CN212925750U

CN212925750U - Anti-seismic cylindrical support for highway bridge

Info

Publication number: CN212925750U
Application number: CN202021321003.2U
Authority: CN
Inventors: 田勇
Original assignee: Jiangsu Bulang New Material Technology Co Ltd
Current assignee: Jiangsu Bulang New Material Technology Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-09
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an anti-seismic cylindrical surface support for a highway bridge, which comprises a bearing plate, wherein the bottom of the bearing plate is movably provided with a buffer seat, the bottom of the buffer seat is fixedly provided with damping rubber, the bottom of the damping rubber is fixedly provided with a bearing base, a plurality of limiting rods are movably arranged between the bearing base and the buffer seat, and the limiting rods are annularly distributed around the damping rubber; the utility model discloses through the mutual joint of fixture block and draw-in groove between loading board and buffer seat, and buffer spring through inside setting forms the one deck buffer layer, thereby alleviate the vibrations of vehicle formation on the bridge, strengthen the life of bridge, set up damping rubber between buffer seat and bearing base, can cushion and consume energy when vibrations, the energy-absorbing is effectual, the displacement ball that the gag lever post set up through the tip carries out all around movement at the shifting chute, and extension spring through the shifting chute inner wall plays limiting displacement, avoid damping rubber's displacement volume too big.

Description

Anti-seismic cylindrical support for highway bridge

Technical Field

The utility model relates to a bridge technical field specifically is an antidetonation cylinder support for public road bridge roof beam.

Background

The bridge refers to a building constructed for roads to cross natural or artificial barriers, and is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, the bridge generally consists of an upper structure, a lower structure and an attached structure, the upper structure mainly refers to a bridge span structure and a support system, the lower structure comprises a bridge abutment, a bridge pier and a foundation, and a bridge support plays a role in supporting and damping in the whole structure of the bridge, but the existing bridge anti-seismic support is complex in structure and poor in anti-seismic effect, when the existing bridge anti-seismic support is vibrated in multiple directions, the bridge structure can deform, the driving comfort level of a driver can be reduced when the vehicle runs on the bridge, the vehicle is easily damaged for a long time, the service life of the bridge support is seriously influenced, an auxiliary device is not arranged when damping rubber is used for damping, the service time of the damping rubber is short, and great waste of manpower and material resources, the anti-seismic cylindrical support for the highway bridge is not beneficial to wide popularization, and therefore the anti-seismic cylindrical support for the highway bridge is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antidetonation cylinder support for public road bridge roof beam to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an antidetonation cylinder support for public road bridge roof beam, includes the loading board, the bottom activity of loading board is equipped with the cushion socket, the fixed damping rubber that is equipped with in bottom of cushion socket, the fixed base that bears that is equipped with in bottom of damping rubber, it is equipped with a plurality of gag lever posts to bear the activity between base and the cushion socket, the gag lever post is cyclic annular distribution around damping rubber, the fixed a plurality of fixture blocks that are equipped with of bottom evenly distributed of loading board, the top of cushion socket is equipped with the draw-in groove that uses with the fixture block cooperation, the fixed buffer spring that is equipped with between the bottom of draw-in groove and a plurality of fixture blocks two liang, the both ends movable sleeve of gag lever post is equipped with the travelling basket, the bottom of cushion socket.

As a preferred technical scheme of the utility model, be equipped with the slot in the removal ball, the tip activity of gag lever post is inserted and is established in the slot, the fixed first extension spring that is equipped with between the bottom of slot and the tip of gag lever post.

As a preferred technical scheme of the utility model, the inner wall of shifting chute is the curved surface form, the annular is evenly fixed on the inner wall of shifting chute curved surface form and is equipped with a plurality of second extension spring, the one end fixed connection that the shifting chute inner wall was kept away from to second extension spring is on the outer wall of removal ball.

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

1. through fixture block and the mutual joint of draw-in groove between loading board and the buffer seat to buffer spring through inside setting forms the one deck buffer layer, thereby alleviates the vibrations of vehicle formation on the bridge, and the atress of dispersion bridge increases bridge life.

2. Can cushion and consume energy through damping rubber when vibrations, the removal ball that gag lever post accessible tip set up carries out all around movement in the shifting chute to extension spring through the shifting chute inner wall plays limiting displacement, mutually supports with damping rubber, increases the shock attenuation effect, avoids damping rubber's displacement volume too big.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the connection structure between the stop lever and the moving ball of the present invention;

fig. 4 is a schematic view of the connection structure of the middle moving groove and the moving ball of the present invention.

In the figure: 1. a carrier plate; 11. a clamping block; 2. a buffer seat; 21. a card slot; 22. a buffer spring; 3. damping rubber; 4. a load bearing base; 5. a limiting rod; 51. moving the ball; 511. a slot; 512. a first extension spring; 52. a moving groove; 521. a second tension spring.

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

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an antidetonation cylinder support for public road bridge roof beam, including loading board 1, the support passes through loading board 1 to be connected in the bridge bottom, the bottom activity of loading board 1 is equipped with cushion socket 2, cushion socket 2 can reduce the vibrations that daily vehicle produced when traveling on the bridge, the atress of dispersion bridge, the fixed damping rubber 3 that is equipped with in bottom of cushion socket 2, damping rubber 3 can both play shock attenuation antidetonation effect to whole bridge regardless of horizontal migration or reciprocate, the fixed base 4 that bears that is equipped with in bottom of damping rubber 3, the support is fixed at the top of pier through bearing base 4, it is equipped with a plurality of gag lever posts 5 to bear the activity between base 4 and the cushion socket 2, gag lever post 5 is cyclic annular distribution around damping rubber 3, gag lever post 5 through the setting can avoid 3 displacement of damping rubber to cause damage and reduce life excessively.

