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墨江如何對機械密封進行更換工作

發布時間:2021-06-01 15:17:49 人氣:184082 來源:川(chuan)工密(mi)封

  墨江機械密封利用機(ji)械方式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在機(ji)械工程(cheng)中應(ying)用非(fei)常廣(guang)泛,有多種(zhong)形(xing)式(shi),主要包(bao)括(kuo)皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、蝸(gua)桿(gan)蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能(neng)(neng)(neng)夠用于(yu)大功率的(de)(de)(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比準確,但(dan)一般(ban)要求較高(gao)的(de)(de)(de)制(zhi)造(zao)精度(du)和(he)(he)安(an)裝精度(du)。還有一類是靠機(ji)件間的(de)(de)(de)摩擦力(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包(bao)括(kuo)帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)摩擦輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容易(yi)實(shi)現無級(ji)變速(su),可以適應(ying)軸(zhou)間距較大的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合,而過載打(da)滑還能(neng)(neng)(neng)起到緩沖和(he)(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)(de)作用,但(dan)這種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)一般(ban)不(bu)能(neng)(neng)(neng)用于(yu)大功率的(de)(de)(de)場(chang)合,也不(bu)能(neng)(neng)(neng)保證準確的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是墨江機械密封的(de)(de)更換(huan)工(gong)作(zuo)(zuo)大同小異,首(shou)先拆前需確認電機處于檢(jian)修狀(zhuang)態(tai),擰下加油(you)螺(luo)塞,用吸(xi)管把(ba)密封座腔內的(de)(de)潤滑油(you)吸(xi)出(chu)。準備好放置泵(beng)零(ling)(ling)件的(de)(de)工(gong)作(zuo)(zuo)臺及拆裝工(gong)具(ju),切勿任意(yi)亂放亂用,避免(mian)碰壞泵(beng)的(de)(de)零(ling)(ling)部(bu)件。

  拆對(dui)分式聯軸(zhou)(zhou)(zhou)器:先把聯軸(zhou)(zhou)(zhou)器的固定內六角(jiao)螺(luo)釘擰下(xia)(xia)來,再輕(qing)(qing)輕(qing)(qing)把聯軸(zhou)(zhou)(zhou)器的一半(ban)從軸(zhou)(zhou)(zhou)上慢慢拉下(xia)(xia),注意(yi)不要掉了,再用梅(mei)花扳手擰下(xia)(xia)泵(beng)軸(zhou)(zhou)(zhou)吊緊螺(luo)栓和擋塊,讓葉輪慢慢下(xia)(xia)沉至泵(beng)體,然后拆下(xia)(xia)另(ling)外一半(ban)聯軸(zhou)(zhou)(zhou)器,拿下(xia)(xia)泵(beng)軸(zhou)(zhou)(zhou)擋圈。

  拆卸墨江機械密封:抓住(zhu)密封彈簧順著(zhu)泵(beng)軸往(wang)上提,就(jiu)能拆下(xia)來了。

  拆卸并(bing)(bing)清(qing)洗軸(zhou)承座:先(xian)輕輕松動一下軸(zhou)承座后用拆卸螺栓頂起軸(zhou)承座,并(bing)(bing)且沿著泵軸(zhou)往上提而卸下,再用噴氣燃料清(qing)洗軸(zhou)承及座,裝前晾(liang)干并(bing)(bing)涂抹少許20號(hao)機械油用來(lai)潤滑保護。

  拆密封座(zuo)(zuo):擰(ning)下(xia)密封座(zuo)(zuo)壓緊(jin)螺(luo)母,輕(qing)輕(qing)卸下(xia)密封座(zuo)(zuo)并清(qing)洗。

  墨江機械密封裝(zhuang)配:在(zai)動、靜環鏡面(mian)上(shang)(shang)涂一層潔凈(jing)的(de)20號潤滑(hua)油(you)(you),導軸承(cheng)座也抹上(shang)(shang)潤滑(hua)油(you)(you),先把靜環輕(qing)輕(qing)定位裝(zhuang)入(ru)(ru)導軸承(cheng)座,再在(zai)泵軸上(shang)(shang)抹上(shang)(shang)潤滑(hua)油(you)(you),把動環部分輕(qing)輕(qing)裝(zhuang)入(ru)(ru)泵軸上(shang)(shang),用手輕(qing)推密封環應能伸縮(suo)自(zi)如,注意動、靜環部分的(de)防轉部位需裝(zhuang)配到位。

  裝聯(lian)(lian)軸器(qi)(qi):在電(dian)機軸頭上裝上擋(dang)圈(quan),裝上一半聯(lian)(lian)軸器(qi)(qi),再在泵軸端和聯(lian)(lian)軸器(qi)(qi)槽內裝上擋(dang)塊并用(yong)梅花扳手(shou)擰緊螺栓;再裝上另一半聯(lian)(lian)軸器(qi)(qi)擰上內六(liu)角螺釘(ding)。安裝聯(lian)(lian)軸器(qi)(qi)正確的(de)檢查要求:對分式聯(lian)(lian)軸器(qi)(qi)上下間隙需要均勻(yun),用(yong)手(shou)盤動聯(lian)(lian)軸器(qi)(qi)幾圈(quan)檢查轉動的(de)靈活性。

  裝(zhuang)(zhuang)密封(feng)座:先將密封(feng)座裝(zhuang)(zhuang)入橡膠油封(feng),再把密封(feng)座裝(zhuang)(zhuang)入泵(beng)蓋(gai)(gai)(gai)(gai)并壓(ya)(ya)(ya)在軸承(cheng)座上(shang),擰緊(jin)(jin)(jin)螺(luo)(luo)母,確保所有(you)安裝(zhuang)(zhuang)螺(luo)(luo)釘緊(jin)(jin)(jin)固。當安裝(zhuang)(zhuang)螺(luo)(luo)釘被(bei)用作密封(feng)與軸之(zhi)間的(de)驅動時,軸應(ying)打(da)埋頭孔來(lai)加固連接,緊(jin)(jin)(jin)固壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)螺(luo)(luo)栓(shuan)時應(ying)該平穩緊(jin)(jin)(jin)固,并且不要使壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)受彈力。在可(ke)能的(de)地方使用4個以(yi)上(shang)螺(luo)(luo)釘的(de)等間距壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai),緊(jin)(jin)(jin)固壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)螺(luo)(luo)栓(shuan)時,用塞尺檢查軸與壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)之(zhi)間的(de)間隙,這在密封(feng)腔對壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)不導向(xiang)時,顯(xian)得特(te)別重要,因為壓(ya)(ya)(ya)蓋(gai)(gai)(gai)(gai)必須對中。