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蒼南如何對機械密封進行更換工作

發(fa)布時間:2021-06-01 15:17:49 人氣:184432 來(lai)源:川工密封

  蒼南機械密封利用(yong)(yong)(yong)機(ji)械(xie)方式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)力(li)和(he)(he)(he)運(yun)(yun)動(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),機(ji)械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機(ji)械(xie)工程中應用(yong)(yong)(yong)非常廣泛,有(you)多種形式,主(zhu)要包括皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸(gua)桿蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)能(neng)夠用(yong)(yong)(yong)于大功率的(de)場合(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比準確,但(dan)一(yi)般要求較高的(de)制造精(jing)度和(he)(he)(he)安裝精(jing)度。還(huan)有(you)一(yi)類是(shi)靠機(ji)件間(jian)的(de)摩擦(ca)力(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)力(li)和(he)(he)(he)運(yun)(yun)動(dong)(dong)(dong)的(de)摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),包括帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)(he)摩擦(ca)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)容易實現無級變(bian)速,可以適(shi)應軸(zhou)間(jian)距較大的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)場合(he),而(er)過載打滑還(huan)能(neng)起(qi)到緩沖和(he)(he)(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置的(de)作用(yong)(yong)(yong),但(dan)這種傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)一(yi)般不能(neng)用(yong)(yong)(yong)于大功率的(de)場合(he),也不能(neng)保證(zheng)準確的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比。

  傳動形式多,但是蒼南機械密封的更換工作大同(tong)小(xiao)異,首先拆前需確認(ren)電機處于檢修狀態(tai),擰下(xia)加油(you)螺塞,用吸(xi)管(guan)把密封座腔內的潤滑(hua)油(you)吸(xi)出。準備好放(fang)置泵零件(jian)的工作臺及拆裝(zhuang)工具,切勿任意亂(luan)(luan)放(fang)亂(luan)(luan)用,避免碰壞泵的零部件(jian)。

  拆對分式聯軸(zhou)(zhou)(zhou)(zhou)器:先把(ba)聯軸(zhou)(zhou)(zhou)(zhou)器的(de)固定內六角螺釘擰(ning)下(xia)來,再輕輕把(ba)聯軸(zhou)(zhou)(zhou)(zhou)器的(de)一半從軸(zhou)(zhou)(zhou)(zhou)上(shang)慢(man)(man)(man)慢(man)(man)(man)拉(la)下(xia),注意不要掉了,再用(yong)梅花(hua)扳手(shou)擰(ning)下(xia)泵(beng)(beng)軸(zhou)(zhou)(zhou)(zhou)吊緊螺栓和擋(dang)塊,讓(rang)葉輪慢(man)(man)(man)慢(man)(man)(man)下(xia)沉(chen)至泵(beng)(beng)體,然后(hou)拆下(xia)另(ling)外一半聯軸(zhou)(zhou)(zhou)(zhou)器,拿下(xia)泵(beng)(beng)軸(zhou)(zhou)(zhou)(zhou)擋(dang)圈。

  拆卸蒼南機械密封:抓(zhua)住(zhu)密封彈簧順(shun)著泵軸往上提,就能拆(chai)下(xia)來了。

  拆卸(xie)并清洗(xi)軸承(cheng)(cheng)座(zuo):先輕(qing)輕(qing)松動一下(xia)軸承(cheng)(cheng)座(zuo)后(hou)用(yong)拆卸(xie)螺栓頂起軸承(cheng)(cheng)座(zuo),并且(qie)沿著泵軸往上提而(er)卸(xie)下(xia),再用(yong)噴氣燃料清洗(xi)軸承(cheng)(cheng)及(ji)座(zuo),裝前晾干并涂抹(mo)少許20號機械油用(yong)來潤滑保護。

