Crawler-type coal face withdrawing device and application method thereof

The invention discloses a crawler-type coal face withdrawing device and an application method thereof. The crawler-type coal face withdrawing device comprises a base, wherein walking crawler belts arearranged on two sides of the lower part of the base; crawler belt baffle plates are arranged above t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG FUHAI, HU LI'E
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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