Liftable shock insulation rubber support

Abstract

The utility model discloses a lift-off type shock insulation rubber support which comprises a shock insulation rubber support body installed between an upper structural part and a lower structural part, and the shock insulation rubber support body comprises an upper connecting plate, a lower connecting plate and a rubber body located between the upper connecting plate and the lower connecting plate. The upper connecting plate and the lower connecting plate are connected with the upper structural part and the lower structural part through an upper connecting assembly and a lower connecting assembly respectively, when the shock insulation rubber support is pulled, relative movement allowance exists between the upper connecting assembly and the upper connecting plate in the vertical direction so that the rubber body can be prevented from being damaged, and an elastic body is arranged at the allowance. When the support is pulled, the upper structure can be lifted by a certain distance, the shock insulation rubber support body can be effectively prevented from being damaged due to upward pulling force during an earthquake, normal performance of the support is guaranteed, and structural safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering structures, and is particularly applicable to the field of buildings or bridge structures, and specifically relates to a liftable seismic isolation rubber bearing. Background Art

[0002] Earthquake is one of the important natural disasters that seriously endangers human survival. The use of seismic isolation technology can effectively reduce the horizontal seismic effect of the overall structure. At present, seismic isolation technology has been widely used in my country. The most widely used seismic isolation device in my country is the seismic isolation rubber bearing. The tensile strength of the seismic isolation rubber bearing is insufficient. When subjected to upward tension during an earthquake, the upper structural member will drive the upper connecting plate to move upward together. The upper connecting plate is connected to the rubber body in the middle. This can easily cause damage to the rubber body in the middle, and then lead to seismic isolation failure of the seismic isolation rubber bearing body. Utility Model Content

[0003] The utility model aims to provide a seismic isolation rubber bearing that can be lifted away, so that the upper structure of the bearing can be lifted away a certain distance when the bearing is under tension, which can effectively prevent the seismic isolation rubber bearing body from being damaged due to the upward pulling force during an earthquake, ensure the normal performance of the bearing, and ensure the safety of the structure.

[0004] In order to solve the above technical problems, the utility model adopts the following solutions:

[0005] A liftable seismic isolation rubber bearing comprises a seismic isolation rubber bearing body installed between an upper structural member and a lower structural member, the seismic isolation rubber bearing body comprises an upper connecting plate, a lower connecting plate and a rubber body located between the upper connecting plate and the lower connecting plate, the upper connecting plate and the lower connecting plate are connected to the upper structural member and the lower structural member respectively through an upper connecting assembly and a lower connecting assembly, when the seismic isolation rubber bearing is subjected to tension, there is a vertical margin of relative movement between the upper connecting assembly and the upper connecting plate to avoid damage to the rubber body, and an elastic body is provided at the margin.

[0006] Due to the adoption of the above technical solution, the main body of the seismic isolation rubber bearing is composed of three parts: an upper connecting plate, a rubber body and a lower connecting plate. These three parts work together to form an effective seismic isolation system. The rubber body is located between the upper connecting plate and the lower connecting plate, and has good elasticity and seismic isolation performance. When subjected to external force, the rubber body can undergo elastic deformation, absorb and disperse vibration energy, thereby reducing the vibration transmitted to the upper structure. The upper connecting plate and the lower connecting plate are connected to the upper structure and the lower structure through the upper connecting assembly and the lower connecting assembly respectively. This connection method enables the seismic isolation rubber bearing to be stably installed on the structure. At the same time, it can ensure that there is a certain relative movement margin when subjected to tension. In extreme cases such as earthquakes, large relative displacement may occur between the structural members. There is a vertical relative movement margin between the upper connecting assembly and the upper connecting plate. When the upper structural member is pulled, the upper connecting assembly and the upper connecting plate can move relative to each other, thereby preventing the rubber body from being damaged by excessive tension, thereby ensuring the seismic isolation effect of the seismic isolation rubber bearing body. An elastomer is also arranged at the margin, which can play a role of buffering and energy absorption when the upper connecting plate and the upper connecting assembly move relative to each other, thereby further protecting the rubber body from damage.

[0007] Optionally, the upper connecting assembly includes an upper anchor bolt and an upper sleeve, the upper end of the upper sleeve extends into the upper structural member, the lower end of the upper sleeve extends downward to below the bottom surface of the upper connecting plate, the upper sleeve and the upper connecting plate are movably connected, the upper anchor bolt is threadedly connected to the bottom end of the upper sleeve, the distance between the bottom end of the upper sleeve and the bottom surface of the upper connecting plate is the margin for relative movement, and the elastomer is arranged between the bottom surface of the upper connecting plate and the upper anchor bolt.

