干纤维增强橡胶膨胀节缠绕线型设计及仿真

玻璃钢/复合材料 ›› 2016, Vol. 0 ›› Issue (10): 15-19.

干纤维增强橡胶膨胀节缠绕线型设计及仿真

尤波,王燕^*,许家忠,张希

哈尔滨理工大学,哈尔滨150080

收稿日期:2016-05-16 出版日期:2016-11-25 发布日期:2016-11-25
通讯作者: 王燕(1991-),女,硕士研究生,主要从事复合材料成型工艺的研究,13945073146@qq.com。
作者简介:尤波(1962-),男,博士,教授/博导,主要从事机器人及复合材料成型工艺研究。
基金资助:
黑龙江省自然科学基金(E201301);哈尔滨市优秀学科带头人项目(2015RAXXJ013)

DESIGN AND SIMULATION FOR WINDING PATTERN OF DRY FIBER REINFORCED RUBBER EXPANSION JOINT

YOU Bo, WANG Yan^*, XU Jia-zhong, ZHANG Xi

Harbin University of Science and Technology, School of Automation, Harbin 150080, China

Received:2016-05-16 Online:2016-11-25 Published:2016-11-25

摘要/Abstract

摘要： 橡胶膨胀节作为一种能自由伸缩的弹性补偿元件,相比较于目前国内使用的金属膨胀节具有良好的耐腐蚀性能、较高的冲击强度和优异的减振降噪特性等优点,主要应用于大型管道输送。传统的橡胶膨胀节采用橡胶帘子布手动或半自动缠绕/铺放成型,效率低且在受压时纤维无法优化方向,起不到很好的承压作用。采用干纤维增强橡胶膨胀节可充分发挥纤维作用,而且能实现自动化缠绕成型,提高效率、质量、产品一致性。本文分析干纤维缠绕成型原理,结合网格理论和薄膜理论计算等张力模型方程,根据方程建立回转体单波纹等张力膨胀节模型,并采用数值模拟技术确定回转体表面纤维缠绕的测地线路径,最后根据设计的缠绕线型进行仿真验证。

关键词: 橡胶膨胀节, 缠绕成型, 线型设计, 干纤维, 测地线路径

Abstract: Rubber expansion joint, as a kind of free telescopic elastic compensatory components, has good corrosion resistance, high impact strength and excellent damping noise reduction features compared with metal ones that extensively used in home at present. Expansion joints are mainly used in rigid piping systems. Conventional production using prefabricated fiber plies manual or semi-automatic technologies, do not allow optimal orientation of the reinforcement material. Without controlling the orientation of the reinforcement, it is not possible to control the shape while pressurized. Using dry fiber reinforced rubber expansion joints can fully play the role of fiber and is able to achieve automatic winding, improving efficiency, quality, and product consistency. This article analyzed the principle of dry fiber winding. Then, a set of equations can be obtained that describe these geodesic isotensoid fiber path shapes by combining netting theory and the membrane theory and establish the model of single bellow isotensoid expansion joint in terms of equations. Next, this article determines geodesic paths of model surface by numerical techniques and finally carries out the simulation according to the designed winding pattern. From simulation results, we can see stability and no obvious phenomenon of overhead. This design method of dry rubber expansion joint filament winding plays a very important role for the actual production in the future.

Key words: rubber expansion joint, winding, pattern design, dry fiber, geodesic path

中图分类号:

TB332

尤波,王燕,许家忠,张希. 干纤维增强橡胶膨胀节缠绕线型设计及仿真[J]. 玻璃钢/复合材料, 2016, 0(10): 15-19.

YOU Bo, WANG Yan, XU Jia-zhong, ZHANG Xi. DESIGN AND SIMULATION FOR WINDING PATTERN OF DRY FIBER REINFORCED RUBBER EXPANSION JOINT[J]. Fiber Reinforced Plastics/Composites, 2016, 0(10): 15-19.

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