CUTTER-LOADER Russian patent published in 2017 - IPC E21C27/24 

FIELD: mining.

SUBSTANCE: mining combine includes chassis, frame, at least one actuator, an upper bump device and a lower demolition device. The lower demolition device consists of two cutting units. Each of the units contains a support in which a gearbox is provided, equipped with a drive. On the output shaft of the reducer rigid - end and hinged - central cutting drums are fixed, with the possibility of transferring the torque. The central cutting drums are mounted coaxially on the common shaft.

EFFECT: power reduction of drive hubs.

3 dwg