[0008] Optionally, the elastic body includes a return spring and a buffer plate, one end of the return spring acts on the bottom surface of the upper connecting plate, and the other end acts on the top surface of the buffer plate.

[0009] Optionally, the buffer pad is made of rubber or polyurethane.

[0010] Optionally, the upper connecting assembly includes an upper anchor bolt and an upper sleeve, the upper end of the upper sleeve extends into the upper structural member, the lower end of the upper sleeve extends downward to below the bottom surface of the upper connecting plate, the upper sleeve and the upper connecting plate are movably connected, the upper anchor bolt is threadedly connected to the bottom end of the upper sleeve, and the elastomer is arranged between the bottom surface of the upper connecting plate and the upper anchor bolt.

[0011] Optionally, the upper connecting plate is provided with a through hole corresponding to the upper sleeve at a position adjacent to the end portion, and the through hole allows the upper sleeve to pass through.

[0012] Optionally, a section of the upper sleeve located inside the upper structure is threadedly connected to an outer sleeve, and an end of the outer sleeve is connected to a pre-buried anchor bar inside the upper structure.

[0013] Optionally, an anchor plate is provided on the top of the outer sleeve.

[0014] Optionally, the buffer pad is distributed around the screw rod of the upper anchor bolt and is located below the reset spring.

[0015] Optionally, the lower connecting assembly includes a lower sleeve and a lower anchor bolt, the lower sleeve is connected to the embedded anchor bar inside the lower structural member, and the lower anchor bolt passes through the lower connecting plate and is threadedly connected to the lower sleeve.

[0016] Optionally, the upper structural member is a building structure and the lower structural member is a foundation.

[0017] The utility model has the beneficial effects:

[0018] 1. In the utility model, under extreme circumstances such as earthquakes, large relative displacements may occur between structural members. There is a margin for vertical relative movement between the upper connecting assembly and the upper connecting plate. When the upper structural member is pulled, the upper connecting assembly and the upper connecting plate can move relative to each other, thereby preventing the rubber body from being damaged by excessive tension, thereby ensuring the seismic isolation effect of the seismic isolation rubber bearing body. An elastomer is also arranged at the margin, which can play a role in buffering and energy absorption when the upper connecting plate and the upper connecting assembly move relative to each other. By designing this liftable seismic isolation rubber bearing, it is possible to more effectively protect structural members such as buildings from damage caused by natural disasters such as earthquakes. The application of this technology is of great significance for improving the safety and durability of buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 Schematic diagram of the structure after lift-off.

[0021] Figure numerals: 1-lower connecting plate, 2-lower structural member, 3-lower sleeve, 4-upper anchor bolt, 5-buffer pad, 6-reset spring, 7-rubber body, 8-upper connecting plate, 9-outer sleeve, 10-upper sleeve, 11-anchor plate, 12-embedded anchor bar, 13-upper structural member, 14-lower anchor bolt. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0023] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inside", "outside", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "open", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example

[0026] A liftable seismic isolation rubber bearing comprises a seismic isolation rubber bearing body installed between an upper structural member 13 and a lower structural member 2, wherein the seismic isolation rubber bearing body comprises an upper connecting plate 8, a lower connecting plate 1 and a rubber body 7 located between the upper connecting plate 8 and the lower connecting plate 1, wherein the upper connecting plate 8 and the lower connecting plate 1 are connected to the upper structural member 13 and the lower structural member 2 via an upper connecting assembly and a lower connecting assembly respectively, and when the seismic isolation rubber bearing is subjected to tension, there is a vertical margin of relative movement between the upper connecting assembly and the upper connecting plate 8 to avoid damage to the rubber body 7, and an elastic body is provided at the margin.

