0510525009 AZPF-1X-011RCB20MB

0510525009 AZPF-1X-011RCB20MB

产品简介:

齿轮泵是依靠泵缸与啮合齿轮间所形成的工作容积变化和移动来输送液体或使之增压的回转泵。由两个齿轮、泵体与前后盖组成两个封闭空间,当齿轮转动时,齿轮脱开侧的空间的体积从小变大,形成真空,将液体吸入,齿轮啮合侧的空间的体积从大变小,而将液体挤入管路中去。吸入腔与排出腔是靠两个齿轮的啮合线来隔开的。齿轮泵的排出口的压力完全取决于泵出口处阻力的大小。

力士乐液压部分系列型号:

R902453952 AA10VO45DFR/52L-VUC13N00-SO481
R902419826 AA10VO45DFR/52L-VWC11N00
R902453066 AA10VO45DFR/52L-VWC12N00
R902428334 AA10VO45DFR/52R-PKC12G60
R902400110 AA10VO45DFR/52R-PKC61N00
R910976282 AA10VO45DFR/52R-PKC64N00
R902542593 AA10VO45DFR/52R-PKC64N00
R902401054 AA10VO45DFR/52R-PKC64N00-SO97
R902406004 AA10VO45DFR/52R-PRC62K04
R902406662 AA10VO45DFR/52R-PRC62K68
R902501010 AA10VO45DFR/52R-PRC62K68-SO854
R910983819 AA10VO45DFR/52R-PSC11N00
R902427151 AA10VO45DFR/52R-PSC11N00-SO547
R902429541 AA10VO45DFR/52R-PSC12G50-SO547
R902432068 AA10VO45DFR/52R-PSC12G77
R902413391 AA10VO45DFR/52R-PSC12K01
R902415030 AA10VO45DFR/52R-PSC12K01-SO97
R902433519 AA10VO45DFR/52R-PSC12K01E
R902418635 AA10VO45DFR/52R-PSC12K04-SO547
R902411138 AA10VO45DFR/52R-PSC12K68
R910986132 AA10VO45DFR/52R-PSC12N00
R910999923 AA10VO45DFR/52R-PSC12N00-SO116
R910997054 AA10VO45DFR/52R-PSC12N00-SO547
R910998531 AA10VO45DFR/52R-PSC12N00-SO779
R910990157 AA10VO45DFR/52R-PSC61N00
R910992754 AA10VO45DFR/52R-PSC61N00-SO547
R902433687 AA10VO45DFR/52R-PSC62K02
R910985638 AA10VO45DFR/52R-PSC62K04
R902400109 AA10VO45DFR/52R-PSC62K68
R902400300 AA10VO45DFR/52R-PSC62N00
R902401252 AA10VO45DFR/52R-PSC62N00-SO97
R902406102 AA10VO45DFR/52R-PSC62N00-SO607
R910970014 AA10VO45DFR/52R-PSC64N00
R910978797 AA10VO45DFR/52R-PUC11N00
R902431634 AA10VO45DFR/52R-PUC12N00-S1137
R910986465 AA10VO45DFR/52R-PUC12N00-SO649
R910992522 AA10VO45DFR/52R-PUC61N00
R902400030 AA10VO45DFR/52R-PUC62K68
R902400003 AA10VO45DFR/52R-PUC62N00
R902401047 AA10VO45DFR/52R-PUC62N00-SO794
R910970025 AA10VO45DFR/52R-PUC64N00
R902534907 AA10VO45DFR/52R-PUC64N00
R902409443 AA10VO45DFR/52R-PUC64N00-S1137
R902402462 AA10VO45DFR/52R-PUC64N00-SO97
R902400042 AA10VO45DFR/52R-PUC64N00-SO481
R902401256 AA10VO45DFR/52R-PUC64N00-SO547
R902401001 AA10VO45DFR/52R-PUC64N00-SO794
R902400204 AA10VO45DFR/52R-PUC64N00-SO854
R902438994 AA10VO45DFR/52R-PUC64N00E
R902450826 AA10VO45DFR/52R-VKC11N00
R902406092 AA10VO45DFR/52R-VKC62K04-SO97
R902406858 AA10VO45DFR/52R-VRC62K04-SO607
R902416305 AA10VO45DFR/52R-VSC11N00
R902454862 AA10VO45DFR/52R-VSC12K01-S2153
R902453350 AA10VO45DFR/52R-VSC12K01-SO547
R902439346 AA10VO45DFR/52R-VSC12K68
R902463659 AA10VO45DFR/52R-VSC12N00
R902404875 AA10VO45DFR/52R-VSC12N00-S1097
R902407534 AA10VO45DFR/52R-VSC12N00-S1133
R902463309 AA10VO45DFR/52R-VSC12N00-S2436
R902437904 AA10VO45DFR/52R-VSC12N00-SO724
R910996343 AA10VO45DFR/52R-VSC12N00-SO905
R902400179 AA10VO45DFR/52R-VSC61N00
R902435955 AA10VO45DFR/52R-VSC62K01
