分体式免耕播种机破茬装置设计与试验

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Abstract： Aiming atthe problems ofthe existing stubble breaking mechanisms in no-tillseeders，suchas impropersoil-entry angles，limitedajustmentofsoilentryepthandusatisfactoryoilbeakingefects，nindependentstbblebreaingdisc mechanism forsplit-type no-tilleeder was designed.This mechanism canbeseparated fromtherear-mounted seederthrougha verticalingeshaftThesoilentrydepthisadjustedbythedriveroperatingtheadjustingcylinderinthecab.Itsolvesthestructual andadjustmentlimitationsofraditionalstubblebreaking mechanisms，achievingthegoalsofonvenientlyandquicklyadjusting thesoil-entrydepthandimprovingthesoilbreakingeffectFieldperformance tstssowthattheaveragestrawcutingrateofthe split-type no-till seeder after the operation is 95.25% ，that the trafficability of the machine set is good， that meeting the operation requirements，andthatprovidingatheoreticalreferenceforthedevelopmentofstubblebeaking mechanismsinno-tillseders. Key words： No-till seeder; Split-type; Stubble breaking mechanism; Test

doi：10.13620/j.cnki.issn1007-7782.2025.02.001

中图分类号：S223.2 文献标识码：A

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保护性耕作技术起源于美国。（剩余3846字）