TRACK IDLER OF HARVESTER CRAWLER TRUCK Russian patent published in 2012 - IPC B62D55/30 B62D55/08 

FIELD: transport.

SUBSTANCE: invention relates to track idlers of harvester crawler trucks, for example self-propelled rice-and-grain harvesters and fodder choppers TRACK IDLER OF harvester crawler truck comprises wheel (1), rotating on two bearings (2) with stationary axle (3) fixed in rests (4) having guides (6) with rollers (10). Vertical play of wheel (1) is limited by planks (7) pressed from below to lower flanges of channel beams (8) of crawler truck frame by springs (9). On each guide (6) from the side of channel beam (8) of crawler truck frame, roller (10) is installed which rotates and rests on lower flange of channel beam. Under action of tensioner, wheel (1) moves on rollers (10) over lower flanges of channel beam (8) lower flanges of channel beam.

EFFECT: invention is aimed at lowering force for moving wheel guided over flanges of channel beams of crawler truck frame, as well as at reducing wear of coupled parts - guides and flanges of channel beams of crawler truck frame.

4 dwg