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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (1): 94-101    DOI: 10.3785/j.issn.1008973X.2013.01.014
机械与能源工程     
基于串联式轴向柱塞泵转位角降噪方法仿真
徐兵, 张军辉, 杨华勇, 叶绍干
浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027
Simulation on noise reduction of tandem axial piston pump
utilizing indexing angle
XU Bing, ZHANG Jun-hui, YANG Hua-yong, YE Shao-gan
State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China
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摘要：

 提出基于串联式轴向柱塞泵转位角的降噪方案.建立轴向柱塞泵理论模型以分析轴向柱塞泵噪声的产生机理,对比仿真结果和从流量脉动测试试验台测试得到的实验结果,表明理论模型具有高精度.分析转位角对轴向柱塞泵出口流量脉动率、出口流量及斜盘转矩脉动幅值的影响.通过优化转位角,使其降低轴向柱塞泵噪声激振源强度达到效果最佳.分析轴向柱塞泵负载压力和工作转速对基于串联式轴向柱塞泵转位角的降噪效果的影响.研究结果表明,由于2个转子结构的激振源波形具有固定相位差,在波形叠加时产生平均效应,与同排量传统单轴向柱塞泵相比,具有转位角的串联式轴向柱塞泵的出口流量脉动降低55%以上、斜盘转矩脉动降低65%以上,且降噪效果受工作参数的影响相对较小.在激振源强度大幅度降低的同时,轴向柱塞泵的功率密度基本上不受影响.
Abstract:

 A noise reduction method of tandem axial piston pump utilizing indexing angle was proposed. A theoretical model of axial piston pump was conducted in order to analyze the theory on occurrence of noise excitation source. The comparison between simulation results and experimental results based on the test rig for measurement of flow ripple of axial piston pump showed that the mathematical model had high accuracy. Then the influences of indexing angle on the fluctuation rate and amplitude of out flow and torque applied on swash plate were investigated. The indexing angle was optimized to decrease the amplitude of excitation source to the greatest extent. The influences of load pressure and rotation speed of axial piston pump on the noise reduction effect of indexing angle were analyzed. Results indicated that the fluctuation rates of out flow and torque applied on swash plate were reduced respectively by more than 55% and 65% because of the superposition of waves that had a certain phase difference. The noise reduction effect was less sensitive to the operating parameters of pump. The power ratio of axial piston pump was not reduced meanwhile the noise excitation source was reduced.
出版日期: 2013-01-01
:  TH 137.5  
基金资助:

国家自然科学基金资助项目(51075360)；教育部博士点基金资助项目(20090101110041)；国家“十一五”科技支撑计划资助项目(2011BAF09B03).
作者简介: 徐兵（1971-），男，教授，博导，从事机电液控制及流体动力元件与系统的研究. E-mail: bxu@zju.edu.cn
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引用本文:

徐兵, 张军辉, 杨华勇, 叶绍干. 基于串联式轴向柱塞泵转位角降噪方法仿真[J]. J4, 2013, 47(1): 94-101.

XU Bing, ZHANG Jun-hui, YANG Hua-yong, YE Shao-gan. Simulation on noise reduction of tandem axial piston pump
utilizing indexing angle. J4, 2013, 47(1): 94-101.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008973X.2013.01.014    或    http://www.zjujournals.com/eng/CN/Y2013/V47/I1/94

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