合理使用油泵有利于齿轮维修保养。齿轮油的使用寿命较长,如使用单级油,在换季维护时换用不同的粘度标号。放出的旧油如不到换油期限,可在再次换油时加车使用。旧油应妥善保管,严防水分、机械杂质和废油污染。
力士乐变量轴向柱塞泵 A4VSO180DR/30R-PPB13N00 产品广泛应用于钢铁、冶金、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、林业、纺织、皮革、造纸等行业领域
常见故障编辑
1.液压泵输出流量不足或不输出油液
(1)吸入量不足。原因是吸油管路上的阻力过大或补油量不足。
如泵的转速过大,油箱中液面过低,进油管漏气,滤油器堵塞等。
(2)泄漏量过大。原因是泵的间隙过大,密封不良造成。如配油盘被金属碎片、铁屑等划伤,端面漏油;变量机构中的单向阀密封面配合不好,泵体和配油盘的支承面有砂眼或研痕等。可以通过检查泵体内液压油中混杂的异物判别泵被损坏的部位。
(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。
2.中位时排油量不为零
变量式轴向柱塞泵的斜盘倾角为零时称为中位,此时泵的输出流量应为零。但有时会出现中位偏离调整机构中点的现象,在中点时仍有流量输出。其原因是控制器的位置偏离、松动或损伤,需要重新调零、紧固或更换。泵的角度维持力不够、倾斜角耳轴磨损也会产生这种现象。
3.输出流量波动
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能差,都会造成控制活塞运动不稳定。流量不稳定又往往伴随着压力波动。这类故障一般要拆开液压泵,更换受损零部件,加大阻尼,提高弹簧刚度和控制压力等。
4.输出压力异常
泵的输出压力是由负载决定的,与输入转矩近似成正比。输出压力异常有两种故障。
(1)输出压力过低
当泵在自吸状态下,若进油管路漏气或系统中液压缸、单向阀、换向阀等有较大的泄漏,均会使压力升不上去。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。
(2)输出压力过高
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。若最大压力过高,应调整溢流阀。
5.振动和噪声
振动和噪声是同时出现的。它们不仅对机器的操作者造成危害,也对环境造成污染。
(1)机械振动和噪声
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。
(2)管道内液流产生的噪声
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,必须正确设计油箱,正确选择滤油器、油管和方向阀。
6.液压泵过热
液压泵过度发热有两个原因,一是机械摩擦生热。由于运动表面处于干摩擦或半干摩擦状态,运动部件相互摩擦生热。二是液体摩擦生热。高压油通过各种缝隙泄漏到低压腔,大量的液压能损失转为热能。所以正确选择运动部件之间的间隙、油箱容积和冷却器,可以杜绝泵的过度发热和油温过高的现象。另外,回油过滤器堵塞造成回油背压过高,也会引起油温过高和泵体过热。
7.漏油
柱塞泵漏油主要有以下原因:
(1)主轴油封损坏或轴有缺陷、划痕;
(2)内部泄漏过大,造成油封处压力增大,而将油封损伤或冲出;
(3)泄油管过细过长,使密封处漏油;
(4)泵的外接油管松动,管接头损伤,密封垫老化或产生裂纹;
(5)变量调节机构螺栓松动,密封破损;
(6)铸铁泵壳有砂眼或焊接不良 [2] 。
A4系列变量柱塞泵:A10VSO18DFR1/31R-PPA12NOO、A10VSO28DFR1/31R-VPA12N00、A10VSO45DFR1/32R-PPB12N00、 A10VSO71DFR1/32R-VPB22U99 A10VSO100DFR1/32R-VPB12N00、A10VSO140DRS/32R-VPB22U99等
A4系列变量柱塞泵:A4VSO71DR/30R-PPB13N00 A4VSO125DR/30R-PPB13N00 A4VSO180DR/30R-PPB13N00
A4VSO250DR/30R-PPB13NOO等
A4VSO40LR2G/10R-PPB13N00
A4VSO71DFR/10X-PPB13N00
A4VSO71DR/10X-PPB13N00
A4VSO71DRG/10X-PPB13N00
A4VSO71LR2/10R-PPB13N00
A4VSO71LR2D/10R-PPB13N00
A4VSO125DFR/22R-PPB13N00
A4VSO125DR/22R-PPB13N00
