Self-resetting shock insulation support

Abstract

The invention discloses a self-resetting shock insulation support. The support comprises an upper support plate, an upper ellipsoidal plate, a lower ellipsoidal plate, a lower support plate, a bufferdevice, a universal ball, a limiting ring, a nut, a sliding rod and a disc spring. The self-resetting shock insulation support has the effects that a material is environment-friendly and harmless andhas no harm to the environment and constructors; damage of earthquakes to a structure is reduced by comprehensively utilizing horizontal, vertical and rotary seismic mitigation and isolation devices and a protection device; the support is high in adaptability and can be applied to various types and scales of bridges, houses and other civil engineering structures; under the combined action of the disc spring, the sliding rod, a semi-ellipsoidal groove and semi-ellipsoidal convex teeth, a good post-earthquake self-resetting characteristic is achieved; maximum corner displacement can be limited,pull-out resistance is achieved, structural safety and stability are improved, and risks of beam falling, support disengagement and the like are greatly reduced; parts are detachable, so that great convenience is brought to ordinary maintenance and post-earthquake repair; and horizontal, vertical and rotating effects of the earthquakes can be effectively reduced, and life and property safety of people and civil engineering building structures can be better protected.

Description

technical field [0001] The invention belongs to the technical field of shock absorption and isolation of civil engineering structures, in particular to a self-resetting shock isolation support. Background technique [0002] Earthquakes are frequent natural disasters. Because my country is located in the two major earthquake-prone areas of the Pacific Rim and the Eurasian belt, earthquakes have become the primary natural disaster that threatens the safety of people's lives and property. In order to reduce the damage caused by earthquakes, engineers introduce shock-absorbing and isolating devices into building structures. At present, actual projects usually use shock-absorbing and isolating bearings to reduce the damage caused by earthquakes to building structures. [0003] In civil engineering structures, seismic isolation bearings can effectively block the transmission of seismic energy and consume the energy released by earthquakes, thereby significantly reducing the damage ...

AI Technical Summary

Problems solved by technology

[0004] 1. Since the lead-core rubber vibration isolation bearing contains a large amount of heavy metal lead, it will cause great pollution to the environment

[0005] 2. Although the friction pendulum support can dissipate energy through friction, it cannot limit the maximum displacement of the swing, and there is a risk of falling beams. At the same time, it is difficult to achieve self-resetting after an earthquake by simply using gravity

[0006] 3. Although the liquid damping bearing has a good effect of vibration reduction and isolation, since most building structures have to be used for decades, or even a century, the liquid sealing effect is difficult to guarantee

[0007] 4. The existing support structure is complex, but most of them do not properly handle the pullout capacity of the support, which can easily cause dangerous consequences such as support falling off

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