E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 35/20 (2006.01) E21B 21/01 (2006.01) E21B 21/015 (2006.01) E21B 41/00 (2006.01) E21C 35/00 (2006.01) E21C 35/24 (2006.01)
Patent
CA 2426056
The invention relates to a rock drilling apparatus and a mechanical conveyor for drill cuttings. The conveyor is provided with a sensor (68, 72, 76) for detecting when the conveyor has possibly jammed. The detection data of the sensor is supplied to a control unit (70) of the conveyor, which commands an actuator (31) driving the conveyor to drive the conveyor in a direction that is opposite to the normal direction of conveyance for a predetermined period of time.
L'invention concerne une perforatrice de roches et un convoyeur mécanique de déblais de forage. Le convoyeur est pourvu d'un capteur (68, 72, 76) servant à détecter un engorgement possible du convoyeur. Les données de détection du capteur sont transmises à une unité de commande (70) du convoyeur, qui commande un actionneur (31) qui fait rouler le convoyeur dans une direction opposée à celle dans laquelle s'effectue normalement le transport, pendant une période de temps prédéterminée.
Eilo Erkki
Hakkinen Leo
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Sandvik Tamrock Oy
LandOfFree
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