Tensioning device for track apparatus

Details Tensioning device for track apparatus Tensioning device for track apparatus

B - Operations, Transporting

62

D

B62D 55/112 (2006.01) B62D 55/04 (2006.01) B62D 55/30 (2006.01)

Patent

CA 2386205

A tensioning device is provided for maintaining the tension on a continuous flexible track (15) of a track apparatus (10). The track apparatus (10) includes an idler wheel (137) which engages the flexible track (15) and which is movable between a first non-deflected position and a second deflected position. A dampening mechanism extends between an idler axle (136) which supports the idler wheel (137) and the frame (34) of the track apparatus (10) in order to exert a force on the idler axle (136) to urge the idler wheel (137) towards the non-deflected position. The dampening mechanism progressively increases the force on the idler axle (136) as the idler wheel (137) moves towards the deflected position.

L'invention concerne un dispositif de tension destiné à maintenir la tension d'une chenille continue flexible (15) d'un appareil à chenille (10). Ce dernier (10) comprend une roue de support (137) qui entre au contact de la chenille flexible (15) et qui est mobile entre une première position non déviée et une seconde position déviée. Un mécanisme d'amortissement s'étend entre un axe de support (136) qui supporte la roue de support (137) et le cadre (34) de l'appareil à chenille afin d'exercer une force sur l'axe (136) pour pousser la roue de support (137) dans la position non déviée. Le mécanisme d'amortissement augmente progressivement la force sur l'axe de support (136) tandis que la roue de support (137) se déplace vers la position déviée.

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