Design and Test of a Baling Compression and Net-Wrapping Device for Self-Propelled Straw-Harvesting and -Baling Machines

Lihang Jiao, Zehua Hao, Yinping Zhang (), Zhenwei Wang, Hua Zhou and Peng Fu
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Lihang Jiao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
Zehua Hao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
Yinping Zhang: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
Zhenwei Wang: Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China
Hua Zhou: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
Peng Fu: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China

Agriculture, 2025, vol. 15, issue 6, 1-21

Abstract: To address the issues of large turning radius, low mechanical compression bale density, and high requirements for knotters in existing towed straw balers, a self-propelled straw-harvesting and -baling machine has been developed. The machine can perform multiple tasks in one pass, including the harvesting, chopping, dust removal, compression bale, and net-wrapping of corn straws. By utilizing a hydraulic closed-compression system, the straw naturally binds together and is wrapped in netting, eliminating the need for knotters, thereby reducing operational costs and increasing bale density. This study focused on designing a baling compression and net-wrapping device, calculating the parameters of the compression hydraulic cylinder and hydraulic system, designing the control system, and conducting field tests. The results show that the finisher baling rate reached 99%, the regular bale rate reached 100%, the bale density was 264.77 kg/m 3 , the bale drop resistance rate was 94%, and the pure working hour productivity was 4.03 t/h. This research provides a reference for the design of straw-harvesting balers.

Keywords: straw-harvesting and -baling machine; baling compression device; net-wrapping device; hydraulic system; control system (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: 2025
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