負載敏感型比例多路閥

1、負載敏感型比例多路閥Solutions for a World under Pressure普通六通多路閥:集換向閥，單向閥；過載閥；補油閥等功能為一體的集成閥。流量受負載影響。零位死區(qū)大?？梢杂形⒘康谋壤刂品秶?隨著系統(tǒng)壓力升高而減少?？梢詫崿F(xiàn)啟動平穩(wěn)無沖擊。Solutions for a World under PressureHYDRAULIK恒流量控制工作原理（一）F PmASolutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIKSolutions for a World under Pressu

2、rePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIKSolutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIKSolutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIK£x4('M bar 3 b»r| cm s 410 kp3<?( W twr « 3 ff mJ = 4 K)kpSolutions for a World under PressurePSL和PS V

3、比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIK恒流量控制工作原理（二）Solutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIKSolutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIKObar (load 引gcw/)13 barp - ?3 bar £l/mtn75 7minShunt valveSolutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8

4、-7HYDRAULIK恒流量控制工作原理（三）在相同的壓差下，節(jié)流口而禎題大流量越大。通過三通流量閥保持節(jié)流口兩端的壓差恒定。多余流量由三通閥分流 冋油箱。節(jié)流閥的壓差只決定于 彈董力大小。不受負我 影響。該閥有一個進口兩個出 口鈕三通流量控制閥獨立負載控制工作原理（二）z * ; 2 var? I ；bar75/O par（J注廠! ! G P 廠為了確保多個執(zhí)行元件同 時工作，在片閥之間應(yīng)進 行壓力補償。對于不同壓力負載的執(zhí)行 元件來說，補償閥應(yīng)可以 自動實現(xiàn)不同的壓力需求 補償。由于該壓力補償閥為一進 一出二個油口故稱“二通 流量控制閥” O標(biāo)準(zhǔn)定量系統(tǒng)的效率系統(tǒng)卸荷用力P負載壓力P1所

5、需流暈Q1泵流星QA由主溢流閥設(shè)定系統(tǒng)的最大工作壓力A系統(tǒng)總是以最大流量工作閥控系統(tǒng)的效率系統(tǒng)卸荷壓力P 負載壓力Pl所需流fflQl泵流量QA系統(tǒng)壓力由三通閥建立A系統(tǒng)壓力略高于負載最高壓力100bar200barA多余流量于系統(tǒng)壓力下卸荷。Solutions for a World under PressurePSL和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIK泵控系統(tǒng)的效率負載壓力P1系統(tǒng)卸荷壓力P_所需流量Q1泵流量QA系統(tǒng)壓力由變量控制器建立A系統(tǒng)壓力略高于負載最高壓力A變量泵按需要輸出流量Solutions for a World under PressurePSL

6、和PS V比例多路閥產(chǎn)品介紹2013-8-7HYDRAULIK兩通壓力補償器雖然兩通閥可以實現(xiàn)控制與負載無關(guān)，是通過消耗能量來實現(xiàn)的，節(jié)流 發(fā)熱的大小決定于補償壓力和過流量。在控制精度高的場合，由于壓力補償器在初始狀態(tài)是全開的，補償特性 較差，因此不能用于負載速度壞節(jié)。Solutions for a World under PressureHYDRAULIKPSL-前板卜LS盡Solutions for a World under PressureHYDRAULIKPSL-換向閥予;b一 ISolutions for a World under PressureHYDRAULIKPSL-換向閥

7、附加片ASolutions for a World under PressureHYDRAULIKPSL-換向閥附加中間片A BII1AB00Solutions for a World under PressureHYDRAULIKPSL-中間過渡片HZII dII1II1II1II1II1II1H*II1HH 1£1Ji 11三吐I-HSolutions for a World under PressureHYDRAULIKSS(EACPSL-換向機構(gòu)卩5Tb(P)0(R)ai<BASolutions for a World under PressureHYDRAULIK電液

8、手聯(lián)動帶來的優(yōu)勢整機方便布局減少操作強度簡化管路；增加靈活性提高總體效率實現(xiàn)遙控及遠控危險區(qū)域的工程機械帶位移傳感器的閥芯增加動態(tài)響應(yīng)克服滑閥死區(qū)提高控制精度及操作的重復(fù)性。減少滯環(huán)的產(chǎn)生。Solutions for a World under PressureHYDRAULIK減振觀Solutions for a World under PressureHYDRAULIKPSL和PSV型比例換向閥基本結(jié)構(gòu)形式Prop, directional spool valve type PSL and PSV - basic design-帶換向閥塊/Valve sections with包括閥芯在內(nèi)

