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1、四柱式通用锻造液压机设计I摘要四柱液压机由主机及控制机构两大部分组成。液压机主机部分包括液压缸、横梁、立柱及充液装置等。动力机构由油箱、高压泵、控制系统、电动机、压力阀、方向阀等组成。液压机采用PLC控制系统，通过泵和油缸及各种液压阀实现能量的转换，调节和输送，完成各种工艺动作的循环。该系列液压机具有独立的动力机构和电气系统，并采用按钮集中控制，可实现手动和自动两种操作方式。该液压机结构紧凑，动作灵敏可靠，速度快，能耗小，噪音低，压力和行程可在规定的范围内任意调节，操作简单。在本设计中，通过查阅大量文献资料，设计了液压缸的尺寸，拟订了液压原理图。按压力和流量的大小选择了液压泵，电动机
2、，控制阀，过滤器等液压元件和辅助元件。关键词：三梁四柱,液压机,PLC四柱式通用锻造液压机设计IIABSTRACTThefour-columnhydraulicmachineconsistsoftwopartsofthehostandcontrolagencies.Thehostportionofthehydraulicpress,includinghydrauliccylinders,beams,columnsandliquid-filleddevices.Poweragenciesbythefueltank,highpressurepumps,controlsystems,mot
3、ors,pressurevalve,directionalvalve.ThehydraulicmachineadoptsPLCcontrolsystem,throughthepumpandthefueltankandavarietyofhydraulicvalves,energyconversion,regulationandtransportationtocompletethecycleofthevariousprocessaction.Theserieshydraulicpresswithindependentpowerandelectricsystems,andusethebu
4、ttoncentralizedcontrolcanbebothmanualandautomaticoperation.Thestructureofthehydraulicmachineiscompact,reliablesensitiveaction,speed,energyconsumption,lownoise,pressureandstrokecanbeadjustedwithinthelimitsprescribed,simpleoperation.Inthisdesign,accesstoalargenumberofdocuments,thesizeofthehydraul
5、iccylinderisdesignedtodevelopthehyraulicschematic.Selectaccordingtothesizeofthepressureandflowhydraulicpumps,hyraulicmotors,controlvalves,filtersandothercomponentsandauxiliarycomponnts.Keywords:Three-beamfour-column,hydraulicmachine,PLC四柱式通用锻造液压机设计III目录1绪论.......................................
6、...........................................................................................12液压机本体结构设计.................................................................................................42.1液压机基本技术参数...................................................................................
7、........42.2立柱结构设计.......................................................................................................52.3横梁参数的确定..................................................................................................
