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巴彥如何對機械密封進行更換工作

發布時間:2021-12-17 11:49:09 人(ren)氣:98737 來源:

  巴彥機械密封利用(yong)機(ji)械方式(shi)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)在機(ji)械工程中應用(yong)非常廣泛(fan),有多種形式(shi),主要包(bao)括皮帶(dai)(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)(he)螺(luo)旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)能(neng)(neng)夠(gou)用(yong)于大(da)功率的(de)場合(he),傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比準確(que),但一(yi)般(ban)要求較高的(de)制造精度和(he)(he)安裝精度。還有一(yi)類是靠機(ji)件間的(de)摩擦力傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)的(de)摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong),包(bao)括帶(dai)(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)(he)摩擦輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)容易實現無級變速(su),可以(yi)適應軸(zhou)間距(ju)較大(da)的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)場合(he),而過(guo)載(zai)打滑還能(neng)(neng)起(qi)到緩沖和(he)(he)保(bao)護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)裝置(zhi)的(de)作用(yong),但這種傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)一(yi)般(ban)不能(neng)(neng)用(yong)于大(da)功率的(de)場合(he),也不能(neng)(neng)保(bao)證準確(que)的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比。


  傳動形式多,但是巴彥機械密封的(de)更換工作大同小異,首(shou)先拆(chai)前需(xu)確認電機處于檢(jian)修狀態,擰下加油(you)螺塞,用吸管把密封座腔內(nei)的(de)潤(run)滑(hua)油(you)吸出。準備好放置(zhi)泵零件的(de)工作臺(tai)及拆(chai)裝(zhuang)工具,切勿任(ren)意亂放亂用,避(bi)免碰(peng)壞泵的(de)零部件。


  拆對分式聯(lian)(lian)軸(zhou)器:先把(ba)聯(lian)(lian)軸(zhou)器的(de)固定(ding)內六角螺(luo)釘擰下(xia)(xia)(xia)來,再輕(qing)輕(qing)把(ba)聯(lian)(lian)軸(zhou)器的(de)一半從軸(zhou)上慢(man)慢(man)拉下(xia)(xia)(xia),注意不(bu)要掉(diao)了(le),再用梅(mei)花扳(ban)手擰下(xia)(xia)(xia)泵(beng)軸(zhou)吊緊螺(luo)栓和擋(dang)塊(kuai),讓葉輪慢(man)慢(man)下(xia)(xia)(xia)沉至泵(beng)體,然后拆下(xia)(xia)(xia)另(ling)外一半聯(lian)(lian)軸(zhou)器,拿下(xia)(xia)(xia)泵(beng)軸(zhou)擋(dang)圈。

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  拆卸巴彥機械密封:抓(zhua)住密封彈簧順著泵(beng)軸往(wang)上提,就能拆下來了。


  拆(chai)卸并清洗(xi)軸(zhou)(zhou)承座(zuo):先輕輕松動一下軸(zhou)(zhou)承座(zuo)后用(yong)拆(chai)卸螺栓頂起軸(zhou)(zhou)承座(zuo),并且(qie)沿著泵軸(zhou)(zhou)往上提而卸下,再用(yong)噴(pen)氣燃(ran)料清洗(xi)軸(zhou)(zhou)承及座(zuo),裝前(qian)晾干并涂抹(mo)少(shao)許20號機械油用(yong)來潤滑保護。


  拆密封座:擰下密封座壓緊螺母,輕輕卸(xie)下密封座并清洗。


  巴彥機械密封裝配:在(zai)動(dong)、靜(jing)環(huan)(huan)鏡面上涂(tu)一層潔凈的20號潤(run)滑(hua)(hua)油,導軸承座(zuo)也(ye)抹(mo)上潤(run)滑(hua)(hua)油,先把靜(jing)環(huan)(huan)輕輕定(ding)位(wei)裝入導軸承座(zuo),再在(zai)泵軸上抹(mo)上潤(run)滑(hua)(hua)油,把動(dong)環(huan)(huan)部(bu)分(fen)輕輕裝入泵軸上,用手輕推密封環(huan)(huan)應(ying)能伸(shen)縮自如,注意動(dong)、靜(jing)環(huan)(huan)部(bu)分(fen)的防轉部(bu)位(wei)需裝配到(dao)位(wei)。


  裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)(zhou)器:在電機軸(zhou)(zhou)頭上(shang)裝(zhuang)(zhuang)上(shang)擋圈,裝(zhuang)(zhuang)上(shang)一(yi)半(ban)聯(lian)(lian)軸(zhou)(zhou)器,再在泵軸(zhou)(zhou)端(duan)和聯(lian)(lian)軸(zhou)(zhou)器槽內裝(zhuang)(zhuang)上(shang)擋塊并用梅花扳手擰(ning)緊螺(luo)栓;再裝(zhuang)(zhuang)上(shang)另一(yi)半(ban)聯(lian)(lian)軸(zhou)(zhou)器擰(ning)上(shang)內六角螺(luo)釘。安裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)(zhou)器正確的檢(jian)查(cha)要(yao)求(qiu):對分(fen)式聯(lian)(lian)軸(zhou)(zhou)器上(shang)下間隙(xi)需要(yao)均勻,用手盤動(dong)聯(lian)(lian)軸(zhou)(zhou)器幾(ji)圈檢(jian)查(cha)轉動(dong)的靈活性。


  裝密(mi)封(feng)(feng)座:先將密(mi)封(feng)(feng)座裝入橡膠油封(feng)(feng),再把(ba)密(mi)封(feng)(feng)座裝入泵蓋(gai)(gai)并壓在軸(zhou)承(cheng)座上,擰緊(jin)螺(luo)母,確保(bao)所(suo)有安裝螺(luo)釘緊(jin)固(gu)(gu)。當安裝螺(luo)釘被用(yong)作密(mi)封(feng)(feng)與(yu)軸(zhou)之(zhi)間(jian)的驅動時(shi)(shi),軸(zhou)應打(da)埋頭孔來加固(gu)(gu)連接,緊(jin)固(gu)(gu)壓蓋(gai)(gai)螺(luo)栓(shuan)時(shi)(shi)應該平穩緊(jin)固(gu)(gu),并且不要使(shi)壓蓋(gai)(gai)受(shou)彈力。在可能(neng)的地方(fang)使(shi)用(yong)4個以上螺(luo)釘的等(deng)間(jian)距壓蓋(gai)(gai),緊(jin)固(gu)(gu)壓蓋(gai)(gai)螺(luo)栓(shuan)時(shi)(shi),用(yong)塞(sai)尺檢查軸(zhou)與(yu)壓蓋(gai)(gai)之(zhi)間(jian)的間(jian)隙,這在密(mi)封(feng)(feng)腔對壓蓋(gai)(gai)不導向(xiang)時(shi)(shi),顯得特別(bie)重要,因為壓蓋(gai)(gai)必須對中。