Design and experiment of anti-vibrating and anti-wrapping rotary components for subsoiler cum rotary tiller
Keywords:
subsoiling, rotary tiller, anti-vibration, anti-wrapping, backfill, tillageAbstract
The commonly used subsoiling cum rotary tiller machine (SRT) in Northern China is a combination of subsoiler and horizontal rotary tiller, however backfilling of the subsoiling slot, excessive vibration and plant residue wrapping on rotary components has been rarely considered. Therefore, the rotary components and assembly were redesigned to address these issues and to an SRT fitted with IT225 short curve rotary blades behind the V-shape subsoiling slots and IIT245 long curve rotary blades between the tines. Long and short blades were fitted on a rotor in a double helix, with optimal spiral angles of 65º and 90º, and phase angle of 147º and 180º, respectively. Compared with the commonly used SRT (CSRT), the additional anti-wrapping cutting blades in the circumferential and axial direction of ASRT could remove hanging residue on the blade holders, wrapping on the rotor and formation of an isolation layer. Moreover, the cutting edge curve of anti-wrapping cutting blades was an exponential curve. Field tests demonstrated that the redesigned SRT with anti-vibrating and anti-wrapping rotary components (ASRT) had was a significant advancement over the CSRT. Moreover, the working depth of rotary tillage was more stable, while other observations confirmed that backfilling of the subsoiling slot was also improved. Keywords: subsoiling, rotary tiller, anti-vibration, anti-wrapping, backfill, tillage DOI: 10.25165/j.ijabe.20191204.4369 Citation: Zheng K, McHugh A D, Li H W, Wang Q J, Lu C Y, Hu H N, et al. Design and experiment of anti-vibrating and anti-wrapping rotary components for subsoiler cum rotary tiller. Int J Agric & Biol Eng, 2019; 12(4): 47–55.References
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[2] Zhao W, Zhang W C, Zhou Z L, Niu Y, Zhao D Z. Development and experimental research of combined subsoiling and rotary tilling set. Transactions of the CSAE, 2007; 23(1): 125–128. (in Chinese)
[3] Sun D X, Zhang A M, Gong J X. Design and experiment on 1SZL-250A type subsoiling rotary tillage fertilizer combined soil working machine. Journal of Chinese Agricultural Mechanization, 2016; 37(4): 1–6. (in Chinese)
[4] Zhang R F, Yang H S, Gao J L, Zhang Y Q, Wang Z G, Fan X Y, et al. Effect of subsoiling on root morphological and physiological characteristics of spring maize. Transactions of the CSAE, 2015; 31(5): 78–84. (in Chinese)
[5] Zheng C Y, Yu Z W, Shi Y, Cui S M, Wang D, Zhang Y L, et al. Effect of tillage practices on water consumption, water use efficiency and grain yield in wheat field. Journal of Integrative Agriculture, 2014; 13(11): 2378–2388.
[6] Ma S Y, Yu Z W, Shi Y, Gao Z Q, Luo L P, Chu P F, et al. Soil water use, grain yield and water use efficiency of winter wheat in a long-term study of tillage practices and supplemental irrigation on the north china plain. Agricultural Water Management, 2015; 150: 9–17.
[7] Sojka R E, Horne D J, Ross C W, Baker C J. Subsoiling and surface tillage effects on soil physical properties and forage oat stand and yield. Soil and Tillage Research, 1997; 40(3-4): 125–144.
[8] Zheng K, He J, Wang Q J, Li W Y, Zhang Z Q. The current research status of combined tillage machine. Journal of Agricultural Mechanization Research, 2016; 38(1): 257–263. (in Chinese)
[9] Zhao W, Zhou Z L, Niu Y, Ma Y, Zhao D Z. Development of subsoiling and rotary tilling unit. Transaction of the CSAM, 2007; 38(2): 79–82. (in Chinese)
[10] Hu H N, Lu C Y, Wang Q J, Li H W, He J, Xu D J, et al. Influences of wide-narrow seeding on soil properties and winter wheat yields under conservation tillage in north china plain. Int J Agric & Biol Eng, 2018; 11(4): 74–80.
[11] Zhang Z J, Jia H L, Sun J Y. Review of application of biomimetics for designing soil-engaging tillage implements in northeast China. Int J Agric & Biol Eng, 2016; 9(4): 12–21.
[12] He J, Li H W, Wang Y K, Zhang Z Q, Wang Q J. Thoughts on developing small/medium size no-till equipment for conservation agriculture in Asia: Summary of post-publication peer review comments. Int J Agric & Biol Eng, 2014; 7(5): 139–146.
[13] Li S T, Chen X B, Chen W, Zhu S P, Li Y W, Yang L, et al. Soil-cutting simulation and parameter optimization of handheld tiller's rotary blade by Smoothed Particle Hydrodynamics modeling and Taguchi method. Journal of Cleaner Production, 2018; 179: 55–62.
[14] Matin M A, Desbiolles J M A, Fielke J M. Strip-tillage using rotating straight blades: effect of cutting edge geometry on furrow parameters. Soil and Tillage Research, 2016; 155: 271–279.
