航空用油门执行机构双导程蜗杆精确建模研究  

Precise modeling of aviation throttle actuator mechanism dual-lead worm

作　　者：倪笑宇 佟辉 王占英 束二洋 徐军[3] 安兆杰 NI Xiao-yu;TONG Hui;WANG Zhan-ying;SHU Er-yang;XU Jun;AN Zhao-jie(School of Mechanical Engineering, Hebei Institute of Architecture and Civil Engineering, Zhangjiakou 075000, China;Beijing Qingyun Aviation Instrument Co. , Ltd. , Beijing 100086, China;School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China)

机构地区：[1]河北建筑工程学院机械工程学院,河北张家口075000 [2]北京青云航空仪表有限公司,北京100086 [3]北京理工大学宇航学院,北京100081

出　　处：《机电工程》2019年第10期1065-1068,共4页Journal of Mechanical & Electrical Engineering

基　　金：河北省自然科学基金资助项目(E2018404044);河北省高等学校青年拔尖人才计划项目(BJ2016017);张家口市科学技术研究与发展计划项目(1811009B-03)

摘　　要：针对航空用油门执行机构的可靠性和精度问题,为满足其发动机开口量精确控制的要求,对航空用油门执行机构传动部分进行了研究。设计了一种双导程蜗轮蜗杆副,并将其应用于某型电动油门执行机构中;分析了阿基米德双导程蜗杆的工作原理及相关参数,针对航空用双导程蜗杆加工材料和加工方法的变化,重点探讨了阿基米德双导程蜗杆的精确建模方法及过程,并进行了其在某型油门执行机构中的传动应用分析。研究结果表明:此双导程蜗杆及其精确建模方法准确可靠、精度高、间隙可调,可应用于精度要求较高的航空执行机构中,为产品的加工工艺提供了一定的理论依据。Aiming at the problems of reliability and accuracy of the aviation throttle actuator, inorder to meet the requirement of precise control of aircraft engine opening, the transmission part of aircraft throttle actuator was studied, a double-lead worm gear pair was designed and applied to a certain type of electric throttle actuator. The working principle and related parameters of Archimedes dual-lead worm were analyzed. Aiming at the change of processing materials and methods of aviation double-lead worm, the accurate modeling method and process of Archimedes dual-lead worm was discussed, and its transmission application in throttle actuator was analyzed. The results indicate that the dual-lead worm and its precise modeling method are accurate,reliable,adjustable clearance, and it can be applied to the aviation actuator with high precision requirements, and provides a theoretical basis for the processing technology of products.

关 键 词：油门执行机构 传动精度 双导程蜗杆 精确建模 UG软件 

分 类 号：TH132.44[机械工程—机械制造及自动化] V233.21[航空宇航科学与技术—航空宇航推进理论与工程]