METHOD OF CONTROLLING RAILWAY TRACK SKELETON DISPLACEMENT Russian patent published in 2013 - IPC B61K9/08 

FIELD: transport.

SUBSTANCE: invention relates to control over the state of track, particularly, to control over displacement of welded railway rail skeleton section displacement. Proposed method consists in defining the position of markers on rail skeleton relative to fixed objects (reference sleepers). Welded butts are used as said markers. Relative arrangement of selected welded butt with respect to selected reference sleeper is defined by the data of flaw detector car magnetic control channel so that signals from, say, bird pad and welded but can be unambiguously identified on defectogram. Besides their relative spatial position can be unambiguously identified by the data received from track transducer (coordinate meter) of flaw detector car. Magnitude of displacement is defined by comparing current data with that obtained before.

EFFECT: instrumental control over displacement.

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