The supporting wheel is used to support the weight of the tractor, while rolling on the track (rail link) or the track surface of the track. It is also used to limit the track and prevent lateral slippage. When the tractor turns, the rollers force the track to slip on the ground.
The support roller is often in mud, water and dust and bears strong impact, so it is required to have reliable sealing and wear-resistant wheels
Prone to problems:
(1) Wheel body wear. The reason for this situation is that the steel used is unqualified or the hardness of the material during heat treatment is low, and the wear resistance is insufficient;
(2) Oil leakage. The bearing wheel shaft has been rotating through the shaft sleeve, and the wheel body needs to be lubricated by adding oil, but if the sealing ring is not good, it is easy to cause oil leakage, so that the shaft and the shaft sleeve are easy to wear without lubrication. The product cannot be used. The reasons for oil leakage are as follows: 1. Unqualified floating oil seal; 2. Insufficient roundness of the product bushing; 3. Insufficient luster of the support shaft; 4. Gear oil is not up to standard; 5. Processing size tolerance and so on. All of the above problems will cause oil leakage from the supporting wheel.