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A11VO95LRDS/10R-NSD12N00挖掘机液压泵

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A11VO95LRDS/10R-NSD12N00挖掘机液压泵 德国博世力士乐REXROTH液压泵 液压元件

库存大量REXROTH柱塞泵A10VSO,齿轮泵PGH4\5,PGF1/PGF2/PGF3,电磁阀4WE,电子变量泵SYDFEE-2X,电液比例控制阀0811,电液换向阀4WEH、4WE,减压阀DR10、DR20、叠加阀ZD、Z1S、Z2S,ZDR电磁溢流阀DBW,直动式溢流阀DBD、0532,先导溢流阀DB10、DB20,电磁球阀M-S、M-3S,力士乐电液比例控制阀\放大器、压力继电器0811,伺服驱动,电机

A11VO95LRDS/10R-NSD12N00挖掘机液压泵

液压泵内部结构图

柱塞泵:容积效率高、泄漏小、可在高压下工作、大多用於大功率液压系统;但结构复杂,材料和加工精度要求高、价格贵、对油的清洁度要求高。

一般在齿轮泵和叶片泵不能满足要求时才用柱塞泵。还有一些其他形式的液压泵,如螺杆泵等,但应用不如上述3种普遍。

特点

铝合金制造、强度高、耐腐蚀、重量轻、适合各种环境下作业。

双速特性减少了打压次数,在低压室快速处于负载用功状态,立刻转换成高压,缩短每次作业周期。

配有压力调节阀,可调节控制及设定工作压力。组成

液压机械行业常会用到的叶片泵

联轴器

1、联轴器的选用

液压泵传动轴不能承受径向力和轴向力,因此不允许在轴端直接安装带轮、齿轮、链轮,

通常用联轴器联接驱动轴和泵传动轴。如因制造原因,泵与联轴器同轴度超标,装配时又存在偏差,则随着泵的转速提高离心力加大联轴器变形,变形大又使离心力加大。造成恶性循环,其结果产生振动噪声,从而影响泵的使用寿命。此外,还有如联轴器柱销松动未及时紧固、橡胶圈磨损未及时更换等影响因素。

2、联轴器的装配要求

刚性联轴器两轴的同轴度误差≤0.05mm

弹性联轴器两轴的同轴度误差≤0.1mm

两轴的角度误差<1?;

驱动轴与泵端应保持5~10mm距离;

挖掘机是工程机械主力机种,是建设工程的主要生产工具,因此对挖掘机提出了很高的要求。要求节能低排放、**率、良好的操纵性和降低对环境的负荷等,要实现这些要求必须对挖掘机进行控制,由于液压控制信息处理能力差,不能光靠液压控制主要要靠电子控制。液压动力由液压泵提供,要知道液压泵是挖掘机液压系统的能源装置,将电机的机械能转换为液压能,输出流量和压力,在液压系统中占有非常重要的地位。如果液压泵出现故障,将会影响到整个液压系统的正常工作。

挖掘机液压泵流量调整方法与压力调整方法

一、液压泵流量的调整

1、主泵流量的调整

(1)神钢挖掘机200松开流量锁紧螺母;

(2)转动压力调整螺栓,直到压力符合规定为止;

(3)当系统压力在14700一17700kPa范围内时,顺时针转动流量调整螺栓1/4圈,流量增加约18L/min,此时较好级弹簧起作用。当系统压力在23500一34300kPa范闹内时,顺时针转动流量调整螺检1/4圈,流量增加约7L/min,此时第二级弹簧起作用;

(4)若逆时针转动流量调整螺栓,则流量减少相应的数镇;

(5)拧紧流量锁紧螺母,拧紧力矩为(12加或减3)N?m;

(6)上泵和下泵流量的调整方法相同。

2、中联205挖掘机主泵较大流量的调整

(1)松开流量锁紧螺母;

(2)拧动流量调整螺栓,直到流量达到较大值为止。顺时针转动流量调整螺栓1/49,流量约减少13L/min。逆时针转动流量调整螺栓1/4圈,流量约增加13L/min;