R902400149 AA10VO45DFR/52R-VSC62N00
R902504660 AA10VO45DFR/52R-VSC62N00*GO2*
R902406093 AA10VO45DFR/52R-VSC62N00-SO97
R902401405 AA10VO45DFR/52R-VSC64N00
R910987738 AA10VO45DFR/52R-VUC11N00-SO607
R910987560 AA10VO45DFR/52R-VUC12N00
R902401118 AA10VO45DFR/52R-VUC62N00
R902504662 AA10VO45DFR/52R-VUC62N00*GO2*
R902453415 AA10VO45DFR/52R-VUC64N00-S1137
R902429226 AA10VO45DFR/52R-VUC64N00-S1195
R902418703 AA10VO45DFR/52R-VWC11N00
R902550698 AA10VO45DFR/52R-VWC12K01
R902504663 AA10VO45DFR1/52R-VSC62N00*GO2*
R902433460 AA10VO45DFR1/*UNGUEL***00-S1791
R902539738 AA10VO45DFR1/50R-VWC12N00-SO627
R902417251 AA10VO45DFR1/52L-PCC11N00-S1352
R910986254 AA10VO45DFR1/52L-PCC12N00
R910984153 AA10VO45DFR1/52L-PKC64N00
R902406186 AA10VO45DFR1/52L-PKC64N00-SO381
R910974737 AA10VO45DFR1/52L-PRC12K04-SO407
R910995790 AA10VO45DFR1/52L-PRC12K04-SO702
R902406649 AA10VO45DFR1/52L-PRC61N00
R902427901 AA10VO45DFR1/52L-PRC62G80
R902400475 AA10VO45DFR1/52L-PRC62K04
R910972157 AA10VO45DFR1/52L-PSC11N00
R902415544 AA10VO45DFR1/52L-PSC11N00-S1313
R902429040 AA10VO45DFR1/52L-PSC11N00-S1683
R910974797 AA10VO45DFR1/52L-PSC11N00-SO407
R902407807 AA10VO45DFR1/52L-PSC11N00-SO547
R902411841 AA10VO45DFR1/52L-PSC11N00-SO702
R910985918 AA10VO45DFR1/52L-PSC11N00-SO717
R902414036 AA10VO45DFR1/52L-PSC11N00*UNGUEL***
R902429047 AA10VO45DFR1/52L-PSC12G60
R902444899 AA10VO45DFR1/52L-PSC12L40-SO413
R910979536 AA10VO45DFR1/52L-PSC12N00
R902406942 AA10VO45DFR1/52L-PSC12N00-S1702
R910996192 AA10VO45DFR1/52L-PSC12N00-SO547
R910996596 AA10VO45DFR1/52L-PSC12N00-SO694
R910985405 AA10VO45DFR1/52L-PSC12N00-SO702
R910998015 AA10VO45DFR1/52L-PSC12N00-SO937
R902435318 AA10VO45DFR1/52L-PSC12N00E
R910983571 AA10VO45DFR1/52L-PSC61N00
R902400262 AA10VO45DFR1/52L-PSC62K01
R902428214 AA10VO45DFR1/52L-PSC62K52-S1658
R902406708 AA10VO45DFR1/52L-PSC62K68-SO547
R902437894 AA10VO45DFR1/52L-PSC62N00
R902400341 AA10VO45DFR1/52L-PSC62N00
R902400383 AA10VO45DFR1/52L-PSC62N00*UNGUEL***
R910966170 AA10VO45DFR1/52L-PSC64N00
R910978580 AA10VO45DFR1/52L-PSC64N00-SO97
R902428397 AA10VO45DFR1/52L-PSC64N00-SO547
R910975945 AA10VO45DFR1/52L-PSC64N00-SO614
R902418841 AA10VO45DFR1/52L-PUC11N00-S1352
R902420956 AA10VO45DFR1/52L-PUC11N00-S1447
R902427258 AA10VO45DFR1/52L-PUC11N00-S1625
R910989851 AA10VO45DFR1/52L-PUC11N00-S3726
R902412996 AA10VO45DFR1/52L-PUC12G30
R910971974 AA10VO45DFR1/52L-PUC12N00
R902433396 AA10VO45DFR1/52L-PUC13N00-SO710
R910979954 AA10VO45DFR1/52L-PUC61N00
R902437462 AA10VO45DFR1/52L-PUC61N00E
R902401380 AA10VO45DFR1/52L-PUC62N00
R910970024 AA10VO45DFR1/52L-PUC64N00
R902400002 AA10VO45DFR1/52L-PUC64N00-SO97
R902400172 AA10VO45DFR1/52L-PUC64N00-SO547
R902401057 AA10VO45DFR1/52L-PWC62K01
R902406837 AA10VO45DFR1/52L-VCC11N00-S2172
