RAILWAY TRACK Russian patent published in 1997 - IPC

FIELD: subway railway track building. SUBSTANCE: railway track has ballast pocket mounted in trough 1 of subway tunnel using vibration insulators 8. Links of rail-sleeper grillwork 2 are placed in the ballast pocket. Through vertical passages for installing vibration insulators 8 are placed in lateral walls of the ballast pocket at regular intervals. Recesses 7 to install vibration insulators 8 are originated in points of joining the lateral wall and ballast pocket base. Each vibration insulator 8 is installed in the recess 7 onto plate 6 pressed up from below by rest 11. As this takes place layers are installed in the intervals between the recesses in the gaps between the ballast pocket base and trough base. Springy members 12 are pushed apart between lateral walls of the ballast pocket and trough walls. EFFECT: easy in installing. 3 dwg