surface 3 on the upper surface of the lower support 1.

Preferably, a notch is formed between the upper surface and the outer side of the middle steel plate 4, a damping pad is fixedly arranged at the inner side of the notch, and the upper surface of the damping pad is abutted against the lower surface of the connecting plate 7.

Preferably, the fixing base 5 is provided with a plurality of groups and is respectively arranged on two sides of the upper surface of the lower support 1, the whole fixing base 5 is in a circular truncated cone shape, and the lower end of the fixing column 6 is arranged at the center of the upper end of the fixing base 5, so that the vibration of the lower support 1 can be effectively reduced.

As preferred, the both sides lower surface of upper bracket 2 is provided with coupling assembling 9 with fixed column 6 junction, coupling assembling 9 is wholly platelike, coupling assembling 9's lower surface has seted up connecting hole 10 with fixed column 6 upper end correspondence department, just coupling assembling 9 is provided with the damping cover in the inboard of connecting hole 10, the damping cover establish in the fixed column 6 upper end outside.

Preferably, the upper surface of the lower support 1 is arranged on the outer side of the arc-shaped concave surface 3 to form a support seat 11, the support seat 11 is integrally annular, and the inner side of the upper end of the support seat 11 is abutted to the outer side of the lower end of the connecting plate 7 through the arranged stepped surface.

Preferably, an annular cushion pad is mounted at the inner wall of the stepped surface at the upper end of the support seat 11.

The working principle is as follows: when using, the lower extreme of middle steel sheet 4 and the cooperation installation of the arc concave surface 3 of 1 upper surface center department of undersetting, when connecting upper bracket 2, with the connection plate lower surface of 2 lower surfaces of upper bracket and 4 upper surface butts of middle steel sheet, be connected the coupling assembling 9 that the 2 outside of upper bracket set up simultaneously with the fixed column 6 cooperation in the 1 outside of undersetting, and through upper bracket 2, establish the friction between undersetting 1 and construct, be used for providing removal or pivoted function, simultaneously, in the installation, set up multiunit locating part 8 between the upper surface of middle steel sheet 4 and connection plate lower surface, thereby realize sliding or fixing, convenient and fast, and upper bracket 2, pass through coupling assembling 9 between the lower, fixed column 6 connects, thereby the effectual holistic stability that has strengthened.

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. A bridge support is characterized by comprising a lower support (1) and an upper support (2), wherein an arc-shaped concave surface (3) is formed in the center of the upper surface of the lower support (1), a middle steel plate (4) is arranged in the arc-shaped concave surface (3) of the lower support (1), the lower end of the middle steel plate (4) is matched and connected with the arc-shaped concave surface (3) of the lower support (1) in an arc-shaped convex manner, a fixed seat (5) is arranged on the outer side of the arc-shaped concave surface (3) of the upper surface of the lower support (1), a fixed column (6) is arranged at the upper end of the fixed seat (5), the upper support (2) is arranged above the lower support (1), a connecting plate (7) is fixedly arranged on the lower surface of the upper support (2), and a plurality of limiting parts (8) are arranged on the upper surface of the, the lower ends of the plurality of groups of limiting pieces (8) are all arranged in clamping grooves formed in the upper surface of the middle steel plate (4);

the upper surface of the lower support (1) is supported by an outer side support seat (11) of the arc-shaped concave surface (3), the support seat (11) is integrally annular, and the inner side of the upper end of the support seat (11) is abutted to the outer side of the lower end of the connecting plate (7) through a step surface;

a notch is formed between the upper surface and the outer side of the middle steel plate (4), a damping pad is fixedly arranged on the inner side of the notch, and the upper surface of the damping pad is abutted against the lower surface of the connecting plate (7);

the utility model discloses a damping support for fixing column, including upper bracket (2), upper bracket (6), coupling assembling (9) and lower surface, the both sides lower surface of upper bracket (2) is provided with coupling assembling (9) with fixed column (6) junction, coupling assembling (9) wholly is platelike, coupling assembling (9) the lower surface with fixed column (6) upper end correspond the department seted up connecting hole (10), just coupling assembling (9) are provided with the damping cover in the inboard of connecting hole (10), the damping cover establish in fixed column (6) upper end outside.

2. A bridge support according to claim 1, wherein: and buffer blocks are arranged outside the corresponding limiting assemblies in the clamping grooves on the upper surface of the middle steel plate (4).

3. A bridge support according to claim 1, wherein: the maximum thickness of the middle steel plate (4) is larger than the depth of the arc concave surface (3) on the upper surface of the lower support (1).

4. A bridge support according to claim 1, wherein: the fixing seat (5) is provided with a plurality of groups and is respectively arranged on two sides of the upper surface of the lower support (1), the whole fixing seat (5) is in a round table shape, and the lower end of the fixing column (6) is arranged at the center of the upper end of the fixing seat (5).

5. A bridge support according to claim 1, wherein: and an annular cushion pad is arranged at the inner wall of the upper end of the supporting seat (11) at the step surface.