核工业遥操作电机快换装置的优化设计与实验  

Design and Experiment of Remote Handling Motor Replacement Device in the Nuclear Industry

作　　者：徐爱群 张勇 马春红 XU Ai-qun;ZHANG Yong;MA Chun-hong(School of Mechanical and Energy Engineering,Zhejiang University of Science and Technology,Zhejiang Hangzhou 310023,China)

机构地区：[1]浙江科技学院机械与能源工程学院,浙江杭州310023

出　　处：《机械设计与制造》2024年第11期143-149,共7页Machinery Design & Manufacture

基　　金：浙江省自然科学基金项目(LQ19E050002)。

摘　　要：针对核工业热室电机遥操作快速更换存在维修难度大、耗时长等问题,基于现有电机快换装置,进行优化设计与实验。根据电机遥操作快换的设计需求,介绍了其整体结构和快换原理;以轴孔装配为机理分析在更换过程中出现卡阻与楔紧的原因,设计了一关节轴承的五自由度被动柔顺机构和两级轴孔导向装配结构;根据电机遥操作更换的流程,搭建实验平台,对电机快换装置进行各项参数测试。实验结果表明,其快换装置允许的位置误差范围为(-5~5)mm,姿态误差范围为(-0.08~0.08)rad;在位姿误差范围内,其成功率可以保持在90%以上;电机遥操作快换时间保持在190s左右。该研究降低了电机遥操作的操作难度和更换时间,大幅提高了电机快换装置的各项性能指标,为类似的产品提供了参考。Aiming at the problems of difficult maintenance and long time-consuming in the rapid replacement of motors in the nuclear industry hot cell by remote operation,optimization design and experiments were carried out based on the existing motor quick-change devices.According to the design requirements of the motor′s remote operation and quick change,the overall structure and quick change principle are introduced;the shaft hole assembly is used as the mechanism to analyze the causes of jamming and wedging during the replacement process,and a five-degree-of-freedom passive joint bearing is designed.Compliant mechanism and two-stage shaft hole guide assembly structure.According to the process of motor remote operation replacement,an experimental platform is built to test various parameters of the motor quick-change device.The experimental results show that the position error range of the quick change device is(-5~5)mm,and the attitude error range is(-0.08~0.08)rad;within the range of the pose error,it is success rate can be maintained above 90%;the motor is remotely operated and quickly changed;the time stays at around 190s.This research reduces the operation difficulty and replacement time of the motor remote operation,greatly improves the performance indicators of the motor quick-change device,and provides a reference for similar products.

关 键 词：核工业 快换装置 轴孔装配 被动柔顺 

分 类 号：TH16[机械工程—机械制造及自动化] TH122