SKIP UNLOADING DEVICE Russian patent published in 2003 - IPC

FIELD: mining industry; mine hoists. SUBSTANCE: proposed device has gate which forms front wall of skip. Gate is provided with chutes arranged one after the other and installed for turning of hinges relative to braces. Chutes have pins connected with common rod frame each side of skip. Said rod is fitted in guides and is coupled with tie-rod connected by cable passed over sheave with stem installed for displacement in supports. Spring-loaded lock bar is installed on mine head-gear in skip unloading zone at each side to provide movement of steam upwards in process of skip lowering for displacing tie-rod chute rod down wards by means of said cable. Stops are secured on side walls of skip acting onto lock bars when skip is lowered after unloading to release corresponding stem at each side of skip and move tie and rod upwards by said cable. EFFECT: increased unloading capacity of device. 3 dwg