Tunnel engineering steel arch fixing device

• Main Authors: ZHANG CHENG, LU DONGDONG, SUN HAIBIN, ZHAO KAI, LI XINGJIE, SUN FANGGANG, WANG XINGQI, WANG ZHILEI, GAO JINTAO
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2022
• Subjects: BLASTING; EARTH DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GALLERIES; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LARGE UNDERGROUND CHAMBERS; LIGHTING; MECHANICAL ENGINEERING; MINING; SHAFTS; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; TUNNELS; WEAPONS

The utility model relates to a tunnel engineering steel arch fixing device, which belongs to the technical field of tunnel engineering steel arches and comprises a bearing frame, and universal wheels are rotatably connected to the bottom of the bearing frame close to the edges of four corners. According to the utility model, after the steel arch frame main body is hoisted to the top of the embedded pile, the bearing frame at the top of the universal wheel is pushed to move through the armrest frame, and the embedded pile and the steel arch frame main body are placed in through the notch in the front surface of the bearing frame until one side of the first connecting plate can be attached to the standard block; a telescopic air cylinder at the bottom of a fixing plate is started through a controller to erect a bearing frame till the height of an extrusion plate is matched with the height of a first connecting plate and a second connecting plate, extrusion air cylinders on the two sides are started through the