泵PVQ25AR-10-AV-6-G-1

时间:2021-06-10 00:24:00

泵PVQ25AR-10-AV-6-G-14iv3
泵PVQ25AR-10-AV-6-G-1

泵PVQ25AR-10-AV-6-G-1
        将会引起共振,可改变泵的转速以消除共振。泵的输出压力是由负载决定的,与输入转矩似成正比。输出压力异常有两种故障。柱塞泵的维护4.输出压力异常(1)输出压力过低6.液压泵过热(6)铸铁泵壳有砂眼或焊接不良。若回路负载持续上升,泵的压力也持续上升,当属正常。若负载一定,泵的压力超过负载所需压力值,则应检查泵以外的液压元件,如方向阀、压力阀、传动装置和回油管道。若压力过高,应调整溢流阀。柱塞泵漏油主要有以下原因:输出流量波动与很多因素有关。对变量泵可以认为是变量机构的控制不佳造成,如异物进入变量机构,在控制活塞上划出阶痕、磨痕、伤痕等,造成控制活塞运动不稳定。由于放大器能量不足或零件损坏、含有弹簧的控制活塞的阻尼器效。 另一方面配油盘和缸体间的油膜压力形成对缸体的液压反推力使缸体背离配油盘,缸体对配油盘的设计液压压紧力Fn略大于配油盘对缸体的液压反推力Ff,即Fn/Ff=1.05~1.1,使泵工作正常并保持较高的容积效率。

泵PVQ25AR-10-AV-6-G-1

A2FO23/61R-VBB05 A2FO23/61L-VBB05

A4VS0180DR/22R-PPB13N00 ,

R902108236 A11VO75EP2/10L-NPD12N00H

R902401366 A A10V O 45 DFR1/31R-PSC62N00 -SO 52 814232121 1,639.00

R902021568 A7VO160LRDS/63L-NPB01-S

A6VM80DA2/63W-VZB020B 9604021力士乐Rexroth

R902054142 A6VM107HA1R1/63W-VZB027HA

R902054998 A6VM107EP2/63W-VZB017FTB-S

R902065694 A6VE80EP1/63W-VAL027FHA-SK

R902027151 A8VO107SR3Z/61R1-NZG05F021-K

R902094310 A4VG125EP2D1/32R-NSF02F001LP

R902096889 A6VM107EPX/63W-VZB017XB-S

R902034974 A11VLO190LRD/11R-NZD12K01-SK

R902031809 A6VE107HD1/63W-VZL010B

R902075611 A11VO130LRD/10R-NPD12N00V *AL*

R902036074 A11VLO190LRS/11R-NZG12K02-K *AL*

A4VG90HWDL1/32R-NAF02F071S-S + REXROTH力士乐     

R902080262 A11VO95LRDU2/10+A11VO75LRDU2/10

R902099719 A11VO95DRS/10R-NXX62K02-S

R902016638 A7VO55LRG/63R-NPB01

R902048512 A11VLO260HD2/11R-NPD12N00

R902004936 A11VO130LRG/10R-NPD12N00

R902063471 A11VO190LRU2/11R-NZD12N00H-S

R902027948 A11VLO190LRDS/11L-NSD12N00-S

R902033619 A11VO40LRD/10R-NPC12K01-K

R902035431 A6VM107HA1U2/63W-VZB010A

A2FM45/61W-VZB100 REXROTH力士乐     

R902085507 A4VG125HWD1/32R-NZF02F071D-S

A2FO28/61R-PBB05 A2FO28/61L-PBB05

A2FM90/61W-VUDND27-S(混泥土搅拌机、固井车等等液压设备)

泵PVQ25AR-10-AV-6-G-1

泵PVQ25AR-10-AV-6-G-1
        斜盘将柱塞从缸体中拉出或推回,完成吸排油过程。柱塞与缸孔组成的工作容腔中的油液通过配油盘分别与泵的吸、排油腔相通。变量机构用来改变斜盘的倾角,通过调节斜盘的倾角可改变泵的排量。5.振动和噪声柱塞向上供油,当上行到柱塞上的斜槽(停供边)与套筒上的回油孔相通时,泵油室低压油路便与柱塞头部的中孔和径向孔及斜槽沟通,油压骤然下降,出油阀在弹簧力的作用下迅速关闭,停止供油。此后柱塞还要上行,当凸轮的凸起部分转过去后,在弹簧的作用下,柱塞又下行。此时便开始了下一个循环。柱塞泵以一个柱塞为原理介绍,一个柱塞泵上有两个单向阀,并且方向相反,柱塞向一个方向运动时缸内出现负压,这时一个单向阀打开液体被吸入缸内,柱塞向另一个方向运。 充满在油泵上体油道内的柴油经油孔进入泵油室,柱塞运动到下止点,进油结束,如泵轴和电机轴不同心或顶死,旋转轴的轴承,联轴节损伤,弹性垫破损和装配螺栓松动均会产生噪声,对于高速运转或传输大能量的泵,要定期检查。

