Double-speed-ratio speed reducer for coal mine well hoisting winch

The invention provides a double-speed-ratio speed reducer for a coal mine well hoisting winch, and relates to the technical field of speed reducers. The problems that helical teeth on a worm are prone to fracture due to overlarge fatigue in the using process, oil flushing of a gear cannot be achieve...

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Bibliographische Detailangaben
1. Verfasser:	MENG ZHONGZHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CAPSTANS CLEANING CLEANING IN GENERAL HAULING HOISTING HOISTS LIFTING PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES
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