Chassis structure for a forest machine

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 7/14 (2006.01) B60G 3/20 (2006.01) B60G 9/02 (2006.01) B60P 3/41 (2006.01) B62D 7/15 (2006.01) B62D 33/02 (2006.01) B62D 49/00 (2006.01) B62D 53/00 (2006.01) B62D 53/02 (2006.01)

Patent

CA 2427001

The invention relates to a chassis structure for a working machine moving on a terrain, the chassis structure (40, 60) comprising a pair of front wheels and a pair of rear wheels supporting the frame (41 to 42, 61 to 62), and a controlled frame joint (63) between the frame parts (41, 42, 61, 62), when the frame is composed of two frame parts. The chassis structure (40, 60) further comprises a suspension (1a) controlled by actuators and arranged to move each wheel in a level transverse in relation to the frame. Each wheel is mounted rotatably and to turn by means of the actuators to the suspension, and each wheel is usually provided with hub motor means for drive transmission. The chassis structure (40, 60) can further comprise a pair of middle wheels for a second frame part (42, 62). In a method related to the chassis structure (40, 60) the forest machine can also be turned in place.

La présente invention concerne une structure de châssis pour une machine de travail se déplaçant sur un terrain, la structure de châssis (40, 60) comprenant une paire de roues avant et une paire de roues arrière supportant l'armature (41 à 42, 61 à 62), et un joint d'armature (63) commandé entre les parties d'armature (41, 42, 61, 62), lorsque l'armature est composée de deux parties d'armature. La structure de châssis (40, 60) comprend en outre une suspension (1a) commandée par des vérins et montée de façon à mouvoir chaque roue de manière transversale par rapport à l'armature. Chaque roue est montée rotative et de façon à pouvoir virer grâce aux vérins, sur la suspension, et chaque roue est normalement pourvue d'un moteur sur moyeu permettant la transmission d'entraînement. La structure de châssis (40, 60) peut en outre comprendre une paire de roues intermédiaires montées sur une deuxième partie d'armature (42, 62). Selon un procédé relatif à la structure de châssis (40, 60) la machine forestière peut également tourner sur place.

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