CN218466332U

CN218466332U - Composite displacement rubber shock insulation support

Info

Publication number: CN218466332U
Application number: CN202222953145.6U
Authority: CN
Inventors: 李方炎; 张兴; 蒋文希; 王正; 陈政; 高强; 朱红萍; 焦志东
Original assignee: Hebei Baoli Engineering Equipment Group Co Ltd
Current assignee: Hebei Baoli Engineering Equipment Group Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-02-10
Anticipated expiration: 2032-11-07

Abstract

The utility model provides a compound displacement rubber isolation bearing, this isolation bearing includes: the lower part of the shock insulation body is fixedly connected with a bottom steel plate, and the upper part of the shock insulation body is fixedly connected with a connecting plate. And the upper part of the connecting plate is fixedly provided with a deformation coordination device which is used for adapting to the deformation of the support under the combined action of the connecting plate and the shock insulation body. The deformation coordinating device comprises a coordinating body and a limiting inhaul cable, wherein the coordinating body is fixedly arranged between the connecting plate and the top steel plate and used for providing flexible support for the support. The two ends of the limiting inhaul cables are respectively fixed on the connecting plate and the top steel plate and used for limiting the relative displacement between the top steel plate and the connecting plate. The shock insulation support has strong adaptability to bridge deformation and large deformation amount, so that the shock insulation support can be applied to most scenes. In addition, the shock insulation support is stable in connection and not easy to fall off, and the service life is greatly prolonged.

Description

Composite displacement rubber shock insulation support

Technical Field

The utility model relates to a bridge beam supports technical field especially relates to isolation bearing, specifically is a compound displacement rubber isolation bearing.

Background

With the development of the transportation industry and the improvement of the standards of the construction engineering, the support not only plays a supporting role in bridge engineering, but also has the functions of adapting to the temperature deformation and the earthquake deformation of the structure, dissipating earthquake energy and damping. At present, rubber shock insulation supports are frequently adopted in the market as shock insulation members of bridges. The rubber shock insulation support is formed by alternately superposing a plurality of layers of steel plates and rubber, and the steel plates are used as stiffening materials of the rubber support, so that the characteristic of small vertical rigidity of a rubber body is changed, the horizontal earthquake action can be reduced, and large vertical load can be borne.

The design shear strain of the support specified by the existing rubber shock insulation support (comprising a high damping support and a lead core support) series is related to the thickness of a body glue layer, taking an HDR (I) support as an example, the design shear strain is 1.0MPa, the allowable shear strain is 2.5MPa, and the limit shear strain is 3.5MPa. For a continuous beam with a large span, the rubber shock insulation support needs a large support shear deformation amount to adapt to the temperature expansion deformation of the bridge. If simply adapt to the bridge through increasing support body height and warp, can the shock insulation performance of corresponding change support, and rubber shock insulation support has very big influence to the manufacturing cost of rubber shock insulation support to higher, the nonstandard design of rubber raw and other materials performance requirement additional preparation mould. In the prior art (CN 201310111776.6, a novel seismic isolation and reduction support and a replacement method thereof), a sliding plate of the structure is deformed prior to a rubber body because a sliding layer is added on the top of a conventional lead support, the sliding plate and a support rubber layer cannot be deformed simultaneously, and the sliding layer and the support body have no anti-separation connection measures.

Therefore, the technical personnel in the field need to research a rubber shock insulation support which has strong deformation adaptability, large deformation amount, stable connection and difficult shedding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a compound displacement rubber shock insulation support to shock insulation support is weak to bridge deformation adaptability among the solution prior art, deformation volume is little and the support is connected the unstable problem that drops easily.

The utility model provides a compound displacement rubber isolation bearing, this isolation bearing includes: the lower part of the shock insulation body is fixedly connected with a bottom steel plate, and the upper part of the shock insulation body is fixedly connected with a connecting plate; the upper part of the connecting plate is fixedly provided with a deformation coordination device which is used for adapting to the deformation of the support under the combined action with the shock insulation body; the deformation coordinating device comprises a coordinating body and a limiting inhaul cable, wherein the coordinating body is fixedly arranged between the connecting plate and the top steel plate and is used for providing flexible support for the support; two ends of the limiting inhaul cables are respectively fixed on the connecting plate and the top steel plate and used for limiting the relative displacement between the top steel plate and the connecting plate; the shock insulation body and the coordination body are both made of flexible materials with certain deformation.

