Paddy direct-seeding is the simple crop mode among paddy light planting techniques which leave out rearing fry, pulling out fry, transplanting numerous trivial taches, owing low labor intension, few consuming substance, high benefit and convenient operation virtues. It has a wide progress foreground.This text introduce dynamics emulational software ADAMS and finity buck analyse software ANSYS and optimize technique, aim at boat bilge barge up against resistance when it treads and wheels, studying boat motherboard's front across baffle's angle, the section shape of motherboard and the depth of section impacted the soil and stepped resistance, designing a new boat bilge which can reduce soil and minish stepped resistance. Simultaneously founding the mechanical modelof the seeder and analyse engine's libration when it was running at 50r/s,42r/s,38r/s,25r/s,7r/s influence on arranging seeds and use damping spring and latex to reduce libration about this part. Analysed the treading and swerving capability of the Paddy direct-seeding machine.Research results indicate: only boat motherboard's front across baffle's angle is 30 degree, the section shape of motherboard is undee, depth of section is 30mm, direct seeding engine stepped resistance and soil is least, turning...
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