RAIL HEAD PROFILE GRINDER Russian patent published in 2003 - IPC

FIELD: railway transport. SUBSTANCE: invention is designed for eliminating defects in welds by grinding. It can be used in mechanical engineering, construction and running repairs of railway tracks. Proposed device contains grinder consisting of frame running along one rail of rail track. Frame carries abrasive wheel, its drive and tracing device feed mechanism and tracing rollers. Tracing device is secured on frame and it includes housing with turning angle detent by transfer points of rail head profile and eccentric clamp through which guide bow passes. Said bow is provided with holes for said detent used in spaces between said holes and is stationary connected with handle and, through handle, with horizontal displacement limiter made in form of flanges. Frame and tracing device are hinge-connected with horizontal displacement limiter for turning relative to said limiter. Said tracing rollers are made barrel-shaped and provided with angle tilting, and said feed mechanism has vernier. EFFECT: simplified design, improved reliability, enlarged operating capabilities. 2 cl, 6 dwg