戴立勋,黄晓鹏,魏宏安,杨勇,李荣.大挖深菊芋收获机设计与试验[J].干旱地区农业研究,2019,37(5):262~268
大挖深菊芋收获机设计与试验
Design and test of Jerusalem artichoke harvester characterized by large dredging depth
  
DOI：10.7606/j.issn.1000-7601.2019.05.38
中文关键词:  大挖深菊芋收获机  设计  挖掘阻力  田间试验
英文关键词:Jerusalem artichoke harvester with large dredging depth  design  digging resistance  field experiment
基金项目:国家自然科学基金项目（51765002）；甘肃省高等学校科研项目（2018D-15）；甘肃农业大学盛彤笙基金项目（GSAU-SLS-1732）
作者单位
戴立勋 College of Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China 
黄晓鹏 College of Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China 
魏宏安 College of Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China 
杨勇 Tuofengshan Ecological Farm,Yuzhong, Gansu 730100, China 
李荣 Tuofengshan Ecological Farm,Yuzhong, Gansu 730100, China 
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中文摘要:
      针对菊芋收获作业要求，研制了大挖深菊芋收获机。该机由外倾整体式条形挖掘铲、两级抖动链式输送分离器及机架、地轮构成,可一次性完成菊芋挖掘、芋土分离、输送、铺放。田间试验表明：该机能在250~500 mm挖掘深度，初霜冻、菊芋团块根系发达地块，克服冻土块、砾石卡塞导致的土壤拥堵，实现持续稳定作业; 对菊芋收获质量好，芋土分离效果良好，损失率、伤薯率、含杂率分别小于1.75%、4.8%、4.5%, 满足菊芋收获作业要求。
英文摘要:
      According to harvesting need of Jerusalem artichoke, a harvester of Jerusalem artichoke with large dredging depth was developed. The harvester consisted of extraversion integral strip-type digger blade, two-grade jitter-chain-transport separator,and rack and land wheels. The harvester can simultaneously complete digging of Jerusalem artichoke, removing soil, transporting and laying of Jerusalem artichoke. The field test showed that the harvester could realize sustainable and stable operation and dig 250~500 mm deep to overcome soil jam caused by blocking of frozen soil and/or gravels during the first frost in the field and developed dense roots of Jerusalem artichoke. It had good harvesting quality and good separating effect of Jerusalem artichoke from soil. The loss rate, damage rate, and the impurity rate of Jerusalem artichoke were less than 1.75%, 4.8%, and 4.5%, respectively, which meet the need of Jerusalem artichoke harvesting.
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