Overload detection

Details Overload detection Overload detection

B - Operations, Transporting

64

C

B64C 25/00 (2006.01) B64F 5/00 (2006.01)

Patent

CA 2699268

An overload detecting assembly comprises a first load bearing member (10) adapted to flex laterally in response to a load to be monitored, a second load bearing member (11) spaced from the first under normal load conditions and which is contacted and loaded by the first load bearing member (10) when it is loaded beyond a load limit. Preferably, the first load bearing member (10) has a yield point below the load limit and takes a permanent set once the yield point has been exceeded. A lateral probe (18) cooperates with the first load bearing member as it moves towards the second load bearing member and in turn deflects an indicator member (20) which takes a permanent set when a yield point is exceeded. Ready inspection of the indicator member then reveals whether or not it has been bent.

Un ensemble détecteur de surcharge comprend un premier élément de support de charge (10) adapté pour se fléchir latéralement en réponse à une charge qui doit être surveillée, un second élément de support de charge (11) espacé du premier dans des conditions de charge normales et en contact et chargé par le premier élément de support de charge (10) quand ce dernier est chargé au-delà d'une limite de charge. De préférence, le premier élément de support de charge (10) a une limite élastique inférieure à la limite de charge et prend une position permanente une fois que le point d'élasticité a été dépassé. Une sonde latérale (18) coopère avec le premier élément de support de charge quand il se déplace vers le second élément de support de charge et dévie à son tour un élément indicateur (20) qui prend une position permanente quand un point d'élasticité est dépassé. L'inspection de l'élément indicateur révèle alors s'il a été cintré ou pas.

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