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《Transactions of the Chinese Society for Agricultural Machinery》 2011-02
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Calculation of Dynamic Axle-load of 4-axle Driven Vehicle Crossing Obstacle

Wei Daogao1 Ou Yinggang2 Yang Dantong2 Liu Qingting2(1.School of Mechanical and Automotive Engineering,Hefei University of Technology,Hefei 230009,China 2.Key Laboratory of Key Technology on Agricultural Machine and Equipment,Ministry of Education,South China Agricultural University,Guangzhou 510642,China)  
A 4-axle driven hill-terrain vehicle was made in China.To improve the vehicle fatigue strength and reliability,the dynamics models of 4 axle-load were founded when it crossing obstacle.According to the dynamics models,the axle-load distributions of the vehicle crossing obstacle were calculated when off-road adhesion coefficient φ is 0.1~1.0.The results showed its axle-load distributions had more different among 4-axle when the vehicle crossing obstacle,the distribution law was analyzed.The design of 4-axle different strength and improving the 4-axle strength was put forward.The paper provided a mathematic model for reliability design and optimizing distribution of torque when the hill-ground crossing obstacle.
【Fund】: 华南农业大学南方农业机械与装备关键技术省部共建教育部重点实验室开放基金资助项目(KF200707)
【CateGory Index】: U461
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