R902453621 AA10VO45DFR1/52L-VCC11N00-S2208
R910990935 AA10VO45DFR1/52L-VRC12K04-SO804
R902420413 AA10VO45DFR1/52L-VRC62K68
R902406192 AA10VO45DFR1/52L-VRC62K68-ESO973
R902483112 AA10VO45DFR1/52L-VSC11N00
R902416276 AA10VO45DFR1/52L-VSC11N00-S1507
R902443905 AA10VO45DFR1/52L-VSC11N00-S2054
R902454161 AA10VO45DFR1/52L-VSC11N00-S2219
R902411087 AA10VO45DFR1/52L-VSC11N00-SO710
R910990941 AA10VO45DFR1/52L-VSC11N00-SO804
R902433925 AA10VO45DFR1/52L-VSC12H00-S3974
R902413717 AA10VO45DFR1/52L-VSC12K01
R902540397 AA10VO45DFR1/52L-VSC12K01
R902419805 AA10VO45DFR1/52L-VSC12K04
R902425209 AA10VO45DFR1/52L-VSC12K68-S1213
R910975052 AA10VO45DFR1/52L-VSC12K68-S1487
R902447840 AA10VO45DFR1/52L-VSC12K68-S2053
R992000825 AA10VO45DFR1/52L-VSC12K68-S2053
R902403212 AA10VO45DFR1/52L-VSC12K68-SO702
R902455217 AA10VO45DFR1/52L-VSC12K68-SO794
R902414239 AA10VO45DFR1/52L-VSC12KA2
R910988986 AA10VO45DFR1/52L-VSC12N00
R902402502 AA10VO45DFR1/52L-VSC12N00-S1021
R902404200 AA10VO45DFR1/52L-VSC12N00-S1025
R902444617 AA10VO45DFR1/52L-VSC12N00-S1213
R902430084 AA10VO45DFR1/52L-VSC12N00-S1388
R902448308 AA10VO45DFR1/52L-VSC12N00-S2053
R902455549 AA10VO45DFR1/52L-VSC12N00-S2226
R902454667 AA10VO45DFR1/52L-VSC12N00-S2318
R902416921 AA10VO45DFR1/52L-VSC12N00-SO702
R910994554 AA10VO45DFR1/52L-VSC12N00-SO905
R902451551 AA10VO45DFR1/52L-VSCXXH00-S1640
R902550839 AA10VO45DFR1/52L-VUC11N00
R902454059 AA10VO45DFR1/52L-VUC11N00-S1038
R902409974 AA10VO45DFR1/52L-VUC11N00-S1172
R902419986 AA10VO45DFR1/52L-VUC11N00-S1418
R902420955 AA10VO45DFR1/52L-VUC11N00-S1446
R902420958 AA10VO45DFR1/52L-VUC11N00-S1449
R902427256 AA10VO45DFR1/52L-VUC11N00-S1623
R902432857 AA10VO45DFR1/52L-VUC11N00-S1778
R902443022 AA10VO45DFR1/52L-VUC11N00-S1951
R902443827 AA10VO45DFR1/52L-VUC11N00-S1969
R902427542 AA10VO45DFR1/52L-VUC11N00-S2547
R902430958 AA10VO45DFR1/52L-VUC11N00-S3259
R902430960 AA10VO45DFR1/52L-VUC11N00-S3260
R902497668 AA10VO45DFR1/52L-VUC11N00-SO481
R902410940 AA10VO45DFR1/52L-VUC11N00-SO509
R902407672 AA10VO45DFR1/52L-VUC11N00-SO794
R902455719 AA10VO45DFR1/52L-VUC12K01-SO547
R910987857 AA10VO45DFR1/52L-VUC12N00
R902431193 AA10VO45DFR1/52L-VUC13N00
R902417203 AA10VO45DFR1/52L-VUC13N00-SO547
R992000705 AA10VO45DFR1/52L-VUC13N00-SO547
R902464965 AA10VO45DFR1/52L-VUC13N00-SO547
R902503985 AA10VO45DFR1/52L-VUC62K68
R902503524 AA10VO45DFR1/52L-VUC62N00-SO547
R902504262 AA10VO45DFR1/52L-VUC64N00-SO547
R902504396 AA10VO45DFR1/52L-VUC64N00-SO547
R902547985 AA10VO45DFR1/52L-VWC12N00-S2062
R902551195 AA10VO45DFR1/52L-VWC13N00-S2062
R902430388 AA10VO45DFR1/52L-VWC62N00
R902434864 AA10VO45DFR1/52L-VWC62N00-S1038
R910979693 AA10VO45DFR1/52R-PCC61N00
R902448746 AA10VO45DFR1/52R-PKC11N00
R902437981 AA10VO45DFR1/52R-PKC12H00
R902437739 AA10VO45DFR1/52R-PKC12N00