[15] Matin M A, Fielke J M, Desbiolles J M A. Furrow parameters in rotary strip-tillage: effect of blade geometry and rotary speed. Biosystems Engineering, 2014; 118: 7–15.
[16] Matin M A, Fielke J M, Desbiolles J M A. Torque and energy characteristics for strip-tillage cultivation when cutting furrows using three designs of rotary blade. Biosystems Engineering, 2015; 129: 329–340.
[17] Saimbhi V S, Wadhwa D S, Grewal P S. Development of a rotary tiller blade using three-dimensional computer graphics. Biosystems
Engineering, 2004; 89(1): 47–58.
[18] Yang Y S, Fielke J, Ding Q S, He R Y. Field experimental study on optimal design of the rotary strip-till tools applied in rice-wheat rotation cropping system. Int J Agric & Biol Eng, 2018; 11(2): 88–94.
[19] Lee K S, Park S H, Park W Y, Lee C S. Strip tillage characteristics of rotary tiller blades for use in a dryland direct rice seeder. Soil & Tillage Research, 2003; 71(1): 25–32.
[20] Chaturvedi V, Kumar A, Singh J K. Strip tillage characteristics of rotary tiller blades for use in a dryland direct rice seeder. Applied Ergonomics, 2012; 43: 891–901.
[21] Xu L, Xiao H R. Analysis of the winding grass mechanism for tea cultivation machinery. Journal of Chinese Agricultural Mechanization, 2015; 36(2): 25–28. (in Chinese)
[22] Zheng K, He J, Li H W, et al. Research on polyline soil breaking blade subsoiler based on subsoiling soil model using discrete element method. Transaction of the CSAM, 2016; 47(9): 62–72. (in Chinese)
[23] Zheng H G, Zhang Z Q, Xu W B, Wei Y, Guan Y Z, Xu K Y. Based on soil compression and failure theory of digging shovel design and analysis. Journal of Agricultural Mechanization Research, 2011; 33(11): 122–126. (in Chinese)
[24] Chinese Standard Committee. Subsoiler and share shaft, JB/T 9788-1999. Chinese Standard Press, China, 1999. (in Chinese)
[25] Wang X Z, Gao P Y, Yue B, et al. Optimisation of installation parameters of subsoiler’ wing using the discrete element method. Computers and Electronics in Agriculture, 2019; 162: 523–530.
[26] Chinese Standard Committee. Rotary tiller - rotary blades and blade holders, GB/T 5669-2008. Chinese Standard Press, China, 2008. (in Chinese)
[27] Fang H M, Zhang Q Y, Chandio F A, Guo J, Sattar A, Arslan C, et al. Effect of straw length and rotavator kinematic parameter on soil and straw movement by a rotary blade. Engineering in Agriculture, Environment and Food, 2016; 9(3): 235–241.
[28] Chinese Academy of Agricultural Mechanization Sciences. Agricultural machinery design manual. Beijing: China's Agricultural Science and Technology Press, 2007. (in Chinese)
[29] Zhang Q, Liang L S. Agricultural machines. Beijing: Chemical Industry Press, 2016. (in Chinese)
[30] Ding Q S, Ge S Y, Ren J, Li Y. Characteristics of subsoiler traction and soil disturbance in paddy soil. Transaction of the CSAM, 2017; 48(7): 47–56. (in Chinese)
[31] Lin J, Wang L, Li B F, Tian Y, Bo H M, Ma T. Design and test of 2ZZ-3 type deep scarification-terrace ridge-fertilization combine intertill machine. Transactions of the CSAE, 2016; 32(24): 9–17. (in Chinese)
[32] Jia H L, Huang D Y, Liu X L, Wang Z H, Liu Z C, Ma C L. Symmetrical multi-spiral arrangement of tillage blades on rotor. Transactions of the CSAE, 2011; 27(4): 111–116. (in Chinese)
[33] Feng P Z. Optimum number sequence arrangement of rotary tiller blades. Journal of Jiangsu Institute of Technology, 1985; 6(4): 40–49. (in Chinese)
[34] Wang J W, Wang Q, Tang H, Zhou W Q, Duo T Y, Zhao Y. Design and experiment of rice straw deep buried and whole straw returning device. Transactions of the CSAM, 2015; 46(9): 112–117. (in Chinese)
[35] Kang J M, Li S J, Yang X J, Liu L J. Structure parameters optimization of sine exponential curve type ditching blade. Transactions of the CSAM, 2016; 47(11): 91–99. (in Chinese)
[36] Chinese Standard Committee. Combined implement for subsoiler and cultivating, JB/T10295-2014. Chinese Standard Press, China, 2014. (in Chinese)
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2019-08-01
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Zheng, K., McHugh, A. D., Li, H., Wang, Q., Lu, C., Hu, H., … He, J. (2019). Design and experiment of anti-vibrating and anti-wrapping rotary components for subsoiler cum rotary tiller. International Journal of Agricultural and Biological Engineering, 12(4), 47–55. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/4369
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Power and Machinery Systems
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