油茶栽植装置鸭嘴栽植器的优化与设计

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中图分类号：S223 文献标识码：A 文章编号：2095-2953（2025）07-0076-10

Optimization and Design of Duckbill Planter for Camellia Oleifera Planting Devices

LIU Jiu-qing， ZHOU Yan-peng， ZHU Bin-hai * （Collegeof MechanicalandElectrical Engineering，NortheastForestry University，Harbin Heilongjiang15O4O，China）

Abstract：In view of the problemsof low uprightness，large soil backflow，and severe soil adhesionon the planter during theoperation of current camellia oleifera transplanters，Focusingona duckbill planter for camellia oleifera suitable for complex hillyand mountainous environments，a duckbill planter with high planting uprightness，minimal soil backflow，andreduced soil adhesion was designed.Grounded in the agronomic requirements forcamellia oleifera seedling transplanting identified through field surveysand theoretical formulas，themaincomponentsof theduckbil planting device were modeled using SolidWorks 2O23，while soil modeling and simulation of theplanting process were conducted using EDEM 2O23.The results show that the planter significantly disturbed soil structure throughout theentire process of soil penetration，opening，and extraction，with the most intense soil flow occurring during the soil-breaking phase and when the duckbillopened.During the planter lifting phase，the amount of carried soil was significantlyreduced，effctivelyensuring the planting depth accuracyand uprightstabilityofcamelliaoleiferasedlings.Mechanical analysis quantified the interaction within the duckbill planter-seedling-soil system，revealing maximum pressure values of 26.90N and 26.93N on the left and right duckbills，respectively，indicating good mechanical symmetry.The simulationresultsshow that the planter experiences the least resistancewhen the duckbill shape is conical.Itcan provide theoretical basis for the research and developmentof precision transplanting equipment. Key words：planting device；EDEM，uprightness；pot-seedling transplanting

我国是油茶的主要产区，油茶种植面积持续扩大。（剩余11563字）