Anchoring device and anchoring method for idler wheel supporting leg of girder guide machine during erection of box girder

• Main Authors: GAO MING, SHEN HANMING, WANG QINGSHAN, ZHANG NIJIN, LU BIN, LUO JIANPING, CHEN ZHI, LI JIANJUN, CHEN GUOHUA, XIONG WANGCI
• Format: Patent
• Language: Chinese; English
• Published: 19.08.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

According to the girder guiding machine roller supporting leg anchoring device and method used during box girder erection, the device comprises a supporting leg body and a bracket, the anchoring device comprises an anchoring assembly and an adjusting supporting frame, the adjusting supporting frame is detachably connected with the bracket, and the anchoring assembly is detachably connected with an anchor bolt hole. The method comprises the steps that S1, the roller supporting leg is placed on the pier cap; s2, the transverse beam is arranged on the bracket in a pressing mode; s3, the longitudinal beams are arranged on the transverse beams in a pressing mode; s4, the transverse beam is adjusted, so that the longitudinal beam reaches the preset position and is locked; s5, connecting screw rods and the longitudinal beams are pre-connected; s6, the expansion head is installed on the connecting screw rod, the expansion piece is arranged on the connecting screw rod, and it is ensured that the interior of the expans