Winding Characteristics and Signal Characterization of Roller During Threshing of Mature Rice

Kexin Que, Xiaobo Zhuang (), Yanyun Shi, Zhexuan Ding, Zhong Tang, Tiantian Jing, Yunlong Cao, Bangzhui Wang and Yao Yu
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Kexin Que: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Xiaobo Zhuang: College of Automation, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Yanyun Shi: College of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
Zhexuan Ding: College of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
Zhong Tang: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Tiantian Jing: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Yunlong Cao: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Bangzhui Wang: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Yao Yu: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China

Agriculture, 2024, vol. 14, issue 12, 1-22

Abstract: As rice yield rises, the issue of broken axis windings in mature rice threshing drums is becoming increasingly severe. To disclose the winding characteristics and signal traits of the drums during the threshing process of mature rice, this paper undertakes an analysis of the winding characteristics and signals of the drums in rice with the assistance of a vibration test and analysis system. Since rice can lead to drum winding and shaft breakage, this paper alters the driving mode of the drums to exhibit the influence of rice on them. Firstly, the transfer characteristics of the frame need to be studied and analyzed, followed by subsequent research. The test results indicate that the horizontal displacement of the cylinder axial trajectory rises with the growth of the transmission chain, while the vertical displacement drops with the growth of the transmission chain. Additionally, to investigate the effect of mature rice on the threshing performance of horizontal axis II and horizontal axis III, a control variable method was employed. This approach allowed for the observation of how mature rice influences the threshing roller by systematically adjusting both the threshing gap and the rotational speed of the roller. It can be discerned from the test results that with the reduction of the threshing gap of affected mature rice, the unstripped rate gradually declines, while the entrainment loss rate gradually increases. As the rotational speed of horizontal shaft roller III increases, the rate of uncleared material gradually decreases, while the rate of entrainment loss progressively rises. The research findings can furnish a reference for the winding characteristics of rice on rollers and the enhancement of vehicle driving comfort.

Keywords: multiple rollers; vibration test; winding characteristic; transmission mode; displacement (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: 2024
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