(3)拧紧流量锁紧螺母,拧紧力矩为10N?m。

3、反流量的调整

(1)松开流量锁紧螺母口;

(2)拧动流量调整螺栓,直到流量达到较大镇为止。顺时针转动流量调整螺栓1/4W.在系统压力为2500kPa时,流量约减少41./-n:逆nJ针转动流量调整螺栓1/4圈,流量约增加4L/min;

(3)拧紧流量锁紧螺母,拧紧力矩为(12加或减3)N?m。

压路机震动泵

R902071866 A11VO190LRDU2/11R-NZD12K01H-SK *AL* 

R902071867 A11VO190LRDU2/11R-NZD12K01H-SK 

R902073020 A11VO190/10 A11VO130/10 A11VO95 A11VO40 

R902073021 A11VO190LR3DH1/11R-NZD12K83 

R902073040 A11VO190DRS A11VO130DRS *AL* 

R902073041 A11VO190EP2D/11R-NZD12K61H 

R902073075 A11VO190DRS A11VO60DRS 

R902073113 A11VO190LRDH1/11 A10VO28DR/31-K 

R902073261 A11VO190DRG/11L-NTD12K02 

R902073306 A11VO190LRD/11L-NZD12K02 

R902073307 A11VO190LRDH1/11R-NSD12K01 

R902073415 A11VO190DRS A10VO140DFR1 

R902073416 A11VO190DRS/11L-VPD12K17-S 

R902073420 A11VO190LRGH6/11L-NZD12K84R-S 

R902073477 A11VO190DRS A11VO130DRS 

R902073478 A11VO190DRS/11L-NZD12K17 

R902073480 A11VO190LRDH1/11L-NZD12N00 

R902074449 A11VO190EP2 A11VO95EP2 

R902074450 A11VO190EP2D/11L-NZD12K82H 

R902074453 A11VO190LR/11R-NZD12K61 

R902074454 A11VO190LR A11VO190LR A11VO60DR 

R902074455 A11VO190DRS/11L-NZD12K24 

R902074543 A11VO190DR/11R-NPD12K01 

R902074547 A11VO190DRG/11R-NPD12K04 

R902074548 A11VO190DRG/11R-NPD12K04-K 

R902074560 A11VO190EP2G/11R-NPD12K01H-S 

R902074607 A11VO190HD1D/11R-NPD12K01 

R902074610 A11VO190LRDU2/11R-NPD12K02H 

R902074715 A11VO190DRS/11L-NPD12K61 

R902074716 A11VO190DRS2 A11VO60DRS A10VO45DFR1 

R902074729 A11VO190DRS A10VSO18DFR1 

R902074926 A11VO190DRS A11VO190DRS 

R902074927 A11VO190DRS/11R-NZD12K84 

R902074945 A11VO190LRDU2/11R-NPD12K17H 

R902074947 A11VO190EP2D/11L-NZD12K07H 

R902075635 A11VO190DRS/11R-NZD12K79 

R902075665 A11VO190LRDH2/11R-NZD12K01-K 

R902075683 A11VO190DRS A11VO130DRS 

R902075753 A11VO190LRDH2/11 A10VO28DR/31-K 

R902075765 A11VO190LRDU2/11R-NZD12K02H-K 

R902075798 A11VO190EP2G/11R-NPD12K24H 

R902075944 A11VO190LRDU2/11L-NZD12K82VH-S 

R902075985 A11VO190LRDU2/11R-NPD12N00H 

R902076542 A11VO190DRS/11R-NPD12K01 

R902076748 A11VO190EP2D/11L-NZD12K01H 

R902076750 A11VO190EP2D A11VO190EP2D 

R902076754 A11VO190DRS A11VO190DRS 

R902076859 A11VO190DRS/11L-NZD12K02 

R902077506 A11VO190HD1D/11L-NSD12K02 

R902077610 A11VO190LRD/11R-NZD12K01 

R902077611 A11VO190LRD/11R-NZD12K01-K 

R902077801 A11VO190LRDU2/11R-NZD12K07H-S 

