文档介绍：PRS Bearing
回转支承
Slewing bearing
洛阳普瑞森精密轴承有限公司
LUOYANG PRECISION BEARING CO.,LTD
转盘轴承的结构形式
The structural style of slewing ring
转盘轴承是一种能够同时承受较大的轴向负荷、径向负荷和倾覆力矩等综合载荷的特殊结构的大型轴承。一般情况下,转盘轴承自身均带有安装孔、润滑油孔和密封装置,可以满足各种不同工况条件下工作的各类主机的不同需求;另一方面,转盘本身具有结构紧凑、引导旋转方便、安装简便和维护容易等特点,被广泛用于起重运输机械、港口机械、采掘机械、建筑工程机械和导弹发射架等大型回转装置上。
Slewing Ring is a large-sized bearing with special structure which can sustain presive heavy loadings, like radial loading, axial loading and tangible moment. In the most cases, because of its mounting holes, grease holes and sealing device, they can fullfill the different requirements of any main frame in all kinds of working conditions. In other hands, slewing bearing which have the characteristic of cramped construction,, convenient rotary guide, handy installation and easy maintain are widely used in elevating machinery, harbor machinery, mining machinery, constructional engineering machinery, missile launcher and other large-sized rotators。
转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式;上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。
The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row bined roller slewing bearing according to their different structural styles. According to the with or withour gear and the distrubition of gear, slewing bearing can be divided into without gear, external gear and internal gear。
PRS转盘轴承根据不同的特点可分别满足各种不同负荷条件下工作主机的需求。其中,四点接触球转盘轴承具有较高的动负荷能力,交叉圆柱滚子转盘轴承具有较高的静负荷能力,交叉圆锥滚子转盘轴承其预过盈能使轴承具有较大的支撑刚性和较高的回转精度,三排圆柱滚子组合转盘轴承由于把承载能力的提高引向轴承的高度方向,各种载荷又分别由不同滚道和滚子组承受,所以在同等受力条件下,因而具有使主机更为紧凑的特点,是一种高承载能力的转盘轴承。
PRS Slewing Ring can fullfill the requirements of all kinds loading conditions of working main frames according to the different features。Morever, the four-point contact ball slewing bearing has relatively higher dynamic capacity. The cross