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为开发研究适合园艺型的手扶拖拉机和配套农机具的需要， 在分析无驱动轮旋耕机刀片运动轨迹和受力状况的基础上， 提出保证正常工作的条件和改进方案．
In order to research and develop the suitable horticultural walking tractor and supporting agricultural implement, based on the analysis of the motion track and force condition of the drive wheel without rotary cutter, the conditions and the improvement plan to ensure the normal work are put forward.