Method and equipment for displaying drill holes and method...

E - Fixed Constructions – 21 – B

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Details

E21B 7/02 (2006.01) E21B 44/00 (2006.01) E21D 9/00 (2006.01)

Patent

CA 2726930

The invention relates to a method and equipment for displaying holes to be drilled when drilling holes into rock with a rock-drilling rig (1) having control equipment and a display belonging thereto and measuring means for defining the direction and position of a drill rod, by using a pre-designed drilling plan defined in a three-dimensional coordinate system, in which a starting point (19a to 21 a) and end point (19b to 21 b) is defined for each hole to be drilled. In the invention, a base plane (18) running through the end point (19b to 21 b) of the hole and parallel to the projection plane is defined for each hole (19 to 21), and a projection of the intersection of a hole or its extension created when drilling in accordance with the current location of the drill rod and the defined base plane is displayed with a graphical location symbol on the projection plane.

L'invention concerne un procédé et un équipement destinés à indiquer des trous à forer lors du forage de trous dans la roche à laide dune installation (1) de forage dans la roche munie dun équipement de commande et dun affichage incorporés à celle-ci et de moyens de mesure destinés à définir la direction et la position dun fleuret, en utilisant un plan de forage prédéfini dans un système de coordonnées tridimensionnelles, où sont définis un point (19a à 21a) de départ et un point (19b à 21b) darrivée pour chaque trou à forer. Dans linvention, on définit un plan (18) de base passant par le point (19b à 21b) darrivée du trou et parallèle au plan de projection pour chaque trou (19 à 21), et une projection de lintersection dun trou ou de son prolongement créé lors du forage en fonction de l'emplacement actuel du fleuret et du plan de base défini est affichée à laide dun symbole graphique demplacement sur le plan de projection.

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