LEVER-TYPE FULLY ARTICULATED SUSPENSION OF CATERPILLAR DRIVE Russian patent published in 2010 - IPC B62D55/104 

FIELD: transport.

SUBSTANCE: invention relates to transport machine building, particularly to designs of lever-type fully articulated suspension of caterpillar drive. Proposed suspension comprises idler arm coupled with frame via flexible element and swinging axle aligned with rotational axis of drive wheels (sprockets) of caterpillar drive. Balance lever supporting guide wheels and/or wheels-rollers and/or caterpillar chain sliding guides is coupled with idler arm to swing thereon. In compliance with first version, suspension has drive wheel shaft journals secured between frame brackets. Shaft with drive wheels runs in axle, while idler arm sleeve is fitted on shaft central part that doubles as swinging axle. In compliance with first version, suspension has drive wheel shaft journals secured between frame brackets. "П"-like idler arm sleeve swings on the axle. Idler arm represents a yoke. Shaft with drive wheels runs on idler arm sleeve central part. In compliance with third version, suspension has idler arm arranged at the joint of connection with balance lever that represents a yoke. H-like balance lever incorporates two lengthwise side members interconnected by crosspiece. Balance lever is arranged between arms of the idler arm yoke and coupled therewith to swing relative to transverse axis.

EFFECT: reduced overall dimensions, smooth run of caterpillar drive.

7 cl, 2 dwg