基于精细传递矩阵法的气囊隔振器横向刚度特性分析

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (4) : 61-68.

论文

成玉强1,2，蔡存光1,2，高华1,2，帅长庚1,2

作者信息 +

Transverse stiffness characteristics analysis of air springs based on the precise transfer matrix method

CHENG Yuqiang1,2，CAI Cunguang1,2，GAO Hua1,2，SHUAI Changgeng1,2

Author information +

文章历史 +

摘要

构建并求解了预载条件下气囊隔振器的囊体力学模型，提出了一种气囊隔振器横向刚度特性的参数化计算方法。在考虑囊体预应力的条件下构建了囊体力学模型，引入位移中间向量并采用精细积分法推导了囊体状态向量间的传递矩阵，利用迭代法解析了囊体状态向量、内部压力以及结构参数之间的耦合变化关系，基于边界条件完成了囊体刚度的参数化求解，结合理想气体刚度模型完成了气囊隔振器横向刚度特性的计算分析。对比试验结果，验证了横向刚度特性计算方法的正确性，探究了主要设计参数对刚度特性的影响规律。

Abstract

The bellows mechanical model of the air spring under preload conditions is constructed and solved, and a parametric calculation method of the transverse stiffness characteristics of the air spring is proposed. The bellows mechanical model is constructed under the condition of preload, and the transfer matrix between the bellows state vectors is derived by introducing the intermediate displacement vectors and using the precision integration method. The coupling relationship between the state vectors of the bellows, the internal pressure and the structural parameters is analyzed by the iterative method. Based on the boundary conditions, the parametric solution of the capsule stiffness is completed, and the calculation and analysis of the transverse stiffness characteristics of the air spring are completed by combining with the perfect pneumatic stiffness model. The correctness of the calculation method of transverse stiffness characteristics is verified by comparing the test results, and the influence law of the main design parameters on the stiffness characteristics is investigated.

导出引用

成玉强1,2，蔡存光1,2，高华1,2，帅长庚1,2. 基于精细传递矩阵法的气囊隔振器横向刚度特性分析[J]. 振动与冲击, 2024, 43(4): 61-68

CHENG Yuqiang1,2，CAI Cunguang1,2，GAO Hua1,2，SHUAI Changgeng1,2. Transverse stiffness characteristics analysis of air springs based on the precise transfer matrix method[J]. Journal of Vibration and Shock, 2024, 43(4): 61-68

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