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油气悬架将传统悬架的弹性组件和减振器组合于一体,采用惰性气体氮气作为弹性介质,以油液为传力介质,其优越的非线性特性和良好的减振性能能够提高非公路车辆的行驶平顺性。建立传统被动悬架和油气悬架的整车虚拟模型,进行整车平顺性虚拟试验,对比仿真数据,说明采用油气悬架的车辆其垂直振动加速度功率谱的峰值约下降50%。
Oil and gas suspension will be the traditional suspension of the elastic components and shock absorbers in one combination, the use of inert gas nitrogen as the elastic medium to the oil as the transmission medium, its superior non-linear characteristics and good damping properties can improve off-road Car ride comfort. The virtual vehicle model of traditional passive suspension and hydro-pneumatic suspension was established. The vehicle ride comfort test was carried out. Compared with the simulation data, the peak value of the vertical vibration acceleration power spectrum of the vehicle adopting the hydro-pneumatic suspension decreased about 50%.