多圈缠绕柔索最大传递扭矩的影响因素
曾琴，朱建公
（西南科技大学 制造科学与工程学院，四川 绵阳 621000）
摘要：柔索传动具有结构简单、布局灵活等优势，是解决小回转空间内大扭矩传递较有效的传动方式。针对柔索传动传递能力提高的问题，开展了对柔索最大传递扭矩影响因素的研究，得出最大传递扭矩与预紧力、包角、摩擦系数、弯曲半径和柔索半径比、螺旋升角有关。通过数值分析、正交试验和ANSYS Workbench接触分析，得出小回转空间内多圈缠绕柔索最大传递扭矩受包角影响最大，其次是预紧力、摩擦系数，但包角大于10π后，最大传递扭矩不再随包角的增加而增大。相比较而言，弯曲半径和柔索半径比、螺旋升角对最大传递扭矩影响较小。
关键词：小回转空间；多圈缠绕柔索；最大传递扭矩，接触分析
中图分类号：TH132.3；V263.2 文献标志码：A doi：10.3969/j.issn.1006-0316.2020.03.004
文章编号：1006－0316 (2020) 03－0020－06
Influencing Factors of Maximum Transmission Moment of Multi-Lap Winding Cable
ZENG Qin，ZHU Jiangong
( School of Manufacturing Science and Engineering, Southwest University of Science and Technology, Mianyang 621000, China )
Abstract：Cable drive is an effective transmission mode to realize the transmission with large moment in small rotating space because of its simple structure and flexible layout .In order to improve the transmission capacity of cable drive, the influencing factors of the maximum transmission moment of cable are studied, and it is concluded that the maximum transmission moment of cable is related to pretension, angle of contact, friction coefficient, bending radius, radius ratio and helix angle. Through numerical analysis, orthogonal test, contact analysis and ANSYS workbench, it is concluded that the maximum transmission moment of multi-lap winding cable is most affected by angle of contact, followed by pretension, friction coefficient in small rotating space, but when the angle of contact is more than 10π, the maximum transmission moment no longer increases with the angle of contact.
Key words：small rotating space；multi-lap winding cable；the maximum transmissi moment；contact analysis
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收稿日期：2019－10－24
作者简介：曾琴（1989－），女，四川乐山人，硕士研究生，助理讲师，主要研究方向为机械设计制造及其自动化。
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