Method and device for continuously informing the operator of...

Details Method and device for continuously informing the operator of... Method and device for continuously informing the operator of...

E - Fixed Constructions

21

D

E21D 9/11 (2006.01)

Patent

CA 2579530

The invention relates to a method for informing the operator of a tunnelling machine on physical features of a ground to be tunnelled consisting in placing one or several sensors (1-4) directly on each cutter wheel of a drill head, wherein said sensors are selected such that they are capable of transmitting representative signals of the cutter wheel penetrating force into the ground, a rotating state, the position and the temperature of the cutter wheel and in transmitting said information to the operator of the tunnelling machine. Said invention is particularly suitable for detecting hard rocks during digging an excavation by means of a tunnelling machine.

L'invention concerne l'information du conducteur d'un tunnelier sur la nature du terrain en front de taille. On place directement sur chaque molette (M) concernée de la tête de forage du tunnelier un ou plusieurs capteurs (1-4) choisis parmi les capteurs aptes a fournir des signaux représentatifs de la force de pénétration de la molette dans le terrain, de l'état de rotation, de la position et de la température de la molette et on transmet ces informations au conducteur du tunnelier. L'invention s'applique notamment à la détection de roches dures lors du creusement d'une excavation dans un terrain au moyen d'un tunnelier.

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