Tamping machine, particularly for railroad ballasts

Details Tamping machine, particularly for railroad ballasts Tamping machine, particularly for railroad ballasts

1989-02-21

1990-07-24

Kashnikow, Andres

Railways

Track layers

Tamper

E01B 2716

Patent

active

049428217

ABSTRACT:
The machine comprises at least two pairs of vibrating tamping hammers, each igidly associated with a support oscillably pivoted to the frame of the machine and subject to the action of a fluidodynamic actuation jack comprising a first extendable section, adapted to move the hammer from a substantially vertical working position to a substantially horizontal lowered idle position, and a second section, fed by distribution mechanism with alternating cyclic operation, adapted to subject said first jack section and the related tamping hammer to a corresponding cyclic and alternating vibration.

REFERENCES:
patent: 3292558 (1966-12-01), Oville
patent: 3608498 (1971-09-01), Plasser
patent: 4090451 (1978-05-01), Theurer
patent: 4096806 (1978-06-01), Allmer
patent: 4312275 (1982-01-01), Theurer et al.

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