CN211665558U

CN211665558U - Circumferential steel wire rope arranged along circumferential direction shock absorption and isolation support

Info

Publication number: CN211665558U
Application number: CN201922020417.5U
Authority: CN
Inventors: 王立志; 汪剑虹; 万信华; 冯清海; 曹琳琳; 胡珊珊; 赵剑菲; 李景德
Original assignee: Hengshui Rubber General Plant Co ltd
Current assignee: Hengshui Rubber General Plant Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-13
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to the technical field of bridge supports, in particular to a seismic isolation and reduction support with circumferential steel wire ropes arranged along the circumferential direction; the support is based on a hyperbolic pendulum support, and can play a role in energy consumption through longitudinal sliding and small-angle rotation of the support when resisting an earthquake, so that the support has the functions of shock absorption, energy consumption and self-resetting and protects a beam body from being damaged by the earthquake; adopt hoop wire rope's structure, can take place the compression when the earthquake and play supplementary power consumption effect, can take place again when upper seat board and lower bedplate reach the maximum displacement volume, annular wire rope takes place with hyperbolic pendulum-type support assorted deformation to play flexible tensile, flexible spacing function, solved current subtract isolation bearing and only had single subtract isolation mode, and do not have safeguard measure's problem.

Description

Circumferential steel wire rope arranged along circumferential direction shock absorption and isolation support

Technical Field

The utility model relates to a bridge beam supports technical field especially relates to hoop wire rope subtracts isolation bearing along circumference direction arrangement.

Background

At present, most of the existing seismic isolation and reduction supports only adopt a single seismic isolation and reduction mode, such as: the lead core rubber shock-proof support, the polyurethane spring spherical support, the large-friction-coefficient shock-proof support and the like are generally poor in shock absorption and isolation effects, protective measures are not taken, the support is dislocated and falls into a beam once the support exceeds the maximum displacement, the support does not have an anti-pulling function generally, the support is high in void ratio during earthquake, and the safety coefficient of a bridge is reduced; and when the existing seismic isolation bearing is provided with the annular steel wire rope along the normal direction, the overall volume of the seismic isolation bearing is large, and the anti-pulling capacity of the seismic isolation bearing is general.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the technical deficiencies, providing a seismic isolation and reduction support with circumferential steel wire ropes arranged along the circumferential direction, adopting a matching mode between an upper spherical surface sliding plate and a lower spherical surface sliding plate and a middle seat plate, and taking the support as the basis of a hyperbolic pendulum support, when resisting earthquake, the support can play the role of energy consumption through the longitudinal sliding and small-angle rotation of the support, thereby having the functions of damping energy consumption and self-resetting and protecting the beam body from being damaged by earthquake; the structure of the annular steel wire rope is adopted, so that the annular steel wire rope can be compressed to play a role in auxiliary energy consumption during an earthquake, and can deform in a way of being matched with the hyperbolic pendulum type support when the upper seat plate and the lower seat plate reach the maximum displacement, so that the functions of flexible tensile resistance and flexible limiting are achieved, and the problems that the existing shock absorption and isolation support only has a single shock absorption and isolation mode and does not have protective measures are solved; each group of annular steel wire ropes are transversely and longitudinally uniformly arranged, so that the overall anti-pulling capacity of the seismic isolation and reduction support can be effectively improved under the condition of meeting the arrangement requirement.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises an upper seat board; a middle seat plate is arranged in the middle of the lower part of the upper seat plate; an upper arc-shaped groove is formed in the middle of the lower portion of the upper seat plate; the periphery of the upper part of the upper seat plate is respectively provided with an upper anchoring component; the upper anchoring component is connected with the upper seat plate through bolts.

Further optimizing the technical scheme, the upper surface of the middle seat plate is provided with an upper spherical sliding plate; the upper surface of the upper spherical sliding plate is connected with the upper arc-shaped groove in a sliding manner; the lower surface of the upper spherical surface sliding plate is in surface contact with the middle seat plate; the lower surface of the middle seat plate is provided with a lower spherical sliding plate; the upper surface of the lower spherical surface sliding plate is in surface contact with the middle seat plate.

Further optimizing the technical scheme, the lower seat plate is arranged at the lower part of the middle seat plate; a lower arc-shaped groove is formed in the middle position of the upper part of the lower seat plate; the periphery of the lower part of the lower seat plate is respectively provided with a lower anchoring component; the lower anchoring component is connected with the lower seat plate through bolts; the lower surface of the lower spherical sliding plate is connected with the lower arc-shaped groove in a sliding manner.

