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 direction 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 pressure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 flower 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 speed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-controlled 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 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noise 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 lap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；connection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 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 wiper 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