| 摘要 |
FIELD: railway transport; repair of permanent way, loosening of ballast before cutting out. SUBSTANCE: device mounted on track vehicle has frame, vertical guides secured on frame and ballast loosening member installed for travel along guides under action of drive installed on crossmember also mounted for travel along guides under action of drive installed on working member frame on which vibration drive and rods with end members coupled with vibration drive are mounted. Prior to operation, working member is set by crossmember drive at definite height above ties and in process of operation working member is moved by its drive along guides and is dipped into ballast of ballast box and then again lifted to preset height. EFFECT: enlarged operating capabilities. |
