HONGYI弘一PV2R12 PV2R13 PV2R31 PV2R11 PV2R21雙聯(lián)高壓葉片泵32
PV11R10，PV11R20
PV2PV2R1-10-F-RAA-43，PV2PV2R1-12-F-RAA-43，PV2PV2R1-14-F-RAA-43，PV2PV2R1-14-F-RAR-43，PV2PV2R1-17-F-RAA-43，PV2PV2R1-19-F-RAA-43，PV2PV2R1-23-F-RAA-43，PV2PV2R1-25-F-RAA-43，PV2PV2R1-31-F-RAA-43，PV2PV2R1-31-L-RAA-43，PV2PV2R1-6-F-RAA-43，PV2PV2R1-8-F-RAA-43，PV2PV2R2-33-F-RAA-41，PV2PV2R2-41-F-RAA-41，PV2PV2R2-47-F-RAA-41，PV2PV2R2-53-F-RAA-41，PV2PV2R2-59-F-RAA-41，PV2PV2R2-65-F-RAA-41，PV2PV2R2-65-F-RAL-41，PV2PV2R2-75-F-RAA-4103，PV2PV2R3-116-F-RAA-31，PV2PV2R3-116-F-RLB-31，PV2PV2R3-76-F-RAA-31，PV2PV2R3-94-F-RLB-31，PV2PV2R4-184-F-RAAA-30，pv2r1-10，pv2r1-10-f-raa-40，PV2R1-10-F-RAA-41，pv2r1-10-f-raa-4222，pv2r1-10-f-raa-43，PV2R1-12-FR，PV2R1-12-F-RAA-41，PV2R1-12-F-RAA-43，pv2r1-12-f-rar-41，pv2r1-14-f-r，PV2R1-14-F-RAA-41，PV2R1-14-F-RAA-43，PV2R1-14-F-RAR-43，pv2r1-17，PV2R1-17-F-RAA-41，PV2R1-17-F-RAA-43，pv2r1-17-f-ral-41，pv2r1-17-l-raa-41，PV2R1-19-F-RAA-41，PV2R1-19-F-RAA-43，PV2R12-10-41-F-REAA-43，PV2R12-12-26-F-REAA-43，PV2R12-12-26-F-REAR-42，PV2R12-12-53-F-RELA-43，PV2R12-14-53-F-REAA-43，PV2R12-14-53-F-RFAR-43，PV2R12-19-41-F-REAA-43，PV2R12-19-65-F-REAA-43，PV2R12-23-59-F-REAA-43，PV2R12-25-33-F-REAA-43，PV2R12-25-47-F-REAA-43，PV2R12-25-59-F-REAA-43，pv2r1-23，PV2R12-31-33-F-REAA-43，PV2R12-31-33-F-REAR-4326，PV2R12-31-59-F-REAA-43，PV2R12-31-65-F-REAA-43，pv2r1-23-f-raa-41，PV2R1-23-F-RAA-43，pv2r1-25-f-raa，PV2R1-25-F-RAA-41，PV2R1-25-F-RAA-43，pv2r1-25-l-raa-41，PV2R12-6-59-F-REAA-43，PV2R12-6-65-F-REAA-43，PV2R12-8-33-F-RFAR-43，pv2r1-28-f-raa-41，pv2r1-31，PV2R13-10-116-F-REAA-43，PV2R1-31-F-RAA41，pv2r1-31-f-raa-41，PV2R1-31-F-RAA-43，pv2r1-31-f-rab-41，PV2R1-31-L-RAA-43，pv2r1-6-f-raa，pv2r1-6-f-raa-40，PV2R1-6-F-RAA-41，pv2r1-6-f-raa-4222，PV2R1-6-F-RAA-43，pv2r1-6-l-raa-41，pv2r1-8，pv2r1-8-f-raa-41，PV2R1-8-F-RAA-43，PV2R2-，pv2r2-26，pv2r2-26-f-raa，pv2r2-26-f-raa-41，pv2r2-33，pv2r2-33-f-r，pv2r2-33-f-raa-41，pv2r2-33-f-rar-41，PV2R23-41-116-F-RAAA-41，PV2R23-41-94-F-REAA-41，pv2r2-41-f-raa，pv2r2-41-f-raa-40，PV2R2-41-F-RAA-41，pv2r2-41-l-raa-41，PV2R24-33-136-F-REAA-31，pv2r2-47，pv2r2-47-f-r，PV2R2-47-F-RAA-41，PV2R24A-41-FRAAA-