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斜軸式液壓變壓器效率特性分析
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Efficiency Characteristic of Angle Type Hydraulic Transformer
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    摘要:

    建立了斜軸式液壓變壓器的排量模型、流量模型、轉(zhuǎn)矩模型和效率模型,；在此基礎(chǔ)上，繪制了液壓變壓器的等效率曲線圖,，揭示了斜軸式液壓變壓器的效率特性。理論分析與試驗結(jié)果表明：斜軸式液壓變壓器在正常工作情況下理論總效率可達(dá)到70%左右,，而且高效區(qū)的范圍較寬,；液壓變壓器的總效率隨著負(fù)載口實際流量或缸體轉(zhuǎn)速的增加有先增大后減小的變化趨勢,，隨著負(fù)載口壓力或配流盤轉(zhuǎn)角的增加也呈先增大后減小的變化趨勢。

    Abstract:

    The mathematic models of displacement, flow, angular torque and efficiency about angle type hydraulic transformer were built respectively. Then, the efficiency hill of hydraulic transformer was drawn, and efficiency characteristic was revealed. The results of analysis and test show that the total efficiency of hydraulic transformer is above 70% in normal condition and the high efficiency range is wider. The total efficiency increase first and decrease afterwards with the increment of flow of load circuit or rotational speed, and presents the same change tendency with the increment of pressure of load circuit or rotation angle of valve plate.

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荊崇波,魏超,李雪原,劉丁華.斜軸式液壓變壓器效率特性分析[J].農(nóng)業(yè)機(jī)械學(xué)報,2009,40(12):237-241. Efficiency Characteristic of Angle Type Hydraulic Transformer[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(12):237-241.

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