E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 1/00 (2006.01) B25D 9/14 (2006.01) E21B 44/00 (2006.01)
Patent
CA 2463601
A method and an apparatus for monitoring the operation of a percussion device, which percussion device (1) comprises a percussion piston (3) and a pressure channel (5) for supplying pressure medium to the percussion device (1) for moving the percussion piston (3). The method and the apparatus measure pressure pulsation of the pressure medium acting in the pressure channel (5), which pressure pulsation is depicted as a pressure curve (10). From pressure pulsation are determined parameters depicting the operating state of the percussion device (1) and the operating state of the percussion device (1) is determined on the basis of said parameters.In addition, an arrangement for controlling the operation of the percussion device on the basis of the operating state of the percussion device (1).
L'invention concerne un procédé et un appareil de surveillance du fonctionnement d'un dispositif de percussion. Ce dispositif de percussion (1) comprend un piston à percussion (3) et un canal de pression (5) permettant d'alimenter le dispositif de percussion (1) en agent de pression pour le déplacement du piston (3). Ce procédé et l'appareil permettent de mesurer la pulsation de pression de l'agent de pression agissant dans le canal de pression (5), cette pulsation de pression étant représentée sous la forme d'une courbe de pression (10). A partir de la pulsation de pression, on détermine des paramètres représentant l'état de fonctionnement du dispositif de percussion (1), l'état de fonctionnement du dispositif de percussion (1) étant déterminé sur la base de ces paramètres. L'invention concerne également un ensemble de contrôle du fonctionnement du dispositif de percussion sur la base de l'état de fonctionnement du dispositif de percussion (1).
Kemppainen Timo
Keskiniva Markku
Uitto Vesa
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Sandvik Mining And Construction Oy
Sandvik Tamrock Oy
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