Design of Hydrostatic Chassis Drive System for Large Plant Protection Machine

Chengliang Zhang, Changpu Li, Chunzhao Zhao, Lei Li, Guanlei Gao and Xiyuan Chen
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Chengliang Zhang: School of Mechanical Engineering, University of Jinan, Jinan 250022, China
Changpu Li: School of Mechanical Engineering, University of Jinan, Jinan 250022, China
Chunzhao Zhao: School of Mechanical Engineering, University of Jinan, Jinan 250022, China
Lei Li: School of Mechanical and Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
Guanlei Gao: School of Mechanical Engineering, University of Jinan, Jinan 250022, China
Xiyuan Chen: Shandong Huasheng Zhongtian Machinery Group Co., Ltd., Linyi 276000, China

Agriculture, 2022, vol. 12, issue 8, 1-16

Abstract: In order to meet the working performance of large plant protection machine and according to the actual working requirements, this paper proposes a design of hydrostatic chassis drive system for a large plant protection machine. The purpose of this study is to realize the anti-slip rotation function of the plant protection machine and improve the driving stability through the combination of a hydraulic drive system and shunt valve. In this study, a closed circuit with a single pump and four motors is used, and a diverter valve is used to prevent the wheels from skidding during the driving of the plant protection machine. The parameters of the main hydraulic components of the hydraulic drive system were firstly calculated and selected; then the AMESim software was used to model and simulate the hydraulic drive system. Finally, a test platform with anti-skid function is designed and built, and the test results are as follows: when the diverter valve is closed, the plant protection machine drives at 3 km/h and 6 km/h respectively, and the skid rate is 3.79% and 6.17%; when the diverter valve is open, the plant protection machine drives at 3 km/h and 6 km/h respectively, and the skid rate is 1.33% and 2.70% respectively. The test results show that the hydraulic chassis of the plant protection machine designed in this study has good driving stability and can effectively reduce the slip rate of the plant protection machine in the process of driving in the field, which provides an effective theoretical support for the design of the driving system of the hydraulic chassis of the plant protection machine.

Keywords: hydraulic chassis; anti-slip; diverter valve; AMESim simulation (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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