Protective device for safe mining of mine working face

A safe mining protection device for a mine working face comprises a protection component and a self-moving system. The protection component comprises vertical supporting components, every two vertical supporting components form a group, and every two vertical supporting component monomers are opposi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIE QUN, MA QUAN, ZHU DONGXU, GONG ZHENLING, QIN LUSHENG, SONG YINGCHUN, YANG HAILONG, QIN XIANBIN, SONG LIANG, HU KE, MA ZHUTAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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