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胡蘿卜纓果拉拽式分離裝置設(shè)計(jì)與試驗(yàn)
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國(guó)家自然科學(xué)基金項(xiàng)目(51675486、51805487)和紹興市公益性技術(shù)應(yīng)用研究計(jì)劃項(xiàng)目(2017B70076)


Design and Experiment on Pull Type of Tassel Fruit Separation for Carrot
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    為了獲得胡蘿卜纓果拉拽式分離裝置最優(yōu)設(shè)計(jì)參數(shù),以獲取最佳分離效果,建立了拉拽式纓果分離裝置運(yùn)動(dòng)學(xué)模型,定性分析了相關(guān)參數(shù)對(duì)拉拽桿運(yùn)動(dòng)學(xué)特性的影響。設(shè)計(jì)了胡蘿卜纓果拉拽式分離試驗(yàn)臺(tái)并進(jìn)行了纓果分離正交試驗(yàn),經(jīng)分析發(fā)現(xiàn)拉拽桿的轉(zhuǎn)速對(duì)胡蘿卜纓果分離效果影響最大,拉拽桿與輸送帶的夾角對(duì)胡蘿卜纓果分離效果的影響顯著;同時(shí)得到了胡蘿卜纓果分離裝置的最佳參數(shù)組合:拉拽桿轉(zhuǎn)速為200r/min、輸送帶線速度為1.2m/s、拉拽桿與輸送帶夾角為40°,此時(shí)纓果分離的一致性為97%,成功率為94%,損傷率為7.7%。

    Abstract:

    Separating carrot tassel from fruit by pulling can meet the requirement of tassel fruit separation better. In order to provide design parameters for pull type carrot tassel fruit separation device, and obtain the best separation effect, the influence of related parameters on the pull rod kinematics characteristics should be analyzed qualitatively. To analyze the influence of relevant parameters on the kinematic characteristics of pull rod accurately, the kinematics model of pulling device type tassel fruit separation should be established. To verify the correctness of the previous theoretical analysis, the pull type carrot tassel fruit separation test device was designed. Then a series of orthogonal tests were carried out to explore the factors that affecting the effect of tassel fruit separation. In the orthogonal testing, the pull rod speed, belt line speed and the angle between pull rod and conveyer belt were test factors. The comparison between the results of test and theoretical analysis showed that the pull rod speed had the biggest influence on carrot tassel fruit separation effect, and angle between pull rod and conveyer belt also had significant effects on carrot tassel fruit separation effect. At the same time, the best combination of parameters in carrot tassel fruit separating device was obtained as follows: pull rod speed was 200r/min, belt line speed was 1.2m/s, and angle between pull rod and conveyer belt was 40°. The results showed that the concordance rate in the tassel fruit separation was 97%, the success rate was 94%, and the injury rate was 7.7%.

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曾功俊,陳建能,夏旭東,葉軍.胡蘿卜纓果拉拽式分離裝置設(shè)計(jì)與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2018,49(10):73-79. ZENG Gongjun, CHEN Jianneng, XIA Xudong, YE Jun. Design and Experiment on Pull Type of Tassel Fruit Separation for Carrot[J]. Transactions of the Chinese Society for Agricultural Machinery,2018,49(10):73-79.

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  • 收稿日期:2018-01-06
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  • 在線發(fā)布日期: 2018-10-10
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