Design and Experiment of Feeding Device for Hairy Vetch Harvesting

Wei Wang, Jiahang Li, Shuoming Wang, Lei Li, Lin Yuan, Shiqiang Yv, Jun Zhang, Junming Hou and Ren Zhang ()
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Wei Wang: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Jiahang Li: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Shuoming Wang: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Lei Li: Zhanglou Town Government of Chengwu County, Heze 274205, China
Lin Yuan: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Shiqiang Yv: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Jun Zhang: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Junming Hou: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China
Ren Zhang: College of Engineering, Shenyang Agricultural University, 120 Dongling Road, Shenhe District, Shenyang 110161, China

Agriculture, 2023, vol. 13, issue 2, 1-17

Abstract: In order to solve the problem of low mechanization level of hairy vetch harvesting, a feeding device for an anti-winding hairy vetch harvester was designed. Firstly, the physical properties of hairy vetch stalk were studied. According to the mechanical properties of hairy vetch stalk, the key components of the feeding device were designed and analyzed, the structure and working principle of the feeding device were described. Secondly, the discrete element method was used to simulate and analyze the movement performance of the feeding device. On this basis, the ternary quadratic regression orthogonal rotation combination test was established with the vertical drum, the machine forward speed, and the spiral conveyor speed as the test factors and the stem loss rate as the test index. The simulation results showed that when the vertical drum was 1037.5 r/min, the machine forward speed was 2.76 m/s, the spiral conveyor speed was 348.88 r/min, and the straw loss rate was 2.38%, and the feeding device performs best at this time. Finally, the on-site performance test of the feeding device was carried out. The results showed that: all the test indicators met the requirements of the national standard; the actual cutting width was 1.66 m; the cutting stubble height was 6.41 mm; the over stubble loss rate was 0.45%; the missed cutting loss rate was 0.20%; and the stem loss rate was 3.00%, which verified the rationality of the design of the feeding device. In order to solve the problem of low mechanization level of hairy vetch, which easily becomes entangled in the working process, an anti-winding feeding device for hairy vetch harvesting was designed.

Keywords: hairy vetch; harvesting machine; feeding device; anti-winding; discrete element method (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: 2023
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