A4VSO125DR/22R-VPB13N00
A4VSO125LR2/22R-PPB13N00
A4VSO125LR2G/22R-PPB13N00
A4VSO125LR2N/22R-PPB13N00
A4VSO180LR2N/22R-PPB13N00
A4VSO250DFR/30R-PPB13N00
A4VSO250DR/30R-PPB13N00
A4VSO250DRG/30R-PPB13N00
A4VSO250LR2/30R-PPB13N00
A4VSO250LR2G/30R-PPB13N00
A4VSO250LR2N/30R-PPB13N00
A4VSO180DFR/22R-PPB13N00
A4VSO180DR/22R-PPB13N00
A4VSO180DRG/22R-PPB13N00
柱塞泵 A4VG90HWD1/32R-NZF001S
柱塞泵 A4VTG90HW/32R-NLD10F001S
轴向柱塞泵 A4VSO125DR/PPB13NOO
变量轴向柱塞泵 A4VSO180DR/30R-PPB13N00
变量轴向柱塞泵 A4VSO125DR/30R-PPB13N00
柱塞泵 A4VS0125DR/10R-PPB13N00
柱塞泵 A4VS071DR/10R-PPB13N00
柱塞泵 A4VS0125DR/22R
变量泵 A4VSO250EO2/30R-VPB13N00-SO2
柱塞泵 A4VG125EP2MT1/32-NZF02F021SH-S
柱塞泵 A4VSO250EO2/30R-VPB13N00-SO2
变量轴向柱塞泵 A4VSO180DR/30R-PPB13N00
变量轴向柱塞泵 A4VSO125DR/30R-PPB13N00
油泵 A4VSO180DFR/30R-PPB13N00
柱塞泵 A4VS0180DR/30R-PPB13N00
轴向柱塞泵主泵 A4VS0125DRG/30R-PPB13N00
油泵 A4VS071DR/30R-PPB13N00
德国力士乐A4VG-125泵的配件 主轴 080121-001#
轴向柱塞泵 E-A4VSO250EO2/30R-VPB25N00-SO3
轴向柱塞泵 E-A4VSO250EO2/30R-VPB25N00-SO3
柱塞泵 A4VSO180DR/30R-FPB13N00
恒压变量泵 E-A4VS0125DR/22R-VPB13N00
柱塞泵 A4VSO180DR/30R-FPB13N00
柱塞泵 A4VS0180LR2G/30R-PPB13NOO
柱塞泵 A4VSO250LR2D/30R-PPB13NOO
柱塞泵 A4VSO250DR/30R-PPB13NOO
泵 A4VG56EZ2DM1/32-NSC02F003F
柱塞泵 A4VS0250DR/30RPPB13N00
阀柱塞泵 A4VTG71HW/32R-NLD10F001S
柱塞泵 A4VSG750HD/22R-PPH10NOO
轴向柱塞泵 A4VS07IDR/3XR
轴向柱塞泵 A4VS0125DR/3XR
柱塞泵 A4VG90EP2DT1/32R-NAF02F00
柱塞泵 A4VSO-250E02/30R-PPB13N00
柱塞泵 A4VSO-250DR/30R-PPB13N00
液压马达 A4VG40EP4DMT1/32L-NSC02F015PH
柱塞泵 A4VG71DWDMT2/23L-NZF02F041D
泵 A4VG250HD1D1/32LNZD10F001S
柱塞泵 A4VS0125DR30R-PPB13N00
柱塞泵 A4VG125HD1D2/32R-NTF02F691P
柱塞泵 A4VG125HD1D2/32R-NSF02F02F021P
串泵 A4VG125HDMT1-32R-NSF02F691S-
柱塞泵(二串泵) A4VG125EP2/32+A10V028DR/31
A4VS0125DR/30R-PPB13N00
A4VS0125LR2N/22L-PZB13A00
A4VG125HDMT1/32R-NSFO21S-S
A4VTG90HW/32R
A4VG125HD1D2/32R-NSF001S
A4VSO180DR/3XR-PPB13N00
A4VSO125DR/3DR-PPB13NOO
A4VS0125LR2N/22L-PZB13A00
A4VTG90HW/3IR-NLD10F001S
A4VG56EZ1DMV32R-PSC02F023E-S
A4VG90EP2DT1/32R-NAF02F001F
A4VG90EP2DT1/32L-NAFO2F001D
E-A4VS0250DR/30RPPB13N00
A4VS0125DR/22R-PPB13N00
