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金秀如何對機械密封進行更換工作

發布時(shi)間:2021-06-01 15:17:49 人氣:184095 來源:川工密封

  金秀機械密封利用(yong)(yong)機(ji)械方式傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)力和(he)運動(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)在機(ji)械工程中應(ying)用(yong)(yong)非(fei)常廣泛(fan),有(you)多種形式,主要(yao)包(bao)括皮(pi)帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、蝸(gua)桿(gan)蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒輪齒條(tiao)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。齒輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)能夠用(yong)(yong)于(yu)大(da)功率(lv)的(de)(de)(de)場合(he),傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比準確(que),但一般要(yao)求較(jiao)高的(de)(de)(de)制(zhi)造精度和(he)安裝精度。還有(you)一類是靠機(ji)件間(jian)的(de)(de)(de)摩(mo)擦(ca)力傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)力和(he)運動(dong)(dong)的(de)(de)(de)摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong),包(bao)括帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和(he)摩(mo)擦(ca)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)容易(yi)實現無級變(bian)速(su),可(ke)以適應(ying)軸間(jian)距較(jiao)大(da)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)場合(he),而過載打滑還能起到緩沖和(he)保護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)裝置的(de)(de)(de)作用(yong)(yong),但這種傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)一般不(bu)能用(yong)(yong)于(yu)大(da)功率(lv)的(de)(de)(de)場合(he),也(ye)不(bu)能保證準確(que)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比。

  傳動形式多,但是金秀機械密封的(de)更換工作大同小異,首先拆前需確(que)認(ren)電機(ji)處于檢修(xiu)狀態,擰(ning)下加油螺(luo)塞,用吸(xi)管把密封(feng)座腔內的(de)潤滑油吸(xi)出。準備好放(fang)置泵零(ling)件(jian)的(de)工作臺及拆裝工具(ju),切(qie)勿任意亂放(fang)亂用,避免(mian)碰壞泵的(de)零(ling)部件(jian)。

  拆(chai)對分式聯(lian)(lian)軸(zhou)器:先把(ba)聯(lian)(lian)軸(zhou)器的(de)固定內(nei)六角螺(luo)釘(ding)擰下(xia)來(lai),再(zai)輕輕把(ba)聯(lian)(lian)軸(zhou)器的(de)一半從(cong)軸(zhou)上慢(man)(man)慢(man)(man)拉(la)下(xia),注意不要掉了,再(zai)用梅花扳(ban)手擰下(xia)泵軸(zhou)吊緊螺(luo)栓和擋塊,讓葉輪慢(man)(man)慢(man)(man)下(xia)沉(chen)至泵體,然(ran)后拆(chai)下(xia)另外一半聯(lian)(lian)軸(zhou)器,拿下(xia)泵軸(zhou)擋圈(quan)。

  拆卸金秀機械密封:抓住密封彈簧(huang)順著泵(beng)軸往(wang)上提,就能拆下(xia)來(lai)了。

  拆(chai)卸(xie)并(bing)清洗(xi)軸(zhou)承(cheng)座(zuo):先(xian)輕輕松動一(yi)下軸(zhou)承(cheng)座(zuo)后用(yong)拆(chai)卸(xie)螺栓(shuan)頂起軸(zhou)承(cheng)座(zuo),并(bing)且沿(yan)著(zhu)泵軸(zhou)往上提而(er)卸(xie)下,再用(yong)噴氣(qi)燃料清洗(xi)軸(zhou)承(cheng)及座(zuo),裝前晾干并(bing)涂抹少許20號(hao)機械油用(yong)來潤滑保護。

  拆密封座(zuo):擰下(xia)密封座(zuo)壓緊螺母,輕輕卸下(xia)密封座(zuo)并清洗。

  金秀機械密封裝配(pei)(pei):在(zai)動、靜環鏡面上(shang)涂一層潔凈的(de)(de)20號潤滑(hua)(hua)油,導軸承座也抹(mo)上(shang)潤滑(hua)(hua)油,先把(ba)(ba)靜環輕(qing)輕(qing)定位(wei)裝入導軸承座,再在(zai)泵(beng)軸上(shang)抹(mo)上(shang)潤滑(hua)(hua)油,把(ba)(ba)動環部(bu)(bu)分(fen)輕(qing)輕(qing)裝入泵(beng)軸上(shang),用手輕(qing)推密封環應能伸縮自如,注意(yi)動、靜環部(bu)(bu)分(fen)的(de)(de)防轉部(bu)(bu)位(wei)需(xu)裝配(pei)(pei)到位(wei)。

  裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi):在電(dian)機軸(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋圈(quan),裝(zhuang)上(shang)一半聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi),再在泵(beng)軸(zhou)(zhou)端和(he)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)槽內(nei)裝(zhuang)上(shang)擋塊并用(yong)(yong)梅花(hua)扳手擰緊(jin)螺栓;再裝(zhuang)上(shang)另一半聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)擰上(shang)內(nei)六(liu)角螺釘(ding)。安裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)正確的檢查要求:對分式聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)上(shang)下間隙需(xu)要均勻,用(yong)(yong)手盤動聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)幾圈(quan)檢查轉動的靈(ling)活性。

  裝密(mi)封(feng)座(zuo):先(xian)將密(mi)封(feng)座(zuo)裝入橡膠油封(feng),再把密(mi)封(feng)座(zuo)裝入泵蓋(gai)(gai)(gai)并壓(ya)在(zai)軸(zhou)承座(zuo)上(shang),擰緊(jin)螺(luo)(luo)(luo)母,確(que)保(bao)所有(you)安(an)裝螺(luo)(luo)(luo)釘緊(jin)固(gu)(gu)。當安(an)裝螺(luo)(luo)(luo)釘被用作(zuo)密(mi)封(feng)與軸(zhou)之(zhi)間(jian)的驅動(dong)時(shi)(shi),軸(zhou)應(ying)打(da)埋頭孔來加固(gu)(gu)連接,緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)(gai)螺(luo)(luo)(luo)栓(shuan)時(shi)(shi)應(ying)該平穩(wen)緊(jin)固(gu)(gu),并且不要(yao)使(shi)壓(ya)蓋(gai)(gai)(gai)受彈(dan)力。在(zai)可能的地方使(shi)用4個(ge)以(yi)上(shang)螺(luo)(luo)(luo)釘的等間(jian)距壓(ya)蓋(gai)(gai)(gai),緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)(gai)螺(luo)(luo)(luo)栓(shuan)時(shi)(shi),用塞尺檢查軸(zhou)與壓(ya)蓋(gai)(gai)(gai)之(zhi)間(jian)的間(jian)隙,這在(zai)密(mi)封(feng)腔對壓(ya)蓋(gai)(gai)(gai)不導向時(shi)(shi),顯得特別重要(yao),因為壓(ya)蓋(gai)(gai)(gai)必須(xu)對中。