E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 44/00 (2006.01)
Patent
CA 2682417
The invention relates to a method and a device for controlling drilling parameters when drilling into rock with a drilling machine. During drilling, an impulse- generating device using an impact means is arranged to induce shock waves in a tool held against the rock, the said impulse-generating device being displaceable in the drilling direction relative to a supporting means, wherein a pressure level of a shock-wave-generating pressure is controlled during the drilling operation. A drilling speed of the said drilling is determined by determining a movement of the impulse-generating device with respect to the said supporting means, and the said shock-wave-generating pressure is controlled as a function of the said drilling speed that has been determined.
L'invention concerne un procédé et un dispositif de réglage de paramètres de forage lors du forage de roches à l'aide d'une machine de forage. Au cours du forage, un dispositif de génération d'impulsions équipé d'un moyen de génération de chocs induit des ondes de choc dans un outil appuyé contre la roche, ledit dispositif de génération d'impulsions pouvant être déplacé dans la direction de forage par rapport à un moyen de support. Le niveau de la pression de génération d'ondes de choc est réglé au cours de l'opération de forage. Une vitesse de forage dudit forage est déterminée par détermination d'un mouvement du dispositif de génération d'impulsions par rapport audit moyen de support, et la pression de génération d'ondes de chocs est réglée en fonction de la vitesse de forage déterminée.
Leu Marcus
Olsson Magnus
Sinnerstad Jonas
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
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