R902077847 A11VO190DR/11L-NZD12K24 

R902079104 A11VO190LRDH2/11 A10VO45DR/31-K 

R902079105 A11VO190LRDH2/11R-NZD12K04 

R902079120 A11VO190LRD/11R-NPD12K04 

R902079157 A11VO190LRDU2/11 A11VO190LRDU2/11-K 

R902079165 A11VO190DRG/11R-NPD12K04-K 

R902079185 A11VO190LRH1/11R-NSD12K01 

R902080007 A11VO190LRDS A11VO60DR 

R902080041 A11VO190DRS A11VO145DRS 

R902081124 A11VO190LRDH1/11R-NSD12N00 

R902081184 A11VO190DRG/11R-NPD12K02-K 

R902081355 A11VO190HD1D/11L-NSD12K07 

R902081361 A11VO190LRDH1/11L-NSD12N00 

R902081410 A11VO190DRS A11VO190DRS 

R902081510 A11VO190LRDS/11L-NSD12N00 

R902081694 A11VO190DRX/11L-NZD12N00-S 

R902081837 A11VO190LR3DH1/11R-NZD12N00 

R902081948 A11VO190LRH2/11R-NZD12K02 

R902083042 A11VO190LRS/11R-NZD12K24-S 

R902083044 A11VO190LRS HA10VO100DFR 

R902083127 A11VO190LRDH1/11R-NZD12KXX-S 

R902083143 A11VO190EP2/11R-NPD12K01H 

R902083191 A11VO190DRS/11R-NZD12K24 

R902083192 A11VO190DRS/11R-NS12K17 

R902083193 A11VO190DRS A11VO130DRS 

R902083333 A11VO190LRS/11R-NSD12K17V-S 

R902083452 A11VO190EP2/11R-NPD12N00H 

R902083500 A11VO190LRDH2/11L-NZD12K01 

R902083501 A11VO190LRDH2/11L-NZD12K01-K 

R902083566 A11VO190LRDU2/11R-NZD12N00P 

R902083630 A11VO190LE2S/11R-NZD12N00P 

R902083694 A11VO190EP2D/11R-NZD12N00P 

R902083746 A11VO190LG1CS5 A10VO45DFLR 

R902083753 A11VO190LRD/11R-NPD12K01 

R902083754 A11VO190LRD/11R-NPD12K01-K 

R902084585 A11VO190LRDH1 A11VO190LRDH1 A11VO A11VO 

R902084615 A11VO190EP4S/11R-NZD12K07H-S 

R902084643 A11VO190EP2D/11L-NZD12N00H-S 

R902084785 A11VO190LRDS A11VO130LRDS 

R902084923 A11VO190LRDU2/11L-NZD12K82VH 

R902085568 A11VO190LRGU2/11R-NZD12N00VH-S 

R902085640 A11VO190DRS A11VO130DRS 

R902085723 A11VO190DRG/11R-NSD12K07 

R902085776 A11VO190LRS/11R-NPD12K84-S 

R902085839 A11VO190DR/11R-NPD12K02 

R902085876 A11VO190LRS/11R-NPD12N00-S 

R902087033 A11VO190EP2G/11R-NPD12K01H 

R902087099 A11VO190DRS/11 A4VG180EP2/32 

R902087565 A11VO190EP2/11R-NZD12N00H 

R902087566 A11VO190EP2 A11VO190EP2 *AL* 

R902087567 A11VO190EP2/11R-NZD12K84H 

R902087568 A11VO190EP2/11R-NZD12N00H 

R902087604 A11VO190LRGU2/11R-NZD12K02VH-S 

R902087655 A11VO190LRDS/11R-NPD12K01 

R902087849 A11VO190NV/11R-NZD12K24R-S 

R902087907 A11VO190LE2S/11R-NTD12K24P 

R902087915 A11VO190DRS A11VO130DRS 

