Roadway brow line supporting device

• Main Authors: ZHANG PENGFEI, YANG QINGPING, TAN KAI, QI ZEFENG, YAO GAOHUI
• Format: Patent
• Language: Chinese; English
• Published: 05.12.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model provides a roadway brow line supporting device, and belongs to the technical field of mining. The device comprises a cylinder body, a supporting frame and supporting plates, the bottom of the cylinder body is connected with supporting feet through shafts, the upper portion of the cylinder body is connected with the supporting frame through shafts, the supporting frame is connected with a supporting plate A and supporting plates B through shafts, the supporting plate A and the supporting plates B are connected through shafts, the two supporting plates B are connected through shafts, and an electromagnetic reversing valve is arranged outside the cylinder body. Wherein the cylinder body is a hydraulic cylinder. The supporting plate is pushed to be opened and closed through the hydraulic oil cylinder, meanwhile, the supporting of the position of the brow line is achieved under the combined action of the thrust of the supporting foot and the ground and the thrust of the supporting plate, the road