CRAWLER TRACTOR SUSPENSION Russian patent published in 1997 - IPC

FIELD: transport engineering; crawler vehicle running gears. SUBSTANCE: suspension has cross rigid beam hinge connected with tractor frame. Beam is fitted with its ends in rigidity adjusters installed on each bogie. Each adjuster is made in form of two supports and two pairs of resilient members. One pair is arranged between supports, and the other, on beams of track frame, with clearance X between resilient member and support for closing the pair onto tractor frame in case of increase in load. EFFECT: increased reliability and longevity of suspension, reduced dynamic and vibration loads on tractor skeleton, improved operating conditions for driver. 4 dwg