[0027] In this embodiment, Figure 1As shown, the main body of the seismic isolation rubber bearing is composed of three parts: an upper connecting plate 8, a rubber body 7 and a lower connecting plate 1. These three parts work together to form an effective seismic isolation system. The rubber body 7 is located between the upper connecting plate 8 and the lower connecting plate 1, and has good elasticity and seismic isolation performance. When subjected to external force, the rubber body 7 can undergo elastic deformation to absorb and disperse vibration energy, thereby reducing the vibration transmitted to the upper structure 13. The upper connecting plate 8 and the lower connecting plate 1 are respectively connected to the upper structure 13 and the lower structure 2 through the upper connecting assembly and the lower connecting assembly. The upper structure 13 is a building structure, which is a beam in this embodiment. The lower structure 2 is a foundation, which is a pier in this embodiment. This connection method enables the seismic isolation rubber bearing to be stably installed between the structural members, while ensuring that it can be When subjected to tension, there is a certain margin for relative movement. In extreme cases such as earthquakes, large relative displacement may occur between structural members. There is a margin for vertical relative movement between the upper connecting assembly and the upper connecting plate 8. When the upper structural member 13 is pulled, the upper connecting assembly and the upper connecting plate 8 can move relative to each other, thereby preventing the rubber body 7 from being damaged by excessive tension, thereby ensuring the seismic isolation effect of the seismic isolation rubber bearing body. An elastomer is also arranged at the margin. This elastomer can play a role in buffering and energy absorption when the upper connecting plate 8 and the upper connecting assembly move relative to each other. By designing this lift-able seismic isolation rubber bearing, it is possible to more effectively protect structural members such as buildings from damage caused by natural disasters such as earthquakes. The application of this technology is of great significance for improving the safety and durability of buildings.

[0028] Furthermore, the upper connecting assembly includes an upper anchor bolt 4 and an upper sleeve 10. The upper end of the upper sleeve 10 extends into the upper structural member 13, and the lower end of the upper sleeve 10 extends downward to below the bottom surface of the upper connecting plate 8. The upper sleeve 10 and the upper connecting plate 8 are movably connected. The upper anchor bolt 4 is threadedly connected to the bottom end of the upper sleeve 10, and the elastomer is arranged between the bottom surface of the upper connecting plate 8 and the upper anchor bolt 4.

[0029] Specifically, the upper connecting assembly consists of an upper anchor bolt 4 and an upper sleeve 10. The upper end of the upper sleeve 10 extends into the upper structural member 13 to ensure a firm connection with the upper structural member 13, while the lower end extends downward to below the bottom surface of the upper connecting plate 8. This design allows a certain amount of movable space between the upper sleeve 10 and the upper connecting plate 8. This movable connection allows relative movement between the upper connecting plate 8 and the upper sleeve 10 when the seismic isolation rubber bearing is subjected to tension, thereby preventing the rubber body 7 from being damaged by excessive tension. The upper anchor bolt 4 is threadedly connected to the bottom end of the upper sleeve 10. By adjusting the tightness of the bolt, the relative movement range between the upper sleeve 10 and the upper connecting plate 8 can be controlled. This design not only ensures the stability of the seismic isolation rubber bearing, but also provides it with a certain degree of flexibility when it is subjected to tension. The distance between the buffer plate 5 and the upper connecting plate 8 is actually the margin for relative movement between the upper sleeve 10 and the upper connecting plate 8. The existence of this margin, such as Figure 2 As shown, when the seismic isolation rubber bearing body is subjected to tension, the upper connecting plate 8 can move downward a certain distance relative to the upper sleeve 10, thereby preventing the rubber body 7 from being damaged by excessive tension. The elastomer is arranged between the bottom surface of the upper connecting plate 8 and the upper anchor bolt 4. When the upper connecting plate 8 moves relative to the upper sleeve 10, the elastomer can play a role in buffering and energy absorption, thereby further protecting the rubber body 7 from damage. This design effectively improves the durability and safety of the seismic isolation rubber bearing. In summary, the design of the upper connecting assembly fully considers the stress conditions of the seismic isolation rubber bearing when it is subjected to tension. Through the coordinated work of the upper anchor bolt 4 and the upper sleeve 10, the relative movement between the upper connecting plate 8 and the upper structural member 13 is achieved, thereby protecting the rubber body 7 from damage.

[0030] Furthermore, the upper connecting plate 8 is provided with a through hole corresponding to the upper sleeve 10 at a position adjacent to the end thereof, and the through hole allows the upper sleeve 10 to pass through.

