Impact adapter for transfer of impacts and rotation from an...

Details Impact adapter for transfer of impacts and rotation from an... Impact adapter for transfer of impacts and rotation from an...

E - Fixed Constructions

21

B

E21B 1/38 (2006.01) B25D 16/00 (2006.01) B25D 17/06 (2006.01) E21B 6/00 (2006.01) E21B 6/02 (2006.01)

Patent

CA 2497905

Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string comprising a first end (5) for connection to a drill string and a second end provided with ridges (7) and interposed grooves (8) for transfer of rotation. The grooves (8) at the end (9) directed away from the first end (5) of the impact adapter (2) are widened in the direction away from the first end (5).

L'invention concerne un adaptateur de percussions pour transférer les percussions et la rotation d'une perforatrice à percussions à un train de tiges de forage. Cet adaptateur comporte une première extrémité (5) pour le raccordement à un train de tiges de forage et une seconde extrémité dotée de saillies (7) et de gorges (8) intercalées pour le transfert de la rotation. Les gorges (8) situées à l'extrémité (9) opposée de la première extrémité (5) de l'adaptateur de percussions (2) s'élargissent dans le sens opposé à la première extrémité (5).

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