Height adjusting and supporting device for coal mining machine body

The utility model discloses a height adjusting and supporting device for a coal mining machine body, which comprises two height-adjustable supporting mechanisms which have the same structure and are symmetrically arranged on the coal mining machine body close to the coal wall side, the two height-ad...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BU QINGHUI, ZHAO SHUFEI, LIU YANRU, HU PEIQI, CHEN XIAOXU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING MINING OR QUARRYING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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