Dustproof coaming structure of building friction pendulum shock insulation support

Abstract

The utility model relates to the technical field of building shock insulation, and particularly discloses a building friction pendulum shock insulation support dustproof coaming structure which comprises an upper support plate and a lower support plate which are oppositely arranged, and a dustproof coaming arranged between the upper support plate and the lower support plate, the upper support plate and the lower support plate are both of a circular structure, and the dustproof coaming is arranged between the upper support plate and the lower support plate. The opposite side plate faces of the upper support plate and the lower support plate are each provided with an annular convex edge along the periphery, the dustproof surrounding plate is of an annular structure, the section of the dustproof surrounding plate is of an n-like structure, the dustproof surrounding plate comprises a long vertical part, a short vertical part and a transverse part, an annular special-shaped groove is formed among the long vertical part, the short vertical part and the transverse part, the specification of the annular special-shaped groove is matched with the specification of the annular convex edge, and the annular convex edge is matched with the annular special-shaped groove. The dustproof coaming is clamped on the annular convex edge of the lower support plate through the annular special-shaped groove, the short vertical portion of the dustproof coaming is arranged on the inner side of the lower support plate, the top face of the transverse portion of the dustproof coaming abuts against the annular convex edge of the upper support plate, installation and operation are easy, the using effect is good, and the dustproof effect on the building friction pendulum shock insulation support is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building seismic isolation, in particular to a dustproof enclosure structure of a friction pendulum seismic isolation support for a building. Background Art

[0002] The Regulations on Earthquake Resistance Management of Construction Projects stipulate that newly built schools, kindergartens, hospitals, nursing homes, child welfare institutions, emergency command centers, emergency shelters, radio and television stations and other buildings located in high-intensity fortification areas and earthquake key monitoring and defense areas should adopt seismic isolation and shock reduction technology. With the development of seismic isolation technology in my country at this stage, more and more building friction pendulum seismic isolation bearings with superior performance and significant seismic isolation effects that have been tested by multiple major earthquakes are replacing traditional laminated rubber bearings in building seismic isolation design. However, existing building friction pendulum seismic isolation bearings mostly use EPDM rubber for dustproof sealing, which has the following defects: high material cost, high installation cost, and the need to add fasteners; stainless steel clamps are required for fastening, and the installation process is cumbersome; the fastening position is prone to cracking due to long-term pressure and cannot reach the aging life of the material itself; after an earthquake, the dustproof enclosure is easily damaged and needs to be replaced completely. Utility Model Content

[0003] The utility model aims to provide a dustproof enclosure structure of a friction pendulum seismic isolation support for a building, and aims to solve the technical problems mentioned in the above-mentioned background technology.

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

[0005] A dustproof enclosure structure for a friction pendulum seismic isolation bearing of a building, comprising an upper bearing plate and a lower bearing plate arranged opposite to each other, and a dustproof enclosure arranged between the upper bearing plate and the lower bearing plate, wherein the upper bearing plate and the lower bearing plate are both circular structures, and the opposite side plate surfaces of the upper bearing plate and the lower bearing plate are both provided with annular convex edges along the outer circumference, and the dustproof enclosure is an annular structure with an N-shaped cross-section, and the dustproof enclosure comprises a long vertical portion, a short vertical portion and a horizontal portion, and an annular special-shaped groove is formed between the long vertical portion, the short vertical portion and the horizontal portion, and the specifications of the annular special-shaped groove are compatible with the specifications of the annular convex edge, and the dustproof enclosure is clamped with the annular convex edge of the lower bearing plate through the annular special-shaped groove, and the short vertical portion of the dustproof enclosure is arranged on the inner side of the lower bearing plate, and the top surface of the horizontal portion of the dustproof enclosure abuts against the annular convex edge of the upper bearing plate.

[0006] Furthermore, the dustproof enclosure includes two spliced ​​semicircular rings, and a plurality of matching convex strips and grooves are respectively provided at both ends of the semicircular rings. The plurality of convex strips are arranged in parallel along the entire length of the end faces of the semicircular rings, and the convex strips and the grooves are plugged and fixed. A fixing rod is provided at the splicing interface of the two semicircular rings, and through holes are vertically provided on the convex strips and the grooves. The two semicircular rings are connected and fixed by a fixing rod that penetrates the convex strips and the grooves at the same time.

[0007] Furthermore, the cross section of the convex strip is a rectangular structure or a trapezoidal structure.

[0008] Furthermore, the dustproof enclosure is made of EPDM foam.

[0009] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0010] The utility model provides a dustproof enclosure between the upper support plate and the lower support plate. The dustproof enclosure is made of EPDM foam material, which reduces the cost of raw materials and eliminates fasteners, further reducing cost expenditure. The dustproof enclosure is clamped with the annular convex edge of the lower support plate through an annular special-shaped groove. The installation operation is simple, and there is no long-term pressing force of the fasteners. The service life is long. The top plane of the dustproof enclosure and the upper support plate can slide relatively. The dustproof enclosure is not easily damaged after an earthquake, and a good dustproof effect is achieved. It is safe and applicable, has good promotion and practical value, and will produce good economic benefits after wide promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0013] Figure 3 for Figure 2 A magnified view of the structure at center;

[0014] Figure 4 It is a schematic diagram of the docking structure of the dustproof enclosure of the utility model.

