ROLLER DRILLING MACHINE Russian patent published in 2016 - IPC E21B7/02 E21B3/02 

FIELD: mining.

SUBSTANCE: invention relates to mining industry, particularly to machines for rock drilling. Machine includes a mast, a drilling head with a drilling tool, a cable block and tackle system with hydraulic cylinder feed hydraulic cylinder feed drive, a hydraulic control valve with control chambers lifting and lowering drilling assembly connected air line with drilling tool compressor connected with hydraulic cylinder feed cable block and tackle system oil pump station with sections of supply of drilling column, axial force and air pressure sensors connected with hydraulic cylinder feed and air line, vibration and current sensors. Drilling head is equipped with electromagnetic toothed coupling having a circular section of magnetic core with stator winding coils laid in them, which envelope conical surface of rotor of drilling column so that their axes are aligned to form working air gap, which provides electromagnetic repulsion of rotor and stator windings, excluding mechanical contact between surfaces of external cone and rotor with engagement with stator housing.

EFFECT: higher efficiency of drilling machine.

1 cl, 2 dwg