煤矿机电设备检修技术规范(合订卷).doc

该【煤矿机电设备检修技术规范(合订卷) 】是由【山清水秀教育】上传分享，文档一共【51】页，该文档可以免费在线阅读，需要了解更多关于【煤矿机电设备检修技术规范(合订卷) 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。煤矿机电设施检修技术规范(通用合订卷)煤矿机电设施检修技术规范TechnicalCodeforMaintenanceofCoalMineMechanical&ElectricalEquipment(通用设施部分)编制单位:编制人员:审查人员:目次1总则····························12通用部分········································································123固定设施·····························································································································364运输设施··················································、转载机·························································································································(无极绳)·····························································545采掘设施··········································································································································································································876电气设施·····················································89矿用隔爆型高压配电装置·················89矿用高压开关柜·····················94矿用隔爆型低压交流真空开关···············99挪动变电站用开关···················1046-10kV成套配电装置···································113漏电保护装置··············································114户外6—10kV及以下变压器··············114矿用油侵三相电力变压器··············117矿用隔爆型挪动变电站及矿用隔爆型干式变压器·······························122交流电动机······················122直流电动机··············································130隔爆充电机······················130矿用隔爆型照明信号综合保护装置············131矿用隔爆型检漏继电器·················1327煤矿地面工程机械·······································1348规范性附录·······················143附录A煤矿电气设施有关标准、规程、规定··········143附录B真空开关试验方法··················144附录C干式变压器主要绝缘资料表··············146附录D瓷套管灌输工艺···················147附录E本规范使用的计量单位及符号说明···········;可作为制定设施检修细则、检修操作规程和设施圆满标准的依据,亦可作为设施检修项目查收依据。《煤炭法》、《矿山安全法》、《煤矿安全督查条例》、《煤矿安全规程》等煤炭法律、法例、规程和管理标准,履行国家和有关煤炭行业的所有技术标准。。《煤矿矿井机电设施圆满标准》、《煤矿安全质量标准化标准核查评级方法》及其余有关标准的要求。;有关设施、零件、资料符合“煤矿矿用产品安全标记”的要求,符合阻燃和抗静电的要求,符合有关设施检修资质管理的要求。。。,本《规范》仅供参考。。、安全防备、劳动卫生及环境要求等必然依据国家和有关行业标准履行。、节能,坚持绿色环保和连续发展。、坚固靠谱。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,赞成扩孔,增大螺栓直径,但不可以因扩孔而影响被扩工件的机械强度和工作性能。螺母必然拧紧,拧紧后螺栓的螺纹应露出螺母1~3个螺距,不得在螺母下加节余的垫圈来减少螺栓露出长度。螺栓不得曲折,螺纹损害不得超出螺纹工作高度的1/2,且连续不得超出一周。。沉头螺栓拧紧后,沉头部分不得凸出连结件的表面。螺纹表面必然光洁,不得用粗制螺纹取代精制螺纹。同一部位的紧固件规格必然一致,材质必然知足设计要求。主要连结部位或受冲击载荷简单松动部位的螺母,必然使用防松螺母或其余防松方法。使用花螺母时,张口销应符合要求。