2.1 Structure of the Seeding EquipmentThe complete structure of a seeding machine is illustrated in Fig. 1, from which it can be seen that the machine consists mainly of frame, seeding assembly, fertilizing assembly and spraying assembly. As the core part of the entire machine, the seeding assembly is primarily comprised of fan, seed box, air suction drum, seed cleaning needle, unloading seed slice, seed guide tube and air blowing tube.