WINCH HYDRAULIC DRIVE Russian patent published in 1997 - IPC

Abstract RU 2085472 C1

FIELD: mechanical engineering; load lifting facilities; winches with hydraulic drive. SUBSTANCE: winch hydraulic drive has hydraulic cylinders whose rods are coupled with drum mounted on winch frame 1, and distributor with slide valve 8. Slide valve turning mechanism has Geneva wheel 9 secured on slide valve axle and engaging with change-over rollers 10 secured on drum rim. Rod and piston spaces of hydraulic cylinders are connected by hydraulic line with pressure line through check valves. EFFECT: enlarged operating capabilities and reliability. 3 dwg

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RU 2 085 472 C1

Authors

Galkin V.N.

Emel'Janov V.P.

Kosterin L.S.

Dmitrin V.P.

Dates

1997-07-27—Published

1995-03-31—Filed