Auxiliary automatic downhole cage lifting connection device of single-rope-winding type lifting system

The utility model discloses an auxiliary automatic downhole cage lifting connection device of a single-rope-winding type lifting system. The device comprises a base with the two ends provided with rotary tables. The rotary tables are each provided with a lifting platform and a supporting platform. T...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU YANHUI, ZHAO SHIJIE, DU SHAOFENG, MU JUHAI, GUO LIANG, GAO LIANG, LI SHUJUN, MAO JUNJIN, LIU FENGJI
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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