单管塔日常维护整治手册簿

7.4626.2126.9227.7328.016333.532.932.630.6730.4629.2129.9230.7331.01736435.935.533.3433.1231.6732.4233.433.7839438.938.536.3436.1234.6735.4236.436.79424.541.941.539.0138.7837.1337.9839.0839.3910454.544.944.542.0141.7840.1340.9842.0842.391148547.947.4744.6844.4342.5943.4944.7545.091252551.951.4748.6848.4346.5947.4948.7549.0913565.555.955.4452.3552.0950.055152.4352.7814605.559.959.4456.3556.0954.055556.4356.781564663.963.460.0259.7457.5158.5160.160.48本标准适用于螺杆与螺母的加工及检验,单位均为毫米。三、日常维护(一)除锈防腐1.1一般锈蚀的处理:用钢丝刷将锈迹刷干净呈材料本色,再用防锈漆刷两道,干燥后涂黄油用塑料袋包裹扎紧。1.2严重锈蚀的处理:a)用工具将锈蚀物剥落、清理干净;b)用钢丝刷刷到材料本色,如果还有部分丝扣,则涂上两道防锈漆再用黄油或水柏油涂刷后用混凝土浇注;c)如果锈蚀特别严重(如螺栓直径明显缩小),上报维护部,需安排铁塔检测单位对塔体安全进行检测。(二)螺杆螺帽2.1对于现场巡检发现的螺栓外露螺牙不足、螺帽单帽情况(无法安装双螺帽),可采取将螺帽与螺栓直接焊死的方法处理,相关标准要求如下:a)焊死之前,需将铁塔垂直度进行调整,确保垂直符合相关标准要求;b)采用角焊缝围焊,焊角高度≥6mm,焊条宜选用E50型焊条。