罗茨鼓风机维护检修规程1-3-检修与质量标准

检修与质量标准1 拆卸前准备1.1 掌握风机运行情况，并备齐必要的图纸资料。1.2 备齐检修工具、量具、起重机具、配件及材料。1.3 切断电源，工艺处理符合安全检修条件。2 拆卸与检查2.1 从风机上拆下所有附件，检查转子之间、转子与侧壁之间间隙。2.2 拆卸联轴节或皮带轮，检查弹性圈或三角皮带。2.3 拆卸齿轮箱，检查齿面及调节齿轮螺栓。2.4 拆卸轴承、轴承箱，检查油封、轴承。2.5 拆卸密封部件，检查迷宫套、动环、静环、0形圈等密封零部件。2.6 拆墙板，检查墙板、转子。3 质量标准3.1 机体3.1.1 机体应无损伤、裂纹。3.1.2 机体安装水平度为0.04mm/m。3.2 转子3.2.1 转子表面应无砂眼、气孔、裂纹等缺陷。3.2.2 转子端面圆跳动值不大于0.05mm。3.2.3 转子进行静平衡或平衡校验。3.3 转子之间间隙、转子与机壳、墙板的间隙应符合表2，表3规定。表2 转子之间间隙、转子与机壳、墙板的间隙 mm 参数型号标准间隙（平均值）a1a2a3b1b2cdc+dRD-100RD-125KPRD-130RD-150RE-140RE-145RE-150RE-190RE-200KPRE-250PRF-240NSPRF-245RF-250RF-290RF-295RF-300RF-350RG-350RG-400PRG-450RG-5000.220.220.220.220.160.160.160.160.160.170.320.320.320.320.320.320.320.320.320.320.320.260.260.260.260.320.320.320.320.320.320.400.400.400.400.400.400.400.700.700.700.700.220.220.220.220.170.170.170.170.170.170.350.350.350.350.350.350.350.360.360.360.360.300.300.300.350.400.400.430.430.430.400.530.530.530.530.530.530.530.800.800.800.800.300.300.300.350.400.400.430.430.430.400.530.530.530.530.530.530.530.800.800.800.800.200.250.300.350.400.450.500.550.300.350.350.400.450.500.550.600.600.650.600.650.450.500.550.600.600.650.750.800.800.850.951.000.951.000.850.900.951.000.951.001.151.200.100.150.100.150.100.150.100.150.150.200.150.200.150.200.150.200.150.200.150.250.200.250.200.250.200.250.200.250.200.250.200.250.200.250.250.300.250.300.250.300.250.300.400.500.600.700.550.600.700.800.900.900.750.850.901.051.101.251.251.201.301.301.50D-36LGA30LGA40LGA60LGA80YP-111N6060G0.200.500.200.400.200.400.300.490.300.490.450.550.420.770.500.450.450.500.500.550.550.500.450.450.500.500.550.550.450.65.450.65.450.65.450.65.450.65.630.87.650.800.400.550.400.550.400.550.400.550.400.550.380.460.350.451.201.201.201.201.201.331.25 表3 转子之间间隙、转子与机壳、墙板的间隙 mm 参数 型号标准间隙A1A2A3B1B2B3B4CDCDGM35SGM90SGM150SGM130SSR-73LSR-73SR-830.250.300.300.350.350.400.250.300.500.350.400.200.250.20.250.250.300.250.300.3750.3750.600.150.300.400.350.500.150.200.450.500.650.650.750.700.800.600.801.051.001.250.851.003.4 轴3.4.1 轴表面应光滑无磨痕及裂纹等现象。3.4.2 轴颈的圆柱度不大于轴径公差之半。3.4.3 轴的同轴度为0.03mm/m。3.5 联轴器或V形皮带3.5.1 联轴器a.联轴器的对中，径向圆跳动误差为0.06mm，端面圆跳动误差为0.05mm。b.联轴器安装时的轴向间隙应符合表4。 表4 联轴器安装时的轴向间隙 mm联轴器最大外圆直径106170190260290350轴向间隙2424463.5.2 V形皮带a.皮带的张紧力W 适度或如表5；在L的中心位置朝垂直于皮带的方向加力W，使这点的挠度达到 = 0.016L,则所加力W 应符合表5。 表5 皮带的张紧力 N皮带型别5V8V最小值Wmin76.21211.70最大值Wmax101.90271.50b皮带槽中心偏差不大于0.05mm/100mm。3.6 轴承3.6.1 滚动轴承a.滚动体与滚道表面应无磨痕、麻点、锈蚀，保持架无变形、损伤。b.滚动轴承内圈与轴采用H7/k6配合，轴承座与轴承外圈采用H7/h6配合。c.滚动轴承安装必须紧靠在轴肩或轴肩垫上。d.热装轴承温度不大于120C，严禁用直接火焰加热。3.6.2 滑动轴承a.刮研后瓦面印迹均匀，一般不小于23点cm2，其接触角一般为6090C.b.轴承顶间隙见表6。 表6 轴承顶间隙 mm轴颈轴承顶间隙轴颈轴承顶间隙305050800.060.080.080.12801201201600.120.160.160.20c.侧间隙为顶间隙1/2。d.轴承衬与轴承衬背应接触良好，接触面积一般在60%以上。3.7 密封装置3.7.1 V形环与轴的过盈尺寸一般为0.1 mm。3.7.2 迷宫式密封轴套两端的平行度不大于0.01mm,密封环座与轴套的轴向间隙一般0.20.5mm。3.7.3 机械密封组装后，在密封动环部位对轴中心线径向跳动不得大于0.06mm。3.8 同步齿轮3.8.1 齿轮用键固定后径向位移不超过0.02mm。3