液压专业词汇

1、液压专业词汇流体传动hydraulic power液压技术hydraulics液力技术hydrodynamics气液技术hydropneumatics运行工况operating conditions额定工况rated conditions极限工况limited conditions瞬态工况instantaneous conditions稳态工况steady-state conditions许用工况acceptable conditions连续工况continuous working conditions实际工况actual conditions效率 efficiency旋转方向directio

2、n of rotation公称压力nominal pressure工作压力working pressure进口压力inlet pressure出口压力outlet pressure压降 pressure drop； differential pressure背压 back pressure启动压力breakout pressure充油压力charge pressure开启压力cracking pressure峰值压力peak pressure运行压力operating pressure耐压试验压力proof pressure冲击压力surge pressure静压力 static pressu

3、re系统压力system pressure控制压力pilot pressure充气压力pre-charge pressure吸入压力suction pressure调压偏差override pressure额定压力rated pressure耗气量 air consumption泄漏 leakage内泄漏 internal leakage外泄漏 external leakage层流 laminar flow紊流 turbulent flow气穴 cavitation流量 flow rate排量 displacement额定流量rated flow供给流量supply flow流量系数flowe

4、r factor滞环 hysteresis图形符号graphical symbol液压气动元件图形符号 symbols for hydraulic and pneumatic components 流体逻辑元件图形符号 symbols for fluid logic devices逻辑功能图形符号symbols for logic functions回路图 circuit diagram压力时间图pressure time diagram功能图 function diagram循环 circle自动循环automatic cycle工作循环working cycle循环速度cycling sp

5、eed工步 phase停止工步dwell phase工作工步working phase快进工步rapid advance phase快退工步rapid return phase频率响应frequency response重复性 repeat ability复现性 reproducibility漂移 drift波动 ripple线性度 linearity线性区 linear region液压锁紧hydraulic lock液压卡紧sticking变量泵 variable displacement pump泵的控制control of pump齿轮泵 gear pump叶片泵 vane pump柱

6、塞泵 piston pump轴向柱塞泵axial piston pump法兰安装flange mounting底座安装foot mounting液压马达hydraulic motor刚度 stiffness中位 neutral position零位 zero position自由位 free position缸 cylinder有杆端 rod end无杆端 rear end外伸行程extend stroke内缩行程retract stroke缓冲 cushioning工作行程working stroke负载压力induced pressure输出力 force实际输出力actual force

7、单作用缸single-acting cylinder双作用缸double-acting cylinder差动缸 differential cylinder伸缩缸 telescopic cylinder阀 valve底板 sub-plate油路块 manifold block 板式阀 sub-plate valve叠加阀 sandwich valve插装阀 cartridge valve滑阀 slide valve锥阀 poppet valve阀芯 valve element阀芯位置valve element position单向阀 check valve液控单向阀pilot-controlle

8、d check valve梭阀 shuttle valve压力控制阀pressure relief valve溢流阀 pressure relief valve顺序阀 sequence valve减压阀 pressure reducing valve平衡阀 counterbalance valve卸荷阀 unloading valve直动式 directly operated type先导式 pilot-operated type机械控制式mechanically controlled type手动式 manually operated type液控式 hydraulic controlled

9、 type流量控制阀flow control valve固定节流阀fixed restrictive valve可调节流阀adjustable restrictive valve单向节流阀one-way restrictive valve调速阀 speed regulator valve分流阀 flow divider valve集流阀 flow-combining valve截止阀 shut-off valve球阀 global(ball) valve针阀 needle valve闸阀 gate valve膜片阀 diaphragm valve蝶阀 butterfly valve噪声等级 n

10、oise level放大器 amplifier模拟放大器analogue amplifier数字放大器digital amplifier传感器 sensor阈值 threshold伺服阀 servo-valve四通阀 four-way valve喷嘴挡板nozzle flapper液压放大器hydraulic amplifier颤振 dither阀极性 valve polarity流量增益flow gain对称度 symmetry流量极限flow limit零位内泄漏null(quiescent) leakage遮盖 lap零遮盖 zero lap正遮盖 over lap负遮盖 under l

