Railways – Track layers – Tamper
Patent
1984-09-10
1986-03-18
Reese, Randolph A.
Railways
Track layers
Tamper
E01B 2716
Patent
active
045760950
ABSTRACT:
A ballast tamping machine comprising a machine frame movable along, and extending in the direction of, the track and having guides extending transversely to the machine frame and track, and a tamping tool unit comprising a frame associated with one of the rails and mounted for transverse displacement on the guides, the frame having two pairs of vertical guide columns, a power drive for transversely displacing the frame on the guides, a respective tamping tool carrier mounted on each pair of vertical guide columns for vertical adjustment with respect to the frame, a respective drive for vertically adjusting each one of the tamping tool carriers independently on the pair of vertical guide columns whereon the respective tamping tool carrier is mounted, a respective pair of tamping tools mounted on each one of the tamping tool carriers for immersion at the field side and the gage side, respectively, of the associated rail at a respective point of intersection between the rail and a track tie, a hydraulic drive for independently reciprocating each one of the tamping tools of each one of the pairs of tamping tools, and a respective drive for vibrating the tamping tools of each pair of tamping tools.
REFERENCES:
patent: 2872878 (1959-02-01), Plasser et al.
patent: 3357366 (1967-12-01), Plasser et al.
patent: 3653327 (1972-04-01), Sauterel
patent: 4130063 (1978-12-01), Theurer et al.
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Kelman Kurt
Reese Randolph A.
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