Virtual simulation analysis and verification of seed-filling mechanism for dipper hill-drop precision direct rice seeder
Keywords:
precision direct rice seeding, rice seed, dipper seeder, seed-filling performance, EDEM, force modelAbstract
In order to improve the seeder’ seed-filling ability of the dipper hill-drop precision direct rice seeder, and to meet the mechanization requirement of high speed operation, the self-designed seeder was taken as the objective to explore its seed-filling mechanism and the movement status of rice seed in seed box from the perspective of mechanics. The force models of seed-filling process by dipper were established, and the influential regularity of its rotation speed to compressive resistance of seed population was analyzed as well. The image processing Module-Clipping of discrete element simulation software EDEM was used in the virtual simulation analysis for the process of the seed filling into the dipper, and the velocity relation curve and the force changing curve between rotation speed and seeds were obtained. According to the virtual experiment, the composite filling force of seeds, i.e. the qualified rate on filled rice seed amounts was the largest when rotation speed was at 40 r/min. The performance test bed of seeder was used to verify the simulation results, in which the qualified rate on scooped rice seed amounts was taken as the index, and six rotation speeds of seed-filling dipper were also selected for analysis of seed-filling ability of the device. The results are as follows: with the increase of working speed, the qualified rate on filled rice seed amounts fluctuated with a trend of cosine curve, the largest value was 94.16% occurred when the rotation speed of seed-filling dipper was at 40 r/min. The variation trend of simulation value was approximately consistent with that of verification value. The study can provide a reference for the research and development of mechanical seeder. Keywords: precision direct rice seeding, rice seed, dipper seeder, seed-filling performance, EDEM, force model DOI: 10.25165/j.ijabe.20171006.2981 Citation: Wang J W, Zhou W Q, Tian L Q, Li S W, Zhang Z. Virtual simulation analysis and verification of seed-filling mechanism for dipper hill-drop precision direct rice seeder. Int J Agric & Biol Eng, 2017; 10(6): 77–85.References
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[3] Peng S B, Yang J C. Current status of the research on high-yielding and high efficiency in resource use and improving grain quality in rice. Chinese Journal of Rice Science, 2003; 17(3): 275–280. (in Chinese)
[4] Rtnayake R M C, Balasoriya B M C P. Re-design, fabrication, and performance evaluation of manual conical drum seeder a case study. Applied Engineering in Agriculture, 2013; 29(2): 139–147.
[5] Yoshinaga S. Improved lodging resistance in rice (Oryza sativa L.) cultivated by submerged direct seeding using a newly developed hill seeder. Jarq-Japan Agricultural Research Quarterly, 2005; 39(3): 147–152.
[6] Maleki M R, Jafari Raufat J V, Mouazen A M, De Baerdemaeker J. Evaluation of seed distribution uniformity of a multi-flight as a grain drill metering device. Biosystems Engineering, 2006; 94(4): 535–543.
[7] Maleki M R, Mouazen A M, de Ketelaerer B, de Baerdemaeker J. A new index for seed distribution uniformity evaluation of grain drills. Biosystems Engineering, 2006; 94(3): 471–475.
[8] Kumar G V P, Srivastava B, Nagesh D S. Modeling and optimization of parameters of flow rate of paddy rice grains through the horizontal rotating cylindrical drum of drum seeder. Computers and Electronics in Agriculture, 2009; 65(1): 26–35.
[9] Yi S J, Liu Y F, Wang C, Tao G X, Liu H Y, Wang R H. Experimental study on the performance of bowl-tray rice precision seeder. Int J Agric & Biol Eng, 2014; 7(1): 17–24.
[10] Zhang G Z, Zang Y, Luo X W, Wang Z M, Zhang Q, Zhang S S. Design and indoor simulated experiment of pneumatic rice seeder. Int J Agric & Biol Eng, 2015; 8(4): 10–17.
[11] Zhai J B. Design and experiment of pneumatic precision hill-drop drilling seed metering device for rice budded seed. Wuhan: Huazhong Agricultural University, 2015. (in Chinese)
[12] Tian L Q, Wang J W, Tang H, Li S W, Zhou W Q, Shen H G. Design and performance experiment of helix grooved rice seeding device. Transactions of the CSAM, 2016; 47(5): 46–52. (in Chinese)
[13] Markauskas D, Kacianauskas R. Investigation of rice grain flow by multi-sphere particle model with rolling resistance. Granular Matter, 2011; 13(2): 143–148.
[14] Li J, Webb C, Pandiella S S, Campbell G M. Discrete particle motion on sieves-a numerical study using the EDEM simulation. Powder Technology, 2003; 133(1-3): 190–202.
[15] Fleissner F, Gaugele T, Eberhard P. Applications of the discrete element method in mechanical engineering. Multibody System Dynamics, 2007; 18(1): 81–94.
[16] Haiji Technology. Detailed explanation of EDEM software based on discrete element technology. CAD/CAM and Manufacturing Informatization, 2012; 5: 36–40. (in Chinese)
[17] Woo S M, Uyeh D D, Sagong M S, Ha Y S. Development of seeder for mixed planting of corn and soybeans. Int J Agric & Biol Eng, 2017; 10(3): 95–101.
[18] Van Liedekerke P, Tijskens E, Dintwa E, Rioual F, Vangeyte J, Ramon H. EDEM simulations of the particle flow on a centrifugal fertilizer spreader. Powder Technology, 2009; 190(3): 348–360.
[19] Zhou H B. Research and application on key technologies of precision seeder for tray nursing seedlings of rice. Changchun: Jilin University, 2009. (in Chinese)
[20] Wang J W, Tang H, Wang J F, Li X, Huang H N. Optimization design and experiment on ripple surface type pickup finger of precision maize seed metering device. Int J Agric & Biol Eng, 2017; 10(1): 61–71.
[21] Zhao Z, Wu Y F, Yin J J, Tang Z. Monitoring method of rice seeds mass in vibrating tray for vacuum-panel precision seeder. Computers and Electronics in Agriculture, 2015; 114: 25–31.
[22] Zeng X Y. The research in mechanization planting ways and seeding ratios at different early direct seeding rice. Nanchang: Jiangxi Agricultural University, 2013. (in Chinese)
[23] GB/T6973-2005. Test method of single grain planter, 2005. (in Chinese)
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Published
2017-11-30
How to Cite
Jinwu, W., Wenqi, Z., Liquan, T., Shuwei, L., & Zhao, Z. (2017). Virtual simulation analysis and verification of seed-filling mechanism for dipper hill-drop precision direct rice seeder. International Journal of Agricultural and Biological Engineering, 10(6), 77–85. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2981
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Power and Machinery Systems
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