高速轴承腔气液两相机械密封端面减磨优化设计研究  

Study on Optimization Design of End Face Wear Reduction of Gas-Liquid Two-Phase Mechanical Seal for High Speed Bearing Chamber

作　　者：王通 WANG Tong(Fujian Key Laboratory of Ammunition Engineering and Firearm Design,Yong′an 366000,Fujian,China)

机构地区：[1]福建省弹药工程及枪械设计重点实验室,福建永安366000

出　　处：《工程与试验》2024年第2期78-80,共3页Engineering and Test

摘　　要：机械密封是高速轴承腔中常见的密封方式,但其在实际应用中常面临摩擦和磨损的问题。针对该问题,进行了高速轴承腔气液两相机械密封端面减磨优化设计。首先,深入分析其摩擦状态,在明确磨损机制后,对机械密封端面表面进行处理,以提高其耐磨性和降低摩擦系数。然后,通过引入适当的流体动压设计优化机械密封端面结构。最后,通过适当的润滑剂选择,有效地降低端面温度并减少摩擦热量积聚。同时,优化冷却系统设计,确保密封端面在运行过程中得到充分冷却。通过一系列优化设计,显著减少了机械密封产生的摩擦力,从而确保高速轴承腔气液两相机械密封系统的稳定性和可靠性。Mechanical seal is a common sealing method in high-speed bearing chamber,but it often faces the problems of friction and wear in practical application.Aiming at the above problems,the optimization design of the end face wear reduction of the gas-liquid two-phase mechanical seal for high speed bearing chamber is proposed.Firstly,the friction state is analyzed deeply.After identifying the wear mechanism,the mechanical seal face is treated to improve its wear resistance and reduce the friction coefficient.Then,the mechanical seal face structure is optimized by introducing appropriate hydrodynamic pressure design.Finally,through the appropriate lubricant selection,the end face temperature is effectively reduced and the friction heat accumulation is reduced.At the same time,the cooling system design is optimized to ensure that the seal face is fully cooled during operation.The experimental results show that the friction generated by the mechanical seal can be significantly reduced through a series of comprehensive application of optimization design,so as to ensure the stability and reliability of the gas-liquid two-phase mechanical seal system of the high-speed bearing chamber.

关 键 词：高速轴承 机械密封 优化设计 摩擦磨损 

分 类 号：TH133.3[机械工程—机械制造及自动化]