Impact device with a rotable control valve

Details Impact device with a rotable control valve Impact device with a rotable control valve

B - Operations, Transporting

25

D

B25D 9/22 (2006.01)

Patent

CA 2515401

The invention relates to an impact device comprising a frame to which a tool is connectible, and between the frame and the tool a stress element (3) sup- ported to the frame of the impact device, and a hydraulic fluid space (6) and means for leading pressurized hydraulic fluid into and out of the hydraulic fluid space (6), respectively. The impact device comprises a rotatingly installed con-trol valve (5) having control channels (5b) for leading the hydraulic fluid inter-mittently from the hydraulic fluid space (6) to the return channel.

L'invention concerne un dispositif à impact comprenant un châssis auquel est connecté un outil, et entre le châssis et l'outil un élément de contrainte (3) s'appuyant au châssis du dispositif à impact, et un espace à fluide hydraulique (6) et un moyen permettant de diriger le fluide hydraulique sous pression à l'intérieur et à l'extérieur de l'espace à fluide hydraulique (6) respectivement. Le dispositif à impact comprend une soupape de commande (5) montée en rotation dotée de canaux de commande (5b) destinés à diriger le fluide hydraulique de manière intermittente de l'espace à fluide hydraulique (6) au canal de retour.

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