美国施必牢防松螺母在煤矿井筒装备上的应用  

Application of Spiralock Nuts to Well Equipment in Coal Mine

作　　者：朱述川 刘自富 

机构地区：[1]兖州煤业公司东滩矿,山东兖州272200

出　　处：《煤矿机械》2006年第1期161-162,共2页Coal Mine Machinery

摘　　要：矿井罐道固定用的螺栓副,以前使用尼龙螺母、变形螺母,收效甚微。采用施必牢螺母后,由于它结构特殊,牙根处有一个30°楔形斜面,螺栓牙尖紧紧地顶在斜面上,具有独特的防松效果,经2003年9月开始使用至今,防松效果很好,有效地解决了井筒设备的安全问题。To prevent the bolt set loosening problem, the nylon and size changeable nuts have been used on well equipments, but it could not get the good results. From 2003/9 to present. Spiralock nuts were applied on the well equipments, due to its unique design, adding a unique 30 - degree wedge ramp at the root of the thread, successfully combats fastener loosening, achieved very good results and resolved well equipment safety problem.

关 键 词：施必牢螺母 井简装备 防松 

分 类 号：TD262.4[矿业工程—矿井建设] TH131.3[机械工程—机械制造及自动化]