Multi-body dynamics simulation and experiment of pre-baling device for vertical harvesting of whole-stalk sugarcane

XU Fengying; XIA Tengfei; LIU Qingting; ZOU Xiaoping; CHEN Zhen; LUO Juchuan

doi:10.7671/j.issn.1001-411X.202401022

Journal of South China Agricultural University > 2025 > 46(1): 124-132. > DOI: 10.7671/j.issn.1001-411X.202401022

XU Fengying, XIA Tengfei, LIU Qingting, et al. Multi-body dynamics simulation and experiment of pre-baling device for vertical harvesting of whole-stalk sugarcane[J]. Journal of South China Agricultural University, 2025, 46(1): 124-132. DOI: 10.7671/j.issn.1001-411X.202401022

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Multi-body dynamics simulation and experiment of pre-baling device for vertical harvesting of whole-stalk sugarcane

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

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Received Date: January 15, 2024
Available Online: December 10, 2024
Published Date: December 15, 2024

Graphical Abstract

Abstract

Abstract

Objective
This article aims to address the challenges of upright sugarcane harvesting, specifically the lack of bundling mechanisms, which leads to large harvester sizes and difficulties in orderly collecting sugarcane on complex terrain.
Method
A pre-baling device for vertical harvesting of whole-stalk sugarcane growing uprightly was designed. Based on multi-body dynamics analysis, simulation and bench test were used to quantify the pre-baling performance (centroid height of sugarcane and success rate of pre-baling) with different controlling factors (the height and rotational speed of the lower rotating finger).
Result
Both the height and rotational speed of the lower rotating finger significantly affected the success rate of pre-baling (P<0.05), and the results of the bench test were basically consistent with the simulation results. Among the 18 pre-baling modes, the mode with the 400 mm height of the lower rotating finger and 300 r/min rotational speed achieved a 100% pre-baling success rate. During the pre-baling process, the centroid height of sugarcane showed a V-shaped dynamic, and the highest operational safety was achieved. This mode was recommended as the preferred mode.
Conclusion
With a compact structure and high pre-baling success rate, the vertical pre-baling device designed by this study can fill the harvesting requirement of sugarcanes growing on hillside areas with complicated terrain conditions. The pre-baling mechanism explored by this study has wide reference value for design of combined sugarcane harvester.
- Whole-stalk sugarcane,
- Vertical pre-baling device,
- Centroid height,
- Success rate of pre-baling,
- Mechanical harvesting

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