The function of the heavy wheel of the crawler transport vehicle and the requirements for the supporting wheel，Export to the United States

The function of the heavy wheel of the crawler transport vehicle and the requirements for the supporting wheel，Export to the United States

The function of the roller is to transfer the weight of the whole machine to the ground while rolling on the track. In order to prevent derailment, the roller should also be able to prevent the track from moving laterally relative to it. The rollers often work in mud, water, sand and sand, and are subject to strong shocks, and the working conditions are very harsh. Wheel rims are prone to wear. The requirements for the roller are: wear-resistant rim, reliable bearing seal, low rolling resistance, etc.

1. In order to reduce the chance of muddy water entering the bearing, the movable sealing surface should be minimized. The rotary tiller in this design adopts the cantilever fixing method to reduce the movable sealing surface of the roller. There is only one sealing surface of the wheel;
2. Improve the service life and reliability of seals. The support wheel adopts oil-resistant and anti-aging clear rubber as the sealing material.
The function of the support roller is to hold the track. In order to ensure that the track will not be too large, the sagging of the track should be minimized, and it should be installed under the upper part of the track. Jump and prevent the track from sliding sideways. The length of the upper section of the track determines the number of rollers, generally 1 to 2 on each side, and one roller is set on each side of the rotary tiller driving system. Compared with the support wheel, the supporting wheel bears less force, and only needs to support the track so that it will not fall too much. And less contact with mud and water when working, so the size of the pulley can be smaller, and the height of the support wheel is not required.