Work train for exchanging old ties for new ties
AssigneeFranz Plasser Bahnbaumaschinen-Industriegesellschaft m.b. H.
InventorsJosef Theurer, Herbert Worgotter
Life of this patent
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Abstract
A work train for exchanging old ties for new ties and comprising sequentiy arranged cars including freight cars for storing old ties and new ties, the train extending in a longitudinal direction and the cars being movable in an operating direction along an existing railroad track comprised of rails fastened to the old ties resting on a ballast bed. The train comprises a tie exchange device for laterally pulling respective ones of the old ties out of the track, a crane for transporting the old ties pulled out of the track and movable in the longitudinal direction, the crane comprising a tie gripping device, and a tie transport device on one of the cars at one end of the train for placing the new ties at the one train end.
Claims11
A work train for exchanging old ties for new ties and comprising sequentially arranged cars including freight cars for storing old ties and new ties, the train extending in a longitudinal direction and the cars being movable in an operating direction along an existing railroad track comprised of rails fastened to the old ties resting on a ballast bed, a rearmost car in the operating direction at a rear end of the train being supported on the track by a rear undercarriage in the operating direction, the train comprising
- (a) a tie exchange device for laterally pulling respective ones of the old ties out of the track,
- (b) a crane for transporting the old ties pulled out of the track and movable in the longitudinal direction, the crane comprising
- (1) a tie gripping device, and
- (c) a tie transport device on the rearmost car at the rear undercarriage for placing the new ties on the railroad track at the rear train end.
A method of exchanging old ties for new ties with a work train comprising sequentially arranged cars including freight cars for storing old ties and new ties, the train extending in a longitudinal direction, comprising the steps of
- (a) moving the cars in an operating direction along an existing railroad track comprised of rails fastened to the old ties resting on a ballast bed,
- (b) laterally pulling respective ones of the old ties out of the track with a tie pulling device on the train,
- (c) gripping the old ties pulled out of the track and transporting the pulled-out old ties with a crane movable in the longitudinal direction along the train,
- (d) gripping respective ones of the new ties stored on a rearmost one of the cars in the operating direction at a rear end of the train and placing the new ties on the railroad track at the rear train end,
- (e) moving an independent tie exchange unit behind the work train in the operating direction, and
- (f) inserting respective ones of the new ties placed on the railroad track in the track with the independent tie exchange unit.
Dependencies are inferred from the claim text.