Tamping device for railway tamping machine

Details Tamping device for railway tamping machine Tamping device for railway tamping machine

1980-07-17

1982-06-01

Reese, Randolph A.

Railways

Track layers

Tamper

184 612, 184 11R, E01B 2716

Patent

active

043322000

ABSTRACT:
A device comprising two pivoting tamping tools of lever form (9) which are mounted in opposition on a vertically movable housing (1).
Each tool (9) has a bearing (15) force-fitting on an eccentric surface of a rotary shaft (17) on which a regulating flywheel (19) having a peripheral toothing is fixed within the housing (1).
The two flywheels (19) engage with each other via their toothing and one of them also meshes with a pinion (22) which is driven by a motor (21).
The pivoting of the two tools (9) is controlled, in phase opposition, by two cylinder-piston units (12).
A lubricating circuit, driven as a result of the stirring of a bath of oil by the flywheels (19) and of centrifuging by an imbalance weight, is established through the bearings of the rotary shaft (17).

REFERENCES:
patent: 504063 (1893-08-01), Evans
patent: 1285205 (1918-11-01), Johnson
patent: 3383937 (1968-05-01), Toenne
patent: 3785458 (1974-01-01), Caldwell et al.
patent: 3998165 (1976-12-01), Jaeggi
patent: 4218978 (1980-08-01), Pasquini
patent: 4240352 (1980-12-01), Theurer

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