Method for monitoring a conveyor belt and system therefor

Details Method for monitoring a conveyor belt and system therefor Method for monitoring a conveyor belt and system therefor

B - Operations, Transporting

65

G

B65G 43/02 (2006.01) B65G 15/30 (2006.01)

Patent

CA 2219834

The invention relates to a method for monitoring a continuous revolving conveyor belt (4) having a connecting region (8) The connecting region (8) is monitored with the aid of two transponders (12) and (14). One of the transponders is arranged forward of the connecting region (8) and the other transponder is connected rearward of the connecting region (8). Both transponders (12) and (14) transmit respective signals to an external transmitter/receiver unit 16 wherein a conclusion is drawn as to the spacing of the two transponders (12) and (14) on the basis of the time-dependent spacing of the two signals. If the spacing s of the transponders (12) and (14) exceeds a pregiven amount, then a conclusion is drawn by the external transmitter/receiver unit (16) as to a critical change in length of the connecting region (8) and corresponding measures are initiated.

L'objet de l'invention est une méthode de contrôle d'une courroie de transport continue (4) ayant une zone de raccordement (8). La zone de raccordement (8) est surveillée au moyen de deux transpondeurs (12, 14). Un des transpondeurs est installé en amont de la zone de raccordement (8) et l'autre est installé en aval de la zone de raccordement (8). Les deux transpondeurs (12, 14) transmettent leurs signaux respectifs à un appareil émetteur-récepteur (16). Une information est fournie sur l'espacement des deux transpondeurs (12, 14) en fonction de l'intervalle de temps écoulé entre les deux signaux. Si l'intervalle de temps entre les signaux des transpondeurs (12, 14) dépasse une valeur donnée, alors une conclusion est établie par l'appareil émetteur-récepteur externe (16) quant à la variation de longueur de la zone de raccordement (8), et des mesures appropriées sont déterminées.

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