CN216947832U

CN216947832U - Shock insulation and absorption support for bridge

Info

Publication number: CN216947832U
Application number: CN202220257704.7U
Authority: CN
Inventors: 李论; 陈相汝; 王玉强
Original assignee: Sichuan Gezhen Technology Co ltd
Current assignee: Sichuan Gezhen Technology Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-07-12
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses a shock insulation and absorption support for a bridge, which belongs to the related technical field of bridge construction and comprises a shock absorption base, a support column and a shock absorption main part, wherein a first groove is formed in the middle of the shock absorption base, the shock absorption main part is movably arranged in the first groove, the shock absorption main part comprises a limiting plate and a first shock absorption spring, one end of the support column extending into the first groove is fixedly connected with the limiting plate, and the limiting plate is fixedly connected with the bottom wall of the first groove through the first shock absorption spring. The problem that the bridge structure generates large relative displacement under the action of strong shock to cause structural damage of the bridge is avoided.

Description

Shock insulation and absorption support for bridge

Technical Field

The utility model belongs to the technical field related to bridge construction, and particularly relates to a shock insulation and absorption support for a bridge.

Background

The bridge refers to a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and the bridge is also extended to a building which spans mountain stream, unfavorable geology or meets other traffic requirements to be erected to enable the bridge to pass through more conveniently. In bridge construction, bridge supports are important members for connecting and restraining the upper and lower structures of a bridge, and are an indispensable part for bearing the weight of the bridge.

The existing bridge structure generates large relative displacement between an upper structure and a lower structure under the action of strong shock, so that the structural damage of the bridge is easily caused, the traffic is interrupted, and huge loss is caused.

In view of this, a seismic isolation and absorption support for a bridge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: aiming at the problem that the bridge structure is damaged structurally due to the fact that large relative displacement is generated between bridge structures under the action of strong shock, the utility model provides a shock insulation and absorption support for a bridge.

The technical scheme adopted by the utility model is as follows:

the utility model provides a shock insulation and shock-absorbing support for bridge, includes vibration damping mount and support column, still includes the shock attenuation main part, the vibration damping mount middle part is provided with first recess, the first recess internalization is provided with the shock attenuation main part, the shock attenuation main part includes limiting plate and first damping spring, extends to the one end and the limiting plate fixed connection of the support column in the first recess, through first damping spring fixed connection between the diapire of limiting plate and first recess.

According to the bridge structure, under the action of strong shock, the support column moves up and down in the first groove to drive the limiting plate to move up and down, and at the moment, the acting force applied to the first damping spring arranged between the limiting plate and the bottom wall of the first groove is buffered and absorbed, so that the damage to the support column and the bridge under the action of strong shock is avoided.

Preferably, 2-4 groups of first damping springs are fixedly arranged between the limiting plate and the bottom wall of the first groove in parallel, and each group comprises at least 2 first damping springs.

Preferably, the two sides of the limiting plate are fixedly provided with guide seats, and sliding grooves matched with the guide seats for use are formed in the first grooves.

Preferably, the both sides of support column are provided with the shock attenuation pole respectively, are provided with the second recess that uses with the shock attenuation pole cooperation on the vibration damping mount, the second recess internal fixation is provided with the shock attenuation auxiliary, shock attenuation pole and shock attenuation auxiliary swing joint.

Preferably, each side of the support column is provided with 2-5 shock-absorbing rods, and each shock-absorbing rod is provided with a second groove and a shock-absorbing auxiliary member which are matched for use.

Preferably, the damping auxiliary comprises a fixing rod and a second damping spring, the fixing rod is fixedly arranged in the second groove, and the second damping spring is sleeved on the fixing rod.

Preferably, each shock absorbing rod is provided with a rod groove for cooperation with a shock absorbing auxiliary.

Preferably, rubber cushion layers are arranged on the side walls of the first groove and the second groove. The rubber cushion layer is bonded on the side walls of the first groove and the second groove through hot vulcanized rubber.

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

(1) according to the utility model, the limiting plate and the first damping spring arranged in the damping main part in the first groove are adopted to buffer and absorb the acting force under the action of strong shock, so that the problem that the bridge structure is structurally damaged due to larger relative displacement generated under the action of strong shock is solved.

