罗茨鼓风机维护检修规程1-3-检修与质量标准.pdf

检修与质量标准检修与质量标准1 1拆卸前准备拆卸前准备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 2拆卸与检查拆卸与检查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 3质量标准质量标准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RD-100RD-125KPRD-130RD-150RE-140RE-145RE-150RE-190RE-200KPRE-250P标准间隙（平均值）a10.220.220.220.220.160.160.160.160.160.17a2a3b1b2cdc+d0.260.220.300.300.260.220.300.300.260.220.300.300.260.220.350.350.320.170.400.400.320.170.400.400.320.170.430.430.320.170.430.430.320.170.430.430.320.170.400.400.400.350.530.530.400.350.530.530.400.350.530.530.400.350.530.530.400.350.530.530.400.350.530.530.400.350.530.530.700.360.800.800.700.360.800.800.700.360.800.800.700.360.800.800.500.500.450.450.450.450.500.500.500.500.550.550.550.550.200.250.100.150.400.300.350.100.150.500.400.450.100.150.600.500.550.100.150.700.300.350.150.200.550.350.400.150.200.600.450.500.150.200.700.550.600.150.200.800.600.650.150.200.900.600.650.150.250.900.450.500.200.250.750.550.600.200.250.850.600.650.200.250.900.750.800.200.251.050.800.850.200.251.100.951.000.200.251.250.951.000.200.251.250.850.900.250.301.200.951.000.250.301.300.951.000.250.301.301.151.200.250.301.500.450.650.400.551.20.450.65.450.65.450.65.450.65.630.87.650.800.400.551.200.400.551.200.400.551.200.400.551.200.380.461.330.350.451.25RF-240NSP0.32RF-245RF-250RF-290RF-295RF-300RF-350RG-350RG-400PRG-450RG-500D-36LGA30LGA40LGA60LGA80YP-111N6060G0.320.320.320.320.320.320.320.320.320.320.200.500.200.400.200.400.300.490.300.490.450.550.420.77表3转子之间间隙、转子与机壳、墙板的间隙 mm参数型号GM35SGM90SGM150SGM130SSR-73LSR-73SR-83标准间隙A1A2A3B1B2B3B4C0.150.300.400.350.500.150.20D0.450.500.650.650.750.700.80CD0.600.801.051.001.250.851.000.250.300.300.350.350.400.250.300.500.350.400.200.250.20.250.250.300.250.300.3750.3750.603.4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106170轴向间隙3.5.2 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皮带型别最小值Wmin最大值Wmax5V76.21101.908V211.70271.50190260242903504624b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3050轴承顶间隙0.060.08轴颈80120轴承顶间隙0.120.1650800.080.121201600.160.20c.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。3.8.2齿表面接触沿齿高不小于50%,沿齿宽不小于70%。3.8.3齿顶间隙取0.20.3m(m为模数)，侧间隙应符合表7规定。表7侧间隙 mm中心距侧间隙500.086508080120 120200 200320 320520 5208000.1050.130.170.210.260.34