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

Claim 9:
10. A top plate jacking device for V-shaped columns, comprising:
a temporary support pile, wherein the temporary support pile comprises a plurality of pile holes arranged on a construction surface, a cast-in-place bearing platform is provided at a bottom end of each of the plurality of pile holes, a temporary support column is inserted on the cast-in-place bearing platform, a plurality of pillars are fixed at a top of the temporary support column, the temporary support column comprises a plurality of vertically connected column segments, and two adjacent column segments of the plurality of vertically connected column segments are detachably connected vertically with each other with a connecting component;
a support block that is provided at a top of the plurality of pillars, wherein a top end of the support block abuts against a lower surface of a top plate; and
a hydraulic jack, configured to jack the top plate, wherein the hydraulic jack is provided with a plurality of intervals at the top of the temporary support column;
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.