Rock drill and mounting frame

Details Rock drill and mounting frame Rock drill and mounting frame

E - Fixed Constructions

21

B

E21B 6/00 (2006.01) B25D 17/24 (2006.01) E21B 6/04 (2006.01)

Patent

CA 2375778

A rock drill comprising a mounting frame to which a hammering apparatus and a rotating apparatus is arranged. The mounting frame is made manoeuvrable with respect to a feeding beam by means of slide blocks fastened to it, whereby a separate carriage is not needed between the drill and the feeding beam. Owing to the mounting frame, the hammering apparatus and/or the rotating apparatus can be replaceable modules. The invention further relates to a mounting frame which is arranged to transmit the feed and recoil forces directed to the drill to feeding means. The mounting frame comprises a section parallel to the feeding beam, to which slide blocks are fastened, and a transverse axial support thereto, to which the hammering apparatus and the rotating apparatus are mounted.

L'invention concerne une perforatrice comprenant un cadre de montage auquel sont fixés un dispositif de martelage et un dispositif rotatif. On améliore la capacité de manoeuvre du cadre de montage par rapport à un cylindre d'alimentation au moyen de galets coulissants fixés au cadre de montage, ce qui élimine la présence d'un chariot séparé entre la perforatrice et le cylindre d'alimentation. Etant donné la conception du cadre de montage, le dispositif de martelage et/ou le dispositif rotatif peuvent se présenter sous la forme de modules remplaçables. Elle concerne également un cadre de montage conçu pour transmettre les forces de charge et de recul exercées sur la perforatrice par des moyens d'alimentation. Ce cadre de montage comprend une partie parallèle au cylindre d'alimentation, sur laquelle sont fixés les galets coulissants, ainsi qu'un support axial transversal par rapport audit cylindre, sur lequel sont montés le dispositif de martelage et le dispositif rotatif.

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