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Design of Hydrostatic Power Shift Compound Drive System for Cotton Picker Experiment

Author

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  • Huajun Chen

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Meng Wang

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Xiangdong Ni

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Wenqing Cai

    (College of Information Science and Technology, Shihezi University, Shihezi 832003, China)

  • Chunfa Zhong

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Haoyun Ye

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Yongqiang Zhao

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Wenlong Pan

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

  • Yuangang Lin

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Key Laboratory of Modern Agricultural Machinery, Xinjiang Production and Construction Corps, Shihezi 832000, China)

Abstract

To meet the working performance demand of cotton pickers, a hydrostatic power shift composite drive system design is proposed. This study aims to enhance the driving function of the cotton picker in various working conditions and improve its adaptability by combining a hydrostatic speed control system with a mechanical power shift structure. To achieve this, a single variable pump + double variable motor closed circuit is adopted. By adjusting the pump and motor displacement in stages, the driving speed of the cotton picker can be optimized for different working conditions. Additionally, the power shift mechanism is employed to increase the speed range and improve the transmission efficiency, enabling higher speeds to be achieved. Firstly, the main components of the composite drive system were calculated and selected, and then AMESim software was used for modeling and simulation analysis, and the results are as follows: When the cotton picker starts and picking operation stage variable displacement pump + fixed displacement dual motor speed control, the highest driving speed is 8.5 km/h. During the field and road transport operation stage fixed displacement pump + variable displacement dual motor speed regulation, the highest speed of 14.5 km/h was achieved in the field. When transferring to the road, the instant mechanical power shift speed and, the highest speed on the road was up to 27.5 km/h. Finally, the field experiment and speed ratio analysis of the drive system was conducted, and the average error of the experimental speed measurement was 0.588%. The speed ratio matching was in line with the design expectation. The results show that the hydrostatic power shift composite drive system designed in this study has good driving adaptability and can effectively meet the functions of cotton picker field picking, transport operation and road transportation in transit, which provides theoretical support for the design of cotton picker chassis drive system.

Suggested Citation

  • Huajun Chen & Meng Wang & Xiangdong Ni & Wenqing Cai & Chunfa Zhong & Haoyun Ye & Yongqiang Zhao & Wenlong Pan & Yuangang Lin, 2023. "Design of Hydrostatic Power Shift Compound Drive System for Cotton Picker Experiment," Agriculture, MDPI, vol. 13(8), pages 1-19, August.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:8:p:1591-:d:1214630
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    References listed on IDEAS

    as
    1. Chenhui Zhu & Hongmei Zhang & Wanzhang Wang & Kang Li & Wanru Liu, 2020. "Robust control of hydraulic tracked vehicle drive system based on quantitative feedback theory," International Journal of Distributed Sensor Networks, , vol. 16(2), pages 15501477209, February.
    2. Wenlong Pan & Lei Wang & Xiangdong Ni & Wenqing Cai & Yongqiang Zhao & Huajun Chen & Yuangang Lin & Yuhan Zhou, 2023. "Optimisation of Control Strategies for Power Shift Gearboxes," Agriculture, MDPI, vol. 13(6), pages 1-19, June.
    3. Seung-Yun Baek & Yeon-Soo Kim & Wan-Soo Kim & Seung-Min Baek & Yong-Joo Kim, 2020. "Development and Verification of a Simulation Model for 120 kW Class Electric AWD (All-Wheel-Drive) Tractor during Driving Operation," Energies, MDPI, vol. 13(10), pages 1-15, May.
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