门机回转支承更换技术探析  

Analysis about the Replacing Technology of Turning Bearing of Traveling Portal Crane

作　　者：赵宗利[1] 

机构地区：[1]马钢修建工程公司,安徽马鞍山243000

出　　处：《马钢职工大学学报》2003年第3期39-40,44,共3页

摘　　要：通过门机结构和现场情况分析,剖析吊装难题,采用四连杆机构回转倒扳法,检修更换回转支承,实践证明,方案合理可行。The consturction scheme which the reverse pulling method of the four - links framework to truning bearing is used to overhaul and replace the truning bearing is proved to be reasonable by the practice through the analysis of the sturcture of the traveling portal crane, locale situation and difficult problem about lifting.

关 键 词：带斗门座式起重机 回转支承 更换技术 设备维修 技术分析 施工方案 

分 类 号：TH213.4[机械工程—机械制造及自动化]