Further optimizing the technical scheme, a plurality of groups of annular steel wire ropes are uniformly arranged between the lower seat plate and the upper seat plate; one end of the annular steel wire rope is connected with the lower surface of the upper seat plate through a bolt; the other end of the annular steel wire rope is connected with the upper surface of the lower base plate through a bolt.

Further optimizing the technical scheme, a plurality of groups of annular steel wire ropes are arranged along the circumferential direction of the lower arc-shaped groove; and each group of the annular steel wire ropes is uniformly arranged in the transverse direction and the longitudinal direction.

Compared with the prior art, the utility model has the advantages of it is following: 1. by taking the hyperbolic pendulum type support as a basis and matching with the structures of a plurality of groups of annular steel wire ropes, the energy consumption effect is improved by utilizing a combined energy consumption mode; 2. by selecting a plurality of groups of annular steel wire ropes, when an overlarge displacement is generated between the upper seat plate and the lower seat plate, the support is protected from the risks of dislocation and beam falling; 3. a plurality of groups of annular steel wire ropes are uniformly arranged between the lower seat plate and the upper seat plate, so that the support has the anti-pulling capacity, and the probability of support void is reduced; 4. the plurality of groups of annular steel wire ropes are arranged along the tangential direction of the lower arc-shaped groove, so that the overall volume of the support can be reasonably reduced under the condition of meeting the arrangement requirement; 5. each group of annular steel wire ropes are transversely and longitudinally uniformly arranged, and the structure can effectively improve the anti-pulling performance of the support.

Drawings

FIG. 1 is a cross-sectional view of the whole structure of the seismic isolation and reduction support arranged along the circumferential direction of the circumferential steel wire rope.

FIG. 2 is a top view of the whole structure of the seismic isolation and reduction support arranged along the circumferential direction of the circumferential steel wire rope.

In the figure: 1. an upper seat plate; 2. a middle seat plate; 3. a lower seat plate; 4. a circumferential steel wire rope; 101. an upper arc-shaped groove; 102. an upper anchor assembly; 201. an upper spherical surface sliding plate; 202. a lower spherical surface sliding plate; 301. a lower arc-shaped groove; 302. a lower anchor assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: as shown in the combined figure 1-2, comprises an upper seat plate 1; a middle seat plate 2 is arranged at the middle position of the lower part of the upper seat plate 1; an upper arc-shaped groove 101 is formed in the middle of the lower portion of the upper seat plate 1; the periphery of the upper part of the upper seat plate 1 is respectively provided with an upper anchoring component 102; the upper anchoring assembly 102 is connected with the upper seat plate 1 through bolts; the upper surface of the middle seat plate 2 is provided with an upper spherical sliding plate 201; the upper surface of the upper spherical sliding plate 201 is in sliding connection with the upper arc-shaped groove 101; the lower surface of the upper spherical surface sliding plate 201 is in surface contact with the middle seat plate 2; the lower surface of the middle seat plate 2 is provided with a lower spherical sliding plate 202; the upper surface of the lower spherical sliding plate 202 is in surface contact with the middle seat plate 2; the lower part of the middle seat plate 2 is provided with a lower seat plate 3; a lower arc-shaped groove 301 is formed in the middle of the upper portion of the lower seat plate 3; the periphery of the lower part of the lower seat plate 3 is respectively provided with a lower anchoring component 302; the lower anchoring component 302 is connected with the lower seat plate 3 through bolts; the lower surface of the lower spherical sliding plate 202 is connected with the lower arc-shaped groove 301 in a sliding way; a plurality of groups of annular steel wire ropes 4 are uniformly arranged between the lower seat plate 3 and the upper seat plate 1; one end of the annular steel wire rope 4 is connected with the lower surface of the upper seat plate 1 through a bolt; the other end of the annular steel wire rope 4 is connected with the upper surface of the lower base plate 3 through a bolt; a plurality of groups of the circumferential steel wire ropes 4 are arranged along the circumferential direction of the lower arc-shaped groove 301; each group of the annular steel wire ropes 4 are uniformly arranged in the transverse direction and the longitudinal direction.

