FINITE ELEMENT SIMULATION AND STRUCTURE OPTIMIZATION OF THE AGITATING MECHANISM OF DOUBLE SHAFT VIBRATING MIXER

ZHAO Wu; YUE Chao; SHEN WeiWei

doi:10.16579/j.issn.1001.9669.2020.06.032

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FINITE ELEMENT SIMULATION AND STRUCTURE OPTIMIZATION OF THE AGITATING MECHANISM OF DOUBLE SHAFT VIBRATING MIXER

更新时间：2022-09-22

- FINITE ELEMENT SIMULATION AND STRUCTURE OPTIMIZATION OF THE AGITATING MECHANISM OF DOUBLE SHAFT VIBRATING MIXER
- Journal of Mechanical Strength Vol. 42, Issue 6, Pages: 1496-1502(2020)
- 作者机构：
  
  1. 长安大学道路施工技术与装备教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2020.06.032
  CLC：
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ZHAO Wu, YUE Chao, SHEN WeiWei. FINITE ELEMENT SIMULATION AND STRUCTURE OPTIMIZATION OF THE AGITATING MECHANISM OF DOUBLE SHAFT VIBRATING MIXER. [J]. 42(6):1496-1502(2020)
DOI：

ZHAO Wu, YUE Chao, SHEN WeiWei. FINITE ELEMENT SIMULATION AND STRUCTURE OPTIMIZATION OF THE AGITATING MECHANISM OF DOUBLE SHAFT VIBRATING MIXER. [J]. 42(6):1496-1502(2020) DOI： 10.16579/j.issn.1001.9669.2020.06.032.

摘要

分析双立轴振动搅拌机搅拌机构在不同工况下的受力情况。结合有限元软件分析,得到了搅拌机构的应力应变图以及振型图。针对现有的搅拌机构存在刚度不足的问题,将应变图的变形量与实际变形区的变形量进行了比较,验证了有限元分析的合理性。同时,提出了一种提高搅拌机构刚度的优化方案。经过仿真分析发现,新型搅拌机构在工作时的刚度得到了明显的改善。同时,强度满足工作要求,固有频率与激振器的工作频率也不同,避免了共振现象。这对于减少安全事故的发生有着重要意义,同时也为立轴振动搅拌技术奠定理论基础。

Abstract

Analyze the force of the agitating mechanism of double shaft vibrating mixer under different working conditions.Combined with the finite element software analysis,the stress,strain and modal shape of the agitating mechanism is obtained.At the same time,the strain pattern is compared with the actual deformation zone to verify the rationality of the finite element analysis.An optimization scheme is proposed aiming at improving the stiffness.After the simulation analysis,the stiffness of the optimized agitating mechanism is obviously enhanced to meet the work requirements.Meanwhile,the strength and natural frequency of the mechanism have also improved.It has an important significance for reducing safety incidents.At the same time,it also lays a theoretical foundation for vertical shaft vibration mixing technology.

关键词

振动搅拌搅拌结构有限元模拟模态分析结构优化

Keywords

Vibratory agitatingAgitating mechanismFinite element simulationModal shapeStructure optimization

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