R902400406 AA10VO45DFR1/52R-PKC61N00
R910984154 AA10VO45DFR1/52R-PKC64N00
R902534651 AA10VO45DFR1/52R-PKC64N00-S3956
R902431315 AA10VO45DFR1/52R-PRC12H00-SO779
R910995966 AA10VO45DFR1/52R-PRC12K04-SO702
R902430380 AA10VO45DFR1/52R-PRC12N00
R902406005 AA10VO45DFR1/52R-PRC62K04
R902401166 AA10VO45DFR1/52R-PRC62K68
R910998359 AA10VO45DFR1/52R-PSC11N00
R902411839 AA10VO45DFR1/52R-PSC11N00-S1509
R910972744 AA10VO45DFR1/52R-PSC11N00-SO116
R910975960 AA10VO45DFR1/52R-PSC11N00-SO615
R902430106 AA10VO45DFR1/52R-PSC12G30
R902433241 AA10VO45DFR1/52R-PSC12G30
R902438944 AA10VO45DFR1/52R-PSC12H00
R910990288 AA10VO45DFR1/52R-PSC12K01-SO116
R902429831 AA10VO45DFR1/52R-PSC12K01-SO200
R902446284 AA10VO45DFR1/52R-PSC12K01E
R902435624 AA10VO45DFR1/52R-PSC12K01ESO200
R902416690 AA10VO45DFR1/52R-PSC12K04
R902427850 AA10VO45DFR1/52R-PSC12K04-S1543
R910985752 AA10VO45DFR1/52R-PSC12K52
R910992423 AA10VO45DFR1/52R-PSC12K68
R902407129 AA10VO45DFR1/52R-PSC12K68-SO973
R910997106 AA10VO45DFR1/52R-PSC12N00
R902423768 AA10VO45DFR1/52R-PSC12N00-S1518
R902411798 AA10VO45DFR1/52R-PSC12N00-SO116
R902434345 AA10VO45DFR1/52R-PSC12N00-SO547
R910995914 AA10VO45DFR1/52R-PSC12N00-SO702
R902435326 AA10VO45DFR1/52R-PSC12N00E
R902434294 AA10VO45DFR1/52R-PSC12N00E
R902437310 AA10VO45DFR1/52R-PSC12N00ES4101
R902433520 AA10VO45DFR1/52R-PSC12N00ESO116
R910975491 AA10VO45DFR1/52R-PSC61N00
R902423206 AA10VO45DFR1/52R-PSC61N00-S1487
R902408932 AA10VO45DFR1/52R-PSC61N00-SO97
R910995018 AA10VO45DFR1/52R-PSC61N00-SO547
R902427931 AA10VO45DFR1/52R-PSC62K01
R902426055 AA10VO45DFR1/52R-PSC62K02
R902400465 AA10VO45DFR1/52R-PSC62K04
R902401356 AA10VO45DFR1/52R-PSC62K68
R910985626 AA10VO45DFR1/52R-PSC62N00
R910966718 AA10VO45DFR1/52R-PSC64N00
R902400067 AA10VO45DFR1/52R-PSC64N00-SO97
R910972300 AA10VO45DFR1/52R-PSC64N00-SO229
R902428396 AA10VO45DFR1/52R-PSC64N00-SO547
R902411950 AA10VO45DFR1/52R-PSC64N00-SO747
R910978802 AA10VO45DFR1/52R-PUC11N00
R902443457 AA10VO45DFR1/52R-PUC11N00E
R910971912 AA10VO45DFR1/52R-PUC12N00
R902404541 AA10VO45DFR1/52R-PUC12N00-S1089
R902422744 AA10VO45DFR1/52R-PUC12N00-S1349
R910983883 AA10VO45DFR1/52R-PUC12N00-SO607
R910979944 AA10VO45DFR1/52R-PUC12N00-SO649
R910996601 AA10VO45DFR1/52R-PUC12N00-SO937
R910978932 AA10VO45DFR1/52R-PUC12N00*UNGUEL***
R910970240 AA10VO45DFR1/52R-PUC12N00*UNGUEL***
R910974596 AA10VO45DFR1/52R-PUC61N00
R902423207 AA10VO45DFR1/52R-PUC61N00-S1487
R902400014 AA10VO45DFR1/52R-PUC62K68
R902400418 AA10VO45DFR1/52R-PUC62N00
R902400038 AA10VO45DFR1/52R-PUC62N00-S2364
R902400171 AA10VO45DFR1/52R-PUC62N00-SO794
R910970022 AA10VO45DFR1/52R-PUC64N00
R902544706 AA10VO45DFR1/52R-PUC64N00
R910966197 AA10VO45DFR1/52R-PUC64N00-SO277
R902401297 AA10VO45DFR1/52R-PUC64N00-SO381
R902427675 AA10VO45DFR1/52R-PUC64N00-SO547

