Track leveling method

Details Track leveling method Track leveling method

1983-02-08

1985-07-16

Reese, Randolph A.

Railways

Track layers

Track raising car

104 11, 104 12, E01B 2904, E01B 2702

Patent

active

045289123

ABSTRACT:
In a method for automatically leveling a track comprised of two rails fastened to a succession of ties supported on a ballast bed to establish a desired track level, wherein successive track sections including a respective one of the ties are consecutively raised, additional track bed material is blown under each one of the raised ties to fill a gap between the ballast bed and each raised tie, and the raised track sections are lowered after the additional track bed material has been blown under the raised ties, the steps of measuring the existing track level at each tie to be raised and obtaining a corresponding parameter, establishing the difference between the parameter corresponding to the existing track level and a parameter corresponding to the desired track level, raising each successive track section above the desired track level, and controlling the amount of the additional track bed material blown under each raised tie at a point of intersection between the tie and a respective one of the rails in proportion to the established difference between the parameters corresponding to the existing and desired track levels.

REFERENCES:
patent: 3552319 (1971-01-01), Plasser et al.
patent: 3799058 (1974-03-01), Plasser et al.
patent: 3919943 (1975-11-01), Plasser et al.
patent: 3949678 (1976-04-01), Theurer

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