R902087985 A11VO190LRDU2 A11VO190LRDU2 *AL* 

R902087986 A11VO190LRDU2/11L-NZD12K84VH-S 

R902087987 A11VO190LRDU2/11L-NZD12N00VH-S 

R902088033 A11VO190LRDH2/11 A10VO28DR/31-K 

R902088402 A11VO190DRS/11L-NZD12K07 

R902089029 A11VO190DRS/11R-NSD12N00 

R902089090 A11VO190DR A11VO190DR 

R902089091 A11VO190DR/11L-NZD12K84 

R902089092 A11VO190DR/11L-NZD12N00 

R902089102 A11VO190LRH2 A11VO130LRH2 

R902089103 A11VO190LRH2/11R-NPD12K17 

R902089104 A11VO190LRH2/11R-NSD12N00 

R902089478 A11VO190EP2D/11R-VPD12N00H-S 

R902089800 A11VO190DRL/11R-NZD12K61 

R902089801 A11VO190DRL/11R-NZD12K81 

R902090559 A11VO190DRG/11R-NZD12K17 

R902090580 A11VO190LRDS/11R-NXD12K07-S 

R902090707 A11VO190LRDH2 A11VO190LRDH2 

R902090708 A11VO190LRDH2/11L-NZD12K84 

R902090718 A11VO190LRDH2/11 A11VO190LRDH2/11-K 

R902090723 A11VO190LRDH2/11 A11VO190LRDH2/11-K 

R902090735 A11VO190LRDS/11L-NZD12N00-S 

R902090998 A11VO190LRD/11R-NZD12K84 

R902092335 A11VO190EP2/11L-NZD12K84H-ES 

R902092336 A11VO190EP2D/11L-NZD12N00H-ES 

R902092346 A11VO190EP2/11L-NZD12K02H-ES 

R902092685 A11VO190DRG/11R-NPD12N00-E 

R902094001 A11VO190LRD A11VO190LRD 

R902094116 A11VO190EP4S/11R-NZG12KXXH-S 

R902094325 A11VO190EP2S/11R-NSD12K17H-S 

R902094380 A11VO190DRS A11VO190DRGX 

R902094381 A11VO190DRS/11L-NZD12K84-S 

R902094404 A11VO190DRGX/11L-NZD12N00-S 

R902096016 A11VO190LRDS/11R-NSD12K02 

R902096086 A11VO190DRS/11R-NZD12K61 

R902096087 A11VO190DRS A4VG71EP2D1 A4VG71EP2D1 *AL* 

R902096100 A11VO190LR/11R-NZD12K07V 

R902096483 A11VO190LG1CS5 A10VO45DFLR 

R902097073 A11VO190DRS A11VO190LRDS 

R902097409 A11VO190LRCS/11R-NZG12K07 

R902097497 A11VO190EP2D/11R-NSD12K72H 

R902097819 A11VO190DRS/11R-NZD12N00R 

R902097976 A11VO190DRG/11R-NPD12K02-K 

R902100622 A11VO190LE2D/11 A11VO190LE2D/11-K 

R902100623 A11VO190LE2D/11R-NZG12K84P 

R902100624 A11VO190LE2D/11R-NZD12K01P 

R902100737 A11VO190DRS A10VO60ED73 

R902100738 A11VO190DRS/11L-VZD12K04-S 

R902100838 A11VO190LRDCH6/11L-NZD12N00 

R902100957 A11VO190EP2G/11R-NZD12K84P 

R902100958 A11VO190EP2G/11R-NZD12N00P 

R902100959 A11VO190EP2G/11R A11VO190EP2G/11R 

R902100970 A11VO190EP2G A11VO95EP2G 

R902100971 A11VO190EP2G A11VO130EP2G 

R902100972 A11VO190EP2G/11R-NZD12K17P 

R902102125 A11VO190LRDS/11L-NSD12K07 