产品图片:

叶片泵
因为历史的叶片泵根据中类型的不同有两种

一)专门指容积泵中的滑片泵。

二)指动力式泵的三泵(离心泵、混流泵、轴流泵)或其他特殊的泵。

这类泵产品一般不会叫叶片泵。但作为专著,叶片泵几乎全部是指离心泵、混流泵、轴流泵等(一级建造师2014《机电工程与管理实务》中称这三类为叶轮泵)。

根据其每转的理论排量是固定值还是可变值,可以分为叶片式变量泵和叶片式定量泵。

工作原理
叶片泵转子旋转时,叶片在离心力和压力油的作用下,尖部紧贴在定子内表面上。这样两个叶片与转子和定子内表面所构成的工作容积,先由小到大吸油后再由大到小排油,叶片旋转一周时,完成一次吸油与排油。

一、单作用叶片泵的工作原理


泵由转子1、定子2、叶片3、配油盘和端盖等部件所组成。定子的内表面是圆柱形孔。转子和定子之间存在着偏心。叶片在转子的槽内可灵活滑动,在转子转动时的离心力以及通入叶片根部压力油的作用下,叶片顶部贴紧在定子内表面上,于是两相邻叶片、配油盘、定子和转子间便形成了一个个密封的工作腔。当转子按逆时针方向旋转时,图右侧的叶片向外伸出,密封工作腔容积逐渐增大,产生真空,于是通过吸油口6和配油盘5上窗口将油吸入。而在图的左侧。叶片往里缩进,密封腔的容积逐渐缩小,密封腔中的油液经配油盘另一窗口和压油口1被压出而输出到系统中去。这种泵在转子转一转过程中,吸油压油各一次,故称单作用泵。转子受到径向液压不平衡作用力,故又称非平衡式泵,其轴承负载较大。改变定子和转子间的偏心量,便可改变泵的排量,故这种泵都是变量泵。

