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电动闸阀发生故障的原因分析及应对
发布时间:2019-09-13   点击次数:300次

足球彩票     1 GAISHU

​    MOUCHANGXIANCHANGSUOSHIYONGDESONGSHUIBENGCHUKOUDIANDONGFASHIRIBENZHIZAODE,XINGSHIWEIANGANXIESHIDIANDONGZHAFA,GONGCHENGZHIJING 450mm,SHULIANGGONGYOU 7 TAI,YOUYUSHIYONGSHIJIANJIAOZHANG,FAMENDEXINGNENGYOUSUOXIAJIANG,YU 2003 NIAN 4 YUEHE 5 YUEFENBIEJIANG 4 HAO、5 HAOCHUKOUDIANDONGFAGENGHUANWEIGUOCHANJIAN。ZICONGGUOCHANJIANGENGHUANSHANGYILAI,4 HAOHE 5 HAOCHUKOUDIANDONGFAGUZHANGBUDUAN,TONGTAOPINFANDECHUXIANMOSUN、JIANDUAN(BAYA)XIANXIANG,ZHISHIZHABANCONGFAGANSHANGTUOLUO,ZHABANSHIKONG,DAOZHIFAMENWUFAKAIQI。

    2 YUANYINFENXI

足球彩票     CONGLILUNSHANGJIANG,TONGTAOZAIGONGZUOSHISHIFAGANLUOWENCHUANDIDEJIYALI、MOXUELIHEZHOUXIANGJIANQIELIDENGZUOYONGZAITONGTAOSHANGERSHIZHISUNHUAI,DANZAISHIJISHENGCHANZHONGHAICUNZAIZHEXUDUOYINSU。BIRUTONGTAOJIAGONGZHILIANGBUHAO(YAXINGPIANCHADA、GUANGJIEDUCHA、ZHUZAOQUEXIAN)、XINGCHENGKAIGUANDIAOZHENGBUDANG、GONGZUOHUANJINGCHADENG。

    TONGGUODUIXIANCHANGSHEBEISUNHUAIQINGKUANGHESHIJIGONGKUANGDEFENXI,RENWEIZHUYAOYUANYINYINGGAISHIYIXIALIANGZHONGYUANYINZHIYI:

    一是传动螺纹的表面所承受的载荷大于本身表面承受载荷的设计值。每一次开、关阀门足球彩票,铜套的螺纹就受到一次强烈的挤压磨削,而使传动螺纹磨削变形,强度下降,最后导致铜套损坏。通过对已损坏铜套的直观检查来看,其创口并非完全是硬性磨损,而存在着明显的磨削变形、挤压变形(见图 1)。

 

电动闸阀发生故障的原因分析及应对.png

    TU 1 XINJIUTONGTAODUIBITU

足球彩票     ZHENDUIZHEIZHONGQINGKUANGKEYICAIQUTIGAOTONGTAOZHILIANGDEBANFALAIZENGJIATONGTAODEQIANGDU,SHITONGTAODANWEIMIANJISUONENGCHENGSHOUDEZAIHESHANGSHENG,YOUXIAOBIMIANTONGTAODEMOSUN。DANSHIYOUYUYAOBAOHUFAGAN,TONGTAODEYINGDUBUNENGTAIGAO,ERQIESHOUDAOZHIZAOGONGYIHECAILIAODEXIANZHI,TONGTAODEYINGDUYEBUKENENGYOUJIDADETIGAO。

足球彩票     DANGRANYEKEYICAIQUZENGJIATONGTAOLUOWENDEHOUDU,JIZENGJIATONGTAODEMOSUNYULIANG,TONGYANGKEYIDADAOYANZHANGSHIYONGSHOUMINGDEMUDE,ZHISHIFANGSHIFANGFASHANGJIAOWEIBEIDONG,BINGMEIYOUCONGGENMUSHANGJIEJUEWENTI。

ERSHIFAMENXUANXINGBUDANG。XINGENGHUANFAMENDEFABANYUFAZUOCHUCAIYONGDESHISHUANGXIEYINGMIFENGXINGSHI,RUTU 2 SUOSHI,SHUANGXIESHIDEMIFENGXINGSHIJIFABANYUFAMENDELIANGGEDUANMIANDOUJUYOUYIDINGDEXIEDU。