[0031] Specifically, the through hole arranged near the end of the upper connecting plate 8 is designed to correspond to the upper sleeve 10. The function of this through hole is to allow the upper sleeve 10 to pass through smoothly, and then form a stable connection with the upper structural member 13. This design not only ensures the assembly accuracy between the upper connecting plate 8 and the upper sleeve 10, but also makes the entire connection assembly more compact and stable in structure. Specifically, when installing the seismic isolation rubber bearing, the upper sleeve 10 first passes through this through hole from the top of the upper connecting plate 8, and then its lower end extends to below the bottom surface of the upper connecting plate 8. This layout enables the upper connecting plate 8 to move vertically relative to the upper sleeve 10 without any hindrance. When the seismic isolation rubber bearing is subjected to tension, this relative movement ability is particularly important because it can ensure that the rubber body 7 will not be damaged by excessive tension. At the same time, the setting of the through hole also facilitates installation and maintenance work. During installation, the staff can easily pass the upper sleeve 10 through the through hole to achieve a quick connection with the upper connecting plate 8. During future maintenance, if it is necessary to replace or inspect the components of the upper connecting assembly, convenient operations can also be performed through this through hole.

[0032] Furthermore, a section of the upper sleeve 10 located inside the upper structure 13 is threadedly connected to the outer sleeve 9 , and an end of the outer sleeve 9 is connected to the embedded anchor bar 12 inside the upper structure 13 .

[0033] Furthermore, an anchor plate 11 is provided on the top of the outer sleeve 9 .

[0034] Specifically, the upper sleeve 10 is located in a section of the upper structure 13 and is threadedly connected to the outer sleeve 9. This design makes the entire connection structure more stable and reliable. The outer sleeve 9 is connected to the embedded anchor bars 12 in the upper structure 13, which effectively connects the seismic isolation rubber bearing and the upper structure 13 tightly together to ensure that they can work together to resist vibration and displacement when subjected to external forces. At the same time, the anchor plate 11 arranged on the top of the outer sleeve 9 can increase the anchoring strength of the upper structure 13 to the outer sleeve 9.

[0035] Furthermore, the elastic body includes a return spring 6 and a buffer plate 5 , one end of the return spring 6 acts on the bottom surface of the upper connecting plate 8 , and the other end acts on the top surface of the buffer plate 5 .

[0036] Furthermore, the buffer plate 5 is made of rubber or polyurethane.

[0037] Further, the buffer plate 5 is distributed around the screw rod of the upper anchor bolt 4. Specifically, the buffer plate 5 is fixed above the bolt head of the upper anchor bolt 4, so that the bolt head can play a role of vertical limiting support for the buffer plate 5.

[0038] Specifically, firstly, the diameter of the buffer plate 5 can be larger than the diameter of the upper sleeve 10, which means that when subjected to tension or other external forces, the buffer plate 5 can provide a larger contact area to disperse and reduce the impact on the upper connecting plate 8 and the rubber body 7, which helps to protect the seismic isolation rubber bearing and prevent it from being damaged due to excessive force. Secondly, the presence of the return spring 6 forms a dynamic connection relationship between the upper sleeve 10 and the buffer plate 5. When the seismic isolation rubber bearing is subjected to tension, the upper sleeve 10 will move downward relative to the upper connecting plate 8. At this time, the return spring 6 will be compressed. This compression process actually absorbs and stores energy. When the external force disappears or decreases, the return spring 6 will release the stored energy and push the upper sleeve 10 back to its original position. This automatic recovery ability ensures the stability and reliability of the seismic isolation rubber bearing. Secondly, the setting of the reset spring 6 also enhances the seismic isolation performance of the seismic isolation rubber bearing. Under the action of external forces such as earthquakes, the elastic deformation of the reset spring 6 can absorb part of the vibration energy, further reducing the impact on the upper structure 13. At the same time, due to the action of the reset spring 6, the relative movement between the upper sleeve 10 and the upper connecting plate 8 becomes more stable and controllable, avoiding damage caused by sudden impact or displacement. In addition, the use of the reset spring 6 and the buffer pad 5 makes the entire connection assembly more uniform and stable when subjected to force. The buffer pad 5 can disperse and absorb the vibration energy from the upper anchor bolt 4, and the reset spring 6 can further adjust and balance these energies to ensure that the seismic isolation rubber bearing can work in a relatively stable state. In summary, the reset spring 6 set between the buffer pad 5 and the bottom end of the upper sleeve 10 not only enhances the seismic isolation performance of the seismic isolation rubber bearing, but also improves its stability and reliability. This design enables the seismic isolation rubber bearing to better adapt to various complex external force environments and provide effective protection for structures such as buildings.

[0039] Furthermore, the lower connection assembly includes a lower sleeve 3 and a lower anchor bolt 14 . The lower sleeve 3 is connected to the embedded anchor bar 12 inside the lower structure 2 . The lower anchor bolt 14 passes through the lower connection plate 1 and is threadedly connected to the lower sleeve 3 .

