Device and method for cleaning and recycling float coal behind top coal caving support

The invention provides a device and method for cleaning and recycling float coal behind a top coal caving support. The device is based on a rear support connecting rod of the top coal caving hydraulic support and comprises an overturning plate, a telescopic plate, a telescopic oil cylinder and a fir...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU SHUAIGANG, WANG GUANGHUI, YAN SHUAI, WU BOWEN, XU YING, BAI JIANBIAO, WANG XIANGYU, ZHAO JIAXIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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