情境二 任务二液压系统分析讲解.ppt

液压系统 液压系统 液压系统 液压泵与油箱 液压泵与油箱 液压泵与油箱 液压泵与油箱 液压泵与油箱 液压泵与油箱 液压泵与油箱 液压泵与油箱 溢流阀 溢流阀 溢流阀 溢流阀 溢流阀 溢流阀 溢流阀 溢流阀 换向阀 换向阀 换向阀 换向阀 换向阀 换向阀 换向阀 换向阀 流量控制阀 过滤器 液压系统 液压系统 液压系统 液压系统 液压系统 液压系统 Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required). Directional valves are most often sliding spool valves. Notes In order to retract the cylinder once it has completed its stroke, a directional control valve is required to switch the fluid to either end of the cylinder (or to block it when no movement is required).