Three-way seismic isolation pedestal with two-way guide rail disc springs

Abstract

The invention relates to a three-way seismic isolation pedestal with two-way guide rail disc springs. The three-way seismic isolation pedestal comprises a base plate, a bottom plate horizontal seismic isolation device, a middle plate vertical switching device, an upper plate vertical seismic isolation device, a steel box and a top plate, wherein the bottom plate horizontal seismic isolation device is fixed on the base plate; the bottom plate horizontal seismic isolation device is connected with the upper plate vertical seismic isolation device through the middle plate vertical switching device; the upper plate vertical seismic isolation device is connected to the periphery of the steel box; the steel box is connected to the lower part of the top plate. According to the invention, the aims that the vertical earthquake action is reduced while the horizontal seismic isolation can be realized are achieved, the input energy of three-way earthquake can be weakened through a damping device, seismic isolation protection can be provided for the structure requiring earthquake reduction and isolation in both the vertical direction and the horizontal direction, and the transmission path of the earthquake action towards protected equipment or cultural relics in the collection of cultural institutions can be cut off or weakened, so that the purposes of protecting structures, equipment or the cultural relics in the collection of cultural institutions through reducing the earthquake input energy can be achieved.

Description

technical field [0001] The invention relates to shock-absorbing and isolating structures, equipment and cultural relics in museum collections, in particular to a three-way shock-isolation pedestal with disc springs on bidirectional guide rails. Background technique [0002] China is located in an earthquake-prone area and is one of the countries most seriously affected by earthquakes in the world. As a natural disaster, earthquakes pose a great threat to human life and property safety. With the rapid development of social economy, the losses caused by earthquakes are becoming more and more serious. Earthquakes are caused by the fact that the crustal rocks are in a complex stress state. With the continuous change of the earth's crust, when the in-situ stress exceeds the ultimate strength of a certain rock layer, the rock layer will suddenly break and dislocate, causing vibrations and elastic The waves spread to the surface, causing objects with a certain mass near the surfac...

AI Technical Summary

Problems solved by technology

However, the actual earthquake damage shows that the impact of vertical earthquakes on objects cannot be ignored, and in some cases, its effects will exceed those of horizontal earthquakes.

Traditional seismic isolation pedestals are generally used for isolation in the horizontal direction, which makes traditional seismic isolation pedestals not meet the requirements of vertical seismic isolation on the one hand, and on the other hand, in some cases, it will also amplify the vertical seismic action effect

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