Selective production tamper machine and a tamping head therefor

Details Selective production tamper machine and a tamping head therefor Selective production tamper machine and a tamping head therefor

1986-03-14

1988-09-27

Reeves, Robert B.

Railways

Track layers

Tamper

E01B 2716

Patent

active

047733330

ABSTRACT:
A production tamper for selectively tamping ballast simultaneously underneath two successive ties or underneath a single tie with a tamping head comprising a common tamping tool carrier, two pairs of opposed vibratory tamping tools mounted on the common tamping tool carrier laterally adjacent the sides of a rail, the pairs of tools being spaced from each other in the direction of elongation of the track so that the adjacent tools of the two pairs may be immersed in a respective crib defined between adjacent ties, and the transversely aligned remote tamping tools of at least one of the pairs being adjustable independently from the other tamping tools for movement between a lowered operative and a raised inoperative position. An adjustment drive is connected to each adjustable remote tamping tool for moving the same, reciprocating drives are connected to the opposed tamping tools, a common drive vibrates the tamping tools, and a drive is provided for vertically adjusting the tamping tool carrier.

REFERENCES:
patent: 2082947 (1937-06-01), Fotsch
patent: 3357366 (1967-12-01), Plasser et al.
patent: 3534687 (1970-10-01), Plasser et al.
patent: 3808976 (1974-05-01), Stewart
patent: 4248155 (1981-02-01), Theurer
patent: 4282815 (1981-08-01), von Beckmann
patent: 4369712 (1983-01-01), von Beckmann
patent: 4428297 (1984-01-01), Ganz
patent: 4466355 (1984-08-01), Pasquini
patent: 4537135 (1985-08-01), Theurer
patent: 4576095 (1986-03-01), Theurer
patent: 4598645 (1986-07-01), Ganz

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