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病理床液压伺服系统设计【6张图纸】【优秀】【原创】

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病理床液压伺服系统设计【6张图纸】【优秀】【原创】

P病理床液压伺服系统设计/PP44页13000字数说明书任务书6张CAD图纸【详情如下】/PP任务书DOC/PP病理床液压伺服系统设计说明书DOC/PP设计图纸6张DWG/PPBR//PP摘NBSP要/PP随着我国医疗事业的发展和计算机的普及与提高,计算机控制技术越来越多地应用于各行各业中,传统的医疗器械已经不能满足患者的需求了。在此推动下,医疗护理器械的开发势头迅猛,但由于各地经济发展的不平衡性以及诸多人为因素的影响,致使许多先进的医护设备得不到应用,给患者带来了许多不便。为了克服这种困难,研制一套功能齐全、造价低廉的护理器械尤为重要,在这种背景下,计算机控制多功能病理床应运而生了。/PP结合病人的需求,设计了一种能自动实现抬头、屈腿、左右侧翻以及同时实现抬头和屈腿等功能的医用多功能病理床。考虑到该病理床要实现各项功能,特将床板分割成八个部分。驱动方式上采用液压驱动方式,之所以选用液压系统,是因为其运动速度平稳,实用性强。每个动作实现都是由两个液压缸同时直接驱动,上升和下降则通过改变换向阀方向来实现。整个设计分为三步进行首先设计出能实现动作要求的液压系统原理图,根据要求选择各标准件;其次,进行液压缸体的结构设计及材料的选择;最后,做液压站的总体设计。/PPBR//PP关键词液压系统;液压驱动;病理床/PPBR//PP目NBSP录/PP摘要SPANCLASSAPPLETABSPAN/SPANI/PPABSTRACTSPANCLASSAPPLETABSPAN/SPANII/PPBR//PP第1章绪论SPANCLASSAPPLETABSPAN/SPAN1/PP11液压系统综述SPANCLASSAPPLETABSPAN/SPAN1/PP12病理床国内外研究现状SPANCLASSAPPLETABSPAN/SPAN2/PP13课题研究的意义和目的SPANCLASSAPPLETABSPAN/SPAN2/PP第2章病理床液压伺服系统的设计SPANCLASSAPPLETABSPAN/SPAN4/PP21设计要求SPANCLASSAPPLETABSPAN/SPAN4/PP22病理床液压执行元件载荷力计算SPANCLASSAPPLETABSPAN/SPAN4/PP221进行工作情况分析SPANCLASSAPPLETABSPAN/SPAN4/PP222头部运动时的负载情况SPANCLASSAPPLETABSPAN/SPAN5/PP223膝部弯曲时的负载情况SPANCLASSAPPLETABSPAN/SPAN6/PP224躯干运动时的负载情况SPANCLASSAPPLETABSPAN/SPAN7/PP23系统方案制定SPANCLASSAPPLETABSPAN/SPAN8/PP231执行机构的选择SPANCLASSAPPLETABSPAN/SPAN8/PP232调速回路的选择SPANCLASSAPPLETABSPAN/SPAN8/PP233换向回路的选择SPANCLASSAPPLETABSPAN/SPAN8/PP234液压源的选择SPANCLASSAPPLETABSPAN/SPAN8/PP24动作顺序SPANCLASSAPPLETABSPAN/SPAN8/PP25病理床液压系统主要参数计算SPANCLASSAPPLETABSPAN/SPAN10/PP251各液压缸的载荷力计算SPANCLASSAPPLETABSPAN/SPAN10/PP252初选液压缸工作压力及液压缸回油腔背压力SPANCLASSAPPLETABSPAN/SPAN11/PP253液压缸主要参数的确定SPANCLASSAPPLETABSPAN/SPAN11/PP254液压缸实际工作压力的确定SPANCLASSAPPLETABSPAN/SPAN15/PP255液压缸实际所需的流量SPANCLASSAPPLETABSPAN/SPAN15/PP256液压缸的输出功率SPANCLASSAPPLETABSPAN/SPAN15/PP26液压元件的选择SPANCLASSAPPLETABSPAN/SPAN16/PP261液压泵的选择SPANCLASSAPPLETABSPAN/SPAN16/PP262电动机功率的确定SPANCLASSAPPLETABSPAN/SPAN17/PP263液压阀的选择SPANCLASSAPPLETABSPAN/SPAN18/PP264管道尺寸的确定SPANCLASSAPPLETABSPAN/SPAN19/PP265油箱有效容积的确定SPANCLASSAPPLETABSPAN/SPAN19/PP266液压油的选定SPANCLASSAPPLETABSPAN