Analyses for the fracture of tricycle transp orter half shaft are presented.An improved design has been put into use for tw o years and the effect has been proved wonderful.

• 分析了半浮式农用三轮运输车半轴的断裂情况，并对断裂原因进行了探讨，提出了改进方案，经过两年多的实际生产应用，效果良好。