油液粘度變化對球塞泵球塞副泄漏量的影響

doi:10.3969/j.issn.1000-1298.[year].[issue].[sequence]

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油液粘度變化對球塞泵球塞副泄漏量的影響
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                        10.3969/j.issn.1000-1298.[year].4.[sequence]
                    
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摘要:

推導了變粘度條件下球活塞與缸筒偏心時,，球活塞式液壓泵球塞副泄漏量的計算公式,，并將此結果與假定油液粘度為常數(shù)時的結果進行了對比，得出了球塞副的泄漏流量不僅與球活塞與旋轉缸體缸筒間隙、工作油液的壓力以及缸體轉速有關,，而且還與油液的粘溫系數(shù),、粘壓系數(shù),、密度和比熱容等有關的結論,，分析了上述各因素對球塞副泄漏量的影響。為設計高效球活塞式液壓泵提供了理論依據(jù),，同時為高功率密度球活塞式液壓元件的深入研究打下了基礎,。

Abstract:

The formula of ball piston pair's leakage in ball piston pump was gained under the condition of variable viscosity when ball piston was eccentric with cylinder block. The result has been compared with the one that got under the condition of supposing oil viscosity be constant. The conclusion was educed, with which the leakage of ball piston pair depended not only on clearance between ball piston and rotary cylinder block, pressure of working oil and speed of cylinder block, but also on the viscosity-temperature coefficient, viscosity-pressure coefficient, density and specific heat capacity of working oil. The influence of those factors on leakage of ball piston pair has been analyzed.

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苑士華,張心俊,胡紀濱.油液粘度變化對球塞泵球塞副泄漏量的影響[J].農(nóng)業(yè)機械學報,2007,38(4):135-137.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(4):135-137.

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