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Design and Performance Analysis of a Sunflower Cutting Table Based on the Principle of Manual Disk Pick-Up

Author

Listed:
  • Bin Li

    (School of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
    Institute of Mechanical Equipment, Xinjiang Academy of Agricultural Sciences, Shihezi 832000, China)

  • Xiaolong Gao

    (School of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China)

  • Xuegeng Chen

    (School of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China)

  • Yang Liu

    (Institute of Mechanical Equipment, Xinjiang Academy of Agricultural Sciences, Shihezi 832000, China)

  • Shiguo Wang

    (Institute of Mechanical Equipment, Xinjiang Academy of Agricultural Sciences, Shihezi 832000, China)

  • Yuncheng Dong

    (Institute of Mechanical Equipment, Xinjiang Academy of Agricultural Sciences, Shihezi 832000, China)

Abstract

To solve the problems associated with the poor harvesting ability of existing sunflower harvester cutting tables, and high seed drop rates, we designed a sunflower cutting table that can greatly improve the operational performance of sunflower combine harvesters. In this paper, we introduce the structure and principle of the whole machine and select the key parameters of the cutting table with the goal of adapting to a variety of planting modes in Xinjiang, China. Since the harvesting of sunflower in the wrong row easily causes the sunflower stalks to break, ADAMS (Version: 2020) simulation experiments were carried out to investigate the effects of the forward speed of the machine, the height of the sunflower insertion disk, and the angle of inclination of the harvest divider on the offset angle of the sunflower. With the goal of reducing the offset angle of the stalks in the forward direction of the harvest divider and reducing the size of the cutting table, the harvest divider inclination angle was chosen to be 45°; by using Design-Expert V13.0.15 software, a three-factor, three-level field test was carried out to determine the optimal parameter combinations that resulted in the minimum seed loss rate and the maximum success rate of the disk picking. Moreover, a validation test was conducted. The results show that when the forward speed is set to 0.62 m/s, the lifting speed of the pick-up disk device is set to 0.42 m/s, and the height of the inserted disk is set to 1000 mm, the relative errors between the theoretical values of the disk-picking success rate of the cutting table and the seed loss rate and the field test values are 6.5% and 1.3%, respectively. The results of the present study can provide a reference for improving the performance of sunflower harvester cutting tables and for the mechanical harvesting of inserted disk sunflowers.

Suggested Citation

  • Bin Li & Xiaolong Gao & Xuegeng Chen & Yang Liu & Shiguo Wang & Yuncheng Dong, 2024. "Design and Performance Analysis of a Sunflower Cutting Table Based on the Principle of Manual Disk Pick-Up," Agriculture, MDPI, vol. 14(3), pages 1-19, March.
  • Handle: RePEc:gam:jagris:v:14:y:2024:i:3:p:446-:d:1354319
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