A4VS0180DR/30R-PPB13N00
A4VG125HDDT132L-PZF02F001D
EA4VS0125DFR/30R-PPB13N00
A4VS040DR-PPB13N00
A4VS0180DR/22R-PPB13N00
A4VSO40EO/31L-P2BBN00
A4VSO180EO/30L-P2B13N00
A4VS040DR/10X-PPB13N00
AE-A4VS0250E01/30R-PPBN00-S036
A4V125HW10R0C101A-K
AHA4VS0250HD1GB/30R-PZB13K35-S
AHA4VS0250LR3G/30R-PZB13K35-S0
AHA4VS0250LR3G/30R-PZB13N00-S0
A4VG180HDMT1/32R-NSD02F021SG-S
A4VG180EP2DT1/32R-NTD02F021SH
AHA4VS0250HD1GB/30R-PZB13K35-S
AHA4VS0250LR3G/30R-PZB13K35-S0
AHA4VS0250LR3G/30R-PZB13N00-S0
A4VG250HD1D1/32LNZD10F001S
A4VG125HDDT1/32L-PZF02F001D
A4V125HW10R0C101A-K
A4VG125EP2D1/32R-NAF02K691EP-4
A4VG125DA2D2/32R-NAF02F021DT
A4VG56EZ2DM1/32L-NSC02F013SH-K
A4VG56EZ2DM1/32R-NSC02F013SH
A4VTG90HW/32R-NLD10F001S
A4VTG71HW/32R-NLD10F001S
A4VTG90HW32R-NLD10FOO1S
A4VG90HWDL1/32R-NAF02F071L-S+A
A4VG90HWDL1/32L-NZF02F001S-S B
A4VG125EP2D1/32R-NAF02K691EP-4
A4VG125DA2D2/32R-NAF02F021DT
A4VG56EZ2DM1/32L-NSC02F013SH-K
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30L-PPH13N0010SET
E-A4VS040DR/10R-PPB13NOO
A4VS0125DR30R-PPB13N00
A4VG250HD1D1/32LNZD10F001S
A4VG71EP/32R-NAF02F011S
A4VG125HDM1/32R-NSF02F691S-S
A4VG250HD1D1/32LNZD10F001S
A4VG125HDM1/32R-NSF02F691S-S
A4VS0250DRG/30R-PPB13N00
E-A4VS0180DR/30R-PPB13N00
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30L-PPH13N0010SET
A4VS0125DR30R-PPB13N00
A4VG90HWD2/32R-PZF02F001S
A4VG125HDDT1/32L-PZF02F001D
A4VG71EPDT1/32R-NAF02F011S
A4VG90EP2DT1/32R-NAF02F011S
A4VG125EP2DT1/32R-NAF02F011S
A4VG125HD1P1/32R-N2D10F69
A4VG71EZ2DM1/32L-NZF02F021S-SK
A4VG125HDMTI/32R-PSF02P691S
A4VG71EPDT1/32R-NAF02F011S
A4VG90EP2DT1/32R-NAF02F011S
A4VG125EP2DT1/32R-NAF02F011S
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30R-PPH13N0010SET
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30L-PPH13N0010SET
A4VG125HDM1/32R-NSF02F691S-S
A4VS0250DRG/30R-PPB13N00
E-A4VS0180DR/30R-PPB13N00
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30L-PPH13N0010SET
A4VG125HDM1/32R-NSF02F691S-S
A4VS0250DRG/30R-PPB13N00
E-A4VS0180DR/30R-PPB13N00
