Crane beam mechanism for crane beam structure

The utility model belongs to the technical field of crane beams, particularly relates to a crane beam mechanism for a crane beam structure, and aims to solve the problems that in the prior art, a screw rod cannot be lubricated, the screw rod is rusted and seriously worn after being used for a long t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LUO WEINA, ZHAO SHIGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CRANES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES LUBRICATING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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