Year-end Sale % OFF 
Abstract
The cell wheel seed metering device was improved and a stirring seed-filling device was added to improve the seed-filling performance of cell wheel pseudo-ginseng precision seed metering devices. Using pseudo-ginseng seeds in Wenshan Prefecture, Yunnan Province as the objects for seed metering, the software application EDEM was adopted based on the discrete element method for the simulation calculation and analysis of the seed-filling performance of the seed metering device under 4 rotational speeds of the cell wheel and 6 rotational speeds of the stir wheel. The simulation results indicate that the filling ratio increases as the rotational speed of the stir wheel increases under a constant rotational speed of the cell wheel. Test verification of the simulation analysis results was conducted on the test bed of the seed metering device. The results indicate that increasing the rotational speed of the stir wheel can obtain a filling ratio of over 90%. The test results display a similar variation trend to that of the simulation analysis with an error of average filling ratio less than 5%. Therefore, it is feasible to analyze the seed-filling performance of the stirring and seed-filling device of the seed metering device with the discrete element method.
Highlights
The seed group in the seed case moves with the stir wheel, and the seeds rotate with the cell wheel when they fall into the holes of the cell wheel in the seed-filling area
It can be seen from the figure that the filling ratio under each rotational speed of the cell wheel is on the rise as the rotational speed of the stir wheel increases
The filling ratio decreases as the rotational speed of the cell wheel increases when the rotational speed of the stir wheel is constant
Summary
L. Tao et al.[13] studied the influence of 3 types of hole structures on the seed group disturbance and seed metering performance of the cell wheel rape seed metering device. The influence of the rotational speed of the stir wheel and that of the cell wheel on the filling ratio was investigated with the discrete element numerical simulation software application EDEM to analyze the fluctuation of the average normal force and the average speed of the seed group with time, as well as the variation trend of the filling area with the rotational speed of the stir wheel. The simulation analysis on the seed-filling performance of the cell wheel seed metering device by discrete element numerical simulation can save test costs, reduce the test cycle and provide references for the improvement of pseudo-ginseng precision planters
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
