Limiting device for operating handle of coal mine hydraulic support valve group

• Main Authors: CHENG XIBIN, ZHOU DINGDING, HUANG ANTING, ZHANG YIFAN
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; EARTH DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GALLERIES; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LARGE UNDERGROUND CHAMBERS; LIGHTING; MECHANICAL ENGINEERING; MINING; SHAFTS; TAPS; THERMAL INSULATION IN GENERAL; TUNNELS; VALVES; WEAPONS

The utility model belongs to the technical field of hydraulic support valves, particularly relates to a limiting device for an operating handle of a coal mine hydraulic support valve group, and aims to solve the problem that potential safety hazards exist when a worker mistakenly touches the operati...