[0015] Figure numerals: 1. upper support plate; 2. lower support plate; 3. dustproof enclosure plate; 4. annular convex edge; 5. annular special-shaped groove; 6. convex strip; 7. concave groove; 8. fixing rod. DETAILED DESCRIPTION

[0016] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0017] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0018] The utility model discloses a dustproof enclosure structure of a friction pendulum isolation support, such as Figures 1 to 3 As shown, it includes an upper support plate 1 and a lower support plate 2 that are arranged oppositely, and a dustproof enclosure 3 arranged between the upper support plate 1 and the lower support plate 2, the dustproof enclosure 3 is made of EPDM foam, the upper support plate 1 and the lower support plate 2 are both circular structures, the opposite side plate surfaces of the upper support plate 1 and the lower support plate 2 are both concave arc surfaces, the opposite side plate surfaces of the upper support plate 1 and the lower support plate 2 are both provided with an annular convex edge 4 along the outer periphery, the dustproof enclosure 3 is an annular structure, and the cross-section of the dustproof enclosure 3 is a quasi-n-shaped structure, The dustproof enclosure 3 comprises a long vertical portion, a short vertical portion and a horizontal portion. The top surface of the horizontal portion of the dustproof enclosure 3 is a plane. An annular special-shaped groove 5 is formed between the long vertical portion, the short vertical portion and the horizontal portion. The specification of the annular special-shaped groove 5 is adapted to the specification of the annular convex edge 4. The dustproof enclosure 3 is clamped on the annular convex edge 4 of the lower support plate 2 through the annular special-shaped groove 5. The short vertical portion of the dustproof enclosure 3 is arranged inside the lower support plate 2. The top surface of the horizontal portion of the dustproof enclosure 3 abuts against the annular convex edge 4 of the upper support plate 1. The dustproof enclosure 3 comprises two spliced ​​semicircular rings, such as Figure 4 As shown, a plurality of matching ridges 6 and grooves 7 are respectively provided at both ends of the semicircular ring, and the ridges 6 and grooves 7 are both provided on the transverse part of the dustproof enclosure 3. A plurality of ridges 6 are arranged in parallel along the entire length of the end face of the semicircular ring, and the ridges 6 and grooves 7 are plugged and fixed. A fixing rod 8 is provided at the joint of the two semicircular rings, and through holes are vertically provided on the ridges 6 and the grooves 7. The two semicircular rings are connected and fixed by the fixing rod 8 that penetrates the ridges 6 and the grooves 7 at the same time. The cross-section of the ridge 6 is a rectangular structure or a trapezoidal structure.

[0019] When in use, the dustproof enclosure 3 is pressed onto the annular convex edge 4 of the lower support plate 2 through the annular special-shaped groove 5 to reach a stable state. The top surface of the transverse part of the dustproof enclosure 3 is a plane, and the upper support plate 1 is directly pressed on the top surface of the transverse part of the dustproof enclosure 3. The tiny surplus between the annular convex edge 4 of the upper support plate 1 and the top surface of the transverse part of the dustproof enclosure 3 forms a seal, which has a dustproof effect.

[0020] The utility model arranges a dustproof enclosure between the upper support plate and the lower support plate. The dustproof enclosure is made of EPDM foam material, which reduces the cost of raw materials and eliminates fasteners, further reducing cost expenditure. The dustproof enclosure is clamped with the annular convex edge of the lower support plate through an annular special-shaped groove. The installation operation is simple, and there is no long-term pressing force of the fasteners. The service life is long. The top plane of the dustproof enclosure and the upper support plate can slide relatively. The dustproof enclosure is not easily damaged after an earthquake, thereby achieving a good dustproof effect.

[0021] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dustproof enclosure structure for a friction pendulum seismic isolation support of a building, characterized by: The invention comprises an upper support plate (1) and a lower support plate (2) which are arranged opposite to each other, and a dustproof enclosure plate (3) which is arranged between the upper support plate (1) and the lower support plate (2), wherein the upper support plate (1) and the lower support plate (2) are both circular structures, and the upper support plate (1) and the lower support plate (2) are both provided with an annular convex edge (4) along the outer periphery on the opposite side plate surfaces, and the dustproof enclosure plate (3) is an annular structure with an N-shaped cross section, and the dustproof enclosure plate (3) comprises a long vertical portion, a short vertical portion, and a plurality of vertical portions. The upper support plate (1) and the lower support plate (2) are connected to each other through the annular shaped groove (5), the short vertical portion and the long vertical portion, and the short vertical portion and the transverse portion form an annular special-shaped groove (5), the specification of the annular special-shaped groove (5) is matched with the specification of the annular convex edge (4), the dustproof enclosure plate (3) is clamped with the annular convex edge (4) of the lower support plate (2) through the annular special-shaped groove (5), the short vertical portion of the dustproof enclosure plate (3) is arranged on the inner side of the lower support plate (2), and the top surface of the transverse portion of the dustproof enclosure plate (3) is in contact with the annular convex edge (4) of the upper support plate (1).

2. The dustproof enclosure structure of a friction pendulum seismic isolation support according to claim 1 is characterized by: The dustproof enclosure (3) comprises two spliced ​​semicircular rings, with a plurality of matching convex strips (6) and grooves (7) respectively provided at both ends of the semicircular rings, the plurality of convex strips (6) being arranged in parallel along the entire length of the end surface of the semicircular ring, the convex strips (6) and the grooves (7) being plugged and fixed, a fixing rod (8) being provided at the splicing interface of the two semicircular rings, the convex strips (6) and the grooves (7) being vertically provided with through holes, and the two semicircular rings being connected and fixed by the fixing rod (8) penetrating both the convex strips (6) and the grooves (7) at the same time.

3. The dustproof enclosure structure of a friction pendulum seismic isolation support according to claim 2 is characterized by: The cross section of the convex strip (6) is a rectangular structure or a trapezoidal structure.

4. The dustproof enclosure structure of a friction pendulum seismic isolation support according to claim 1 is characterized by: The dustproof enclosure (3) is made of EPDM foam.

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