Journal of Biosystems Engineering

Korean Society for Agricultural Machinery (한국농업기계학회)
권호 표지
DOI QR코드

DOI QR Code

Prototype Development of a Small Combine for Harvesting Miscellaneous Cereal Crops and its Basic Performance

  • Lee, Beom Seob (Ofe Co. Ltd.) ;
  • Yoo, Soonam (Department of Rural & Bio-systems Engineering, Chonnam National University) ;
  • Lee, Changhoon (Department of Rural & Bio-systems Engineering, Chonnam National University) ;
  • Yun, Young Tae (National Academy of Agricultural Science, Rural Development of Administration)
  • Received : 2018.10.10
  • Accepted : 2018.11.14
  • Published : 2018.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

Purpose: The aim of this study is to develop a small combine for harvesting miscellaneous cereal crops. Methods: A prototype small combine was designed and constructed. Its specifications and basic performance were investigated. Results: The prototype small combine for harvesting miscellaneous cereal crops was designed and constructed to reflect similar specifications as those of the conventional combine. The prototype small combine comprises a diesel engine with the rated power/speed of 22.0 kW/2,600 rpm, three-stage primary and two-stage speed range transmission shifts, and a double acting threshing part. The maximum travel speeds of the prototype combine are approximately 0.72 m/s, 2.50 m/s, 0.30 m/s at the low, high speed range shifts in the forward direction, and while traversing in the reverse direction, respectively. The minimum radius of turning was approximately 1.50 m. In a static lateral overturning test, the prototype combine overturned neither to the right nor to left on a $30^{\circ}$ slope. The results of an oilseed rape harvesting test included the maximum operating speed of 0.32 m/s, the grain loss ratio of approximately 9.0%, and the effective field capacity of approximately 10.3 a/h. Additionally, among the outputs in grain outlet, the whole grains, damage grains, and materials other than grain (MOG) ratios accounted for 97.4%, 0.0%, and 2.6%, respectively. Conclusions: The prototype small combine for harvesting miscellaneous cereal crops indicates good driving ability and stability. The results of the oilseed rape harvesting test reveal that the harvesting performance must be enhanced such that the separating and cleaning parts are more suitable for each type of crop, thus reducing grain loss and foreign substances among the outputs in grain outlet. An improved small prototype combine could be used effectively to mechanize the harvesting of miscellaneous cereal crops in small family farms or semi-mountainous areas.

Keywords

References

  1. Chung, S. O., K. S. Bae, K. Y. Chung, M. H. Nam and J. G. Park. 2011. Performance evaluation of a small grain cereal crop thresher prototype. In: Proceedings of the KSAM 2011 Winter Conference, pp. 52-55, Seoul, Korea: February 2011 (In Korean).
  2. FACT. 2014. Testing standards for agricultural machinery - conventional full-feeding combine: 2-4. Suwon, Korea: The Foundation of Agriculture Techniques Commercialization and Transfer (In Korean).
  3. FACT. 2016. Agricultural machinery testing methods - grain combine: 58-74. Suwon Korea: The Foundation of Agriculture Techniques Commercialization and Transfer (In Korean).
  4. FACT. 2018. Testing results for grain combines. Iksan, Jeonbuk, Korea: The Foundation of Agriculture Techniques Commercialization and Transfer. (In Korean).
  5. Jun, H. J., I. S. Choi, T. G. Kang, Y. Choi, D. K. Choi and C. K. Lee. 2015. Study on performance improvement of a head-feeding rice combine for foxtail millet harvesting. Journal of Biosystems Engineering 40(1): 10-18. https://doi.org/10.5307/JBE.2015.40.1.010
  6. Lee, C. K., Y. Choi, H. J. Jun, S. K. Lee, C. S. Ryu and D. M. Kim. 2008b. Development of a rapeseed reaping equipment attachable to a conventional combine (I) - Design and construction of a prototype. Journal of Biosystems Engineering 33(6): 371-378 (In Korean, with English abstract). https://doi.org/10.5307/JBE.2008.33.6.371
  7. Lee, C. K., Y. Choi, H. J. Jun, S. K. Lee, S. D. Moon and S. S. Kim. 2009b. Development of a rapeseed reaping equipment attachable to a conventional combine (III) - Analysis of principal factor for loss reduction of rapeseed mechanical harvesting. Journal of Biosystems Engineering 34(2): 114-119 (In Korean, with English abstract). https://doi.org/10.5307/JBE.2009.34.2.114
  8. Lee, C. K., Y. Choi, H. J. Jun, S. K. Lee, Y. S. Jung and W. D. Lee. 2008a. Evaluation of working performance in rapeseed harvesting using a conventional combine attached a rapeseed reaping equipment. In Proceedings of the KSAM 2008 Winter Conference, pp. 5-8, Seoul, Korea: February 2008 (In Korean).
  9. Lee, C. K., Y. Choi, Y. S. Jang, Y. S. Jung, S. K. Lee and W. D. Lee. 2009a. Development of a rapeseed reaping equipment attachable to a conventional (II) - Evaluation of feasibility in rapeseed harvesting. Journal of Biosystems Engineering 34(1): 21-29 (In Korean, with English abstract). https://doi.org/10.5307/JBE.2009.34.1.021
  10. Lee, K. Y., S. Yoo, B. H. Han, Y. Choi and I. S. Choi. 2017. Design and construction of a pick-up type pulse crop harvester. Journal of Biosystems Engineering 42(1): 12-22. https://doi.org/10.5307/JBE.2017.42.1.012
  11. Lee, S. K. and H. K. Noh. 2015. Development of threshing machine for shatter-resistant sesame. Journal of Biosystems Engineering 40(2): 110-114. https://doi.org/10.5307/JBE.2015.40.2.110
  12. MacLeod, J. 1981. Oilseed rape book - A manual for growers, farmers and advisors. 1st ed. London, United Kingdom: Cambridge Agricultural Publishing, pp. 107-119.
  13. Price, J. S., R. N. Hobson, M. A. Neale and D. M. Bruce. 1996. Seed losses in commercial harvesting of oilseed rape. Journal of Agriculture Engineering Research 65: 183-191. https://doi.org/10.1006/jaer.1996.0091
  14. Shibuya, Y. 2006. Systemization of mechanization production technology of rapeseed for agricultural energy use (I). In: The Proceeding of the Japanese Society of Agricultural Mechanization .pp. 76, Sapporo, Japan: September 2006 (In Japanese).
  15. Yoo, S. N., B. H. Han and I. S. Choi. 2016. Development of a pick-up type self-propelled combine harvester for pulse crop. Research report for Cooperative Research Program for Agricultural Science & Technology Development: Project No.: PJ009981. Jeonbuk, Korea: The Rural Development Administration (In Korean).