CN218756962U

CN218756962U - Bridge anti-seismic support

Info

Publication number: CN218756962U
Application number: CN202223209387.0U
Authority: CN
Inventors: 李平
Original assignee: Shaanxi Zhongxin Liansheng Engineering Project Management Co ltd
Current assignee: Shaanxi Zhongxin Liansheng Engineering Project Management Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-28
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a bridge anti-seismic support belongs to bridge beam supports technical field. The utility model discloses a bear the base, bear the base upper surface fixed mounting and have a plurality of telescopic links, telescopic link top fixedly connected with bears the roof, bear the base and bear and be equipped with the support between the roof, bear the base upper surface and seted up a plurality of spacing grooves down, bear the roof lower surface and seted up a plurality of upper limit groove, during spacing groove and upper limit groove were inserted respectively to support bottom and top, the equal fixedly connected with support bottom plate of lower extreme on the support, the surface that support bottom plate is close to the support is equipped with the bearing plate, support bottom plate is close to the surface that bears the base or bear the roof and is equipped with the blotter, support bottom plate and blotter and last, spacing groove size phase-match down. The utility model discloses a setting bears the base, bears roof, hydraulic jack, support bottom plate and cushion, and it is easier to overhaul the change, and the dismouting is simpler.

Description

Bridge anti-seismic support

Technical Field

The utility model belongs to the technical field of the bridge beam supports, especially, relate to a bridge anti-seismic support.

Background

The bridge bearing is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between the bridge and the pad stone, can reliably transfer load and deformation (displacement and corner) borne by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge.

Chinese patent publication No. CN209538015U discloses an "anti-seismic bridge support, which includes a first connecting member, a second connecting member, and an anti-seismic device, where the first connecting member is connected to a bottom of a bridge, the second connecting member is connected to a pier of the bridge, the anti-seismic device includes a first sliding member, a second sliding member, and a spherical cap body, the first sliding member is connected to the first connecting member, the second sliding member is connected to the second connecting member, the spherical cap body is located between the first sliding member and the second sliding member, and the first sliding member and the second sliding member are engaged, and the anti-seismic support can effectively reduce vibration of the bridge, but after long-time use, the connecting portions such as the spherical cap body are worn and need to be repaired and replaced, but when the anti-seismic support is separately fixed in a bridge structure, the upper and lower ends of the anti-seismic support can be connected between upper and lower structures of the bridge, and the anti-seismic support cannot be conveniently detached.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge anti-seismic support solves the inconvenient problem of prior art dismouting.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a bridge antidetonation support, including bearing the base, bear fixed surface and install a plurality of telescopic links on the base, telescopic link top fixedly connected with bears the roof, bear the base and bear and be equipped with the support between the roof, bear the base upper surface and seted up a plurality of spacing grooves down, bear the roof lower surface and seted up a plurality of upper limit grooves, insert respectively in spacing groove and the upper limit groove in support bottom and top, the equal fixedly connected with support bottom plate of lower extreme on the support, the surface that support bottom plate is close to the support is equipped with the bearing plate, support bottom plate is close to the surface that bears the base or bear the roof and is equipped with the blotter, support bottom plate and blotter and upper and lower spacing groove size phase-match.

Preferably, a hydraulic jack is arranged in the center of the upper surface of the bearing base, a temporary top plate is installed at the top end of the hydraulic jack, and the stroke of the hydraulic jack is matched with that of the telescopic rod.

Preferably, a first sliding column is fixedly connected to the upper surface of the bearing plate below, a hemispherical groove is formed in the top end of the first sliding column, and a spherical crown body is slidably connected to the hemispherical groove.

Preferably, the upper part is fixedly connected with a second sliding column on the lower surface of the bearing plate, and a connecting groove is formed in the top end of the second sliding column.

Preferably, the connecting groove is matched with the spherical crown body in size, and the inner wall of the connecting groove is in sliding fit with the outer wall of the first sliding column.

Preferably, the first sliding column and the second sliding column are provided with anti-seismic plates on two sides, and anti-seismic springs are fixedly connected to opposite surfaces of the anti-seismic plates.

Preferably, the opposite surfaces of the upper and lower support base plates are fixedly connected with protective covers.

The utility model discloses following beneficial effect has:

the utility model discloses a setting bears the base, bear the roof, hydraulic jack, a support, support bottom plate and cushion, can put into the support bottom plate of a plurality of supports during the use and bear the base, the preparation bottom plate at support top is put into and is born the roof, thereby convenient fixed position, bear the bridge by each support, long-time use back support takes place wearing and tearing need overhaul or when changing, start hydraulic jack and can support temporarily and bear the roof, thereby make the support can directly take out to overhaul the change, until putting into new support and bear the base and bear the roof between the back hydraulic jack again can, it is easier to overhaul the change, the dismouting is simpler.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-seismic bridge support of the present invention;

fig. 2 is a front view of an anti-seismic bridge support of the present invention;

FIG. 3 is a side view of an anti-seismic bridge support according to the present invention;

fig. 4 is a schematic sectional structure view of an anti-seismic bridge support of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a load bearing base; 2. a telescopic rod; 3. a load bearing top plate; 4. a support; 5. a hydraulic jack; 6. a temporary roof; 101. a lower limiting groove; 301. an upper limiting groove; 401. a support base plate; 402. a pressure bearing plate; 403. a cushion pad; 404. a first sliding column; 406. a spherical cap body; 407. a second sliding column; 408. connecting grooves; 409. a seismic plate; 410. an anti-seismic spring; 411. a protective cover.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Please refer to fig. 1-fig. 5, the utility model relates to a bridge anti-seismic support, including bearing base 1, it has a plurality of telescopic links 2 to bear fixed surface mounting on

base

1, 2 top fixedly connected with of telescopic link bear roof 3, bear base 1 and bear and be equipped with support 4 between the roof 3, bear base 1 upper surface and seted up a plurality of lower spacing grooves 101, bear 3 lower surfaces of roof and seted up a plurality of upper spacing grooves 301, during spacing groove 101 and upper spacing groove 301 were inserted respectively to support 4 bottom and top, the equal fixedly connected with support bottom plate 401 of lower extreme on the support 4, support bottom plate 401 is close to support 4's surface and is equipped with bearing plate 402, support bottom plate 401 is close to the surface that bears base 1 or bear roof 3 and is equipped with blotter 403, support bottom plate 401 and blotter 403 with last, lower spacing groove size phase-match.

