WINCH Russian patent published in 1997 - IPC

FIELD: hoisting operations; may be used for self-recovery of trucks. SUBSTANCE: winch has body 1 with rope guide and trunnion of rope guide 10.. The drum is kinematically linked with eccentric planetary drive through cardan joint. The eccentric is made in the form of oblique crank and the drive shaft rotates in radial thrust roller bearing, in which the generatrix of immovable race cone is situated in parallel with diametrically opposite generatrix of pitch cones of immovable gear and beveled eccentric satellite provided with precession shaft with flat disk-shaped axle of cardan joint formed by two L-shaped semi-cylindrical inserts. The inserts are disposed in overrunning clutch of the drum having riffled gradual function surface and associated with tapered flange. EFFECT: reliable and efficient operation of winch. 3, 2 dwg