使用止动垫圈时,包角应坚固;使用铁丝锁紧时,其拉紧方向必然和螺栓方向一致,接头应向内曲折。弹簧垫圈应有足够的弹性(自由状态张口重叠部分不得大于垫圈厚度的1/2)。螺栓头部或螺母必然和相接触的零件紧贴。如该处为斜面时,应加相同斜度的斜垫。铆钉必然不生锈,不变形,紧固有效,铆接对口不得有错动印迹。定位销和定位孔相符合,不松旷。键和键槽键的表面应圆滑平坦,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。键和轮毂键槽规格和公差符合标准。键和键槽之间不得加垫。平键键槽磨损后,赞成加宽原槽的5%。轴2及轮毂的键槽宽度应一致。装置楔键和切向键时,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%(钩头键不包含钩头的长度)。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。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。三角带传动装置三角胶带主、%。两带轮相应沟槽中心线应付正,轴向错位允差:中间心距≤,中间心距≥500mm时为2mm。各三角胶带松紧应基本一致,以(150~200)N的力,按压每根胶带中段,压下距离之差不大于(15~25)mm。运行中被动轮的实质转数,不该低于计算值的97%。三角胶带轮毂、轮缘及辐条不得有裂纹。三角胶带轮沟槽槽底与胶带之间应按规定保持必然空隙。小于规定间隙时应进行改换,或用加深槽部的方法进行维修,但轮缘厚度不得小于原厚度的80%。轴和轴承轴轴不得有裂纹、严重腐化或损害,直线度应符合技术文件的要求。轴颈加工减小量不得超出原轴颈的5%。轴与轴孔的配合应符合技术文件要求。超差时,赞成采纳涂镀、电镀或喷涂工艺等进行修复。在强度赞成条件下,也可采纳镶套办理,但不得用电焊维修。轴颈的圆度和圆柱度,除技术文件规定外,必然符合表1规定。表1轴颈圆度和圆柱度单位为毫米轴颈直径80~120120~180180~250250~315315~400400~≤。滑动轴承轴瓦合金层与轴瓦应坚固粘合,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、严要点蚀或伤痕。在以下状况下赞成用焊接方法修复。局部出现三个以下分布气孔,其最大尺寸不大于2mm,且互相间距不小于15mm。仅在端角处有稍微裂纹。2剥落面积不超出1cm而且不多于三处。轴颈与轴瓦的顶空隙超出表2的最大值时,应调整垫片。垫片重叠数目不得超出4片。不可以用垫片调整的轴瓦,其顶空隙超出最大磨损空隙时,应改换轴瓦。轴瓦的侧空隙约为顶空隙的1/2。表2轴颈与轴瓦的顶空隙单位为毫米轴颈直径顶空隙最大磨损空隙>30~~>50~~>80~~>120~~>180~~>250~~>315~~>400~~~120o的接触弧面,接触长度不得小于轴瓦长度的80%。轴瓦润滑油的油量要适合,油质应符合规定。轴承座不得漏油。采纳油圈润滑方式的轴瓦,油圈要转动灵巧,油圈不得有裂纹。采纳压力润滑时,油质、油压应符合规定,油路应畅达。轴瓦温度探头安装地点必然正确,该探头必然与轴瓦直接接触。转动轴承轴承元件不得有裂纹、零落、伤痕、锈斑、点蚀或变色等。保持架4应圆满无变形。转动灵巧,无异响。轴承内圈与轴颈、轴承外圈与轴承座的配合应符合技术文件规定;无详细规准时,应符合表3及表4的规定。不得采纳在轴颈上打麻面或加垫的办法来办理该项配合出现的空隙。转动轴承径向磨损空隙不得超出表5的规定。安装圆锥滚柱轴承时,必然用垫调整轴向空隙,使其符合设计图纸要求;无规准时,应符合表6的规定。表3轴承内圈与轴颈配合(k6)单位为毫米轴承内径配合过盈量>30~~>50~~>80~~>120~~>180~~(J7)单位为毫米轴承外径配合空隙(+)或过盈量(-)mmmm>30~50+~->50~80+~->80~120+~->120~150+~->150~180+~->180~250+~->250~315+~->315~400+~->400~500+~->30~406080708540533346>40~507510080**********>50~659012090**********>65~80110145100**********>80~100135180110**********>100~120160210125165831146697>120~140190240145190**********>140~160220280165215**********>160~180240310170220102147>180~200260340195250117163>200~225290380220280140195>225~250320420235300160225>250~280350460260330170245>280~315370500275350190270>315~355410550305385210300>355~400450600370460240340表6圆锥滚柱轴承轴向空隙单位为毫米轴承内径轴向空隙>30~~>50~~>80~~>120~~>180~~≤,轴承座孔的表面粗拙度Ra≤。轴承润滑的油量要适合,油质应符合规定,轴承座不得漏油。装置时应将轴承上注有字样的端面朝外,轴承应紧贴在轴肩或间隔套上,不得有空隙(可调整的轴承例外)。滚针轴承的表面不得有划痕或退火现象。拆卸时不得混套,应原套装在原轴上。。。轴承在运行中应无异样响声,轴在轴承上的振幅不得超出表7的规定。运行中的温度:转动轴承不得超出75oC;滑动轴承不得超出65oC,或按厂家技术6