CN210975516U

CN210975516U - Shock isolation device

Info

Publication number: CN210975516U
Application number: CN201921628148.4U
Authority: CN
Inventors: 陈健; 王建勋; 张庆浩; 郭美景
Original assignee: Hebei Baoli Engineering Equipment Group Co Ltd
Current assignee: Hebei Baoli Engineering Equipment Group Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-10
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a shock isolation device, this shock isolation device includes: a support body; the symmetry sets up the glide machanism at the both ends of support body, glide machanism includes: the connecting plate is fixedly connected with the support body; pre-burying a plate; the sliding material is arranged between the connecting plate and the embedded plate; and the connecting plates, the sliding materials and the embedded plates are sequentially penetrated through by the connecting plates, the sliding materials and the embedded plates to be fixedly connected with the connecting plates, the sliding materials and the embedded plates.

Description

Shock isolation device

Technical Field

The utility model relates to an engineering shock insulation technical field specifically relates to a shock isolation device.

Background

The engineering such as buildings, bridges, L NG/oil storage tanks and the like is generally provided with a shock absorption and isolation system to prevent the buildings from being damaged by internal stress, so that the safety performance of the engineering such as the buildings, the bridges, L NG/oil storage tanks and the like is improved.

In the prior art, a vibration isolation rubber support is usually adopted as a vibration isolation device. For example, seismic isolation devices are placed on the base or at specific locations of a building to form a seismic isolation layer to isolate the superstructure of the building from the underlying foundation portion. Therefore, the seismic energy is isolated or dissipated through the seismic isolation device, so that the seismic energy is prevented or reduced from being transmitted to the upper structure, the safety of the upper structure and personnel and equipment inside the upper structure is guaranteed, and the building can normally operate.

However, the conventional seismic isolation apparatus still has some problems. For example, the existing shock isolation device is easily affected by cement shrinkage, uneven stress, thermal expansion, cold contraction and other factors, so that the shock isolation rubber support can bear certain horizontal force after installation is completed, certain shear deformation is formed, and the shock isolation rubber support is deviated, which seriously affects the shock absorption and shock isolation performance of the shock isolation rubber support. In addition, the existing shock insulation rubber support is complex in replacement process, difficult to replace and high in replacement cost.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a novel shock isolation device, this shock isolation device can keep apart or dissipate seismic energy to can improve self anti off normal ability. In addition, the shock isolation device is simple and convenient to replace, the replacing difficulty can be reduced, and the service performance of the shock isolation device is improved.

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.

Therefore, according to the utility model provides a shock isolation device, include: a support body; the symmetry sets up the glide machanism at the both ends of support body, glide machanism includes: the connecting plate is fixedly connected with the support body; pre-burying a plate; the sliding material is arranged between the connecting plate and the embedded plate; and the connecting plates, the sliding materials and the embedded plates are sequentially penetrated through by the connecting plates, the sliding materials and the embedded plates to be fixedly connected with the connecting plates, the sliding materials and the embedded plates.

In a preferred embodiment, the connecting plate is mounted at the end of the stand body by means of a bolt connection, an adhesive connection or a tenon connection, so as to form a fixed connection with the stand body.

In a preferred embodiment, a skid panel is provided between the skid material and the embedment plate.

In a preferred embodiment, a grease storage groove is arranged on the end face of the sliding material, which is in contact with the sliding panel, and lubricating grease is arranged in the grease storage groove.

In a preferred embodiment, the grease storage grooves are arranged in a circular shape and are uniformly distributed on the sliding material.

In a preferred embodiment, the connecting plate, the skid material, the skid panel and the embedment plate are all configured in a square or a circle.

In a preferred embodiment, the size of the connecting plate, the sliding material, the sliding panel and the embedded plate is larger than that of the support body.

In a preferred embodiment, the connecting plate, the sliding material, the sliding panel and the embedded plate are provided with a plurality of mounting holes for the connecting assembly to pass through.

In a preferred embodiment, the mounting holes are respectively arranged at positions close to four corners of the connecting plate, the sliding material, the sliding panel and the embedded plate or are uniformly distributed along the circumferential direction.

In a preferred embodiment, the connection assembly is a bolt-in-sleeve tendon assembly.

