Ballast cleaning method and machine

Details Ballast cleaning method and machine Ballast cleaning method and machine

1984-11-23

1986-09-16

Reese, Randolph A.

Railways

Track layers

104 9, 171 16, E01B 2710

Patent

active

046115412

ABSTRACT:
Railroad track ballast is cleaned with a continuously advancing ballast cleaning machine along a section of the track ahead of, at and behind an obstacle extending along a shoulder of the track while the machine continuously advances by detaching and removing a number of the ties between the two spaced apart undercarriages of the machine, laterally pivoting the excavating chain on the machine ahead of the obstacle to move the transverse ballast excavating chain stringer away from the obstacle towards the track axis, continuing excavating, receiving and delivering the ballast to the cleaning installation on the machine, cleaning the ballast, returning the cleaned component and removing the waste component while continuously advancing the machine, laterally pivoting the excavating chain behind the obstacle until the transverse excavating chain stringer is substantially centered with respect of the track axis, and continuously re-inserting and fastening the ties to the rails in said section of the track where the ties are supported on the cleaned ballast component.

REFERENCES:
patent: 3691957 (1972-09-01), Plasser et al.
patent: 3699894 (1972-10-01), Plasser et al.
patent: 3850251 (1974-11-01), Plasser et al.
patent: 4152989 (1979-05-01), Theurer et al.
patent: 4186804 (1980-02-01), Theurer et al.
patent: 4355687 (1982-10-01), Theurer et al.
patent: 4418625 (1983-12-01), Allmer

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