CN220521078U

CN220521078U - Bridge rubber support

Info

Publication number: CN220521078U
Application number: CN202321735253.4U
Authority: CN
Inventors: 高莹; 穆朝卫; 何联帝
Original assignee: China Nuclear Northwest Construction Group Co ltd
Current assignee: China Nuclear Northwest Construction Group Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-02-23
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a damping device which comprises an upper flange plate and a lower flange plate, wherein a damping component is arranged between the upper flange plate and the lower flange plate, baffle plates and plate springs are respectively arranged at two ends of the upper flange plate, the plate springs are symmetrically arranged at two ends of the damping component, pull plates are movably connected at right angles of the upper flange plate and the lower flange plate, and through arranging the plate springs and the baffle plates, when a bridge Liang Chuxian connected with the upper flange plate is laterally displaced left and right in use, the whole support is abutted against a backing plate through the plate springs to exert the effects of damping and resetting.

Description

Bridge rubber support

Technical Field

The utility model relates to the technical field of bridge supports, in particular to a bridge rubber support.

Background

The bridge rubber support is formed by vulcanizing and bonding a plurality of layers of rubber sheets and thin steel plates, has enough vertical rigidity, can reliably transmit counterforce of an upper structure to a pier, has good elasticity, is suitable for rotation of a beam end, and has larger shearing deformation capacity so as to meet the horizontal displacement of the upper structure.

The bridge supports can be divided into three types according to the motion characteristics, one is a fixed support, and the supports can only meet the rotation requirement of a bridge girder and cannot slide in the length and width directions of the girder; the support can limit the displacement of the bridge girder along the width direction of the bridge, bear the horizontal load of the girder and adapt to the expansion and contraction of the girder along the length direction of the bridge besides the rotation function; and the third is a bidirectional sliding support, and the support can slide in the length direction and the width length direction of the bridge besides the rotation function. Bridge supports can be divided into two types of steel supports and rubber supports according to materials, and at present, the supports in China mainly comprise rubber supports, wherein the one-way basin-type rubber supports are one of the most commonly used supports.

Chinese patent publication No. CN217869938U discloses a bridge shock attenuation basin-type rubber support, this prior art is through two side bars of fixedly connected with on two cardboard, connect the spring on two side bars, the other end of spring is connected on the connecting plate, it is spacing to carry out both sides to the cardboard through the elasticity of spring, let the cardboard carry out supplementary reset, avoid the cardboard skew too big, use more stably, in practice, coil spring that this structure used makes its cardboard reset, because its reset effect of bridge holistic quality is limited, simultaneously under the effect of too big vertical earthquake, this coil spring's can not bear great vertical pulling force, lead to the support to take off the air easily, destroy.

Accordingly, a person skilled in the art provides a bridge rubber support to solve the above-mentioned problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a bridge rubber support so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bridge rubber support, includes flange board and lower flange board, is provided with damper between flange board and the lower flange board, the both ends of going up the flange board are provided with baffle and leaf spring respectively, and leaf spring is located damper's both ends symmetry setting, and the right angle department swing joint of flange board and lower flange board has the arm-tie.

As a still further scheme of the utility model, the centers of the opposite surfaces of the upper flange plate and the lower flange plate are respectively provided with an upper surrounding edge and a lower surrounding edge, and the upper end and the lower end of the damping component are respectively arranged in the upper surrounding edge and the lower surrounding edge.

As a still further scheme of the utility model, the damping component comprises protective rubber, a lead core and an inner buffer component, wherein the lead core is embedded and installed at the center of the inner buffer component, the protective rubber is arranged at the periphery of the inner buffer component in a wrapping way, the inner buffer component is formed by laminating functional rubber and skeleton plates layer by layer, and sealing plates are installed at the upper end and the lower end of the inner buffer component respectively through bolts.

As a still further proposal of the utility model, two ends of the upper surrounding edge and the lower surrounding edge are respectively provided with a base plate, and the plane at one side of the base plate is contacted with the plate spring.

As a still further proposal of the utility model, two groups of baffle plates of the upper flange plate are symmetrically arranged, two ends of the plate spring are fixedly connected with the two groups of baffle plates, and rib plate structures are welded between the side surfaces of the two groups of baffle plates and the upper flange plate.

As a still further proposal of the utility model, the opposite sides of the right angle position of the upper flange plate and the lower flange plate are respectively and fixedly provided with an upper shaft seat and a lower shaft seat, and a pull plate is movably arranged between the upper shaft seat and the lower shaft seat through a shaft lever.

