随着高圆簧加橡胶垫结构在机车车辆二系悬挂上的广泛应用,要求对高圆簧的稳定性进行理论和实验的研究,以保证它能安全可靠地运用,特别对高速机车车辆更为必要。本文从理论和实验两方面对高圆簧的这个特性进行了探讨,并主要试图提出一种能预测高圆簧(加橡胶垫)稳定性的临界载荷的计算方法。它的特点是能用以计算橡胶垫的约束条件。该计算方法已由实验验证。 With the application of high-round spring and rubber pad structure on second-line suspension of locomotive and rolling stock, theoretical and experimental research on the stability of high-round spring is required to ensure its safe and reliable application, especially for high-speed locomotive and rolling stock Necessary. In this paper, we discuss the characteristics of high-round spring from the aspects of theory and experiment, and try to propose a method to calculate the critical load that can predict the stability of high-round spring with rubber pad. It is characterized by the ability to calculate the constraints of a rubber mat. This calculation method has been experimentally verified.