Oil pressure type seismic mitigation and isolation support and use method thereof

An oil pressure type seismic mitigation and isolation support, comprising an upper plate slot (1), a lower plate slot (2), a steel cushion body (6) and a seismic mitigation layer, wherein the upper plate slot (1) is arranged above the lower plate slot (2), a lower part of the upper plate slot (1) and an upper part of the lower plate slot (2) are both provided with grooves, and an upper part of the upper plate slot (1) and a lower part of the lower plate slot (2) are both provided with embedded bars (3);

• the steel cushion body (6) has a shape of a cuboid and is arranged on an upper surface of the seismic mitigation layer, the seismic mitigation layer is arranged in a groove at the upper part of the lower plate slot (2), and an upper part of the steel cushion body (6) extends into a groove of the upper plate slot (1) and is in contact with a bottom surface of the groove;
• baffles (12) are respectively arranged on side faces of the steel cushion body (6) in the groove of the upper plate slot (1), an oil pressure cylinder (11) for seismic mitigation is arranged between each of the baffles (12) and an inner wall of the groove of the upper plate slot (1), each of the baffles (12) is connected with the upper plate slot (1) via a position adjustment mechanism, and the position adjustment mechanism can make each of the baffles (12) contact with the side face of the steel cushion body (6) or leave a preset distance between each of the baffles (12) and the side face of the steel cushion body (6).