Ferry device of gate-type hydraulic support for coal mine

The invention discloses a ferrying device of a gate-type hydraulic support for a coal mine. The ferrying device comprises a sliding seat, a connecting seat, a swing arm, a swing driving part, a bearing disc and a lifting driving part, wherein the sliding seat is arranged in a sliding manner; the two...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI JU, GAO QIZHANG, ZHANG QINGLIANG, LI LIN, MA MINGGUO, PANG QINGQING, ZHANG DIANLONG, TANG DONGXU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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