Simulation analysis and test of piercing fertilization monomer
In order to improve the problem of low fertilizer utilization rate of traditional sowing and strip sowing fertilization methods of tall crops,a high-tech cavity fertilization operation vehicle was designed,and probe sensors were installed on both sides of the hole fertilization monomer of the operation vehicle,which could carry out accurate hole fertilization according to the position of crop plants.Based on RecurDyn-EDEM and EDEM-ANSYS,the multi-body dynamics-discrete element,discrete element-finite element simulation analysis of the pit fertilization mechanism was carried out,and the pit fertilization test was carried out,which clarified the movement mechanism of the pit fertilization monomer and the soil hole formation,and quantified the functional relationship between the amount of fertilizer application and the opening of the manure discharger,and the total deformation of the duckbill was 0.005 mm,and the maximum equivalent stress was 4.142 2 MPa,which was much smaller than the yield strength of structural steel,and the duckbill would not undergo stress deformation.The practicability of the fertilizer monomer was further determined,and the functional relationship between the amount of fertilizer applied and the opening of the fertilizer drainer was corrected,the opening of the manure discharge wheel could be adjusted for different crops for precise fertilization.
万方数据
维普
