Rigid axle for a vehicle, comprising integrated trailing arms

B - Operations – Transporting – 60 – G

Patent

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Details

B60G 9/00 (2006.01) B60G 7/00 (2006.01)

Patent

CA 2538599

A distributed compliance air-ride axle/suspension system includes an integral structure preferably formed of a lightweight composite material, replacing traditional beams and an axle. The composite structure includes a plurality of plates of various sizes and shapes, with the size, shape and arrangement of the plates being determined by the load capacity model of a specific vehicle application. Traditional axle spindle ends are mounted on the integral plate structure, together with pivot bushings, air springs, and shock absorbers, to complete the air-ride axle/suspension system. The system in turn is pivotally mounted on frame brackets of a heavy-duty vehicle such as a semi-trailer or dump truck. Forces, loads and/or stresses imposed on the axle/suspension system during vehicle operation are distributed generally throughout the composite structure to achieve the desired structural roll compliance of the axle/suspension system for the particular application.

L'invention concerne un système d'essieu/suspension réparti à suspension pneumatique conforme comprenant une structure monobloc formée, de préférence, dans un matériau composite léger, remplaçant des poutres et un essieu traditionnels. La structure composite comprend une pluralité de plaques de dimensions et formes diverses, la dimension, la forme et l'agencement des plaques étant déterminés par le modèle de capacité de charge d'une application spécifique d'un véhicule. Des extrémités de fusée d'essieu traditionnelles sont montées sur la structure de plaques monobloc, conjointement avec des douilles de pivot, des ressorts pneumatiques et des blocs compensateurs, afin de compléter le système d'essieu/suspension à suspension pneumatique. Le système est monté pivotant sur des supports de cadre d'un véhicule utilitaire lourd, tel qu'un semi-remorque ou un camion à benne basculante. Des forces, charges et/ou contraintes imposées sur le système d'essieu/suspension pendant le fonctionnement du véhicule sont réparties, en général, sur l'ensemble de la structure composite, de manière à obtenir la conformité de roulement structurelle souhaitée du système d'essieu/suspension pour l'application spécifique.

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