Design of an Air Suction Wheel-Hole Single Seed Drill for a Wheat Plot Dibbler

Focusing on the problems of poor filling ability and stability mechanical wheat seeder complicated structure pneumatic seeder, a special air suction wheel-hole single seed drill for remote controlled self-propelled dibbler in plots was designed this paper. According to agronomic requirements precision seeding plots, wheel radius set at 180 mm 16 holes. Using discrete element simulation software EDEM analyze disturbance effect different parameter designs, thickness ring mm, height mouth 4.5 diameter cam 12 mm. Through hydrodynamic simulation, phase angle negative pressure chamber 280 degrees, positive 22 unpressurized interval zone 20 24.5 transition pipe 17.5 length 14.5 Based above design parameters, samples were then processed benchtop experiments carried out. The results showed that under best operating re-suction index 0.82%, leakage 6.67%, qualified 92.41%, which met requirements. This study could provide reference single-seed dibbling technology plots.