Monitoring operation of a winch

B - Operations – Transporting – 66 – D

Patent

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Details

B66D 1/28 (2006.01) B66D 1/54 (2006.01) G06C 15/00 (2006.01)

Patent

CA 2218769

A winch has a winch drum mounted in a housing to reel in and pay out the cable over a plurality of repeated cycles of use during a period of use of the winch. A digital counter is mounted on the housing so as to be responsive to each rotation of the drum in both directions and arranged to generate a total count during the period of use which is indicative of the number cycles so that the winch can be taken out of operation for service when the number of rotations reaches a predetermined maximum. The digital counter includes a follower contacting a raised portion on an edge of the drum so as to be moved by the raised portion for actuating each count of the digital counter.

Treuil constitué d'un tambour monté dans un boîtier afin d'enrouler et de dévider un câble pendant plusieurs cycles répétés au cours d'une période d'utilisation du treuil. Un compteur numérique est fixé sur le boîtier afin de suivre chaque rotation du tambour dans les deux directions, et est réglé en vue de fournir un compte total pendant la période d'utilisation afin d'indiquer le nombre de cycles écoulés pour que le treuil puisse être mis hors service lorsque le nombre de rotations atteint une limite prédéterminée. Le compteur numérique comprend un suiveur entrant en contact avec une partie élevée du bord du tambour afin d'être bougé par cette dernière pour déclencher chaque compte du compteur numérique.

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