  拆密封(feng)座(zuo):擰下(xia)密封(feng)座(zuo)壓緊(jin)螺(luo)母,輕輕卸下(xia)密封(feng)座(zuo)并清洗。

  蒼南機械密封裝(zhuang)(zhuang)(zhuang)配:在動(dong)、靜環(huan)(huan)鏡面(mian)上(shang)涂一層(ceng)潔凈的(de)20號潤滑(hua)油,導(dao)軸承座也抹(mo)上(shang)潤滑(hua)油,先把靜環(huan)(huan)輕(qing)(qing)輕(qing)(qing)定位(wei)(wei)裝(zhuang)(zhuang)(zhuang)入導(dao)軸承座,再在泵軸上(shang)抹(mo)上(shang)潤滑(hua)油,把動(dong)環(huan)(huan)部分(fen)輕(qing)(qing)輕(qing)(qing)裝(zhuang)(zhuang)(zhuang)入泵軸上(shang),用手輕(qing)(qing)推密(mi)封環(huan)(huan)應(ying)能伸縮(suo)自(zi)如(ru),注意動(dong)、靜環(huan)(huan)部分(fen)的(de)防(fang)轉部位(wei)(wei)需(xu)裝(zhuang)(zhuang)(zhuang)配到位(wei)(wei)。

  裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)器:在(zai)電機軸(zhou)頭(tou)上裝(zhuang)(zhuang)上擋(dang)圈,裝(zhuang)(zhuang)上一半聯(lian)(lian)(lian)軸(zhou)器,再在(zai)泵軸(zhou)端(duan)和(he)聯(lian)(lian)(lian)軸(zhou)器槽內(nei)裝(zhuang)(zhuang)上擋(dang)塊并用梅花扳手(shou)擰緊螺栓;再裝(zhuang)(zhuang)上另一半聯(lian)(lian)(lian)軸(zhou)器擰上內(nei)六(liu)角螺釘(ding)。安裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)器正確的(de)檢(jian)查要求(qiu):對分式聯(lian)(lian)(lian)軸(zhou)器上下間隙(xi)需要均勻,用手(shou)盤動聯(lian)(lian)(lian)軸(zhou)器幾圈檢(jian)查轉動的(de)靈活性。

  裝(zhuang)密封(feng)(feng)(feng)(feng)座(zuo):先將(jiang)密封(feng)(feng)(feng)(feng)座(zuo)裝(zhuang)入橡膠油封(feng)(feng)(feng)(feng),再把密封(feng)(feng)(feng)(feng)座(zuo)裝(zhuang)入泵蓋(gai)(gai)(gai)并(bing)壓(ya)在(zai)軸承座(zuo)上(shang),擰緊(jin)螺母,確保(bao)所有安(an)裝(zhuang)螺釘(ding)緊(jin)固(gu)。當安(an)裝(zhuang)螺釘(ding)被用作密封(feng)(feng)(feng)(feng)與(yu)(yu)軸之間的(de)驅動時(shi),軸應打(da)埋(mai)頭孔(kong)來加固(gu)連接,緊(jin)固(gu)壓(ya)蓋(gai)(gai)(gai)螺栓時(shi)應該平穩緊(jin)固(gu),并(bing)且不(bu)要(yao)使(shi)(shi)壓(ya)蓋(gai)(gai)(gai)受彈力。在(zai)可(ke)能的(de)地方使(shi)(shi)用4個以上(shang)螺釘(ding)的(de)等間距(ju)壓(ya)蓋(gai)(gai)(gai),緊(jin)固(gu)壓(ya)蓋(gai)(gai)(gai)螺栓時(shi),用塞尺檢查軸與(yu)(yu)壓(ya)蓋(gai)(gai)(gai)之間的(de)間隙,這在(zai)密封(feng)(feng)(feng)(feng)腔對壓(ya)蓋(gai)(gai)(gai)不(bu)導向時(shi),顯(xian)得特(te)別(bie)重要(yao),因(yin)為(wei)壓(ya)蓋(gai)(gai)(gai)必須對中(zhong)。