Design and test of the key components for a combing-type tobacco harvester
Keywords:
harvesting machinery, leaf tobacco, combing-type, tiered harvest, synchronizing mechanismAbstract
In response to the problems of low efficiency, high labor intensity, and low mechanization in manual tobacco harvesting, a comb-off tobacco picking device for southern hilly tobacco areas was designed following the agronomic requirements and the principle of manual picking of tobacco harvesting in southern China. The device was composed of the power chassis, picking mechanism, and storage mechanism. This study involved the theoretical analysis, structural design, and modeling of the key components, such as chassis structure, combing-type picking mechanism, and power synchronization mechanism. The results of the motion analysis and calculation of the picking process demonstrated that the adjustment range of the comb chain elevation angles was from 12.4° to 20.9°, the comb rod installation distance was 76.2 mm, and the synchronizing mechanism transmission ratio was 3:10. One-factor test and three-factor three-level orthogonal test was performed with the forward speed of the chassis, the distance between the picking device baffles and the elevation angle of the chain with the combing bar as test factors, and the rate of broken and missed tobacco picking as evaluation indicators. It was revealed that the optimal combination of the forward speed of the chassis, the distance between the baffles, and the chain elevation angle were 1.5 km/h, 75 mm, and 12.4°, respectively. Moreover, verification tests suggested that the breakage rate of tobacco leaves was 9.99%, and the probability of missed tobacco picking was 7.31%, both of which satisfy the agriculture requirements and the operational requirements in the agricultural machinery certification syllabus. Keywords: harvesting machinery, leaf tobacco, combing-type, tiered harvest, synchronizing mechanism DOI: 10.25165/j.ijabe.20241701.8324 Citation: Sun C R, Tan S H, Sun S L, Miao M T, Chen L M, Ai W K, et al. Design and test of the key components for a combing-type tobacco harvester. Int J Agric & Biol Eng, 2024; 17(1): 145-153.References
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[2] Tian Y Y, Zeng Z W, Gong H, Zhou Y H, Qi L, Zhen W B. Simulation of tensile behavior of tobacco leaf using the discrete element method (DEM). Computers and Electronics in Agriculture, 2023; 205: 107570.
[3] Papusha S K, Kozhura F A, Zhadko V V. Mechanization of tobacco harvesting. The state, problems and prospects of developmen. AIP Publishing, 2022; 2503(1).
[4] Yu Y C, Wei F D, Qin W H, Liu T, Zeng M, Ning W Y. Technology development of tobacco harvester. Journal of Agricultural Mechanization Research, 2016; 38(2): 255–262. (in Chinese)
[5] Yu J, Chu J K, Wu Z X, Wang Y L. Scheme design of automatic tobacco harvester. Journal of Agricultural Mechanization Research, 2019; 41(4): 70–74. (in Chinese)
[6] Chen E M, Zhu Z W, Zhang X H. Status and develop countermeasure of tobacco farmland produce mechanization in China. Journal of Agricultural Mechanization Research, 2008; 30(10): 227–230. (in Chines
[7] Wang X F. Research status and development trend of tobacco harvester. Science and Technology Prospects, 2015; 25(13): 64–65. (in Chinese)
[8] Cheng Y Z, Zheng X Z. The status quo and comparative analysis of the technological development of tobacco industry in China and abroad. Social Sciences in Yunnan, 2001; Z1: 122–126. (in Chinese)
[9] Zhou C L. Research surveys of tobacco introduction of agricultural machinery. Times Agricultural Machinery, 2012; 39(3): 16–18. (in Chinese)
[10] Robert G R, Defoliating Tobacco Harvester: United States, 5293733. P. Mar. 15, 1994.
[11] Li Y, Liu G S, Liu J, Li J W, Li H Q, Tian H. An automatic walking tobacco harvester: China, 201010226313.0. P. Jan. 25, 2012. (in Chinese)
[12] Tao Y L, Guo X Y, Liu G W, Hu Z Y, Chang Q Z. Adaptive row spacing tobacco harvester: China, 200920094434.7. P. Jun. 23, 2010. (in Chinese)
[13] Li Z G. Design and development of intelligent bionic picking system for self-propelled tobacco leaves. Master’s Thesis. Zhengzhou: Henan Agricultural University, 2016; 10p. (in Chinese)
[14] Fan X B, Li D, Zuo X Q, Xue J Y. Effect of climate conditions on tobacco growth. Heilongjiang Agricultural Sciences, 2016; 4: 27–30. (in Chinese)
[15] Yin B Z, Liu P, Cui Y W, Hu Z H, Li X L, Pan Z H, et al. Soil physical properties, nutrients, and crop yield with two-year tillage rotations under a winter wheat-summer maize double cropping system. Int J Agric & Biol Eng, 2022; 15(1): 172–181.
