Ballast cleaning machine

Details Ballast cleaning machine Ballast cleaning machine

1994-12-13

1996-09-10

Melius, Terry Lee

Unearthing plants or buried objects

Railroad ballast removal and assorting or separating

37104, 104 2, E01B 2710

Patent

active

055536743

ABSTRACT:
A ballast cleaning machine comprises a machine frame supported on undercarriages running on the track and carrying a ballast screening arrangement, a ballast excavating device including a revolvable excavating chain arranged to deliver excavated ballast to the screening arrangement for cleaning the excavated ballast, a conveyor arrangement disposed to receive the cleaned ballast from the screening arrangement and to discharge the cleaned ballast for support of the track, a laterally and vertically adjustable suction pipe having a suction opening at one end for receiving ballast, and a vacuum device connected to an opposite end of the suction pipe for applying sub-atmospheric pressure to the suction opening and thereby to suck up ballast through the suction pipe.

REFERENCES:
patent: 1329554 (1920-02-01), Sims
patent: 1483674 (1924-02-01), Owen
patent: 2025543 (1935-12-01), McWilliams et al.
patent: 2028688 (1936-01-01), Rugg et al.
patent: 4450771 (1984-05-01), Theurer et al.
patent: 5094018 (1992-03-01), Theurer et al.
patent: 5394944 (1995-03-01), Theurer et al.

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