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偏心鏈輪傳動機(jī)構(gòu)的運(yùn)動學(xué)分析及參數(shù)優(yōu)化
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and Parameter Optimization of Eccentric Sprockets Transmission Mechanism
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    摘要:

    針對偏心鏈輪傳動機(jī)構(gòu)工作過程中鏈條松緊變化大的問題設(shè)計了偏心張緊輪。通過優(yōu)化張緊輪的轉(zhuǎn)動中心位置、偏心量和初始角位移，使鏈條在周期中始終處于張緊狀態(tài)。利用微分對該傳動機(jī)構(gòu)進(jìn)行了運(yùn)動學(xué)分析，列出了主、從鏈輪角位移關(guān)系的求解方程，并以此為基礎(chǔ)，進(jìn)行了傳動系統(tǒng)的運(yùn)動學(xué)分析和張緊輪的輪心坐標(biāo)、初始相位角和偏心量的優(yōu)化計算，其目標(biāo)是在周期中使鏈條松緊波動最小。列出了優(yōu)化實(shí)例，在優(yōu)化過程中考慮了鏈節(jié)長度的非連續(xù)性。

    Abstract:

    Aiming at the large fluctuation for chains length of two eccentric sprockets transmission mechanism at work, an eccentric tensional sprocket was set. The chains were always in tension through the optimized revolving center, eccentricity and initiatory phasic angle of the eccentric tensional sprocket. By kinematics analysis with differential equation, the relation equation of angle displacement between the main sprockets wheel and subordinate sprockets was obtained. Then, the optimization calculation for the position of rotary center, initiatory phasic angle and eccentricity of the tensional sprocket was accomplished, with a view of the minimal degree of tightness fluctuate of chain. An optimizing example was present. Furthermore, the consideration for the non-continuity of chain length was taken into in optimization. 

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代麗,趙雄,趙勻.偏心鏈輪傳動機(jī)構(gòu)的運(yùn)動學(xué)分析及參數(shù)優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報,2009,40(12):233-236. and Parameter Optimization of Eccentric Sprockets Transmission Mechanism[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(12):233-236.

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