Patent ID: 9416509
Filing Date: 2016-08-16
CPC Classification: E01B,E01H

Claim Text:
1. A machine group for cleaning ballast of a track, the machine group comprising: a) a first machine having an endless clearing chain configured for picking up the ballast located underneath the track and a first screening plant for ballast cleaning; b) a second machine preceding said first machine with regard to a working direction, said second machine having a pick-up device for picking up cleaned ballast pre-deposited on the track; c) a first conveyor belt arrangement for passing the cleaned ballast from said pick-up device on to a discharge point, situated rearward of said clearing chain of said first machine; d) a third machine preceding said second machine, said third machine having two shoulder excavating devices for picking up the ballast situated in a shoulder region of a ballast bed, and a second screening plant for cleaning the picked-up ballast; e) a second conveyor belt arrangement for transporting ballast in a longitudinal direction of the machine, said second conveyor belt arrangement having a receiving end situated underneath said second screening plant and a discharge end positioned above said first conveyor belt arrangement.