筒式永磁联轴器传动特性解析算法及结构优化
Analytical Algorithm and Structural Optimization of Transmission Characteristics of Cylindrical Permanent Magnet Couplings
张嘉睿 1何涛 2苏桂龙 1李阳阳 1罗唯奇 1程习康 1周孟德 1张洋 1刘巍1
作者信息
- 1. 大连理工大学机械工程学院,大连,116086
- 2. 武汉第二船舶设计研究所,武汉,430205
- 折叠
摘要
永磁联轴器存在结构复杂、装配困难、抗偏载能力差等问题,传动性能评估中,有限元仿真计算时间长,解析计算准确性低.为此,设计了新型筒式永磁联轴器构型,梯形磁体与楔形插槽可实现永磁体自吸装配.针对该构型,提出了 一种等效磁荷-磁路解析计算方法计算传递转矩,并设计了 一种吸斥复合永磁联轴器构型.对两种永磁联轴器在内外转子相对偏转0°～45°时的传递转矩、径向相对偏移-3.8～3.8 mm的受力情况进行了仿真及实验验证.研究结果表明,提出的解析算法较仿真结果误差减小50％,且解析计算用时由2 h缩短为2 min.与筒式构型相比,吸斥复合构型的径向偏载最大受力减小48.59％.最后为永磁联轴器设计优化提出了合理化建议.
Abstract
The permanent magnet couplings had problems of complex structure,difficult assem-bly and poor resistance to eccentric load.In terms of transmission performance evaluation,the finite element simulation calculation took a long time and the analytical calculation accuracy was low.There-fore,a new type of cylindrical permanent magnet coupling configuration was designed.The trapezoidal magnet and the wedge slot may realize the self-priming assembly of permanent magnets.Aiming at this configuration,an equivalent magnetic charge-magnetic circuit analytical calculation method was proposed to calculate the transfer torque and an absorption-repulsion composite permanent magnet coupling configuration was designed.The transfer torques where the relative deflection of inner and outer rotors as 0°～45° and the foces responde to radial relative offset-3.8～3.8 mm of two perma-nent magnet couplings were simulated and verified by experiments.The results show that the errors of the proposed analytical algorithm decreases 50％than that of the simulation results,and the analytical calculation time is shortened from 2 h to 2 min.Compared with cylindrical configuration,the maxi-mum radial eccentric load of the suction-repulsion composite configuration is as 48.59％.Reasonable suggestions are put forward for design optimization of permanent magnet couplings.
关键词
筒式永磁联轴器/构型设计/传递转矩/等效磁荷Key words
cylindrical permanent magnet coupling/configuration design/transfer torque/equiv-alent magnetic charge引用本文复制引用
基金项目
国家资助博士后研究人员计划(GZC20230357)
国家自然科学基金(52305095)
国家自然科学基金(52105543)
国家自然科学基金(52125504)
辽宁省科技计划联合计划(2023011596-JH3/4500)
辽宁省科技计划联合计划(2023JH2/101800026)
大连市科技人才创新支持计划(2023RQ099)
湖北省自然科学基金创新群体项目(CFA024)
出版年
2024
国家科技期刊平台
NSTL
万方数据