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Design and Optimization of High Ground Clearance Self-Propelled Sprayer Chassis Frame

Author

Listed:
  • Liquan Lu

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Bin Liu

    (Beijing Electric Vehicle Co., Ltd., Beijing 102606, China)

  • Enrong Mao

    (Beijing Key Laboratory of Optimized Design for Modern Agricultural Equipment, China Agricultural University, Beijing 100083, China)

  • Zhenghe Song

    (Beijing Key Laboratory of Optimized Design for Modern Agricultural Equipment, China Agricultural University, Beijing 100083, China)

  • Jun Chen

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

  • Yu Chen

    (College of Mechanical and Electronic Engineering, Northwest A&F University, Xianyang 712100, China)

Abstract

As an important machine for agricultural application, the upland gap self-propelled sprayer is environmental friendly and operates efficiently. In this paper, the chassis frame, which is one of the important components of the sprayer, is studied and a disconnected longitudinal beam frame with an X-shaped reinforcement beam was designed. The static mechanical properties of the frame under bending, torsion, emergency braking and emergency turning conditions are analyzed by a finite element method, and the optimization idea was proposed. On this basis, the topology optimization method was applied to optimize the crossbeam and the reinforcement beam positions, resulting in a 2.2% reduction in the overall mass of the frame, a 19.4% reduction in the maximum deformation while maintaining a small change in the maximum stress in the bending condition, and a 4.1% and 15.1% reduction in the maximum deformation and maximum stress of the frame in the torsion condition, respectively. The frame section width and thickness parameters were optimized by multi-objective driven optimization. The results showed that the frame mass and maximum stress were reduced by 6.8% and 1.9%, respectively, in the bending condition at the cost of a slight increase in frame deformation.

Suggested Citation

  • Liquan Lu & Bin Liu & Enrong Mao & Zhenghe Song & Jun Chen & Yu Chen, 2023. "Design and Optimization of High Ground Clearance Self-Propelled Sprayer Chassis Frame," Agriculture, MDPI, vol. 13(2), pages 1-19, January.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:2:p:233-:d:1040034
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    References listed on IDEAS

    as
    1. Wei Li & Fan Yang & Enrong Mao & Mingxi Shao & Haochen Sui & Yuefeng Du, 2022. "Design and Verification of Crab Steering System for High Clearance Self-Propelled Sprayer," Agriculture, MDPI, vol. 12(11), pages 1-16, November.
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