The utility model discloses an among the embodiment, it still includes the cable fixed plate to warp coordination device, the cable fixed plate sets up coordinate the both sides of body, just the upper surface of connecting plate and the lower surface of top steel sheet is all fixed and is provided with the cable fixed plate is used for fixed connection spacing cable's both ends.

The utility model discloses an among the embodiment, coordinate the body and form for a whole or a plurality of flexible support module combination.

In an embodiment of the present invention, the connecting plate comprises a first connecting plate and a second connecting plate, wherein the lower surface of the first connecting plate is fixedly connected to the top surface of the seismic isolation body; the upper surface of the second connecting plate is fixedly connected with the bottom surface of the coordination body; the first connecting plate is fixedly connected with the second connecting plate through a connecting bolt.

Furthermore, the shock insulation body is fixedly connected with the bottom steel plate and the first connecting plate through vulcanization adhesion or bolts.

Furthermore, the coordinating body is fixedly connected with the second connecting plate and the top steel plate through vulcanization adhesion or bolts.

The utility model discloses an among the embodiment, the end steel sheet is connected the anchor through anchor subassembly and pier. The top steel plate is connected and anchored with the beam body through the anchoring assembly.

According to the above embodiment, the utility model provides a pair of compound displacement rubber isolation bearing has following benefit:

1. by adding the deformation coordination device structure on the original rubber shock insulation support body, the deformation adaptability of the support is greatly improved, and the support is particularly suitable for continuous beams with large span, has higher temperature deformation adaptability and ensures the normal use function of the support;

2. when the temperature is deformed, the deformation coordinating device and the shock insulation body at the lower part are deformed simultaneously, namely, a larger deformation is realized under the action of the same temperature force, and the shock insulation device has certain horizontal rigidity, so that the defects that the sliding rigidity at the sliding plate is low and the shock insulation effect is influenced in the prior art are overcome;

3. the deformation coordination device is provided with a limiting inhaul cable, so that the support has larger deformation capacity as a whole, the deformation of the upper deformation coordination device is prevented from being too large, and the upper structure and the lower structure of the support are prevented from being separated;

4. compared with the traditional high-damping support and lead core shock insulation support, the support has better deformation adaptability, wide application range and long service life.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the utility model provides a pair of composite displacement rubber isolation bearing's top view.

Fig. 2 is the utility model provides a pair of composite displacement rubber isolation bearing's front view.

Fig. 3 is the utility model provides a pair of compound displacement rubber isolation bearing's side view.

Description of reference numerals:

1-a shock insulation body, 2-a bottom steel plate, 3-a connecting plate, 4-a deformation coordinating device, 5-a top steel plate, 6-a connecting bolt, 7-an anchoring component and 8-a fixing plate bolt;

31-a first connecting plate, 32-a second connecting plate, 41-a coordinating body, 42-a limiting cable and 43-a cable fixing plate.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

The utility model provides a compound displacement rubber isolation bearing, as shown in figure 1 for the plan view of this isolation bearing, about promptly the direction be in the same direction as the bridge to, the upper and lower direction is horizontal bridge to.

In a specific embodiment of the present invention, as shown in fig. 2, the seismic isolation bearing includes: the lower part of the shock insulation body 1 is fixedly connected with a bottom steel plate 2, and the upper part of the shock insulation body 1 is fixedly connected with a connecting plate 3. The bottom steel plate 2 is connected with the abutment for anchoring through an anchoring assembly 7.

The upper part of the connecting plate 3 is fixedly provided with a deformation coordinating device 4 which is used for adapting to the deformation of the support under the combined action with the shock insulation body 1. Namely, the deformation coordinating device 4 and the shock insulation body 1 are sheared and deformed simultaneously, so that the whole support has larger deformation adaptability while keeping the original shock insulation performance unchanged.

The deformation coordinating device 4 includes a coordinating body 41 and a limiting cable 42. Wherein, the coordinating body 41 is fixedly arranged between the connecting plate 3 and the top steel plate 5 for providing flexible support for the support.

Two ends of the limit inhaul cables 42 are respectively fixed on the connecting plate 3 and the top steel plate 5 and used for limiting the relative displacement between the top steel plate 5 and the connecting plate 3. And as shown in fig. 3, the position-limiting cables 42 are provided on both sides of the coordinating body 41 in the lateral bridge direction.

