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T形滑环组合密封圈密封性能研究
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山西省自然科学基金项目(201701D221139);山西省科研平台建设项目(201705D121016);国家自然科学基金重点项目(U1610251).


Sealing Performance of Tsliding Ring Combined Seals
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    摘要:

    利用ANSYS建立T形滑环组合密封的二维轴对称有限元模型,将密封结构划分为4个密封区域,研究静、动密封状态下介质压力、密封间隙、摩擦因数和T形滑环斜边与垂直线之间的角度,对组合密封圈密封性能的影响。仿真结果表明,T形滑环组合密封可以满足研究的压力范围下的静、动密封要求。其最大Von Mises应力和最大接触应力随介质压力增大而增大,随密封间隙增大而减小;最大Von Mises应力和最大接触应力随滑环斜边与垂直线之间角度增大而增大,当角度为25°~75°时,组合密封可达到密封要求且滑环不易磨损;摩擦因数越小,组合密封动密封性能越好。

    Abstract:

    The finite element analysis of Tsliding ring combined seal was carried out by ANSYS software,and its twodimensional axisymmetric finite element model was established. The sealing structure was divided into four sealing zones to study the effects of medium pressure,seal clearance,friction coefficient and the angle φ between the inclined edge of Ttype slip ring and the vertical line on sealing performance under static and dynamic seal state.The simulation results show that Tsliding ring combined seal can meet the static and dynamic sealing requirements under the pressure range studied.The maximum Von Mises stress and maximum contact stress are increased with the increasing of the medium pressure and decreased with the increasing of the sealing clearance,and the sealing performance is better when the seal clearance is less than 03 mm.The maximum Von Mises stress and maximum contact stress are increased with the increasing of angle φ,when φ is between 25° and 75°,the combined seal can meet the sealing requirements and the slip ring is not easy to be worn.The smaller the friction coefficient,the better the performance of dynamic seal of the combined seal.

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赵澜,廖瑶瑶,廉自生. T形滑环组合密封圈密封性能研究[J].润滑与密封,2019,44(4):27-32.
. Sealing Performance of Tsliding Ring Combined Seals[J]. Lubrication Engineering,2019,44(4):27-32.

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  • 在线发布日期: 2019-07-04
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