Analysis and Experiment of Dynamic Picking Process of Spindle of Cotton Picker

Haiyang Li, Xiuqing Fu, Hongwen Zhang (), Longchang Zhang, Meng Wang, Lei Wang, Xintian Du, Ximei Wei and Xuewen Fu
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Haiyang Li: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Xiuqing Fu: College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
Hongwen Zhang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Longchang Zhang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Meng Wang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Lei Wang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Xintian Du: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Ximei Wei: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
Xuewen Fu: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China

Agriculture, 2022, vol. 12, issue 9, 1-12

Abstract: The spindle is a key core component of a cotton picker, and its operating parameters directly affect the quality of cotton harvesting. In this study, the spindle was selected as the research object. The kinematics and mechanics analysis of the cotton-picking process was conducted, the dynamic motion trajectory of the spindle was obtained, and the working parameters affecting the picking performance of the spindle were determined. A test bench for spindle picking performance was built; the spindle speed and feed speed were used as test factors; the seed cotton rejection rate, picking time, and picking force were used as evaluation indices for spindle picking performance; and a full-factor test was conducted. The range, variance, and regression analyses were conducted on the test results, and the results showed that spindle speed and feed speed had significant effects on seed cotton rejection rate, picking force, and picking time ( p < 0.01). The primary and secondary order of factors affecting seed cotton rejection rate and picking time were spindle speed and feed speed, and the primary and secondary order of factors affecting picking force were feed and spindle speed. By comprehensively analyzing the influence of factors on the evaluation indices, the best combination was obtained as the spindle speed and feed speed of 4000 r/min and 1.8 m/s, respectively. The research results have theoretical research value and practical significance for revealing the picking law of spindles when rotating at a high speed and then realizing efficient cotton harvesting.

Keywords: cotton picker spindle; cotton picking process; spindle speed; feed speed (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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