In addition, in the present embodiment, the seismic isolation body 1 and the coordinating body 41 are both made of flexible materials with a certain deformation amount. When the bridge is deformed due to temperature change or earthquake and the like, the support of the flexible support can deform for a certain distance and still can play a supporting role so as to adapt to the deformation of the bridge.

In the specific embodiment of the present invention, the deformation coordination device 4 further includes a cable fixing plate 43. As shown in fig. 3, the cable fixing plates 43 are disposed on two sides of the coordinating body 41, and the cable fixing plates 43 are fixedly disposed on the upper surface of the connecting plate 3 and the lower surface of the top steel plate 5 for fixedly connecting two ends of the limiting cable 42. In this embodiment, the stopper cable 42 is fixed to the top steel plate 5 and the connecting plate 3 by the cable fixing plate 43 and the fixing plate bolt 8.

In the specific embodiment of the present invention, the coordinating body 41 is formed by combining one or more flexible supporting modules.

In the specific embodiment of the utility model, the anchor is connected with the pier through anchor subassembly 7 to end steel sheet 2. The top steel plate 5 is connected with the beam body through an anchoring assembly 7 for anchoring.

In a specific embodiment of the present invention, the connecting plate 3 includes a first connecting plate 31 and a second connecting plate 32. Wherein, the lower surface of the first connecting plate 31 is fixedly connected with the top surface of the seismic isolation body 1.

The upper surface of the second connecting plate 32 is fixedly connected to the bottom surface of the coordinating body 41.

The first connecting plate 31 and the second connecting plate 32 are fixedly connected by the connecting bolt 6.

Further, the seismic isolation body 1 is fixedly connected with the bottom steel plate 2 and the first connecting plate 31 through vulcanization bonding or bolts.

Further, the coordinating body 41 is connected with the second connecting plate 32 and the top steel plate 5 by vulcanization adhesion or bolt fixation.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a compound displacement rubber isolation bearing which characterized in that, this isolation bearing includes: the shock insulation device comprises a shock insulation body (1), wherein the lower part of the shock insulation body (1) is fixedly connected with a bottom steel plate (2), and the upper part of the shock insulation body is fixedly connected with a connecting plate (3);

the upper part of the connecting plate (3) is fixedly provided with a deformation coordination device (4) which is used for adapting to the deformation of the support under the combined action with the shock insulation body (1);

the deformation coordinating device (4) comprises a coordinating body (41) and a limiting inhaul cable (42), wherein the coordinating body (41) is fixedly arranged between the connecting plate (3) and the top steel plate (5) and used for providing flexible support for the support;

two ends of the limiting inhaul cables (42) are respectively fixed on the connecting plate (3) and the top steel plate (5) and used for limiting the relative displacement between the top steel plate (5) and the connecting plate (3);

the shock insulation body (1) and the coordination body (41) are both made of flexible materials with certain deformation.

2. The composite displacement rubber seismic isolation bearing as claimed in claim 1, wherein the deformation coordinating device (4) further comprises cable fixing plates (43), the cable fixing plates (43) are arranged on two sides of the coordinating body (41), and the cable fixing plates (43) are fixedly arranged on the upper surface of the connecting plate (3) and the lower surface of the top steel plate (5) and are used for fixedly connecting two ends of the limiting cable (42).

3. The composite displacement rubber-vibration-isolated bearing as set forth in claim 1, wherein the coordinating body (41) is formed by combining one or more flexible supporting modules.

4. The composite displacement rubber-vibration-isolated mount as claimed in claim 1, wherein said connecting plate (3) comprises a first connecting plate (31) and a second connecting plate (32), wherein,

the lower surface of the first connecting plate (31) is fixedly connected with the top surface of the shock insulation body (1);

the upper surface of the second connecting plate (32) is fixedly connected with the bottom surface of the coordinating body (41);

the first connecting plate (31) and the second connecting plate (32) are fixedly connected through a connecting bolt (6).

5. The composite displacement rubber seismic isolation mount of claim 4, wherein the seismic isolation body (1) is vulcanized, bonded or bolted to the bottom steel plate (2) and the first connection plate (31).

6. Compound displacement rubber-vibration-isolated bearing according to claim 4, characterized in that the coordinating body (41) is vulcanized, glued or bolted to the second connecting plate (32) and to the top steel plate (5).

7. The composite displacement rubber vibration-isolating support saddle as claimed in claim 1, wherein the bottom steel plate (2) is connected and anchored with the abutment through an anchoring component (7);

the top steel plate (5) is connected and anchored with the beam body through an anchoring assembly (7).