Portal crane limit safety device

The utility model relates to a portal crane limit safety device, and belongs to the technical field of ship repair and construction. The portal crane limit safety device comprises a travelling mechanism (1), wherein the middle part of the travelling mechanism (1) is provided with an installation bra...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN ZHE, DU QINGWEI, XIE TUANJIE, ZHOU WEIGUO
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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