Author
Listed:
- Mingsheng Li
(College of Engineering and Technology, Southwest University, Chongqing 400715, China)
- Yulin Yan
(College of Engineering and Technology, Southwest University, Chongqing 400715, China)
- Lin Tian
(College of Engineering, China Agricultural University, Beijing 100091, China)
- Xingzheng Chen
(College of Engineering and Technology, Southwest University, Chongqing 400715, China)
- Fanyi Liu
(College of Engineering and Technology, Southwest University, Chongqing 400715, China)
Abstract
Drawing upon advancements in profiling technology, this paper presents an innovative lateral profiling mechanism for the header to improve mowing efficiency and the ability to adapt to terrain for river dike mowers. It delves into the imitation principle and forced situations. Furthermore, a novel lawn protection boot design has been introduced, capable of adjusting mowing heights with swift transitions. The structural integrity of this boot has been optimized through rigorous finite element analysis. Meanwhile, the rolling shaft and cutter have been carefully selected and designed, with a mechanical model of the cutter established to examine its motion and force characteristics. In addition, hydraulic circuits tailored to fulfill the required functions of the header have been devised, and key hydraulic components have been appropriately selected. Key components are subjected to finite element analysis by using ANSYS to verify and optimize their structural strength. Prototype testing and field trials are subsequently conducted, revealing that the mower can achieve a mowing speed of 0.85 m/s on flat ground and a 25-degree slope, thereby fulfilling the design requirements for mowing speed. The imitation mechanism adapts to different embankment terrains. Notably, the lawn protection boots offer adjustable mowing heights of 10.4 cm, 12 cm, and 14 cm, respectively, with a height adjustment range of approximately 2 cm for each position, meeting the requirement for adjusting mowing heights. In addition, the transition time between different positions of the lawn protection boots is less than 5 min, achieving rapid switching and operational efficiency. Furthermore, a mowing uniformity test is conducted by using a header equipped with profiling functionality. The results reveal that the mowing effect of the profiling header meets design requirements, demonstrating its effectiveness and reliability in agricultural applications.
Suggested Citation
Mingsheng Li & Yulin Yan & Lin Tian & Xingzheng Chen & Fanyi Liu, 2024.
"Design and Experiment of the Profiling Header of River Dike Mower,"
Agriculture, MDPI, vol. 14(7), pages 1-17, July.
Handle:
RePEc:gam:jagris:v:14:y:2024:i:7:p:1188-:d:1438485
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