煤矿机电设备检修技术规范

1附件二：《煤矿机电设备检修技术规范》煤矿机电设备检修技术规范目录(合订本)1总则·····························12通用部分···························22.1机械通用部分························22.2电气通用部分·······················133固定设备··························203.1矿井提升机························203.2主要通风机························303.3水泵···························333.4空气压缩机························424运输设备··························534.1带式输送机························534.2刮板输送机、转载机····················564.3窄轨电机车························594.4斜井人车·························634.5平巷人车·························654.6矿车···························664.7运输绞车·························684.8绳牵引连续运输车·····················704.9卡轨车··························724.10架空乘人装置·······················744.11齿轨车··························754.12无轨胶套轮机车······················764.13单轨吊··························7825采掘设备zxbm························805.1液压支架·························805.2采煤机··························855.3装煤机··························945.4装岩机··························975.5掘进机··························1005.6单体液压支柱·······················1045.7乳化液泵站························1086电气设备··························1116.1开关···························1116.1.1矿用隔爆型高压配电装置·················1116.1.2高压开关柜·······················1166.1.3矿用防爆型低压交流真空开关···············1216.1.4移动变电站用开关····················1276.1.56-10kV成套配电装置···················1296.1.60.4kV成套配电装置···················1366.1.7漏电保护装置······················1376.2变压器··························1376.2.1户外6—10kV及以下变压器················1376.2.2矿用油侵三相电力变压器···············1406.2.3矿用隔爆型移动变电站及矿用隔爆型干式变压器·······1436.3电动机··························1456.3.1交流电动机·······················1456.3.2直流电动机·······················1506.4辅助设备·························1546.4.1防爆充电机·······················1546.4.2矿用隔爆型煤电站综合保护装置··············1556.4.3矿用隔爆型照明信号综合保护装置·············1566.4.4矿用隔爆型检漏继电器··················15736.4.5通信设备························1606.4.6监测监控设备······················1687露天煤矿设备························1727.1P＆H2800XP电铲······················1727.1.1电铲机械························1727.1.2电铲电气························1867.2运输卡车·························2007.2．1170D/730E卡车机械·················2007.2．2170D/730E卡车电气··················2117.2．3CAT789机械传动卡车··················2207.3工程机械·························2257.3．1工程机械通用技术规范··················2257.3．2卡特彼勒994装载机···················2347.3．3卡特彼勒DIOR(3SK系列)履带式推土机···········2387.3．