CN210712531U

CN210712531U - Bridge anti-seismic support

Info

Publication number: CN210712531U
Application number: CN201920632471.2U
Authority: CN
Inventors: 王海珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-06-09
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a bridge anti-seismic support, which relates to the technical field of bridges, and comprises a base, wherein the top of the base is provided with a groove, the top of the groove is inserted with a footstock, the bottom of the side of the footstock is fixedly provided with a first damping plate, the bottom of the first damping plate is fixedly arranged on the side of the top of the base, the inner wall of the groove is transversely welded with a fixed rod, one end of the fixed rod is welded on a second damping plate, the inner wall of the top of the groove is provided with a chute, the utility model discloses a first damping plate is arranged between the bottom of the side of the footstock and the top of the side of the base, the bottom of the base and the fixed rod are fixedly connected through a spring, and the damping effect is achieved on the; through pasting tightly on the outer wall of footstock and having curved second shock attenuation board, can play absorbing effect to the horizontal vibrations that produce on the footstock for this shock-absorbing support's cushioning effect is more comprehensive, and the shock attenuation effect is better.

Description

Bridge anti-seismic support

Technical Field

The utility model relates to a bridge technical field specifically is a bridge anti-seismic support.

Background

The bridge is generally a building erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly move in the same row, and in order to adapt to the modern high-speed development traffic industry, the bridge is also extended to be a building erected to span mountain mines, unfavorable geology or meet other traffic needs to enable the vehicles to move in the same row to be more convenient, and the vehicles running on the bridge easily bring vibration to the building, so that the bridge is generally arranged on an anti-vibration support to avoid the resonance condition.

However, the existing anti-seismic support for the bridge generally adopts the elasticity of a rigid spring to play a role in shock absorption, but after the spring is used for a long time, the situation of spring deflection easily occurs, the service life of the support is shortened, and meanwhile, the support stability of the support is also to be improved. Accordingly, one skilled in the art provides an anti-seismic bridge bearing to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide a bridge antidetonation support to the antidetonation support that the bridge that proposes in solving above-mentioned background art was used generally adopts the elasticity of stiff spring to play absorbing effect, but the long-time use back of spring, the condition of spring skew appears easily, has reduced its life, and the support stability of support also remains the problem that improves simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge anti-seismic support, includes the base, the fluting has been seted up at the top of base, it has the footstock to peg graft at the grooved top, the bottom fixed mounting of footstock avris has first shock attenuation board, the bottom fixed mounting of first shock attenuation board is at the avris at base top, horizontal welding has first dead lever on the grooved inner wall, the one end welding of first dead lever is on second shock attenuation board, the spout has been seted up on the grooved top inner wall, gliding slider of installing in the spout, the seamless welding in bottom of footstock is on the sliding seat, the bottom welding of sliding seat has many expansion pipes.

As a further aspect of the present invention: the second damping plate is an arc-shaped plate, the second damping plate is tightly attached to the outer wall of the top seat, and a through groove is formed in the second damping plate.

As a further aspect of the present invention: the slider is tightly attached to the groove wall of the sliding groove, the distance between the bottom end of the slider and the groove wall at the bottom end of the sliding groove is smaller than the thickness of the first damping plate, a limiting rod is fixedly inserted on the side face of the slider, one end of the limiting rod is welded on the top seat, and the limiting rod penetrates through the through groove.

As a further aspect of the present invention: the top of the movable seat is melted and integrally injection-molded to form a boss, the boss is of a conical table structure, the top of the boss is inserted into the groove, and the groove is formed in the bottom of the top seat.

As a further aspect of the present invention: the bottom of the movable tube is movably inserted on the second fixed rod, and the bottom end of the second fixed rod is welded on the wall of the slotted bottom end slot.

As a further aspect of the present invention: the top end fixedly connected with spring of second dead lever, the spring passes the movable tube setting, the top fixed connection of spring is in the bottom of sliding seat.

