一种基于电阻应变片的发动机悬置传递力测试研究  

Research on Test Method of Engine Mount Force Based on Resistance Strain Gauge

作　　者：王楷焱 王灵犀[1] 任晓雪[2] 张宏远[1] WANG Kai-yan;WANG Ling-xi;REN Xiao-xue;ZHANG Hong-yuan(School of Automobile and Transportation,Shenyang Ligong University,Shenyang 110159;Department of Logistics Management,Liaoning Provincial College of Communications,Shenyang 110122,Liaoning Province)

机构地区：[1]沈阳理工大学汽车与交通学院,辽宁沈阳110159 [2]辽宁省交通高等专科学校物流管理系,辽宁沈阳110122

出　　处：《沈阳工程学院学报（自然科学版）》2021年第2期79-83,91,共6页Journal of Shenyang Institute of Engineering:Natural Science

基　　金：辽宁省自然科学基金指导计划项目(20180550710);中国博士后科学基金资助项目(2019M651147);辽宁省博士科研启动基金资助项目(2020-BS-156)。

摘　　要：发动机悬置系统的传递力可以对悬置系统的隔振性能进行有效评价。针对悬置传递力在试验中难以获取的问题,以电阻应变片为敏感元件,制作了一款适用于发动机悬置的测力传感器,并搭建了相应的测试系统。使用底盘测功机在整车条件下对传感器进行了标定,得到了悬置传递力和传感器测试信号的比例关系。在整车定置和道路试验工况下进行测试,获得了悬置传递力的有效测试结果。结果表明,该测试方法和测力传感器具有较好的创新性,为悬置力的测试提供了一个新的方法和途径。The Engine mount force can effectively evaluate the vibration isolation performance of engine mounting system.Aiming at the problem that the mount force is difficult to be obtained in the test,a force sensor which is suitable for the engine mount is made by using resistance strain gauge as the sensitive element,and the corresponding test system is built too.The sensor is calibrated under the complete vehicle by using the chassis dynamometer.The proportional relationship between the engine mount force and the test signal of the sensor is obtained.The effective test results of engine mount force are obtained through the test carried out under vehicle idle and road test.The test results show that the test method and sensor design have good innovation and provides a reference for the test of mounting force.

关 键 词：发动机悬置 隔振 悬置力 电阻应变片 

分 类 号：U464.13[机械工程—车辆工程]