| 摘要 |
A track working machine for the controlled lowering of a track comprises a machine frame, at least one undercarriage supporting the machine frame on the track for mobility in an operating direction, a track stabilization unit for compacting the ballast whereby the track is lowered, the track stabilization unit being vertically adjustably mounted on the machine frame and including rail-engaging roller tools subjected to substantially horizontal vibrations extending transversely to the machine frame and the track, and a broom vertically adjustably mounted on the machine frame ahead of the track stabilization unit in the operating direction, the broom being rotatable about an axis extending transversely to the machine frame and the track.
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