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Position: Home > Articles > 马铃薯振动挖掘装置的性能试验研究 Journal of Agricultural Mechanization Research 2020 (1) 173-178

马铃薯振动挖掘装置的性能试验研究

作  者：
李亮亮;李亚萍;蒙贺伟;坎杂;戚江涛;刘潇;邓一刚
关键词：
马铃薯;振动挖掘铲;五杆机构;运动仿真;实验优化
摘  要：
针对马铃薯收获过程中普遍存在的挖掘切削阻力大、耗能高等问题,设计了一种五杆双作用振动挖掘装置,以输送速度、入土角、振幅及振动频率为试验因素,以机组功耗为评价指标,采用功耗测试系统对其进行了试验,并利用Design-Expert 8.6.0软件对试验数据进行了处理.结果显示:影响因素对功耗的影响次序为牵引速度>入土角>振幅>振动频率;以低功耗为优化目标,对建立的数学模型进行优化,获取了功耗最小组合方案,即牵引速度为0.53m/s、振幅为12.63mm、入土角为10.14°、振动频率为11.73Hz时,功耗为12.22kW.对该组合进行田间验证,结果表明:实际功耗为12.536kW,实际值与理论值之间的误差为2.6%,符合设计要求.该研究成果可为马铃薯收获过程降低功耗、减少阻力等研究提供参考.
作  者：
Li Liangliang;Li Yaping;Meng Hewei;Kan Za;Qi Jiangtao;Liu Xiao;Deng Yigang;College of Electrical Engineering, Shihezi University;Laboratory of Northweast Agricultural Equipment, Ministry of Agriculture;
单  位：
Li Liangliang%Li Yaping%Meng Hewei%Kan Za%Qi Jiangtao%Liu Xiao%Deng Yigang%College of Electrical Engineering, Shihezi University%Laboratory of Northweast Agricultural Equipment, Ministry of Agriculture
关键词：
potato;;vibration excavation shovel;;five-bar mechanism;;motion simulation;;experimental optimization
摘  要：
Aiming at the problems of large cutting resistance and high energy consumption in the potato harvesting process, this paper designed a five-bar double-acting vibration excavation device. Based on the trial production of the device, the conveying speed, the inlay angle, the amplitude and the vibration The frequency is the test factor. The unit power consumption is used as the evaluation index. The power consumption test system is used to test it. The test data is processed by Design-Expert 8.6.0 software. The results show that the influence factors affect the power consumption. For the traction speed>inset angle>amplitude>vibration frequency, with low power consumption as the optimization goal, the established mathematical model is optimized, and the minimum power consumption combination scheme is obtained, that is, the traction speed is 0.53 m/s and the amplitude is 12.63 mm. When the angle of entry is 10.14° and the vibration frequency is 11.73 Hz, the power consumption is 12.22 kW. The combination is field-proven. The actual power consumption is 12.536 kW. The error between the actual value and the theoretical value is 2.6%. Design requirements. The research results can provide reference for the research of reducing power consumption and reducing resistance during potato harvesting.

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