Machine for rehabilitating a ballast bed

Details Machine for rehabilitating a ballast bed Machine for rehabilitating a ballast bed

1994-01-21

1995-10-10

Le, Mark T.

Railways

Track layers

104 71, 104 73, 104 12, E01B 2700

Patent

active

054561809

ABSTRACT:
A mobile machine for rehabilitating a ballast bed comprises an elongated machine frame supported by spaced apart undercarriages on the track for mobility in an operating direction. Mounted on the machine frame between the undercarriages are a vertically adjustable device for excavating ballast, a ballast discharge device arranged rearwardly of the ballast excavating device in the operating direction, the ballast discharge device having a discharge end, and a track lifting device and a vertically adjustable ballast tamping head arranged rearwardly of the discharge end of the ballast discharge device. The track lifting device comprises flanged rollers supporting the track lifting device on the track, and the ballast tamping head comprises reciprocable tamping tools for tamping the discharged ballast. The track lifting device and the ballast tamping head are mounted on a common carrier frame, and a longitudinal displacement drive displaces the common carrier frame in the longitudinal direction relative to the machine frame.

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patent: 5329856 (1994-07-01), Lorscheider

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