Bottom lifting pushing mechanism for hydraulic support base

The utility model relates to the technical field of hydraulic supports, in particular to a bottom lifting pushing mechanism for a hydraulic support base. The base lifting device comprises a bottom lifting part used for lifting a base, a push rod used for supporting the bottom lifting part when the b...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU JINLONG, HAN HUADONG, LIU XUEFENG, HU CHUNHUA, BAI JINLONG, LI JINGXI, QIN YANHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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