FLAW DETECTOR TRUCK FOR COMBINED MAGNETIC AND ULTRASONIC FLAW DETECTION OF RAIL TRACK

摘要

FIELD: railway transport; permanent way. SUBSTANCE: invention relates to means of NDT inspection of state of railway tracks. Proposed flaw detector truck includes frame resting on wheelsets and magnetic system with magnetizing coils. Magnetizing coils are arranged coaxially on truck wheelset axles with minimum radial and end face clearances by means of combination hydrodynamic supports with gas static load compensating system and charging of supports to prevent getting of abrasive dust in friction zone, and with prevention of supports from turning over by reactive tie-rods. Ultrasonic flaw detection system is arranged between wheelsets. EFFECT: increased resolving power, provision of reliable operation of flaw detector. 5 cl, 2 dwg