BSC赛车转向系统的设计及优化  

Design and Optimization of Steering System for BSC Racing Cars

作　　者：宁太宇 陈继飞[1] 刘学渊[1] NING Tai-yu;CHEN Ji-fei;LIU Xue-yuan(School of Machinery and Transportation,Southwest Forestry University,Kunming Yunnan 650224,China)

机构地区：[1]西南林业大学机械与交通学院,云南昆明650224

出　　处：《林业机械与木工设备》2021年第6期65-70,共6页Forestry Machinery & Woodworking Equipment

基　　金：国家级大学生创新创业训练计划项目(202010677164)。

摘　　要：BSC大赛成为全国普通高校和职业院校大学生的热点赛事,转向系统是任何车辆都不可或缺的组成部分,其结构优化设计需要充分考虑方向盘、转向器、转向轮的工作情况,满足人们的驾驶体验,要在充分保障驾驶安全的基础上确保车辆具有良好的操控性和舒适性。使用三维建模软件UG建立转向系统模型,进一步确定硬点坐标,在此基础上进入Adams/car中建立动力学仿真模型,并通过ansys进行有限元分析,对转向系统做出优化。通过优化设计转向系统,实际因变角与理论期望值的误差为1.918°,提高了转向精度;角传动比由6.35∶1变为6∶1,实现对赛车转向灵敏度要求;前轮前束角从-1.48°变为0.99°。BSC has become a hot event for college students in general colleges and universities and vocational colleges across China.In racing,a steering system is an indispensable part of any vehicle.The structural optimization design needs to fully consider the working conditions of the steering wheel,steering gear and directive wheels to meet people s driving experience.It is required to guarantee the good handling and comfort of vehicles on the basis of fully guaranteeing driving safety.Three-dimensional modeling software UG was used to establish a steering system model,with hard point coordinates further determined,based on which a dynamic simulation model was established in Adams/car,with finite element analysis performed through Ansys to optimize the steering system.By optimizing the design of the steering system,the error between the actual variable angle and the theoretical expected value was 1.918°,improving the steering accuracy,the angular transmission ratio changed from 6.35∶1 to 6∶1,realizing the steering sensitivity requirements forracing cars;the toe angle of the front wheels changed from-1.48°to 0.99°.

关 键 词：BSC赛车 转向系统 有限元分析 ADAMS/CAR 优化设计 

分 类 号：U463[机械工程—车辆工程]