液壓圖形符號解析

1、Hydraulic Graphic Symbols to ISO 1219 ISO 1219 液壓圖形符號1ContinuousWorking linepower lineDashedPilot control lineExternal/internal drain lineCross-over position連續(xù)線工作油路動(dòng)力油路虛線先導(dǎo)控制油路外部/內(nèi)部泄油油路過渡位置2Chain dottedEnclosure of two or more functions contained in one unit DoubleMechanical connections(Shaft, lever

2、, piston rod)點(diǎn)劃線在一個(gè)單元內(nèi)兩個(gè)或更多功能的圍框 雙線機(jī)械連接(軸，杠桿，活塞桿)3Filledhydraulic Openpneumatic實(shí)心三角形液控 空三角形氣控4Straight or angledMovement in a straight line, flow path anddirection through a valveDirection of thermal flowCurvedDirection of rotation,Gives the direction of rotation viewed from shaft end直線或斜線直線油路中的運(yùn)動(dòng)，流

3、動(dòng)路徑和通過閥的方向熱流方向曲線旋轉(zhuǎn)方向從軸端看旋轉(zhuǎn)方向5Diagonal arrowFacility for adjustment of pumps, motors, springs, solenoidsElectrical對角線泵、馬達(dá)、彈簧、電磁鐵的調(diào)節(jié)裝置電氣6Path or connection closedLinear electrical actuators acting in opposite directions 路徑或連接中斷雙方向作用線性電氣執(zhí)行器7Temperature indicator or temperature controlDrive unit溫度指示或控制驅(qū)

4、動(dòng)單元8SpringThrottle彈簧節(jié)流孔9ConnectionCross-over連接交叉10Flexible hose Air bleed connection,continuous軟管 放氣連接連續(xù)11Air bleed connectiontime limitedopen / closed Quick release couplingwithout mechanically opening check valve 放氣連接時(shí)間限制開 / 閉快換接頭沒有機(jī)械打開的單向閥12Quick release couplingwith mechanically opening check va

5、lveRotary coupling with 1 connection快換接頭有機(jī)械打開的單向閥回轉(zhuǎn)接頭帶一個(gè)油路13Rod, linear motion Shaft, rotary motion 桿，線性運(yùn)動(dòng)軸，旋轉(zhuǎn)運(yùn)動(dòng)14Detent, retains pre-determined position General symbol棘爪，保持在預(yù)先位置通用符號15Push buttonPull-out knob 按鈕拉出鈕 16Push button/pull-out knob Lever按鈕/拉鈕手柄17Pedal, 1 direction of operation Pedal, bi-d

6、irectional 踏板，一個(gè)工作方向 踏板，雙方向 18Push rodRoller shaft壓桿滾輪19Push rod with stroke limitation Spring帶行程限制的壓桿彈簧20Roller lever Electrical, 1 coil 擺臂 電氣線圈21Electrical, 2 opposed coilsElectrical, 2 opposed adjustable coils電氣，雙線圈電氣，雙比例線圈222 parallel acting actuators Actuation by pressure loading/unloading,acti

7、ng direct on actuator 2并聯(lián)執(zhí)行器通過壓力加載或卸載23Actuation by pressure loading/unloading,by different sized control areas situated opposite each other Internal control channel 雙向液控，作用面積不同 內(nèi)部控制通路 24External control channel Pneumatic / hydraulic actuation 外控氣控/液控 252 stage hydraulic actuation 2 stage electrohyd

8、raulic actuation, external pilot oil feed2級液控 2級電液控制，外部油源262 stage pneumatic-hydraulic actuation, external pilot oil drain 2 stage electrohydraulic actuation, spring centered mid-position, external pilot oil feed and drain2級氣液控制，外部泄油 2級電液控制，彈簧回中，外部油源和泄油 272 stage electrohydraulic actuation, pressure

9、 centered mid-position, external pilot oil feed and drain External return of actuator actual position2 級電液控制，壓力回中，外部油源和泄油執(zhí)行器實(shí)際位置外部返回28Internal return of actuator actual positionHydraulic執(zhí)行器實(shí)際位置內(nèi)部返回液壓29Pneumatic Electric motor氣動(dòng) 電動(dòng)機(jī)30Drive unit, except electric motor Fixed displacement pump, general

10、驅(qū)動(dòng)單元，除了電動(dòng)機(jī) 定量泵31Fixed displacement pump1 direction of flow1 direction of rotation Variable displacement pumpbi-directional flow1 direction of rotationleakage port 定量泵單方向流動(dòng)單方向旋轉(zhuǎn)變量泵，雙向流動(dòng)，單方向旋轉(zhuǎn)，帶泄油口32Fixed displacement motor,bi-directional flowbi-directional rotationFixed displacement pump/motor,1 dire

11、ction of flow1 direction of rotation 定量馬達(dá)雙向流動(dòng)雙向旋轉(zhuǎn)定量泵/馬達(dá)單流動(dòng)方向單旋轉(zhuǎn)方向33Variable displacement pump/motormanual adjustment,bi-directional flowbi-directional rotationleakage port Hydraulic rotary motor 變量泵/馬達(dá)手動(dòng)變量雙向流動(dòng)雙向旋轉(zhuǎn)泄油口擺動(dòng)馬達(dá)34Hydraulic compact gear Variable displacement pump with pressure compensator1 d

12、irection of flow1 direction of rotationleakage port液壓緊湊齒輪泵 恒壓變量泵單方向流動(dòng)單方向轉(zhuǎn)動(dòng)泄油口35Variable displacement pump/motor with pressure compensatorbi-directional flowbi-directional rotationleakage port Single acting cylinder, return stroke by undefined force恒壓變量泵/馬達(dá)單方向流動(dòng)單方向轉(zhuǎn)動(dòng)泄油口單作用液壓缸，外力縮回36Single acting cyli

