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南车青岛四方机车车辆股份有限公司等中国企业和科研院所,通过自主创新申请了众多相关专利转向架是轨道车辆结构中最为重要的部件之一,高速列车转向架的定位刚度、轴箱弹簧垂向刚度、轴箱悬挂系统(也被称为一系悬挂)垂向阻尼、中央悬挂系统(也被称为二系悬挂)弹簧的横向刚度、二系横向阻尼对车辆在高速行驶时的稳定性有重要影响。
CSR China Sifang Locomotive Co., Ltd. and other Chinese enterprises and research institutes, through independent innovation to apply for a large number of related patents bogie rail vehicle structure is one of the most important components, high-speed train bogie positioning stiffness, axle box spring down Vertical stiffness, the vertical damping of the axlebox suspension system (also referred to as a series suspension), the transverse stiffness of the central suspension (also referred to as the secondary suspension) spring, the stability of the secondary transverse damping to the vehicle at high speeds Have a significant impact.