Patent ID: 11946217
Assignee: CHINA RAILWAY TUNNEL GROUP THIRD DIVISION CO., LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The top plate jacking device configured for V-shaped columns according to claim 1, wherein the connecting component comprises a plurality of upper abutting seats and a plurality of lower abutting seats, which are arranged evenly at intervals along a circumferential direction of at least one of the plurality of vertically connected column segments, a circular structure formed by the plurality of upper abutting seats and a circular structure formed by the plurality of lower abutting seats are mutually sleeved to limit a horizontal movement of the at least one of the plurality of vertically connected column segments, and a limiting rod group passes through and is provided between the plurality of upper abutting seats and the plurality of lower abutting seats.