DETERMINATION OF FORCE OF WHEEL FLANGE IMPACT AGAINST RAIL HEAD IN RAILWAY CAR MOTION Russian patent published in 2013 - IPC E01B35/12 B61K9/00 

FIELD: transport.

SUBSTANCE: in compliance with proposed method, moment of wheel flange approach to rail head and time before their collision are fixed using frame rate fps to determine gap between wheel flange and rail head. Registered data are used to calculate railway car wheel displacement speed in transverse direction before collision. Time of contact in stroke of wheel flange at rail head from time whereat aforesaid gap value does not vary is defined. Defined said time of contact is used to calculate car wheel displacement speed in transverse direction is used to calculate railway car wheel displacement speed in transverse direction at the moment of collision. Force of stroke of wheel flange at rail is defined from relationship: product of difference in speeds of displacement before and at stroke at unsprung mass of track and rail referenced to time of contact between wheel flange and rail head at collision.

EFFECT: definition to determine force of stroke and to forecast points of rail side wear nucleation.

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