| 摘要 |
1485724 Points operating and locking VEREINIGTE OSTERREICHISCHE EISENUND STAHLWERKE-ALPINE MONTAN AG 10 June 1975 [15 Oct 1974] 25778/75 Heading B7N [Also in Division E1] A railway switch comprises a frog tip 6 and a pair of wing rails 9, 10 pivotally arranged to allow alternate contact of either one of said wing rails with the frog tip, each wing rail when contacting the frog tip being supported against lateral movement by rods 26, 27, displaceable longitudinally of the wing rails in dependence on their movement, being guided by members 23 mounted on the sleepers, and co-operating with abutments 18, 19 protruding from the wing rails 9, 10. The supporting rods 26, 27 have recesses 28 to enable the freeing of the unsupported wing rail, the recesses 28 being longer than the width of the abutments 18, 19. The supporting rods 26, 27 are coupled to a push rod 29 by crank levers 55, 57 mounted on stationary bearing 40, 41 and adjustable members 58, 59. The crank levers have bifurcated ends 46 which engage bolt 45 on the push rod 2d. To ensure that the wing rails 9, 10 and supporting rods 26, 27 have been correctly operated an indicating rod 48 is connected to both the wing rails 9, 10 and the supporting rod cranks 55, 57 by pivoted cross-bars 49, 50. |
