MINING MACHINE ACTUATOR Russian patent published in 2019 - IPC E21C31/02 E21C27/22 

FIELD: machine building.

SUBSTANCE: invention relates to mining machine actuator. Executive element of the mining machine includes a housing made in the form of a carrier with satellites of a planetary gear, a destructive working element installed on the housing by means of a unit of rotation with a gear rim of the planetary gear installed on it and a rotation drive fixed to the housing with a sun gear. Slewing bearing is used as rotation unit, outer ring of which is fixed on housing. Inner ring is made with gear rim of planetary gear. Number of crown teeth corresponds to conditions of assembly, coaxiality and proximity for applied planetary gear.

EFFECT: reduced dimensions, higher reliability.

1 cl, 2 dwg