Impact damage prevention roadway support

• Main Authors: JU WENJUN, CHU XIAOWEI, MENG XIANZHI, FU YUKAI, SHI MENG, ZHANG ZHEN, LI WENZHOU, WANG ZHANLING, WU ZHIGANG
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention relates to the technical field of roadway support, and provides an anti-impact-damage roadway support which comprises a plurality of profile steel supports arranged along a roadway. Each profile steel support comprises at least three sections of profile steel, cable clamping assemblies and energy absorption components or damping pieces between cable clamping, the at least three sections of profile steel are in lap joint end to end to form a door-shaped frame, and the shape of the door-shaped frame is matched with the shape of the cross section of a roadway; at least two cable clamping assemblies are arranged on the lap joint sections of any two sections of section steel which are in lap joint, the at least two cable clamping assemblies are arranged along the lap joint sections at intervals, and the cable clamping assemblies clamp and fix the lap joint sections. An energy absorption component or an inter-cable clamping damping piece is connected between any two adjacent cable clamping assemblies