Railway track tamping machine

Details Railway track tamping machine Railway track tamping machine

1987-01-22

1988-05-17

Peters, Jr., Joseph F.

Railways

Track layers

Tamper

E01B 2716

Patent

active

047443049

ABSTRACT:
The tamping machine is provided with tamping units on which each tamping tool (8) is articulated on a junction lever (26) controlled for work pivoting by a piston-cylinder unit (28) connected to a forced oscillation generator (24).
The tamping tool (8) can be lifted into out-of-use position on the junction lever (26) by means of an intermediate lever (30) driven by a second hydraulic piston-cylinder unit (31), this intermediate lever being connected to said tool by a connecting link (36). In the lowered working position, the articulation (29) of the intermediate lever and the two articulations (34, 35) of the connecting link are aligned and the piston-cylinder unit (31) for the driving of the intermediate lever is abutted at the end of its stroke. As a result, the tamping tool (8) constitutes the equivalent of a rigid tool with respect to the transmission of the tamping and forced-oscillation forces.

REFERENCES:
patent: 3292558 (1966-12-01), Oville
patent: 3625156 (1971-12-01), Anderson
patent: 4096806 (1978-06-01), Allmer
patent: 4258627 (1981-03-01), Theurer
patent: 4598645 (1986-07-01), Ganz

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