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

1. the utility model has the advantages that the first damping plate is arranged between the bottom of the peripheral side of the top seat and the top of the peripheral side of the base, and the bottom end of the base is fixedly connected with the fixed rod through the spring, so that the damping effect is realized on the vibration in the vertical direction; through pasting tightly on the outer wall of footstock and having curved second shock attenuation board, can play absorbing effect to the horizontal vibrations that produce on the footstock for this shock-absorbing support's cushioning effect is more comprehensive, and the shock attenuation effect is better.

2. The movable tube at the bottom end of the movable seat of the utility model is sleeved outside the spring, and the bottom of the movable tube is movably inserted on the fixed rod, and the movable tube moves up and down on the fixed rod in the process of the movable seat extruding the spring to deform and damp, so as to limit the spring, avoid the deflection of the spring and prolong the service life of the spring; the boss at the top of the movable seat is inserted into the groove at the bottom of the top seat, so that the supporting contact area is increased, and the supporting stability of the support is higher.

3. The utility model discloses an one end fixed mounting of welded gag lever post on footstock outer wall reciprocates the absorbing in-process on the footstock on the slider, and the gag lever post drives the slider and slides in the spout to the cell wall of spout is hugged closely to the slider, makes the gag lever post remove at the in-process of footstock, has guaranteed that the sliding seat removes along vertical direction, also the skew condition appears in the spring that prevents of edgewise, simple structure, and the function is practical.

Drawings

FIG. 1 is a structural sectional view of an anti-seismic bridge support;

fig. 2 is a structural sectional view of a movable pipe and a movable rod in a bridge anti-seismic support.

In the figure: 1. a base; 2. grooving; 3. a top seat; 4. a first damper plate; 5. a chute; 6. a slider; 7. a limiting rod; 8. a first fixing lever; 9. a second damper plate; 10. a through groove; 11. a movable seat; 12. a boss; 13. a groove; 14. a movable tube; 15. a second fixing bar; 16. a spring.

Detailed Description

Referring to fig. 1-2, in the embodiment of the present invention, an anti-seismic bridge support comprises a base 1, a slot 2 is formed in the top of the base 1, a top base 3 is inserted into the top of the slot 2, a first damping plate 4 is fixedly installed at the bottom of the side of the top base 3, the bottom end of the first damping plate 4 is fixedly installed at the side of the top of the base 1, a first fixing rod 8 is transversely welded on the inner wall of the slot 2, one end of the first fixing rod 8 is welded on a second damping plate 9, the second damping plate 9 is an arc-shaped plate, the second damping plate 9 is tightly attached to the outer wall of the top base 3, a through slot 10 is formed in the second damping plate 9, a slider 6 is tightly attached to the slot wall of the slot 5, the distance from the bottom end of the slider 6 to the bottom slot wall of the slot 5 is smaller than the thickness of the first damping plate 4, a limiting rod 7 is fixedly inserted into the side, and the limiting rod 7 runs through the through groove 10, and the limiting rod 7 plays a role in limiting the movement of the top seat 3 in the movement process of the top seat, so that the movable seat 3 is ensured to move along the vertical direction.

The top inner wall of the slot 2 is provided with a sliding groove 5, the sliding groove 5 is internally provided with a sliding block 6, the bottom end of the top seat 3 is welded on the movable seat 11 in a seamless manner, the top of the movable seat 11 is melted and integrally injection-molded to form a boss 12, the boss 12 is of a conical table structure, the top of the boss 12 is inserted into the groove 13, the groove 13 is arranged at the bottom of the top seat 3, the boss 12 is increased in supporting area between the boss 12 and the top seat 3, and the supporting stability of the support is greatly improved.

