一种直升机尾轮锁紧装置集成一体化设计与研究  

Integrated Design and Research of a Helicopter Tail Wheel Locking Device

作　　者：高鑫 蔡大静 卓亮 陈强 Gao Xin;Cai Dajing;Zhuo Liang;Chen Qiang(Guizhou Aerospace Linquan Motor Co.,Ltd.,Guiyang 550000,China)

机构地区：[1]贵州航天林泉电机有限公司,贵州贵阳550000

出　　处：《航空科学技术》2023年第5期46-53,共8页Aeronautical Science & Technology

摘　　要：为了研究开环控制系统下的电动机构效率特性和运行精度,本文以一种直升机尾轮锁紧装置为例,介绍了该装置集成一体化设计方案及关键功能的结构设计及计算,对锁紧和解锁响应时间、负载能力、电机功率、手动解锁方案、多圈旋转运动机械限位等进行了设计和分析计算,根据齿轮传动、蜗轮蜗杆传动、滚珠丝杠副、螺旋滚道副传动原理完成了带多圈机械限位且符合人体工程学操作要求的手动接口。对传动结构强度和寿命进行了仿真分析,通过样机检测和调试试验,验证了设计计算与仿真结果的可靠性和调试方法的合理性,在传动机构效率调节、霍尔传感器运用、开环控制系统下的机构输出精度控制等方面获得了经验参数。通过预紧调整和提前量设定,可以提高传动系统28.6%的工作效率并保证不低于0.2mm的运行精度,为类似一体化机电产品的设计研制提供了参考。In order to study the efficiency characteristics and operation accuracy of electric mechanism under open loop control system,taking a helicopter tail wheel locking device as an example,the integrated design scheme and the structural design and calculation of the key functions of the device are introduced.The design,analysis and calculation of locking and unlocking response time,load capacity,motor power,manual unlocking scheme and mechanical limit of multi-turn rotating motion are carried out.According to the transmission principle of gear drive,worm drive,ball screw pair,screw raceway pair,the manual interface with multiple mechanical limit and meeting the ergonomic operation requirements is completed.The strength and life of the transmission structure are simulated and analyzed,and the reliability of the design and simulation results and the rationality of the debugging method are verified by the testing and debugging of the prototype,the empirical parameters are obtained in the aspects of transmission efficiency regulation,Hall effect sensor operation,mechanism output precision control under open-loop control system.By preloading adjustment and lead-up setting,the working efficiency of the transmission system can be improved by 28.6%and the running accuracy can be guaranteed no less than 0.2mm,which provide reference for the design and development of similar mechatronic products.

关 键 词：锁紧装置 集成设计 多圈机械限位 运行寿命仿真 

分 类 号：V242.5[航空宇航科学与技术—飞行器设计]