FIELD: transport.
SUBSTANCE: invention relates to railway transport and can be used to control track state, namely for measuring dynamic deformability of rail bed and possible deviations of track. Proposed method comprises measuring track width with the help of optical pickups mounted on track measuring car and revealing defects of track attachment. Said optical pickups are mounted on track measuring car in three zones corresponding to different zones of load said car applies onto track in motion. Track width is consecutively measured by said optical pickups of every said zone. Two of said pickups are arranged on car ends and one is arranged between car running wheels. Track attachments defects are revealed allowing for measurements results provided by pickups of aforesaid three zones. All pickups are arranged in one plane. Optical pickups inquiry is performed at spacing making at least 25 cm in motion along track.
EFFECT: higher accuracy and reliability of control.
4 cl, 2 dwg
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