4卡特彼勒（16H）平路机·················2448附则····························249附录1、煤矿电气设备有关标准、规程、规定···········249附录2、CKJ系列交流真空接触器维修、检修技术规范········251附录3、真空开关试验方法···················260附录4、干式变压器主要绝缘材料表···············262附录5、瓷套管灌注工艺····················262附录6、低浓度甲烷传感器调校方法···············262附录7、本规范使用的计量单位及符号说明············264451总则1.1本《规范》依据国家发改委2004年度计划（发改办工业[2004]第1951号文件）组织制定。1.2本《规范》以原煤炭部1987年颁发的《煤矿机电设备检修质量标准》为基础进行修改制定，并增补了露天煤矿设备等检修内容。1.3在检修煤矿设备时必须坚持安全第一的原则，不安全不准检修。1.4煤矿设备检修必须要有计划、有组织、有安全措施，有主管领导现场指挥。1.5煤矿设备检修必须严格执行《煤矿安全规程》设备检修安全和有关规定。1.6本《规范》仅适用于煤矿机电设备检修（即大修），可作为设备检修后验收的技术依据。设备检修后及设备运行中应达到《煤矿矿井机电设备完好标准》、《煤矿安全质量标准化标准考核评级办法》及其它相关标准的要求。1.7防爆型电气设备检修后应达到防爆性能要求；有关设备、部件、材料符合“煤矿矿用产品安全标志”的要求，符合阻燃和抗静电的要求，符合有关设备检修资质管理的要求。1.8依照本《规范》检修的设备在出厂前应做整机空载和加载运行试验。1.9引进设备的检修应依据外企厂商相关技术文件的要求，本《规范》仅供参考。1.10本《规范》通用部分的技术要求和计量单位等执行国家或有关行业的技术标准。1.11本《规范》执行《煤炭法》、《矿山安全法》、《煤矿安全监察条例》、《煤矿安全规程》等煤炭法律、法规、规程和管理标准，执行所有相关MT煤炭行业技术标准。1.12本《规范》可作为企业制定设备检修细则、检修操作规程和设备完好标准的依据。1.1335kV以上的电气设备检修应执行电力行业的有关技术标准。1.14检修人员的劳动保护、安全防护、劳动卫生及环境要求等必须按照国家和有关行业标准执行。1.15检修工作提倡设备效能、节能，坚持绿色环保和持续发展。2通用部分2.1机械通用部分2.1.1紧固件2.1.1.1螺纹连接件和锁紧件必须齐全、牢固可靠。螺栓头部和螺母不得有铲伤、棱角严重变形。螺孔乱扣、滑扣时，允许扩孔，增大螺栓直径，但不能因扩孔而影响被扩工件的机6械强度和工作性能。2.1.1.2螺母必须拧紧，拧紧后螺栓的螺纹应露出螺母1～3个螺距，不得在螺母下加多余的垫圈来减少螺栓露出长度。2.1.1.3螺栓不得弯曲，螺纹损伤不得超过螺纹工作高度的1/2，且连续不得超过一周。连接件螺栓的螺纹旋入孔内长度不得小于螺纹直径的1.5倍。沉头螺栓拧紧后，沉头部分不得凸出连接件的表面。2.1.1.4螺纹表面必须光洁，不得用粗制螺纹代替精制螺纹。2.1.1.5同一部位的紧固件规格必须一致，材质必须满足设计要求。主要连接部位或受冲击载荷容易松动部位的螺母，必须使用防松螺母或其它防松方法。2.1.1.6使用花螺母时，开口销应符合要求。使用止动垫圈时，包角应稳固；使用铁丝锁紧时，其拉紧方向必须和螺栓方向一致，接头应向内弯曲。2.1.1.7弹簧垫圈应有足够的弹性（自由状态开口重叠部分不得大于垫圈厚度的1/2）。2.1.1.8螺栓头部或螺母必须和相接触的部件紧贴。如该处为斜面时，应加相同斜度的斜垫。2.1.1.9铆钉必须不生锈，不变形，紧固有效，铆接对口不得有错动痕迹。2.1.1.10稳钉和稳钉孔相吻合，不松旷。2.1.2键和键槽2.1.2.1键的表面应光滑平整，规格符合要求，四角倒棱，材质的抗剪切强度不得低于45号钢的剪切强度。2.1.2.2键和轮毂键槽规格和公差符合标准。2.1.2.3键和键槽之间不得加垫。平键键槽磨损后，允许加宽原槽的5％。轴及轮毂的键槽宽度应一致。2.1.2.4装配楔键和切向键时，键初打入键槽的长度，不得小于键全长的80％，不得大于键全长的95％（钩头键不包括钩头的长度）。键与轮毂的接触长度不得小于轮毂宽度的80％。花键的接触齿数应不小于总齿数的2/3。2.1.2.5平键键槽的中心线与轴的轴心线的平行度、平键和键槽配合公差，均应符合技术文件的规定。2.1.3三角带传动装置2.1.3.1三角胶带主、被动轮轴轴心线平行度不超过1‰。72.1.3.2两带轮相应沟槽中心线应对正，轴向错位允差：当中心距≤500mm时为1.5mm，当中心距≥500mm时为2mm。2.1.3.3各三角胶带松紧应基本一致，以150～200N的力，按压每根胶带中段，压下距离之差不大于15～25mm。运转中被动轮的实际转数，不应低于计算值的97％。2.1.3.4三角胶带轮毂、轮缘及辐条不得有裂纹。2.1.3.5三角胶带轮沟槽槽底与胶带之间应按规定保持一定间隙。小于规定间隙时应进行更换，或用加深槽部的方法进行修理，但轮缘厚度不得小于原厚度的80％。2.1.4轴和轴承2.1.4.1轴2.1.4.1.1轴不得有裂纹、严重腐蚀或损伤，直线度应符合技术文件的要求。轴颈加工减小量不得超过原轴颈的5％。2.1.4.1.2轴与轴孔的配合应符合技术文件要求。超差时，允许采用涂镀、电镀或喷涂工艺等进行修复。在强度许可条件下，也可采用镶套处理，但不得用电焊修理。2.1.4.1.3轴颈的圆度和圆柱度，除技术文件规定外，必须符合表2－1－4－1规定。表2－1－4－1轴颈圆度和圆柱度单位mm轴颈直径80～120120～180180～250250～315315～400400～500圆度和圆柱度新装轴磨损极限0.0150.1000.0180.1200.0200.01500.0230.2000.0250.2200.0270.2502.1.4.1.4轴颈表面粗糙度Ra≤0.8μm。2.1.4.2滑动轴承2.1.4.2.1轴瓦合金层与轴瓦应牢固粘合，不得有脱壳现象。轴瓦合金层表面不得有夹杂物、气孔、裂纹、剥落、严重点蚀或伤痕。在下列情况下不允许用