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3自由度混聯(lián)振動篩設(shè)計
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國家自然科學(xué)基金資助項目（50875113）;江蘇省高校自然科學(xué)研究資助項目（11KJA46002）;江蘇高校優(yōu)勢學(xué)科建設(shè)工程資助項目（蘇財教（2011）8號）;江蘇省農(nóng)業(yè)裝備與智能化高技術(shù)研究重點實驗室資助項目（BM2009703）


Design of Three Degree of Freedom Hybrid Vibration Screen
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    摘要:

    基于并聯(lián)機(jī)構(gòu)的組成原理，設(shè)計了可用于顆粒物料分級的3自由度混聯(lián)振動篩。振動篩主要由篩箱、振動電動機(jī)、電動機(jī)固定座、彈簧、傾角調(diào)節(jié)裝置、支撐架、縱向振動鏈、橫向振動鏈和底座組成。所設(shè)計的3自由度混聯(lián)振動篩將篩箱的支撐和激振動功能分離，篩箱的支撐采用懸掛支撐方式；以全解耦型混聯(lián)機(jī)構(gòu)2PRRR—P(2R)為主體激振機(jī)構(gòu)，能實現(xiàn)篩箱沿X、Y、Z 3個方向的振動。試驗結(jié)果表明，該振動篩X、Y、Z向3個自由度的振動對分散性能平均提高了33.23%，而透篩性能平均提高了73.55%，對不同篩分物料的適應(yīng)性強(qiáng)。

    Abstract:

    Three degree of freedom hybrid vibration screen was designed to sort granular material based on the theory of parallel mechanism. The vibration screen composited of screen box, vibration motor, motor fixed seat, spring, angle adjusting device, support frame, longitudinal vibration chain, transverse vibration chain and base. The support and excitation function of screen box was separated. The support of screen box was suspension support. The main excitation mechanism was complete decoupling hybrid mechanism 2PRRR—P(2R) which could realize the three dimensional vibration of X, Y and Z of the screen box. Test results showed that the three dimensional vibration of X, Y and Z of the screen box improved the performance of dispersion function by 33.23% on average and the function of leaking screen by 73.55% on average. This vibration screen has the good adaptability to various materials.

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王成軍,李耀明,馬履中,張曉慶.3自由度混聯(lián)振動篩設(shè)計[J].農(nóng)業(yè)機(jī)械學(xué)報,2011,42(Z1):69-73. Wang Chengjun, Li Yaoming, Ma Lüzhong, Zhang Xiaoqing. Design of Three Degree of Freedom Hybrid Vibration Screen[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(Z1):69-73.

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