Conveyor chain arrangement for ballast cleaning machine

Details Conveyor chain arrangement for ballast cleaning machine Conveyor chain arrangement for ballast cleaning machine

1992-10-20

1993-12-21

Reese, Randolph A.

Excavating

Railway graders

171 16, 104 2, E01B 2704

Patent

active

052711668

ABSTRACT:
A conveyor chain arrangement for a track maintenance machine is mounted on the machine frame for receiving and conveying ballast and comprises two separate and independently operable ballast receiving and conveying units at opposite sides of the machine frame extending alongside the track. Each unit comprises a vertically and transversely adjustable chain track extending longitudinally in an oblique plane with respect to the track plane adjacent a respective machine frame side, each chain track consisting of two track sections. Drives are connected to the chain track for vertically and transversely adjusting the chain track, and an endless ballast excavating and conveying chain is guided in the chain track, and comprises a chain drive for the chain. A ballast excavating beam has one end pivotally connected to a lower end of the chain track for pivoting about a vertical axis in a horizontal plane underneath and parallel to the track plane during operation whereby the effective width of ballast excavation may be changed, an upper end of the chain track providing a ballast discharge station is spaced from the ballast excavating beam in a longitudinal extension of the machine frame and the lower chain track end forms a bent transition to the ballast excavating beam. The bent transition has an end leading and extending parallel to the track plane.

REFERENCES:
patent: 2886904 (1959-05-01), Kershaw
patent: 3850251 (1974-11-01), Plasser et al.
patent: 4355687 (1982-10-01), Theurer et al.
patent: 4614238 (1986-09-01), Theurer et al.
patent: 4882860 (1990-03-01), Whitaker, Jr.

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