B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
B25D 17/26 (2006.01) E21B 6/00 (2006.01)
Patent
CA 2580082
Rock drilling device including a rock drilling machine (1) which is movable forwards and backwards along a feed beam, (2 wherein the rock drilling machine (1) is pivotal around an axis (3) which is arranged along the rock drilling machine (1) , and a channel (4) for supply of lubricant to points of lubrication in the rock drilling machine (1) , wherein the channel (4) includes a sleeve (5) which is provided with a number of generally radial holes (6) that are distributed along the circumference of the sleeve (5) , that a groove (7) is arranged around the sleeve (5) in connection with the radial holes (6) , and that the radial holes (6) are dimensioned such that a part of the lubricant leaves the channel (4) through the radial holes (6) .
L'invention concerne un dispositif de perforation de roches comportant une perforatrice (1) qui effectue un mouvement alternatif le long d'un balancier (2), la perforatrice (1) pivotant autour d'un axe (3) situé le long de sa structure. La perforatrice comprend un canal (4) qui achemine le lubrifiant aux points de lubrification de la perforatrice (1). Ce canal (4) comporte un manchon (5) dont le pourtour est pourvu d'un certain nombre de trous généralement radiaux (6) ainsi que d'une rainure (7) reliée aux trous radiaux (6), ces derniers étant dimensionnés de manière à ce qu'une partie du lubrifiant s'évacue du canal (4) par les trous radiaux (6) .
Andersson Kurt
Rodert Joergen
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
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