【摘要】 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．更多还原

【Abstract】 Based on the analysis of motion track andmechanic mechanism of blade for self-propelled rotary cultivator,normal working require requirenments and improveddevices were raised in order to develop the walking tractor for horticulture and accessory farm implements.更多还原