Ballast cleaning machine

Details Ballast cleaning machine Ballast cleaning machine

1983-01-25

1985-07-23

Johnson, Richard J.

Unearthing plants or buried objects

Railroad ballast removal and assorting or separating

37107, 198861, E01B 2700

Patent

active

045304033

ABSTRACT:
A mobile ballast cleaning machine comprising an endless ballast conveying chain movable in a conveying direction, the chain having arranged sequentially in the conveying direction a transverse chain section for excavating the ballast, an upwardly extending elongated chain section for conveying the excavated ballast, the upwardly extending elongated chain section being supported in a guide of channel-shaped cross section and having a bottom defining a plurality of ports for pre-screening the conveyed ballast to separate waste therefrom falling through the ports in the bottom, and a descending elongated chain section leading to the transverse chain section. A vibratory screen is arranged to receive the pre-screened ballast from the upwardly extending elongated chain section to separate residual waste therefrom, a cleaned ballast component remaining on the screening means and the residual waste falling therethrough. A conveyor conveys the waste away.

REFERENCES:
patent: 1272849 (1918-07-01), Pratt
patent: 2142208 (1939-01-01), Protzeller
patent: 2196880 (1940-04-01), Voorhis et al.
patent: 3356157 (1967-12-01), Plasser et al.
patent: 4014389 (1977-03-01), Theurer et al.

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