力士乐柱塞泵REXTOTH

力士乐泵 力士乐柱塞泵 力士乐 齿轮泵、叶片泵

液压系统中常用的泵有齿轮泵、叶片泵和柱塞泵 3种。齿轮泵：体积较小，结构较简单，对油的清洁度要求不严，价格较便宜；但泵轴受不平衡力，磨损严重，泄漏较大。叶片泵：分为双作用叶片泵和单作用叶片泵。这种泵流量均匀，运转平稳，噪音小，工作压力和容积效率比齿轮泵高，结构比齿轮泵复杂。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。　　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.轴向柱塞泵中的柱塞是轴向排列的。当缸体轴线和传动轴轴线重合时，称为斜盘式轴向柱塞泵；当缸体轴线和传动轴轴线不在一条直线上，而成一个夹角γ时，称为斜轴式轴向柱塞泵。轴向柱塞泵具有结构紧凑，工作压力高，容易实现变量等优点。
 斜盘式轴向柱塞泵由传动轴1带动缸体4旋转，斜盘2和配油盘5是固定不动的。柱塞3均布于缸体4内， 柱塞的头部靠机械装置或在低压油作用下紧压在斜盘上。斜盘法线和缸体轴线的夹角为γ。当传动轴按图示方向旋转时，柱塞一方面随缸体转动，另一方面，在缸体内作往复运动。显然，柱塞相对缸体左移时工作容腔是压油状态，油液经配油盘的吸油口a吸入；柱塞相对缸体右移时工作容腔是压油状态，油液从配油盘的压油口b压出。缸体每转一周，每个柱塞完成吸、压油一次。 如果可以改变斜角γ的大小和方向，就能改变泵的排量和吸、压油的方向，此时即为双向变量轴向柱塞泵。
当传动轴1在电动机的带动下转动时，连杆2推动柱塞4在缸体3中作往复运动，同时连杆的侧面带动活塞连同缸体一同旋转。配油盘5是固定不动的。如果斜角度γ的大小和方向可以调节，就意味着可以改变泵的排量和吸、压油方向，此时的泵为双向变量轴向柱塞泵。

 A10VSO柱塞泵
控制器 DR, DRG, DFR,
DFR1, DFE1,
排量 10...140 cm^3
P max = （315） 350 bar
工业用 
 
武汉锦博机电设备有限公司**: 公司专业经销德国力士乐Rexroth，在力士乐液压泵、液压阀、伺服及比例阀、放大板等产品具有很强的竞争优势，优势产品型号有4WE 、4WM 、DBD 、DR 、ZDB 、Z2FS 系列阀，A4V、A10VS0、A2FO系列柱塞泵，A2FE、A2FM液压马达，HED系列压力继电器。
力士乐柱塞泵
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A10VSO柱塞泵 A4VSO变量泵

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