9、的基木閥塊/Basic block incL spool操縱方式/Actuation附加功能/Additional functions0具有附加功能的連接 塊/Connection block with additional functions終端板/ End plate性能和優(yōu)點 / Features and benefits閥組或板式安裝的結(jié)構(gòu)形式，三(二)種規(guī)格/Design as valve bank or manifold mounting, three fhvo) sizes 定址泵或變雖泵設(shè)計/Design far constant or variable displacemen

10、t pumps Pmax = 420 bar (6000 psi)Qnxxx a.b = 210 1/min (55.4 gpm), Qmax P = 350 l/min (95 gpm)可以集成各種不同的附加功能和元件/Various additional functions and elements may he integrated 一個連接塊報女可以集成(附加)12個換向藺/Max. 12 valve sections can be fed (added) by one connection blockSolutions for a World under PressureHYDRAU

11、LIK定量泵系統(tǒng)中三通流量調(diào)節(jié)閥的阻尼減振Dampening of 3-way flow regulator within constant pump systemsSolutions for a World under PressureHYDRAULIK定量泵系統(tǒng)中三通流量調(diào)節(jié)閥的阻尼減振Dampening of 3-way flow regulator within constant pump systemsSolutions for a World under PressureHYDRAULIK定量泵系統(tǒng)中三通流量調(diào)節(jié)閥的阻尼減振Dampening of 3-way flow regul

12、ator within constant pump systemsSolutions for a World under PressureHYDRAULIKSolutions for a World under PressureHYDRAULIKP LS R(A)»>9代碼K(間隙型節(jié)流閥的結(jié)構(gòu)形式, 具有獨芒于溫度的阻尼效果” Coding K (version with gap type throttle w ith rather temperature independent dampening effect)標(biāo)準(zhǔn)型(節(jié)流閥屛向閥和順序閥的組合”Serie (combin

13、ation restrictor, check valve and sequence valve)代碼G(單向節(jié)流閥”Coding G (restrictor check valve), increased throttling effect代碼Z(帶附加卸載閥的小向前流閥”Coding Z (restrictor check valve with additional unloading valve)Solutions for a World under PressureHYDRAULIK流量調(diào)節(jié)閥的阻尼減振IDampening of flow regulators /節(jié)流閥，爪向閥和預(yù)壓閥

14、的組合/Combination of throttle-, check and pre-load valve例:三通流址調(diào)節(jié)閥/Example: 3-way-flow regulator優(yōu)點 J Advantage: -結(jié)構(gòu)簡單JSimple design峽點/ Disadvantaged-阻尼一直到P小于P偵壓力（常數(shù)）/Dampening only up to ® < p 吹（"W丿-阻尼效果（川螺紋型節(jié)流閥）軸分取決于粘度（如：溫度）/Dampening effect （hy thread type throttle） partly depends on vis

15、cosity （means also temperature）阻尼作用的范圍/(PPr時間范圍/ Ranges：tn 壓力信號迅速地通過單向閥/Quick pressure signal via check valvet2 -引起振動的負拔小于20bar時的匚作范用（通過節(jié)流閥阻尼）/ Working range with load induced oscillations lower than 20 bar （dampened via throttle）t3 匸作結(jié)犯通過預(yù)斥閥快速卻壓=（P大于20bar）/End of work, quick discharging via pre-loa

16、d valve => 20 bar）14 -在終端位程時流繪調(diào)節(jié)閥的活塞通過節(jié)流閥阻尼/Dampening of the flow regulator piston movement in end position via throttle流量調(diào)節(jié)閥的阻尼減振II Dampening of flow regulators II節(jié)流閥，單向閥及快速卸壓閥的組合/LS斥力/LS-pressurel-r r-t if 百Combination of throttle and check valve as well as quick release valve例:三通流量調(diào)節(jié)閥/example:

17、 3-way-flow regulator優(yōu)點：I Advantaged-阻尼的效果(廣度)取決于絕對壓力級/Dampening effect (width) depends on the absolute pressure level-螺紋型節(jié)流閥具冇較商的阻尼效果/Higher dampening effect with thread type throttle缺點：/Disadvantaged-結(jié)構(gòu)復(fù)雜/Complex design阻尼效果(川螺紋型節(jié)流閥)部分取決于粘度(如：溫度” Dampening effect (by thread type throttle) depends p

18、artly on viscosity (i.e. temperature)阻尼作用的范圉/Range of dampening effectBereiche / Ranges：ti 壓力信號迅速通過譏向閥/Quick pressure signal via check valve12 -比值小于3負載振動的匸作范圍(I或11)(通過節(jié)流閥阻尼)/Working range (I or II) with load oscillations with a ratio < 3 (dampened via throttle)t3 匸作結(jié)束，通過快速卸壓閥壓力迅速下降./End of work,

