Machine for compacting track ballast with variable gauge track s

Details Machine for compacting track ballast with variable gauge track s Machine for compacting track ballast with variable gauge track s

1994-02-22

1995-05-30

Oberleitner, Robert J.

Railways

Track layers

Track raising car

104 2, 105178, E01B 3300

Patent

active

054192595

ABSTRACT:
A mobile machine for compacting ballast comprises a machine frame extending in a longitudinal direction and supported by undercarriages on the track rails, and a ballast bed stabilizing apparatus vertically adjustably mounted on the machine frame. The apparatus comprises a vibrator imparting to the apparatus vibrations extending in a horizontal plane and perpendicularly to the longitudinal direction, flanged rollers spaced apart in a direction extending perpendicularly to the longitudinal direction and supporting the apparatus on the track rails for movement therealong, each flanged roller being mounted on a stub shaft, and a spreading mechanism mounted between the spaced-apart flanged rollers for changing the distance therebetween. According to the invention, the spreading mechanism comprises a multi-position pressure-fluid operated cylinder drive comprising a first cylinder and a second cylinder spaced from first cylinder in the perpendicularly extending direction, a first double-acting piston rod in the first cylinder, a second double-acting piston rod in the second cylinder, and a pivotal connection linking a respective one of the piston rods to a respective one of the stub shafts.

REFERENCES:
patent: 3486461 (1968-01-01), Plasser et al.
patent: 3926123 (1975-12-01), Plasser et al.
patent: 4046079 (1977-09-01), Theuer
patent: 5113767 (1992-05-01), Theuier

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