SURVEILLANCE DEVICE FOR CABLE TRANSPORT APPARATUS AND SURVEILLANCE METHOD

摘要

The invention relates to a surveillance device for a transport apparatus that comprises a cable carried by N pylons (1-6), characterized in that the surveillance device comprises: at least 2N switches (1a-6b), two switches being provided at each pylon; a safety electric cabinet (8); N+1 electric lines (I-VII) connecting the switches to the safety electric cabinet, the switches being laid in the following manner: a first electric line connects one of the switches of the first pylon to the electric safety cabinet; a N+1st electric line connects one of the switches of the Nth pylon to the safety electric cabinet; the same electric line n connects in series, for any integer n between 2 and N, one of the switches of the pylon n-1 and one of the switches of the pylon n to the safety electric cabinet.