11、ap开口 opening零偏 null bias零漂 null drift阀压降 valve pressure drop分辨率 resolution频率响应frequency response幅值比 amplitude ratio相位移 phase lag传递函数transfer function管路 flow line硬管 rigid tube软管 flexible hose工作管路working line回油管路return line补液管路replenishing line控制管路pilot line泄油管路drain line放气管路bleed line接头 fitting ；conn

12、ection焊接式接头welded fitting扩口式接头flared fitting快换接头quick release coupling法兰接头flange connection弯头 elbow异径接头reducer fitting流道 flow pass油口 port闭式油箱sealed reservoir油箱容量reservoir fluid capacity气囊式蓄能器 bladder accumulator空气污染air contamination固体颗粒污染solid contamination液体污染liquid contamination空气过滤器air filter油雾气

13、lubricator热交换器heat exchanger冷却器 cooler加热器 heater温度控制器thermostat消声器 silencer双筒过滤器duplex filter过滤器压降filter pressure drop有效过滤面积effective filtration area公称过滤精度nominal filtration rating压溃压力collapse pressure填料密封packing seal机械密封mechanical seal径向密封radial seal旋转密封rotary seal活塞密封piston seal活塞杆密封rod seal防尘圈密封w

14、iper seal； scraper组合垫圈bonded washer复合密封件composite seal弹性密封件elastomer seal丁腈橡胶nitrile butadiene rubber ； NBR聚四氟乙烯polytetrafluoroethene ；PTFE优先控制override control压力表 pressure gauge压力传感器electrical pressure transducer压差计 differential pressure instrument液位计 liquid level measuring instrument流量计 flow meter压

15、力开关pressure switch脉冲发生器pulse generator液压泵站power station空气处理单元air conditioner unit压力控制回路pressure control circuit安全回路safety circuit差动回路differential circuit调速回路flow control circuit进口节流回路meter-in circuit出口节流回路meter-out circuit同步回路synchronizing circuit开式回路open circuit闭式回路closed circuit管路布置pipe-work管卡 cla

16、mper联轴器 drive shaft coupling操作台 control console控制屏 control panel避震喉 compensator粘度 viscosity运动粘度kinematic viscosity密度 density含水量 water content闪点 flash point防锈性 rust protection抗腐蚀性anti-corrosive quality便携式颗粒检测仪portable particle counterSolenoid valve 电磁阀Check valve 单向阀Cartridge valve 插装阀Sandwich plate

17、valve 叠加阀Pilot valve 先导阀Pilot operated check valve 液控单向阀Sub-plate mount 板式安装Manifold block 集成块Pressure relief valve 压力溢流阀Flow valve 流量阀Throttle valve 节流阀Double throttle check valve 双单向节流阀Rotary knob 旋钮Rectifier plate 节流板Servo valve 伺服阀Proportional valve 比例阀Position feedback 位置反馈Progressive flow 渐增流量

18、De-energizing of solenoid 电磁铁释放二、介质类Phosphate ester (HFD-R)磷酸甘油酯Water-glycol (HFC) 水-乙二醇Emulsion 乳化液Inhibitor 缓蚀剂Synthetic lubricating oil 合成油三、液压安装工程Contamination 污染Grout 灌浆Failure 失效Jog 点动Creep 爬行Abrasion 摩擦Retract（活塞杆）伸出Extension （活塞杆）缩回Malfunction误动作Pickling 酸洗Flushing 冲洗Dipping process 槽式酸洗Re-c

19、irculation 循环Passivity 钝化Nitric acid 柠檬酸Argon 氩气Butt welding 对接焊Socket welding 套管焊Inert gas welding 惰性气体焊四、管接头Bite type fittings 卡套式管接头Tube to tube fittings 接管接头union 直通接管接头union elbow 直角管接头union tee 三通管接头union cross 四通管接头Mal stud fittings 端直通管接头Bulkhead fittings 长直通管接头Weld fittings 焊接式管接头Female connector fittings 接头螺母Reducers extenders 变径管接头Banjo fittings 铰接式管接头Adjustable fittings/swivel nut 旋转接头五、伺服阀及伺服系统性能参数Dynamic response 动态频响DDV-direct drive valve 直动式伺服阀NFPA-National Fluid Power Association美国流体控制学会 Phase lag 相位滞后Nozzle fl