Resistance-monitoring arrangement

Details Resistance-monitoring arrangement Resistance-monitoring arrangement

E - Fixed Constructions

01

B

E01B 11/54 (2006.01) B61L 1/18 (2006.01) B61L 23/00 (2006.01)

Patent

CA 2269962

In an arrangement for monitoring the resistance between adjacent rail-ends of a section of railway track, the usual insulating end-post between the ends of adjacent rails is a moulded component provided with an embedded conductive mesh or perforated plate situated roughly halfway between the rail-ends. The resistance between each rail-end and the conductive part is monitored to detect any significant decrease in resistance between either rail and the conductive part. When a sufficiently large resistance drop is detected, the normal track signalling circuits associated with the section of line involved are still able to function normally, since the insulation on the other side of the mesh is still unaffected at this stage. Railway personnel are now able to effect a repair to the affected part of the track at their (and the passengers') convenience before the whole end-post fails, disrupting normal service.

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