As a still further proposal of the utility model, the two ends of the pulling plate are provided with kidney-shaped holes, and the diameter or the width of the kidney-shaped holes is larger than the diameters of the upper shaft seat and the lower shaft seat upper shaft rod.

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

1. through setting up leaf spring, baffle, when this support is whole in use if the bridge Liang Chuxian of last flange plate connection side direction displacement about, support tight backing plate atress through the leaf spring, play buffering shock attenuation and the effect that resets, this structure compares traditional coil spring, its buffering and reset effect ability is stronger, simple structure simultaneously, it is longer than coil spring's life, in order to make leaf spring can be suitable for the front and back displacement condition that the bridge appears, the one end of its leaf spring can appear the condition of back and forth sliding in the plane of backing plate.

2. Through the arm-tie that sets up and upper and lower axle bed, under the effect of the too big vertical earthquake appears, guarantee through the arm-tie that upper flange board and lower flange board can not take off easily and damage, in order to guarantee that this support can be suitable for the condition that the bridge appears tiny back-and-forth displacement simultaneously equally, the waist shape hole of seting up on the arm-tie all is greater than the axostylus axostyle diameter on the axle bed, makes the arm-tie have certain movable range space, compares with traditional coil spring, the vertical tensile effect of support that improves.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a bridge rubber bearing;

FIG. 2 is a schematic diagram of a dismounting structure of an upper flange plate and a lower flange plate of a bridge rubber support;

FIG. 3 is a schematic diagram of an assembly structure of a damping component of a bridge rubber bearing;

fig. 4 is a schematic diagram of the bottom structure of the upper flange plate of the bridge rubber bearing.

In the figure: 1. an upper flange plate; 101. an upper shaft seat; 102. a lower shaft seat; 103. a lower flange plate; 104. a shock absorbing assembly; 105. a plate spring; 106. a baffle; 107. pulling a plate; 108. a lower peripheral edge; 109. protecting rubber; 110. a backing plate; 111. a sealing plate; 112. an upper peripheral edge; 113. an inner buffer assembly; 114. and a lead core.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present utility model, a bridge rubber support includes an upper flange plate 1 and a lower flange plate 103, and a damper assembly 104 is disposed between the upper flange plate 1 and the lower flange plate 103.

As shown in fig. 1-4, two ends of the upper flange plate 1 are respectively provided with a baffle 106 and a plate spring 105, the plate spring 105 is symmetrically arranged at two ends of the shock absorbing assembly 104, a pull plate 107 is movably connected at right angles of the upper flange plate 1 and the lower flange plate 103, an upper surrounding edge 112 and a lower surrounding edge 108 are respectively arranged at the centers of opposite surfaces of the upper flange plate 1 and the lower flange plate 103, the upper end and the lower end of the shock absorbing assembly 104 are respectively arranged inside the upper surrounding edge 112 and the lower surrounding edge 108, two ends of the upper surrounding edge 112 and the lower surrounding edge 108 are respectively provided with a base plate 110, a plane at one side of the base plate 110 is in contact with the plate spring 105, two groups of baffle 106 of the upper flange plate 1 are symmetrically arranged, two ends of the plate spring 105 are fixedly connected with the two groups of baffle 106, and a rib plate structure is further welded between the side surfaces of the two groups of baffle 106 and the upper flange plate 1.

When the support is used, the upper flange plate 1 and the lower flange plate 103 are respectively connected with a bridge and a bridge frame through bolts, lateral displacement occurs to the bridge, two groups of baffle plates 106 on the upper flange plate 1 are matched with the base plates 110 to form extrusion on the base plates 105, the set base plates 105 facilitate the reset of the upper flange plate 1 on one hand, the damping components 104 can be assisted to play a role in damping and buffering left and right on the other hand, and in the case of the possible front and rear displacement of the bridge, one end of the base plates 105 can displace on the plane of the base plates 110 in order to avoid the damage of the base plates 105.

As shown in fig. 3, the shock absorbing assembly 104 includes a protection rubber 109, a lead core 114 and an inner buffer assembly 113, the lead core 114 is embedded in the center of the inner buffer assembly 113, the protection rubber 109 is wrapped around the inner buffer assembly 113, the inner buffer assembly 113 is formed by stacking functional rubber and skeleton plates layer by layer, sealing plates 111 are mounted at the upper and lower ends of the inner buffer assembly 113 through bolts respectively, and the shock absorbing effect of bearing vertical pressure is achieved through the shock absorbing assembly 104.

