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VICKERS上海销售处/美国VICKERS威格士柱塞泵,美国VICKERS威格士柱塞泵分为轴向柱塞泵和径向柱塞泵两种代表性的结构形式;因为径向柱塞泵属于一种新型的技术含量比较高的高效泵,跟着国产化的不断加快,径向柱塞泵必定会成为柱塞泵应用领域的重要组成部门。VICKERS威格士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。因为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,流量平均性好,噪声低,工作压力高等长处,但对液压油的污染较敏感,结构较复杂,造价较高。柱塞和柱塞套是一对精密偶件,经配对研磨后不能互换,要求有高的精度和光洁度和好的耐磨性,其径向间隙为0.002~0.003mm威格士VICKERS柱塞泵头部圆柱面上切有斜槽,并通过径向孔、轴向孔与顶部相通,其目的是改变轮回供油量;柱塞套上制有进、回油孔,均与泵上体内低压油腔相通,柱塞套装入泵上体后,应用定位螺钉定位。柱塞头部斜槽的位置不同,改变供油量的方法也不同。出油阀和出油阀座也是一对精密偶件,配对研磨后不能互换,其配合间隙为0.01mm 。出油阀是一个单向阀,在弹簧压力作用下,阀上部圆锥面与阀座严密配合,其作用是在停供时,将高压油管与柱塞上端空腔隔绝,防止高压油管内的油倒流入喷油泵内。出油阀的下部呈十字断面,既能导向,又能通过柴油。出油阀的锥面下有一个小的圆柱面,称为减压环带,其作用是在供油终了时,使高压油管内的油压迅速下降,避免喷孔处产生滴油现象。当环带落入阀座内时则使上方容积很快增大,压力迅速减小,停喷迅速。柱塞头部圆柱面上切有斜槽,并通过径向孔、轴向孔与顶部相通,其目的是改变轮回供油量;柱塞套上制有进、回油孔,均与泵上体内低压油腔相通,柱塞套装入泵上体后,应用定位螺钉定位。威格士柱塞头部斜槽的位置不同,改变供油量的方法也不同。出油阀是一个单向阀,在弹簧压力作用下,阀上部圆锥面与阀座严密配合,其作用是在停供时,将高压油管与柱塞上端空腔隔绝,防止高压油管内的油倒流入喷油泵内。出油阀的下部呈十字断面,既能导向,又能通过柴油。出油阀的锥面下有一个小的圆柱面,称为减压环带,其作用是在供油终了时,使高压油管内的油压迅速下降,避免喷孔处产生滴油现象。当环带落入阀座内时则使上方容积很快增大,压力迅速减小,停喷迅速。
VICKERS上海销售处/美国VICKERS威格士柱塞泵,美国VICKERS威格士柱塞泵结构原理,威格士柱塞泵工作过程,VICKERS威格士柱塞泵特点,VICKERS威格士柱塞泵工作时,在喷油泵凸轮轴上的凸轮与柱塞弹簧的作用下,迫使柱塞作上、下往复运动,从而完成泵油任务,泵油过程可分为以下三个阶段。VICKERS部分型号如下:4535V60A25-1AA-22R4535V60A25-1CC-22R4525V60A12-1AA-22R4525V60A12-1CC-22R2520V17A5-1AA-22R2520V17A5-1AA-22R2520V17A5 1BB22R2520V17A5 1CC22R2520V17A5 1DD22R2520V17A5 1AB22R2520V17A8 1AA22R2520V17A8 1BB22R2520V17A8 1CC22R2520V17A8 1CC22L2520V17A8 1CB22R2520V17A11 86DD22R2520V17A11 1DD22R2520V17A14 1AA22R2520V17A14 1CC22R2520V17A14 1CB22R2520V21A2 1AA22R2520V21A2 1CC22R2520V21A5 1AA22R2520V21A5 1CC22R2520V21A5 1DD22R2520V21A8 1AA22R2520V21A8 1BB22R2520V21A8 1CC22R2520V21A8 1DD22R2520V21A11 1AA22R2520V21A11 1BB22R2520V21A11 1CC22R2520V21A11-1AB22R2520V21A11-1DA22R2520V21A12 1AA22R2520V21A12 1BB22R2520V21A12 1CC22R2520V21A12 1DD22R2520V21A12 1CB22R2520V21A14 1AA22R2520V21A14 1DD22R2520V21A14-1AB22R2520V21A14 1AC22R2520V21A14 1AD22R2520V21A14 1CB22R2520VQH17A12-1DD20R2525V21A17 86DA22R3520V25A5 1AA22R3520V25A5 1CC22R3520V25A8-86CB22R3520V25A11 