Mobile tie exchange machine arrangement

Details Mobile tie exchange machine arrangement Mobile tie exchange machine arrangement

1989-02-07

1989-11-07

Butler, Douglas C.

Railways

Track layers

Tie replacer

104 2, 104 71, 104137, E01B 2711, E01B 2713

Patent

active

048784354

ABSTRACT:
A mobile machine arrangement for exchanging old track ties for new track ties comprises first and second machine units, a drive for propelling each machine unit independently along the track in an operating direction, an operator's cab for each machine unit, each machine unit comprising a bridge-like machine frame, a tie loading car coupled to the machine frame and undercarriages supporting the machine frame and the tie loading car on the track, a respective tie exchange device for laterally pulling old ties out of the track mounted on the machine frame of the leading machine unit and for laterally inserting new ties into the track mounted on the machine frame of the trailing machine unit, each tie exchange device comprising power-driven vertically and longitudinally adjustable tie gripping devices, a control for the tie exchange device mounted on each machine unit, and a tie transport arrangement mounted on the machine frame and tie loading car of each machine unit.

REFERENCES:
patent: 4018165 (1977-04-01), Bryan, Jr.
patent: 4047280 (1977-09-01), Dieringer
patent: 4253398 (1981-03-01), Theurer et al.
patent: 4418625 (1983-12-01), Allmer
patent: 4579060 (1986-04-01), Nameny et al.
patent: 4611541 (1986-09-01), Theurer
patent: 4770103 (1988-09-01), Allmer
Railway Track Structures, Nov. 83, pp. 22-24.

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