柳工装载机液压系统(画过)课件

标题,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,*,CLG856,液压系统,Hydraulic System,CLG856液压系统,CLG856,液压系统组成,Hydraulic System Composition,CLG856液压系统组成Hydraulic System,CLG856,液压系统组成,Hydraulic System Composition,Working Hydraulic System,CLG856液压系统组成Hydraulic System,CLG856,液压系统组成,Hydraulic System Composition,Steering Hydraulic System,CLG856液压系统组成Hydraulic System,CLG856,液压系统组成,Hydraulic System Composition,Brake Hydraulic System,CLG856液压系统组成Hydraulic System,CLG856,液压系统原理,Hydraulic System Principle,CLG856液压系统原理Hydraulic System,柳工装载机液压系统(画过)课件,Working Hydraulic System,Single Lever Pilot Valve,Principle:,8,Working Hydraulic SystemSingle,8,Working Hydraulic System,Main Valve,Principle:,9,P,T,P,T,Working Hydraulic SystemMain V,9,工作系统参数,Parameters of Working System,工作泵,:,Working pump:,排量,:,.,.140ml/r,Displacement:.140ml/r,工作系统设定压力,:.,.,.,20 MPa,Working system setting pressure:.20 MPa,额定转速,:.2200 r/min,Rated revolution:.2200 r/min,先导操纵阀,:,Pilot valve:,额定工作压力,:.,.,2.5 MPa,Rated working pressure:.2.5 MPa,额定流量,:.10 L/min,Rated flow:.10 L/min,控制压力范围,:,Controlled pressure range:,铲斗联,:.0.52.5 MPa,Bucket linkage:.0.5-2.5 MPa,动臂联,:.0.52.0 MPa,Movable arm linkage:0.5-2.0 MPa,电磁铁工作电压,:.,.,.,DC 24 V,Electromagnet working pressure:DC 24 V,工作系统参数Parameters of Working S,工作系统参数,Parameters of Working System,组合阀,:,Combination valve:,额定流量,:20L/M,Rated flow:20 L/M,溢流设定压力,:4.0MPa,Overflow setting pressure:,4.0 MPa,到先导阀入口压力,:3.5MPa,Pressure to inlet of pilot valve:,3.5 MPa,单向阀,:,Check valve:,开启压力,:0.05MPa,Opening pressure:0.05 MPa,工作系统参数 Parameters of Working,工作系统参数,Parameters of Working System,分配阀,:,Distribution valve:,类型,:,整体双联阀,Type:integral dual valve,额定流量,:250L/M,Rated flow:250L/M,主溢流阀设定压力,:20MPa,Main overflow valve setting pressure:20 MPa,转斗油缸小腔设定压力,:22MPa,Setting pressure of small cavity of rotating bucket cylinder:22 MPa,转斗油缸大腔设定压力,:22MPa,Setting pressure of big cavity of rotating bucket cylinder:22 MPa,液压油牌号,:,Brand of hydraulic oil,一般地区,:HM46,抗磨液压油,General region:HM46 antiwear hydraulic oil,寒冷地区,:HV46,低温抗磨液压油,Cold region:HV46 low-temperature antiwear hydraulic oil,液压油箱,:,Hydraulic oil tank:,容量,:210L,Capacity:210 L,工作系统参数 Parameters of Working,液压阀件介绍,Introduction of Hydraulic Valves,先导阀,Pilot Valve,组成,:,Components:,动臂联,:,实现动臂升、降及浮动,转斗联,:,实现铲斗的翻转动作,Movable arm linkage:,realize lifting,descending and floating,of the movable arm,Bucket linkage:,realize turnover of the bucket,工作速度与操作手柄的关系,:,手柄动作角度越大，工作速度越快,Relation between working speed and operating handle:,the greater the operating angle of the handle is,the higher the working speed is.,Combination valve oil in,Oil return,Enclosed oil,计量阀,Metering Valve,顺序阀,Sequence Valve,液压阀件介绍Introduction of Hydraul,液压阀件介绍,Introduction of Hydraulic Valves,组合阀,Combination Valve,作用,:,向先导阀提供控制油,.,Function:,provide control oil to the pilot valve,组成,:,溢流阀,减压阀,单向阀,Components:,overflow valve,pressure reducing valve and check valve,溢流阀,:,先导式,限定先导系统压力,Overflow valve:,pilot type,limit the pressure of,pilot system,减压阀,:,减小来自先导泵或动臂油缸大腔的油压,Pressure reducing valve:,reduce oil pressure from,pilot valve or big cavity of movable arm cylinder,液压阀件介绍 Introduction of Hydrau,液压阀件介绍,Introduction of Hydraulic Valves,分配阀,Distribution Valve,组成:动臂滑阀,转斗滑阀,主溢流阀，转斗油缸大小腔双作用平安阀.,Components:movable arm slide valve,rotating bucket slide valve,main overflow valve,dual-action safety valve of big cavity and small cavity of rotating bucket cylinder,串-并联式,Series-parallel type,进油:串联,转斗优先,Oil in:series,rotating bucket takes priority,回油:并联,Return oil:parallel,补油单向阀:,Refilling check valve:,防止油缸小腔内发生穴蚀,Prevent cavity erosion in small cavity of cylinder,当油缸活塞杆收回速度大于泵的供油速度时,When the retraction speed of a piston rod of the cylinder is greater than the oil supply speed of the pump,当油缸受到突然冲击时,When the cylinder is suddenly impacted,补油单向阀,Refilling Check Valve,节流孔,Throttle Hole,Pilot Operated Check Valve,液压阀件介绍 Introduction of Hydrau,液压阀件介绍,Introduction of Hydraulic Valves,分配阀,Distribution Valve,主溢流阀,:,先导式,调定主工作系统压力,.,Main overflow valve:,pilot type,adjust main,working system pressure,压力调节,:,旋出、旋进调节螺钉来增加或减小系统压力,Pressure adjustment:,screw off and screw in the adjusting screw to increase or reduce the system pressure,压力调节螺钉,Pressure Adjusting Screw,液压阀件介绍 Introduction of Hydrau,液压阀件介绍,Introduction of Hydraulic Valves,分配阀,Distribution Valve,转斗油缸卸载阀(即转斗油缸大小腔双作用平安阀),Rotating bucket cylinder unloading valve,液压阀件介绍 Introduction of Hydrau,检测与调整,Inspection and Adjustment,工作时间检查,Working time inspection,动臂起升时间:6.5 秒内(正常工作温度,额定载荷,额定转速),Movable arm lifting time:within 6.5 s(normal working temperature,rated load and rated revolution),动臂下降时间:3.6 秒内(怠速,空载),Movable arm descendin