As shown in fig. 1-4, two groups of baffle plates 106 of the upper flange plate 1 are symmetrically arranged, two ends of a plate spring 105 are fixedly connected with the two groups of baffle plates 106, rib plate structures are welded between the side surfaces of the two groups of baffle plates 106 and the upper flange plate 1, an upper shaft seat 101 and a lower shaft seat 102 are respectively and fixedly arranged on opposite sides of right angles of the upper flange plate 1 and the lower flange plate 103, a pull plate 107 is movably arranged between the upper shaft seat 101 and the lower shaft seat 102 through a shaft rod, kidney-shaped holes are formed in two ends of the pull plate 107, and the diameter or the width of each kidney-shaped hole is larger than that of an upper shaft rod of the upper shaft seat 101 and that of an upper shaft rod of the lower shaft seat 102.

Under the effect of oversized vertical earthquake, the upper flange plate 1 and the lower flange plate 103 are not easy to be emptied and damaged through the pull plate 107, and the waist-shaped holes formed in the pull plate 107 are larger than the diameters of the shaft rods on the upper shaft seat 101 and the lower shaft seat 102 so that the pull plate 107 has a certain movement range space, and compared with the traditional spiral spring, the improved vertical tensile effect of the support is achieved.

The working principle of the utility model is as follows: when the support is used, the upper flange plate 1 and the lower flange plate 103 are respectively connected with a bridge and a bridge frame through bolts, left and right lateral displacement occurs to the bridge, two groups of baffle plates 106 on the upper flange plate 1 are matched with the base plates 110 to form extrusion on the plate springs 105, the arranged plate springs 105 are convenient for the upper flange plate 1 to reset on one hand, on the other hand, the damping assembly 104 can be assisted to play a role in damping and buffering left and right, under the condition of possible front and rear displacement of the bridge, in order to avoid the damage of the plate springs 105, one end of the plate springs 105 can displace on the plane of the base plates 110, under the effect of overlarge vertical earthquake, the upper flange plate 1 and the lower flange plate 103 are not easy to void and damage through the pull plates 107, and also in order to ensure that the support can be simultaneously suitable for the condition of tiny front and rear displacement of the bridge, the waist-shaped hole size formed on the pull plates 107 is larger than the diameter of the shaft rod on the upper shaft seat 101 and the lower shaft seat 102, so that the pull plates 107 have a certain movable range of space, compared with the traditional coil springs, and the vertical tensile effect of the support is improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a bridge rubber support, includes flange board (1) and lower flange board (103), is provided with damper (104) between upper flange board (1) and lower flange board (103), its characterized in that: baffle (106) and leaf spring (105) are provided with respectively at the both ends of last flange board (1), and leaf spring (105) are located the both ends symmetry setting of damper (104), and the right angle department swing joint of going up flange board (1) and lower flange board (103) has arm-tie (107).

2. The bridge rubber support according to claim 1, wherein an upper surrounding edge (112) and a lower surrounding edge (108) are respectively arranged at the centers of opposite surfaces of the upper flange plate (1) and the lower flange plate (103), and the upper end and the lower end of the shock absorption component (104) are respectively arranged inside the upper surrounding edge (112) and the lower surrounding edge (108).

3. The bridge rubber support according to claim 1, wherein the shock absorbing assembly (104) comprises a protection rubber (109), a lead core (114) and an inner buffer assembly (113), the lead core (114) is embedded and installed at the center of the inner buffer assembly (113), the protection rubber (109) is arranged on the periphery of the inner buffer assembly (113) in a wrapping mode, the inner buffer assembly (113) is formed by stacking functional rubber and framework plates one by one, and sealing plates (111) are installed at the upper end and the lower end of the inner buffer assembly (113) through bolts respectively.

4. The bridge rubber support according to claim 2, wherein the upper surrounding edge (112) and the lower surrounding edge (108) are provided with a base plate (110) at both ends, and a plane on one side of the base plate (110) is in contact with the plate spring (105).

5. The bridge rubber support according to claim 4, wherein two groups of baffles (106) of the upper flange plate (1) are symmetrically arranged, two ends of the plate spring (105) are fixedly connected with the two groups of baffles (106), and rib plate structures are welded between the side surfaces of the two groups of baffles (106) and the upper flange plate (1).

6. The bridge rubber support according to claim 2, wherein an upper shaft seat (101) and a lower shaft seat (102) are fixedly arranged on opposite sides of the right angle position of the upper flange plate (1) and the right angle position of the lower flange plate (103), and a pull plate (107) is movably arranged between the upper shaft seat (101) and the lower shaft seat (102) through a shaft rod.

7. The bridge rubber support according to claim 6, wherein kidney-shaped holes are formed in two ends of the pulling plate (107), and the diameter or width of the kidney-shaped holes is larger than the diameters of upper shaft rods of the upper shaft seat (101) and the lower shaft seat (102).