一种半车滚动台假车体优化仿真  

Optimization Simulation for A Fake Car-Body of Half-Car Roller Testing Rig

作　　者：邓学晖[1] 陈国锋[1] 

机构地区：[1]中车长春轨道客车股份有限公司,吉林长春130062

出　　处：《大连交通大学学报》2016年第6期112-116,共5页Journal of Dalian Jiaotong University

摘　　要：为了指导转向架半车滚动试验台的设计工作,建立半车滚动台的刚体动力学模型和刚柔耦合动力学模型.计算了不同模型不同状态下的临界速度,分析了滑动摩擦、拉杆刚度、车体刚度对半车体试验台临界速度的影响,并且给出了试验台的优化设计方案.计算表明:对于半车体试验台,为达到高的临界速度,配重块应予以固定,半车体最好采用单侧约束,拉杆刚度和假车体刚度要足够大,拉杆应避免采用螺栓连接.In order to guide the design work for bogie half-car roller testing rig, rigid dynamics models and rig-id-flexible coupling dynamics model are built. The critical speed for different cases and different models are calculated, influences of slip friction, drawbar stiffness, car-body stiffness on critical speed are analyzed, and the optimized design scheme is also given. Results indicates that in order to have high critical speed, the addi-tional weight should be fixed on the car- body, the half car body should better be one-side constrained, the stiffness of drawbar and car-body should be large enough and bolts link-up for drawbar should be avoid.

关 键 词：滚动试验台 半车体模型 车辆动力学 临界速度 

分 类 号：U270.14[机械工程—车辆工程]