电动闸阀发生故障的原因分析及应对1.png

    TU 2 SHUANGXIEYINGMIFENGJIEGOUTU

足球彩票     LILUNSHANGJIANGCAIYONGSHUANGXIEXINGSHIDEFAMENQIBIJIANGJIAOWEISHENGLI,YINWEIMENBANYIDANKAIQI.FABANSHANGSHENGHOU.FABANHUILIJIYUFAZUOTUOLIJIECHU,ZAIFAMENKAIQIHEGUANBIDEGUOCHENGZHONGFABANYUFAMENBUJIECHU,YINCIDONGZUOJIAOWEISHENGLI。DANSHIZAISHIJIDESHIYONGGUOCHENGZHONG,YOUYUFAMENZAIKAIQIHEGUANBIDEGUOCHENGZHONGSHOUDAOJINKOUCHUSHUILIUDECHONGJI,FABANJIANGXIANGCHUKOUCHUPIANYI,YOUCIZAOCHENGFABANDINGBUDETONGTAOYUFAGANDENIEHECHANSHENGBIANHUA,SHAHEDEXIAOGUOXIAJIANG。TONGTAOLUOWENYUFAGANLUOWENZAIZHENGCHANGQINGKUANGXIAYINGGAIRUTU 3 SUOSHI,LUOWENSHIQUANMIANJIJINXINGJIECHUDE,ERSHUANGXIESHIDEZHAFAZAIDONGZUOGUOCHENGZHONGLUOWENSHIJIDEJIECHUQINGKUANGRUTU 4 SUOSHI,JIECHUDEMIANJIDAWEIXIAJIANG,DANWEIMIANJISHANGSUOCHENGSHOUDELIDAFUSHANGSHENG,YUANCHAOCHULUOWENBIAOMIANQIANGDUSUONENGCHENGSHOUDEFANWEI,TONGSHILUOWENDEDINGBUZHIJIECANYUNIEHE,ZAOCHENGLUOWENDEMOSUNDAWEIJIASU.SHIYONGSHOUMINGXIANZHUXIAJIANG。

电动闸阀发生故障的原因分析及应对2.png

足球彩票     TU 3 TONGTAOYUFAGANLUOWENZHENGCHANGNIEHETU

电动闸阀发生故障的原因分析及应对3.png

    TU 4 TONGTAOYUFAGANLUOWENSHIJINIEHETU

足球彩票     ERZAISHIJISHIYONGZHONGYOUYUGONGSHUIGUANWANGZHUYAOSHIKONGZHIYALI,ZAISONGSHUIBENGDELIUPENYUYALIWUFAJINXINGDIAOJIEDEQINGKUANGXIA,ZHINENGTONGGUODIAOJIEGAIFAMENDEKAIDULAIKONGZHIYALI,GUGAIFAMENZAIDANXIANGSHOUYADEQINGKUANGXIAPINFANDONGZUO,SUOYIZAIDUANSHIJIANNEITONGTAOWANQUANSHIXIAOYEJIUBUZUWEIGUAILE。

    ZHENDUIZHEIZHONGQINGKUANGKEYICAIYONGZENGJIATONGTAOZHANGDUDEFANGFA。ZENGJIATONGTAODEZHANGDUKEYIGAISHANTONGTAODEDAOXIANGXING,ZAIYIDINGCHENGDUSHANGKEYIGAISHANTONGTAODESHAHEZHUANGKUANG。DANSHITONGTAODEZHANGDUDAODALEYIDINGZHIHOU,GAISHANDAOXIANGZUOYONGDEXIAOGUOJIANGBUZAIMINGXIAN。TONGSHITONGTAOCHICUNGUOZHANGHOUHUIZAOCHENGJIAGONGKUNNAN,JIAGONGJINGDUBURONGYIKONGZHI,FANERHUIDAOZHILUOWENSHOULIJIZHONGZAIJIGECHISHANG,SHITONGTAODESHOULITIAOJIANGENGJIAEHUA。

    3 DUICECUOSHI

    TONGGUODUITONGTAOCAIZHIHESHOULIQINGKUANGDEFENXIHEJISUAN,DIYIZHONGCHUANDONGLUOWENDEBIAOMIANSUOCHENGSHOUDEZAIHEDAYUBENSHENBIAOMIANCHENGSHOUZAIHEDESHEJIZHIDEQINGKUANGKEYIPAICHU.YINCIZAOCHENGTONGTAODUANQINEIXUNSUSHIXIAODEYUANYINJIUYINGGAISHIXUANXINGBUDANGZAOCHENGDE。

 

