【*】美国VICKERS柱塞泵 威格士柱塞泵 液压柱塞泵威格士液压柱塞泵靠气压供油的液压油箱,在每次启动机器后,必须等液压渍箱达到使用气压后,才能操作机械。直轴斜盘式柱塞泵分为压力供油型的自吸油型两种。压力供油型液压泵大都采用有气压的油箱,也有液压泵本身带有补油分泵向液压泵进油口提供压力油的。自吸油型液压泵的自吸油能力很强,无需外力供油。对于自吸油型柱塞泵,液压油箱内的油液不得低于油标下限,要保持足够数量的液压油。液压油的清洁度越高,液压泵的使用寿命越长。 径向柱塞泵径向柱塞泵可分为阀配流与轴配流两大类。阀配流径向柱塞泵存在故障率高、效率低等缺点。上70、80年代发展的轴配流径向柱塞泵克服了阀配流径向柱塞泵的不足。由于径向泵结构上的特点,陕定了轴配流径向柱塞泵比轴向柱塞泵耐冲击、寿命长、控制精度高。变量行程短泵的变量是在变量柱塞和限位柱塞作用下,改变定子的偏心距实现的,而定于的zui大偏心距为 5—9mm(根据排量大小不同),变量行程很短。且变量机构设计为高压操纵,由控制阀进行控制。故该泵的响应速度快。径向结构设计克服了如轴向柱塞泵滑靴偏磨的问题。使其抗冲击能力大幅度提高。 轴向柱塞泵轴向柱塞泵是活塞或柱塞的往复运动方向与缸体中心轴平行的柱塞泵。轴向柱塞泵是利用与传动轴平行的柱塞在柱塞孔内往复运动所产生的容积变化来进行工作的。由于柱塞和柱塞孔都是圆形零件,加工时可以达到很高的精度配合,因此容积效率高,运转平稳,流量均匀性好,噪声低,工作压力高等优点,但对液压油的污染较敏感,结构较复杂,造价较高。 直轴斜盘式柱塞泵直轴斜盘式柱塞泵分为压力供油型的自吸油型两种。压力供油型液压泵大都采用有气压的油箱,也有液压泵本身带有补油分泵向液压泵进油口提供压力油的。自吸油型液压泵的自吸油能力很强,无需外力供油。靠气压供油的液压油箱,在每次启动机器后,必须等液压渍箱达到使用气压后,才能操作机械。如液压油箱的气压不足时就担任机器,会对液压泵内的与滑鞭造成拉脱现象,出会造成泵体内回程板与压板的非正常磨损。 【*】美国VICKERS柱塞泵 VICKERS威格士PVH141柱塞泵型号: PVXS-130M04R0001R01SV0ADF000A0000000000000000010 PVXS066-M-R-DF-0000-001 PVH057R01AA10A250000002001AE010A PVH57C-RF-1S-11-C25VT4-31 PVH057R01AA50A250000001001AB010A PVM045ER06CS02AAA28000000A0A PVM141ER10GS02AAA23000000A0A PVM141MR11GS02AAB2320000AA0A PVM045ER05CS02AAA28000000A0A PVXS-066M02R0001R01SV0ADF000A0F00000000000000010 PVH141R13AF30A230000002001AB010A PVXS-090M02R0001R01SV0ADF000A0000000000000000010 PVH074R01AA10B252000001001AB010A PVQ40AR01AB10A2100000 PVQ40AR02AA10A2100000200100CD0A PVQ40AR01AB30G2100000100100CD0A PVM018ER01AS02AAA28000000A0A PVM131ER10GS02AAA2800000AA0A PVH074R01AA10A250000001001AE010A PVM074ER09GS02AAC2820000 0A0A PVH74QIMRSMNS11CM731 PVH74QIC-RF-1S-11-C25-31 PVXS-250-M-R-LR-0000-000 PVWS-250M07R0001R01SV0ADF000A0000000000000000010 PVXS-066-M-R-DF-0075-000Hydraulic柱塞泵 PVH141QICRM13S11C21V31 PVH074QIC-RSF-1S-10-C25-31 PVH098QIC-RSF-13S-10-C25-31 PVH98QIC-RF-1S-10-C25 PVQ20-B2R-SS1S-21-C21D-12 PVQ13-A2R-SE1S-20-C14-12 PVH74QIC-RM-1S-10-C25-31 PVH74QIC-RF-1S-10-C25-31 PVH74QIC-RSF-IS-10-25V-31 PVM074ER09GS04AAA28000000A0A PVQ20B2RSE1S21C2112S2 PVH131R13AF30250000002001A010A PVQ32-B2R-SE1S-21-C14-12 PVH098R13AJ30A250000002001AE010A PVH131QIC-RF-IS-11-C25-31 PVH131QIC-RF-3S-10-C25-31 PVH57QIC-RF-IS-11-C25-31 PVH57QIC-RF-1S-10-C25-31 PVH098R01AJ30A250000001001AB010A PVB15-RSY-41-CC-12 PVH106R01AJ30A230000001001AE010A PVE19AR05AB10B2135000100100CD0A PVE19AL08AA10A1700000100100CD0A PVH57C-RF-2D-10-C15-31 PVH57QIC-RSF-1S-10-C25-31 