公司名稱:廣州市安普檢測技術服務有限公司 6kmwv.cn
摘要:近jin年nian來lai,無wu損sun檢jian測ce技ji術shu作zuo為wei新xin興xing的de一yi門men技ji術shu,使shi其qi在zai工gong程cheng領ling域yu中zhong得de到dao了le廣guang泛fan的de應ying用yong,特te別bie是shi在zai特te殊shu起qi重zhong裝zhuang備bei中zhong,該gai技ji術shu具ju著zhe極ji高gao的de應ying用yong價jia值zhi。同tong時shi社she會hui進jin步bu,各ge行xing各ge業ye大da力li發fa展zhan,使shi用yong大da型xing起qi重zhong機ji設she備bei繁fan多duo,安an全quan生sheng產chan問wen題ti也ye逐zhu步bu凸tu顯xian,使shi用yong過guo程cheng中zhong起qi重zhong設she備bei主zhu梁liang或huo者zhe吊diao鉤gou等deng應ying力li部bu位wei出chu現xian斷duan裂lie,這zhe個ge斷duan裂lie不bu是shi突tu然ran出chu現xian,而er且qie長chang期qi裂lie紋wen載zai荷he過guo大da,對dui安an全quan生sheng產chan產chan生sheng隱yin患huan,所suo以yi對dui於yu頻pin繁fan使shi用yong大da型xing起qi重zhong設she備bei定ding期qi做zuo無wu損sun檢jian測ce是shi非fei常chang必bi要yao,降jiang低di安an全quan隱yin患huan,完wan善shan了le公gong司si安an全quan責ze任ren製zhi度du。為wei此ci,廣guang州zhou市shi安an普pu檢jian測ce技ji術shu服fu務wu有you限xian公gong司si在zai2019年6月(yue)對(dui)廣(guang)州(zhou)黃(huang)埔(pu)大(da)橋(qiao)所(suo)使(shi)用(yong)的(de)龍(long)門(men)架(jia)起(qi)重(zhong)機(ji)進(jin)行(xing)無(wu)損(sun)檢(jian)測(ce),我(wo)們(men)以(yi)本(ben)案(an)例(li)為(wei)背(bei)景(jing),來(lai)講(jiang)述(shu)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)中(zhong)使(shi)用(yong)無(wu)損(sun)檢(jian)測(ce)以(yi)提(ti)高(gao)安(an)全(quan)生(sheng)產(chan)為(wei)為(wei)目(mu)的(de)重(zhong)要(yao)意(yi)義(yi)。(案例:深圳起重機吊鉤裂紋-磁粉探傷)

無損檢測技術又被稱為NDT技(ji)術(shu),是(shi)一(yi)種(zhong)綜(zong)合(he)性(xing)的(de)應(ying)用(yong)型(xing)技(ji)術(shu),這(zhe)一(yi)技(ji)術(shu)的(de)出(chu)現(xian)推(tui)動(dong)了(le)工(gong)業(ye)領(ling)域(yu)的(de)科(ke)技(ji)發(fa)展(zhan),並(bing)已(yi)經(jing)成(cheng)為(wei)工(gong)業(ye)領(ling)域(yu)中(zhong)的(de)重(zhong)要(yao)應(ying)用(yong)技(ji)術(shu)之(zhi)一(yi)。改(gai)革(ge)開(kai)放(fang)以(yi)來(lai),無(wu)損(sun)檢(jian)測(ce)技(ji)術(shu)的(de)發(fa)展(zhan)已(yi)經(jing)過(guo)去(qu)了(le)幾(ji)十(shi)多(duo)年(nian),這(zhe)也(ye)使(shi)無(wu)損(sun)檢(jian)測(ce)技(ji)術(shu)的(de)應(ying)用(yong)成(cheng)效(xiao)得(de)到(dao)了(le)越(yue)來(lai)越(yue)多(duo)人(ren)的(de)認(ren)可(ke)與(yu)關(guan)注(zhu),對(dui)於(yu)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)來(lai)說(shuo),由(you)於(yu)其(qi)內(nei)部(bu)結(jie)構(gou)複(fu)雜(za),其(qi)機(ji)械(xie)質(zhi)量(liang)直(zhi)接(jie)關(guan)乎(hu)到(dao)工(gong)程(cheng)安(an)全(quan),為(wei)此(ci),在(zai)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)中(zhong)應(ying)用(yong)無(wu)損(sun)檢(jian)測(ce)技(ji)術(shu)已(yi)經(jing)成(cheng)為(wei)一(yi)種(zhong)未(wei)來(lai)發(fa)展(zhan)趨(qu)勢(shi)。
