Vertical jacking ground breaking device and construction method

• Main Authors: JIANG XIAOQIANG, ZHAO PEI, XIA JIANKUN
• Format: Patent
• Language: Chinese; English
• Published: 07.03.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses a vertical jacking ground breaking device, and relates to the technical field of tunnel water taking and draining pipeline construction, the vertical jacking ground breaking device comprises a closed top disc, the closed top disc is provided with a flushing hole and a mud discharging hole, the closed top disc comprises an outer ring and an inner disc, the inner disc is coaxially and rotatably connected to the inner side of the outer ring, the flushing hole is formed in the inner disc, and the mud discharging hole is formed in the outer ring. And a driving part for driving the inner disc to rotate is arranged between the outer ring and the inner disc. The vertical jacking ground breaking device has the effects that the jacking speed of the closed top disc is increased, the jacking capacity of the vertical jacking ground breaking device is improved, and the construction efficiency of jacking ground breaking is improved. 本申请公开了一种垂直顶升破土装置，涉及隧道取排水管道施工技术的领域，其包括闷顶盘，所述闷顶盘上设置有冲水孔和排泥孔，所述闷顶盘包括外圈和