5299

4969

كارشناسي ارشد

مكانيك ماشين هاي كشاورزي

اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي

1388

چهارده،124ص.:مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

امين ا... معصومي

عباس همت

6/4/89

سيدجليل رضوي،منوچهر حيدري

مهندسي كشاورزي

ID4969

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

Design Fabrication and Evaluation of a Beans Pickup Device Naser Nankali n nankali@ag iut ac ir March 7 2010 Department of Agricultural Machinery Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiAbstractIn Iran due to growing habit of the edible bean plant and reducing harvest losses thesoybean beans are not harvested by a combine but a two stage harvesting method isused It was proposed that a four wheel alfalfa mower with front mounted cutter bar canbe modified to cut and windrow the semi runner bean plant To uplift the plant gentlyfrom the ground a series of sweep lifter heads were attached to the cutter bar of themower Each heads was designed such that its angle of approach was adjustable Thepreliminary tests on the modified mower using a test rig showed that the heads couldnot lift and direct the plants rearward properly during cutting due to chocking Then areal and a frame was designed and installed above the cutter bar and tested The framewas designed such that the distance between the frame and the heads was adjustable The hydraulic power system of the mower was modified such that the real was drivenby a hydraulic motor After completing the design process and the necessary changes the machine was finally evaluated in the field Treatments were plant cuttingwith without heads and with without reel Tests were performed under differentapproach angles of the heads The results showed that the best cutting condition wasobtained with 20 approach heads while the reel was installed above the cutter barKey words Edible bean bean harvesting reel cutter bar header

امين ا... معصومي

عباس همت

سيدجليل رضوي،منوچهر حيدري