(2) According to the utility model, multiple groups of first damping springs are fixed between the limiting plate and the bottom wall of the first groove in parallel, and each group of the first damping springs is provided with multiple groups, so that the acting force on the supporting column and the bridge can be better buffered and absorbed.

(3) According to the utility model, the guide seats are fixedly arranged on the two sides of the limiting plate, and the sliding chute matched with the guide seats is arranged in the first groove, so that the movement of the limiting plate can be better guided.

(4) According to the utility model, the shock absorption rods are arranged on two sides of the supporting column, the second groove matched with the shock absorption rods is arranged on the shock absorption base, the shock absorption auxiliary is fixedly arranged in the second groove, and the shock absorption rods are movably connected with the shock absorption auxiliary, so that the supporting column and the shock absorption main can be effectively assisted to buffer and absorb acting force, and the bridge can be better protected.

(5) According to the utility model, the rubber buffer cushions are arranged on the side walls of the first groove and the second groove, so that the corrosion of the first groove and the second groove is avoided, and the service life of the rubber buffer cushions is prolonged.

Drawings

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

FIG. 2 is a top view I of the vibration damper of the present invention;

FIG. 3 is a top view II of the vibration damping mount of the present invention;

fig. 4 is a schematic structural view illustrating an assembly of the supporting post, the limiting plate and the guiding seat according to the present invention.

Labeled in the figure as: 1-a damping base, 101-a first groove, 102-a sliding groove, 103-a second groove, 2-a damping main part, 201-a first damping spring, 202-a limiting plate, 203-a guide seat, 3-a supporting column, 4-a bridge, 5-a damping auxiliary part, 501-a fixing rod, 502-a second damping spring, 6-a damping rod, 601-a rod groove and 7-a rubber cushion layer.

Detailed Description

The present invention will be described in further detail in order to make the objects, technical solutions and advantages of the present invention more apparent. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not to be construed as limiting the utility model, i.e., the described embodiments are only a subset of the embodiments of the utility model and not all embodiments.

Example 1

The utility model provides a shock insulation and absorption support for a bridge, which solves the problem that the bridge 4 is structurally damaged due to the fact that the structure of the bridge 4 generates large relative displacement under the action of strong shock, and comprises a shock absorption base 1, a support pillar 3 and a shock absorption main part 2, wherein a first groove 101 is formed in the middle of the shock absorption base 1, the shock absorption main part 2 is movably arranged in the first groove 101, the shock absorption main part 2 comprises a limiting plate 202 and a first shock absorption spring 201, one end of the support pillar 3 extending into the first groove 101 is fixedly connected with the limiting plate 202, and the limiting plate 202 is fixedly connected with the bottom wall of the first groove 101 through the first shock absorption spring 201, as shown in figures 1-4.

According to the bridge 4 structure disclosed by the utility model, under the action of a strong shock, the support column 3 moves up and down in the first groove 101 to drive the limiting plate 202 to move up and down, and at the moment, the acting force applied to the first damping spring 201 arranged between the limiting plate 202 and the bottom wall of the first groove 101 is buffered and absorbed, so that the damage to the support column 3 and the bridge 4 under the action of the strong shock is avoided. According to the utility model, the limiting plate 202 and the first damping spring 201 in the damping main part 2 arranged in the first groove 101 are adopted to buffer and absorb the acting force under the action of strong shock, so that the problem that the bridge 4 is structurally damaged due to large relative displacement generated by the structure of the bridge 4 under the action of strong shock is solved.

Example 2

In order to better buffer and absorb the acting force applied to the supporting columns 3 and the bridge 4, on the basis of embodiment 1, further, 2 to 4 groups of first damping springs 201 are fixedly arranged between the limiting plate 202 and the bottom wall of the first groove 101 in parallel, and each group includes at least 2 first damping springs 201. Through the first damping spring 201 of fixed parallel arrangement multiunit between the diapire at limiting plate 202 and first recess 101, the action force that receives support column 3 and bridge 4 that can realize better is cushioned and is absorbed by the a plurality of first damping spring 201 of every group.

Example 3

In order to better guide the movement of the position limiting plate 202, on the basis of embodiment 1, guide seats 203 are further fixedly arranged on both sides of the position limiting plate 202, and a sliding groove 102 used in cooperation with the guide seats 203 is arranged in the first groove 101. The guide seats 203 are fixedly arranged on the two sides of the limiting plate 202, and the sliding grooves 102 matched with the guide seats 203 are arranged in the first grooves 101, so that the movement of the limiting plate 202 can be better guided.

