基于ADAMS的拨指链式扶蔗装置的虚拟试验
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国家“十一五”科技支撑计划资助项目(2006BAD11A07-2);国家自然科学基金项目(50875091);广东省科技厅科技攻关项目(2007A020300010-2);农业科技成果转化基金项目(2008GB2E000235)


Virtual test on the finger-chain type sugarcane-lifter based on ADAMS
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    摘要:

    针对整秆式甘蔗收割机收割倒伏严重的甘蔗时出现堵塞,收割不畅的情况,设计了拨指链式扶蔗装置,以便对甘蔗进行有效的扶起,达到顺利收割的目的。应用动力学仿真软件ADAMS建立了甘蔗—拨指链式扶蔗装置虚拟样机模型。通过虚拟正交试验和虚拟双因素试验研究了扶蔗器的结构参数和运动参数对扶蔗效果的影响规律,并在此基础上进行了实验室台架试验以验证虚拟试验的结论。结果表明:在虚拟试验中,甘蔗最终扶起倒伏角随着下链轮转速的增加而增加,随着前进速度的增加而减小,呈线性关系。在台架试验中下链轮转速和机车前进速度对甘蔗最终扶起角度的影响数值结果略有差异,但各因素对扶蔗效果的影响趋势是一致的,证明虚拟试验的结论在给定条件下是可用的。

    Abstract:

    The author designed a finger-chain type sugarcane-lifter in order to solve the problem that the sugarcane harvester does not work well when the sugarcane lodges seriously. The model of sugarcane and finger-chain type sugarcane-lifter virtual prototype was established by using the dynamic simulation software—ADAMS. The regularities of effect of structural parameters and motion parameters on sugar-lifting were studied through virtual orthogonal tests and virtual two-factor tests. Meanwhile the real tests in the lab were undertaken to verify the conclusions of virtual tests. The results showed that in the virtual tests the sugarcane final lift-angle increased with wheel speed increasing or decreased with lifter forward speed increasing linearly. The relations between sugarcane final lift-angle and forward speed or wheel speed show a slight difference between virtual tests and real ones, however, the trends of the regularities between all factors and sugarcane-lifting, are similar. It showed that the conclusions of virtual tests were reliable.

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张 杨,区颖刚,牟向伟.基于ADAMS的拨指链式扶蔗装置的虚拟试验[J].农业工程学报,2009,25(7):88-93.

Zhang Yang, Ou Yinggang, Mou Xiangwei. Virtual test on the finger-chain type sugarcane-lifter based on ADAMS[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE),2009,25(7):88-93.

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  • 收稿日期:2008-08-18
  • 最后修改日期:2009-02-18
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