膜式空气弹簧帘子线铺设角-承载力映射模型研究

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (21) : 291-297.

论文

陈俊杰，谭月玲，康盛，邱光琦

作者信息 +

Mapping model of cord laying angle-load bearing for air spring rubber airbag

CHEN Junjie, TAN Yueling, KANG Sheng, QIU Guangqi

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文章历史 +

摘要

帘子线铺设角是空气弹簧橡胶气囊成型过程中的关键工艺参数，也是影响空气弹簧有效面积与承载特性的重要因素。文中采用层合板理论及气囊微元受力分析，引入橡胶气囊帘子线铺设角，构建了帘子线铺设角-有效面积、帘子线铺设角-承载力映射模型；基于MTS852.05搭建了空气弹簧膨胀外径、承载力测试装置，4×105Pa~7×105Pa气压范围与46°~56°帘子线铺设角下的有效面积、承载力计算与试验结果最大相对误差分别为4.43%和9.18%，验证了帘子线铺设角-有效面积、帘子线铺设角-承载力映射模型的正确性与有效性，并阐明了帘子线铺设角对承载力的影响规律。研究结果为膜式空气弹簧制定气囊成型工艺与优化承载特性提供理论指导，也为查明多层复合回转结构类薄壁件帘子线层铺设角-力学特性之间的映射关系奠定理论基础。

Abstract

The laying angle of cord is a key technological parameter in the forming process of rubber bellows of air spring, and also an important factor affecting the effective area and load characteristics of air spring. In this paper, the laminate theory and the force analysis of bellows are used, and the cord laying angle is introduced to construct the mapping model of cord laying angle-effective area, cord laying angle-load capacity. Based on MTS852.05, the expansion diameter of air spring and load capacity test device is built. The maximum relative errors of calculation and test results of effective area and load capacity under the pressure range of 4×105Pa~7×105Pa and 46°~56° cord laying angle are 4.43% and 9.18%, respectively, which verify the correctness and effectiveness of the mapping model of laying angle-effective area and cord laying angle-load capacity. The influence mechanism of laying angle of cord on load capacity is expounded. The results provide theoretical guidance for the formulation of the forming process of rubber bellows and the optimization of the load characteristics of rolling lobe air spring, and also lay a theoretical foundation for finding out the mapping relationship between the laying angle and the mechanical characteristics of the cord layer in the thin-walled parts of the multi-layer composite rotary structure.

关键词

膜式空气弹簧 / 承载力 / 帘子线铺设角 / 映射模型 / 层合板理论

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导出引用

陈俊杰，谭月玲，康盛，邱光琦. 膜式空气弹簧帘子线铺设角-承载力映射模型研究[J]. 振动与冲击, 2023, 42(21): 291-297

CHEN Junjie, TAN Yueling, KANG Sheng, QIU Guangqi. Mapping model of cord laying angle-load bearing for air spring rubber airbag[J]. Journal of Vibration and Shock, 2023, 42(21): 291-297

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