CN211522840U

CN211522840U - Bridge beam supports with shock-absorbing function

Info

Publication number: CN211522840U
Application number: CN202020019892.0U
Authority: CN
Inventors: 吕振堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-09-18
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a bridge beam supports with shock-absorbing function. The utility model discloses in, through setting up buffer board down, lower shock attenuation steel sheet, go up the buffer board, go up the shock attenuation steel sheet, be convenient for slow down bridge beam supports's vibrations, through setting up the cylinder body, first buffer spring, a supporting plate, a piston, the piston rod, gas in the piston downshifting compression cylinder body, form certain cushioning effect, reduce vibrations, run into the backup pad in the cylinder body when the piston, the first buffer spring of backup pad downdraft, first buffer spring has ascending elasticity, slow down the vibrations of going up the support seat, the second buffer spring who sets up simultaneously between top board and the holding down plate, upward elasticity has, the cushioning effect is good, bearing capacity is high, moreover, the steam generator is simple in structure, low in production cost.

Description

Bridge beam supports with shock-absorbing function

Technical Field

The utility model relates to a bridge beam supports technical field especially relates to a bridge beam supports with shock-absorbing function.

Background

In the bridge structure, the support is erected on the bridge pier, the device for supporting the bridge superstructure on the top surface is an important part for connecting the bridge superstructure with the bridge substructure, the function of the device is to fix the superstructure on the bridge pier, bear various forces acting on the superstructure and reliably transmit the forces to the bridge pier, under the action of load, temperature and concrete contraction and creep, the support can adapt to the corner and displacement of the superstructure, so that the superstructure can be freely deformed without generating additional internal force, the support is an important force transmission device of the bridge, the design considers that the support has enough bearing force to ensure safe and reliable transmission of the counter force of the support to the bridge pier, in addition, the constraint of the support on the deformation of the bridge is as small as possible to adapt to the requirements of free expansion and rotation of the beam, if the support has no good shock absorption and isolation action, the support can cause great damage to the beam body and has high possibility of causing the fracture of the pier bottom and the occurrence of beam falling accidents, a bridge support with good elastic capacity, high bearing capacity, simple structure, low production cost and shock absorption function is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bridge bearing with a damping function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge support with a damping function comprises a lower support plate, wherein a lower buffer plate is installed on the upper end face of the lower support plate, a lower damping steel plate is arranged at the upper end of the lower support plate, the lower damping steel plate and the lower support plate are fixed through a first fixing bolt, a lower pressure plate is arranged at the upper end of the lower damping steel plate, the lower pressure plate and the lower damping steel plate are fixed through a second fixing bolt, a cylinder body is fixedly welded at the upper end of the lower pressure plate, a first buffer spring is fixed at the lower end of the inside of the cylinder body, a support plate is arranged at the upper end of the first buffer spring, a piston is installed inside the cylinder body, a piston rod is fixed at the upper end of the piston, an upper pressure plate is fixedly welded at the upper end of the piston rod, a second buffer spring is arranged between the upper pressure plate and the lower pressure plate, and the second buffer spring is arranged on the outer side, and the upper end of the upper pressure plate is provided with an upper damping steel plate, the upper pressure plate and the upper damping steel plate are fixed through a third fixing bolt, the upper end of the upper damping steel plate is provided with an upper support plate, the upper damping steel plate and the upper support plate are fixed through a fourth fixing bolt, and the upper end of the upper damping steel plate is provided with an upper buffer plate.

Preferably, threaded holes matched with the first fixing bolts are formed in the lower support plate and the lower damping steel plate.

Preferably, the lower damping steel plate and the lower pressing plate are provided with threaded holes matched with the second fixing bolts.

Preferably, the upper pressure plate and the upper damping steel plate are provided with threaded holes matched with the third fixing bolts.

Preferably, threaded holes matched with the fourth fixing bolts are formed in the upper damping steel plate and the upper support plate.

Preferably, the lower buffer plate and the upper buffer plate are made of natural rubber materials.

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

the utility model discloses in, through setting up buffer board down, lower shock attenuation steel sheet, go up the buffer board, go up the shock attenuation steel sheet, be convenient for slow down bridge beam supports's vibrations, through setting up the cylinder body, first buffer spring, a supporting plate, a piston, the piston rod, gas in the piston downshifting compression cylinder body, form certain cushioning effect, reduce vibrations, run into the backup pad in the cylinder body when the piston, the first buffer spring of backup pad downdraft, first buffer spring has ascending elasticity, slow down the vibrations of going up the support seat, the second buffer spring who sets up simultaneously between top board and the holding down plate, upward elasticity has, the cushioning effect is good, bearing capacity is high, moreover, the steam generator is simple in structure, low in production cost.

Drawings

Fig. 1 is a schematic structural view of a bridge support with a shock-absorbing function according to the present invention;

fig. 2 is the utility model provides a second buffer spring's of bridge beam supports with shock-absorbing function plan view.

In the figure: the damping device comprises a support plate 1, a buffer plate 2, a damping steel plate 3, a first fixing bolt 4, a lower pressing plate 5, a second fixing bolt 6, a cylinder 7, a first buffer spring 8, a supporting plate 9, a piston 10, a piston rod 11, an upper pressing plate 12, a third fixing bolt 13, a damping steel plate 14, a fourth fixing bolt 15, an upper buffer plate 16, an upper support plate 17 and a second buffer spring 18.

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.

