Process and device for the automatic recognition and detection of discontinuities and irregularities in the rails of railroad tracks

摘要

PCT No. PCT/FR85/00057 Sec. 371 Date Nov. 22, 1985 Sec. 102(e) Date Nov. 22, 1985 PCT Filed Mar. 22, 1985 PCT Pub. No. WO85/04485 PCT Pub. Date Oct. 10, 1985.Apparatus for the inspection of track rails. The device comprises a truck (4) capable of displacement on the track, and comprises at least two ultrasound emitter and/or receiver probes (V, O1, O2) emitting in different directions, applied against the rolling plane of the rail (1) and at least an ultrasound prove (SA) provided at the vicinity of the rail, laterally offset, emitting an ultrasound beam to the side of the rail web. Application particularly to the detection and recognition of rail fish-plates.