风机用隔爆型三相异步电动机轴承装置设计  

Bearing Device Design of Fan with Flameproof Three-phase Asynchronous Motor

作　　者：宗荣珍[1] 吕德永[1] 刘春玲 

机构地区：[1]南阳理工学院,河南南阳473004 [2]南阳工业学校,河南南阳473000

出　　处：《煤矿机械》2012年第2期161-163,共3页Coal Mine Machinery

基　　金：河南省教育厅自然科学研究计划项目(2010C470002)

摘　　要：研究了风机用隔爆型三相异步电动机轴承装置的复杂受力情况和特殊工作环境。根据具体情况为其选择了特殊的三轴承结构,并率先使用了四点接触球轴承(QJ)。详述了风机用隔爆型三相异步电动机轴承寿命和负荷的计算方法。改进了轴承装置润滑时的注、排油结构,并增设了轴承温度监控仪。轴贯通部分设计时率先使用非电气防爆理论,提高了风机用隔爆型三相异步电动机的防爆、隔爆可靠性。After studying complex stress and special working environment of bearing device of fan with flameproof three-phase asynchronous motor,according to specific circumstances,we chose a special three-bearing structure and first to use a four-point contact ball bearing（QJ）,give details of bearing life and load calculation method of fan with flameproof three-phase asynchronous motor,Improve injection,discharge structure of bearing device and add bearing temperature monitoring instrument.The first use of non-electrical explosion theory of axis part design improves isolating,explosion reliability of fan with flameproof three-phase asynchronous motor.The study provides the reference of bearing device design of fan with flameproof three-phase asynchronous motor.

关 键 词：风机 隔爆型三相异步电动机 轴承装置 设计 

分 类 号：TD44[矿业工程—矿山机电]