Continuously advancing track maintenance or rehabilitation machi

Details Continuously advancing track maintenance or rehabilitation machi Continuously advancing track maintenance or rehabilitation machi

1988-05-20

1989-11-21

Cherry, Johnny D.

Railways

Track layers

Track raising car

104 12, E01B 2717

Patent

active

048814679

ABSTRACT:
A continuous action track maintenance or rehabilitation machine comprises a first machine frame, a carrier frame arranged between the undercarriages supporting the first machine frame on the track, ballast tamping and track lifting and lining units vertically adjustably mounted on the carrier frame, and a drive linking the carrier frame to the first machine frame for longitudinally displacing the carrier frame with respect thereto. A second machine frame is linked to the rear end of the first machine frame, and a plow arrangement is vertically adjustably mounted on the second machine frame between the undercarriages thereof, the plow arrangement comprising a drive connecting the plow arrangement to the second machine frame for vertically adjusting the plow arrangement with respect thereto, a center plow for plowing ballast between the rails of the track, shoulder plows for plowing ballast laterally adjacent each one of the rails, and a drive for operating each one of the plows.

REFERENCES:
patent: 1552611 (1925-08-01), Jackson
patent: 3910195 (1975-10-01), Theurer
patent: 4046078 (1977-08-01), Theurer
patent: 4165693 (1979-08-01), Theurer
patent: 4257331 (1981-03-01), Theurer et al.
patent: 4627358 (1986-12-01), Theurer
patent: 4643101 (1987-02-01), Theurer
patent: 4703568 (1987-11-01), Theurer et al.
Eisenbahntechnik, No. 4, 1986, pp. 20/21, article: "The modern systems for track maintenance and track renewal".

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