DEVICE FOR TREATMENT OF CRUSHED STONE OF RAIL TRACK Russian patent published in 1997 - IPC

FIELD: railway transport; maintenance and repair of permanent way; cutting out crushed stone from under track skeleton. SUBSTANCE: device has frame resting on bogies, device for suction of crushed atone with suction branch pipe installed on frame for movement along vertical and horizontal by means of drives, device for treatment of crushed stone installed in zone of suction device. Crushed stone treatment device has driven chain conveyor for cutting out crushed stone from under track skeleton and delivering it to suction branch pipe. Branch pipe is installed for movement in vertical and horizontal direction by means of individual drive. Suction branch pipe and chain conveyor are arranged at a distance from each other along device. Crushed stone treatment device consists of beam which is arranged perpendicularly relative to longitudinal axis of device when device operates. It has roller secured on beam to direct conveyor chain. Crushed stone suction device has vacuum plant connected through flexible hose with suction branch pipe. EFFECT: improved quality of repair. 8 cl, 6 dwg