| 摘要: |
| 【目的】改进并设计稻麦联合收割开沟填草一体机，旨在实现一次作业完成作物收获、排草导草和开沟填草等工序。【方法】在现有联合收割机的基础上，通过合理的结构设计和动力选择，分别对排草口挡草板、分土导流装置和清沟铲进行改进，设计了一种集稻麦收获、开沟、填草等功能于一体的复式作业机械，并对其性能进行了田间试验。【结果】田间试验结果表明，复式作业机械的开沟作业质量稳定，梯形沟上、下口宽的平均值分别为245和150 mm，平均深度为145 mm，秸秆入沟率达82%以上。【结论】改进设计的稻麦联合收割开沟填草一体机收获和开沟性能稳定可靠，能基本满足农艺的要求。 |
| 关键词: 稻麦联合收割开沟填草一体机 农业机械 结构设计 性能改进 |
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| 基金项目:国家自然科学基金项目（50875131）；江苏省科技支撑计划项目(BE2008315，BE2009395) |
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| Improved design of rice and wheat combined harvester with ditching and grass filling |
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| Abstract: |
| 【Objective】Improvement and design of rice-wheat combined harvester with ditching and grass filling was aimed for completing crop harvest,discharge and divert grass,and ditch grass filling.【Method】On the existing basis of harvesters,by rational structural design and power selection,block row of grass panels,sub-soil and diversion devices,and ditching shovel were improved,and duplex operation machinery was designed for rice and wheat harvest combined with ditch-buring grass.【Result】Field tests showed that the operation is reliable,transmission reasonable,and ditch quality stable.Trapezoidal ditch’s width from top to bottom is about 245 mm and 150 mm,the average depth 145 mm,straw rate in the ditch over 82%.【Conclusion】The ditch performance of the integrated harvester is reliable,basically meeting the agronomic requirements. |
| Key words: rice-wheat combined harvester with ditching and grass-filling agricultural machinery structure design performance improvement |
