Patent ID: 6422150
Filing Date: 2002-07-23
Classification: E01B

Abstract:
A machine for renewing a track composed of rails fastened to ties supported on ballast, which comprises(a) a machine frame extending in a longitudinal direction and supported on the track for mobility in an operating direction, the machine frame defining a machine end with regard to the longitudinal direction; (b) a tie lifting device, mounted on the machine frame, for picking up old ties; (c) a ballast clearing device for taking up ballast, arranged following the tie lifting device in the operating direction and having a discharge end; (d) first conveyor means, provided on the machine frame behind the ballast clearing device, for transporting ballast to the machine end; (e) a ballast chute arranged at the machine end; (f) a tie laying device, mounted on the machine frame, for laying new ties; (g) a ballast planing apparatus mounted on the machine frame immediately ahead of the tie laying device in the operating direction; and (h) second conveyor means mounted on the machine frame and extending in the longitudinal direction and having a receiving end positioned at the machine end and a discharge end arranged above the ballast planing apparatus.