E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 27/16 (2006.01) E01B 27/17 (2006.01)
Patent
CA 2190909
A tamping unit (7) for track tamping machines for tamping a group (29) of adjacent sleepers of a track (3) is equipped with tool carriers (15,16,17), vertically adjustable independently of one another and arranged one following the other in the longitudinal direction of the track, and tamping tools (22-25) mounted thereon and having tamping tines (26) for penetration into the ballast, the tamping tools being squeezable towards one another in the longitudinal direction of the track by means of a squeeze drive (28) for tamping a sleeper. A first tool carrier (15) comprises three tamping tools (23-25) arranged one following the other in the longitudinal direction of the machine, while a second tool carrier (16) has two tamping tools (22) arranged one following the other in the longitudinal direction of the machine. At least the squeeze drive (28) of the tamping tool (22) mounted on the second tool carrier (16) adjacent to the first tool carrier (15) is designed for a first squeezing motion of the two tamping tools (22) towards one another and for a second squeezing motion away from one another.
Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.b.h.
Riches Mckenzie & Herbert Llp
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