Machine for aspirating ballast from a ballast bed

Details Machine for aspirating ballast from a ballast bed Machine for aspirating ballast from a ballast bed

1994-01-21

1995-10-10

Oberleitner, Robert J.

Railways

Track layers

171 16, 37104, 153001, E01B 2710

Patent

active

054561817

ABSTRACT:
A mobile machine for aspirating ballast from a ballast bed comprises a machine frame extending in a longitudinal direction and supported by undercarriages running on a track. Mounted on the machine frame are a ballast aspirating device comprising a short suction inlet pipe defining a suction inlet port, and a ballast excavating device vertically adjustable by drive means linking the ballast excavating device to the machine frame. The ballast excavating device comprises a substantially horizontally extending beam having opposite ends, a guide roller mounted on each beam end and an endless ballast excavating chain trained over the guide rollers, the beam being pivotal about a vertical axis at one of the beam ends and arranged in an operating position laterally adjacent one of the tie ends at one of the ballast bed shoulders and the suction inlet port being vertically adjustable in said operating position.

REFERENCES:
patent: 4355687 (1982-10-01), Theurer et al.
patent: 4660248 (1987-04-01), Young
patent: 4938239 (1990-07-01), Theurer et al.
patent: 5172636 (1992-12-01), Theurer et al.

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