空间曲柄滑块的球铰磨损试验台设计
摘要:球铰是常用的机构连接副,其磨损问题和间隙问题是常见的工程失效问题。本文针对球铰的磨损试验研究目的,设计了包含球铰的空间曲柄滑块机构,采用了UG软件建立了该机构零部件和整体装配的三维模型,并通过多体动力学仿真软件ADAMS对机构的运动功能进行了仿真模拟,得到了球铰在不同工况下的动态响应。最后分析了球铰磨损过程,初步研究了球铰的磨损计算方案,为下一次继续研究提供了参考。此次设计及分析对机械铰接副磨损计算领域具有重要的工程实际价值。
关键词:球铰磨损;曲柄滑块;试验台;铰接;建模;仿真
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ntal adaptability of the ball hi
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nt wear;Cra
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nd;Articulatio
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ng;Simulatio
n 目录 1绪论1 1.1设计背景1 1.2设计问题1 1.3设计意义2 1.4理论基础及现状2 1.5设计内容步骤3 2空间曲柄滑块机构的球铰磨损试验台设计4 2.1空间曲柄滑块机构试验台的设计4 2.1.1试验台基座4 2.1.2电机及导轨5 2.1.3曲柄连杆6 2.1.4可调球铰球及连杆和导轨与基座连接部分7 2.1.5滑块与球铰的类活塞连接件8 2.2 NX 10.0 (UG)建模10 2.2.1试验台基座及电机建模10 2.2.2导轨建模11 2.2.3曲柄连杆建模12 2.2.4可调球铰球及连杆和导轨与基座连接部分建模12 2.2.5滑块与球铰的类活塞连接件建模14 2.2.6装配图14 3球铰不同工况下的虚拟样机实验17 3.1 ADAMAS建模17 3.2运动学仿真分析18 3.3磨损实验设想及分析19 3.3.1磨损、摩擦的联系与不同19 3.3.2产生磨损的基本阶段20 3.3.3建立磨损的数学模型21 3.3.4设计磨损试验流程21 4总结与分析23 4.1总结23 参考文献24 致谢26
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n of Spherical Hi
nge Wear Test Be
nch for Space Cra
nk Slide Block Abstract The co
nte
nt of this paper is to desig
n the ball beari
ng hi
nge ball beari
ng wear test be
nch desig
n modeli
ng a
nd simulatio
n experime
nt a
nalysis to test the dy
namic respo
nse of the ball hi
nge i
n differe
nt lubricatio
n co
nditio
ns to obtai
n the ball hi
nge wear co
nditio
n i
ncludi
ng cleara
nce hi
nge machi
nery System dy
namics a
nd other results. The
n by a
nalyzi
ng a
nd optimizi
ng the experime
ntal parameters of the ball hi
nge the purpose of improvi
ng the stability reliability fatigue stre
ngth load capacity a
nd e
nviro
nme
ntal adaptability of the ball hi
nge structure with cleara
nce is achieved. Because the hi
nge cleara
nce betwee
n mecha
nical system compo
ne
nts is u
navoidable this desig
n a
nd a
nalysis has importa
nt e
ngi
neeri
ng practical value for the mecha
nical articulatio
n subfield. Key words Ball joi
nt wear;Cra
nk slider;Test sta
nd;Articulatio
n;Modeli
ng;Simulatio
n 目录 1绪论1 1.1设计背景1 1.2设计问题1 1.3设计意义2 1.4理论基础及现状2 1.5设计内容步骤3 2空间曲柄滑块机构的球铰磨损试验台设计4 2.1空间曲柄滑块机构试验台的设计4 2.1.1试验台基座4 2.1.2电机及导轨5 2.1.3曲柄连杆6 2.1.4可调球铰球及连杆和导轨与基座连接部分7 2.1.5滑块与球铰的类活塞连接件8 2.2 NX 10.0 (UG)建模10 2.2.1试验台基座及电机建模10 2.2.2导轨建模11 2.2.3曲柄连杆建模12 2.2.4可调球铰球及连杆和导轨与基座连接部分建模12 2.2.5滑块与球铰的类活塞连接件建模14 2.2.6装配图14 3球铰不同工况下的虚拟样机实验17 3.1 ADAMAS建模17 3.2运动学仿真分析18 3.3磨损实验设想及分析19 3.3.1磨损、摩擦的联系与不同19 3.3.2产生磨损的基本阶段20 3.3.3建立磨损的数学模型21 3.3.4设计磨损试验流程21 4总结与分析23 4.1总结23 参考文献24 致谢26
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