SWITCHING UNIT OF RAILWAY SWITCH Russian patent published in 2000 - IPC

FIELD: railway construction technology. SUBSTANCE: switching unit has two pairs of movable rails installed on metal bridges at points of their joining with adjacent rails with possibility of turning of each pair of movable rails around their anchor bush through angle which is needed for switching of moving railway train from straight line to branch line or vice versa. Also provided is power drive for displacing pairs of movable rails. Anchor bushes are provided with studs. Ends of studs are seated in holes of corresponding configuration which are made in metal bridges. Cover plates 37 are installed on ends of adjoining rails at points of their coupling with movable rails. Cover plates embrace journals of these rails and are provided with studs 39 seated in holes 27 of metal bridges. Aforesaid embodiment of switching unit is aimed at reducing displacement of rails so as to prevent wedging of movable ends of rails. EFFECT: higher efficiency. 6 dwg