Design, fabrication and evaluation of a short-legged chickpea harvest machine

Document Type : Research Paper


1 Mechanics of Biosystems Engineering, Faculty of Agriculture, Urmia University, Urmia,Iran

2 Mechanics of Biosystems Engineering, Faculty of Agriculture, Urmia University,Urmia,Iran

3 Mechanics of Biosystems Engineering, Faculty of Agriculture, Urmia University, Urmia.Iran


Currently, chickpea harvest is carried out manually. Therefore, in this study a chickpea harvest machine was designed, fabricated and evaluated. The header of this machine has bush stripping fingers and pods separate from the bushes by standing in between the fingers. Fingers’ angle, Fingers’ length, distance of the fingers from each other, forces applied to the fingers, cleaning cogs and the suction system were from the most important design parameters. Farm evaluations were carried out in four different speeds: 2.5, 3.5, 4.5, 5.5 Km/hr and the amount of loss related to remained pods on the bushes (Pd) and losses related to spilled pods on the ground (Pr) were measured. Results showed that, with increasing forward speed, the amount of both types of losses, at first decreased and then increased. The minimum amount of Pd losses and Pr losses were 1.58% and 2.71% respectively which were obtained in the forward speed of 4.5 km/hr. Also, field evaluations have proven that this machine can perform harvest operations with a minimum forward speed of 1.5 times and a maximum of 2.04 times compared to previous gleaning mechanisms and with a permissible loss of less than 5%.


Main Subjects

Abbasi, M. Masomi, A. & Sadegi, M. (2007). Cyclone design with the aim of collect the remains of mechanical harvesting of dry beans. The third Student Conference on Agricultural Machinery Engineering, 18-19 April., Shiraz, Shiraz University. (In Farsi)
Abdollahpour, S., & Gharakhani, H. (2009). A New Concept in Iranian Lentil Harvesting. Journal of Agricultural Science and Sustainable Production, 19(2), 1-12.
Chakraverty, A. Mujumdar, A.S. Raghavan, G.S.V. Ramaswamy, H.S. (2003) Handbook of postharvest technology cereals, fruits, vegetables, tea, and spices. New York: Marcel Dekker Press
Frank, P & Bleier, P.E. (1998). Fan Handbook, Mc Graw-Hill.
Glancey, J . L. (1997). Analysis of Header Loss from Pod Stripper Combines in Green Peas. Journal of Agricultural Engineering Research, 68, 1-10.
Golpira, H. Tavakoli, T. Khoshtagaza, M.H. & Minaei, S. (2009). Determining some mechanical properties of chickpea to use in the design of its harvesting machines. Agricultur Science, 19, 24-33. (In Farsi)
Golpira, H. (2013). Conceptual design of a chickpea harvesting header. Spanish Journal of Agricultural Research, 11(3),635-641.
Golpira, H. Tavakoli, T. & Baerdamaeker, J. D. (2013). The design and development of a chickpea harvester. Spanish Journal of Agricultural Research, 11(4), 929-934.
Gürsoy, S & Güzel, E. (2010). Determination of physical properties of some agricultural grains. Research Journal Applied Sciences Engineering Technology, 2(5), 492-498.
Hanna, H.M. & Quick, G.R. (2007). Grain harvesting machinery design. In, Handbook of farm, dairy and food machinery (Kutz M, ed). Imprint: William Andrew
Kepner, R.A. Bainer, R. Barger, E.L. Translated by Shafii. S.A, (2011). Principles of Farm Machinery. University of Tehran Press 2135. 4th Edition.
Kilikan, A. & G-ner, A. (2010). The determination of pneumatic conveying characteristics of chickpea. Turkish Journal of Agriculture, 34, 265-274.
Klinner, W.E. Neale, M.A. Arnold, R.E. Geikie, A.A & Hobson, R.N. (1987). A new concept in combine harvester headers. Journal Agriculture Engineering Research, 38, 37-45.
Konak, M. Carman, K. & Aydin, C. (2002). Physical properties of chickpea seeds. Biosystem Engineering, 82( I), 73-78.
Matin, A. H. (1991). Industrial Ventilation: A guide to design and calculation for industrial hygienists. University of Tehran Press 34805.
Mostafavand, H. Kamgar, S. (2013). Comparison between feeder and cutter mechanism, conventionally combine and hand pulling methodon chickpea harvest at different grain moisture contents. International Journal of Agronomy and Plant Production, 4 (9), 2174 – 2178.
Razavi, S. M. A. Zaerzadeh, E. Khafaji, N & Pahlevani, M. (2010). Some physical properties of seeds and splits of Desi chickpea (Kaka var.) Iran Journal Pulses Research, 1(1), 77-83.
Riethmuller, G. (1998). Successful lentil harvesting. Agriculture Western in Australia, Dryland Research Institute, Merredin.
Sid ahmedi, M.M & Jaber,  N.S. (2004). The design and testing of a cutter and feeder mechanism for the mechanical harvesting of  lentils. Biosystems Engineering, 88, 295-304.
Siemens, M.C. (2006). Effect of guard spacing, guard attach­ments and reel type on chickpea harvesting losses. Applied Engineering In Agriculture, 22(5), 651-657.
Tabatabaeefar, A. Aghagoolzadeh, H & Mobli, H. (2003). Design and development of an auxiliary chickpea second sieving and grading machine. Agricultural Engineering International: The CIGR Journal of Scientific Research and Development, (Vol. V). (FP 03 005).
Tado, C.J.M. Wacker, P. Kutzbatch, H.D. & Suministrado, D.C. (1998). Development of stripper harvesters. Journal of Agricultural Engineering Research, 71, 103-112.
Terence, M. & Lawrence, F. (1991). Pea head harvester. Patent U.S. 5056303.
Yavari, E. mahmodi, K & jahangiri, A (2005). Mechanization of production management Chickpea. Institute of Plant Sciences, Ferdowsi University of Mashhad. (In Farsi).