Optimization design and experiment on feeding and chopping device of silage maize harvester
Keywords:
silage maize, feeding device, chopping device, stand grass length ratio, energy consumptionAbstract
Horizontal feeding devices and plate hob chopping devices are the key component of silage maize harvester. To solve the problem of feeding blockage, reduce energy consumption, and improve the chopping quality of the chopping device a horizontal different diameter five-rollers device (HDDFD) was designed and the plate hob chopping device was simultaneously optimized and analyzed. Through the dynamic analysis, the feeding conveying speed was determined to be 2.0-4.5 m/s. The distance equation of the actual and theoretical cutting-edge curve and the position of the fixed blade were finally obtained. Single factor and response surface orthogonal tests in the bench site were carried out with feeding speed, rotating speed of chopping cylinder, feeding amount, and feeding direction as influencing factors, standard grass length rate (SGLR), and energy consumption per unit mass (ECPUM) as evaluation indexes. The optimal working parameters for chopping performance could be concluded as a feeding speed of 3.39 m/s, rotating speed of the chopping cylinder of 1016.17 r/min, feeding amount of 8.04 kg/s, and feeding direction of 52.2°. In addition, the SGLR and ECPUM were obtained as 95.35% and 37.63 kJ/kg, respectively. The relative error between the experimental results with round parameter combination and the predicted value was verified to be less than 5%. Field tests verified the reliability of the optimized feeding and chopping device. It can be seen that the HDDFD and optimized plate hob chopping device can meet the requirements of mechanized silage harvesting which obviously improves the working quality and reduce the energy consumption of chopping. Keywords: silage maize, feeding device, chopping device, stand grass length ratio, energy consumption DOI: 10.25165/j.ijabe.20231603.7922 Citation: Chen M Z, Xu G F, Wei M J, Li X W, Wei Y Z, Diao P S, et al. Optimization design and experiment on feeding and chopping device of silage maize harvester. Int J Agric & Biol Eng, 2023; 16(3): 64–77.References
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[4] Zhang Z L, Han Z D, Li X D, Hao F P, Han K L, Han L J. Optimization of parameters for stalk chopper of corn harvester for reaping both corn stalk and spike. Journal of Agricultural Machinery, 2018; 49(S1): 273-281. (in Chinese)
[5] Zhu X L, Chi R J, Du Y F, Qin J H, Xiong Z X, Zhang W T, et al. Experimental study on the key factors of low-loss threshing of high-moisture maize. Int J Agric & Biol Eng, 2020; 13(5): 23–31. doi: 10.25165/j.ijabe.20201305.5653.
[6] Mou X, Jiang H, Sun Y. Simulation optimization and experiment of disc-type grain crushing device of silage corn harvester. Transactions of the CSAM, 2020; 5(1): 218-226. (in Chinese)
[7] Zhang F W, Song X F, Zhang X K, Zhang F Y, Wei W C, Dai F. Simulation and experiment on mechanical characteristics of kneading and crushing process of corn straw. Transactions of the CSAE, 2019; 35(9): 58-65. (in Chinese)
[8] Wang G, Jia H L, Tang L, Zhuang J, Jiang X M, Guo M Z. Design of variable screw pitch rib snapping roller and residue cutter for corn harvesters. Int J Agric & Biol Eng, 2016; 9(1): 27-34.
[9] Wan X Y, Liao Q X, Jiang Y J, Liao Y T. Cattle feeding experiment and chopping device parameter determination for mechanized harvesting of forage rape crop. Transactions of the ASABE, 2021; 64(2): 715-725.
[10] Hou L Y, Wang K R, Wang Y Z, Li L L, Ming B, Xie R Z. In-field harvest loss of mechanically-harvested maize grain and affecting factors in China. Int J Agric & Biol Eng, 2021; 14(1): 29–37.
[11] Ma P B, Li L Q, Wen B Q, Xue Y H, Kan Z, Li J B. Design and parameter optimization of spiral-dragon type straw chopping test rig. Int J Agric & Biol Eng, 2020; 13(1): 47–56.
