E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 6/00 (2006.01) B25D 16/00 (2006.01)
Patent
CA 2654496
The invention relates to a hydraulic rotary percussive device of the drill type, intended for drilling boreholes, comprising: a striking mechanism equipped with a piston (5) which is able to move translationally along a striking axis and is intended to strike a tool (10); a hydraulic motor (2) which rotates the tool (10) about an axis of rotation, the axis of rotation of the motor (2) being substantially coincident with the striking axis of the piston (5), characterized in that it comprises a support-forming casing (1), the striking mechanism being hydraulic and having a longitudinal body (4) rotatably mounted in the casing (1) about the axis of the body (4), the body (4) being rotated directly by the motor and coupled to the tool (10).
L'invention concerne un appareil rotopercutant hydraulique du type perforatrice, destiné à la perforation de trous de mine, comportant : un mécanisme de frappe équipé d'un piston (5) mobile en translation suivant un axe de frappe et destiné à venir frapper un outil (10); un moteur hydraulique (2) entraînant en rotation l'outil (10) selon un axe de rotation, l'axe de rotation du moteur (2) étant sensiblement coïncidant à l'axe de frappe du piston (5), caractérisé en ce qu'il comporte un carter (1) formant support, le mécanisme de frappe étant hydraulique et comportant un corps longitudinal (4) monté en rotation dans le carter (1) suivant l'axe du corps (4), le corps (4) étant entraîné en rotation directement par le moteur et couplé à l'outil (10).
Montabert
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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