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蔬菜缽苗旋轉(zhuǎn)式取苗機(jī)構(gòu)動(dòng)力學(xué)分析與試驗(yàn)
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國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）資助項(xiàng)目（2012AA10A504）,、國家自然科學(xué)基金資助項(xiàng)目（51175477）,、浙江省自然科學(xué)基金資助項(xiàng)目（Y1110691）,、浙江理工大學(xué)“521人才培養(yǎng)計(jì)劃”資助項(xiàng)目和浙江理工大學(xué)科研創(chuàng)新團(tuán)隊(duì)專項(xiàng)資助項(xiàng)目


Dynamics Analysis and Test of Rotary Pick-up Mechanism for Vegetable Pot-seedling
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    摘要:

    針對(duì)一種應(yīng)用于蔬菜缽苗全自動(dòng)移栽機(jī)的旋轉(zhuǎn)式取苗機(jī)構(gòu)——偏心齒輪-非圓齒輪行星系取苗機(jī)構(gòu)，建立機(jī)構(gòu)的動(dòng)力學(xué)模型,，采用動(dòng)力學(xué)方程組序列求解法進(jìn)行求解,，得到機(jī)構(gòu)在一個(gè)工作周期內(nèi)鏈條、太陽輪軸心,、中間輪軸心,、行星輪軸心,、太陽輪與中間輪嚙合點(diǎn)、中間輪與行星輪嚙合點(diǎn)等處的受力隨行星架轉(zhuǎn)角變化的規(guī)律,。設(shè)計(jì)了機(jī)構(gòu)的物理樣機(jī),，開展機(jī)構(gòu)動(dòng)力學(xué)試驗(yàn)，測試得到機(jī)構(gòu)物理樣機(jī)在4種不同工作轉(zhuǎn)速下的動(dòng)力學(xué)特性,，同時(shí)驗(yàn)證了機(jī)構(gòu)動(dòng)力學(xué)模型的正確性,。

    Abstract:

    An automatic rotary seedling pick-up mechanism used in vegetable pot-seedling transplanter, planetary gear train with eccentric gear and non-circular gear, is taken as the research object to build dynamics model. The dynamics sequence-solution method was used for solving the dynamics model. Then the variation law of force between the rotary angle of planetary carrier and various positions of the mechanism in a working cycle was obtained. The positions included chain, axle center of the sun gear, axle center of middle gears, axle center of planetary gears, meshing point between the sun gear and middle gear, meshing point between the middle gear and planetary gear. Physical prototype of the seedling pick-up mechanism was designed. Dynamics bench test was carried out to investigate dynamics characteristics of the physical prototype under four different rotary speeds, while correctness of dynamics model was verified.

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葉秉良,李麗,俞高紅,劉安,趙勻.蔬菜缽苗旋轉(zhuǎn)式取苗機(jī)構(gòu)動(dòng)力學(xué)分析與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(6):70-78. Ye Bingliang, Li Li, Yu Gaohong, Liu An, Zhao Yun. Dynamics Analysis and Test of Rotary Pick-up Mechanism for Vegetable Pot-seedling[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(6):70-78.

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  • 收稿日期:2014-01-28
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  • 在線發(fā)布日期: 2014-06-10
  • 出版日期: 2014-06-10
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