Method and machine for tamping and stabilizing a track

Details Method and machine for tamping and stabilizing a track Method and machine for tamping and stabilizing a track

1996-02-09

1997-06-24

Le, Mark T.

Railways

Track layers

Track raising car

104 2, 104 12, B61F 500

Patent

active

056409095

ABSTRACT:
A track is tamped and stabilized at a desired level by lifting the track to a temporary level, intermittently tamping the track and then advancing along the track in an operating direction in continuously repeated tamping cycles, and in continuously repeated stabilizing cycles parallel to and following the tamping cycles in the operating direction, intermittently stabilizing the tamped track at the desired level by imparting to the track horizontal vibrations extending in a direction perpendicular to the track, and applying to the vibrating track a vertical load at a value automatically controlled to rise to a maximum value required to lower the track to the desired level and then reduced to a value to relieve the load.

REFERENCES:
patent: 4046078 (1977-09-01), Theurer
patent: 4046079 (1977-09-01), Theurer
patent: 4430946 (1984-02-01), Theurer et al.
patent: 4643101 (1987-02-01), Theurer
patent: 4881467 (1989-11-01), Theurer
patent: 5127333 (1992-07-01), Theurer
patent: 5172635 (1992-12-01), Theurer
Railway Track and Structures, Mar. 1984, pp. 48, 49, 51, 52 "High-speed DTS `train tamps` track".

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