During the use, each support 4 bottom is placed in the lower limiting groove 101 of bearing base 1, the top of support 4 is inserted into the upper limiting groove 301 of bearing top plate 3, the pressure that support 4 bore is all spread on support bottom plate 401 through bearing plate 402, be equipped with blotter 403 between support bottom plate 401 and the limiting groove, slow down pressure, the part of support 4 takes place wearing and tearing after long-time the use, when needing to overhaul and change, only need take out each support 4 in proper order and change new support 4 can.

Bearing base 1 upper surface central authorities department is provided with hydraulic jack 5, interim roof 6 is installed on hydraulic jack 5 top, interim roof 6 can withstand bearing roof 3 after hydraulic jack 5 starts, hydraulic jack 5's stroke and telescopic link 2's stroke looks adaptation, hydraulic jack 5 jacks up to the highest time, just in time can take out support 4, the fixed surface is connected with first slip post 404 on the bearing plate 402 of below, the hemisphere recess has been seted up on first slip post 404 top, sliding connection has spherical crown body 406 in the hemisphere recess, the fixed surface is connected with second slip post 407 under the bearing plate 402 of top, spread groove 408 has been seted up on second slip post 407 top, spread groove 408 and spherical crown body 406 size phase-match, spread groove 408 inner wall and first slip post 404 outer wall sliding fit, through the swing joint between first slip post 404 and the second slip post 407, can subdue bridge vibrations when taking place, first slip post 404 and second slip post 407 both sides all are equipped with antidetonation board 409, antidetonation board 409 is connected with antidetonation board fixed connection has antidetonation spring 410 relatively, upper and lower support board 401, the protection cover 411 can further increase the protection effect of support, interior protection component 411.

The utility model discloses a theory of operation does: when the bridge bearing is installed, the bearing base 1 and the bearing top plate 3 are placed at the installation position of the bearing base 4, the bearing top plate 3 is lifted, the two ends of the bearing base 4 are respectively inserted into the upper limiting groove and the lower limiting groove of the bearing base 1 and the bearing top plate 3, the position of the bearing base 4 can be fixed, the buffering cushion 403 is made of soft materials such as rubber, deformation can be generated after bearing pressure is applied, gaps between the bearing base 4 and the limiting grooves can be filled, shaking is prevented, after the bearing base 4 is used for a long time, parts in the bearing base 4 are abraded and need to be overhauled or replaced, the hydraulic jack 5 is placed in the center of the bearing base 1 at the moment, the bearing top plate 3 is lifted through the temporary top plate 6, the bearing base 4 can be directly taken out from the bearing base 1 to the bearing top plate 3 at the moment, and overhauling or replacement is convenient.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a bridge anti-seismic support, is including bearing base (1), it has a plurality of telescopic links (2) to bear fixed surface to install on base (1), telescopic link (2) top fixedly connected with bears roof (3), bear base (1) and bear and be equipped with support (4), its characterized in that between roof (3):

bear base (1) upper surface and seted up a plurality of lower spacing grooves (101), bear roof (3) lower surface and seted up a plurality of upper spacing grooves (301), insert respectively in lower spacing groove (101) and upper spacing groove (301) on support (4) bottom and top, the equal fixedly connected with support bottom plate (401) of lower extreme on support (4), the surface that support bottom plate (401) are close to support (4) is equipped with bearing plate (402), support bottom plate (401) are close to the surface that bears base (1) or bear roof (3) and are equipped with blotter (403), support bottom plate (401) and blotter (403) and upper and lower spacing groove size phase-match.

2. An anti-seismic bridge bearing according to claim 1, wherein a hydraulic jack (5) is arranged in the center of the upper surface of the bearing base (1), a temporary top plate (6) is installed at the top end of the hydraulic jack (5), and the stroke of the hydraulic jack (5) is matched with that of the telescopic rod (2).

3. An anti-seismic bridge bearing according to claim 2, wherein a first sliding column (404) is fixedly connected to the upper surface of the lower bearing plate (402), a hemispherical groove is formed in the top end of the first sliding column (404), and a spherical crown body (406) is slidably connected in the hemispherical groove.

4. An anti-seismic bridge bearing according to claim 3, wherein a second sliding column (407) is fixedly connected to the lower surface of the upper bearing plate (402), and a connecting groove (408) is formed at the top end of the second sliding column (407).

5. An earthquake-resistant bridge support according to claim 4, wherein said connecting slot (408) is sized to match said spherical cap body (406), and an inner wall of said connecting slot (408) is slidably engaged with an outer wall of said first sliding column (404).

6. An anti-seismic bridge support according to claim 5, wherein anti-seismic plates (409) are arranged on two sides of the first sliding column (404) and the second sliding column (407), and anti-seismic springs (410) are fixedly connected to opposite surfaces of the anti-seismic plates (409).

7. An earthquake-resistant bridge support according to claim 6, wherein a protective covering (411) is fixedly attached to the opposite surfaces of said upper and lower support bottom plates (401).