Two machine arrangement for track tamping in switches having tra

Details Two machine arrangement for track tamping in switches having tra Two machine arrangement for track tamping in switches having tra

1994-01-05

1995-01-10

Oberleitner, Robert J.

Railways

Track layers

Track raising car

104 12, E01B 2717, E01B 2711

Patent

active

053797000

ABSTRACT:
A mobile track tamping machine arrangement comprises a first machine and a second machine, each machine comprising a self-propelled elongated machine frame supported on undercarriages running on the track, the first machine preceding the second machine in the operating direction and the machine frame of the first machine being longer than that of the second machine. Vertically adjustable track tamping tool units are mounted on each machine frame, the tamping tool units mounted on the longer machine frame being transversely adjustable sideways beyond the longer machine frame, and a detachable coupling connects facing ends of the machine frames. The arrangement further comprises a track leveling and lining unit operable to correct the track position, a leveling and lining reference system controlling the operation of the track leveling and lining unit, a vertically and transversely adjustable auxiliary rail lifting device mounted on the longer machine frame for engaging a rail of a branch track adjacent the track, a respective operator's cab mounted on the longer machine frame immediately ahead of, and behinds the transversely adjustable tamping tool unit, and an operator's cab at an end of each machine opposite to the facing ends of the machine frames.

REFERENCES:
patent: 3494297 (1970-02-01), Plasser et al.
patent: 3744428 (1973-07-01), Plasser et al.
patent: 4905604 (1990-03-01), Theurer
patent: 4947757 (1990-08-01), Theurer
patent: 5007349 (1991-07-01), Theurer
patent: 5031542 (1991-04-01), Theurer

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