液压机械英语

1、液压机械英语液压专业词汇流体传动(水力hydraulic power液压技术(水力学hydraulics液力技术(流体力学;水动力学hydrodynamics 气液技术(液压气动学hydro-pneumatics运行工况operating working conditions额定工况rated working conditions极限工况limited working conditions瞬态工况instantaneous working conditions稳态工况steady-state working conditions许用工况acceptable working conditions

2、连续工况continuous working conditions实际工况actual working 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 pr

3、essure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precharge 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(

4、现象cavitations流量flow rate排量displacement额定流量rated flow供给流量supply flow流量系数flow factor滞环hysterics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functio

5、n 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hydraulic sticking变量泵var

6、iable 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(发动机,电动机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cushioni

7、ng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(platevalve插装阀cartridge valve滑阀slide valve锥阀poppet valve阀芯valve element阀芯位

8、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 control 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 typ

9、e 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shutoff valve球阀global/ball valve针阀needle valve闸阀gate valve膜

10、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(开始、开端、极限 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

11、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(振幅 ratio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 li

12、ne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ai

13、r 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 se

14、al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Polytetrafluoroethylene;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 met

15、er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(loop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-wo

16、rk管卡clamper联轴器drive shaft coupling操作台control console(控制台控制屏control panel避震喉compensator粘度viscosity运动粘度kinematical viscosity密度density含水量water content闪点flash point防锈性rust protection(quality抗腐蚀性anticorrosive quality便携式颗粒检测仪portable particle counterPilot valve 先导阀Pilot-operated check valve 液控单向阀Sub-plate

17、 mount 板式安装Manifold block 集成块Pressure relief valve 压力溢流阀Flow valve 流量阀Throttle(扼杀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De-energizing of solenoid(螺线管电磁铁释放二、介质类Phosphate ester (HFD-R 磷

18、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Extension(活塞杆伸出Retraction(活塞杆缩回Malfunction 误动作Pickling 酸洗Flushing 冲洗Dipping process 槽式酸洗Recirculation 循环Passivity 钝化Nitric acid 柠檬酸Argon 氩气Butt welding 对接

19、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elbow union 直角管接头tee union 三通管接头cross union 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

20、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 flapper valve 喷嘴挡板阀Servo-jet pilot valve 射流管阀Dither 颤振电流Coil impedance 线圈阻抗Flow saturation 流量饱和Linearity 线形度Symmetry 对称性Hysterics 滞环T

21、hreshold 灵敏度Lap 滞后Pressure gain 压力增益Null 零位Null bias 零偏Null shift 零飘Frequency response 频率响应Slope 曲线斜坡液压系统(hydraulic system执行元件(actuator液压缸cylinder液压马达motor液压回路circuit压力控制回路pressure control流量(速度控制回路speed control方向控制回路directional valve control安全回路security control定位回路position control同步回路synchronizing c

22、ircuit顺序动作回路sequent circuit液压泵pump阀valve压力控制阀pressure valve流量控制阀flow valve方向控制阀directional valve液压辅件accessory普通阀common valve插装阀cartridge valve叠加阀superimposed valve;Sandwich plate valve 支承环Backup ring液压专业常用英语词汇一、阀类Solenoid valve (工业电磁阀Check valve 单向阀Cartridge valve 插装阀Pilot valve 先导阀Pilot-operated ch

23、eck 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De-energizing of solenoid 电磁铁释放二、介质类Phosp

24、hate 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-circulation 循环Passivity 钝化Nitric acid 柠檬酸Argon

25、 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B

26、anjo 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 flapper valve 喷嘴挡板阀Servo-jet pilot valve 射流管阀Dither 颤振电流Coil impedance 线圈阻抗Flow saturation 流量饱和Linearity 线形度Symmet

