Movable support mechanism of box type main beam lower support type trestle

• Main Authors: WANG YABO, WANG XIANGJUN, LI JI, CHENG BO, MAO CHENGBAO, ZHENG HUAICHEN, ZHANG WEISONG
• Format: Patent
• Language: Chinese; English
• Published: 07.09.2016
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; OR VIADUCTS; SHAFTS; TUNNELS

The invention relates to a movable support mechanism of a box type main beam lower support type trestle, and belongs to the technical field of tunnel inverted arch construction trestles. The movable support mechanism comprises a trestle body and a movable support mechanism body, wherein the movable support mechanism body is arranged between two box type main beams of the trestle body; an upper guide rail and a lower guide rail are arranged on the inside wall of each box type main beam in parallel; the movable support mechanism body is moved along the lower guide rails; the movable support mechanism body comprises upper rollers and lower rollers which are moved along the upper guide rails and the lower guide rails, and each upper roller is driven by a hydraulic motor; a bracket oil cylinder is arranged on the bottom surface of the movable support mechanism body, and consists of an oil cylinder and at least two stages of rectangular pipes; the two ends of the oil cylinder are respectively connected with the two