Arrangement and method for producing a protective layer on the s

Details Arrangement and method for producing a protective layer on the s Arrangement and method for producing a protective layer on the s

1992-11-02

1993-11-02

Oberleitner, Robert J.

Railways

Track layers

104 71, 37104, 171 16, E01B 2706

Patent

active

052575802

ABSTRACT:
A mobile track working machine arrangement comprises two consecutively arranged, independent track working vehicles, each track working vehicle comprising an elongated two-part machine frame, the two parts of the machine frame being linked by a pivot for pivoting of one part in relation to the other part about a horizontal axis extending perpendicularly to the track, and undercarriages supporting the machine frame on the track. A ballast excavating device is vertically adjustably mounted on the machine frame of a first track working vehicle for excavating the ballast supporting the track whereby the subgrade is exposed, and a conveyor arrangement is mounted on the machine frame of the first track working vehicle for removing the excavated ballast. A device for planing and compacting a protective layer of sand on the subgrade is mounted on the machine frame of the second track working vehicles. A track lifting device is mounted on each machine frame, each track lifting device comprising lifting rollers rollingly engaging the track rails in permanent frictional contact therewith, and a device for sweeping sand from the ties into adjacent cribs is mounted on the machine frame of at least one of the vehicles.

REFERENCES:
patent: 3872929 (1975-03-01), Teurer et al.
patent: 4266615 (1981-05-01), Theurer et al.
patent: 4357874 (1982-11-01), Theurer
patent: 4400897 (1983-08-01), Scheuchzer et al.
patent: 4479439 (1984-10-01), Theurer et al.
patent: 4576538 (1986-03-01), Theurer et al.
patent: 4703568 (1987-11-01), Theurer et al.
patent: 5172635 (1992-12-01), Theurer
International Eisenbahnveband, of Jan. 1, 1990, UIC-Kodex 722 E, p. 11.

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