Railway track tamping machine

Details Railway track tamping machine Railway track tamping machine

1987-01-23

1988-05-17

Peters, Jr., Joseph F.

Railways

Track layers

Tamper

E01B 2716

Patent

active

047443030

ABSTRACT:
The tamping machine is equipped with tool holders (7) on which each of the two tools (8) of a pair of tamping tools is connected by a cylinder-piston unit (28), via an eccentric arm (25, 25'), to one of the two eccentrics (24, 24') of the output shaft (33) of a forced oscillation generator. Each of the two eccentric arms (25, 25') has, in addition to its articulation to one of the two eccentrics, a second articulation connected directly to a hydraulic cylinder-piston unit (28) and a third articulation (29) connected by a connecting link (30) to a pivot (31) fastened on the tool holder, said last connection having the purpose of immobilizing the two eccentric arms in rotation around the eccentric shaft (33). This transmission of movements, designed to facilitate the maintenance of the hydraulic cylinder-piston units (28), is also shown applied to two and three pairs of tamping tools juxtaposed in the same plane.

REFERENCES:
patent: 3292558 (1966-12-01), Oville
patent: 3357366 (1967-12-01), Plasser et al.
patent: 3589297 (1971-06-01), Plasser et al.
patent: 3608498 (1971-09-01), Plasser et al.
patent: 3625156 (1971-12-01), Anderson
patent: 4094251 (1978-06-01), Theurer
patent: 4130063 (1978-12-01), Theurer et al.
patent: 4258627 (1981-03-01), Theurer

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