Ballast planing machine

Details Ballast planing machine Ballast planing machine

1994-02-28

1995-09-26

Arola, Dave W.

Excavating

Railway graders

171 16, 104 2, F02F 522

Patent

active

054525284

ABSTRACT:
A ballast planing machine includes a machine frame supported by undercarriages for movement in an operating direction along a track and comprised of a leading carrier frame which supports a vertically adjustable ballast plow arrangement and a further carrier frame which is linked to the leading carrier frame and supports an operator's cabin and a vertically adjustable, rotary sweeping broom. Mounted to the further carrier frame is also a negative pressure generator of a suction unit for removing excess ballast during movement of the machine frame in operating direction. The suction unit includes a suction tube which communicates with the negative pressure generator and extends in longitudinal direction beyond the machine frame to terminate in a suction nozzle which projects beyond the rearward end of the machine frame. The suction nozzle is operatively connected to a control unit which is installed in the operator's cabin and controls a movement of the suction nozzle between an idle non-operational position and an operational position.

REFERENCES:
patent: 3957000 (1976-05-01), Plasser et al.
patent: 4342165 (1982-08-01), Theurer et al.
patent: 4706395 (1987-11-01), Cicin-Sain
patent: 4913240 (1990-04-01), Mancini
patent: 5046270 (1991-09-01), Theurer et al.
patent: 5084989 (1992-02-01), Theurer et al.
patent: 5094018 (1992-03-01), Theurer et al.
patent: 5101733 (1992-04-01), Mohr

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