Patent ID: 6477960
Filing Date: 2002-11-12
Classification: E01B

Abstract:
A machine for removing an old track and laying a new track composed of rails fastened to ties supported on ballast, comprising:(a) a machine frame extending in a longitudinal direction and supported on the track by undercarriages for mobility in an operating direction; (b) a tie lifting device, mounted on the machine frame between the undercarriages, for raising old ties; (c) a tie laying device, mounted on the machine frame between the undercarriages, for laying new ties; (d) a tie conveyor unit extending in the longitudinal direction and including a first conveying section, having a tie receiving end positioned ahead of the tie laying device in the operating direction and a transfer end positioned behind the tie laying device, and a second conveying section, positioned underneath the first conveying section, for receiving ties from the transfer end, wherein the second conveying section has a delivery end positioned immediately behind the tie laying device in the operating direction; (e) a transfer conveyor belt positioned behind the tie laying device in the operating direction and operatively connected with the first and second conveying sections for forming a tie transfer site; and (f) a drive for vertical adjustment of the transfer conveyor belt between the first conveying section and the second conveying section, and a rotation drive for actuation of the transfer conveyor belt for tie transport in the operating direction or in a direction opposite to the operating direction, as desired.