铁水包车多轴转向机构运动学分析与优化  

Analysis and Optimal Design of Kinematics for Multi-Steering System of Hydraulic Conveyance Vehicle

作　　者：张卫东[1] 莫旭辉[2] 彭劲松 

机构地区：[1]中南大学机电工程学院,湖南长沙410083 [2]湖南大学机械与汽车工程学院,湖南长沙410082 [3]长沙凯瑞重工机械有限公司,湖南长沙410013

出　　处：《计算机仿真》2008年第9期268-271,共4页Computer Simulation

摘　　要：多轴转向车辆转向机构必须协调各转向轮转角,以满足阿克曼转向原理,才能减少轮胎磨损,提高转向性能。建立了液压平板铁水包车多轴转向机构的运动学分析模型,对转向机构进行了运动学分析,分析结果表明该转向机构与阿克曼原理偏差较大。根据阿克曼转向原理和梯形转向机构特点,提出了改进的多轴转向机构方案,新的转向机构优化仿真结果表明,方案能够更好的协调转向轮转角,降低轮胎磨损,改进的转向机构比原转向机构方案能够更好的满足转向原理,结构更加简单。In order to decrease tire wear and improve steering performance,steering tire should be adjusted by multi-steering system to content with Ackerman principle.The kinematics model of metal hydraulic conveyance vehicle with multi-steering system is built in this article,and the optimal design is presented after the kinematics analyses.The result of analyses have some error contrast with Ackerman principle.A new multi-steering system is contrived based on Ackerman principle and trapezium-steering system.The result of new multi-steering system＇s analyses indicates that the improved steering system can decrease tire wear and improve steering performance,can better satisfy the Ackerman principle with simple structure.

关 键 词：多轴转向 优化设计 运动学 

分 类 号：U446[建筑科学—桥梁与隧道工程]