Referring to fig. 1-2, a bridge support with a shock absorption function comprises a lower support plate 1, a lower buffer plate 2 is mounted on the upper end surface of the lower support plate 1, a lower shock absorption steel plate 3 is arranged on the upper end of the lower support plate 1, the lower shock absorption steel plate 3 and the lower support plate 1 are fixed through a first fixing bolt 4, a lower pressing plate 5 is arranged on the upper end of the lower shock absorption steel plate 3, the lower pressing plate 5 and the lower shock absorption steel plate 3 are fixed through a second fixing bolt 6, a cylinder body 7 is fixedly welded on the upper end of the lower pressing plate 5, a first buffer spring 8 is fixedly arranged at the inner lower end of the cylinder body 7, a support plate 9 is arranged on the upper end of the first buffer spring 8, a piston 10 is mounted inside the cylinder body 7, a piston rod 11 is fixedly arranged on the upper end of the piston 10, an upper pressing plate 12 is fixedly welded on the upper end of the piston rod 11, a second buffer spring 18 is arranged between the, The outside of piston rod 11, and the upper end of top board 12 is provided with upper damping steel plate 14, and top board 12 and upper damping steel plate 14 are fixed through third fixing bolt 13, and the upper end of upper damping steel plate 14 is provided with upper bracket board 17, and upper damping steel plate 14 and upper bracket board 17 are fixed through fourth fixing bolt 15, and the upper end of upper damping steel plate 14 installs buffer board 16.

Lower support plate 1, set up on the lower damping steel sheet 3 with first fixing bolt 4 assorted screw hole, lower damping steel sheet 3, set up on the lower pressure plate 5 with second fixing bolt 6 assorted screw hole, top board 12, set up on the upper damping steel sheet 14 with third fixing bolt 13 assorted screw hole, go up damping steel sheet 14, set up on the upper support plate 17 with fourth fixing bolt 15 assorted screw hole, lower buffer board 2, go up buffer board 16 and adopt the natural rubber material to make.

The working principle is as follows: the upper supporting plate 17 is under pressure, the upper supporting plate 17 moves downwards to vibrate, the upper buffer plate 16 and the upper damping steel plate 14 have certain buffer effect and reduce vibration, the upper supporting plate 17 drives the upper damping steel plate 14 and the upper pressing plate 12 to move downwards, the upper pressing plate 12 drives the piston rod 11 and the piston 10 moves downwards in the cylinder 7, the piston 10 moves downwards to compress gas in the cylinder 7 to form certain buffer effect and reduce vibration, when the piston 10 touches the supporting plate 9 in the cylinder 7, the supporting plate 9 extrudes the first buffer spring 8 downwards, the first buffer spring 8 has upward elastic force and slows down the vibration of the upper supporting plate 17, meanwhile, the second buffer spring 18 arranged between the upper pressing plate 12 and the lower pressing plate 5 has upward elastic force and slows down the vibration of the upper supporting plate 17, the lower buffer plate 2 and the lower damping steel plate 3 are arranged at the upper end of the lower supporting plate 1 and also have certain buffer effect, reduce vibrations, the elastic capacity is good, and bearing capacity is high, fixes through first fixing bolt 4, second fixing bolt 6, third fixing bolt 13, fourth fixing bolt 15, and the installation of being convenient for, low in production cost.

The above, 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 support with a damping function comprises a lower support plate (1) and is characterized in that a lower buffer plate (2) is installed on the upper end face of the lower support plate (1), a lower damping steel plate (3) is arranged at the upper end of the lower support plate (1), the lower damping steel plate (3) and the lower support plate (1) are fixed through a first fixing bolt (4), a lower pressing plate (5) is arranged at the upper end of the lower damping steel plate (3), the lower pressing plate (5) and the lower damping steel plate (3) are fixed through a second fixing bolt (6), a cylinder body (7) is fixedly welded at the upper end of the lower pressing plate (5), a first buffer spring (8) is fixed at the lower end of the inside of the cylinder body (7), a support plate (9) is arranged at the upper end of the first buffer spring (8), and a piston (10) is installed inside the cylinder body (7), the upper end of piston (10) is fixed with piston rod (11), the upper end welded fastening of piston rod (11) has top board (12), just be provided with second buffer spring (18) between top board (12) and holding down plate (5), second buffer spring (18) set up in the outside of cylinder body (7), piston rod (11), just the upper end of top board (12) is provided with shock attenuation steel sheet (14), top board (12) and last shock attenuation steel sheet (14) are fixed through third fixing bolt (13), the upper end of going up shock attenuation steel sheet (14) is provided with upper bracket board (17), it is fixed through fourth fixing bolt (15) to go up shock attenuation steel sheet (14) and upper bracket board (17), just go up the upper end of shock attenuation steel sheet (14) and install upper cushion plate (16).

2. The bridge bearing with the shock absorption function according to claim 1, wherein the lower bearing plate (1) and the lower shock absorption steel plate (3) are provided with threaded holes matched with the first fixing bolts (4).

3. The bridge bearing with the shock absorption function according to claim 1, wherein the lower shock absorption steel plate (3) and the lower pressure plate (5) are provided with threaded holes matched with the second fixing bolts (6).

4. The bridge bearing with the shock absorption function according to claim 1, wherein the upper pressure plate (12) and the upper shock absorption steel plate (14) are provided with threaded holes matched with the third fixing bolts (13).

5. The bridge bearing with the shock absorption function according to claim 1, wherein the upper shock absorption steel plate (14) and the upper bearing plate (17) are provided with threaded holes matched with the fourth fixing bolts (15).

6. The bridge bearing with the shock absorption function according to claim 1, wherein the lower buffer plate (2) and the upper buffer plate (16) are made of natural rubber materials.