Example 4

In order to better protect the bridge 4, on the basis of embodiment 1, a shock absorbing rod 6 is respectively disposed on two sides of the supporting column 3, a second groove 103 used in cooperation with the shock absorbing rod 6 is disposed on the shock absorbing base 1, a shock absorbing auxiliary 5 is fixedly disposed in the second groove 103, and the shock absorbing rod 6 is movably connected with the shock absorbing auxiliary 5.

Wherein, each side of support column 3 is provided with 2-5 shock attenuation poles 6, and every shock attenuation pole 6 all is provided with the second recess 103 and the shock attenuation auxiliary 5 that cooperate and use. The damping auxiliary 5 comprises a fixing rod 501 and a second damping spring 502, the fixing rod 501 is fixedly arranged in the second groove 103, and the second damping spring 502 is sleeved on the fixing rod 501. Wherein each shock-absorbing rod 6 is provided with a rod groove 601 for cooperation with a shock-absorbing auxiliary 5.

Set up the shock attenuation pole 6 through the both sides at support column 3, set up on vibration damping mount 1 with the second recess 103 that 6 cooperations of shock attenuation poles used, at second recess 103 internal fixation set up shock attenuation auxiliary 5, and make shock attenuation pole 6 and shock attenuation auxiliary 5 swing joint, can effectual auxiliary stay post 3 and shock attenuation main part 2 cushion and to the absorption of effort, better protection bridge 4.

Example 5

In order to prolong the service life of the present invention, in addition to embodiment 1, rubber cushion layers 7 are further provided on the side walls of the first groove 101 and the second groove 103. The rubber cushion layer 7 is bonded to the side walls of the first groove 101 and the second groove 103 by a heat-cure adhesive. The rubber cushion layer 7 is arranged on the side walls of the first groove 101 and the second groove 103, so that the corrosion of the first groove 101 and the second groove 103 is avoided, and the service life of the rubber cushion layer is prolonged.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. The utility model provides a shock insulation and shock-absorbing support for bridge, includes vibration damping mount (1) and support column (3), its characterized in that still includes shock attenuation main part (2), vibration damping mount (1) middle part is provided with first recess (101), first recess (101) internalization is provided with shock attenuation main part (2), shock attenuation main part (2) include limiting plate (202) and first damping spring (201), extend to the one end and limiting plate (202) fixed connection of support column (3) in first recess (101), through first damping spring (201) fixed connection between the diapire of limiting plate (202) and first recess (101).

2. The seismic isolation and absorption support for the bridge according to claim 1, wherein 2-4 groups of first damping springs (201) are fixedly arranged between the limiting plate (202) and the bottom wall of the first groove (101), and each group comprises at least 2 first damping springs (201).

3. The shock insulation and absorption support for the bridge according to claim 1, wherein guide seats (203) are fixedly arranged on two sides of the limit plate (202), and sliding grooves (102) matched with the guide seats (203) are arranged in the first groove (101).

4. The shock insulation and absorption support for the bridge according to claim 1, wherein the two sides of the supporting column (3) are respectively provided with a shock absorption rod (6), the shock absorption base (1) is provided with a second groove (103) matched with the shock absorption rod (6) for use, a shock absorption auxiliary (5) is fixedly arranged in the second groove (103), and the shock absorption rod (6) is movably connected with the shock absorption auxiliary (5).

5. A seismic isolation and reduction support for a bridge according to claim 4, characterized in that 2-5 damping rods (6) are provided on each side of the supporting column (3), each damping rod (6) being provided with a second groove (103) and a damping aid (5) for cooperation.

6. The seismic isolation and absorption support for the bridge according to claim 4 or 5, wherein the damping auxiliary (5) comprises a fixing rod (501) and a second damping spring (502), the fixing rod (501) is fixedly arranged in the second groove (103), and the second damping spring (502) is sleeved on the fixing rod (501).

7. A seismic isolation and reduction support for bridges according to claim 4, characterized in that each damping rod (6) is provided with a rod groove (601) for cooperation with a damping aid (5).

8. The seismic isolation and reduction support for bridges according to claim 7, wherein rubber cushion layers (7) are arranged on the side walls of the first groove (101) and the second groove (103).