Apparatus for placing a carriage on a track

Details Apparatus for placing a carriage on a track Apparatus for placing a carriage on a track

1991-07-22

1992-05-12

Graham, Matthew C.

Railways

Track layers

104263, 73146, 335231, G01B 520

Patent

active

051117495

ABSTRACT:
An apparatus for placing a carriage linked to a frame of a track working machine on a track comprises a rail sensing element mounted on the carriage for sensing a respective track rail, the rail sensing element being positioned in the radial plane of the flanged wheel when the carriage is placed on the track and emitting a control signal in this position. A hydraulic drive for displacing the carriage transversely with respect to the track links the carriage to the track working machine frame. In response to the control signal, the operation of the hydraulic drive and the transverse displacement of the carriage is interrupted.

REFERENCES:
patent: 3808693 (1974-05-01), Plasser et al.
patent: 4391134 (1983-07-01), Theurer et al.
patent: 4654973 (1987-04-01), Worthy
patent: 4691565 (1987-09-01), Theurer
patent: 5052306 (1991-10-01), Theurer et al.

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