AIR PERCUSSION MACHINE WITH INDEPENDENT ROTATION OF TOOL Russian patent published in 2002 - IPC

Abstract RU 2190743 C2

FIELD: mining industry, drilling of holes and blast holes. SUBSTANCE: in air percussion machine with independent rotation of tool stator, rotor and spindle are linked by helical gearing with teeth inclined towards direction of rotation, cam connection of spindle and axle box has trapezoidal inclination of side surfaces of cams and clearances along side contact surfaces of cams. Axial box and tool shank are joined with inclination towards side of rotation of longitudinal surfaces transmitting rotation. Butt surfaces of teeth of rotor are conical with angle of 0 deg 30' between generating line and radius. EFFECT: raised operational efficiency of machine. 10 dwg

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RU 2 190 743 C2

Authors

Nikolaev I.I.

Popov B.A.

Alekseenko V.I.

Boev V.I.

Dates

2002-10-10—Published

2000-06-26—Filed