通用GF9自动变速器传动分析  

Transmission Analysis of SAIC-GM GF9 Multi-speed CR-CR Planetary Gear Row

作　　者：徐美滟 Xu Mei-yan(Wuhan Technical College of Communications,Wuhan 430065,China)

机构地区：[1]武汉交通职业学院,湖北武汉430065

出　　处：《内燃机与配件》2023年第16期45-47,共3页Internal Combustion Engine & Parts

基　　金：湖北省职业技术教育学会重点课题:将“杠杆法”引入《汽车底盘电控系统检修》课程教学的研究(课题编号ZJGA201921);厅级课题《基于51020现代产业体系的高职智能网联汽车专业发展研究》(HBZJ2022182);校级课题《基于汽车技术服务与营销专业岗位需求的〈汽车构造〉课程改革与实践》(Y2022009)。

摘　　要：自动变速器的传动研究,是汽车自动变速器维修和故障诊断的一个重点、难点。主要涉及电磁阀、换挡传动机构和换挡执行机构的相互作用。基于上汽通用GF9自动变速器,采用公式法和杠杆法分析各档位的传动比、传动路线、控制策略,直观展示AT自动变速器CR-CR行星齿轮机构的传动特点,总结出CR-CR行星齿轮机构反作用叠加力矩的特点,以及邻近控制单一变动的设计原则。为多档位AT自动变速器设计、CR-CR行星齿轮机构分析,以及汽车自动变速器设计研究及维修从业人员提供参考。The transmission research of automatic transmission is a key and difficult point in the maintenance and fault diagnosis of automobile automatic transmission.It mainly involves the interaction of solenoid valve,shift transmission mechanism and shift actuator.Based on SAIC-GM GF9 automatic transmission,the formula method and the lever method are used to compare and analyze the transmission ratio,transmission route and control strategy of each gear.Through the lever method,the transmission characteristics of the CR-CR planetary gear mechanism of the AT automatic transmission are visually displayed.The characteristics of the reaction superposition torque of the CR-CR planetary gear mechanism and the design principle of the adjacent control single change are presented.It provides reference for multi-speed AT automatic transmission design,CR-CR planetary gear mechanism analysis,and automotive automatic transmission design research and maintenance practitioners.

关 键 词：通用GF9 自动变速器 CR-CR 行星齿轮机构 速度图解法 AT变速器设计 

分 类 号：U461.4[机械工程—车辆工程]