RAILWAY SWITCH RESTORATION METHOD Russian patent published in 2004 - IPC

FIELD: railway transport. SUBSTANCE: according to invention, gouging of torque to be restored is carried out at angle α: relative to horizon: deg. , where δ_max is maximum depth of tongue spalling, mm; l is distance from end face of tongue in its root to section corresponding to maximum depth of spalling. Bending of root cover plates is done at the same angle, and thickness of compensating plates on each bar is provided to comply with equality h = x•tgα, mm where x is distance from end face of tongue in root to axis of corresponding bar. EFFECT: increased load-bearing capacity and reserves of metal for wear in tongues of restored switches. 3 dwg