A TRACK TAMPING MACHINE FOR TAMPING AND BALLASTING A TRACK

摘要

A track maintenance machine (1) for tamping and ballasting a track (2) is provided with a first and a second machine frame (3,4) pivotally joined together by a pivotal connection (5) and designed for mobility on the track by means of on-track undercarriages (6,19). A tamping unit (7) adapted for vertical adjustment by means of drives (9) and a track lifting and lining unit (8) preceding it with respect to a working direction for tamping are associated with the first machine frame (3), while a ballast plough (21) for ballasting the track and a sweeping broom (22) are associated with the second machine frame (4). The sweeping broom (22) is arranged preceding the ballast plough (21) with respect to the said working direction.