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全橢圓齒輪行星系液態(tài)肥深施機(jī)構(gòu)優(yōu)化設(shè)計與試驗
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國家自然科學(xué)基金資助項目（50875043）和高等學(xué)校博士學(xué)科點專項科研基金資助項目（20102325110002）


Optimization Design and Experiment of Liquid-fertilizer Applying Deep-fertilization Mechanism for Planetary Elliptic Gears
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    摘要:

    為滿足液態(tài)施肥機(jī)工作過程中作業(yè)效率高、運轉(zhuǎn)平穩(wěn)的要求，設(shè)計了一種全橢圓齒輪傳動的液態(tài)肥深施機(jī)構(gòu)。建立了該機(jī)構(gòu)運動學(xué)模型，通過理論推導(dǎo)對機(jī)構(gòu)進(jìn)行運動學(xué)分析。優(yōu)化液態(tài)肥流動路線，對機(jī)構(gòu)進(jìn)行防纏繞設(shè)計。進(jìn)行試驗臺試驗，應(yīng)用Design-Expert 6.0.1軟件進(jìn)行數(shù)據(jù)處理，確定了機(jī)構(gòu)最佳工作參數(shù)為：液泵壓力0.47MPa、噴肥針孔直徑3.0mm和行星架轉(zhuǎn)速40r/min，此時施肥量20mL/次，施肥損失率3. 2%。試驗表明該機(jī)構(gòu)運轉(zhuǎn)平穩(wěn)、機(jī)構(gòu)之間無干涉，液態(tài)肥流動管路密封可靠，液態(tài)肥輸送順暢。

    Abstract:

    To satisfy the requirements of high working efficiency and smooth operation of liquid-fertilizer applicator, a kind of transmission mechanism with planetary elliptic gears was designed for deep-fertilization of liquid fertilizer. The analysis model of this mechanism was established. Its kinematic model was accomplished by means of theoretical derivation. Optimization design on the flow route of liquid fertilizer was conducted by employing the method of anti-twisting design of the mechanism. Finally, the mechanism was tested on the test-bed. After the data processing by using Design-Expert 6.0.1 software, the optimum working parameters were determined, which the working pressure of liquid pump is 0.47 MPa, the rotating rate of planetary frame is 40 r/min, therefore, the fertilizer volume is 20 mL at a time, and fertilizer loss rate is 3.2%. Observation from the test showed that, the mechanism ran smoothly with no interference, the liquid fertilizer transmitted smoothly characterized by reliable seal, which met the requirement of the design. 

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王金武,劉亞華,王金峰,何劍南.全橢圓齒輪行星系液態(tài)肥深施機(jī)構(gòu)優(yōu)化設(shè)計與試驗[J].農(nóng)業(yè)機(jī)械學(xué)報,2012,43(10):60-65,59. Wang Jinwu, Liu Yahua, Wang Jinfeng, He Jiannan. Optimization Design and Experiment of Liquid-fertilizer Applying Deep-fertilization Mechanism for Planetary Elliptic Gears[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(10):60-65,59.

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  • 在線發(fā)布日期: 2012-10-19
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