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浙江大学学报(工学版)
J4  2009, Vol. 43 Issue (11): 2091-2095    DOI: 10.3785/j.issn.1008-973X.2009.11.027
机械工程     
轴向柱塞泵平面配流副的摩擦转矩特性试验研究
王彬1,2,周华1,杨华勇1
（1.浙江大学 流体传动及控制国家重点实验室,浙江 杭州 310027；2.南京航空航天大学 能源与动力学院,江苏 南京 210016）
Experimental study of frictional torque properties of plane port pairs in axial piston pump
WANG Bin1,2, ZHOU Hua1, YANG Hua-yong1
(1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China;
2. College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)
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摘要：

为研究配流机构工况参数对摩擦转矩的影响,根据轴向柱塞泵配流机构的受力特点,给出配流盘与缸体转子之间固体或边界润滑、全空间油膜润滑状态下的摩擦转矩构成及相应的理论计算.在不同油膜厚度、配流副转速下实测配流副的摩擦转矩变化,结合缸体转动周期讨论摩擦转矩变化过程及与配流副磨损形式的对应关系.结果表明,载荷是配流副摩擦转矩变化的根本因素；配流副正常磨损通常表现为配流盘吸油槽与压油槽间的不均匀磨损；油膜厚度对摩擦转矩的影响显著,但并不是单调反比例关系,5 μm的油膜厚度引起近10%的摩擦功率损失.由配流副摩擦转矩的实测及与理论计算的对比，得出配流副摩擦转矩造成的整泵机械功率损失.
Abstract:

According to the load behavior of the porting mechanism in axial piston pump, frictional torque’s composition and theoretical calculation were presented under solid lubrication, boundary lubrication and whole film lubrication between port plate and cylinder block. The frictional torque of the port pair was tested under different oil film heights and rotation speeds to study the effects of working condition parameters on frictional torque. The relationship between the change process of frictional torque and the wear pattern of port pair in one rotor period was discussed. The approximate percent of the whole pump mechanical power loss due to the port pair’s frictional torque was reached. The results show that load is the fundamental factor resulting in variation of the frictional torque, and that the uneven wear in the region connecting sucking slot and delivering slot is a normal appearance in port pairs. The oil film height significantly affects the frictional torque, but it does not work as monotonic inverse proportion relationship. A film height of 5 μm causes about 10% frictional power loss．
出版日期: 2009-11-01
:  TH 137  
基金资助:

国家“十一五”科技支撑计划资助项目（2006BAF01B03-02）；教育部高等学校博士学科点专项科研基金资助项目（20070335143）.
通讯作者: 周华，男，教授.     E-mail: hzhou@sfp.zju.edu.cn
作者简介: 王彬（1978-），男，江苏兴化人，讲师，博士，从事液压泵润滑特性研究.
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引用本文:

王彬, 周华, 杨华勇. 轴向柱塞泵平面配流副的摩擦转矩特性试验研究[J]. J4, 2009, 43(11): 2091-2095.

WANG Ban, ZHOU Hua, YANG Hua-Yong. Experimental study of frictional torque properties of plane port pairs in axial piston pump. J4, 2009, 43(11): 2091-2095.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2009.11.027    或    http://www.zjujournals.com/eng/CN/Y2009/V43/I11/2091

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