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液壓電機葉片泵樣機的性能試驗
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Performance Test of the Prototype of Electric Motor Pump
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    摘要:

    針對研制出的液壓電機葉片泵樣機,，建立了電機泵性能試驗系統(tǒng)，獲得了樣機的輸入電量參數(shù)、輸出液壓能參數(shù)及內(nèi)部轉(zhuǎn)子轉(zhuǎn)速和殼體內(nèi)部壓力等參數(shù),，得到了液壓電機葉片泵樣機的轉(zhuǎn)子轉(zhuǎn)速,、噪聲,、功率和效率等隨輸出壓力變化的特性,，并與同等功率液壓電機油泵組的試驗結(jié)果進行了對比,。與電機油泵組相比,，電機葉片泵樣機的體積減小50%,、軸向尺寸減小61%，噪聲降低約7 dB,，液壓電機葉片泵內(nèi)部轉(zhuǎn)子轉(zhuǎn)速隨輸出壓力升高而明顯下降,；同時，試驗也發(fā)現(xiàn)樣機存在內(nèi)部流道狹窄引起的氣泡析出和內(nèi)部密封不良引起額外泄漏的問題,，提出了相應(yīng)的解決方法,，為電機泵的后續(xù)優(yōu)化及工業(yè)化提供了參考依據(jù)。

    Abstract:

    An experimental system was established for the performance test of the developed prototype of electric motor pump. The parameters consisting of the electric power input, hydraulic power output, rotor speed and internal pressure in the electric motor pump were measured. The characteristic of the rotor speed, noise, power and efficiency changing with the outlet pressure of the prototype was obtained. Compared with the traditional hydraulic power unit which has the same power as the prototype, the volume of the prototype was reduced by 50%, the dimension in axial direction shortened 61% and the noise level lowered 7dB, and the speed of rotor in the prototype decreased apparently with the increased of the output pressure. Furthermore, the bubble separation as a result of the narrow channels and the extra leakage due to the ineffectual seal in the prototype were discussed, and the corresponding solutions were proposed. 

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冀宏,李志峰,王崢嶸,王建森,蘭博杰.液壓電機葉片泵樣機的性能試驗[J].農(nóng)業(yè)機械學報,2010,41(11):48-51. Performance Test of the Prototype of Electric Motor Pump[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(11):48-51.

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