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

Claim 1:
2. The fabricated concrete connection structure according to claim 1, wherein the fastening part comprises a sliding ring (8), one end of the sliding ring (8) being fixedly connected to a first connection sleeve (9); a middle portion of the sliding ring (8) abutting against one ends of first springs (14), and the other ends of the first springs (14) abutting against an end portion of the first sleeve pipe (7); an inner wall of the sliding ring (8) being slidably connected to the outer wall of the first sleeve pipe (7); an inner wall, away from the first sleeve pipe (7), of one side of the sliding ring (8) being slidably connected to the outer wall of the second sleeve pipe (10); and a plurality of keep-space grooves being disposed at equal intervals along a circumference at one end, away from the first sleeve pipe (7), of the sliding ring (8), the plurality of keep-space grooves being in one-to-one correspondence with the plurality of open grooves, and the keep-space groove being connected to the clamp bead (13) in a clamping mode.