Railroad track curve lining apparatus and method

Details Railroad track curve lining apparatus and method Railroad track curve lining apparatus and method

1988-07-27

1991-04-30

Lall, Parshotam S.

Boots, shoes, and leggings

36457102, 33287, 33 1Q, 104 72, 104 2, 246122R, 246107, G06F 1520, E01B 3510

Patent

active

050124137

ABSTRACT:
The specification discloses an improved railroad track curve liner for more accurately locating track transition points to more accurately calculate an improved track configuration as a funcion of the existing track configuration. The curve liner is mounted on a track tamper. During a first pass over the track, the curve liner acquires track ordinate information. After calculating the ideal track configuration, the tamper laterally shifts the track to the ideal configuration in a second pass over the track. The improved track configuration is calculated in recognition that the ordinate graph is not linear in all areas--particularly at tract transition points.

REFERENCES:
patent: 3547038 (1970-12-01), Strasser
patent: 4173073 (1979-11-01), Fukazawa et al.
patent: 4367681 (1983-01-01), Stewart et al.
patent: 4393691 (1983-07-01), Koehne
patent: 4428296 (1984-01-01), Scheuchzer et al.
patent: 4574704 (1986-03-01), Cicin-Sain
patent: 4724653 (1988-02-01), Buhler
patent: 4880190 (1989-11-01), Austell et al.
von Beckman, "How Automated Track-Lining and Raising Systems Work . . . The Tamper System", Railway Track and Structures, p. 24, (Jan. 1977).
Bradshaw, "How Automated Track-Lining and Raising Systems Work . . . The Jackson System", Railway Track and Structures, p. 25 (Jul. 1976).

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