PULLING WINCH Russian patent published in 2004 - IPC

FIELD: mechanical engineering; lifting facilities. SUBSTANCE: proposed winch contains drum, two hydraulic motors installed coaxially at end faces of drum and two similar planetary gearings. Each gearing includes sun gear secured on shaft connected by clutch with shaft of corresponding hydraulic motor. Ring gear is connected with drum housing. Planet pinions of planetary gearing are made double-rim, one of rims being in meshing with corresponding sun gears and others are in meshing with ring gear of drum housing. Planet pinions are connected with common stopped carrier rigidly connected with supports and housing of hydraulic motors. Housing of drum rests on said carrier through end face covers and bearings. EFFECT: improved reliability. 1 dwg