19、quick pressure drop via quick release valve在變量泵系統(tǒng)中LS壓力信號的阻尼減振Dampening of LS-pressure signal within variable pump systemsSolutions for a World under PressureHYDRAULIKSolutions for a World under PressureHYDRAULIKLSP RLSP R代碼S(節(jié)流閥金向閥和順序閥的組合)/Coding S (combination restrictor, check valve and sequence v

20、alve)代碼B(LS信號油路中有0.8mm的節(jié)流孔)/Coding B (orifice 0,8mm inLS-signal line)LSP R標(biāo)準(zhǔn)型，無代碼(無阻尼元件)/Serie without coding(no dampening element)dj - 事Solutions for a World under PressureHYDRAULIK計雖彈簧(6bar/85psi)/二通流量調(diào)節(jié)閥的阻尼減振 Dampening of 2-way flow regulatoryZA 巳A B二通流量調(diào)節(jié)閥的阻尼減振Dampening of 2-way flow regulator標(biāo)準(zhǔn)

21、型(帶節(jié)流孔”Standard (with orifice)回彈阻尼(帶單向節(jié)流閥)/Rebound damping (with restrictor check valve)Solutions for a World under PressureHYDRAULIK換向閥閥芯特性的阻尼減振IIIDampening of oscillation via the spool characteristic I血積比 / area ratio= U計算./ calculation：z B：SL332H(QpJ/QpuXli Solutions for a World under PressureHYD

22、RAULIK換向閥閥芯特性的阻尼減振IIIDampening of oscillation via the spool characteristic 3Pa（b）-rSymbols J9 B, /?, O應(yīng)與平衡閥組合在閥芯1/3以上的行程時產(chǎn)生大約20Bar的背壓/ To he combined with over-center valves.Creation of a back pressure of approx 20 barat 1/3 and more spool liftSolutions for a World under PressureHYDRAULIK換向閥閥芯特性的阻尼減

23、振IIIDampening of oscillation via the spool characteristic 5Pa（b）-rSpools with Jlow code numbersi.e. 16-25/25-16.Herewith the flow code numberP->A and/or PtB is combined with a smaller one for A->R and/or B->R.Generally he combined with over-center valves to create acertain back pressure ove

24、r the complete stroke of the spool.Solutions for a World under PressureHYDRAULIK換向閥閥芯特性的阻尼減振IIIDampening of oscillation via the spool characteristic 7Pa（b）-rSymbols I, Y, Z與馬達（面積比1:1）組合時在換向閥閥芯1/3以上的行程時產(chǎn)生大約 lOObar的背壓/To be combined with motors （area ratio 1:1）.Creation of a back pressure of approx 10

25、0 barfor up to 1/3 spool lift.Solutions for a World under PressureHYDRAULIK借助于換向閥閥芯特性的振動阻尼VDampening of oscillation via the spool characteristic #Solutions for a World under PressureHYDRAULIK借助于換向閥閥芯特性的振動阻尼VDampening of oscillation via the spool characteristic #Symbols Pt A, Q、K, TSolutions for a Wo

26、rld under PressureHYDRAULIK借助于換向閥閥芯特性的振動阻尼VDampening of oscillation via the spool characteristic #Solutions for a World under PressureHYDRAULIK借助于換向閥閥芯特性的振動阻尼VDampening of oscillation via the spool characteristic #具有正遽蓋的換向閥閥芯(也施是當(dāng)閥芯換向時PA(B)先接通B(A)_R后接通：機能符號P應(yīng)當(dāng)與馬達(面積比1:1)組合機能符號A.QK.T應(yīng)巴與雙作用液壓缸(面積比1:1)

27、組合.短期的預(yù)加載町以防止下降振動和真空運轉(zhuǎn)/Spools with positive overleave (i.e. during elevation of the spool the connection Pisopened before of connection B(A) TR):Symbol P to be combined with motors (area ratio 1:1).Symbols At Q, K, T to be combined with double acting cylinders (area ratio # ：)A short-term preloadin

28、prevents lowering jolts " and. running empty "Solutions for a World under PressureHYDRAULIKHYDRAULIC SYSTEM32H 63/25 F3/AAPSL 41/250-3-ZA32L 40/40 C200/ABA32L 25/63 A100F1/EA BAB-H FIr丄一= =F = =Solutions for a World under PressureHYDRAULIKSolutions for a World under PressureHYDRAULIK消防車-19

29、99Solutions for a World under PressureHYDRAULIK.4.Solutions for a World under PressureHYDRAULIKSKS-1979Starting block pSolutions for a World under PressureHYDRAULIKSolutions for a World under PressureHYDRAULIKSK-1968Solutions for a World under PressureHYDRAULIKSolutions for a World under PressureHYD

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