| 摘要 |
1. Railway ballast cleaning machine adapted to travel on rails, with a vibrating screen arrangement (15) for cleaning the ballast, preferably with two spaced superposed perforated bottoms (40, 41), and with belt conveyors (13, 14, 28, 29) for transporting the ballast and the waste, characterized in that the vibrating screen arrangement (15) comprises at least two vibrating screens (16, 17) mounted in series and independently of each other to the machine frame (1) and each being driven by its own drive means (48, 49), said drive means are adapted to be controlled independently of each other and to be cut on and cut off successively. |
