FEED MECHANISM OF STOPING MACHINE Russian patent published in 1994 - IPC

FIELD: mining. SUBSTANCE: feed mechanism has rack, pin wheels and drives for rotation of pin wheels. Each drive includes hydraulic cylinder with body, rack, intermediate gear, two bevel pinions and two overrunning clutches. Drive rack is connected with hydraulic cylinder rod. Intermediate gear is installed for interaction with drive rack and kinematically connected through bevel pinion and overrunning clutches with pin wheel. One of bevel pinions is rigidly connected with intermediate gear and with driving member of one of overrunning clutches and kinematically connected through idle hear with second bevel pinion. The latter is rigidly connected with driving member of second overrunning clutch. Driving member of each overrunning clutch is attached to shaft of respective pin wheel. EFFECT: higher efficiency. 1 dwg