US 11,946,217 B1
Top plate jacking device and jacking construction method configured for V-shaped columns
Jialiang Ding, Guangdong (CN); Xin Zhang, Guangdong (CN); Fuxian Yu, Guangdong (CN); Huiwen Ding, Guangdong (CN); Min Cao, Guangdong (CN); Xianhai Tang, Guangdong (CN); Ning Ma, Guangdong (CN); Baixi Feng, Guangdong (CN); and Xin Wen, Guangdong (CN)
Assigned to China Railway Tunnel Group Co., Ltd., Guangdong (CN); and China Railway Tunnel Group Third Division Co., Ltd., Shenzhen (CN)
Filed by China Railway Tunnel Group Co., Ltd., Guangdong (CN); and China Railway Tunnel Group Third Division Co., Ltd., Guangdong (CN)
Filed on Sep. 18, 2023, as Appl. No. 18/369,253.
Int. Cl. E02D 29/00 (2006.01); E02D 27/14 (2006.01); E02D 29/045 (2006.01)
CPC E02D 29/045 (2013.01) [E02D 27/14 (2013.01)] 11 Claims
OG exemplary drawing
 
1. 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 support block comprises an inclined plate, a upper flat plate and a lower flat plate, the upper flat plate, the lower flat plate and the inclined plate are arranged in a Z-shaped pattern, two ends of the inclined plate are hinged to the upper flat plate and the lower flat plate, and an end of each of the upper flat plate and the lower flat plate that is hinged departing from the inclined plate is provided with a support plate, the support plate is vertically arranged, and a first end of the support plate is slidably connected to the upper flat plate or the lower flat plate, a second end of the support plate is hinged with a hinged seat, the hinged seat is slidably connected to the inclined plate, a locking element is provided between the support plate and the upper flat plate or the lower flat plate for locking, and an output end of the hydraulic jack abuts against a lower surface of the upper flat plate for driving the upper flat plate to move up and abut against the top plate.