摘要
针对液压泵新产品NVH测试中出现的异常高频压力脉动成分,通过液压泵压力脉动理论和被测泵试验台仿真模型分析问题成因。利用AMESim的批处理分析工具,分析测压口细长管道参数的影响,对试验测试方案进行优化,发现高频脉动成分比泵口基础频谱成分高3至4阶次。新方案排除了测压管道干扰,测试结果更符合理论模型,分析的测压管道参数影响也可对改善后续产品NVH特性提供帮助。
Aiming at the abnormal high frequency pressure pulsation components in the NVH test of new hydraulic pump products,the causes of the problems are analyzed by the pressure pulsation theory of hydraulic pump and the simulation model of the pump test bench.Using AMESim batch analysis tool,the influence of the slender pipe parameters of the pressure measuring port was analyzed,and the test scheme was optimized.It was found that the high-frequency pulsation component was 3 to 4 orders higher than the basic spectrum component of the pump port.The new scheme eliminates the interference of pressure measuring pipeline,and the test results are more in line with the theoretical model.The influence of pressure measuring pipeline parameters analyzed can also help to improve the NVH characteristics of subsequent products.
作者
杨飞
董致新
孙光明
YANG Fei;DONG Zhi-xin;SUN Guang-ming(Linde Hydraulics(China)Co.,Ltd.,Weifang 261061;Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of Education and Shanxi Province,Taiyuan University of Technology,Taiyuan 030024,China)
出处
《液压气动与密封》
2023年第9期65-68,共4页
Hydraulics Pneumatics & Seals
基金
国家重点研发计划(2020YFB2007103)。