10，pv2r2-53-f-r，PV2R2-53-F-RAA-41，PV2R2-59-F-RAA-41，pv2r2-59-f-rab-41，pv2r2-65，PV2R2-65-F-RAA-41，pv2r2-65-f-raa-4118，PV2R2-65-F-RAL-41，PV2R2-75-F-RAA-4103，PV2R3，pv2r3-116-f-raa-31，PV2R3-116-F-RLB-31，pv2r3-116-l-raa-31，pv2r3-116-l-rab-31，pv2r3-125-f-raa-31，PV2R3-136-F-RAA-31，PV2R34-116-153-L-REAA-31，pv2r34-116-237，PV2R34A-76-FRAAA-10，pv2r3-52，pv2r3-52-f-raa-31，pv2r3-52-l-raa-31，pv2r3-60-f-raa-31，pv2r3-66-l-raa-31，pv2r3-76，PV2R3-76-F-RAA-31，pv2r3-76-l-raa-31，pv2r3-85-f-raa-31，PV2R3-94-F-RAA-31，PV2R3-94-F-RLB-31，pv2r3-94-l-raa-31，PV2R4-136-F-RAA-30，PV2R4-153F-RAA-30，pv2r4-153-f-raa-30，PV2R4-184F-RAA-30，pv2r4-184-f-raa-30，PV2R4-184-F-RAAA-30，pv2r4-184-f-ral-30，pv2r4-184-l-raa-30，pv2r4-184-l-ral-30，PV2R4-200F-RAA-30，pv2r4-200-f-raa-30，pv2r4-200-l-raa-30，pv2r4-237，PV2R4-237F-RAA-30，pv2r4-237-f-raa-30，pv2r4-237-f-ral-30，PV2R4A-138-FRAA-10，PV2R4A-162-FRAA-10，PV2R4A-193-FRAA-10，PV2RPV2R12-10-41-F-REAA-43，PV2RPV2R12-12-26-F-REAA-43，PV2RPV2R12-12-26-F-REAR-42，PV2RPV2R12-12-53-F-RELA-43，PV2RPV2R12-14-53-F-REAA-43，PV2RPV2R12-14-53-F-RFAR-43，PV2RPV2R12-19-41-F-REAA-43，PV2RPV2R12-19-65-F-REAA-43，PV2RPV2R12-23-59-F-REAA-43，PV2RPV2R12-25-33-F-REAA-43，PV2RPV2R12-25-47-F-REAA-43，PV2RPV2R12-25-59-F-REAA-43，PV2RPV2R12-31-33-F-REAA-43，PV2RPV2R12-31-59-F-REAA-43，PV2RPV2R12-31-65-F-REAA-43，PV2RPV2R12-6-59-F-REAA-43，PV2RPV2R12-6-65-F-REAA-43，PV2RPV2R12-8-33-F-RFAR-43，PV2RPV2R13-10-116-F-REAA-43，PV2RPV2R23-41-116-F-RAAA-41，PV2RPV2R23-41-94-F-REAA-41，PV2RPV2R24-33-136-F-REAA-31，PV2RPV2R34-116-153-L-REAA-31
YBE-8，YBE-16，YBE-25，YBE-32，YBE-40，YBE-50，YBE-63，YBE-80，YBE-100，YBE-125，YBE-160，YBE-200
2520V15A6-1AB22R，2520V14A2-1AC22R，2520V14A3-1AB22R，2520V14A3-1AD22R，2520V14A4-1AC22R，2520V14A5-1AB22R，2520V14A8-1AD22R，2520V14A9-1AC22R，2520V15A10-1AC22R，2520V14A12-1AC22R，2520V14A14-1AB22R，2520V14A14-1AD22R，2520V10A9-1AB22R，4535VQ60A35-1BB22R，4535VQ60A25-86DB22R，4535VQ50A35-1BB22R，4535VQ60A25-86DA22R，2520V12A12-1AB22R，2520V10A8-1AB22R，2520V10A8-1AD22R，2520V10A7-1AD22R，2520V10A9-1AC22R，45VQ60A-1D22L，2520V10A10-1AB22R，2520V10A14-1AC22R，2520V10A2-1AB22R，2520V10A12-1AB22R，2520V10A12-1AD22R