R902103643 A11VO260DRS+A11VO190DRS

R902064080 A4VG71EZ2DM1/32L-NAF02F011SH

R902099417 A6VE160HD1/63W-VZL027FB-S

R900770527 ABHPG-PV7/10-14C0/112M-4-B0/J

R902015261 A11VLO260LRH2/11R-NPD12N00

R902092439 A6VE107HD1/63W-VZL027FB-ESK

R902063473 A11VO190LRU2/11R-NZD12K01H-S

R909606037 A11VO130LG1DS/10R-NZD12K02

R902064959 A11VO260EP2G/11R-NPD12N00 *G*

PGF2-2X/ 013 RS20VU2 PGF2-2X/ 016 RS20VU2

A2FM107/61W-VZB027 + HDD1L16/10 REXROTH力士乐     

R902066967 A11VO260HD2G+A11VO190HD2G

R902047345 A6VM107HA1U2X/63W-VZB017A-S

A2FO28/61L-PAB05 REXROTH力士乐     

R902047458 A8VO107SRZ/61R1-NZG05F041-K

R902089188 A11VLO260LE4D/11R-VZD12K81H-S

R902075530 A4VG125DA2/32+A11VO95DRG/10

力士乐Rexroth A10VSO71DFLR/32R-PPB22U99

R902430098 AA7VO250EP2G/63R-VPB02

力士乐Rexroth A10VSO100DRS/32R-PPB22U99

2FRE 6 A-2X/2QEK4RV

A2FO355/60R-VPH11 A2FO355/60L-VPH11

R909607747 A11VO75LRG/10R-NPD12K02-K

A10VSO28DFR/31R-PPA12N00 REXROTH力士乐     

R902113073 A4VG71EP4DM1/32R-NZF02F001DH-S

R910936062 AA10VSO28DFLR/31R-PPA12N00

R910948599 DRIVESHAFTA10VSO100N+VERPACKUNG

2FRE 6 B-2X/6QK4MV

R902104825 A4VG125EP2D1/32L-NTF02F071SP

A10VS0100DR/31R-VPA12N00

R909600058 A11VO130DRS/10R-NZD12N00

R902087877 A11VLO260LRDU2/11R-NZD12K02T

R909438868 A8VO80SR3/60R1-PZG05K30

R902090837 A4VG125EP2D1/32L-NAF02FXX1PH-S

R902063447 A11VO95LRDU2/10R-NPD12N00H-S

R902073435 A11VO260DRL+A11VO130DRL

R902064835 A11VLO260LRH1+A11VO190LR

A10VSO100DR/31R-PPA12K01

R902079120 A11VO190LRD/11R-NPD12K04

R902113025 A4VG71EP4DT2/32R-NSF02F021SH

R902074053 A4VG71DA1D8/32R-NZF02F021SH-S

R902075783 A11VO260LRD/11R-NSD12K02 *AL*

R909428655 A8VO80SRH1/60R1-PZG05K02

A4VSO750DR/10R-PPB13N00

A10VSO71DFR1/31R-PSA12KB5 REXROTH力士乐     

R902401166 A A10V O 45 DFR1/52R-PRC62K68 814232121 1,609.00

R902061496 A4VG125EP2D8/32R-NSF02F021PH

R902085865 A4VG125NVDTM1/32L-NAF02K021E-S

R902090707 A11VO190LRDH2+A11VO190LRDH2

R902089927 A11VO260LRDS+A11VO190LRDS

A2FE125/61W-VAL100 REXROTH力士乐     

A2FO63/61R-VAB05 A2FO63/61L-VAB05

R902024479 A11VLO260LG1DH2/11L-NZD12N00

R902062731 A11VO75EP2G/10R-NZD12N00H-S

泵PVQ25AR-10-AV-6-G-1

泵PVQ25AR-10-AV-6-G-1
        当凸轮轴转到凸轮的凸起部分顶起滚轮体时,柱塞弹簧被压缩,柱塞向上运动,燃油受压,一部分燃油经油孔流回喷油泵上体油腔。当柱塞顶面遮住套筒上进油孔的上缘时,由于柱塞和套筒的配合间隙很小(0.0015-0.0025mm)使柱塞顶部的泵油室成为一个密封油腔,柱塞继续上升,泵油室内的油压迅速升高,泵油压力>出油阀弹簧力+高压油管剩余压力时,推开出油阀,高压柴油经出油阀进入高压油管,通过喷油器喷入燃烧室。(3)倾斜盘倾角太小,泵的排量少,这需要调节变量活塞,增加斜盘倾角。进油管道太细、进油滤油器通流能力过小或堵塞、进油管吸入空气、油液豁度过高、油面过低吸油不足和高压管道中产生液击等,均会产生噪声。因此,必须正确设计。 往复运动,其吸入和排出阀都是单向阀,当柱塞外拉时,工作室内压力降低,出口阀关闭,低于进口压力时,进口阀打开,液体进入,柱塞内推时,工作室压力升高,进口阀关闭,高于出口压力时,出口阀打开,液体排出,4.输出压力异常进油过程当凸轮轴转到凸轮的凸起部分顶起滚轮体时。