R902102356 A11VO190EP4S/11R-NSG12KXXH-S 

R902103680 A11VO190LRDU2/11R-NZD12K01-K 

R902103886 A11VO190EP4S/11R-NZG12K17H-S 

R902104552 A11VO190LRDS/11R-NZD12K82 

R902104582 A11VO190LE2S/11R-NZD12K02H 

R902104925 A11VO190LRDS/11R-NSD12K07 

R902105047 A11VO190EP2G/11L-NZD12N00H-S 

R902105097 A11VO190LRDS/11R-NSD12K17-ES 

R902105098 A11VO190EP2S/11R-NSD12K17H-ES 

R902105149 A11VO190DR/11R-NSD12N00 

R902105164 A11VO190DRG/11R-XZD12N00-S 

R902105335 A11VO190DRG/11R-NZD12K84 

R902105336 A11VO190DRG/11 A4VG180HD1DM1/32 

R902106140 A11VO190DR/11R-NSD12K24 

R902106141 A11VO190DR/11L-NSD12K04 

R902106142 A11VO190DR/11L-NSD12K04-K 

R902106238 A11VO190LR A11VO130LR A11VO60DRS A11VO40 

R902106314 A11VO190EP2D/11R-NSD12K17H 

R902106339 A11VO190LRDH1/11R-NZD12KXX-S 

R902106352 A11VO190DRS A11VO145HD2D 

R902108047 A11VO190LRD/11R-NPD12K07 

R902108355 A11VO190DRS/11L-NZD12N00-S 

R902108379 A11VO190LRDS A11VO130DRS 

R902108380 A11VO190LRDS/11R-NPD12K83 

R902108399 A11VO190LE2S2/11R-NZG12N00P-S 

R902108415 A11VO190DRS/11R-NTD12K17-S 

R902110534 A11VO190LE2S/11R-NSD12K17H 

R902110951 A11VO190LR3S/11L-NSD12K07R 

R902112494 A11VO190EP2D/11R-NPD12K04RP 

R902112552 A11VO190DRG/11L-NTD12N00 

R902112555 A11VO190LRCS/11R-NZG12K07-S 

R902012178 A11VLO190LRDS/11L-NZD12N00 

R902012194 A11VLO190LRDS/11R-NZD12N00 

R902012579 A11VLO190DRS/11L-NSD12N00 

R902013688 A11VLO190DRS/11R-NZD12K02 

R902013824 A11VLO190LR3DS/11R-NZD12K04 

R902014644 A11VLO190LRDS/11R-NZD12KXX-S 

R902014789 A11VLO190DRS/11R-NZD12N00 

R902015194 A11VLO190LRS/11R-NSD12N00 

R902015195 A11VLO190LRS/11R-NPD12N00 

R902015196 A11VLO190LRS/11R-NSD12K02 

R902015197 A11VLO190LRS/11R-NPD12K02 

R902015252 A11VLO190DRS/11R-NSD12N00 

R902015253 A11VLO190DRS/11R-NPD12N00 

R902015254 A11VLO190DRS/11R-NSD12K02 

R902015255 A11VLO190DRS/11R-NPD12K02 

R902016408 A11VLO190HD1D/11L-NTD12K07 

R902017407 A11VLO190LE2S6/11R-NZD12N00-S *AL* 

R902018565 A11VLO190LG2DS/11L-NZD12N00-S 

R902021290 A11VLO190LRDH2/11R-NSD12K02 

R902021294 A11VLO190LRDH2/11L-NSD12K07 

R902021442 A11VLO190LRDS/11R-NSD12KXX-S 

R902021445 A11VLO190LRDS/11L-NTD12K72 

R902023004 A11VLO190EPXS/11L-NSD12K07-S *G* 

R902023045 A11VLO190LG1DH2/11L-NZD12N00 

R902023047 A11VLO190LRDH2/11L-NZD12K02 