PVH131QIC-RSF-13S-10-C25V-31 PVH131R13AF30A250000002002AE010A PVQ20B2RSS1S21CM7D12 PVQ20B2RSS1S20CM7D12 PVH098R01AJ30A00010A PVH098R01AJ30A070OOOOO2001AB010A PVH074R01AA10A250000002001AB010A ST307-350-B PV=30~350bar Pmax=600bar PVB5-RSY-40-C12 PVQ45AR02AA10G19000002001000C PVH074R01AB10AAE010A PVH098R01AJ30AAB010A PVQ20-B2R-SS1S-21-CM7D-12 PVQ45AR01AB10G0700000100100CD0A PVH057R01AA10A250000002001AB010A PVH98QIC-RSF-1S 10 25V-31 PVQ32-B2R-SS1S-21-CM7D-12 PVXS130 RDF 0000000 PVXS090M-02R001R01SVVADF PVXS130M-04R001R01SVVADF PVXS130 PVXS-066-M-R-DF-0000-000Hydraulic Piston Pump PVXS-066-M-R-DF-0000-000 PVH57C-RF-2D-10-C15-31 PVH74QICRSM1S11C2531 PVM045ML08CS02AAC2820000 PVE19AL05AA10A2100000100100C02A PVM057ER09GS02AAA28000000A0A PVH98QICRF1S10C25V31 PVB20-RS-20-C-11 PVH98QICRSM1S10C2531 PVM018ER17BS05AAA28000000A0A PVQ40MBRSSNF20CM712 PVM018ER17BS05AAA28000000A0A PVH057R01AA50B252000001001AB010A PVH57QICRSM1S11C2531 PVQ20B2RSS1S21C2112 PVM045ER06CS04AAA28000000A0A PVXS180-M-R-DF-0000-000 PVXS180-M-R-DF-0000-000 PVQ40-B2R-SS3F-20-C21-12 PVXS-090-M-R-SP-0000-344 PVH131R13AF30A250000001001AB010A PVQ40AR01AA10G2100000200100CD0A PVQ13-A2R-SS1S-20-CM7-12 PVM098ER10GS02AAB28110000A0A PVH98QICRM1S10C2531 PVM098ER09GS04AAA28000000A0A PVQ10-A2R-SE1S-20-C21-12 PVH131R13AG30A250000001001AB010A PVB29RS20CG20 PVQ32-B2R-SS1S-21-C14-12 PVH141R13AG30A2500001001AE010A PVE19AR05AA10A 2100000100100CD0A PVQ10-A2R-SE1S-20-C21-12 PVQ40AR05AB10G2100000100100CD0A PVH057R01AA10B252000001AE1AB010A PVQ20-B2RSE3S-21-C21V11B-13 PVQ45AR02AA10G18000001AE100CD0A PVQ20-B2R-SE 3S-21C21-12 PVQ40AR01AB10G2100000200100CD0A PVQ32B2RSE1S21C14D12 PVXS-130-M-R-SP-0000-00 PVB29-FRS20-CM11 PVQ45AR01AB10G1800000200100CD0A PVQ13A2RSE1S20C14D12 PVH141R13AF30B2520000002001AB_ PVQ40AR02AA10G2100000100100CD0A PVXS-090-M-R-DF-0000-000 PVH074R02AA10A250000001001AE010A PVH131R16AF30B252000001AD1AB010A PVH057R01AA10B252000002001AB010A PVH131R13AF30A250000002001AE010A PVH131-QIC-RF13-510-B711C25V31 PVB5LSY40C12 PVH74QICRSF1S10C25V31057 PVQ13A2R-SS1S-20-C14-12 PVQ13A2R-SS1S-20-C14D-12 PVQ40AR01AB10G2100000100100CD0A PVQ20-B2RA-SS-1S-10-CNTH PVM020ER15BS05AAA23000000A0A
威格士柱塞泵工作原理 威格士柱塞泵是往复泵的一种,属于体积泵,其柱塞靠泵轴的偏心转动驱动,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。带滑靴结构的轴向柱塞泵是目前使用zui广泛的轴向柱塞泵,安放在缸体中的柱塞通过滑靴与斜盘相接触,当传动轴带动缸体旋转时,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。 |