机械管理开发
機械管理開髮
궤계관리개발
MECHANICAL MANAGEMENT AND DEVELOPMENT
2014年
5期
3-6,48
,共5页
工作装置%刚柔耦合%挖掘工况%ADAMS
工作裝置%剛柔耦閤%挖掘工況%ADAMS
공작장치%강유우합%알굴공황%ADAMS
work device%rigid-flexible%digging working conditions%ADAMS
针对国内某款大型正铲液压挖掘机工作装置的结构强度问题，运用CAD/CAE刚柔耦合建模技术，并结合了UG、Hyperworks、ADAMS等多款软件，建立了挖掘机工作装置的动力学模型。根据挖掘机实际实况定义了工作装置的作业动作，并结合了EDEM实际挖掘负载与斗杆最大挖掘力普查的最危险工况，进行了液压工作装置的挖掘动态仿真。验证EDEM实际工况与普查的最危险工况下，工作装置结构的合理与可靠性，测出了工作装置的应力集中点，工作装置最危险的静态位置与各交接节点的受力，为工作装置的尺寸优化与拓扑优化奠定了基础。
針對國內某款大型正鏟液壓挖掘機工作裝置的結構彊度問題，運用CAD/CAE剛柔耦閤建模技術，併結閤瞭UG、Hyperworks、ADAMS等多款軟件，建立瞭挖掘機工作裝置的動力學模型。根據挖掘機實際實況定義瞭工作裝置的作業動作，併結閤瞭EDEM實際挖掘負載與鬥桿最大挖掘力普查的最危險工況，進行瞭液壓工作裝置的挖掘動態倣真。驗證EDEM實際工況與普查的最危險工況下，工作裝置結構的閤理與可靠性，測齣瞭工作裝置的應力集中點，工作裝置最危險的靜態位置與各交接節點的受力，為工作裝置的呎吋優化與拓撲優化奠定瞭基礎。
침대국내모관대형정산액압알굴궤공작장치적결구강도문제，운용CAD/CAE강유우합건모기술，병결합료UG、Hyperworks、ADAMS등다관연건，건립료알굴궤공작장치적동역학모형。근거알굴궤실제실황정의료공작장치적작업동작，병결합료EDEM실제알굴부재여두간최대알굴력보사적최위험공황，진행료액압공작장치적알굴동태방진。험증EDEM실제공황여보사적최위험공황하，공작장치결구적합리여가고성，측출료공작장치적응력집중점，공작장치최위험적정태위치여각교접절점적수력，위공작장치적척촌우화여탁복우화전정료기출。
Aiming at the structure strength problem of working device of one domestic large face-shovel hydraulic excavator , established the dynamic model of excavator working device by CAD/CAE rigid-flexible modeling technique and the multidisciplinary collaborative simulation method .According to the digging working conditions ,the working actions defined .Then carried out the simulation of dynamic strength of working device ,combining with the actual mining load of EDEM and the working condition of the maximal theoretical digging force .Proved the rationality and reliability of working device and under the two working conditions , obtained stress concentration points ,the most weak condition and the pivotal point stress of working device .All of these works laid a foundation for the size and topology optimization of working device .
