Patent ID: 6058628
Filing Date: 2000-05-09
Classification: E01B

Abstract:
A machine for distributing ballast in a track bed, which comprises(a) a machine frame extending in a longitudinal direction and supported on the track by undercarriages for mobility in an operating direction,(b) a ballast plow adjustably mounted on the machine frame for distributing the ballast in the track bed,(c) drive means for adjusting the ballast plow relative to the machine frame,(d) a contactless sensor arranged ahead of the ballast plow in the operating direction for detecting an existing track bed profile extending perpendicularly to the longitudinal direction,(e) a position indicator for indicating a change in the position of the ballast plow relative to the machine frame, and(f) a control for the drive means comprising(1) a memory storing a desired track bed profile, and(2) the sensor and the position indicator being connected to the control.