The bottom welding of sliding seat 11 has many movable tubes 14, the bottom activity of movable tube 14 is pegged graft on second dead lever 15, the bottom welding of second dead lever 15 is on grooved 2's bottom cell wall, the top fixedly connected with spring 16 of second dead lever 15, spring 16 passes movable tube 14 and sets up, the top fixed connection of spring 16 is in the bottom of sliding seat 11, movable tube 14 covers in spring 16's the outside, make spring 16 receive extrusion deformation, the inner wall that utilizes movable tube 14 carries on spacingly to it, avoid its long-time use and the condition of skew appears, extension spring 16's life.

The utility model discloses a theory of operation is: when the support is vibrated, the top seat 3 downwards extrudes the first damping plate 4, the first damping plate 4 generates small-amplitude deformation to perform a first-step damping effect, due to the deformation of the first damping plate 4, the top seat 3 downwards moves in the groove 2, the movable seat 11 welded at the bottom end of the top seat 3 downwards extrudes the spring 16 to deform, the elastic force generated by the deformation of the spring 16 is utilized to perform a second-step damping effect, the movable seat 11 downwards moves to drive the movable pipe 14 to vertically move on the second fixed rod 15, the movable pipe 14 limits the spring 16 to avoid the situation of compression offset, the sliding block 6 at one end of the limiting rod 7 on the outer wall of the top seat 3 slides in the sliding groove 5, the limiting rod 7 limits the movement of the top seat 3 to ensure that the top seat moves along the vertical direction, the arc-shaped second damping plate 9 at one end of the first fixed rod 8 can perform a damping effect on the transverse vibration generated on the top seat 3, make this support better to the shock attenuation effect of bridge, the boss 12 at 11 tops of sliding seat has increased and has pushed up the area of contact between the seat 3, has improved the support stability of this top seat 3, has fine practicality.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bridge anti-seismic support comprises a base (1) and is characterized in that the top of the base (1) is provided with a slot (2), the top of the open slot (2) is inserted with a top seat (3), the bottom of the side of the top seat (3) is fixedly provided with a first damping plate (4), the bottom end of the first damping plate (4) is fixedly arranged on the side of the top of the base (1), a first fixed rod (8) is transversely welded on the inner wall of the open slot (2), one end of the first fixed rod (8) is welded on the second damping plate (9), a sliding groove (5) is arranged on the inner wall of the top of the open groove (2), a sliding block (6) is arranged in the sliding groove (5) in a sliding way, the bottom seamless welding of footstock (3) is on sliding seat (11), the bottom welding of sliding seat (11) has many movable tubes (14).

2. An anti-seismic bridge support according to claim 1, wherein the second damping plate (9) is an arc-shaped plate, the second damping plate (9) is arranged to be closely attached to the outer wall of the top base (3), and a through groove (10) is formed in the second damping plate (9).

3. An anti-seismic bridge bearing according to claim 1, wherein the sliding block (6) is tightly attached to the groove wall of the sliding groove (5), the distance between the bottom end of the sliding block (6) and the groove wall at the bottom end of the sliding groove (5) is smaller than the thickness of the first damping plate (4), a limiting rod (7) is fixedly inserted on the side surface of the sliding block (6), one end of the limiting rod (7) is welded on the top seat (3), and the limiting rod (7) penetrates through the through groove (10).

4. An anti-seismic bridge support according to claim 1, wherein a boss (12) is integrally formed at the top of the movable seat (11) through fusion and injection molding, the boss (12) is of a conical table structure, the top of the boss (12) is inserted into a groove (13), and the groove (13) is formed at the bottom of the top seat (3).

5. An anti-seismic bridge support according to claim 1, characterized in that the bottom of said movable pipe (14) is movably inserted in a second fixed rod (15), and the bottom end of said second fixed rod (15) is welded to the wall of the bottom end slot of said slot (2).

6. An anti-seismic bridge support according to claim 5, wherein a spring (16) is fixedly connected to the top end of the second fixed rod (15), the spring (16) is arranged to penetrate through the movable tube (14), and the top end of the spring (16) is fixedly connected to the bottom of the movable seat (11).