Design and Experiment of Double-Nest Eye-Type Hole-Wheel Dense-Planting Wheat Dibbler

Xuanhe Fu, Limin Yan (), Long Wang, Deli Jiang, Xinliang Tian, Tao Wu and Jinhao Zhang
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Xuanhe Fu: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Limin Yan: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Long Wang: College of Mechanical and Electrical Engineering, Tarim University, Aral 843300, China
Deli Jiang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Xinliang Tian: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Tao Wu: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Jinhao Zhang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China

Agriculture, 2024, vol. 14, issue 9, 1-25

Abstract: To address the problems of the inaccurate seeding rate and uneven seeding in the process of dense planting of winter wheat in Xinjiang, according to the physical characteristics of the wheat seeds and the agronomic requirements of the high-yield cultivation techniques for the winter wheat “well” type, a double-hole wheel-type densely planted wheat hole sower was designed and produced. Through theoretical design and research, the structural design of the overall hole seeder and its key components was completed. The findings indicated that 5–7 wheat seeds could be planted in each hole at a 9.2 mm nest depth and 610 mm 3 nest volume, which was consistent with the “well”-type high-yield dense-planting cultivation technology’s need for 400,000–500,000 basic seedlings per mu. The rotation speed and the quantity of the wave guide teeth were used as test factors and the qualifying index, replay index, and missed sowing index were used as test indicators to create the two-factor, three-level central composite design center combination test. It was possible to derive the mathematical model connecting the test factors and test indexes. The regression model underwent multi-objective optimization using the Design-Expert 13 program to determine the optimal parameters: the qualifying index was 91.24%, the replay index was 6.14%, and the missed seeding index was 2.62% when the wave guide rail had four teeth and the seed drill rotated at a speed of 40 revolutions per minute. The best parameter combinations were used for a bench verification test, and the test indicated that the qualified index was 90.25%, the replay index was 4.59%, and the missed broadcast index was 5.16%. The results demonstrated that the densely planted wheat hole seeder performs well, satisfies the requirements for winter wheat dense-planting and sowing operations, and serves as a model for the densely planted wheat hole seeders that will be optimized in the future.

Keywords: wheat; dense-planting sowing; shaped hole wheel; dibbler (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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