Compared with the prior art, the utility model discloses a shock isolation device's advantage part lies in:

according to the utility model discloses a seismic energy can be kept apart or dissipated to the shock isolation device to self anti off normal ability has been improved. And, glide machanism among this shock isolation device possesses extremely low coefficient of friction, can be relaxed under the condition that need not jacking upper portion building take out the support, and its change easy operation is convenient, can reduce the change degree of difficulty, has improved shock isolation device's performance and change efficiency. In addition, the shock isolation device has the advantages of stable structure, simple replacement process and low cost.

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 a partial sectional view of a seismic isolation device according to the present invention.

Fig. 2 is a plan view of the seismic isolation apparatus shown in fig. 1 without the attachment assembly mounted.

FIG. 3 is a schematic view of the layout of a grease reservoir on the surface of a glide layer.

Description of reference numerals:

100-seismic isolation devices; 110-a seat body; 120-a glide mechanism; 121-connecting plate; 122-pre-embedded plates; 123-a slip material; 124-a slip panel; 125-a connecting assembly; 126-mounting holes.

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.

It should be noted that directional terms or limitations such as "upper", "lower", etc. used in this application are with reference to FIG. 1. They are not intended to limit the absolute positions of the parts involved, but may vary from case to case.

Fig. 1 schematically shows the structure of a seismic isolation apparatus 100 according to the present invention. As shown in fig. 1, the seismic isolation apparatus 100 includes a mount body 110. In one embodiment, the holder body 110 is configured in a cylindrical shape. The size of the holder body 110 is set according to actual needs.

In this embodiment, the holder body 110 is made of a polymer material. The support body 110 may be, for example, a lead isolation rubber support, a natural isolation rubber support, or a high damping isolation rubber support. The support body 110 can replace and mount the vibration isolation device 100 without damaging the internal structure of the building foundation, thereby ensuring the stability of the structure of the building foundation and improving the replacement and mounting efficiency of the vibration isolation device 100.

According to the present invention, the seismic isolation apparatus 100 further includes two sliding mechanisms 120 symmetrically disposed at the upper and lower ends of the support body 110. As shown in fig. 1, the sliding mechanism 120 includes a connecting plate 121 for fixedly connecting with an axial end of the holder body 110. The connecting plate 121 is fixedly connected with the support body 110 in a bolt connection mode, an adhesion mode or a tenon clamping mode, and the size of the connecting plate 121 is set to be larger than that of the support body 110. In one embodiment, one end surface of the connection plate 121 is adhesively attached to one end of the holder body 110 to form a fixed connection with the holder body 110.

As shown in fig. 1, skid mechanism 120 also includes embedment plate 122. In one embodiment, the embedded plate 122 has a square plate shape, and the side length of the connecting plate 121 is greater than the diameter of the holder body 110. The embedded plate 122 serves as a positioning plate, and the embedded plate 122 is installed before the buttress is poured and used for positioning the construction of the seismic isolation device 100.

As shown in fig. 1, a sliding material 123 is provided between the connecting plate 121 and the embedment plate 122, and one end surface of the sliding material 123 is in contact with one end surface of the connecting plate 121. In one embodiment, the sliding material 123 is in the shape of a square plate, and the side length of the sliding material 123 is greater than the diameter of the holder body 110. The sliding material 123 is made of a pressure-resistant polymer material. In one embodiment, the glide material 123 is made of a material including a polytetrafluoroethylene material and a modified ultra high molecular weight polyethylene material.

According to the utility model discloses, be equipped with slip panel 124 between slip material 123 and built-in board 122, and the upper and lower terminal surface of slip panel 124 respectively with the end face contact of slip material 123 and built-in board 122. In one embodiment, the glide panel 124 is square plate shaped, and the side length of the glide panel 124 is greater than the diameter of the mount body 110. The thickness of the slip panel 124 is set to be smaller than the thickness of the slip material 123. The slip panel 124 is made of a material having a low coefficient of friction characteristic. In one embodiment, the slip panel 124 is a mirror stainless steel plate. In a normal state, the sliding material 123 and the sliding panel 124 do not affect the shock absorption and isolation effect of the shock isolation device. When the vibration isolation device is deviated or needs to be replaced, the bolts of the connecting assembly 125 are detached, and at the moment, a small horizontal force is applied to the vibration isolation device 100, so that the sliding material 123 and the sliding panel 124 can be relatively displaced, and the purposes of deviation correction and replacement can be achieved. After the deviation of the seismic isolation device 100 is corrected or replaced, the seismic isolation device 100 is reconnected to the abutment by bolts of the connecting assembly 125.

