Ballast tamping assembly

Details Ballast tamping assembly Ballast tamping assembly

1998-09-14

2000-05-30

Morano, S. Joseph

Railways

Track layers

Tamper

104 10, E01B 2716

Patent

active

060679107

ABSTRACT:
An assembly for tamping ballast supporting a track having two rails fastened to ties comprises a vertically adjustable tamping tool carrier and a pair of tamping tools mounted on the carrier for reciprocation towards and away from one another in the longitudinal direction of the track, each of the tamping tools being pivotal about a swivel axis extending in the direction of elongation of the ties and including at least one tamping pick arranged at the lower end of the tamping tool and intended for immersion in the ballast upon vertical adjustment of the tamping tool carrier, the tamping pick being mounted on the tamping tool for pivoting about a pivot axis extending perpendicularly to the swivel axis. A pivot drive designed as a hydraulic cylinder is connected to the tamping pick for pivoting the same in the direction of elongation of the ties, and an auxiliary drive is connected to the pivot drive, the pivot drive and the auxiliary drive each being linked to a respective one of two hinging points associated with the tamping tool and the tamping pick, respectively. A squeezing drive is provided for reciprocating the tamping tools in the longitudinal direction.

REFERENCES:
patent: 4537135 (1985-08-01), Theurer
patent: 5269226 (1993-12-01), Theurer et al.

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