Rock drilling machine

Details Rock drilling machine Rock drilling machine

E - Fixed Constructions

21

B

E21B 6/00 (2006.01) E21B 1/00 (2006.01) E21B 3/00 (2006.01)

Patent

CA 2405686

A rock drilling machine comprising a rotating device (1), a percussion device (2) and a shank (17) where a tool (18) is to be fastened. According to the inventive idea, lubricant used for lubricating the shank is supplied in suitable conduits to pressurize the holes (3a'-3f') of coupling bolts that join together the different parts of the drilling machine and delivered further in suitable conduits to serve as lubricant on the bearing surfaces between the rock drill and the feed equipment (21).

L'invention concerne une foreuse de rocher comprenant un dispositif rotatif (1), un dispositif de percussion (2) et une tige (17) sur laquelle on fixe un outil (18). Des conduits appropriés effectuent l'alimentation en lubrifiant utilisé pour lubrifier la tige, ce qui met sous pression les perçages (3a'-3f') des raccords réunissant les différentes pièces de la foreuse, ce lubrifiant circulant ensuite dans des conduits appropriés afin de lubrifier les surfaces porteuses entre l'équipement de forage et l'équipement d'alimentation (21).

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