27、ry 对称性Hysterics 滞环Threshold 灵敏度Lap 滞后Pressure gain 压力增益Null 零位Null bias 零偏Null shift 零飘Frequency response 频率响应Slope 曲线斜坡泵(本体bump body无油轴承dry bearings油封oil seal扣环retainer ring定位梢locking pin前分流板front port plate凸轮环cam ring轮子rotor后分流板rear port plateO型环O ring端盖end cover六角沉头螺丝countersink hex-crew双头活塞twin

28、piston弹簧spring单头活塞snap piston上盖top cover调整螺栓adjustable bolt螺帽screw nut半圆键woodruff key柱塞plug screw塞头螺丝plug screw排量cc/rev最高使用压力kgf/cm²(psi (bar 315kgf/cm²=4500psi 转速范围rpm零件表parts list塞头plug侧盖side cover调压柱塞spool调流侧盖side cover ( deliv, vol 调压本体pressure adj. bolt高压柱塞spool调压弹簧座spring post脚座型foot

29、 type轴shaft法兰座flange (lug键沟keyway前分流套front port block后分流套rear port block后盖rear cover尺寸图dimensions性能曲线performance curves工作压力MPa (bar 1MPa=10.2Kgf/cm²排量cm³/rev转速范围r/min输入信号电压(DC (V流量Qin流量(lpm压力Pin频率Hz接通时间单位ms线圈耗电功率(A/V A max压力范围(Pnom.: bar流量(Qnom.: e/min电-液比例换向调速阀proportional electro-hydraul

30、ic directional and flow control valves额定电流rated current零值电流quiescent current过载电流overload current线圈电阻coil resistance线圈电感coil inductance额定流量rated flow流量增益flow gain内漏internal leakage非线性度nonlinearity不对称度unsymmetry重叠lap压力增益pressure gain零偏null bias分辨率threshold频率特性frequency response电插头座electrical connector

31、颤振dither伺服放大器servo-amplifier供油压力supply pressure回油压力return pressure耐压和破坏压力proof and burst pressure工作液fluids工作液清洁度filtration液压特性hydraulic characteristics静态特性static performance极性polarity空载流量特性no-load flow characteristic负载特性flow-load characteristics动态特性dynamic performance转移函数transfer function双喷嘴-挡板力反馈两级

32、电液流量控制的伺服阀Double flapper-nozzle, force feedback, two stage electro-hydraulic flow control servo-valves 外形图external configuration结构原理图configuration幅频宽amplitude radio width相频宽phase lag width防尘圈bust wiper; Pin bust seal耐磨环(磨损环 wear ring ; slide ring; abrasion resistant ring滑阀slide valve活塞油封piston seal活

33、塞杆油封rod seal垫片back up ring支承环support ring缓冲环buffer seal气缸垫cylinder washer断面图形section graphics夹布橡胶inter-cloth rubber乳化液emulsion公称尺寸nominal size允差tolerance杂质impurities凹凸缺陷convex and concave disfigurement边缘痕迹edge imprint沟槽尺寸dimension of slot替代substitute取代supersede导向带guide strip挡圈retaining ring简记abridge

34、d notation风动机械pneumatic machineries格来圈Gely ring斯特封Sterfin ring聚四氟乙烯青铜复合材料compound material of PTFE and bronze 安装尺寸installation dimension导向环guiding ring聚甲醛polyoxymethylene夹布胶木inter-cloth bakelite聚氨酯板/棒Polyurethane Bar梅花型联轴器弹性圈club-type elastic ring for joint-shaft皮碗packing bowl夹织物inter-fabrics螺纹插装阀ca

35、rtridge valves电磁换向阀solenoid-operated valves压力控制阀pressure control valves调压范围spring ranges方向控制阀directional control valves阀芯结构形式type of pin锥阀poppet滑阀spool球阀ball流量控制阀flow control valves控制比例pilot ratios二位二通型two way two position锁紧扭矩mounting screw torque标准插封standard cavity标准阀块standard block标准线圈外形尺寸E-Coil s