The fixed a plurality of fixture blocks 11 that are equipped with of bottom evenly distributed of loading board 1, the top of buffer seat 2 is equipped with draw-in groove 21 that uses with the cooperation of fixture block 11, the bottom of draw-in groove 21 and the fixed buffer spring 22 that is equipped with between a plurality of fixture blocks 11 two liang, buffer spring 22 is the big elastic construction of elastic coefficient, can be equipped with the bumper shock absorber on the buffer spring 22, be used for reaching the effect of buffering to it, fixture block 11 is inserted in draw-in groove 21, when the bridge erects on loading board 1, buffer spring 22 that sets up between draw-in groove 21 and a plurality of fixture blocks 11 plays an elasticity support to the bridge, through the pressure that a plurality of buffer spring 22 dispersible bridges bore when daily use.

The two ends of the limiting rod 5 are movably sleeved with moving balls 51, the bottom of the buffer seat 2 and the top of the bearing base 4 are provided with moving grooves 52 matched with the moving balls 51 for use, the inner wall of the moving grooves 52 is curved, a plurality of second extension springs 521 are uniformly and fixedly arranged on the curved inner wall of the moving grooves 52 in an annular shape, one ends of the second extension springs 521 far away from the inner wall of the moving grooves 52 are fixedly connected to the outer wall of the moving balls 51, slots 511 are arranged in the moving balls 51, the end parts of the limiting rod 5 are movably inserted in the slots 511, a first extension spring 512 is fixedly arranged between the bottom of the slots 511 and the end part of the limiting rod 5, the limiting rod 5 is stretched up and down through the first extension spring 512 in the moving balls 51, an auxiliary supporting effect is achieved when the bridge vibrates up and down, the moving balls 51 can rotate in all directions in the moving grooves 52, and a limiting and stretching effect is achieved through, the both ends of gag lever post 5 can be all around rotatory on the shifting chute 52 through removing ball 51 to cooperate with damping rubber 3, can alleviate rocking in each position when the bridge receives vibrations.

The working principle is as follows: the utility model is characterized in that when the bridge is used in daily life, the whole support is fixedly arranged between the bridge and the pier through the bearing plate 1 and the bearing base 4, when the bridge is erected on the bearing plate 1, the buffer spring 22 arranged between the clamping groove 21 and the plurality of clamping blocks 11 plays an elastic support for the bridge, when the bridge receives vibration in the daily use process of the bridge, the pressure born by the bridge is dispersed through the plurality of buffer springs 22 to play a first layer of buffer shock absorption which is vertical shock absorption mainly for buffering, and then the second layer of buffer shock absorption is played through the damping rubber 3 at the bottom of the buffer seat 2, the shock absorption is omnibearing shock absorption, the damping rubber 3 can play a role of slowing down the vibration received by the bridge in all directions through omnibearing displacement, the damping rubber 3 can play a good role of protecting the damping rubber 3 through the plurality of limiting rods 5, when the damping rubber 3 is displaced, the limiting rods 5 realize up-down extension through the first extension spring 512 in the movable ball 51, play the auxiliary stay effect when the bridge shakes from top to bottom to gag lever post 5 can carry out the omnidirectional rotation in shifting chute 52 through moving ball 51, plays spacing and tensile effect to moving ball 51 through second extension spring 521, makes damping rubber 3 when horizontal displacement, and gag lever post 5 moves along with damping rubber 3, plays supplementary buffering, improves holistic shock attenuation antidetonation effect, avoids damping rubber 3's the too big reduction life of displacement volume.

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. The utility model provides an antidetonation cylinder support for public road bridge roof beam, includes loading board (1), its characterized in that: the bottom of the bearing plate (1) is movably provided with a buffer seat (2), the bottom of the buffer seat (2) is fixedly provided with damping rubber (3), a bearing base (4) is fixedly arranged at the bottom of the damping rubber (3), a plurality of limiting rods (5) are movably arranged between the bearing base (4) and the buffer seat (2), the limiting rods (5) are annularly distributed around the damping rubber (3), a plurality of clamping blocks (11) are uniformly distributed and fixed at the bottom of the bearing plate (1), the top of the buffer seat (2) is provided with a clamping groove (21) matched with the clamping block (11), buffer springs (22) are fixedly arranged between the bottom of the clamping groove (21) and the clamping blocks (11), the utility model discloses a buffer base, including gag lever post (5), the both ends activity cover of gag lever post (5) is equipped with removal ball (51), the bottom of buffer base (2) and the top of bearing base (4) are equipped with and move movable groove (52) that ball (51) cooperation was used.

2. An earthquake-resistant cylindrical support for road bridges as claimed in claim 1, wherein: a slot (511) is arranged in the movable ball (51), the end part of the limiting rod (5) is movably inserted into the slot (511), and a first extension spring (512) is fixedly arranged between the bottom of the slot (511) and the end part of the limiting rod (5).

3. An earthquake-resistant cylindrical support for road bridges as claimed in claim 1, wherein: the inner wall of the moving groove (52) is curved, a plurality of second extension springs (521) are uniformly and fixedly arranged on the curved inner wall of the moving groove (52) in an annular mode, and one ends, far away from the inner wall of the moving groove (52), of the second extension springs (521) are fixedly connected to the outer wall of the moving ball (51).