Vehicle rollover test fixture

G - Physics – 01 – M

Patent

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Details

G01M 17/00 (2006.01) G01M 17/06 (2006.01)

Patent

CA 2690320

A test fixture for rollover crash testing of a test vehicle onto a moving surface employs a cradle (132) to support and rotate the test vehicle (104). A vertical support structure (118) to position and releasably holds the cradle. A moving sled (110) having a contact surface (136) and is carried by a guide (114) extending beneath the structure and the cradle fixture. The cradle is rotated and released from the structure responsive to a sensor for contact within a drop impact zone on the contact surface of the moving sled. Vertical motion of the cradle is then arrested to prevent further damage to the test vehicle or the test structure.

La présente invention concerne un dispositif de test qui permet de tester une situation de retournement sur un véhicule test installé sur une surface mobile, et utilise un berceau (132) pour soutenir et faire pivoter le véhicule test (104). Une structure de support verticale (118) sert à placer et maintenir le berceau de manière détachable. Un traîneau mobile (110) doté d'une surface de contact (136) est installé sur un dispositif de guidage (114) qui s'étend sous la structure et le berceau. Le berceau pivote et est libéré de la structure sous l'effet de signaux émis par un capteur qui détecte tout contact dans une zone de chocs dus à une chute sur la surface de contact du traîneau mobile. Le mouvement vertical du berceau est alors arrêté afin de prévenir tout dommage supplémentaire sur le véhicule test ou la structure de test.

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