RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN OF THE SHEARER’S TORQUE SHAFT

ZHAO LiJuan; LI MingHao; ZHANG PinHao

doi:10.16579/j.issn.1001.9669.2017.03.015

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RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN OF THE SHEARER’S TORQUE SHAFT

更新时间：2022-09-22

- RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN OF THE SHEARER’S TORQUE SHAFT
- Journal of Mechanical Strength Vol. 39, Issue 3, Pages: 585-591(2017)
- 作者机构：
  
  1. 辽宁工程技术大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2017.03.015
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ZHAO LiJuan, LI MingHao, ZHANG PinHao. RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN OF THE SHEARER’S TORQUE SHAFT. [J]. 39(3):585-591(2017)
DOI：

ZHAO LiJuan, LI MingHao, ZHANG PinHao. RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN OF THE SHEARER’S TORQUE SHAFT. [J]. 39(3):585-591(2017) DOI： 10.16579/j.issn.1001.9669.2017.03.015.

摘要

作为保护采煤机关键零部件的扭矩轴,其性能对采煤机的可靠性与使用寿命有重大影响。建立以扭矩轴、摇臂壳体、截割部行星轴和行星架为模态中性文件的采煤机刚柔耦合虚拟样机模型,结合实际工况,基于项目组开发的"采煤机载荷模拟程序"计算获得了采煤机滚筒的载荷文件,通过Adams仿真得到了扭矩轴的最大剪切应力和扭转位移及时刻。基于神经网络和可靠性灵敏度理论得到了扭矩轴剪切应力与位移对卸荷槽结构参数的灵敏度。以采煤机牵引速度和扭矩轴剪切应力与位移为约束条件,对卸荷槽进行优化设计,结果表明:当采煤机牵引速度大于12.236 7 m/min时,扭矩轴及时断裂,提高了采煤机的可靠性与使用寿命。

Abstract

As the protection of key component of the Shearer,torque shaft has a significant impact on the performance of the reliability and fatigue life of the shearer. Shearer’s flexible virtual prototype coupling model of torque shaft,rocker arm shell,planet shafts and carrier was established,combined with the actual working condition,pro-and post drums ’ load files were obtained. Based on the " shearer’s load simulation program ",shear stress and strain contours of the torque shaft were obtained by ADAMS. Based on neural network and reliability sensitivity theory,the torque shaft shear stress and strain ’s sensitivity of unloading groove structure parameters were obtained. To shearer traction speed and torque shaft shear stress and displacement as constraints,optimize the unloading groove. Results show that when the shearer traction speed is greater than 12. 2367m/min,the torque shaft fracture in time,could improve the reliability of coal winning machine and service life.

关键词

采煤机扭矩轴神经网络可靠性灵敏度优化设计

Keywords

ShearerTorque shaftNeural networkReliabilitySensitivityOptimization design

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