正品VICKERS威格士柱塞泵现货
(PVH074R01AA10B252000001001AB010A)
威格士(VICKERS)是伊顿集团流体动力部门旗下的一个****的液压品牌,其主要产品包括液压泵、马达、油缸、液压阀等。
柱塞泵的特点:
1.瞬时流量是脉动的
这是因为在柱塞泵中,液体介质的吸入和排出过程是交替进行的,而且活塞在位移过程中,其速度又在不断地变化之中。在只有一个工作腔的泵中,泵的瞬时流量不仅随时间而变化,而且是不连续的。随着工作腔的增多,瞬时流量的脉动幅度越来越小,乃至在实用上可以认为是紊流。
2.平均流量是恒定的
理论上,泵的流量只取决于泵的主要结构参数n(每分钟往复次数)、S(活塞行程)、D(活塞直径)、Z(活塞数目),与排出压力无关,且与输送介质的温度、粘度等物理、化学性质无关。所以说泵的流量是恒定的。
3.泵的压力取决于管道特性
柱塞泵的排出压力不能由泵本身限定,而是取决于泵装置的管道特性,并且与流量无关。也就是说,如果认为输送液体是不可压缩的,那么,在理论上可认为往复泵的排出压力将不受任何限制,即可根据泵装置的管道特性,建立泵的任何所需的排出压力。当然,所有往复泵都有一个泵的排出压力的规定,这不是说该泵的排出压力不会再升高,而只是说,由于原动机额定功率和泵本身的结构强度的限制,不允许在**出这一排出压力下使用而己。
威格士VICKERS柱塞泵回油过程:
柱塞向上供油,当上行到柱塞上的斜槽(停供边)与套筒上的回油孔相通时,泵油室低压油路便与柱塞头部的中孔和径向孔及斜槽沟通,油压骤然下降,出油阀在弹簧力的作用下迅速关闭,停止供油。此后柱塞还要上行,当凸轮的凸起部分转过去后,在弹簧的作用下,柱塞又下行。此时便开始了下一个循环。
VICKERS威格士PVH074柱塞泵型号:
PVH074R01AA10A25000000100100010A PVH74C-RF-1S,-10-C25-31
PVH074R01AA10B25200000100100010A PVH74C-RF-1S,-10-C25V-31
PVH074R01AA10A250000001001AA010A PVH74C-RF-1S,-11-C25-31
PVH074R01AA10B252000001001AA010A PVH74C-RF-1S,-11-C25V-31
PVH074R02AA10A25000000100100010A PVH74C-RF-2S,-10-C25-31
PVH074R02AA10B25200000100100010A PVH74C-RF-2S,-10-C25V-31
PVH074R02AA10B252000001001AA010A PVH74C-RF-2S,-11-C25V-31
PVH074R01AA10A25000000200100010A PVH74C-RSF-1S,-10-C25-31
PVH074R01AA10B25200000200100010A PVH74C-RSF-1S,-10-C25V-31
PVH074R01AA10A250000002001AA010A PVH74C-RSF-1S,-11-C25-31
PVH074R02AA10A25000000200100010A PVH74C-RSF-2S,-10-C25-31
PVH074R02AA10B25200000200100010A PVH74C-RSF-2S,-10-C25V-31
PVH074R01AA10A250000001001AB010A PVH74QIC-RF-1S,-10-C25-31
PVH074R01AA10B252000001001AB010A PVH74QIC-RF-1S,-10-C25V-31
PVH074R01AA10A250000001001AE010A PVH74QIC-RF-1S,-11-C25-31
PVH074R01AA10B252000001001AE010A PVH74QIC-RF-1S,-11-C25V-31
PVH074R02AA10A250000001001AB010A PVH74QIC-RF-2S,-10-C25-31
PVH074R02AA10B252000001001AB010A PVH74QIC-RF-2S,-10-C25V-31
PVH074R02AA10A250000001001AE010A PVH74QIC-RF-2S,-11-C25-31
PVH074R02AA10B252000001001AE010A PVH74QIC-RF-2S,-11-C25V-31
PVH074R01AB10A250000001001AB010A PVH74QIC-RM-1S,-10-C25-31
PVH074R02AB10A250000001001AE010A PVH74QIC-RM-2S,-11-C25-31
PVH074R01AA10A250000002001AB010A PVH74QIC-RSF-1S,-10-C25-31
PVH074R01AA10B252000002001AB010A PVH74QIC-RSF-1S,-10-C25V-31
PVH074R01AA10A250000002001AE010A PVH74QIC-RSF-1S,-11-C25-31
PVH074R02AA10A250000002001AB010A PVH74QIC-RSF-2S,-10-C25-31
PVH074R02AA10A250000002001AE010A PVH74QIC-RSF-2S,-11-C25-31
PVH074R01AB10A250000002001AE010A PVH74QIC-RSM-1S,-11-C25-31