YOUYUZENGJIATONGTAOZHANGDUDEFANGFACHENGBENJIAOGAO,SUOYIWEILEBIMIANFABANZAIDONGZUOGUOCHENGZHONGCHANSHENGPIANYI,ZUIZHONGHAISHIDUIFAMENDEJIEGOUJINXINGLEGAIJIN,JIANGYUANLAIDESHUANGXIESHIMIFENGMIANGAIWEIRUTU 5 SUOSHIDEDANXIESHIMIFENGXINGSHI。

 

TU 5 DANXIESHIMIFENGJIEGOUTU

TU 5 DANXIESHIMIFENGJIEGOUTU

 

足球彩票 ZAIJINSHUIKOUCHUMIFENGMIANSHIQINGXIEDE,ZAICHUSHUIKOUCHUMIFENGMIANSHIPINGDE。CAIYONGZHEIZHONGXINGSHIDEMIFENGMIAN,ZAIFAMENDEKAIBIGUOCHENGZHONG.FABANSHOUJINKOUCHUSHUILIUDECHONGJIZUOYONG.JINKOUCHUDEQINGXIEMIFENGMIANTUOLIJIECHU,BUSHOUMOSUN,FABANYANZHECHUKOUCHUDEPINGMIANSHANGXIAYUNDONG.YOUYUYOUCHUKOUCHUDEPINGMIANZUOWEIYIKAO,ERQIEZAIFABANDECEMIANHAIJIAZHUANGLEDAOXIANGCAO,FABANBUHUICHANSHENGPIANYI。GUBAOZHENGLETONGTAOYUFAGANDAMIANJIDEJIECHU,YOUXIAOJIANGDILELUOWENDANWEIMIANJISHANGSUOCHENGSHOUDELI。ERZAIFAMENGUANBIYIHOU,FAMENDECHUSHUIKOUCHUSHOUSHUIYAZUOYONG,FABANYUJINKOUCHUDEQINGXIEMIFENGMIANJINMIJIECHU。YOUYUZAIKAIBIGUOCHENGZHONGGAIMIFENGMIANBUJIECHU,BUHUIMOSUN,ZHANGQISHIYONGHOUFAMENDEMIFENGXIAOGUOYEBUHUIXIAJIANG。

 

DANGRANYEKEYISHIYONGPINGBANZHAFALAIDAITISHUANGQIEZHAFA,DANSHIPINGBANZHAFABENSHENZAOJIAJIUGAO.TONGSHIQIBISUOXUNIUJUYEJIAODA.XUYAODUIDIANDONGZHIXINGJIGOUJINXINGGENGHUAN.CHENGBENJIAOGAO。ERQIEPINGBANZHAFAMIFENGMIANDEMOSUNYEJIAODA,ZHANGQISHIYONGHOUMIFENGXIAOGUOXIAJIANGJIAOKUAI。

 

4 JIESHUYU

 

ZHAFABENYINGGAISHIZAIGUANLUXITONGZHONGQIDAOJIEZHIHEKAIFANGJIEZHIZUOYONGDE,RANERYOUYUSHOUDAOSHENGCHANGONGYIDEYAOQIUHEXIANCHANGSHIJIQINGKUANGDEXIANZHI,BENWENZHONGSUOTIDAODEZHAFAYEQIDAOLEYIDINGDEKONGZHILIULIANGDEZUOYONG,SUOYIZAISHIYONGGUOCHENGZHONGDONGZUOJIAOWEIPINFAN,PUTONGXINGSHIDESHUANGXIEZHAFAHEPINGBANZHAFAJUNNANYISHIYONG。CAIYONGDANXIESHIMIFENGDEFAMENHOU,FAMENTONGTAODESHOUMINGDEDAOLEJIDADETIGAO,MIFENGXIAOGUOYOULEJIDADEGAISHOU,HENHAODEJIEJUELEXIANCHANGDEJISHUNANTI。

 

足球彩票     2 ZHAFAFAZUOSHOULIFENXI

    SHUANGCEMIFENGSHIZHAFASHITONGGUOZENGQIANGFABANDUIFAZUODETUILIERSHIXIANDE,JIECHUYALIYINGDAYUJINKOULIUTIDEYALI。ZHEIZHONGZHAFADEQUEDIANSHI,RUGUOZAILENGTAIXIABIHE,HOULAIJINRURETAI,FABANJIUHUICHUXIANPENGZHANG,YUSHIXINGCHENGBIHEWEIZHIKAJIN,DANGZAICIKAIQIFAMENSHIJIUHUIYUDAOKUNNAN,ZHEIZHONGQINGKUANGJIUSHISUCHENGDE“XIAKANG”。LIANGHAOZHUANGTAIDEZHAFADOUSHISHIXIANDANCEMIFENG。PINGXINGSHIZHAFAYEZHINENGYUCHUKOUWEIZHIDEFAZUOSHIXIANDANCEMIFENG。BIAOZHUNDEXIESHIFABANZHAFAQINGKUANGYEYIYANG,YALISHIJINKOUCEFABANBIANXING,LIUTILIUGUOJINKOUCEFABANZHIZHIFAQIANGDADAOYALIPINGHENG。YOUCIYINCHUCHUKOUCHUFAZUOSHOUJIEZHIWAIYAZUOYONGERCHANSHENGDEQIANGDUWENTI。

