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臺兒莊如何對機械密封進行更換工作

發布時間(jian):2021-06-01 15:17:49 人氣:183169 來源:川工(gong)密封

  臺兒莊機械密封利用機械(xie)方式傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機械(xie)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在機械(xie)工(gong)程中應用非(fei)常廣泛(fan),有(you)多種形式,主要包括皮帶(dai)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)齒條傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和螺旋傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。齒輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能(neng)夠用于大(da)功率的(de)場(chang)合(he)(he),傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準確(que),但一(yi)般(ban)(ban)要求較高(gao)的(de)制造精度和安裝精度。還有(you)一(yi)類是靠機件間(jian)的(de)摩擦(ca)力傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)摩擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包括帶(dai)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和摩擦(ca)輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。摩擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實(shi)現無(wu)級變速,可以適應軸(zhou)間(jian)距較大(da)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he)(he),而過載打滑還能(neng)起到緩沖和保護(hu)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)作用,但這種傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)一(yi)般(ban)(ban)不能(neng)用于大(da)功率的(de)場(chang)合(he)(he),也不能(neng)保證準確(que)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是臺兒莊機械密封的(de)(de)(de)更(geng)換工作(zuo)大同(tong)小異,首先拆前需確認電(dian)機處(chu)于檢修狀(zhuang)態(tai),擰下(xia)加(jia)油螺塞,用吸(xi)管把(ba)密封座腔內的(de)(de)(de)潤(run)滑油吸(xi)出。準備好放置泵零件(jian)的(de)(de)(de)工作(zuo)臺及拆裝工具,切勿(wu)任意亂(luan)放亂(luan)用,避免(mian)碰壞泵的(de)(de)(de)零部件(jian)。

  拆(chai)(chai)對分(fen)式聯(lian)(lian)軸器:先把聯(lian)(lian)軸器的固定內六角螺釘擰(ning)下(xia)來,再(zai)輕輕把聯(lian)(lian)軸器的一(yi)半從軸上慢慢拉(la)下(xia),注(zhu)意不(bu)要掉了,再(zai)用梅花扳(ban)手擰(ning)下(xia)泵(beng)軸吊緊螺栓(shuan)和擋(dang)塊,讓葉輪慢慢下(xia)沉至泵(beng)體,然后拆(chai)(chai)下(xia)另外一(yi)半聯(lian)(lian)軸器,拿下(xia)泵(beng)軸擋(dang)圈。

  拆卸臺兒莊機械密封:抓住密封彈(dan)簧順著泵軸往上提,就(jiu)能拆(chai)下來了(le)。

  拆(chai)卸(xie)并清洗軸(zhou)(zhou)承座(zuo):先輕輕松動(dong)一下軸(zhou)(zhou)承座(zuo)后用拆(chai)卸(xie)螺栓頂(ding)起軸(zhou)(zhou)承座(zuo),并且沿(yan)著泵軸(zhou)(zhou)往(wang)上提而卸(xie)下,再用噴氣燃料清洗軸(zhou)(zhou)承及(ji)座(zuo),裝(zhuang)前晾干并涂抹少許20號(hao)機械油(you)用來潤滑保護(hu)。

  拆密封(feng)座(zuo):擰下(xia)密封(feng)座(zuo)壓(ya)緊(jin)螺母,輕輕卸下(xia)密封(feng)座(zuo)并(bing)清洗。

  臺兒莊機械密封裝配(pei):在動、靜環鏡面上(shang)(shang)(shang)涂一層(ceng)潔凈的(de)20號潤滑油(you),導(dao)軸承座(zuo)也抹(mo)上(shang)(shang)(shang)潤滑油(you),先(xian)把(ba)靜環輕輕定位裝入導(dao)軸承座(zuo),再在泵(beng)軸上(shang)(shang)(shang)抹(mo)上(shang)(shang)(shang)潤滑油(you),把(ba)動環部(bu)分(fen)輕輕裝入泵(beng)軸上(shang)(shang)(shang),用手輕推密封環應能伸(shen)縮自如,注(zhu)意(yi)動、靜環部(bu)分(fen)的(de)防轉部(bu)位需裝配(pei)到位。

  裝(zhuang)(zhuang)(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi):在(zai)電機軸(zhou)(zhou)(zhou)頭上裝(zhuang)(zhuang)(zhuang)上擋圈,裝(zhuang)(zhuang)(zhuang)上一(yi)(yi)半聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi),再(zai)在(zai)泵(beng)軸(zhou)(zhou)(zhou)端和(he)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)槽內(nei)裝(zhuang)(zhuang)(zhuang)上擋塊并用(yong)梅花(hua)扳手擰緊螺栓;再(zai)裝(zhuang)(zhuang)(zhuang)上另一(yi)(yi)半聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)擰上內(nei)六(liu)角螺釘。安裝(zhuang)(zhuang)(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)正確的檢查(cha)要(yao)求:對分(fen)式聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)上下間(jian)隙需要(yao)均勻(yun),用(yong)手盤動聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)幾圈檢查(cha)轉(zhuan)動的靈(ling)活性(xing)。

  裝(zhuang)(zhuang)密封(feng)(feng)座(zuo)(zuo):先將密封(feng)(feng)座(zuo)(zuo)裝(zhuang)(zhuang)入橡膠(jiao)油封(feng)(feng),再把密封(feng)(feng)座(zuo)(zuo)裝(zhuang)(zhuang)入泵(beng)蓋(gai)(gai)并壓(ya)(ya)在(zai)軸承座(zuo)(zuo)上,擰緊(jin)(jin)(jin)螺(luo)(luo)(luo)母,確(que)保(bao)所(suo)有安(an)裝(zhuang)(zhuang)螺(luo)(luo)(luo)釘緊(jin)(jin)(jin)固(gu)(gu)。當安(an)裝(zhuang)(zhuang)螺(luo)(luo)(luo)釘被用(yong)(yong)作密封(feng)(feng)與軸之(zhi)間的驅動時,軸應打(da)埋(mai)頭孔來(lai)加(jia)固(gu)(gu)連接,緊(jin)(jin)(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時應該平(ping)穩緊(jin)(jin)(jin)固(gu)(gu),并且不要(yao)使壓(ya)(ya)蓋(gai)(gai)受彈力。在(zai)可能的地方使用(yong)(yong)4個以上螺(luo)(luo)(luo)釘的等(deng)間距壓(ya)(ya)蓋(gai)(gai),緊(jin)(jin)(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時,用(yong)(yong)塞尺檢(jian)查軸與壓(ya)(ya)蓋(gai)(gai)之(zhi)間的間隙,這(zhe)在(zai)密封(feng)(feng)腔對(dui)壓(ya)(ya)蓋(gai)(gai)不導向(xiang)時,顯(xian)得特別重(zhong)要(yao),因(yin)為壓(ya)(ya)蓋(gai)(gai)必須對(dui)中。