Vertical self-resetting three-dimensional seismic mitigation and isolation bearing and installation method thereof

A vertical self-resetting three-dimensional seismic mitigation and isolation bearing, comprising a vertical seismic mitigation and isolation device and a horizontal seismic mitigation and isolation device, wherein the vertical seismic mitigation and isolation device and the horizontal seismic mitigation and isolation device are connected vertically,

• wherein the vertical seismic mitigation and isolation device comprises an upper vertical connecting plate, a self-resetting friction damping member, a guide member, a helical spring and a lower vertical connecting plate, and the horizontal seismic mitigation and isolation device adopts a friction pendulum bearing;
• the guide member and the helical spring are arranged between the upper vertical connecting plate and the lower vertical connecting plate, the guide member has two ends that are connected to the upper vertical connecting plate and the lower vertical connecting plate, respectively, and the helical spring is sleeved on the guide member;
• the self-resetting friction damping member is arranged between the upper vertical connecting plate and the lower vertical connecting plate, the self-resetting friction damping member has two ends that are connected to the upper vertical connecting plate and the lower vertical connecting plate, respectively;
• the self-resetting friction damping member comprises two cover plates, two clamping plates, disc springs, and second bolts;
• the two clamping plates are clamped between the two cover plates, contact surfaces of the cover plate and the clamping plate are inclined surfaces having inclination angles that are complementary to each other, the disc springs are arranged on two sides of the two cover plates facing away from each other, and each of the second bolts extends through a corresponding one of the two clamping plates, the two cover plates and corresponding ones of the disc springs on the two sides of the two cover plates.