4535VQ66A38-86AA22R
45VQ42A-86B22R，45VQ42A-86A22R，2520V10A10-1AC22R，45VQ60A-1C22L
2520V12A7-1AC22R，2520V12A6-1AD22R，2520V12A7-1AB22R，2520V12A9-1AB22R，2520V12A8-1AB22R，2520V12A9-1AD22R，2520V12A3-1AB22R，2520V12A2-1AB22R，2520V14A11-1AD22R，2520V14A11-1AB22R，2520V14A10-1AC22R，2520V10A4-1AB22R，2520V10A4-1AC22R，2520V12A10-1AD22R，2520V12A12-1AD22R，2520V12A11-1AB22R，2520V10A7-1AC22R，2520V10A6-1AB22R，2520V10A5-1AB22R，2520V10A2-1AC22R，2520V10A6-1AD22R
4520VQ45A5-1BB22R，4520VQ42A12-86DD22R，4520VQ50A11-1CC22R
35VQ30A-1D22R，4520VQ42A11-1AB22R，35VQ38A-1A22L，3525VQ38A21-86BB22R，35VQ25A-1B22R
3525VQ38A17-1AA22R，3525VQ35A14-1CC22R，3525VQ38A14-11AA22R
3520VQ35A8-86AA22L，3525VQ25A12-1CB22R，3525VQ-25A-10-1C22R，3520VQ30A8-1CC22R，3520VQ38A14-1AA22R，3520VQ30A8-1AA22R，3520VQ30A14-1AA22R，3520VQ35A14-1BB22R，3520VQ30A11-1BB22R，3520VQ-38A-5-1C22R，3520VQ30A5-1DC22R
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4520V-60A-11-1C22R，4520V50A12-1AA22R，4520V50A11-1CC22R，4520V42A12-86DD22R，4520V42A12-1CC22R，4520V60A14-1CC22R，4520V60A11-1AD22R，4525V60A21-1DA22R，4525V60A21-1AA22R，4525VQ-50A14，4525VQ-50A21，4525VQ-42A21，4525VQ-42A12，4535V50A30-86BB22R，4535V50A30-86AA22R，4535V50A30-86CC22R，4535V50A30-86DA22R，4535V50A35-1BB22R，4535V50A35-86CD22R，4535V50A38-1AA22R，4535V50A38-1AC22R，4535V42A30-1DD22R，4535V42A35-86AA22R，4535V50A-25-1C22R，4535V42A38-86DD22R，4535V50A25-1AA22R，4535V50A25-1DB22R，4535V50A25-86DD22R，4525V60A12-1DD22R，4525V60A17-1AA22R，4525V42A21-86DD22R，4525V50A-10-1C22R，4525V42A21-1DA22R，4525V42A21-1BD22R，4525V50A-12-1C22R，4525V50A-17-1C22R，4525V50A17-1DD22R，4525V50A17-1AA22R，4535V42A-25-1C22R，4525V50A14-1AA22R，4525VQ-60A21，4525VQ-60A14，4535V-45A-25-1C22R，4535V42A25-1AD22R，4535V42A25-86AA22R，4535V42A25-1CC22R，4525V60A21-1DD22L，4535V42A-30-1C22R，4535V60A351BA22R，4535V60A38-1AA22R，4535VQ50A30-1DD20，4535V60A38-1AD22R，4535V60A38-1AB22R，4535V60A38-1BA22R，4535V66A38-86DD20-260，4535V60A38-86BB22R，4535VQ-42A35，4535VQ-50A25，4535VQ-42A25，45V42A-86D22R，45V42A-1B22R，45V42A-1D22R，4535V60A38-86CC22R，45V42A-86B22R，4535VQ-50A38，4535VQ-60A30，45VQ-50A，4535VQ-60A35，4535VQ60