Research on the Structural Strength of the New Energy Cantilever Type Reducer Box at the Wheel Side

Huang Hongtao; Xu Wenbo; Zhong Ming; Wang Xiaopeng; Sun Jiang

doi:10.16578/j.issn.1004.2539.2023.04.007

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Research on the Structural Strength of the New Energy Cantilever Type Reducer Box at the Wheel Side

Theory·Research | 更新时间：2023-05-04

- Research on the Structural Strength of the New Energy Cantilever Type Reducer Box at the Wheel Side
- Journal of Mechanical Transmission Vol. 47, Issue 4, Pages: 44-49(2023)
- 作者机构：
  
  1.郑机所（郑州）传动科技有限公司，河南郑州 450001
  2.郑州机械研究所有限公司，河南郑州 450001
  3.郑州宇通重工有限公司，河南郑州 450012
  4.郑州航空工业管理学院航空宇航学院，河南郑州 450015
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.04.007
  CLC：
- Published：15 April 2023，
  
  Received：01 November 2022，
  
  Revised：28 November 2022，
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黄红涛,徐文博,钟鸣等.新能源悬臂型轮边减速器箱体结构强度研究[J].机械传动,2023,47(04):44-49.

Huang Hongtao,Xu Wenbo,Zhong Ming,et al.Research on the Structural Strength of the New Energy Cantilever Type Reducer Box at the Wheel Side[J].Journal of Mechanical Transmission,2023,47(04):44-49.
黄红涛,徐文博,钟鸣等.新能源悬臂型轮边减速器箱体结构强度研究[J].机械传动,2023,47(04):44-49. DOI： 10.16578/j.issn.1004.2539.2023.04.007.

Huang Hongtao,Xu Wenbo,Zhong Ming,et al.Research on the Structural Strength of the New Energy Cantilever Type Reducer Box at the Wheel Side[J].Journal of Mechanical Transmission,2023,47(04):44-49. DOI： 10.16578/j.issn.1004.2539.2023.04.007.

摘要

轮边减速器作为重型或新能源车辆重要的减速增扭传动结构之一，其箱体是齿轮传动系统内部载荷和车架连接外部载荷的重要承载体，箱体结构设计合理和强度性能满足是轮边减速器平稳运行的重要保证。基于箱体三维几何结构和有限元分析方法，建立集“模型-强度评判-运转”的箱体结构分析方法，综合研究了箱体的结构强度及密封性。结果表明，采用组合计算的载荷和强度评判准则下的箱体具有足量的设计强度和刚度，可以支撑内场传动系统的平稳运行和抵抗外载荷作用变形；足量的螺栓分布和合适的螺栓型号可以保证箱体结合面接触面均匀分布，且不发生漏油现象；箱体试验结果与理论分析基本吻合。提出的结构强度分析方法为箱体的结构设计提供了技术参考。

Abstract

The wheel reducer is one of important transmission structures of heavy or new energy vehicles for increased torque and reduces speed. The gearbox mainly carries the internal load from gear transmission and the external load from frame connection. The reasonable design and strength performance of the gearbox are important guarantees for the smooth operation of the wheel reducer. Based on the three-dimensional geometric structure of the gearbox and the finite element analysis method

a structural strength analysis method integrating "model-strength evaluation-running" is established and the structural strength of the gearbox is investigated comprehensively. The results show that the box under the load and strength evaluation criteria of combined calculation has sufficient design strength and stiffness

which can support the smooth operation of the infield transmission system and resist the deformation caused by external load. The distributed contact area of the joint surface of gearboxes is ensured by the sufficient distribution and strength of bolts

and no oil leakage occurs in the gearbox. The operational experiment result of gearboxes is in agreement with the above theoretical analysis. The proposed structural strength analysis method provides a technical basis for the structural design of the gearbox.

关键词

轮边减速器箱体结构疲劳强度运转分析

Keywords

Wheel reducerGearbox structureFatigue strengthOperational analysis

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