13、nder, spring returnDouble acting cylinder with single piston rod 單作用液壓缸，彈簧復(fù)位單活塞桿雙作用液壓缸37Double acting cylinder with double piston rodSingle rod cylinder雙活塞桿雙作用液壓缸單桿液壓缸38Single acting hydraulic cylinder, return stroke by pressure loading, piston area connected to tankDouble acting hydraulic cylinder

14、single piston rod, adjustable cushioning at both ends 單作用液壓缸，壓力釋放伸出，無桿腔接油箱雙作用液壓缸，單活塞桿，雙端可調(diào)緩沖39Telescopic hydraulic cylinder,single actingTelescopic hydraulic cylinder,double acting多級液壓缸，單作用多級液壓缸，雙作用40Without pre-load With gas pre-load 無預(yù)加載氣體預(yù)加載41Gas bottle,vertical position only Valve with 2 spool p

15、ositions and 1 cross-over position 氣瓶，垂直位置帶有兩個(gè)閥位和一個(gè)過渡位的閥42Valve with 2 spool positions,2 ports,initial position closed, bi-directional flow Valve with 2 spool positions,2 ports, initial position open,bi-directional flow 2位2通閥，初始位置導(dǎo)通，雙向2位2通閥，初始位置開路，雙向43Valve with 2 spool positions,3 ports, initial po

16、sition open,bi-directional flow 2/2-directional valve,2 ports,2 spool positions 2位3通閥，初始位置開路，雙向2位2通閥443/2-directional valve,3 ports,2 spool positions,1 cross-over position,solenoid actuation,initial position defined by spring 5/2-directional valve,5 ports,2 spool positions,actuation by pressure load

17、ing in both directions 2位3通方向閥1個(gè)過渡位置電磁鐵驅(qū)動(dòng)初始位置彈簧決定2位5通方向閥1個(gè)過渡位置液控?fù)Q向454/3-directional valve (detailed symbol),electrohydraulic actuation,4 ports,3 spool positions,spring-centered mid-position,emergency actuation,external pilot oil drainSimplified symbol 簡化符號 3位4通方向閥彈簧回中緊急操作外部油源和泄油464/3-directional val

18、ve(detailed symbol),electrohydraulic actuation,4 ports,3 spool positions,Spring-centered mid-position,emergency actuation,external pilot oil drainSimplified symbol 簡化符號 3位4通方向閥彈簧回中緊急操作外部油源和泄油47Valve with 2 end positions and unlimited cross-over positions Valve with 3 defined positions and unlimited

19、crossover positions2位閥無限制的過渡位置2位閥無限制的過渡位置48Proportional/servo valve,negative overlap Proportional/servo valve,positive overlap比例閥/伺服閥負(fù)遮蓋比例閥/伺服閥正遮蓋494/3-way servo valve(typical example) Check valve, unloaded3位4通伺服閥 (典型例子) 單向閥，無彈簧50Check valve, spring loaded Check valve, pilot operated, without spring

20、 pre-load單向閥，有彈簧單向閥，先導(dǎo)操作，無彈簧51Check valve, pilot operated, with spring pre-load Shuttle valve 單向閥，先導(dǎo)操作，有彈簧梭閥 52Bleed valve Pressure valve, 1 throttling cross section, normally closed釋放閥 壓力閥，1個(gè)節(jié)流口，常閉53Pressure valve, 1 throttling cross section, normally openPressure limiting valve, direct operated,in

21、ternal pilot oil feed 壓力閥，1個(gè)節(jié)流孔，常開壓力限制閥，直動(dòng)，內(nèi)控內(nèi)泄54Pressure limiting valve, direct operated,external pilot oil drain Pressure limiting valve, pilot operated,internal pilot oil feed and drain 壓力限制閥，直動(dòng)，內(nèi)控外泄壓力限制閥，先導(dǎo)操作，內(nèi)控內(nèi)泄55Pressure limiting valve, pilot operated,electrically actuated decompression,inter

22、nal pilot oil feed,external pilot oil drain2-way pressure reducing valve,direct operated,internal pilot oil feed 壓力限制閥，先導(dǎo)操作，電控卸荷，內(nèi)控內(nèi)泄2通減壓閥，直動(dòng)，內(nèi)控562-way pressure reducing valve,pilot operated,internal pilot oil feed,external pilot oil drain 3-way pressure reducing valve,direct operated,internal pilot

23、 oil feed 2通減壓閥，先導(dǎo)操作，外泄3通減壓閥，直動(dòng)，內(nèi)控57Throttle valve, adjustable Shut-off valve 可調(diào)節(jié)流閥 行程閥58Throttle/check valve2-way flow control valve,pressure compensated 單向節(jié)流閥2通流量閥，壓力補(bǔ)償592-way flow control valve,pressure and temperature compensated 3-way flow control valve,pressure and temperature compensated 2通流量

24、閥，壓力和溫度補(bǔ)償3通流量閥，壓力和穩(wěn)定補(bǔ)償60Flow divider 2-way cartridge valves(logic elements),directional valve, free from oil leakage,different effective areas 分流閥 2通插裝閥(邏輯單元),直動(dòng)，泄油自由，不同作用面積61Flow control valve Directional valve,free from oil leakage in one direction,same effective areas 流量控制閥 方向閥，一個(gè)方向泄油資源，相同作用面積62Tank, open (to the atmosphere)Tank, open (to the atmosphere),end of pipe above le