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齊干卻勒街道如何對機械密封進行更換工作

發(fa)布(bu)時(shi)間:2021-06-01 15:17:49 人氣:184425 來源:川工(gong)密封

  齊干卻勒街道機械密封利用機(ji)械(xie)方式(shi)傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和運動(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),機(ji)械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機(ji)械(xie)工程中應(ying)用非常廣(guang)泛(fan),有(you)多種(zhong)形式(shi),主要(yao)包(bao)括皮帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和螺旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。齒(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)能(neng)夠用于大功(gong)率的(de)(de)場合(he)(he),傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比準(zhun)確(que),但(dan)一(yi)般要(yao)求較高(gao)的(de)(de)制(zhi)造精度和安裝精度。還(huan)有(you)一(yi)類(lei)是靠機(ji)件間的(de)(de)摩(mo)(mo)擦(ca)力傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和運動(dong)(dong)(dong)的(de)(de)摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),包(bao)括帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和摩(mo)(mo)擦(ca)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)容易實現無級變速,可以適應(ying)軸間距較大的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)場合(he)(he),而過載打滑還(huan)能(neng)起到緩沖和保護傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置的(de)(de)作用,但(dan)這(zhe)種(zhong)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)一(yi)般不能(neng)用于大功(gong)率的(de)(de)場合(he)(he),也不能(neng)保證準(zhun)確(que)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比。

  傳動形式多,但是齊干卻勒街道機械密封的(de)更換工(gong)作大同小異,首先拆前需確(que)認電機處于檢修狀態,擰下加油(you)螺塞,用(yong)吸管把密封(feng)座(zuo)腔內的(de)潤滑(hua)油(you)吸出。準備好放置泵(beng)零件(jian)的(de)工(gong)作臺及拆裝工(gong)具,切(qie)勿任意亂放亂用(yong),避免碰(peng)壞泵(beng)的(de)零部(bu)件(jian)。

  拆(chai)對分式聯(lian)軸(zhou)器(qi)(qi):先把(ba)聯(lian)軸(zhou)器(qi)(qi)的(de)固定內六角螺(luo)釘擰下(xia)來,再(zai)輕輕把(ba)聯(lian)軸(zhou)器(qi)(qi)的(de)一半(ban)從軸(zhou)上慢(man)慢(man)拉(la)下(xia),注(zhu)意不要(yao)掉了,再(zai)用梅花扳(ban)手(shou)擰下(xia)泵軸(zhou)吊緊螺(luo)栓(shuan)和擋(dang)塊(kuai),讓葉輪慢(man)慢(man)下(xia)沉至泵體,然后(hou)拆(chai)下(xia)另外(wai)一半(ban)聯(lian)軸(zhou)器(qi)(qi),拿下(xia)泵軸(zhou)擋(dang)圈(quan)。

  拆卸齊干卻勒街道機械密封:抓住密封彈簧(huang)順著泵軸往(wang)上提,就能拆下(xia)來了(le)。

  拆卸(xie)并清洗(xi)軸(zhou)承座:先輕(qing)輕(qing)松(song)動一下軸(zhou)承座后用(yong)(yong)(yong)拆卸(xie)螺栓頂起軸(zhou)承座,并且沿著(zhu)泵軸(zhou)往上提而卸(xie)下,再用(yong)(yong)(yong)噴氣燃料清洗(xi)軸(zhou)承及座,裝(zhuang)前(qian)晾(liang)干并涂抹少許20號機械油用(yong)(yong)(yong)來潤滑保(bao)護。

  拆密(mi)封(feng)座:擰下(xia)密(mi)封(feng)座壓緊螺母,輕(qing)輕(qing)卸下(xia)密(mi)封(feng)座并清洗。

  齊干卻勒街道機械密封裝配(pei):在(zai)動、靜(jing)環(huan)(huan)鏡(jing)面上涂一層(ceng)潔凈的(de)20號潤滑油(you),導軸(zhou)承座也抹上潤滑油(you),先把靜(jing)環(huan)(huan)輕輕定位裝入導軸(zhou)承座,再在(zai)泵(beng)軸(zhou)上抹上潤滑油(you),把動環(huan)(huan)部分(fen)輕輕裝入泵(beng)軸(zhou)上,用手輕推密封環(huan)(huan)應(ying)能伸縮自如,注(zhu)意動、靜(jing)環(huan)(huan)部分(fen)的(de)防(fang)轉部位需裝配(pei)到位。

  裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi):在電機軸(zhou)(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋圈,裝(zhuang)上(shang)一半聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi),再(zai)在泵軸(zhou)(zhou)(zhou)端(duan)和聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)槽內(nei)裝(zhuang)上(shang)擋塊(kuai)并用梅花扳手(shou)擰(ning)緊螺(luo)栓;再(zai)裝(zhuang)上(shang)另一半聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)擰(ning)上(shang)內(nei)六角螺(luo)釘。安裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)正確(que)的檢查(cha)要求:對(dui)分式聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)上(shang)下間隙需要均勻,用手(shou)盤動聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)幾圈檢查(cha)轉動的靈活性。

  裝(zhuang)密封(feng)座(zuo)(zuo):先將(jiang)密封(feng)座(zuo)(zuo)裝(zhuang)入橡膠(jiao)油封(feng),再把密封(feng)座(zuo)(zuo)裝(zhuang)入泵(beng)蓋(gai)(gai)(gai)并(bing)(bing)壓(ya)在軸(zhou)(zhou)承座(zuo)(zuo)上,擰緊(jin)螺母,確保所有安裝(zhuang)螺釘(ding)緊(jin)固(gu)。當安裝(zhuang)螺釘(ding)被用(yong)(yong)(yong)作密封(feng)與軸(zhou)(zhou)之間(jian)(jian)的(de)驅(qu)動時,軸(zhou)(zhou)應(ying)打(da)埋頭孔來加固(gu)連接,緊(jin)固(gu)壓(ya)蓋(gai)(gai)(gai)螺栓時應(ying)該平(ping)穩緊(jin)固(gu),并(bing)(bing)且不(bu)要使(shi)壓(ya)蓋(gai)(gai)(gai)受彈力。在可能的(de)地方使(shi)用(yong)(yong)(yong)4個以上螺釘(ding)的(de)等間(jian)(jian)距壓(ya)蓋(gai)(gai)(gai),緊(jin)固(gu)壓(ya)蓋(gai)(gai)(gai)螺栓時,用(yong)(yong)(yong)塞尺檢查軸(zhou)(zhou)與壓(ya)蓋(gai)(gai)(gai)之間(jian)(jian)的(de)間(jian)(jian)隙,這(zhe)在密封(feng)腔對壓(ya)蓋(gai)(gai)(gai)不(bu)導向時,顯得(de)特別(bie)重要,因為壓(ya)蓋(gai)(gai)(gai)必須對中。