Device for preventing steel wire rope of crown block from being reversely wound

The utility model relates to a device for preventing a steel wire rope of a crown block from being reversely wound and belongs to the technical field of crown block equipment. According to the technical scheme, an early warning optoelectronic switch (62) is arranged at the positions of the first two...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU BAOMIN, DUAN JIEZHU, WANG XUEZHUANG, ZHANG SHUAI, LI QIANG
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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