A vibratory apparatus for a rotary-vibratory drill

B - Operations – Transporting – 06 – B

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Details

B06B 1/16 (2006.01) B23B 37/00 (2006.01) B23B 47/02 (2006.01) F16C 9/00 (2006.01)

Patent

CA 2571003

A vibratory apparatus comprises an eccentric mass disposed within a housing. A shaft and bushing are received by the eccentric mass and couple the eccentric mass to a crankshaft. An internal conduit extends longitudinally within the shaft. Input and output conduits each communicate with the internal conduit to allow a lubricant to flow through the shaft. A bore extends radially through the bushing. Lubricant flowing through the shaft may further flow through the bore and form a lubricating layer between the bushing and the eccentric mass.

Dispositif vibratoire formé d'une masse excentrique disposée dans un boîtier. Un arbre et une chemise de protection sont reçus par la masse excentrique et permettent d'accoupler cette dernière à un vilebrequin. Un tube interne s'étend longitudinalement à l'intérieur de l'arbre. Des tubes d'entrée et de sortie communiquent chacun avec le tube interne pour permettre à un lubrifiant de passer à travers l'arbre. Un alésage s'étend de façon radiale à travers la chemise de protection. Le lubrifiant qui s'écoule à travers l'arbre pourra s'écouler davantage à travers l'alésage et former une couche de lubrifiant entre la chemise de protection et la masse excentrique.

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