HOISTING MACHINERY Russian patent published in 1999 - IPC

FIELD: mining industry. SUBSTANCE: hoisting machinery together with a disk-type electric motor is mounted on one of the guide rails of the hoist box or counterweight. The guide rail makes up the structural part, which reinforces the mechanical strength of the hoisting machinery. Vertical forces applied to the traction pulley by hoist cables pass to the guide rail through the center of bearing rotation. The hoisting machinery is furnished with a vibration dampening system that absorbs vibrations and oscillations. EFFECT: smaller weight and area required for location in mine. 10 cl, 7 dwg