Railway track tamping machine

Details Railway track tamping machine Railway track tamping machine

1981-11-13

1984-07-10

Reese, Randolph

Railways

Track layers

Tamper

E01B 2716

Patent

active

044586000

ABSTRACT:
The tamping machine comprises, for each row of rails (6) a tamping unit (4) which is movable in the transverse direction of the track in order to tamp the track switches.
The controlled transverse mobility of each tamping unit, to the right and the left of the line of rails, is obtained by the combination of a lever manual control member (26) and an automatic control circuit (38) which is controlled by two amplitude limiters (34, 36).
A switch (32) makes it possible to change from manual to automatic and vice versa.
By presetting the amplitude limiter at a value corresponding to a transverse position of the tamping unit which is repeated several times along the track switch, the positioning of the tamping unit is obtained by simple actuation of the switch upon arrival at these recurrent positions.

REFERENCES:
patent: 2734155 (1956-02-01), Schuck
patent: 3036253 (1962-05-01), Bramley
patent: 3534687 (1970-10-01), Plasser et al.

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