[0040] Specifically, the lower connecting assembly mainly includes a lower sleeve 3 and a lower anchor bolt 14, which cooperate closely with the embedded anchor bar 12 inside the lower structure 2 and the lower connecting plate 1 to form a stable connection system. First, the lower sleeve 3 is connected to the embedded anchor bar 12 inside the lower structure 2. This design ensures the tight connection between the seismic isolation rubber bearing and the lower structure 2. The embedded anchor bar 12 is pre-buried in the lower structure 2 and has good stability and bearing capacity. Through the connection with the lower sleeve 3, the seismic isolation rubber bearing can be firmly fixed on the lower structure 2. Secondly, the lower anchor bolt 14 passes through the lower connecting plate 1 and is threadedly connected to the lower sleeve 3. This connection method is not only simple and reliable, but also convenient to adjust. By adjusting the tightness of the lower anchor bolt 14, the connection tightness between the lower connecting plate 1 and the lower sleeve 3 can be regulated, thereby ensuring that the seismic isolation rubber bearing can remain stable when subjected to external force.

[0041] The above is only a preferred embodiment of the utility model and does not limit the utility model in any form. According to the technical essence of the utility model, within the spirit and principles of the utility model, any simple modification, equivalent replacement and improvement made to the above embodiment still falls within the protection scope of the technical solution of the utility model.

Claims

1. A detachable seismic isolation rubber bearing, comprising a seismic isolation rubber bearing body installed between an upper structural member (13) and a lower structural member (2), characterized in that: The seismic isolation rubber bearing body comprises an upper connecting plate (8), a lower connecting plate (1), and a rubber body (7) located between the upper connecting plate (8) and the lower connecting plate (1); the upper connecting plate (8) and the lower connecting plate (1) are connected to an upper structural member (13) and a lower structural member (2) via an upper connecting assembly and a lower connecting assembly, respectively; when the seismic isolation rubber bearing is subjected to tension, there is a vertical margin of relative movement between the upper connecting assembly and the upper connecting plate (8) to avoid damage to the rubber body (7); an elastic body is provided at the margin.

2. The liftable seismic isolation rubber bearing according to claim 1, characterized in that: The elastic body comprises a return spring (6) and a buffer plate (5); one end of the return spring (6) acts on the bottom surface of the upper connecting plate (8), and the other end acts on the top surface of the buffer plate (5).

3. The liftable seismic isolation rubber bearing according to claim 2, characterized in that: The buffer pad (5) is made of rubber or polyurethane.

4. The liftable seismic isolation rubber bearing according to claim 1, characterized in that: The upper connection assembly comprises an upper anchor bolt (4) and an upper sleeve (10); the upper end of the upper sleeve (10) extends into the upper structural member (13); the lower end of the upper sleeve (10) extends downward to below the bottom surface of the upper connection plate (8); the upper sleeve (10) and the upper connection plate (8) are movably connected; the upper anchor bolt (4) is threadedly connected to the bottom end of the upper sleeve (10); and an elastic body is arranged between the bottom surface of the upper connection plate (8) and the upper anchor bolt (4).

5. The liftable seismic isolation rubber bearing according to claim 4, characterized in that: A through hole corresponding to the upper sleeve (10) is provided at a position adjacent to the end of the upper connecting plate (8), and the through hole allows the upper sleeve (10) to pass through.

6. The liftable seismic isolation rubber bearing according to claim 4, characterized in that: A section of the upper sleeve (10) located inside the upper structure (13) is threadedly connected to an outer sleeve (9), and an end of the outer sleeve (9) is connected to a pre-buried anchor bar (12) inside the upper structure (13).

7. The liftable seismic isolation rubber bearing according to claim 6, characterized in that: An anchor plate (11) is provided on the top of the outer sleeve (9).

8. The liftable seismic isolation rubber bearing according to claim 2, characterized in that: The buffer pads (5) are distributed around the screw rod of the upper anchor bolt (4) and are located below the return spring (6).

9. The liftable seismic isolation rubber bearing according to claim 1, characterized in that: The lower connection assembly comprises a lower sleeve (3) and a lower anchor bolt (14); the lower sleeve (3) is connected to a pre-buried anchor bar (12) inside the lower structural member (2); and the lower anchor bolt (14) passes through the lower connection plate (1) and is threadedly connected to the lower sleeve (3).

10. The lift-off seismic isolation rubber bearing according to claim 1, characterized in that: The upper structural member (13) is a building structure, and the lower structural member (2) is a foundation.

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