As shown in fig. 3, a plurality of grease reservoirs 128 are provided on the end surface of the sliding member 123 in contact with the sliding surface plate 124, and grease is provided in the grease reservoirs 128. Preferably, the grease is silicone grease. In one embodiment, the grease reservoir 128 is arranged in a circular shape and evenly distributed over the glide material 123. The grease can effectively reduce the friction between the slip panel 124 and the slip material 123.

According to the utility model discloses, connecting plate 121, slippage material 123, slip panel 124 and built-in plate 122 form fixed connection through coupling assembling 125. In one embodiment, the connection assembly 125 employs a bolt-in-sleeve tendon assembly. As shown in fig. 2, the connecting plate 121, the sliding material 123, the sliding panel 124 and the embedded plate 122 are provided with a plurality of mounting holes 126 for the connecting assembly 125 to pass through. In one embodiment, the mounting holes 126 are respectively arranged at the positions close to four corners of the connecting plate 121, the sliding material 123, the sliding panel 124 and the embedded plate 122. In the embodiment shown in fig. 2, each of the connecting plate 121, the sliding material 123, the sliding panel 124 and the embedded plate 122 is provided with 8 mounting holes 126, and the 8 mounting holes 126 are uniformly distributed at four corners of the connecting plate 121, the sliding material 123, the sliding panel 124 and the embedded plate 122. The connecting assembly 125 passes through the connecting plate 121, the sliding material 123, the sliding panel 124 and the mounting hole 126 of the embedded plate 122 in sequence so that the connecting plate 121, the sliding material 123, the sliding panel 124 and the embedded plate 122 form a fixed connection.

According to the utility model discloses a seismic isolation device 100 has good anti off normal ability, and it can keep apart or dissipate seismic energy. And, the two ends of the support body 110 in the seismic isolation device 100 are provided with the sliding mechanisms 120, when the second seismic isolation device 100 deviates or needs to be replaced, a small horizontal force can be applied to the second seismic isolation device 100 through the sliding mechanisms 120, so that the sliding material 123 and the sliding panel 124 are relatively displaced to realize the deviation correction. This makes the replacement operation of the seismic isolation device 100 simple and convenient, reduces the replacement difficulty, and improves the usability and replacement efficiency of the seismic isolation device 100. In addition, the seismic isolation device 100 has the advantages of stable structure, simple replacement process and low cost.

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. A seismic isolation apparatus, comprising:

a holder body (110);

the sliding mechanism (120) is symmetrically arranged at two ends of the support body (110), and the sliding mechanism (120) comprises:

the connecting plate (121) is fixedly connected with the support body (110);

an embedment plate (122); and

the sliding material (123) is arranged between the connecting plate (121) and the embedded plate (122); and

and the connecting components (125) sequentially penetrate through the connecting plate (121), the sliding materials (123) and the embedded plate (122) to fixedly connect the connecting plate (121), the sliding materials (123) and the embedded plate (122).

2. Seismic isolation device according to claim 1, wherein the connection plate (121) is mounted at the end of the mount body (110) by means of a bolt connection, an adhesive connection or a bayonet connection, so as to form a fixed connection with the mount body (110).

3. Seismic isolation apparatus according to claim 1, wherein a slip panel (124) is provided between the slip material (123) and the embedment plate (122).

4. A seismic isolation apparatus according to claim 3, wherein a grease reservoir (128) is provided on an end surface of the sliding material (123) which is in contact with the sliding panel (124), and grease is provided in the grease reservoir (128).

5. Seismic isolation device according to claim 4, wherein the grease storage grooves (128) are arranged in a circle and evenly distributed on the glide material (123).

6. Seismic isolation device according to claim 3, wherein the connection plate (121), the glide material (123), the glide panel (124) and the embedment plate (122) are each configured in a square or a circle.

7. Seismic isolation device according to claim 3, wherein the dimensions of the connection plate (121), the glide material (123), the glide panel (124) and the embedment plate (122) are all larger than the dimensions of the mount body (110).

8. Seismic isolation apparatus according to claim 3, wherein the connecting plate (121), the sliding material (123), the sliding panel (124) and the embedment plate (122) are provided with a plurality of mounting holes (126) through which the connecting assembly passes.

9. Seismic isolation device according to claim 8, wherein the mounting holes (126) are respectively arranged at positions close to four corners of the connecting plate (121), the sliding material (123), the sliding panel (124) and the embedded plate (122) or are uniformly distributed along the circumferential direction.

10. Seismic isolation apparatus according to claim 1, wherein the connection assembly (125) is a bolt-and-sleeve tendon assembly.