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对汽车后桥主减速器典型工况下的动力学进行了仿真分析。以某厂汽车后驱动桥为研究对象,完成实体模型创建并导入到MSC-Adams中建立后桥刚体虚拟样机模型,并结合该车后桥的具体工作情况,选取符合驱动桥传动的碰撞接触参数、约束和负载,完成了在打滑或冰面、转弯、直线倒车等工况下的动力学仿真分析。为在设计阶段实现降低车辆后桥主减速器的振动,进一步对驱动桥的振动特性的研究和优化设计,提供技术支持。
The dynamics of rear axle final drive under typical working conditions is simulated. Taking the rear axle of a factory automobile as the research object, the physical model was created and imported into MSC-Adams to build a virtual prototype model of rear axle rigid body. Combined with the specific work of rear axle of the vehicle, the collision contact parameters , Restraint and load, completed the dynamic simulation analysis under the conditions of slipping or ice, turning, straight reversing and other conditions. In order to reduce the vibration of the rear derailleur at the design stage and to further study and optimize the design of the vibration characteristics of the transaxle, technical support is provided.