Dynamics Analysis and Optimal Design of the Controllable Loading Mechanism

Zhang Lin; Li Junming; Wu Chengge; Cai Ganwei

doi:10.16578/j.issn.1004.2539.2018.02.010

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Dynamics Analysis and Optimal Design of the Controllable Loading Mechanism

更新时间：2022-10-20

- Dynamics Analysis and Optimal Design of the Controllable Loading Mechanism
- Vol. 42, Issue 2, Pages: 52-56(2018)
- 作者机构：
  
  1. 山东交通学院工程机械学院
  2. 广西科技大学人事处
  3. 广西大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.02.010
  CLC：
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[1]张林,李俊明,吴承格,蔡敢为.可控装载机构动力学分析与优化设计[J].机械传动,2018,42(02):52-56+62.

Zhang Lin, Li Junming, Wu Chengge, et al. Dynamics Analysis and Optimal Design of the Controllable Loading Mechanism. [J]. 42(2):52-56(2018)
[1]张林,李俊明,吴承格,蔡敢为.可控装载机构动力学分析与优化设计[J].机械传动,2018,42(02):52-56+62. DOI： 10.16578/j.issn.1004.2539.2018.02.010.

Zhang Lin, Li Junming, Wu Chengge, et al. Dynamics Analysis and Optimal Design of the Controllable Loading Mechanism. [J]. 42(2):52-56(2018) DOI： 10.16578/j.issn.1004.2539.2018.02.010.

摘要

以新型可控机构式装载机为研究对象,以动臂升降支链关键参数作为设计变量,以第一主动杆在动臂举升过程中最大力矩最小为优化目标,以整体布局、传动角以及奇异性等作为约束条件,建立了动臂升降支链的尺度优化模型;利用复合形法对优化模型进行了数值求解,得到了动臂升降支链各构件最佳尺度参数;并使第一主动杆最大驱动力矩降低了11%。通过基于ADAMS的虚拟样机仿真,仿真结果表明,优化后可控装载机构动态性能得到了明显改善,当动臂位于上极限位置时第一主动杆接近逆运动学奇异位置,功率减小了80%。该研究将为可控机构式装载机性能提升提供依据。

Abstract

The study object is the new controllable machinery loader,the design variable is the key parameters of boom lift branched,and the optimization goal is the least of maximum torque of the first during active-member lifting,and the constraints are overall layout,transmission angle and singularity,then the dimension optimization model of boom lift branched is built. What’s more,by using complex method,the numerical solving on optimization model is carried out and the best dimension parameters of each member of boom lift branched are obtained and the maximum drive torque of first active-member is lowered by 11%. Finally,the virtual prototype simulation based on ADAMS is conducted. The simulation result shows that the dynamics performance of optimized controllable loading mechanism is significantly improved. When boom is at the top position the first active-member is close to the inverse kinematics singular position and the power is reduced by80%. This study will provide a basis for performance promoting of controllable machinery loader.

关键词

可控装载机构上限举升工况尺度优化复合形法

Keywords

Controllable loading mechanismUpper lifting conditionDimensional optimizationComplex method

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