1.無損檢測技術在龍門吊起重機檢測中應用的必要性
長chang期qi以yi來lai,工gong程cheng人ren員yuan在zai龍long門men吊diao起qi重zhong機ji進jin行xing檢jian測ce時shi,絕jue大da部bu位wei檢jian測ce項xiang目mu沒mei有you使shi用yong無wu損sun檢jian測ce技ji術shu,這zhe也ye使shi其qi在zai檢jian測ce過guo程cheng中zhong不bu僅jin效xiao率lv緩huan慢man,而er且qie檢jian測ce精jing度du也ye不bu高gao,這zhe無wu疑yi會hui給gei龍long門men吊diao起qi重zhong機ji的de使shi用yong及ji自zi身shen安an全quan帶dai來lai隱yin患huan。假jia設she,在zai對dui龍long門men吊diao起qi重zhong機ji的de鋼gang結jie構gou進jin行xing檢jian查zha時shi,主zhu要yao是shi依yi據ju龍long門men吊diao起qi重zhong機ji主zhu梁liang中zhong的de拱gong翹qiao度du進jin行xing判pan定ding,以yi此ci分fen析xi龍long門men吊diao起qi重zhong機ji的de使shi用yong狀zhuang態tai,但dan鋼gang結jie構gou中zhong卻que存cun在zai多duo處chu劣lie處chu情qing況kuang。此ci外wai,再zai加jia上shang龍long門men吊diao起qi重zhong機ji的de噸dun位wei不bu斷duan提ti升sheng,也ye使shi龍long門men吊diao起qi重zhong機ji發fa生sheng故gu障zhang的de幾ji率lv不bu斷duan增zeng加jia。而er無wu損sun檢jian測ce技ji術shu的de出chu現xian,則ze有you效xiao解jie決jue了le上shang述shu問wen題ti,其qi不bu僅jin檢jian測ce效xiao率lv高gao,準zhun確que性xing好hao,而er且qie不bu需xu要yao對dui待dai檢jian測ce設she備bei進jin行xing拆chai卸xie,進jin而er極ji大da程cheng度du的de提ti高gao了le龍long門men吊diao起qi重zhong機ji的de檢jian測ce效xiao率lv與yu準zhun確que性xing,降jiang低di了le工gong程cheng人ren員yuan的de檢jian測ce難nan度du。由you此ci可ke見jian,在zai龍long門men吊diao起qi重zhong機ji檢jian測ce工gong作zuo中zhong應ying用yong無wu損sun檢jian測ce技ji術shu是shi十shi分fen必bi要yao的de。

2基於無損檢測技術的龍門吊起重機檢測研究
2.1龍門吊起重機結構與焊縫的無損檢測
在zai龍long門men吊diao起qi重zhong機ji中zhong,鋼gang結jie構gou的de重zhong要yao性xing是shi毋wu容rong置zhi疑yi的de,因yin此ci必bi須xu要yao對dui龍long門men吊diao起qi重zhong機ji的de鋼gang結jie構gou及ji其qi焊han接jie質zhi量liang進jin行xing檢jian查zha,在zai利li用yong無wu損sun檢jian測ce技ji術shu進jin行xing檢jian查zha過guo程cheng中zhong,由you於yu龍long門men吊diao起qi重zhong機ji的de空kong間jian結jie構gou非fei常chang大da,並bing且qie焊han縫feng也ye往wang往wang較jiao多duo,這zhe也ye是shi無wu損sun檢jian測ce技ji術shu難nan像xiang出chu廠chang檢jian測ce那na樣yang進jin行xing全quan部bu的de檢jian測ce。