二、双作用叶片泵的工作原理

它的作用原理和单作用叶片泵相似,不同之处只在于定子表面是由两段长半径圆弧、两段短半径圆弧和四段过渡曲线八个部分组成,且定子和转子是同心的。在图示转子顺时针方向旋转的情况下,密封工作腔的容积在左上角和右下角处逐渐增大,为吸油区,在左下角和右上角处逐渐减小,为压油区;吸油区和压油区之间有一段封油区把它们隔开。这种泵的转子每转一转,每个密封工作腔完成吸油和压油动作各两次,所以称为双作用叶片泵。泵的两个吸油区和两个压油区是径向对称的,作用在转子上的液压力径向平衡,所以又称为平衡式叶片泵。

双作用叶片泵的瞬时流量是脉动的,当叶片数为4的倍数时脉动率小。为此,双作用叶片泵的叶片数一般都取12或16。

注意事项
叶片泵的管理要点除需防干转和过载、防吸入空气和吸入真空度过大外,还应注意:

1.泵转向改变,则其吸排方向也改变叶片泵都有规定的转向,不允许反。因为转子叶槽有倾斜,叶片有倒角,叶片底部与排油腔通,配油盘上的节流槽和吸、排口是按既定转向设计。可逆转的叶片泵必须专门设计。

2.叶片泵装配 配油盘与定子用定位销正确定位,叶片、转子、配油盘都不得装反,定子内表面吸入区部分 易磨损,必要时可将其翻转安装,以使原吸入区变为排出区而继续使用。

3.拆装 注意工作表面清洁,工作时油液应很好过滤。

4. 叶片在叶槽中的间隙太大会使漏泄增加,太小则叶片不能自由伸缩,会导致工作失常。

5.叶片泵的轴向间隙 对ηv影响很大。

1)小型泵-0.015~0.03mm

2)中型泵-0.02~0.045mm

6.油液的温度和粘度 一般不宜超过55℃,粘度要求在17~37mm2/s之间。粘度太大则吸油困难;粘度太小则漏泄严重。

作为泵产品,叶片泵更多地指滑片泵。只要你有兴趣在百度搜索发现,叶片泵几乎全部指滑片泵。

常见问题
叶片泵常见故障及排除方法是什么?

(1)流量不足。叶片泵流量不足的原因及排除方法见表1-6。

表1-6叶片泵流量不足的原因及排除方法

常见故障及其原因

排除方法

顶盖处螺丝松动,轴向间隙增大,容积效率下降

适当拧紧螺钉,保证间隙均匀、适当(间隙为0.04~0.07 mm)

个别叶片滑动不灵活

清洁叶片泵,如还不灵活则更换调配

定子内表面磨损,叶片不能与定子内表面良好接触

定子内表面磨损一般在吸油腔处

配流盘端面磨损严重

更换

叶片与转子装反

使叶片倾角方向和转子的旋转方向一致

系统泄漏大

逐个元件检査泄漏,同时检查压力表是否被脏物堵塞

(2)油液吸不上。叶片泵油吸不上的原因和排除方法见表1-7。

表1-7叶片泵油吸不上的原因和排除方法

常见故障及其原因

排除方法

油面过低,油液吸不上

检査并加注到规定油标线

油液黏度过大,使叶片在转子槽内滑动不

灵活

一般用20#液压油或22#汽轮机油

配油盘端面与壳体内平面接触不良,高低压腔串通

整修配油盘端面

泵体内部有砂眼,高低压腔串通

更换

电动机转向反了

纠正

(3)泵的噪声过大。泵的噪声过大的原因及排除方法见表1-8。

表1-8泵的噪声过大的原因及排除方法

常见故障及其原因

排除方法

滤油器堵塞,吸油不畅

淸洗

吸入端漏气

用涂黄油的方法,逐个检査吸油管接头处,若噪声减少应紧固接头。或直接观察回油口处是否出现气泡。

泵端密封磨损

在轴端油封处涂上黄油,若噪声减小,应更换油封

泵盖螺钉由于振动而松动

将螺钉连接处涂上黄油,若噪声小,应紧固螺钉

泵与电动机轴不同心

重新调整使之同心

转子的叶片槽两侧与其两端面不垂直

更换转子

配油盘卸荷三角槽太短

用什锦锉适当修改,使前一叶片过卸荷槽时,后一叶片已脱离吸油腔

花键槽轴端的密封过紧(有烫手现象)

适当调整更换

泵的转速太高

按规定转速使用

油泵的吸油量不足

检查油液高度

液压油严重污染

拆下滤油器,检查滤油器是否破损,是否有较多固体吸附,更换滤油器和液压油

压力振摆

检查泵芯总压阀阀芯磨损情况

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