农机化研究
農機化研究
농궤화연구
JOURNAL OF AGRICULTURAL MECHANIZATION RESEARCH
2014年
5期
124-127,131
,共5页
胡忠强%魏宏安%史明明%刘星%胡小芬%王昕
鬍忠彊%魏宏安%史明明%劉星%鬍小芬%王昕
호충강%위굉안%사명명%류성%호소분%왕흔
机架%虚拟设计%有限元分析%马铃薯%联合收割机
機架%虛擬設計%有限元分析%馬鈴藷%聯閤收割機
궤가%허의설계%유한원분석%마령서%연합수할궤
frame%virtual design%FEA%potato%combine harvester
机架是4U-1200马铃薯联合收获机的关键部件,其设计关系到机具的整体机构布置和各个部件的安装以及作业的稳定性。为此,根据该机作业幅宽和系列马铃薯联合收获机模块化设计的原理,对4 U-1200马铃薯联合收获机机架采用Solidworks 焊接工具虚拟设计,并在收获机以3~4.83 km/h 速度作业时应用 Simulation 对设计的模型进行有限元分析,确定力学特性,对薄弱环节进行改进,为物理样机的试制提供理论依据。结果表明:机架设计合理,机架上应力、应变和位移变化合理,分布均匀,满足强度和刚度要求。
機架是4U-1200馬鈴藷聯閤收穫機的關鍵部件,其設計關繫到機具的整體機構佈置和各箇部件的安裝以及作業的穩定性。為此,根據該機作業幅寬和繫列馬鈴藷聯閤收穫機模塊化設計的原理,對4 U-1200馬鈴藷聯閤收穫機機架採用Solidworks 銲接工具虛擬設計,併在收穫機以3~4.83 km/h 速度作業時應用 Simulation 對設計的模型進行有限元分析,確定力學特性,對薄弱環節進行改進,為物理樣機的試製提供理論依據。結果錶明:機架設計閤理,機架上應力、應變和位移變化閤理,分佈均勻,滿足彊度和剛度要求。
궤가시4U-1200마령서연합수획궤적관건부건,기설계관계도궤구적정체궤구포치화각개부건적안장이급작업적은정성。위차,근거해궤작업폭관화계렬마령서연합수획궤모괴화설계적원리,대4 U-1200마령서연합수획궤궤가채용Solidworks 한접공구허의설계,병재수획궤이3~4.83 km/h 속도작업시응용 Simulation 대설계적모형진행유한원분석,학정역학특성,대박약배절진행개진,위물리양궤적시제제공이론의거。결과표명:궤가설계합리,궤가상응력、응변화위이변화합리,분포균균,만족강도화강도요구。
The frame was a key component of 4U-1200 potato combine harvester ,which was Related to the arrangement of overall Structure ,the installation of each part and the stability of the job .In the light of operating width and principle of Modular design of series potato combine harvester , the frame was virtually designed by welding tools .Then the model was analyzed by FEA in the condition of 3 km/h~4 .83 km/h walking harvester to determine the mechanical properties and improve the weak links ,which provided a theoretical basis of physical prototypes and trial .The results showed that the design of frame as well as stress、strain and displacement of that was reasonable to meet the strength and stiffness re-quirements .