[16] Yu J, Chu J, Li Y. Experimental study on connection strength between tobacco stem and leaf. Applied Engineering in Agriculture, 2021; 37(6): 1055–1062.
[17] Gršić K, Čavlek M. Effect of topping height and maturity on the quality of flue-cured tobacco cultivars. Journal of Central European Agriculture, 2019; 20(3): 841–851.
[18] Wang H D. Ripening and harvesting analysis of flue-cured tobacco leaves. Technology Innovation and Application, 2017; 22: 190–191. (in Chinese)
[19] Zhao J Z, Wang F C, Yu B, Wang D C. Design and test of agricultural imitation crawler power chassis. Transactions of the CSAM, 2014; 45(9): 20–24. (in Chinese)
[20] Yin X, Yu Z D, Yu K, Jin C Q. Development of a control system for a general-purpose crawler-type chassis in agriculture. Journal of Chinese Agricultural Mechanization, 2018; 39(12): 73–77. (in Chinese)
[21] Yan Y M, Yang F Y, Cheng Z G. Design of 4CRZ-424 type walking device for tobacco leaf harvesting and plant protection. Journal of Chinese Agricultural Mechanization, 2019; 40(5): 58. (in Chinese)
[22] Yan Y M, Feng C Y, Zhang G M. Design of traveling gear in 2YZS-selfpropelled tobacco transplanter. Journal of Chinese Agricultural Mechanization, 2013; 34(6): 239–243. (in Chinese)
[23] Han Y, Xiao H R, Song ZY, Chen QM, Ding W Q, Mei S. Design and experiments of 4CJ-1200 self-propelled tea plucking machine. Int J Agric & Biol Eng, 2021; 14(6): 75–84.
[24] Liu S X, Wang J X, Mou H W, Fan L X, Fu S H, Zhu C W. Design and experiment of moving along ridge control system for tobacco picking machine. Transactions of the CSAE, 2015; 31(Z2): 83–87. (in Chinese)
[25] Li C, Xing J J, Xu L M, He S L, Li S J. Design and experiment of wine grape threshing mechanism with flexible combing striping monomer. Transactions of the CSAE, 2015; 31(6): 290–296. (in Chinese)
[26] Zhang H, Chen B, Li Z, Zhu C, Jin E, Qu Z. Design and simulation analysis of a reverse flexible harvesting device for fresh corn. Agriculture, 2022; 12(11): 1953.
[27] Du X Q, Shen T F, Zhao L J, Zhang G F, Hu A G, Fang S G, et al. Design and experiment of the comb-brush harvesting machine with variable spacing for oil-tea camellia fruit. Int J Agric & Biol Eng, 2021; 14(1): 172–177.
[28] Cai J L, Zhang J X, Guo G, Gao Z B, Wang X X. Improved design and test of flexible cotton stalks puller. Int J Agric & Biol Eng, 2023; 16(3): 78–84.
[29] Feng Y L, Yin X C, Jin H R, Tong W Y, Ning X F. Design and experiment of a Chinese chive harvester. Int J Agric & Biol Eng, 2023; 16(2): 125–131.
[30] Agricultural Machinery Identification Program; DG/T 275-2022 Tobacco leaf harvester. Ministry of Agriculture and Rural Affairs of the People’s Republic of China: Beijing, China, 2022; pp.2–22. (in Chinese)
[31] Tang G Y, Jiao K F. Test method of tobacco harvester. Modern Agricultural Science and Technology, 2014; 23: 203–204. (in Chinese)
[32] Xu X H, He M Z. Science Press. Experimental design and application of Design-Expert and SPSS. China. 2010. pp.116–124. (in Chinese)
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Published
2024-03-31
How to Cite
Sun, C., Tan, S., Sun, S., Xiao, M., Chen, L., Ai, W., … He, Y. (2024). Design and test of the key components for a combing-type tobacco harvester. International Journal of Agricultural and Biological Engineering, 17(1), 145–153. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/8324
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Power and Machinery Systems
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