並bing且qie龍long門men吊diao起qi重zhong機ji的de鋼gang結jie構gou主zhu要yao是shi以yi疲pi勞lao破po壞huai形xing式shi為wei主zhu,因yin此ci在zai應ying用yong無wu損sun檢jian測ce技ji術shu進jin行xing檢jian測ce時shi應ying對dui最zui可ke能neng發fa生sheng疲pi勞lao破po壞huai的de部bu位wei進jin行xing重zhong點dian檢jian測ce,此ci外wai,還hai要yao對dui鋼gang結jie構gou中zhong的de重zhong點dian受shou力li部bu位wei及ji關guan鍵jian焊han縫feng進jin行xing合he理li的de分fen類lei,並bing根gen據ju其qi重zhong點dian程cheng度du進jin行xing逐zhu個ge檢jian查zha。在zai對dui焊han縫feng的de重zhong要yao程cheng度du進jin行xing分fen類lei時shi,一yi級ji為wei受shou拉la部bu位wei以yi及ji鉸jiao點dian位wei置zhi中zhong的de焊han縫feng,二er級ji為wei受shou壓ya部bu分fen的de焊han縫feng,三san級ji為wei其qi他ta焊han縫feng。

在(zai)對(dui)不(bu)同(tong)結(jie)構(gou)類(lei)型(xing)的(de)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)進(jin)行(xing)無(wu)損(sun)檢(jian)測(ce)時(shi),應(ying)通(tong)過(guo)有(you)限(xian)元(yuan)法(fa)來(lai)對(dui)其(qi)幾(ji)何(he)模(mo)型(xing)進(jin)行(xing)構(gou)件(jian),並(bing)對(dui)整(zheng)體(ti)按(an)照(zhao)不(bu)同(tong)單(dan)元(yuan)進(jin)行(xing)劃(hua)分(fen),依(yi)據(ju)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)使(shi)用(yong)狀(zhuang)況(kuang)的(de)不(bu)同(tong)來(lai)對(dui)各(ge)個(ge)點(dian)的(de)應(ying)力(li)值(zhi)進(jin)行(xing)計(ji)算(suan),以(yi)此(ci)找(zhao)出(chu)不(bu)同(tong)工(gong)況(kuang)下(xia)出(chu)現(xian)較(jiao)大(da)應(ying)力(li)差(cha)的(de)單(dan)元(yuan)或(huo)位(wei)置(zhi),將(jiang)其(qi)作(zuo)為(wei)重(zhong)點(dian)檢(jian)測(ce)區(qu)域(yu)來(lai)進(jin)行(xing)檢(jian)測(ce)。可(ke)能(neng)出(chu)現(xian)應(ying)力(li)差(cha)值(zhi)較(jiao)大(da)的(de)部(bu)位(wei)主(zhu)要(yao)包(bao)括(kuo)下(xia)橫(heng)梁(liang)與(yu)支(zhi)腿(tui)的(de)連(lian)接(jie)部(bu)位(wei)、走形梁和支腿連接部位的內彎板、主梁和支腿的連接位置、主梁的中部區域,加固區域、懸xuan臂bi梁liang的de根gen部bu區qu域yu等deng。根gen據ju無wu損sun檢jian測ce技ji術shu的de特te點dian,通tong常chang在zai進jin行xing焊han縫feng與yu鋼gang板ban裂lie紋wen檢jian測ce時shi主zhu要yao是shi利li用yong超chao聲sheng檢jian測ce,這zhe是shi因yin為wei超chao聲sheng檢jian測ce所suo用yong設she備bei的de體ti積ji較jiao小xiao,檢jian測ce精jing度du較jiao高gao,它ta不bu需xu要yao對dui焊han縫feng的de表biao麵mian進jin行xing打da磨mo就jiu能neng夠gou達da到dao較jiao高gao的de檢jian測ce精jing度du,從cong而er使shi檢jian測ce效xiao率lv大da幅fu提ti高gao。
2.2龍門吊起重機鋼絲繩的無損檢測
