Coal-rock mass fracture self-repairing device

The utility model relates to a coal and rock mass fracture self-repairing device, which can effectively solve the problem of generation of coal and rock mass fractures, and adopts the technical scheme that the coal and rock mass fracture self-repairing device comprises a control device and a gas-liq...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN MENG, XU YONGLIANG, LYU ZECHENG, GONG XIANGJUN, WANG LANYUN, JIAO KUNPENG, HUO XINGWANG, ZHAO TIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LARGE UNDERGROUND CHAMBERS MEASURING MINING PHYSICS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TUNNELS
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