Opening and closing driving device for third column of double-line bridge erecting machine

• Main Authors: LIU CHAOYANG, QIN HONGYI, SU HAIMING, GUO KANG, WU XIAOJIE, SHI LEI, YANG YIZHAO, FENG TAO, HAO XIAOJUAN, LIU MENG, GAO ZHIJIE, ZHANG PENGTAO, WANG RUNYU, CHEN JIZHONG, SUN ZHI, ZHANG YOUKUN
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a double-line bridge erecting machine No.3 column opening and closing driving device, which comprises a mounting seat which is a combined support fixed on a bridge erecting machine arm and is provided with a mounting cavity; the hydraulic oil cylinder is composed of a cylinder body, a hydraulic oil way and a telescopic rod. The connecting ring is fixedly arranged on the outer wall of the cylinder body on the inner side of the mounting cavity in a sleeving manner, a hinge column inserted into the mounting seat is arranged on the connecting ring, and the connecting ring is hinged to the mounting seat through the hinge column; the connecting seat is provided with a hinged end hinged with the telescopic end of the telescopic rod and a fixed end fixedly connected with a third column of the bridge erecting machine; wherein the rotating direction of the connecting ring and the connecting seat is consistent with the opening and closing direction of the third column of the bridge erecting m