Design and parameters optimization for cutting-conveying mechanism of ramie combine harvester
Keywords:
ramie, harvester, operating parameters, multi-objective optimization, response surfaceAbstract
In order to solve the problems of uneven stubble, low cutting efficiency and frequent breaking and blocking in the cutting and conveying links of ramie combine harvester, a reciprocating double movable blades cutter and a double-layer chain conveyor were designed, and the operating parameter test and optimization were carried out by using the central combination test design theory, with the emphasis on the influence of the forward speed, the cutting speed of the cutter and the conveying speed of the chain on the cutting efficiency, the failure rate and the conveying rate, and the multi-objective optimization was carried out based on these response indicators. Firstly, the structure and operating parameters of the cutting-conveying mechanism of ramie combine were studied. Then, the experiment was designed by the quadratic orthogonal rotation combination test method, and the data is processed by Design-Expert. The regression mathematical model of cutting efficiency, failure rate and conveying rate was established and variance analysis was carried out. By analyzing the effect of interaction of various factors on cutting efficiency, failure rate and conveying rate by response surface methodology, and performing multi-objective optimization on the regression model according to the importance of the optimization target, the optimal combination of the operating parameters of the cutting-conveying parts of the ramie combine harvester was obtained: when the forward speed was 0.85 m/s, the cutting speed was 1.40 m/s, and the chain conveying speed was 1.33 m/s, the cutting efficiency and conveying rate were the maximum and the failure rate was the minimum, with the values of 44.36 plants/s, 93.60% and 4.16%, respectively. The optimized parameters were verified in the field on the ramie combine harvester. In the field test, the cutting efficiency, conveying rate, and failure rate were 43.80 plants/s, 92.45%, and 4.52%, respectively, and the relative errors with the optimized values were 1.3%, 1.2%, and 8.7%, respectively, which was relatively consistent. Keywords: ramie, harvester, operating parameters, multi-objective optimization, response surface DOI: 10.25165/j.ijabe.20201306.5952 Citation: 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.References
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[2] Shen C, Li X W, Zhang B, Tian K P, Huang J C, Chen Q M. Bench experiment and analysis on ramie stalk cutting. Transactions of the CSAE, 2016; 32(1): 68–76. (in Chinese)
[3] Shen C, Li X W, Tian K P, Zhang B, Huang J C, Chen Q M. Experimental analysis on mechanical model of ramie stalk. Transactions of the CSAE, 2015; 31(20): 26–33. (in Chinese)
[4] Xiong H P. Research on sustainable development strategy of modern agricultural industry in China. Beijing: China Agriculture Press, 2017. (in Chinese)
[5] Wang H W, Dai Q Z, Hou Z P, Wang Y Z, Wu D Q. Feed ramie: silage characteristics and comparison of nutrient composition and feeding value before and after silage. Chinese Journal of Animal Nutrition, 2018; 30(1): 293–298. (in Chinese)
[6] He Y, Cui H H, Tian W, Chen L M, Wang H R. The potential of ramie as forage resources for herbivorous animal and its advance in feeding value. Feed Industry magazine, 2016; 37(21): 26–30. (in Chinese)
[7] Wu D Q, Wei Z S, Gao S, Li Z C, Zeng G Z, Hou Z P, et al. Effects of replacing different partial alfalfa hay with ramie silage on performance, milk composition and serum parameters of dairy cows. Chinese Journal of Animal Nutrition, 2017; 29(5): 1645–1651. (in Chinese)
[8] Tian J. Pharmacognostic identification of boehmeriae radix. Asia-Pacific Traditional Medicine, 2019; 15(8): 74–76. (in Chinese)
[9] Chen B F, Chen J H, Mu B, Zeng M, Zhang H, Yu J, et al. Advances in medicinal health protection studies of boehmeria jacq.spp. Plant Fiber Sciences in China, 2016; 38(5): 237–241. (in Chinese)
[10] Liu X, Cheng L. Influence of surface treatment on property of ramie fiber reinforced composite. New Chemical Materials, 2018; 46(1): 140–143, 149. (in Chinese)
[11] Yu M M, Zhang H H, Liu Z M, Ge Z, Kong F G, Shao H L, et al. Effects of fiber dimension and its distribution on the properties of lyocell and ramie fibers reinforced polylactide composites. Fibers and Polymers, 2019; 20(8): 1726–1732.
[12] Anna Dilfi K F, Che Z J, Xian G J. Grafting of nano-silica onto ramie fiber for enhanced mechanical and interfacial properties of ramie/epoxy composite. Journal of Zhejiang University Science A (Applied Physics & Engineering), 2019; 20(9): 660–674.