R902023210 A11VLO190LRDU2/11R-NZD12K01 *G* 

R902025233 A11VLO190EP2D/11L-NSD12N00 *G* 

R902025374 A11VLO190LRDH2/11L-NTD12K07 

R902025375 A11VLO190LRDH2/11R-NTD12K02 

R902025376 A11VLO190DRS/11R-NTD12K02 

R902026927 A11VLO190LG2H2/11R-NZD12K84 

R902026928 A11VLO190LG2H2/11R-NZD12K07 

R902027513 A11VLO190LRDS/11L-NZD12N00-S 

R902027543 A11VLO190LRDS/11R-NPD12N00 

R902027948 A11VLO190LRDS/11L-NSD12N00-S 

R902027998 A11VLO190LG/11 A4VG71EP2/32 *G* 

R902027999 A11VLO190LG2H2/11L-NZD12K07 

R902028003 A11VLO190LG2H2/11L-NZD12K02 

R902028018 A11VLO190LG2H2/11L-NZD12KXX-S 

R902028212 A11VLO190LRDH1/11R-NZD12N00 

R902028216 A11VLO190LR/11R-NZD12N00 

R902028361 A11VLO190EP2G/11L-NZD12K02-S *G* 

R902029132 A11VLO190LRDC/11R-NZD12K84 

R902029133 A11VLO190LRDC/11R-NZD12N00 

R902029194 A11VLO190DRL/11R-NPD12N00 

R902029199 A11VLO190LRDC A11VLO190LRDC 

R902029358 A11VLO190LRDH2/11L-NSD12K01 

R902030100 A11VLO190LRDH2/11R-NSD12K04 

R902030113 A11VLO190LRDS/11R-NSD12K02 

R902030127 A11VLO190LRDS/11R-NSD12K01 

R902030167 A11VLO190LE4S5/11R-NZG12K01-S 

R902030239 A11VLO190DRS/11R-NPD12N00 *G* 

R902030289 A11VLO190LE4S5/11R-NZG12K01-K 

R902031011 A11VLO190LRDH1/11 A11VLO130LRDH1/11-K 

R902031012 A11VLO190LRDH1/11R-NZD12K83 

R902031078 A11VLO190EP2D/11L-NZD12K04 *G* 

R902031092 A11VLO190LRDH2/11R-NZD12K02 

R902031108 A11VLO190LRH1/11R-NZD12K02 

R902031150 A11VLO190LG2D/11R-NTD12K01-SK 

R902031151 A11VLO190LG2D/11R-NTD12K01-SK 

R902031152 A11VLO190LG2D/11L-NTD12K01-SK 

R902031153 A11VLO190LG2D/11R-NTD12K01-S 

R902031162 A11VLO190EPXS/11L-NSD12K04-S *G* 

R902031170 A11VLO190LG1S/11L-NZD12N00 

R902032205 A11VLO190DRS/11R-NZD12K02-K 

R902032291 A11VLO190LRDH1/11R-NZD12K02-K 

R902032292 A11VLO190LRDH1/11R-NZD12K02 

R902032293 A11VLO190LRDH1/11R-NZD12K01-K 

R902032294 A11VLO190LRDH1/11R-NZD12K01 

R902032424 A11VLO190LRDH1/11R-NZD12K04 

R902032425 A11VLO190LRDH1/11 A11VO40DRS/10 

油泵可以分为容积式和非容积室(蜗轮式)两种。非容积式有离心泵、轴流泵等,利用高速旋转的叶轮使进口产生真空吸入液体,并在出口连续输出压力液体。这种泵进口与出口相通,效率随液体粘度增加而降低,并且输出液体量随出口压力升高而显著减少。

容积式泵是通过一个封闭的空间容积的变化来实现吸油和压油的。当这个封闭容积由小变大时进行吸油,由大变小时进行压油。典型的为力士乐柱塞泵,柱塞从缸孔中拉出时吸油,压进时压油。这种泵进口与出口是被隔开的,效率取决于隔开吸压油腔的各对运动零件间的结构工艺间隙及油液的粘度等。粘度越率越高,输油量几乎保持不变(因效率略有影响,另外压力升高至18MPa,油液会被压缩1%)。

 

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