摘要
为了解决水工闸门滚子轴承的摩擦问题,首先讨论了该摩擦产生的原因,并将其概括为微观滑动、弹性滞后以及黏着效应;然后根据能量守恒原理推导了滚子轴承的摩阻力臂;最后选用常用的滚子轴承材料进行摩阻力臂计算,结果发现滚子轴承的摩阻力臂与打滑比成正比,而与载荷成反比.前者主要是由于打滑比增加时,滚子的微观滑动耗散的能量增加引起的.后者主要是当滚子轴承所承受的载荷增加时,整个接触面内发生微观滑动的面积降低引起的.
In order to solve the problem of the friction of the hydraulic gate roller-bearings ,firstly , the reasons of this friction were discussed ,which can be summarized in three aspects ,scilicet micro-scopic slide ,elastic hysteresis and adhesion effect .Secondly ,principle of conservation of energy was used to deduce the roller-bearings friction-arm .Finally ,the commonly used materials of the roller-bearings were selected to calculate the friction-arm .The result shows that the friction-arm of roller-bearings is directly proportional to the slip ratio ,and inversely proportional to the load .With the slip ratio increasing ,the energy dissipation caused by the microscopic slide will increase ,which causes an increase in the friction-arm .With the load acting on roller-bearings increasing ,the entire contact sur-face area within the microscopic slide will reduce ,which causes a reduction in the friction-arm .
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2014年第10期104-107,共4页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
鲁东大学博士启动基金资助项目(LY2014026)
国家自然科学基金资助项目(50979067
51021004)
关键词
轴承
闸门
摩擦
行走支承
理论模型
能量损耗
bearings
gate
friction
walking support
theoretical model
energy loss
