Harsh environment swivel

F - Mech Eng,Light,Heat,Weapons – 16 – G

Patent

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Details

F16G 15/08 (2006.01) H02G 1/08 (2006.01)

Patent

CA 2109041

A harsh environment swivel is disclosed. The swivel is of the type having first and second swivel heads located at opposite ends of a generally hollow swivel body. A swivel shaft is attached to the first swivel head and secured within the hollow body by a locking nut. The swivel shaft rotates about tapered roller bearings which transmit tensile loading from the swivel shaft to the hollow body. A plurality of progressively more restrictive seals restrict the passage of debris into the interior of the hollow body. A method of flushing debris from the interior of such a swivel is also disclosed.

Émerillon conçu pour un environnement hostile. Ce modèle d'émerillon présente une première et une deuxième têtes situées aux extrémités opposées d'un corps pivotant qui, dans l'ensemble, est creux. Un arbre tournant est relié à la première tête pivotante et fixé dans le corps creux par un contre-écrou. L'arbre tourne autour de roulements à rouleaux coniques transmettant une charge de traction entre l'arbre tournant et le corps creux. Un certain nombre d'éléments de plus en plus obstructeurs empêchent les débris de s'introduire trop facilement dans le corps creux. On expose également une méthode d'élimination des débris ayant pénétré dans l'émerillon.

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