我单位锅炉配套的引风机地脚螺栓折断一根,其折断位置距轴承座基孔上部20mm处。虽可勉强旋上一螺母,但运行一段时间后就松脱导致垫铁滑出,风机运行振动严重无法继续使用。对此,我们采用如图所示的焊接结构螺栓。这种修复方法时间快、费用低、效果好。现介绍如下: 1.将轴承座垫高20～30mm,在原基础螺栓处凿出如 I unit boiler supporting the induced draft fan anchor broken a broken position away from the base bearing hole 20mm at the top. Although it can barely screw a nut, but after a period of time to run loose lead to horn out, the fan can not continue to use serious vibration. In this regard, we use the welding structure as shown in the bolt. This method of repair time, low cost, effective. Now introduced as follows: 1. The bearing seat up 20 ~ 30mm, the original base of the bolt hewn out