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步进式加热炉同步顶升液压控制系统设计说明书.doc

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步进式加热炉同步顶升液压控制系统设计说明书.doc

摘要I摘要加热炉是将物料或者工件加热的设备。在冶金工业中加热炉习惯上指把金属加热到轧制成锻造温度的工业炉。步进梁式再加热炉是连轧生产线提供钢管再加热所有。它是依靠专用的步进机械使工件在炉内移动的一种机械化炉子。步进梁式加热炉设计一种连续式加热炉它是靠专用的步进机构,按照一定的轨迹运动,使炉内钢料一步一步地向前推进。步进梁式加热炉炉底的结构和传动方式要根据出料的频率和炉子的生产能力决定,它要考虑被加工工件的尺寸参数和工地方面的尺寸大小。所以必须严格计算其内部参数,保证炉子的生产和安全。炉底机械采用双轮斜轨机构。步进梁的升降和平移动作采用液压缸驱动。加热炉炉床由固定梁和步进梁两部分组成,步进梁由双重轮对的多轴框架支撑,其外侧走轮由液压缸驱动,可以在倾斜轨道上滚动,使步进梁作上升或者下降运动。上层托轮直接拖住步进梁,而步进梁则由另两个液压缸带动,实现平移运动。关键词步进梁式加热炉步进梁双轮斜轨式机构液压传动AbstractIIAbstractHeatingfurnaceisthematerialorworkpieceheatingequipment.Inthemetallurgicalindustryinthemetaltoheatinghabitsheatedtorolledintotheindustrialfurnacetemperatureforging.Walkingbeamtypefurnaceisprovidedtosteelrollinglineheatingallagain.Itdependonspecialsteppingmachinerytomaketheworkinthefurnacestoveamechanizedmoving.Steppingbeamfurnacedesignacontinuousreheatingfurnaceofitistorelyonspecialsteppinginstitutions,accordingtocertaintrajectory,makingfurnaceofsteelmaterialwithinstepforward.Stepreheatingfurnacebottomstructureanddrivingmodeaccordingtothematerialofthefrequencyandtheproductioncapacityofthestove,itshouldconsiderdecisionbythesizeofthemachiningparametersandthesiteofsize.Somuststrictlycalculationitsinternalparameters,guaranteetheproductionandthestovesafety.Furnacebottommachineadoptsdoubleinclinedrailagencies.Theriseandfallofwalkingbeambyhydrauliccylinderforpeacemovementdriven.Heatingfurnacebedbyfixedgirdersandwalkingbeamtwoparts,walkingbeamofbydoubleroundmultiaxialframework,thelateralgoroundsupportedbyhydrauliccylinderdrive,cantiltorbitinrollingmakewalkingbeamriseorfallassport.Theupperrollerdirecttuggedwalkingbeam,andwalkingbeamisdrivenbytwootherhydrauliccylinder,realizetheshiftmovement.KeyWordssteppingbeamfurnace,walkingbeam,doubleinclinedrailsystems.commonrailagencies,hydraulictransmission目录III目录摘要........................................................................................................................IAbstract..........................................................................................................................II1绪论.........................................................................................................................11.1步进式加热炉.................................................................................................11.1.1步进式加热炉概述...............................................................................11.1.2选题背景...............................................................................................41.1.3设计目的...............................................................................................51.1.4设计方案...............................................................................................72液压系统分析与设计.............................................................................................92.1运动与负载分析.............................................................................................92.1.1步进式加热炉原始数据.......................................................................92.1.2步进式加热炉工况速度曲线设计.......................................................92.1.3计算稳态工作负载.............................................................................112.1.4拟定液压原理图.................................................................................122.2液压缸参数及其型号...................................................................................132.2.1平移液压缸受力分析.........................................................................132.2.2初选平移液压系统工作压力.............................................................142.2.3平移液压缸主要参数及其选取型号.................................................142.2.4升降液压缸受力分析.........................................................................162.2.5初选升降液压系统工作压力.............................................................182.2.6升降液压缸主要参数及其选取型号.................................................182.3液压泵参数及其型号...................................................................................192.3.1平移液压泵工作压力的确定.............................................................192.3.2平移液压泵流量的确定.....................................................................192.3.3平移液压泵的选取.............................................................................202.3.4升降液压泵工作压力的确定.............................................................202.3.5升降液压泵流量的确定.....................................................................20目录IV2.3.6升降液压泵的选取.............................................................................202.4电动机参数及其型号...................................................................................212.4.1平移液压系统电动机参数及其型号.................................................212.4.2升降液压系统电动机参数及其型号.................................................212.5液压阀件参数及其型号...............................................................................222.5.1平移液压系统阀件参数及其型号.....................................................222.5.2升降液压系统阀件参数及其型号.....................................................222.6液压油管道的选择.......................................................................................222.6.1油管的选用.........................................................................................222.6.2液压油管管径的确定.........................................................................232.6.3液压油管管壁厚的验算.....................................................................232.7液压油管道的选择.......................................................................................242.7.1平移液压系统油箱有效容积.............................................................242.7.2升降液压系统油箱有效容积.............................................................243液压系统性能验算...............................................................................................253.1液压系统压力损失计算...............................................................................253.1.1平移液压系统压力损失.....................................................................253.1.2升降液压系统压力损失.....................................................................263.2液压系统发热温升计算...............................................................................263.2.1平移液压系统发热温升.....................................................................273.2.2升降液压系统发热温升.....................................................................274液压同步控制系统的设计...................................................................................294.1控制系统.......................................................................................................294.1.1电液比例位置控制系统.....................................................................294.1.2设计方案.............................................................................................304.1.3传感器的选择.....................................................................................304.1.4PLC的选择..........................................................................................314.1.5控制系统I/O分配..............................................................................34

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