Device for determining the condition of railway switches or rail

Details Device for determining the condition of railway switches or rail Device for determining the condition of railway switches or rail

1989-05-24

1991-01-22

Olszewski, Robert P.

Railway switches and signals

Crossings, frogs, and mates

Flange-supported wheel

246 1C, 246220, E01B 720, B61L 2304

Patent

active

049864980

ABSTRACT:
A device for determining the condition of railway switches or railway crossings by monitoring the end position of tongue rails (2), said device having a sensor (18) within the area of the theoretical frog point (17) of a frog (8), said sensor giving on occasion of a mechanical collision with the wheel flange or with the running surface of the wheel a signal indicating premature wear within the area of the frog.

REFERENCES:
patent: 4093163 (1978-06-01), Larsson

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