[12] Wan Q, Wang D, Wang G, Gong Z Q, Bai Y. Design and experiment of self-propelled grass silage combined bagging machine. Transactions of the CSAE, 2014; 30(19): 30-37. (in Chinese)
[13] Zhang Z, Chi R J, Du Y F, Pan X, Dong N X, Xie B. Experiments and modeling of mechanism analysis of maize picking loss. Int J Agric & Biol Eng, 2021; 14(1): 11–19. doi: 10.25165/j.ijabe.20211401.5745.
[14] Wang W W, Li J C, Chen L Q, Qi H J, Liang X T. Effects of key parameters of straw chopping device on qualified rate, non-uniformity and power consumption. Int J Agric & Biol Eng, 2018; 11(1): 122–128. doi: 10.25165/j.ijabe.20181101.3114.
[15] Zhou H, Zhang J M, Xia J F, Tahir H M, Zhu Y H, Zhang C L. Effects of subsoiling on working quality and total power consumption for high stubble straw returning machine. Int J Agric & Biol Eng, 2019; 12(4): 56–62. doi: 10.25165/j.ijabe.20191204.4608.
[16] Igathinathane C, Womac A R, Sokhansanj S. Corn stalk orientation effect on mechanical cutting. Biosystems Engineering, 2010; 107(2): 97-106.
[17] Bochat A, Zastempowski M. Comparative study of rape straw cutting with two drum cutting assemblies. Transactions of the ASABE, 2020; 63(2): 345-350.
[18] Wu Z, Gao H, Zhang J. Study on cutting velocity and power requirement in a maize stalk chopping process. Transactions of the CSAM, 2001; 32(2): 38-41. (in Chinese)
[19] Zhang L X, Yang Z P, Zhang Q, Guo H L. Tensile properties of maize stalk rind. BioResources, 2016; 11(3): 6151-6161.
[20] Qi J T, Meng H W, Kan Z, Li C S, Li Y P. Analysis and test of feeding performance of dual-spiral cow feeding device based on EDEM. Transactions of the CSAE, 2017; 33(24): 65-71. (in Chinese)
[21] Shen C, Zhang B, Li X W, Yin G D, Chen Q M, Xia C H. Bench cutting tests and analysis for harvesting hemp stalk. Int J Agric & Biol Eng, 2017; 10(6): 56–67. doi: 10.25165/j.ijabe.20171006.3475.
[22] Lu Y, Payen S, Ledgard S, et al. Components of feed affecting water footprint of feedlot dairy farm systems in Northern China. Journal of Cleaner Production, 2018; 183: 208-219.
[23] Cui Y J, Wang W Q, Wang M H, Ma Y D, Fu L S. Effects of cutter parameters on shearing stress for lettuce harvesting using a specially developed fixture. Int J Agric & Biol Eng, 2021; 14(4): 152–158. doi: 10.25165/j.ijabe.20211404.6346.
[24] Huang J C, Tian K P, Shen C, Zhang B, Liu H L, Chen Q M, et al. Design and parameters optimization for cutting-conveying mechanism of ramie combine harvester. Int J Agric & Biol Eng, 2020; 13(6): 94–103. doi: 10.25165/j.ijabe.20201306.5952.
[25] Shen C, Zhang B, Li X W, Yin G D, Chen Q M, Xia C H. Bench cutting tests and analysis for harvesting hemp stalk. Int J Agric & Biol Eng, 2017; 10(6): 56–67. doi: 10.25165/j.ijabe.20171006.3475.
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Published
2023-08-17
How to Cite
Chen, M., Xu, G., Wei, M., Li, X., Wei, Y., Diao, P., … Teng, S. (2023). Optimization design and experiment on feeding and chopping device of silage maize harvester. International Journal of Agricultural and Biological Engineering, 16(3), 64–77. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7922
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Power and Machinery Systems
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