Patents Assigned to China Railway Tunnel Group Third Division Co., Ltd.
  • Patent number: 11946217
    Abstract: The present application relates to a top plate jacking device and jacking construction method configured for V-shaped columns, the top plate jacking device comprising a temporary support pile comprises a plurality of pile holes arranged on a construction surface, a bottom end of the pile hole is cast-in-place with a bearing platform, a temporary support column is inserted on the bearing platform, a plurality of pillars are fixed at a top of the temporary support column, wherein comprises a plurality of vertically connected column segments, two adjacent column segments detachably connected vertically through a connecting component; a support block is provided at a top of the plurality of pillars, the top of the support block abuts against a lower surface of the top plate; a hydraulic jack is configured to jack the top plate and is provided with a plurality of intervals at the top of the temporary support column.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: April 2, 2024
    Assignees: China Railway Tunnel Group Co., Ltd., China Railway Tunnel Group Third Division Co., Ltd.
    Inventors: Jialiang Ding, Xin Zhang, Fuxian Yu, Huiwen Ding, Min Cao, Xianhai Tang, Ning Ma, Baixi Feng, Xin Wen