Strength Analysis and Optimization of Impact Crusher Spindle

Wang Shunkai; Ma Fei; Li Yelin; Geng Xiaoguang

doi:10.16578/j.issn.1004.2539.2015.01.002

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Strength Analysis and Optimization of Impact Crusher Spindle

更新时间：2022-10-20

- Strength Analysis and Optimization of Impact Crusher Spindle
- Vol. 39, Issue 1, Pages: 142-145(2015)
- 作者机构：
  
  1. 北京科技大学
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.01.002
  CLC：
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[1]王顺凯,马飞,李叶林,耿晓光.反击式破碎机主轴的强度分析及优化[J].机械传动,2015,39(01):142-145.

Wang Shunkai, Ma Fei, Li Yelin, et al. Strength Analysis and Optimization of Impact Crusher Spindle. [J]. 39(1):142-145(2015)
[1]王顺凯,马飞,李叶林,耿晓光.反击式破碎机主轴的强度分析及优化[J].机械传动,2015,39(01):142-145. DOI： 10.16578/j.issn.1004.2539.2015.01.002.

Wang Shunkai, Ma Fei, Li Yelin, et al. Strength Analysis and Optimization of Impact Crusher Spindle. [J]. 39(1):142-145(2015) DOI： 10.16578/j.issn.1004.2539.2015.01.002.

摘要

对工作状态下反击式破碎机的主轴建立力学模型,采用材料力学的方法对主轴的危险截面进行静强度校核;计算主轴挠度、扭转刚度,检验其是否满足设计要求。采用有限元法,计算主轴具体应力分布,确定危险点的位置和应力集中系数,在此基础上对主轴的疲劳强度进行计算。根据分析结果对主轴结构进行优化,改善部分部位的应力集中,并且使主轴的质量降低了8%。

Abstract

The mechanical model of impact crusher spindle under operating condition is established and static strength of spindle dangerous section is checked by the method of mechanics of materials.The spindle deflection and torsional rigidity are calculated to check whether they met the design requirements or not.Besides,the specific distributions of stress are figured out through FEM method to determine the positions of dangerous points and the factor of stress concentration.Based on the result,the fatigue strength of spindle is calculated.The structure of the spindle is optimized through analysis.Therefore,the stress concentration of some parts is improved,as well as 8% weight reduction of spindle is obtained.

关键词

反击式破碎机主轴强度分析有限元优化

Keywords

Impact crusher’s spindleStrength analysisFEMOptimization

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