离心脱开型斜撑离合器接合失效机制分析及楔块结构优化

doi:10.16731/j.cnki.1671-3133.2025.12.017

现代制造工程 ›› 2025, Vol. 543 ›› Issue (12): 135-144.doi: 10.16731/j.cnki.1671-3133.2025.12.017

• 设备设计/诊断维修/再制造 • 上一篇下一篇

离心脱开型斜撑离合器接合失效机制分析及楔块结构优化

谭见钱¹, 高嗣笼², 刘昊², 李松柏²

1 中国航发湖南动力机械研究所,株洲 412002;
2 中南大学机电工程学院,长沙 410083

收稿日期:2025-03-11 出版日期:2025-12-18 发布日期:2026-01-06
作者简介:谭见钱,硕士,工程师,主要研究方向为航空发动机传动系统研究。E-mail:2129625972@qq.com

Analysis of engagement failure mechanism and optimization of wedge structure in centrifugal disengagement type inclined brace clutch

TAN Jianqian¹, GAO Silong², LIU Hao², LI Songbai²

1 AECC Hunan Power Mechanical Research Institute,Zhuzhou 412002,China;
2 School of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China

Received:2025-03-11 Online:2025-12-18 Published:2026-01-06

摘要/Abstract

摘要： 针对在工程实际中离心脱开型斜撑离合器出现楔入后又脱出失效导致燃气发动机启动失败的安全问题,探究了不同工况对离合器接合性能的影响,得出该型斜撑离合器接合失效机制,最终解决该型斜撑离合器存在的安全问题。首先,根据该型斜撑离合器结构参数及实际工况进行基本楔合参量求解;其次,根据实际工况建立精确的离合器多体动力学模型,通过仿真探究不同工况对离合器接合性能的影响,分析离合器接合失效工况和失效机制;然后,依据NSGA-Ⅱ算法对楔块结构参数进行优化设计;最后,进行斜撑离合器楔入时的接合脱开转速试验,试验验证了斜撑离合器楔入时发生脱开的转速数学模型准确性。计算结果表明,楔块改进后的离合器接合脱开转速提升了12.28 %,磨损时间提升了42.86 %;仿真结果表明,离合器的接合时间提前了47.83 %,有效提升了离合器的传动性能。研究结果可为离心脱开型斜撑离合器的结构设计和优化提供参考。

关键词: 离心脱开型斜撑离合器, 接合失效, 接合脱开转速, 结构优化

Abstract: For the safety problem of gas generator start up failure caused by the disengagement failure mechanism in centrifugal disengagement type inclined brace clutch,where the wedge enters and then disengages, the impact of different operating conditions on the clutch′s engagement performance is investigated, the disengagement failure mechanism of the inclined brace clutch is identified,ultimately resolving the safety concerns associated with this type of clutch. Firstly,the basic wedging parameters are solved based on the structural parameters of the inclined brace clutch and actual operating conditions. Secondly,an accurate multi-body dynamics model of the clutch is established according to real-world conditions. Through simulation,the effects of different operating conditions on the clutch′s engagement performance are explored,and the failure conditions and failure mechanisms of clutch engagement are analyzed. Then,using NSGA-Ⅱ algorithm,the structural parameters of the wedge block are optimized. Finally,experimental tests on the disengagement speed of the inclined brace clutch during wedging are conducted. The experimental results validate the accuracy of the mathematical model for the disengagement speed when the wedge enters the clutch. The calculation results show that the improved wedge block increases the clutch′s engagement/disengagement speed by 12.28 %,extends its wear time by 42.86 %,and the simulation results show that it reduces the engagement time by 47.83 %,significantly improving the clutch′s transmission performance. The research results can provide a reference for the structural design and optimization of centrifugal disengagement-type clutches.

Key words: centrifugal disengagement type inclined brace clutch, engagement failure, engagement/disengagement rotational speed, struc-tural optimization

中图分类号:

TH133.4

谭见钱, 高嗣笼, 刘昊, 李松柏. 离心脱开型斜撑离合器接合失效机制分析及楔块结构优化[J]. 现代制造工程, 2025, 543(12): 135-144.

TAN Jianqian, GAO Silong, LIU Hao, LI Songbai. Analysis of engagement failure mechanism and optimization of wedge structure in centrifugal disengagement type inclined brace clutch[J]. Modern Manufacturing Engineering, 2025, 543(12): 135-144.

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离心脱开型斜撑离合器接合失效机制分析及楔块结构优化

Analysis of engagement failure mechanism and optimization of wedge structure in centrifugal disengagement type inclined brace clutch

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