A4VSO71FR/10R-PPB25N00柱塞泵
南京轩创机电贸易有限公司供应德国BOSCH REXROTH(博世 力士乐)
南京轩创机电贸易有限公司(简称“轩创液压”)成立于2006年,位于江苏省南京市。是一家批发零售:液压油泵阀门的供应商。主要产品有:德国力士乐(REXROTH),德国福伊特(VOITH),意大利维托斯(VTOZ),美国威格士(VICKERS),伊顿(EATON),日本东京计器(TOKIMEC)、油研(YUKEN)、(NACHI)、丰兴(TOYOOKI,大金(DAIKIN),法国丹尼逊(DENISON),油圣(YEOSHE),凯嘉(KCL),福南(FURNAN)油泵等等。公司目前旗下有员工38人,公司一贯坚持“用户至上,信守合同”的宗旨,凭借着高质量的产品,产品销往近三十多个省、市、自治区以及远销南非、新加坡等。
斜盘式轴向力士乐柱塞泵的结构特点:
斜盘式轴向柱塞泵的传动轴轴线与缸体轴线重合。斜盘式轴向柱塞泵结构,柱塞的头部和滑履,以球铰连接,柱塞在旋转过程中,在弹簧的作用下,通过压盘,始终压在斜盘上,不会出现脱空现象。斜盘式轴向柱塞泵主要由泵体、缸体、配油盘、传动轴、柱塞、斜盘、变量活塞、丝杆、变量机构壳体等零件组成。
在构成吸、压油腔密封容积的三对运动副中,滑履与斜盘之间的平面缝隙及缸体与配油盘之间的平面缝隙均采用静压平衡,从而使摩擦减小;柱塞和缸体孔之间的圆柱环形间隙配合精度高,通过此间隙的泄漏会减少。因而轴向柱塞泵的总效率较高,额定压力可达32 MPa以上。
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力士乐斜盘式轴向柱塞泵的工作原理:
轴向柱塞泵可分为斜盘式和斜轴式两大类,其基本工作原理是相同的。如图13-16所示为斜盘式轴向柱塞泵的工作原理图。泵主要由斜盘1、柱塞2、缸体3、配油盘4和传动轴5等零件组成。斜盘和配油盘是固定不动的,柱塞和缸体由传动轴带动一起旋转,柱塞靠机械装置或低压油作用压紧在斜盘上。当电动机带动传动轴按图示方向旋转,缸体从图示的下方位置向上方转动时,柱塞逐渐向外伸出,于是柱塞与缸体孔形成的密封工作容积不断增加,产生局部真空,从而将油液经配油盘上的吸油窗口a 吸入,这就是吸油过程;当缸体从图示上方位置向下方转动时,柱塞在斜盘作用下被压进孔中,密封工作容积不断减小,将油液经配油盘上的压油窗口b 排到系统中,这就是压油过程。缸体每转一转,每个密封容积都完成一次吸油和压油过程,若缸体不断地旋转,则泵就吸油和压油。
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