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免耕深施肥机设计I东北农业大学学士学位论文学号：A07120616免耕深施肥机设计学生姓名：刘也指导教师：杨悦乾所在院系：工程学院所学专业：农业机械化及其自动化研究方向：免耕深施肥机东北农业大学中国·哈尔滨2016年5月免耕深施肥机设计II摘要免耕深施肥机采用的是“动力圆盘断草、与动力圆盘贴合的夹持式开沟器同位分层施肥”在已覆有秸杆的地中能一次性完成行方向秸杆切断、同位分层施肥和中后镇压等多项作业的保护性耕作机具。本文设计了一种新型免耕深施肥机，采用无动力双圆盘式开沟器，机具结构简单，使用方便，具有碎土作用强，不缠草以及具有施肥深度精度高，施肥均匀，一次作业能完成6行施肥，利于种子的生长，满足在免耕深施肥后，对农田行向杂草予于锄除。首先，我们完成了对免耕深施肥机进行整机设计，确定其性能要求和主要性能参数；其次，我们对深耕施肥机中主要零部件开沟器、肥箱、排肥器以及覆土镇压装置进行了设计；最后对轴进行了设计及校核。关键词：保护性耕作机具；开沟器；免耕深施肥机abstractIIIDeeptillagefertilizingmachinedesignABSTRACTThewheatexemptsplowstheseedertouseis“thepowerdiscbreaksthegrassandwithpowerdiscfittingclamptypefurrowopenerisotopiclaminationapplyingfertilizer”afterduplicatehadinthestrawplacecandisposableformalinethedirectionstrawcut-off,isotopiclaminationsowingseedsandthesuppressionandsoonmanyworkprotectiontillageimplements.Thispaperdesignsanewtypeofno-tilldeepmachineryUSESunpowereddoubledisctypeopener,themachinestructureissimple,easytouse,hasbrokensoileffectisstrong,notwindinggrassandhasahighprecisionfertilizationdepth,fertilizingevenly,anassignmenttocompletesixlinesfertilization,conducivetothegrowthoftheseed,meetafterdeepno-tillfertilizing,onlinetoweedtohoe.Firstly,wecompletedthedeeptillagefertilizingmachinemachinedesign,performancerequirementsanddetermineitsmainperformanceparameters;Secondly,weareindeepFertilisermaincomponentsopener,fertilizertank,fertilizerapparatusandrepressiveapparatuscasinghasbeendesigned;Finally,weconductedashaftdesignandverification.Keywords:Protectiontillagemachine;Furrowopener;No-tillfertilizingmachine目录IV目录摘要.........................................................................................................................................IAbstract....................................................................................................................................III1引言.....................................................................................................................................-1-1.1研究的目的及意义..................................................................................................-1-1.2国内外研究现状.....................................................................................................-1-1.3本装置的研究内容及技术路线.............................................................................-2-2免耕深施肥机的整机设计................................................................................................-2-2.1免耕深施肥机的性能要求.....................................................................................-2-2.2免耕深施肥机的整机结构设计.............................................................................-3-2.3机具主要性能参数确定及计算.............................................................................-3-2.3.1作业过程中施肥机功率消耗计算..............................................................-3-2.3.2拖拉机液压提升能力计算..........................................................................-5-2.3.3机组操向稳定性计算..................................................................................-7-2.3.4坡道极限倾翻角计算..................................................................................-7-2.4本章小结.................................................................................................................-8-3主要部件的设计................................................................................................................-8-3.1深施肥开沟器的设计.............................................................................................-8-3.1.1开沟器的分类..............................................................................................-8-3.1.2开沟器的性能要求....................................................................................-11-3.1.3开沟器的结构设计....................................................................................-11-3.2肥箱的设计...........................................................................................................-12-3.2.1肥箱体积的确定........................................................................................-12-3.2.2施肥量的计算............................................................................................-12-3.3排肥器的选取.......................................................................................................-13-3.4覆土装置和镇压轮的设计...................................................................................-15-3.4.1覆土器的技术要求....................................................................................-15-3.4.2覆土器的类型............................................................................................-15-3.4.3覆土器的设计............................................................................................-15-3.5镇压轮的选择.......................................................................................................-15-3.6施肥部分的传动设计...........................................................................................-15-3.6.1传动方式的选择........................................................................................-15-3.6.2链传动比..........................................................................................