Maintenance of railway track

Details Maintenance of railway track Maintenance of railway track

1981-11-27

1983-06-07

Reese, Randolph

Railways

Track layers

Tamper

238 2, E01B 2718

Patent

active

043865704

ABSTRACT:
A method of re-levelling railway track of the kind having rails fastened to sleepers supported on a ballast bed is disclosed. The method comprises lifting the sleepers off the ballast bed and pneumatically placing ballast stones by an air stream in the gap formed between the underside of a lifted sleeper and the underlying ballast bed using a tool which is driven into the ballast bed adjacent a side face of the sleeper to a depth such that an outlet for the ballast stones propelled by the air stream is provided at the level of the gap. The tool used comprises a spade-like member having a channel along which the air stream and the ballast stones are fed into the gap, the member being disposed so that its channel extends generally downwardly with its mouth facing the sleeper side face and the length of the channel being greater than the depth of the channel. Preferably the length of the channel is such that with the lower end thereof aligned with the gap the channel extends upwardly to a position above the top side of the sleeper.

REFERENCES:
patent: 1041878 (1912-10-01), Royal
patent: 2669942 (1954-02-01), Scheuchzer
patent: 4043271 (1977-08-01), Theurer

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