Self-moving forepoling of coal face top cutting line

The invention relates to the technical field of coal mining equipment, in particular to a coal face top cutting line self-moving forepoling. The device comprises a first base, a second base, a pushing device, a plurality of first stand columns and a plurality of second stand columns. The first base...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JIA SHUO, WANG DONGCHEN, HAN HUADONG, FENG WEIBIN, ZHEN YADONG, CHEN JINGLONG, JIANG WEI, LI JINGXI, CHEN WEINA, SUN HUAQING, QIN YANHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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