Lifting appliance for lifting ring groove in cylindrical workpiece and lifting method

The invention discloses a lifting appliance for a lifting ring groove in a cylindrical workpiece and a lifting method. A lifting appliance for lifting a ring groove in a cylindrical workpiece comprises a mandrel, a lifting part is arranged on the mandrel, a circular truncated cone part is arranged a...

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Bibliographische Detailangaben
Hauptverfasser:	LIU XIAODONG, YU XIONGJUN, TAN ZHENGUO, WANG ZHENZHE, ZHAN CHENG, SU BIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
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