在(zai)對(dui)龍(long)門(men)吊(diao)起(qi)重(zhong)機(ji)中(zhong)的(de)鋼(gang)絲(si)繩(sheng)進(jin)行(xing)無(wu)損(sun)檢(jian)測(ce)時(shi),主(zhu)要(yao)是(shi)利(li)用(yong)漏(lou)磁(ci)檢(jian)測(ce)法(fa),該(gai)方(fang)法(fa)的(de)檢(jian)測(ce)原(yuan)理(li)是(shi)利(li)用(yong)磁(ci)鐵(tie)按(an)照(zhao)鋼(gang)絲(si)繩(sheng)的(de)軸(zhou)方(fang)向(xiang)進(jin)行(xing)磁(ci)化(hua)檢(jian)測(ce),在(zai)經(jing)過(guo)缺(que)陷(xian)部(bu)位(wei)時(shi),磁(ci)場(chang)中(zhong)的(de)磁(ci)通(tong)量(liang)就(jiu)會(hui)發(fa)生(sheng)變(bian)化(hua)或(huo)是(shi)出(chu)現(xian)漏(lou)磁(ci)現(xian)象(xiang)。檢(jian)測(ce)人(ren)員(yuan)可(ke)以(yi)依(yi)據(ju)漏(lou)磁(ci)信(xin)號(hao)來(lai)對(dui)鋼(gang)絲(si)繩(sheng)的(de)使(shi)用(yong)狀(zhuang)態(tai)進(jin)行(xing)判(pan)斷(duan)。漏(lou)磁(ci)檢(jian)測(ce)法(fa)主(zhu)要(yao)包(bao)括(kuo)截(jie)麵(mian)積(ji)耗(hao)損(sun)檢(jian)測(ce)與(yu)局(ju)部(bu)缺(que)陷(xian)檢(jian)測(ce),當(dang)前(qian)市(shi)麵(mian)中(zhong)已(yi)經(jing)出(chu)現(xian)了(le)專(zhuan)用(yong)的(de)鋼(gang)絲(si)繩(sheng)檢(jian)測(ce)設(she)備(bei),LM120型xing鋼gang絲si繩sheng檢jian測ce儀yi,這zhe些xie檢jian測ce設she備bei能neng夠gou對dui門men式shi起qi重zhong機ji進jin行xing便bian捷jie的de定ding量liang的de檢jian測ce,並bing且qie某mou些xie設she備bei還hai能neng夠gou對dui鋼gang絲si繩sheng的de使shi用yong狀zhuang態tai進jin行xing實shi時shi監jian測ce,並bing依yi據ju檢jian測ce數shu據ju結jie果guo,結jie合he標biao準zhun中zhong的de具ju體ti規gui定ding來lai對dui其qi使shi用yong狀zhuang態tai進jin行xing判pan定ding。
2.3龍門吊起重機中軸類零部件的無損檢測
在對龍門吊起重機的軸類零部件,走行軸、卷筒軸、hualunzhoudengjinxingwusunjianceshi,zhuyaocaiqudefangfaweichaoshengjiance,chaoshengjiancejuyoujiqiangdechuantouli,tanenggoufeichangmingandechajiaodaozhouleilingbujianjiemianzhongcunzaideliewen,zhengshizheyiyoushi,shiqizaizhouleijiancezhongdeyingyongfeichangpubian。zaijinxingjianceshi,buxuyaoduizhoujinxingchaixie,zhixuyaojiangzhouchenggaikaiqi,bingduiqibiaomianjinxingqinglihoujiunengjinxingjiance。buguo,congjinjiniandejiancelaikan,xianjieduanlongmenshiqizhongjisuoshiyongdezhouleilingbujiandoushuyubiaozhunjian,bingqieqiqiangdufuyuduyebijiaoda,shejiquexianjihubucunzai,yincizaiyibanjiancegongzuozhongkeyibuduizhouleilingbujianjinxingjiance。
2.4龍門吊起重機法蘭聯接螺栓中的無損檢測
法蘭聯接螺栓主要是對龍門吊起重機中的支腿、主梁、maandengjinxinglianjie,zheyeshiqichengweizhuyaodeshoulibuwei,yincibixuyaoduifalanlianjieluoshuanjinxingbiyaodewusunjiance,jiancefangfazhuyaoweichaoshengjiance,zaijianceshizhuyaoshiduijiaobianyingliqingkuang、鏽蝕程度等內容進行檢測。

2.5龍門吊起重機吊鉤的無損檢測
