Patent ID: 11952768
Assignee: NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. The fabricated concrete connection structure according to claim 1, wherein each of the connection male heads (3) comprises a sixth sleeve pipe (36), a fifth sleeve pipe (31) being sleeved on an outer wall of the sixth sleeve pipe (36), one end of the fifth sleeve pipe (31) being fixedly connected to a second connection sleeve (30), and the second connection sleeve (30) being sleeved on an outer side of the sixth sleeve pipe (36); one end of the sixth sleeve pipe (36) being fixedly connected to a second push block (26), the other end of the sixth sleeve pipe (36) being fixedly connected to a fixed support (37), and an outer wall of the fixed support (37) being fixedly connected to an inner wall of the fifth sleeve pipe (31);
a center of the fixed support (37) being fixedly connected to a seventh sleeve pipe (38), an inner side of a middle portion of the seventh sleeve pipe (38) being fixedly connected to a fixed plate (40), one side of the fixed plate (40) being elastically connected to a connection part, and one end of the connection part being slidably connected to an inner wall of the second push block (26); a lifting part being arranged on the other side of the fixed plate (40), one end of the lifting part being rotatably connected to the fixed plate (40), the other end of the lifting part being fixedly connected to a second reinforcing steel joint (22), the second reinforcing steel joint (22) penetrating through the fifth sleeve pipe (31), an outer wall of the second reinforcing steel joint (22) being slidably connected to the inner wall of the fifth sleeve pipe (31) and being fixedly connected to a wall-connecting plate (34), the wall-connecting plate (34) being positioned on an outer side of the fifth sleeve pipe (31), and the wall-connecting plate (34) being fixedly connected to the bottom of the shear wall member (1); and
the inner wall of the second push block (26) being fixedly embedded with a second sealing ring (27), and the second sealing ring (27) being slidably connected to one end of the connection part; and an open hole being disposed on a side wall, close to the second reinforcing steel joint (22), of one end of the fifth sleeve pipe (31), and the open hole being threadedly connected to a screw piston (33).