Percussion boring machine with run monitoring

Details Percussion boring machine with run monitoring Percussion boring machine with run monitoring

E - Fixed Constructions

21

B

E21B 1/00 (2006.01) E21B 4/14 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2223311

Percussion boring machine with run monitoring. In a percussion boring machine having run monitoring means comprising a measuring and transmitting unit and an above-ground receiver the pneumatically or hydraulically driven and controlled striking piston (3) reciprocates between the tip of the machine and a rear stop (8). In order to expose the measuring and transmitting unit as little as possible to the influence of the ram blows acting on the tip of the machine, it is arranged so that (when viewed in the direction of advance) it is in front of the rear stop.

Machine de forage à percussion à avance régulée. La machine de forage à avance régulée comporte un dispositif de mesurage et de transmission des données, ainsi qu'un récepteur en surface. Le piston percutant à commande pneumatique ou hydraulique (3) se déplace entre le sommet de la machine et une butée arrière (8). Pour le préserver des effets dynamiques du battage transmis au sommet de la machine, le dispositif de mesurage et de transmission est monté en avant de la butée arrière (dans la direction de l'avance).

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