WINCH Russian patent published in 1996 - IPC

FIELD: materials handling facilities. SUBSTANCE: winch has auxiliary drive electric motor whose shaft is connected by clutch with sun gear of planetary clutch. Sun gear is kinematically coupled through planet pinions installed on carrier, central wheel and twin tooth clutch with shaft of main drive electric motor. Carrier is hollow and is secured in support. Sun gear shaft made integral with sun gear is passed through space of carrier and is connected with auxiliary drive electric motor. Main and auxiliary drive electric motors are arranged coaxially and are installed at opposite sides of planetary clutch. Other end of main drive electric motor shaft is connected with high-speed shaft of spur reduction gear whose low-speed shaft is connected with drum. EFFECT: enhanced reliability of operation. 2 dwg