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当前位置: 首页 > 文章 > 基于气体溶解与油液可压缩性的油气悬架性能研究 农业机械学报 2013,44 (6) 14-18，13
Position: Home > Articles > Characteristics Analysis of Hydro Pneumatic Suspension Based on Gas Dissolution and Oil Compressibility Transactions of the Chinese Society for Agricultural Machinery 2013,44 (6) 14-18，13

基于气体溶解与油液可压缩性的油气悬架性能研究

作  者：
黄夏旭;杨珏;申焱华;冯雅丽
单  位：
北京科技大学机械工程学院
关键词：
矿用自卸车;油气悬架;溶解度;油液可压缩性
摘  要：
基于气体溶解效应和油液可压缩性建立了矿用自卸车使用的混合式油气悬架的非线性数学模型。通过求解非线性数学模型方程组,分析了油气悬架中气体溶解和油液可压缩性对系统内部压力变化的影响,并与试验结果进行了对比分析。结果表明建立的模型能较准确地描述油气悬架的输出力特性,而且气体溶解效应和油液可压缩性在油气悬架设计研究过程中不可忽略。同时,压缩行程中气体溶解和油液可压缩性对油气悬架特性的影响大于伸张行程时的影响。
译  名：
Characteristics Analysis of Hydro Pneumatic Suspension Based on Gas Dissolution and Oil Compressibility
作  者：
Huang Xiaxu Yang Jue Shen Yanhua Feng Yali(School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China)
关键词：
Mining dump trucks Hydro pneumatic suspension Gas solubility Oil compressibility
摘  要：
A nonlinear mathematical model of the gas oil mixed hydro-pneumatic suspension used on mining dump trucks was presented.The gas dissolution effect,as well as the oil compressibility was taken into account in the model.The effects of gas dissolution and oil compressibility on the pressure changes within the hydro-pneumatic suspension were analyzed by solving the nonlinear mathematical equations.And the simulation results were compared with the experimental results.The results showed that the proposed model could describe the output force and pressure change of hydro-pneumatic suspension more accurately,and the effects of gas dissolution and oil compressibility couldn't be ignored in hydro-pneumatic suspension research and design.Meanwhile,the effects were greater in compression stroke than expansion stroke.

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