Movable formwork hoisting device for cast-in-place girder wet joint and construction method

• Main Authors: CHEN JIALIANG, YU CHUNLEI, ZHU ZHIFU, SU HAOYUAN, SHI YUHAO, ZHAO XIANKUI, YANG YUBO
• Format: Patent
• Language: Chinese; English
• Published: 19.11.2021
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention relates to a movable formwork hoisting device for a cast-in-place girder wet joint and a construction method. The device comprises a girder system, a formwork system, a lowering and lifting system, a walking system and an operation platform, the girder system comprises an upper main beam, a lower main beam and a front guide beam, the upper main beam and the lower main beam are fixedly connected together through finish rolling deformed steel bars and nuts, the formwork system comprises secondary beams, distribution beams and a formwork panel and is arranged above the lower main beam, the lowering and lifting system comprises finish rolling deformed steel bars, nuts, center hole jacks and split heads and is used for connecting and fixing the upper main beam and the lower main beam and controlling the distance between the upper main beam and the lower main beam, the walking system comprises a spherical steel ball, a stopping piece, a fixing sliding groove, an outer steel ring and a spherical steel