Ballast cleaning machine

E - Fixed Constructions – 01 – B

Patent

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104/17

E01B 27/06 (2006.01) E01B 27/10 (2006.01)

Patent

CA 1258792

BALLAST CLEANING MACHINE ABSTRACT OF THE DISCLOSURE A ballast cleaning machine comprises a chain for excavating the ballast and for conveying the excavated ballast to a discharge end, a screening installation arranged to receive the excavated ballast from the discharge end of the excavating and conveying chain, and to clean the received ballast by separating waste therefrom. The screening installation comprises a supporting frame and two sets of vibratory screens extending obliquely with respect to the track in the direction of elongation of the machine, the sets of screens being arranged sequentally in said direction and having a common inlet area receiving the ballast from the chain at a respective upper end of each set of screens, the two sets of screens having facing sides adjacent each other and the obliquely extending screens descending from the respective upper end whereby the screens of the two sets enclose an angle. A conveyor band arrangement extends in this direction at least partially below the screening installation, the conveyor band arrangement comprising at least one conveyor band for receiving cleaned ballast from the screening installation and at least one further conveyor band for receiving the waste from the screen installation.

465789

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