A4VG56EP2DT1/32L-NAC02K01XE-S
A4VG125DA202-32L-P7F02F001
A4VSO180DR/-30R-PPB13N00
A4VG125HD1D2-32R-NTF02F691P
A4VG125HD1D2-32R-NSF02F021P
A4VS0250DRG/30R-PPB13N00
E-A4VS0180DR/30R-PPB13N00
A4VS0250DRG/30R-PPB13N00
E-A4VS0180DR/30R-PPB13N00
A4VG125EP2DT1/32R-NAF02F011S
A4VG125HD1D2/32R-NTF02F691P
A4VG125HD1D2/32R-NSF02F02F021P
A4VG125HDDT1/32R-N2F02F011S
A4VG125EP2DT1/32R-NAF02F011S
加油量应适当。油量应适当,不可过多也不可过少。过多不仅增加搅油阻力和燃料消耗,而且有可能齿轮油经后桥壳混入制动鼓(如果密封不良)造成制动失灵;过少会使润滑不良,温度过高,加速齿轮磨损,会对齿轮维修造成不利影响。齿轮油面一般应加到与齿轮箱加油口下缘平齐,且应经常检查各齿轮油箱是否渗漏,并保持各油封、衬垫完好。
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CALZONI液压马达、CALZONI HYDRAULICS MOTOR
CALZONI马达系列有MR33、MR57、MR73、MR93、MR110、MR125、MR160、MR250、MR450、MR700、MR1100、MR1600、MR1800、MR2400、MR2800、MR3600、MR4500、MR6500、MR7000、MRE330、MRE500、MRE800、MRE1400、MRE2100、MRE3100、MRE5400、MRE8200、MRC250、MRC300、MRC350、MRC400、MRC500、MRC600、MRC700、MRC800、MRC1000、MRC1100、MRC1200、MRC1400L、MRC1400、MRC1600、MRC1800、MRC2000、MRC2400、MRC2800、MRC3100、MRC3600、MRC4500、MRC5400、MRCN250、MRCN300、MRCN350、MRCN400L、MRCN400、MRCN450、MRCN500、MRCN600、MRCN700、MRCN800i、MRCN800、MRCN1000、MRCN1100、MRCN1200
CALZONI卡桑尼特价型号有
CALZONI马达MRD1100G527-F1N1N1N1NX
CALZONI液压马达MRD1100G527F1N1N1N1NX1000/5861
CALZONI油压马达MRD1100G527P1N1N1N1NX1000/5860
MRTF9900P-F1M2N1S1NX0300/60137
MRTF9900P-F1M2N1S1NX0300/Y6006
MRV1100G380N1C1N1T1N1000/Y6024
MRV1100G380N1N1N1G1N1000/Y5930
MRV1100G380N1N1N1T1N1000/Y6024
MRV1100G672N2T2N1N1NX1000/Y605
MRV2800I1263N1Q2N2N1SX0600/585
MRV2800I1396N1N1N1T1N0600/5846
MRV2800I930N1N1N1N1N0600/58056
MRV4500L1560N1N1N1N1N0500/Y594
MRV450E225F1Q2N1N1NX0700/59852
MRV450E225N1B1N1C1N0700/Y60221
MRV450E225N1N1N1N1N0700/59448
MRV700F240F1B1N1N1NX0800/Y6042
MRV700F240F1M1N1N1NX0800/Y6042
MRV700F240F1Q2N1N1NX0800/Y6007
MRVE5400L2701P1N1N1L1N0500/Y60
MRD1100G817F1N1N1C1NX1000/584+
MRD1100G817F2N1N1C1NX1000/5872
MRD1100G890P1N1N1N1SX1000/5860
MRD1800H1307D2N1N1C1NX0900/601
MRD1800H1407N1N1N1N1SX0900/587
MRD1800H600N1N1N1N1N0900/58707
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