 

闸阀阀座受外压作用分析1.png

    TU 1 SHIXIANDANCEMIFENGDECHANFA

    RUTU 1 SUOSHI,JIEZHIJINRUFATIZHONGQIANGHOU,ZUOYONGYUCHUKOUCE(ZUOCE)DEFABAN,ZAIZUOCEFAZUOYUFABANMIFENGMIANCHUXINGCHENGYIGEMIFENGBIYA,ZUZHIJIEZHIDELIUTONG。TONGSHIJIEZHIZUOYONGYUFATIYUZUOCEFAZUOZHIJIANDEJIANXI,SHIZUOCEFAZUOWAICESHOUDAOJIEZHIYALIDEZUOYONG。ZAIDUIZUOCEFAZUOJINXINGQIANGDUJISUANSHI,JIUSHIYINGDUIFAZUOSHOUWAIYADEZHUANGTAIJINXINGFENXI,ERSHIYONGGUIZESHEJIDESHEJIFANGFAYIJINGBUNENGJIEJUERUCIFUZADEWENTI。ZAIBENWENZHONGCAIYONGFENXISHEJIDESHEJIFANGFAJINXINGXIESHISHUANGZHABANFAZUODEQIANGDUXIAOHE。

    TONGGUODUIFAZUODESHOULIFENXIKEZHI,FAZUOYUFATIHANJIECHUWEIGUDINGYUESHU,FAZUOWAIQIANGSHOUDAOJIEZHIYALIDEZUOYONG,FAZUOMIFENGMIANCHUSHOUDAOFABANDEMIFENGBIYADEZUOYONG,XIANGXIDESHOULIQINGKUANGRUTU 2 SUOSHI。

闸阀阀座受外压作用分析2.png

    TU 2 FAZUOSHOULIFENXI

足球彩票     BASHITIMOXINGZHUANRU ANSYS ZHONGJINXINGFENXI,XUANZEZHUANXINGLIUMIANTIDANYUAN Solid45,SHURUCAILIAODEDANXINGMOLIANGHEBOSONGBI(RU《BIAO 1》SUOSHI),CAIYONGZIYOUWANGGEHUAFENMOXING,MORENQIUJIEQIQIUJIE,DECHUFAZUODEYINGLIYUNTUHEYINGBIANYUNTU。

《表 1》 材料为 12Cr1MoV
弹性模量(MPa) 2.140e+006
柏松比 0.286
质量密度(Kg/mm2 7.86e-012
屈服拉伸强度(MPa) 255
极限拉伸强度(MPa) 470

    YOUYINGLIFENXIYUNTUKEZHI,FAZUODEZUIDAYINGLICHUXIANZAIFAZUONEIQIANGYUFAZUOHEFATIHANJIELIANJIECHU,FAZUOXINGZHUANGZAIGAIWEIZHIBIANHUAJIAOWEIJULIEQIECUNZAIJIANJIAO,YINGSHUYUFENGZHIYINGLI,ZAIGAICHUXUANQUYINGLIPINGDINGXIAN,AN JB4732-95 DEYINGLIFENLEIYUANZE(RU《BIAO 2》SUOSHI)DUIYINGLIPINGDINGXIANSHANGDEYINGLIJINXINGFENLEI,DECHUPINGDINGXIANSHANGDEBOMOYINGLIHEWANQUYINGLI,FENBIEYUXIANDINGZHIJINXINGBIJIAO,JIKEDECHUFAZUODESHEJISHIFOUHELI。

《表 2》 各类应力强度的限制
类别 符号 计算值 限制值
一次薄膜应力 MEMBRANE Pm Sm
一次薄膜+弯曲应力 MEM+BEND Pm+Pb 1.5Sm

    3 JIELUN

    TONGGUOYINGLIFENXISHEJIFANGFAKEYIDUIZHAFAFAZUOJINXINGYINGLIQIANGDUXIAOHE,TONGSHIKEYIDECHUFAZUOSHEJISHIFOUHELI。

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