GB/T 34887—2017《液压传动马达噪声测定规范》的修订建议  

Revision Suggestions for GB/T 34887-2017 Hydraulic fluid power–Test code for the determination of noise level of hydraulic motors

作　　者：郑智剑 翟震宇 贺梁 ZHENG Zhi-jian;ZHAI Zhen-yu;HE Liang(Ningbo Academy of Product and Food Quality Inspection,Ningbo Fiber Inspection Institute;Ningbo Institute of Standardization Research;National Intelligent Manufacturing Equipment Product Quality Supervision and Inspection Center,Zhejiang)

机构地区：[1]宁波市产品食品质量检验研究院(宁波市纤维检验所) [2]宁波市标准化研究院 [3]国家智能制造装备产品质量监督检验中心(浙江)

出　　处：《标准科学》2025年第4期100-105,共6页Standard Science

基　　金：宁波市青年科技创新领军人才项目“大功率液压马达机械健康状态智能化识别及可靠性评价”(项目编号:2023QL025);浙江省市场监管局重点科研项目“高功率大扭矩径向柱塞马达关键技术研发及产业化”(项目编号:ZD2025017)资助。

摘　　要：【目的】对现行国家标准GB/T 34887—2017《液压传动马达噪声测定规范》提出修订建议。【方法】修订方法如下:补充与更新术语和定义;引入平行六面体测量面的试验环境;新增半球测量面上的附加噪声测量点;修正A计权平均声压级和声功率级的计算公式;更新测量仪器允许的系统误差表;重新给出背景噪声的修正值。【结果】上述修订可解决现行标准中术语定义欠完善、数据采集方法不明确等问题,扩大了标准的适用范围,提高了测量的准确度,提升了测试结果的可靠性和一致性。【结论】标准的修订可更好地指导低噪声液压马达的设计、制造和应用,推动行业的绿色、可持续发展。[Objective]This study proposes revisions to the national standard GB/T 34887-2017,Hydraulic fluid power–Test code for the determination of noise level of hydraulic motors.[Methods]The proposed revisions include:updating terminology and definitions;introducing a cuboid measurement surface test environment;adding supplementary noise measurement points on a hemispherical measurement surface;correcting formulas for A-weighted average sound pressure level and sound power level;updating the permissible system error specifications for measuring instruments;and re-evaluating background noise correction values.[Results]The results show that these revisions address problems such as deficiencies in terminology definitions and ambiguities in data collection methods in the current standard.They broaden the standard’s scope of application,enhance measurement accuracy,and improve the reliability and consistency of test results.[Conclusion]The revision of the standard will provide clearer guidance for the design,manufacturing,and application of low-noise hydraulic motors,contributing to the industry’s green and sustainable development.

关 键 词：液压马达 噪声测定 半球测量面 平行六面体测量面 声压级 声功率级 

分 类 号：TH137.51[机械工程—机械制造及自动化]