Track tamping machine, machine arrangement and method

Details Track tamping machine, machine arrangement and method Track tamping machine, machine arrangement and method

1996-02-21

1997-04-15

Morano, S. Joseph

Railways

Track layers

Tamper

104 2, 104 72, E01B 2717

Patent

active

056199295

ABSTRACT:
A mobile track tamping machine for simultaneously tamping ballast under a plurality of track ties comprises a machine frame extending in a longitudinal direction and supported by undercarriages on the track for movement in an operating direction. Two tamping tool assemblies are sequentially arranged in the longitudinal direction, each tamping tool assembly being capable of simultaneously tamping ballast under at least two track ties and comprising two tamping tools adjacent each other in the longitudinal direction and reciprocable from an initial position to a tamping position, the two tamping tools defining the distance between the track ties in the initial position. A reciprocating drive is connected to the two tamping tools, and the tamping tools of the two tamping tool assemblies adjacent each other in the longitudinal direction are spaced a distance corresponding to the distance between the track ties. The machine further comprises a track lifting and lining unit, and a reference system for controlling a correction of the position of the track.

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patent: 4881467 (1989-11-01), Theurer
patent: 5379700 (1995-01-01), Theurer

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