zaiduilongmendiaoqizhongjidediaogoujinxingwusunjianceshi,zhuyaoshiliyongcifenduiqibiaomianliewenjinxingtanshang,yeyoutongguochaoshengjiancejinxingtanshangde,duidiaogoujinxingtanshangdequyuzhuyaobaokuodiaogoudejingbuquyujiluoyatuidaocaoquyu,ciwai,diaogouzhongdewanququyuyeshichanshengpilaoliewendezhuyaobuwei,yinciyebixuduigaibuweijinxingwusuntanshang。
2.6龍門式起重機鋼板厚度檢測
長期以來,工程人員在對龍門吊起重機進行檢查、計ji算suan與yu壽shou命ming分fen析xi時shi,往wang往wang需xu要yao設she定ding鋼gang板ban的de厚hou度du是shi始shi終zhong不bu變bian的de,並bing且qie對dui鋼gang板ban的de鏽xiu蝕shi情qing況kuang進jin行xing檢jian測ce時shi,一yi般ban都dou隻zhi進jin行xing定ding性xing檢jian查zha,對dui鋼gang板ban的de實shi際ji厚hou度du常chang常chang忽hu略lve檢jian查zha,而er鋼gang板ban在zai經jing過guo多duo年nian的de腐fu蝕shi以yi後hou,必bi然ran會hui使shi鋼gang板ban厚hou度du產chan生sheng較jiao大da影ying響xiang。因yin此ci必bi須xu要yao對dui定ding期qi進jin行xing無wu損sun檢jian測ce,並bing且qie采cai取qu相xiang應ying的de預yu防fang措cuo施shi。
3.結餘
總zong而er言yan之zhi,對dui於yu龍long門men式shi起qi重zhong機ji檢jian測ce工gong作zuo來lai說shuo,應ying用yong無wu損sun檢jian測ce技ji術shu能neng夠gou極ji大da程cheng度du的de提ti高gao檢jian測ce效xiao率lv,提ti高gao檢jian測ce精jing度du,並bing且qie能neng夠gou為wei技ji術shu人ren員yuan提ti供gong可ke靠kao的de數shu據ju支zhi持chi與yu科ke學xue依yi據ju,有you效xiao彌mi補bu了le傳chuan統tong檢jian測ce技ji術shu存cun在zai不bu足zu,由you此ci可ke見jian,隨sui著zhe無wu損sun檢jian測ce技ji術shu的de不bu斷duan革ge新xin,其qi在zai龍long門men式shi起qi重zhong機ji檢jian測ce工gong作zuo中zhong的de應ying用yong價jia值zhi必bi將jiang得de到dao進jin一yi步bu的de凸tu顯xian。
廣州安普檢測技術服務有限公司是國內第三方無損探傷檢測機構,我們的探傷設備齊全、檢測方法完善、檢測技術嫻熟、持證人員多、檢測經驗豐富、檢測結果準確、具備CMA、CNAS等資質,同時還具備特檢資質,提供專業的第三方無損探傷檢測報告。

廣州市安普檢測技術服務有限公司的無損檢測探傷5大檢測的方法:
1.磁粉檢測 (MT):磁場作用,檢測出表麵及近表麵的缺陷。
2.滲透檢測(PT):毛細管作用,表麵開口缺陷。
3.渦流檢測(ET):電磁感應作用,表麵及近表麵缺陷,壓力容器。
4.超聲波檢測(UT):超聲波反射原理:內部缺陷,對麵積型缺陷(裂紋、未融合)較為敏感。
5.射線照射(RT):射線衰減原理:內部缺陷,對體積型缺陷(氣孔、夾渣)較為敏感。

廣州市安普檢測技術服務有限公司的無損檢測探傷的服務行業:
1.機械加工(鍛鑄件、管道、風電塔筒)
2.石油行業(鑽采設備、石油管材、壓力容器等)
3.電力行業(風電、水電、火電等發電站設備)
4.鋼結構
5.礦山設備
6.港口機械
7.化工設備
公司介紹:
廣州市安普檢測技術服務有限公司作為工業無損檢測企業擁有*CNAS、CMAzizhi,fuwuyoushizaiyuyigengduandejiancejianyanzhouqihegengyouhuidefuwujiage,weikehujieyuechengbenhezhouqi,bangzhukehukuaisuhuoquzhunqueyouxiaoshuju,bingweikehutigonghouqijishufuwuzhichi。guangzhouanpujiancejishufuwuyouxiangongsizuoweipingtaihuayunyingpinpai,yuguoneiwaiduojiashiyanshijianlilelianghaodehezuoguanxi,zhizaiweikehu、行業提供更全麵、更優質的檢測谘詢服務。
(文章來源“愛學術”摘抄,僅用於廣州市安普檢測技術服務有限公司對服務項目的網絡推廣。)