隨(sui)著(zhe)起(qi)重(zhong)機(ji)市(shi)場(chang)保(bao)有(you)量(liang)的(de)不(bu)斷(duan)增(zeng)加(jia)及(ji)其(qi)應(ying)用(yong)的(de)越(yue)來(lai)越(yue)廣(guang)泛(fan),起(qi)重(zhong)機(ji)修(xiu)理(li)問(wen)題(ti),特(te)別(bie)是(shi)有(you)關(guan)結(jie)構(gou)件(jian)修(xiu)複(fu)或(huo)加(jia)固(gu)方(fang)麵(mian)的(de),引(yin)起(qi)了(le)人(ren)們(men)更(geng)多(duo)的(de)關(guan)注(zhu),下(xia)麵(mian)以(yi)秦(qin)皇(huang)島(dao)市(shi)特(te)種(zhong)設(she)備(bei)監(jian)督(du)檢(jian)驗(yan)所(suo)檢(jian)驗(yan)某(mou)港(gang)V12007年初加固其33t港口吊底盤結構件為例,介紹一下相關方麵的情況:
該機構件加固,其效果主要由加固方案、所選材質質量、焊接工藝及強度檢驗等四個方麵所決定。在加固方案方麵,根據底盤的具體受力情況和應力集中特點:
dipanweiliangshijiegou,yishouwanquyingliweizhu,yinglijizhongzaijuzhituiyuanduanyuzhongxinhuizhuanjiehedebuwei,bingqiegaidipandehengjiemianweixiangshijiegou。genjuzhexieshijiqingkuang,tongshijieheshigongyaoqiu,womenjuedingcaiyongfenbieduiliban,hengbanjinxingtiebanjiagu,bingqiebaliangkuaitiebanyongyikuaixielabanhanjiechengyitidefangan,zheyang,sankuaibanxingchenglewengudesanjiaojiajiegou,tongguolilunjisuan,qiangdutigaochaoguo15%,滿足了實際的使用要求。
在所選材質方麵,我們先把母材進行鑒定,分析出主要化學元素含量和各種力學性能參數,要求所選材質:化學組成與母材接近,以保證焊接效果;力li學xue性xing能neng超chao過guo母mu材cai,以yi保bao證zheng強qiang度du要yao求qiu。選xuan定ding新xin材cai質zhi後hou,把ba母mu材cai和he新xin材cai質zhi分fen別bie取qu樣yang然ran後hou焊han接jie在zai一yi起qi,進jin行xing破po壞huai試shi驗yan,結jie果guo為wei母mu材cai斷duan裂lie,表biao明ming新xin材cai質zhi和he焊han接jie部bu分fen強qiang度du都dou大da於yu母mu材cai,保bao證zheng了le施shi工gong質zhi量liang和he強qiang度du要yao求qiu。
在焊接工藝方麵,我們主要從母體清理預熱、焊條烘幹、加工加固板、焊機、焊接施工程序和焊後保溫等六個方麵加以要求,從而保證了施工質量。
zaiqiangdujianyanfangmian,zhuyaoshijianzhasuoyouhanfengbudeyoulouhanjishaochuanxianxiang,hanfengbudeyouliewenjiweironghedequexian,zhubanhanjieweiyijihanfeng,jiagubufenhanfengweierjihanfeng,duihandaojinxinghanjiequexianjianyan(無損探傷檢測)。zaihanfengdadaoyishangsidianyaoqiuhou,duizhengchejinxingdiaozhuangshiyan,duijiegoujianbufenzuoyingliceshi,genjuceshiyingbiandefangfapanduanchudipanjiegoujianqiangdutigaodebaifenbi,zaiyushijiyaoqiude15%比較,從而得出施工是否合格的結論。
結構件加固是一項要求高,責任重的工程項目,必須在各個環節加強管理和監督,以確保萬無一失。
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