| 摘要 |
FIELD: earth-moving machinery and tractors. ^ SUBSTANCE: invention relates to track rollers of crawler excavators and tractors. Proposed track roller contains axle 1 on which body 2 of roller is mounted. End face covers 3 and 4 with seals in form of two pairs of metal rings 5 and 6, 7 and 8 furnished with spacing-and-sealing rings 9 and 10, 11 and 12 are mounted on roller axle. End face covers 3 and 4 are connected with track unit frame 13 by four bolts 14. end face covers 3 and 4 are connected additionally by two pins 15 with axle 1 of track roller and track unit frame 13 to prevent action of axial and radial load on bolts 14. ^ EFFECT: prevention of action of axial and radial loads on bolt joints connecting track roller to track unit frame. ^ 1 dwg |
