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从简化的二轴转向架轮对间抗弯、抗剪刚度的概念出发，阐述了它们对车辆直线蛇行稳定性与曲线通过性能的影响；讨论了构架式、准构架式和三大件式转向架的抗弯、抗剪刚度与一系悬挂和抗菱刚度的关系，澄清了货车转向架抗菱刚度的定义，并给出了三大件式转向架抗菱刚度的计算方法。
Based on the concepts of bending resistance and shear stiffness between simplified two-axle bogie wheelsets, their influences on the straight-line stability and curve-passing performance of vehicles are expounded. The effects of structural, quasi-structural and three- The relationship between the flexural and shear stiffness of the bogie and the relationship between the flexural rigidity and the flexural rigidity of the bogie is clarified. The definition of the flexural rigidity of the bogie of the bogie is clarified and the calculation method of the flexural rigidity of the three-piece bogie is given.