Study on the Effect of Clearance on Eliminating Flexible Impact of Series Geneva Mechanism

Zhao Yong; Huang Chunqiang; Yao Jin; Li Hua

doi:10.16578/j.issn.1004.2539.2017.01.022

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Study on the Effect of Clearance on Eliminating Flexible Impact of Series Geneva Mechanism

更新时间：2022-10-20

- Study on the Effect of Clearance on Eliminating Flexible Impact of Series Geneva Mechanism
- Vol. 41, Issue 1, Pages: 100-105(2017)
- 作者机构：
  
  1. 四川大学制造科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.01.022
  CLC：
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[1]赵勇,黄春强,姚进,李华.间隙对串联槽轮机构消除柔性冲击的影响研究[J].机械传动,2017,41(01):100-105.

Zhao Yong, Huang Chunqiang, Yao Jin, et al. Study on the Effect of Clearance on Eliminating Flexible Impact of Series Geneva Mechanism. [J]. 41(1):100-105(2017)
[1]赵勇,黄春强,姚进,李华.间隙对串联槽轮机构消除柔性冲击的影响研究[J].机械传动,2017,41(01):100-105. DOI： 10.16578/j.issn.1004.2539.2017.01.022.

Zhao Yong, Huang Chunqiang, Yao Jin, et al. Study on the Effect of Clearance on Eliminating Flexible Impact of Series Geneva Mechanism. [J]. 41(1):100-105(2017) DOI： 10.16578/j.issn.1004.2539.2017.01.022.

摘要

采用合适的串联槽轮机构理论上可以消除柔性冲击,但实际工程应用中圆销与轮槽间会不可避免地存在间隙。为了研究串联槽轮机构中独立的两级销槽间隙对整体机构消除柔性冲击的影响,首先利用ADAMS软件建立含有销槽间隙的串联槽轮机构模型,仿真并分析得到销槽间隙对串联槽轮机构输出槽轮运动特性的影响机理。其次设立对照组分析独立的两级销槽间隙对输出槽轮的运动特性的影响。结果表明含销槽间隙的串联槽轮机构虽然可以消除柔性冲击,但销槽间隙引起的碰撞冲击对输出槽轮的角加速度影响更大;初级槽轮机构的销槽间隙较末级槽轮机构的销槽间隙对末级槽轮角加速度峰值的影响灵敏度更大。对串联槽轮机构的实际使用提出指导意见:在加工精度一定时首先保证初级槽轮机构有能使机构正常工作的最小间隙。

Abstract

Using appropriate series geneva mechanism can eliminate the flexible impact in theoretically,but the unavoidable clearances between pin and slot exist in practical engineering application. In order to research the effects of the independent two- stage clearances on eliminating the flexible impact of the whole mechanism,a simulation model of series geneva mechanism containing the clearances is built by using ADAMS software firstly,and the influence mechanism of the clearances affect eliminating the flexible impact of output wheel is conducted. Then the experiment group aiming at finding the influences of different clearances of two stages geneva mechanism on the last geneva wheel is set up. The results illustrate that when the clearances exists,although the output geneva mechanism can eliminate the flexible impact,the impact brought by the clearances has greater influence on it. The peak angular acceleration of the last stage geneva wheel is affected by the first stage pin- slot clearance more greatly than the second one. Finally,a guidance of using series geneva mechanism in actual is brought up: the minimum clearance that ensures the geneva mechanism in normal working condition of the first stage geneva mechanism should be guaranteed with a certain machining accuracy firstly.

关键词

间隙串联槽轮机构柔性冲击Adams

Keywords

ClearanceSeries geneva mechanismFlexible impactAdams

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