1BB22R3520V25A11 86AB22R3520V25A12 1AA22R3520V25A12 1CC22R3520V25A12-1DD22R3520V30A2 1CC22R3520V30A5 1DB22R3520V30A5 1DC22R20V5A 1C22R20V5A 1C22R20V5A 1D22R20V8A 1A22R20V8A 1C22R20V8A 1D22R20V8A-1C22L20V8A 151C22R20V11A 1A22R20V11A 1B22R20V11A 1C22R20V11A 1D22R20V11A 1A22L20V12A 1A22R20V12A 1D22R20VQ5A 1C3025V10A 1A22R25V10A-1C22R25V12A 1B22R25V12A 1C22R25V12A 1D22R25V12A-11A22R25V14A 1A22R25V14A 1B22R25V14A 1C22R25V14A 1D22R25V14A-1B22L25V14AF-1C22R25V14AM-1D22R25V17A 1A22R25V17A 1B22R25V17A 1C22R25V17A 1D22R25V17A 1A22L25V17A 11B22L25V21A 1A22R25V21A 1B22R25V21A 1C22R25V21A 1D22R25V21A 1A22L35V25A 1A22R35V25A 1B22R35V25A 1C22R35V25A 1D22R35V30A 1A22R35V30A 1B22R35V30A 1C22R3525V35A21-1BA22R3525V38A12-1BB-22R3525V38A14 11AA22R3525V38A17 1AA22R3525V38A17 1BB22R3525V38A17 1CC22R3525V38A17 1BA22R3525V38A17 1DA22R3525V38A21 1AA22R3525V38A21 1BB22R3525V38A21 1CC22R3525V38A21-1AB22R3525V38A21 86BB22R3525V38A21 86CC22R3525VQ30A21 1DD204520V42A5 1CC22R4520V42A11 1AB22R4520V42A11 1AC22R4520V42A12 1CC22R4520V42A12 1CC22R4520V42A12 86DD22R4520V50A5 1CC22R4520V50A8 1CC22R4520V50A11 1AA22R4520V50A11 1CC22R4520V50A12 1AA22R4520V50A14-1AA22L4520V60A5 1CC22R4520V60A8 1AA22R4520V60A8 1CC22R4520V60A11 1AD22R4520V60A12 1AA22R4520V60A12 1CC22R4520V60A14 1CC22R4525V42A14-1AD22R4525V42A17 1AA22R4525V42A17 1CC22R4525V42A17 1DD22R4525V42A21 1AA22R4525V42A21 1BB22R4525V42A21 1CC22R4525V42A21 1BA22R4525V42A21 1BD22R4525V42A21 1DA22R4525V42A21 86AA22R4525V42A21-86DD22R4520V45A5 1BB22R4525V50A12 1DD22R4525V50A14 1AA22R4525V50A14 1DD22R4525V50A17 1AA22R4525V50A17 1CC22R4525V50A17 1DD22R4525V50A17 1DD22R4525V50A21 1AA22R4525V50A21 1CC22R4525V50A21 1DD22R4525V50A21 1BB22L4525V50A21 1AB22R4525V 50A21 1AD22R4525V50A21 1DA22R4525V50A21-1DC22R4525V50A21 86AA22R4525V50A21 86BB22R4525V60A12 1DD22R35V30A 1C22R35V30A 1D22R35V30A-1B22L35V30A-86A22R35V35A 1B22R35V35A 1C22R35V38A 1A22R35V38A 1B22R35V38A 1C22R35V38A 1D22R35V38A 1A22L35VQ35A 1C2045V42A 1A22R45V42A 1B22R45V42A 1C22R45V42A 1D22R45V42A 86A22R45V42A 86B22R45V42A 86C22R45V42A 86C22R45V42A 86D22R