R902005909 A11VO130LRDS/10L-NSD12K01

R902094381 A11VO190DRS/11L-NZD12K84-S

A2FM80/61W-VBB010 9610666力士乐

A4VSO180DR/PPB-13NOO

R902101394 A8VO107LA1H2/63R1-NZG05F074-K *AL*

R902092454 A6VM107HA1U2/63W-VAB027HA-ES

R902033376 A6VM80HA1T/63W-VZB380A-K

2FRE 6 A-2X/1LK4RV

R902078932 A6VM55DA2/63W-VSB020CB-S

A6VM55HA1/63W-VZB020A 9604223

R902073879 A6VE80EP1/63W-VAL527FTA-S

R902067569 A6VM107HA1T/63W-VSB017A

A4VSG250HD3D/30R-PPB10N009NE

A2FO107/61R-PAB05 9423259

R902011873 A7VO160DRS/63R-NZB01

R902112375 A4VG71EP4D1/32L-NTF02F011SH-S

R902074990 A4VG125EP1D1/32R-NXF02F011SH-S

R902062632 A11VO40LRDH1/10R-NSC12K04

R902097839 A11VLO190LRDS/11R-NTD12K82-S

R910999606 AA7VO250LRDH1/63L-VPB02

R902088830 A6VM55XXXR2/63W-VSB017CA-S

R902055346 A4VG71DA1D7/32R-NZF02F021SH

R902058476 A4VG125EP2D1/32R-NZF02F003DH

A11VLO190LRDU2/11R-NZD12K84 + REXROTH力士乐     

R902096720 A8VO107LA0K/63R1-NZG05F041

R902401026 A AA10VSO 45 DR /31R-PKC62KA3 814232421 1,959.00

A10VSO100DFLR/31R-VPA12N00

R902057890 A4VG125EP2D1/32R-NZX02F001SH-S

R902078848 A8VO107LA1KH3/63R1-NZG05F004

R909606055 A11VO95LRU2/10R-NPD12N00 * *G*

泵PVQ25AR-10-AV-6-G-1


        完成吸排油过程。柱塞与缸孔组成的工作容腔中的油液通过配油盘分别与泵的吸、排油腔相通。变量机构用来改变斜盘的倾角,通过调节斜盘的倾角可改变泵的排量。实际上,由于油液的污染,往往使配油盘与缸体之间产生轻微磨损。是高压时,即使轻微的磨损也可以使液压反推力Ff增大,从而破坏Fn柱塞泵工作原理如泵轴和电机轴不同心或顶死,旋转轴的轴承、联轴节损伤,弹性垫破损和装配螺栓松动均会产生噪声。对于高速运转或传输大能量的泵,要定期检查,记录各部件的振幅、频率和噪声。如泵的转动频率与压力阀的固有频率相同时,将会引起共振,可改变泵的转速以消除共振。常见故障及故障原因:5.振动和噪声进油过程(2)输出压力过高(5)变量调节机构螺栓。泵PVQ25AR-10-AV-6-G-1 这需要找出漏气处,紧固,更换密封件,即可提高压力,溢流阀有故障或调整压力低,系统压力也上不去,应重新调整压力或检修溢流阀,如果液压泵的缸体与配流盘产生偏差造成大量泄漏,严重时,缸体可能破裂,则应重新研磨配合面或更换液压泵。PVQ25AR-10-AV-6-G-1泵

R902014488 A6VM28HZ1/63W-VAB010B

R901049543 ABHAG-0160S40/A10VSO28/132M/S/010F780A

A10VG18EP21/10L-NSC16F025S + REXROTH力士乐     

R909610395 A7VO107HD1/63R-NZB01

R902101245 A7VO55LRDU/63R-NZB01

R902096959 A6VE28HZ1/63W-VAL020FB-SK

R902031167 A4VG125EP2DT2/32L-NZX02F001S-S *G*

R902113075 A4VG71EP4D1/32R-XSF02N00XEH-S

R902060305 A8VO107SG2Z/61R1-NZG05F071-K

R902071680 A11VO260LRS/11R-NPD12K86

R902071511 A11VLO260EP2D/11L-NZD12K67H

R902031020 A11VLO260DRG/11L-NZD12K02

R902043818 A8VO55LA1H2/61R1-NZG05K800-K

R902003874 A11VO130LRDH2/10R-NPD12K01

  A11VLO260EP2/11R-NPD12K02

R902006529 A6VM107HA1U2/63W-VAB027A-S

A11VO60EP2D/10R-NSC12N00H-S REXROTH力士乐     

R902086557 A6VE80HZ3/63W-VAL027FB-S

R902043742 A8VO80SRZ/61R1-NZG05K000

R902063128 A11VO260LRDS/11R-NPD12N00

FTS888