When the shock absorption and isolation support manufactured by the utility model is used, as shown in fig. 1-2, a user connects the upper seat plate 1 and the beam body through the upper anchoring component 102 and connects the lower seat plate 3 and the beam pier through the lower anchoring component 302, and when the shock absorption and isolation support is used in a normal state, the shock absorption and isolation support is used as a common bridge support through the mutual matching among the upper seat plate 1, the middle seat plate 2 and the lower seat plate 3 to support the beam body; when an earthquake occurs, the upper seat plate 1 and the lower seat plate 3 can displace under the action of the earthquake, the upper spherical sliding plate 201, the lower spherical sliding plate 202 and the middle seat plate 2 are matched in an auxiliary manner at the moment, then the inner parts of the upper arc-shaped groove 101 and the lower arc-shaped groove 301 slide and swing at a small angle to play an energy consumption role, the auxiliary energy consumption role is further played through the compression and torsion of a plurality of groups of annular steel wire ropes 4, the annular steel wire ropes 4 are arranged along the circumferential direction, so that the whole volume of the support can be effectively reduced under the condition of meeting the arrangement requirement, the applicable occasion is improved, the plurality of groups of annular steel wire ropes 4 are uniformly arranged in the transverse direction and the longitudinal direction, the anti-pulling effect of the support is effectively improved, the energy consumption effect is improved by utilizing the combined energy consumption mode, and when the maximum displacement between the upper seat plate 1 and the lower seat, the support dislocation appears easily, the risk of roof beam falls even, hoop wire rope 4 takes place and support displacement assorted deformation this moment, thereby play flexible tensile, flexible spacing effect, then limit the continuation displacement between bedplate 1 and the lower bedplate 3, thereby make the support have the resistance to plucking function, reduce the probability of taking off the air of support, the protection bridge can not destroyed under the earthquake again, after the earthquake disappears, well bedplate 2 just can be under the effect of gravity, the automatic slip returns to the position placed in the middle of last arc recess 101 and lower arc recess 301, thereby realize automatic re-setting's function.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The hoop wire rope subtracts isolation bearing along what circumferential direction arranged, its characterized in that: comprises an upper seat board (1); a middle seat plate (2) is arranged in the middle of the lower part of the upper seat plate (1); an upper arc-shaped groove (101) is formed in the middle of the lower portion of the upper seat plate (1); the periphery of the upper part of the upper seat plate (1) is respectively provided with an upper anchoring component (102); the upper anchoring component (102) is connected with the upper seat plate (1) through bolts.

2. The seismic isolation and reduction support arranged along the circumferential direction of the circumferential steel wire rope according to claim 1, characterized in that: the upper surface of the middle seat plate (2) is provided with an upper spherical sliding plate (201); the upper surface of the upper spherical sliding plate (201) is in sliding connection with the upper arc-shaped groove (101); the lower surface of the upper spherical surface sliding plate (201) is in surface contact with the middle seat plate (2); the lower surface of the middle seat plate (2) is provided with a lower spherical sliding plate (202); the upper surface of the lower spherical sliding plate (202) is in surface contact with the middle seat plate (2).

3. The circumferential steel wire rope seismic isolation bearing arranged along the circumferential direction according to claim 2, wherein: a lower seat plate (3) is arranged at the lower part of the middle seat plate (2); a lower arc-shaped groove (301) is formed in the middle of the upper portion of the lower seat plate (3); the periphery of the lower part of the lower seat plate (3) is respectively provided with a lower anchoring component (302); the lower anchoring component (302) is connected with the lower seat plate (3) through bolts; the lower surface of the lower spherical sliding plate (202) is connected with the lower arc-shaped groove (301) in a sliding way.

4. The circumferential steel wire rope seismic isolation bearing arranged along the circumferential direction according to claim 3, wherein: a plurality of groups of annular steel wire ropes (4) are uniformly arranged between the lower seat plate (3) and the upper seat plate (1); one end of the annular steel wire rope (4) is connected with the lower surface of the upper seat plate (1) through a bolt; the other end of the annular steel wire rope (4) is connected with the upper surface of the lower seat plate (3) through a bolt.

5. The seismic isolation and reduction support arranged along the circumferential direction by the circumferential steel wire rope according to claim 4, characterized in that: a plurality of groups of annular steel wire ropes (4) are arranged along the circumferential direction of the lower arc-shaped groove (301); each group of the annular steel wire ropes (4) are uniformly arranged in the transverse direction and the longitudinal direction.