1.吉利汽车研究院(宁波)有限公司, 浙江 宁波 315336
张军(1976— ),男,四川华蓥人,博士,正高级工程师;主要研究方向为汽车NVH性能开发。
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张军,鲍勇仲,储胜祥等.低速转向行驶的差速器异响测试分析及优化[J].机械传动,2022,46(09):126-131.
Zhang Jun,Bao Yongzhong,Chu Shengxiang,et al.Analysis and Optimization of Differential Abnormal Noise Tests for Low Speed Steering[J].Journal of Mechanical Transmission,2022,46(09):126-131.
张军,鲍勇仲,储胜祥等.低速转向行驶的差速器异响测试分析及优化[J].机械传动,2022,46(09):126-131. DOI: 10.16578/j.issn.1004.2539.2022.09.017.
Zhang Jun,Bao Yongzhong,Chu Shengxiang,et al.Analysis and Optimization of Differential Abnormal Noise Tests for Low Speed Steering[J].Journal of Mechanical Transmission,2022,46(09):126-131. DOI: 10.16578/j.issn.1004.2539.2022.09.017.
差速器是汽车传动系统的重要传动部件之一,其故障模式的分析与控制一直是汽车行业内关注的热点。以某搭载紧凑型轿车的低速行驶转弯异响为背景,系统阐述了问题分析与排查过程,通过差速器性能台架实现了异响问题的复现,结合故障零部件的解析,提出了差速器异响问题的潜在机理和解决思路。通过行星轴定位装配方式和加工工艺的优化,准确有效地消除了该车型差速器的异响,这对于整车瞬态工况下传动系统NVH(Noise、Vibration、Harshness)与异响问题的解决排查,具有一定的工程指导价值。
Differential is one of the important parts of automobile transmission system. The analysis of its fault mode and the control of it have always been the focus in the automotive industry. Thus, an analysis and investigation process of the abnormal noise problem is systematically expounded based on a CVT sedan low-speed steering condition. The reproduction of the abnormal noise problem is realized through the differential performance bench. Combined with the disassembly analysis of the fault parts, the potential mechanism and solution of differential abnormal sound problem are proposed. Through the optimization of planetary shaft positioning assembly method and processing technology, the abnormal sound of the differential of the vehicle is accurately and effectively eliminated, which has certain engineering guidance value for the solution and investigation of NVH(Noise, Vibration, Harshness) and abnormal sound problems of the transmission system under transient working conditions of the vehicle.
差速器异响行星齿轮半轴齿轮行星齿轮轴
DifferentialAbnormal noisePlanetary gearAxle shaft gearPlanetary gear shaft
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