RAIL GRINDER Russian patent published in 1997 - IPC

FIELD: railway transport; maintenance and repair of track rails. SUBSTANCE: device 1 has set frame 5 resting through support rollers 10 on both rails 2, 3 of track, bearing frame 6 mounted at one side of set frame by means of axle 21 longitudinal relative to rail track 4. Mounted on bearing frame 6 are grinding set 26 with grinding member 31, drive 32 providing turning of bearing frame 5 around axle 21, and motor 33 secured on set frame 5 at side opposite to bearing frame 6. Rail grinder has device compensating lengths 14 with pressure member 17 to decrease distance in cross direction relative to rail track 4 between bearing frame 6 or longitudinal axle 21 and support rollers 10 arranged opposite to grinding set 26 and provided pressing of grading set 26, counteracting the decreasing of distance, to inner edge of head of rail under grinding. EFFECT: improved reliability of operation. 14 cl, 7 dwg