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組合式軸流裝置稻谷運(yùn)動(dòng)仿真及高速攝像驗(yàn)
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of the Rice Motion Model in Axial Threshing Device
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    摘要:

    根據(jù)運(yùn)動(dòng)學(xué)原理,，建立了螺旋葉片板齒組合式軸流裝置中稻谷的運(yùn)動(dòng)模型,。通過計(jì)算機(jī)仿真得到了谷物運(yùn)動(dòng)的切向速度,、軸向速度,、絕對速度隨時(shí)間的變化規(guī)律。谷物運(yùn)動(dòng)中的切向速度大于軸向速度,，切向速度是構(gòu)成絕對速度的主導(dǎo)因素,，并利用高速攝像進(jìn)行了驗(yàn)證，驗(yàn)證結(jié)果表明理論仿真結(jié)果與試驗(yàn)相一致,。

    Abstract:

    According to the fundamental of kinematic, a motion model of rice in the assembled plank-tooth and helical vanes axial flow threshing and separating device was established. Through computer simulating, the variable rule of grain tangential velocity, axial velocity, absolute velocity and time has been obtained. The results indicated that grain tangential velocity is greater than axial velocity, tangential velocity is the chief ingredient in the making of absolute velocity, through high-speed photography validating, the result indicated that the test according to those motion models agreed to the theory, and the analytic result laid a solid foundation for the development of the device.

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陶桂香,衣淑娟.組合式軸流裝置稻谷運(yùn)動(dòng)仿真及高速攝像驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(2):84-86. of the Rice Motion Model in Axial Threshing Device[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(2):84-86.

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