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重载推力轴承动压承载特性分析
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信部“高技术船舶科研计划—船用低速机工程(一期)”(工信部联装函【2017】21号);重庆市教育委员会科学技术项目(KJQN202003902)


Analysis of dynamic pressure bearing characteristics of heavyduty thrust bearings
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    摘要:

    为了验证某推力轴承设计的合理性,以某推力轴承为研究对象,依据给定的供油工作条件,使用CFD技术分析了推力轴承正常工作情况下的动压油膜轴向承载力特性。研究结果表明:在正常工作情况下,推力块瓦面倾角为0.02°,推力块动压油膜承载力大于1210 kN,满足瓦块轴向承载力要求;推力环进口边界压力为0.2 MPa时,油膜承载力约为69 kN,同时满足了推力盘润滑要求和转子旋转时的油膜承载力要求。

    Abstract:

    In order to verify the rationality of thrust bearing design, taking a thrust bearing as the research object and according to the given oil supply working conditions, the paper analyzes the dynamic pressure oil film axial bearing capacity characteristics of thrust bearing under normal working conditions by using CFD technology. The research results show that: under normal working conditions, the tilt Angle of thrust block tile surface is 0.02°, and the bearing capacity of dynamic pressure oil film of thrust block is greater than 1 210 kN, which meets the requirements of axial bearing capacity of tile block. When the inlet boundary pressure of the thrust ring is 0.2mpa, the bearing capacity of the oil film is about 69 kN, which meets the lubrication requirements of the thrust disc and the bearing capacity of the oil film during the rotor rotation.

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杨大奎,黄贵川,郭 元,陈思睿,李亚洲.重载推力轴承动压承载特性分析[J].机床与液压,2020,48(24):203-209.
Dakui YANG, Guichuan HUANG, Yuan GUO, Sirui CHEN, Yazhou LI. Analysis of dynamic pressure bearing characteristics of heavyduty thrust bearings[J]. Machine Tool & Hydraulics,2020,48(24):203-209

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  • 在线发布日期: 2021-04-22
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