[13] Li X L, She W, Bai Y C, Liu N N, Huang M S, Yang R F, et al. Ramie by-products utilization and intercropping patterns for mature-ramie field. Chinese Agricultural Science Bulletin, 2016; 32(33): 109–113. (in Chinese)
[14] Zhang X, Xiong C L, Jie Y C. Study on oyster mushroom cultivation with by-product of mechanical processing of ramie. Crop Research, 2013; 27(5): 457–460. (in Chinese)
[15] Lv J N, Long C H, Zhao J, Ma L, Lv H B, Liu J J, et al. Design and experiment of transverse-feeding ramie decorticator. Transactions of the Chinese Society of Agricultural Engineering, 2013, 29(16): 16–21. (in Chinese)
[16] Tian X J, Guo K J, Zhang D S, Su N, Man D W, Yuan X J. Design of the lifting ramie decorticator. Journal of Forestry Engineering, 2019; 4(3): 106–111. (in Chinese)
[17] Xiang W, Ma L, Liu J J, Xiao L, Long C H, Wen Q H, et al. Research progress on technology and equipment of ramie fibre stripping and processing in China. Journal of Agricultural Science and Technology, 2019; 21(11): 59–69. (in Chinese)
[18] Tang S W, Liu K, Dai Q Z, Wei Z S, Liu T M, Wang Y Z, et al. Research on mechanized harvesting and technology with agronomic intergration for forage ramie. Plant Fiber Sciences in China, 2018; 40(5): 226–233. (in Chinese)
[19] Liu J J, Long C H, Ma L, He H B, Lv J N. Feeding-ramie silage processing technology and the current situation and development trend of processing machine in China. Siliao Gongye, 2016; 37(21): 18–21. (in Chinese)
[20] Wang S, Zhang B, Li X W, Shen C, Tian K P, Huang J C. Research status on thick stalk crop cutting device and its problems and development proposals. Journal of Agricultural Mechanization Research, 2017; 39(8): 263–268. (in Chinese)
[21] Huang J C, Shen C, Ji A M, Tian K P, Zhang B, Li X W, et al. Design and test of two-wheeled walking hemp harvester. Int J Agric & Biol Eng, 2020; 13(1): 127–137.
[22] Huang J C, Shen C, Li X W, Tian K P, Chen Q M, Zhang B. Design and tests of hemp harvester. International Agricultural Engineering Journal, 2017; 26(2): 117–127.
[23] He H P, Shen C, Li X W, Zhang B, Chen Q M, Huang J C, et al. Status and prospect of reed harvesting equipment in China. International Agricultural Engineering Journal, 2019; 28(3): 128–136.
[24] Zhu H, Zhang Z G, Yu G. Development and test of hemp swather. Agricultural Engineering, 2018; 8(2): 95–98. (in Chinese)
[25] Huang J C, Li X W, Zhang B, Tian K P, Shen C, Wang J G. Research on
the 4LMZ160 crawler ramie combine harvester. Journal of Agricultural Mechanization Research, 2015; 9: 155–158, 163. (in Chinese)
[26] Long C H. The existing problem and countermeasure of bast fiber harvester at home and abroad. Plant Fiber Sciences in China, 2007; 29(S2): 420–424. (in Chinese)
[27] Pari L, Baraniecki P, Kaniewski R, Scarfone A. Harvesting strategies of bast fiber crops in Europe and in China. Industrial Crops and Products, 2015; 68: 90–96.
[28] Geng R Y, Zhang D L. New Agricultural Mechanics. Beijing: National Defense Industry Press, 2011. (in Chinese)
[29] Liu Z G, Wang D C, Zhai G X, Liu G L, Zhang N, Hao X Y. Design and experiment on reciprocating double knife shrub harvester. Transactions of the CSAM, 2013; 44(Supp. 2):102–106. (in Chinese)
[30] Xu X Y, Zhang W Q, Yang H M, Qi X D. Design and kinematic analysis of double-acting cutting device of walk-type pasture reaper. Transactions of the CSAE, 2011; 27(7): 156–161. (in Chinese)
[31] Ran J H, Mu S L, Li H T, Guan Z H, Tang Q, Wu C Y. Design and test of planet gear driver of reciprocating double-acting cutter for rapeseed combine harvester. Transactions of the CSAE, 2020; 36(9):17–25. (in Chinese)
[32] Song Z H, Song H L, Geng A J, Li Y D, Yan Y F, Li F D. Experiment on cutting characteristics of cotton stalk with double supports. Transactions of the CSAE, 2015; 31(16): 37–45. (in Chinese)
[33] Wang X S, Liu D W, Li X, Xie F P, Wu M L, Luo H F. Design and experiment of 4SY-2.0 self-propelled rape windrower. Journal of Hunan Agricultural University (Natural Sciences), 2016; 42(4): 445–453.
[34] Xu X H, He M Z. Experimental design and application of Design-Expert SPSS. Beijing: Science Press Co., Ltd, 2006; 205p. (in Chinese)
[35] Pan L J, Chen J Q. Experimental design and data processing. Nanjing: Southeast University Press, 2008; 257p. (in Chinese)
[36] Wang F C, Zhou X J, Shi Q X, Liu S D, Ni C A, Yao L L. Parameters study on transverse transport of new corn combine. Journal of Agricultural Mechanization Research, 2010; 36(5): 152–155. (in Chinese)
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Published
2020-12-03
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Huang, J., Tian, K., Shen, C., Zhang, B., Liu, H., Chen, Q., … Ji, A. (2020). Design and parameters optimization for cutting-conveying mechanism of ramie combine harvester. International Journal of Agricultural and Biological Engineering, 13(6), 94–103. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5952
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Power and Machinery Systems
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