Multifunctional impact type hydraulic drill rig suitable for rock roadway working face construction

The invention belongs to the technical field of coal mine underground exploitation equipment, and particularly relates to a multifunctional impact type hydraulic drill rig suitable for rock roadway working face construction. According to the technical scheme, the multifunctional impact type hydrauli...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CUI QIFENG, ZHANG YAMING, JIA ZHENGANG, FENG HUA, YUAN ZHONGYU, LYU SHANYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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