36、hape dim.直动式溢流阀directly operated relief valves差动式溢流阀differential area relief valves先导式溢流阀pilot-operated relief valves组合溢流阀combined relief valves遥控溢流阀remote control relief valves油液清洁度filtration of oil双向溢流阀bi-directional relieve valves减压阀pressure reducing valves直动式顺序阀direct-acting sequence valves管式单向阀

37、tubular check valves技术参数technical data开启压力cracking pressure压力补偿节流阀(固定节流孔regulator pressure-compensated valves(fixed orifice分流/集流阀flow divider/combiner valves节流controlled flow负载控制阀load control valves插式直动/先导溢流阀relief cartridge valves型号说明ordering code插式节流单向阀needle check cartridge valves碟式充液阀flange-clam

38、ped type, prefill valves油箱侧低压配管suction side pipe导压口接头pilot port adaptor油缸侧高压配管cylinder side pipe管式压力反馈型调速阀pressure-compensated flow control valves管式压力继电器pressure switch-pipe series叠加式压力继电器pressure switch-modular series叠加式电磁调速阀flow control sandwich-valves-solenoid operated管式/板式液压升降阀hydraulic lifting/

39、lowering control valves额定电压rated voltage额定功率nominal power额定转速rotation speed力矩torque转向rotation direction三插hirschmann带嵌套conduit德意志插座integral Deutsch connector双插double spade圆形cylindrical手动卸荷manual override丁腈橡胶NBR氢化丁腈橡胶HNBR氟橡胶FKM硅橡胶PMQ/VMQ聚丙烯酸酯橡胶ACM乙丙橡胶EPDM/EPM夹布橡胶FAB聚氨酯PU热塑型聚氨酯TPU浇注型聚氨酯CPU聚四氟乙烯PTFE聚酰胺P

40、A聚甲醛POM轴用密封(活塞杆 rod seals孔用密封(活塞piston seals防尘密封件scrapers阀门英语名词术语(1范围本标准适用于工业管道(或机器、设备的通用阀门。阀门分类阀门valve用来控制管道内介质流动的,具有可动机构的机械产品的总体。闸阀gate valve, slide valve启闭件(闸板由阀杆带动,沿阀座(密封面作升降运动的阀门。截止阀globe valve, stop valve启闭式(阀瓣由阀杆带动,沿阀座(密封面轴线作升降运动的阀门节流阀throttle valve通过启闭件(阀瓣改变通路截面积,以调节流量、压力的阀门。球阀ball valve启闭式(

41、球体绕垂直于通路的曲线旋转的阀门。蝶阀butterfly valve启闭式(蝶板绕固定轴旋转的阀门。隔膜阀diaphragm valve启闭式(隔膜由阀杆带动,沿阀杆轴线作升降运动,并将动作机构与介质隔开的阀门。旋塞阀cock启闭式(塞子绕其轴线旋转的阀门。止回阀check valve, non-return valve启闭式(阀瓣借介质作用力,自动阻止介质逆流的阀门。安全阀safety valve, relief valve启闭式(阀瓣汉管道或机器设备内介质压力超过规定值时自动开启排放;低于规定值时自动关闭。对管道或机器起保护作用的阀门。减压阀pressure reducing valve通

42、过启闭件(阀瓣的节流,将介质压力降低,并借阀后压力的直接作用,使阀后压力自动保持在一定范围内的阀门。疏水阀steam trap valve自动排放凝结水并阻止蒸汽泄漏的阀门。排污阀用于锅炉、压力容器等设备排污的阀门。低压阀门low pressure valve公称压力PN1.6MPa的各种阀门。中压阀门middle pressure valve公称压力为PN2.0PN<10.0MPa的各种阀门。高压阀门high pressure valve公称压力PN10.0MPa的各种阀门。超高压阀门super high pressure valve公称压力PN100.0MPa的各种阀门。高温阀门hi