/SPAN20/PP27病理床液压系统性能验算SPANCLASSAPPLETABSPAN/SPAN20/PP271液压系统压力损失SPANCLASSAPPLETABSPAN/SPAN20/PP272系统温升验算SPANCLASSAPPLETABSPAN/SPAN22/PP28本章小结SPANCLASSAPPLETABSPAN/SPAN23/PP第3章病理床所用液压缸基本尺寸的设计SPANCLASSAPPLETABSPAN/SPAN24/PP31液压缸主要尺寸的确定SPANCLASSAPPLETABSPAN/SPAN24/PP311液压缸内径及活塞杆直径的确定SPANCLASSAPPLETABSPAN/SPAN24/PP312缸筒壁厚的计算SPANCLASSAPPLETABSPAN/SPAN24/PP313缸体外径的计算SPANCLASSAPPLETABSPAN/SPAN24/PP314液压缸工作行程的确定SPANCLASSAPPLETABSPAN/SPAN24/PP315最小导向长度的确定SPANCLASSAPPLETABSPAN/SPAN25/PP316缸体长度的确定SPANCLASSAPPLETABSPAN/SPAN26/PP32液压缸的结构设计SPANCLASSAPPLETABSPAN/SPAN27/PP321缸体与缸盖的连接结构SPANCLASSAPPLETABSPAN/SPAN27/PP322活塞杆与活塞的连接结构SPANCLASSAPPLETABSPAN/SPAN27/PP323密封装置SPANCLASSAPPLETABSPAN/SPAN27/PP324液压缸的缓冲装置SPANCLASSAPPLETABSPAN/SPAN28/PP325液压缸主要零件的材料SPANCLASSAPPLETABSPAN/SPAN28/PP326液压缸的安装方法SPANCLASSAPPLETABSPAN/SPAN28/PP33本章小结SPANCLASSAPPLETABSPAN/SPAN28/PP第4章病理床液压站的设计SPANCLASSAPPLETABSPAN/SPAN29/PP41油箱的设计SPANCLASSAPPLETABSPAN/SPAN29/PP411液压油箱容积的确定SPANCLASSAPPLETABSPAN/SPAN29/PP412油箱的结构设计SPANCLASSAPPLETABSPAN/SPAN30/PP42液压泵组的结构设计SPANCLASSAPPLETABSPAN/SPAN31/PP421布置方式SPANCLASSAPPLETABSPAN/SPAN31/PP422连接和安装方式SPANCLASSAPPLETABSPAN/SPAN31/PP423防振降噪措施SPANCLASSAPPLETABSPAN/SPAN32/PP43本章小结SPANCLASSAPPLETABSPAN/SPAN32/PP结NBSP论SPANCLASSAPPLETABSPAN/SPAN33/PP致NBSP谢SPANCLASSAPPLETABSPAN/SPAN34/PP参考文献SPANCLASSAPPLETABSPAN/SPAN35/PP附录ASPANCLASSAPPLETABSPAN/SPAN36/PPBR//PPCONTENTS/PPABSTRACTSPANCLASSAPPLETABSPAN/SPANII/PPCHAPTER1INTRODUCTIONSPANCLASSAPPLETABSPAN/SPAN1/PP11SUMMARYOFTHEHYDRAULIICSYSTEMSPANCLASSAPPLETABSPAN/SPAN1/PP12THERESEARCHOFPATHOLOGICALBEDSPANCLASSAPPLETABSPAN/SPAN2/PP13THEMEANINGANDPURPOSEOFTHERESEARCHSPANCLASSAPPLETABSPAN/SPAN2/PPCHAPTER2THEDESIGNOFPATHOLOGICALBEDHYDRAULICSERVOSYSTEMSPANCLASSAPPLETABSPAN/SPAN4/PP21DESIGNREQUIREMENTSSPANCLASSAPPLETABSPAN/SPAN4/PP22PATHOLOGICALBEDHYDRAULICACTUATORLOADFORCECALCULATIONSPANCLASSAPPLETABSPAN/SPAN4/PP221ANALYSISOFTHEWORKSPANCLASSAPPLETABSPAN/SPAN4/PP222LOADOFTHEHEADMOVEMENTSPANCLASSAPPLETABSPAN/SPAN5/PP223LOADOFTHEKNEESBENTSPANCLASSAPPLETABSPAN/SPAN6/PP224LOADOFTHETRUNKMOVEMENTSPANCLASSAPPLETABSPAN/SPAN7/PP23SYSTEMPROGRAMMINGSPANCLASSAPPLETABSPAN/SPAN8/PP231THECHOICEOFIMPLEMENTINGAGENYSPANCLASSAPPLETABSPAN/SPAN8/PP232THECHOICEOFSPEEDCONTROLLOOPSPANCLASSAPPLETABSPAN/SPAN8/PP233THECHOICEOFTRADINGTOTHELOOOPSPANCLASSAPPLETABSPAN/SPAN8/PP234THECHOICEOFHYDRAULICSOURCESPANCLASSAPPLETABSPAN/SPAN8/PP24SEQUENCEOFMOVEMENTSPANCLASSAPPLETABSPAN/SPAN8/PP25THEMAINCALCULATIONOFPATHOLOGICALBEDHYDRAULICSYSTEMSPANCLASSAPPLETABSPAN/SPAN10/PP251LOADFORCEOFTHEHYDRAULICCYLINDERCALCULATIONSPANCLASSAPPLETABSPAN/SPAN10/PP252PRIMARYHYDRAULICCYLINDERPRESSUREANDBACKPRESSSUREOFHYDRAULICCYLINDERBACKTOTHEOILCHAMBERSPANCLASSAPPLETABSPAN/SPAN11/PP253THEMAINPARAMETERSOFHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN11/PP254THEDETERMINATIONOFHYDRAULICCYLINDEROFTHEACTUALWORKINGSPANCLASSAPPLETABSPAN/SPAN15/PP255HYDRAULICCYLINDEROFTHEACTUALTRAFFICSPANCLASSAPPLETABSPAN/SPAN15/PP256THEOUTPUTPOWEROFTHEHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN15/PP26CHOICEOFHYDRAULICCOMPONENTSSPANCLASSAPPLETABSPAN/SPAN16/PP261THECHOICEOFHYDRAULICPUMPSPANCLASSAPPLETABSPAN/SPAN16/PP262THEDETERMINATIONOFTHEMOTORPOWERSPANCLASSAPPLETABSPAN/SPAN17/PP263THECHOICEOFHYDRAULICVALVESSPANCLASSAPPLETABSPAN/SPAN18/PP264THEDETERMINATIONOFPIPESIZESSPANCLASSAPPLETABSPAN/SPAN19/PP265THEDETERMINATIONOFTHEEFFECTIVETANKVOLUMESPANCLASSAPPLETABSPAN/SPAN19/PP266THESELECTIONOFTHEHYDRAULICOILSPANCLASSAPPLETABSPAN/SPAN20/PP27PATHOLOGICALBEDHYDRAULICSYSTEMPERFORMANCECALCULATIONSPANCLASSAPPLETABSPAN/SPAN20/PP271HYDRAULICSYSTEMPRESSURELOSSSPANCLASSAPPLETABSPAN/SPAN20/PP272SYSTEMTEMPERATURERISECHECKINGSPANCLASSAPPLETABSPAN/SPAN22/PP28CHAPTERSUMMARYSPANCLASSAPPLETABSPAN/SPAN23/PPCHAPTER3DESIGNOFPATHOLOGICALBEDWITHTHEBASICDIMENSIONSOFHYDRAULICCYLINDERSSPANCLASSAPPLETABSPAN/SPAN24/PP31THEDETERMINEOFHYDRAULICCYLINDERSIZESPANCLASSAPPLETABSPAN/SPAN24/PP311HYDRAULICCYLINDERBORESANDPISTONRODDIAMETERSPANCLASSAPPLETABSPAN/SPAN24/PP312CYLINDERWALLTHICKNESSCALCULATIONSPANCLASSAPPLETABSPAN/SPAN24/PP313CYLINDEROUTERDIAMETEROFTHECALCULATIONSPANCLASSAPPLETABSPAN/SPAN24/PP314THEDETERMINATIONOFHYDRAULICCYLINDERSTROKESPANCLASSAPPLETABSPAN/SPAN24/PP315THEDETERMINATIONOFMINIMUMORIENTEDLENGTHSPANCLASSAPPLETABSPAN/SPAN25/PP316THEDETERMINATIONOFCYLINDERLENGTHSPANCLASSAPPLETABSPAN/SPAN26/PP32DESIGNOFTHESTRUCTURALOFHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN27/PP321CONNECTIONSTRUCTUREOFCYLINDERBLOCKANDCYLINDERHEADSPANCLASSAPPLETABSPAN/SPAN27/PP322CONNECTIONSTRUCTUREOFPISTONRODANDPISTONSPANCLASSAPPLETABSPAN/SPAN27/PP323SEALSSPANCLASSAPPLETABSPAN/SPAN27/PP324THEBUFFERDEVICEOFTHEHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN28/PP325THEMAINMATERIALPARTSOFTHEHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN28/PP326THEINSTALLATIONOFTHEHYDRAULICCYLINDERSPANCLASSAPPLETABSPAN/SPAN28/PP33CHAPTERSUMMARYSPANCLASSAPPLETABSPAN/SPAN28/PPCHAPTER4DESIGNOFPATHOLOGICALBEDHYDRAULICSTATIONSPANCLASSAPPLETABSPAN/SPAN29/PP41DESIGNOFTANKSPANCLASSAPPLETABSPAN/SPAN29/PP411THEDETERMINATIONOFTHEHYDRAULICOILTANKSPANCLASSAPPLETABSPAN/SPAN29/PP412THESTRUCTURALDESIGNOFTHETANKSPANCLASSAPPLETABSPAN/SPAN30/PP42THESTRUCTURALDESIGNOFTHEHYDRAULICPUMPGROUPSPANCLASSAPPLETABSPAN/SPAN31/PP421LAYOUTSPANCLASSAPPLETABSPAN/SPAN31/PP422CONNECTIONANDINSTALLATIONSPANCLASSAPPLETABSPAN/SPAN31/PP423THEMEASURESOFANTIVIBRATIONNOISEREDUCTIONSPANCLASSAPPLETABSPAN/SPAN32/PP43CHAPTERSUMMARYSPANCLASSAPPLETABSPAN/SPAN32/PPBR//PPCONCLUSIONSPANCLASSAPPLETABSPAN/SPAN33/PPACKNOWLEDGEMENTSSPANCLASSAPPLETABSPAN/SPAN34/PPREFERENCESSPANCLASSAPPLETABSPAN/SPAN35/PPADDENDUNASPANCLASSAPPLETABSPAN/SPAN36/PPBR//PP课题研究的意义和目的/PP现代科技高速发展,医疗器械也日新月异,为使生活不能自理的病人得到最有效的治疗,多功能智能病理床的研制被提上了日程,课题研究的意义是使患者能够自己手控完成坐起、抬腿及侧翻身的动作。课题完成后能使生活不能自理的病人得到最有效的治疗。/PP多功能病理床,根据人机工程学原理,采用计算机控制技术,对液压伺服机构进行控制,使之具备任意角度独立翻转和组合翻转功能,具体为/PP帮助病人抬头或调节枕高;/PP帮助病人坐起或调节上身角度;/PP上身抬起时头部可适度后仰;/PP帮助病人抬腿;/PP大腿抬起时小腿可适度弯曲;/PP形成座椅;/PP左、右侧翻身。/PP本文完成的是病理床液压伺服设计。设计完成病理床的执行机构,执行机构主要完成床体的运动功能,在设计中采用液压阀的方式,建立液压控制台,通过阀体运动,带动液压缸前后运动,从而实现床体的升降功能。/PPIMGSRC/UEDITOR/NET/UPLOAD/20140406/03D4DA8D9FD54B578869A8C62125833DGIFSTYLEFLOATNONETITLEQQ截图20130801223834GIF//PPIMGSRC/UEDITOR/NET/UPLOAD/20140406/EFEEE8E6BFC741F9B1993D79A8BDDA4FGIFSTYLEFLOATNONETITLEQQ截图20130801223838GIF//PPBR//P

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