A self-resetting seismic isolation bearing

Abstract

The utility model provides a kind of self-resetting seismic isolation support, including connecting mechanism, seismic isolation mechanism, detachable self-resetting mechanism, SMA stick and viscous damper, connecting mechanism includes upper support steel sheet and lower support steel sheet;Seismic isolation mechanism is arranged between the upper support steel sheet and the lower support steel sheet, detachable self-resetting mechanism is equipped with multiple groups, to the center of the seismic isolation mechanism circle as center equiangular distribution, the detachable self-resetting mechanism can include bottom plate, memory alloy plate, bottom plate is symmetric detachable installation in the bottom of the upper support steel sheet and the top of the lower support steel sheet;Memory alloy plate is C type structure, detachable installation between the upper support steel sheet and the lower support steel sheet;The SMA stick is detachably installed in the memory alloy plate;Viscous damper is rotatably connected between the bottom plate of upper and lower.The utility model designs the detachable reset mechanism as replaceable form, at the same time, memory alloy plate is also set as replaceable form, it is convenient to post-disaster rapid repair or replacement.

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