43、gh temperature valve用于介质温度>450的各种阀门。低温阀门sub-zero valve用于介质温度为-40-100的各种阀门。超低温阀门cryogenic valve用于介质温度<-100的各种阀门。2.2 结构与零部件结构长度face-to-face dimension, face-to-centre dimension阀门进、出口端面之间的距离;或进口端面到出口轴线的距离。直通式阀门结构长度through way type of valves Face to face dimensions在阀体通道终端两个垂直于阀门轴线平面之间的距离。角式阀门结构长度an

44、gle type of valves Face to face, end to end, center to face and centerto end dimensions在阀体通道某一终端垂直于轴线的平面与阀体另一终端轴线之间的距离。结构形式type of construction各类阀门在结构和几何形状上的主要特征。直通式through way type进、出口轴线重合或相互平行的阀体形式。角式angle type进、出口轴线相互垂直的阀体形式。直流式y-globe type, y-type, diaphragm type通路成一直线,阀杆位置与阀体通路轴线成锐角的阀体形式。三通式thr

45、ee way type具有三个通路方向的阀体形式。T形三通式T-pattern three way塞子(或球体的通路呈“T”璩的三通式。L形三通式L-pattern three way塞子(或球体的通路呈“L”璩的三通式。平衡式balance type利用介质压力平衡其对阀杆的轴向力的结构形式。杠杆式lever type采用杠杆带动启闭件的结构形式。常开式normally open type无外力作用时,启闭件自动处于开启位置的结构形式。常闭式normally closed type无外力作用时,启闭件自动处于关闭位置的结构形式。保温式steam jacket type带有蒸汽加热夹套结构的各

46、种阀门。波纹管式bellows seal type带有波纹管结构的各种阀门。全径阀门full-opening valve阀门内所有部位流道内径尺寸与公称管道内径尺寸相同的阀门。缩径阀门reduced-opening valve阀门内流道孔通径缩小的阀门。缩口阀门reduced-bore valve阀门内流道孔通径缩小,且阀门关闭件流道口为非圆形的阀门。单向阀门uni-directional valve设计为仅一个介质流动方向密封的阀门。双向阀门bi-directional valve设计为两个介质流动方向均密封的阀门。双座双向阀门twin-seat, both seats bi-directi

47、onal, valve阀门有两个密封座,每个阀座的两个介质流动方向均可密封的阀门。一单向座、一双向座的双座阀twin-seat, one seat un-directional and one seatsbi-directional, valve阀门有两个密封座,一个阀座的单向密封,另一个阀座双方密封的阀门。双关双泄放阀(DDBdouble-block-and-bleed valve具有两个密封副的阀门,在关闭位置时,两个密封副可同时保持密封状态,中腔内(两个密封副间的阀体有一个泄放介质压力的接口。表示符号DBB。上密封back seat, back face当阀门全开时,阻止介质由填料函处渗

48、漏的一种密封结构。内压自封pressure seal利作介质压力使阀体和阀盖连接处实现自动密封的结构。阀杆头部尺寸dimension of valve stem head阀杆与手轮、手柄或其它操纵机械装配连接部位的结构尺寸。阀杆端部尺寸dimension of valve stem end阀杆与启闭件连接部位的结构尺寸。连接槽尺寸dimension of connecting channel启闭件与阀杆装配连接部位的结构尺寸。连接形式type of connection阀门与管道或机器设备的连接所采用的各种方式(如法兰连接、螺纹连接、焊接连接等。阀体body与管道(或机器设备直接连接,构成介质

49、流通流道的零件。阀盖bonnet, cover, cap, lid与阀体相连并与阀体(或通过其它零件,如隔膜等构成压力腔的主要零件。启闭件disc用于截断或调节介质流通的一种零件的统称,如闸阀中的闸板、节流阀中的阀瓣等。阀瓣disc截止阀、节流阀、止回阀等阀门中的启闭件。阀座body seat ring, shoulder seated, bottom seat安装在阀体上,与启闭件组成密封副的零件。密封面sealing face启闭件与阀座(阀体紧密贴合,起密封作用的两个接触面。阀杆stem, spindle将启闭动力传递到启闭件上的主要零件。阀杆螺母yoke bushing, yoke n

50、ut与阀杆螺纹构成运动副的零件。填料函在阀盖(或阀体上,充填填料,用来阻止介质由阀杆处泄漏的一种结构。填料箱stuffing box充填填料,阻止介质自阀杆处泄漏的零件。填料压盖gland, gland flange, one-piece gland用以压紧填料达到密封的零件。填料packing, packing rings装入填料函(或填料箱中,阻止介质双阀杆处泄漏的填充物。填料垫packing seat, packing washer支承填料,保持填料密封的零件。支架yoke在阀盖或阀体上,用于支承阀杆螺母和传动机构的零件。撞击手轮impact hand wheel, hammer blo

51、w hand wheel利用撞击作用力以减轻阀门操作力的手轮结构。驱动装置actuator用来操作阀门并与阀门相连接的一种装置。该装置可以用手动、电力、气力、液力或其组合形式的动力源来驱动,其运动过程可由行程、转矩或轴向推力的大小来控制。多回转驱动装置multi-turn-actuator驱动装置向阀门传递转矩时,输出轴可至少旋转一圈,且能承受推力。部分回转驱动装置part-turn-actuator驱动装置向阀门传递转矩时,输出轴的旋转圈数少于一圈。不要求一定能承受推力。电动装置electric actuator用电力驱动启闭或调节阀门的装置。气动装置pneumatic actuator用气

52、压力驱动启闭或调节阀门的装置。直线型气动装置linear pneumatic actuator在封闭的气体回路中,依靠压缩空气的作用使气动装置输出轴作直线运动的气动装置。回转型气动装置rotary pneumatic actuator在封闭的气体回路中,依靠压缩空气的作用使气动装置输出轴作小于360°回转运动的气动装置。气动装置的行程stroke of pneumatic actuator在压缩空气的作用下,气动装置的输出轴沿其轴线方向的线位移或绕其轴线中心的角位移。液动装置hydraulic actuator用液压力启闭或调节阀门的驱动装置。电磁动装置electro magneti

53、c actuator用电磁力启闭阀门的驱动装置。电-液动装置electro hydraulic actuator用电力和液压力启闭或调节阀门的驱动装置。电磁-液动装置electro magnetic-hydraulic actuator用电磁力和液压力启闭或调节阀门的驱动装置。气-液动装置pneumatic-hydraulic actuator用气压力和液压力启闭或调节阀门的驱动装置。蜗轮传动装置worm gear actuator用蜗轮机构启闭或调节阀门的装置。圆柱齿轮传动装置cylindrical gear actuator用圆柱齿轮机构启闭或调节阀门的装置。圆锥齿轮传动装置conical

54、 gear actuator用圆锥齿轮机构启闭或调节阀门的装置。转矩torque通过驱动装置连接法兰和驱动件所传递的转动力矩。以牛顿米(N·m表示。推力thrust通过驱动装置连接法兰和驱动件所传递的轴向力。以牛顿(N表示。闸阀闸阀分类明杆闸阀quts screw stem rising through hand-wheel type gate valve阀杆作升降运动,其传动螺纹在体腔外部的闸阀。暗杆闸阀inside screw non-rising stem type gate valve阀杆作旋转运动,其传动螺纹在体腔内部的闸阀。楔式闸阀wedge gate valve闸板的两侧密封面成楔状的闸阀。平行式闸阀parallel gate valve, parallel slide valve闸板的两侧密封面相互平行的闸阀。闸阀零部件闸板wedge, disc闸阀中的启闭件,其型式有单闸板、双闸板、弹性闸板。单闸板single gate disc整体制造的一种刚性闸板结构。双闸板double gate disc由两块闸板组成的一种闸板结构。弹性闸板flexible gate disc能产生弹性变形的一种闸板结构。球阀球体ball球阀中的启闭件。浮动式球阀float ball valve球