TIE SHIFTER Russian patent published in 2002 - IPC

FIELD: railway transport. SUBSTANCE: invention relates to mechanization of track maintenance operation, namely to restoration of designed pitch of ties violated at transportation of packs of track skeletons before filling ballast boxes. Proposed tie shifter has self-propelled truck with working member mounted on its frame and equipped with drive including engine and working member energy supply system, and device control mechanism. System to supply energy from engine to working member is made in form of first drum coupled with engine by means of reduction gear with variable gear ratio and traction wire rope, two crossmembers installed at ends of rail length after fishplates. Traction wire rope is reeved off in said first drum its middle part, and is connected by ends with crossmembers one of which is furnished with tensioner in form of screw and but. Working member control mechanism is made in form of handwheel with second drum connected by flexible carriers with working member. Invention makes it possible to shift ties through any distance and to any side without stopping and fixing of device on rails. EFFECT: increased capacity. 2 cl, 6 dwg