Large-section circular tunnel bottom arch concrete lining needle beam slip form trolley

• Main Authors: HE LEI, XUE JINFANG, YU SHUN, PANG ZHI, ZHANG JIAN, PU PINGXIN, WEI JINGZHE, YUAN CHAOYI, GENG KUN, ZHAO YINGSHU, DENG SHENGBAO, ZHU SONG, LIU CUILI, HU ZURONG
• Format: Patent
• Language: Chinese; English
• Published: 08.11.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a large-section circular tunnel bottom arch concrete lining needle beam slip form trolley which comprises a portal frame, a needle beam, a portal frame and needle beam staggered moving mechanism, a formwork device and a formwork adjusting mechanism. The door frame is in sliding connection with the needle beam through the rails and the first walking wheels, the formwork device is located between the supporting leg structures at the front end and the rear end of the door frame, and the formwork adjusting mechanism is installed on the two rail installation frames. The portal needle beam staggered moving mechanism comprises jacking oil cylinders installed on the needle beam front support and the needle beam rear support and a translation transmission assembly installed on the needle beam. By adopting the principle of relative movement, the front-back movement of the door frame and the needle beam is realized through the alternate supporting effect of the needle beam support and the doo