A38-219CC20，4535VQ-50A35，4535V60A30-1CC22R，4535V60A30-86AA22R，4535V60A30-1BB22R，4535V50A30-1AA22R，4535V50A25-86BB22R，4535V60A-25-1C22R，4535V60A35-86BA22R，4535V60A35-86AA22R，4535V60A30-86CC22R，4535V60A35-1AA22R，4535V60A25-86BD22R，4535V60A25-86AA22R，4535V60A25-86DA22R，4535V60A25-1DA22R，4535V50AM30-86AA22R，4535V50A38-1DA22R，4535V60A38-1BB22R，4535V60A38-86AA22R，4535V60A38-86BA22R，4535V60A38-1DD22R，4535V60A25-1AA-22R
液壓油泵概述
一．液壓泵的壓力
液壓泵的壓力參數(shù)主要指工作壓力和額定壓力。
(1)工作壓力p。 液壓泵的工作壓力是指泵工作時輸出液體的實際壓力。其大小是由外負載決定的，當負載增加時，液壓泵的工作壓力升高；當負載減小時，液壓泵的工作壓力下降。
(2)額定壓力pn。 液壓泵的額定壓力是指泵在正常工作時允許達到的最大工作壓力。正常工作時不允許超過液壓泵的額定壓力，超過此值即為過載；液壓泵的最大工作壓力受泵零件結(jié)構(gòu)強度和泄漏程度的限制。
由于液壓傳動的用途不同，系統(tǒng)所需要的壓力也不同，為了便于液壓元件的設計、生產(chǎn)和使用，將壓力分為以下幾個等級，如下表所示。
壓力分級
壓力分級
| 壓力等級 | 低壓 | 中壓 | 中高壓 | 高壓 | 超高壓 |
| 壓力P(MPa） | ≦2.5 | 2.5～8 | 8～16 | 16～32 | ≧32 |
二．液壓泵的排量
液壓泵的排量是指按泵軸每轉(zhuǎn)一周，由密封腔幾何尺寸變化計算而得出的排出液體的體積。排量可以用V來表示。排量的單位為L/r或mL/r。
三．液壓泵的流量
液壓泵的流量有理論流量、實際流量和額定流量之分。
(1)理論流量qt。液壓泵的理論流量是指泵在單位時間內(nèi)由密封腔幾何尺寸變化計算而得出的排出液體的體積。理論流量用qt表示，它與液壓泵的工作壓力無關(guān)，它等于泵的排量V與其轉(zhuǎn)速n的乘積，即
qt=V×n （1-1）
(2)實際流量q。液壓泵的實際流量是指泵工作時實際輸出的流量，可以用q來表示。由于液壓泵存在泄漏問題，所以其實際流量總是小于理論流量。若泄漏量 為△q，則有
q = qt-△q (1-2)
(3)額定流量qn。液壓泵的額定流量是指泵在正常工作條件下，試驗標準規(guī)定必須保證的輸出流量。
四．液壓泵的功率
液壓泵輸入的是原動機的機械能，表現(xiàn)為轉(zhuǎn)矩T和轉(zhuǎn)速n；其輸出的是液體壓力能，表現(xiàn)為壓力p和流量q(qt - △p)。當用液壓泵輸出的壓力能驅(qū)動液壓缸克服負載阻力F，并以速度v作勻速運動時（若不考慮能量損失），則液壓泵和液壓缸的理論功率相等，即
Pt-Tt2πn=Fv=pAv=pVn=pqt (1-3)
于是Tt=pV/2π (1-4)
式中n——液壓泵的轉(zhuǎn)速；
Tt——驅(qū)動液壓泵的理論轉(zhuǎn)矩；
p——液壓泵的工作壓力；
V——液壓泵的排量；
A——液壓缸的有效工作面積。
如果用驅(qū)動液壓泵的實際轉(zhuǎn)矩T代替式中理論轉(zhuǎn)矩Tt，則可得到液壓泵的實際輸A功率P；用液壓泵的實際流量q代替式中理論流量qt，可以得到液壓泵的實際輸出功率P0。
(1)泵的輸入功率Pi
Pi = T2πn (1-5)
(2)泵的輸出功率P0
P0 = pq/60 (1-6)
五．液壓泵的效率
液壓泵的輸出功率總是小于輸入功率，兩者之差即為功率損失。功率損失又可分為容積損失（泄漏造成的流量損失）和機械損失（摩擦造成的轉(zhuǎn)矩損失）。
通常容積損失用容積效率ηv來表示，機械損失用機械效率ηm來表示。
容積效率是指液壓泵的實際流量與理論流量比值，即
ηv=q/qt (1-7)
液壓泵的泄漏量隨壓力升高而增大，相應其容積效率也隨壓力升高而降低。機械效率是指驅(qū)動液壓泵的理論轉(zhuǎn)矩與實際轉(zhuǎn)矩的比值，即
ηm=Tt/T (1-8)
由于Tt = pV/2π，代人式(1-8)中，則有
ηm=pV/2πT (1-9)
液壓泵的總效率η為其實際輸出的功率P0和實際輸入功率的比值,即
η=P0/Pi=pq/2πnT=(pVn/2πnT)(q/Vn)= ηmηv (1-10)
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