After analysis, it is found that the actual force-bearing parts of the wheel are mainly concentrated at the force-bearing points 1, 2, and 3 in the figure, and the remaining parts are auxiliary and connecting functions. After experimental demonstration, the wheel can change the thickness of its material structure again. Increase the thickness of the material at the main bearing capacity, and reduce the thickness at the smaller bearing capacity. Under the same bearing capacity, the weight of the material can be reduced.