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鐵嶺如何對機械密封進行更換工作

發布時間:2021-12-17 11:49:09 人氣:98912 來源:

  鐵嶺機械密封利用(yong)機械(xie)方式傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和(he)(he)(he)運(yun)動(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),機械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機械(xie)工程中應用(yong)非常廣(guang)泛,有多種形(xing)式,主(zhu)要包(bao)括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸(gua)桿蝸(gua)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)(lun)齒(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)能(neng)夠用(yong)于大功率的(de)(de)(de)場合(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比(bi)準(zhun)確(que),但一(yi)般要求較高的(de)(de)(de)制造(zao)精度和(he)(he)(he)安裝精度。還有一(yi)類是靠機件間的(de)(de)(de)摩擦(ca)力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和(he)(he)(he)運(yun)動(dong)(dong)(dong)的(de)(de)(de)摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),包(bao)括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)(he)摩擦(ca)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)容易實現無級變速,可以適應軸間距(ju)較大的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)場合(he),而(er)過載打(da)滑還能(neng)起到緩沖和(he)(he)(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置的(de)(de)(de)作用(yong),但這種傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)一(yi)般不(bu)能(neng)用(yong)于大功率的(de)(de)(de)場合(he),也不(bu)能(neng)保證(zheng)準(zhun)確(que)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比(bi)。


  傳動形式多,但是鐵嶺機械密封的(de)更換工(gong)作(zuo)大同小異,首先(xian)拆前需確認(ren)電機處于檢修狀態,擰下加油螺塞,用吸管把密封座腔內的(de)潤滑油吸出(chu)。準備好放(fang)置泵(beng)零(ling)件的(de)工(gong)作(zuo)臺及拆裝工(gong)具(ju),切勿任意亂放(fang)亂用,避免(mian)碰(peng)壞泵(beng)的(de)零(ling)部件。


  拆對分式聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器:先把(ba)聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器的固定內(nei)六角螺(luo)釘擰(ning)下(xia)來,再(zai)輕(qing)(qing)輕(qing)(qing)把(ba)聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器的一半從軸(zhou)(zhou)(zhou)(zhou)上慢慢拉下(xia),注意(yi)不要(yao)掉了(le),再(zai)用(yong)梅花扳手擰(ning)下(xia)泵軸(zhou)(zhou)(zhou)(zhou)吊緊螺(luo)栓和擋(dang)塊,讓葉輪(lun)慢慢下(xia)沉至泵體,然后拆下(xia)另外一半聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器,拿下(xia)泵軸(zhou)(zhou)(zhou)(zhou)擋(dang)圈。

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  拆卸鐵嶺機械密封:抓住密封彈簧順著泵軸往上提,就能拆下來了。


  拆卸(xie)(xie)并清(qing)洗(xi)(xi)軸(zhou)承(cheng)座:先輕輕松動一下軸(zhou)承(cheng)座后用(yong)拆卸(xie)(xie)螺(luo)栓頂起軸(zhou)承(cheng)座,并且沿著泵軸(zhou)往上提(ti)而卸(xie)(xie)下,再用(yong)噴氣燃料(liao)清(qing)洗(xi)(xi)軸(zhou)承(cheng)及座,裝前晾干并涂(tu)抹少許20號機械油用(yong)來潤滑保護。


  拆密(mi)封(feng)座:擰下密(mi)封(feng)座壓緊螺(luo)母(mu),輕(qing)輕(qing)卸下密(mi)封(feng)座并清洗。


  鐵嶺機械密封裝(zhuang)(zhuang)配:在動、靜環鏡面上(shang)涂一層(ceng)潔凈的(de)(de)20號潤(run)滑(hua)(hua)油,導軸承(cheng)座(zuo)也抹(mo)上(shang)潤(run)滑(hua)(hua)油,先把靜環輕輕定位(wei)裝(zhuang)(zhuang)入導軸承(cheng)座(zuo),再(zai)在泵軸上(shang)抹(mo)上(shang)潤(run)滑(hua)(hua)油,把動環部分(fen)輕輕裝(zhuang)(zhuang)入泵軸上(shang),用手輕推密封環應能伸縮(suo)自(zi)如,注(zhu)意(yi)動、靜環部分(fen)的(de)(de)防(fang)轉(zhuan)部位(wei)需裝(zhuang)(zhuang)配到(dao)位(wei)。


  裝(zhuang)聯(lian)(lian)軸器(qi):在(zai)電機軸頭上(shang)裝(zhuang)上(shang)擋(dang)圈,裝(zhuang)上(shang)一半聯(lian)(lian)軸器(qi),再在(zai)泵軸端和聯(lian)(lian)軸器(qi)槽內裝(zhuang)上(shang)擋(dang)塊并用梅花扳手(shou)擰緊螺(luo)栓;再裝(zhuang)上(shang)另一半聯(lian)(lian)軸器(qi)擰上(shang)內六角螺(luo)釘(ding)。安裝(zhuang)聯(lian)(lian)軸器(qi)正確的(de)檢查要求:對分(fen)式(shi)聯(lian)(lian)軸器(qi)上(shang)下間隙需要均勻,用手(shou)盤動聯(lian)(lian)軸器(qi)幾圈檢查轉動的(de)靈活性(xing)。


  裝(zhuang)(zhuang)密(mi)封(feng)(feng)座(zuo):先將密(mi)封(feng)(feng)座(zuo)裝(zhuang)(zhuang)入橡膠油封(feng)(feng),再把(ba)密(mi)封(feng)(feng)座(zuo)裝(zhuang)(zhuang)入泵蓋并壓(ya)在軸(zhou)(zhou)承座(zuo)上,擰緊(jin)(jin)(jin)(jin)螺母,確保(bao)所(suo)有安裝(zhuang)(zhuang)螺釘(ding)緊(jin)(jin)(jin)(jin)固(gu)。當安裝(zhuang)(zhuang)螺釘(ding)被用作密(mi)封(feng)(feng)與(yu)(yu)軸(zhou)(zhou)之間(jian)的驅動(dong)時(shi)(shi)(shi),軸(zhou)(zhou)應打埋(mai)頭孔來加固(gu)連(lian)接,緊(jin)(jin)(jin)(jin)固(gu)壓(ya)蓋螺栓(shuan)時(shi)(shi)(shi)應該平穩(wen)緊(jin)(jin)(jin)(jin)固(gu),并且不(bu)要(yao)使壓(ya)蓋受彈力。在可(ke)能的地方使用4個以上螺釘(ding)的等間(jian)距(ju)壓(ya)蓋,緊(jin)(jin)(jin)(jin)固(gu)壓(ya)蓋螺栓(shuan)時(shi)(shi)(shi),用塞(sai)尺檢查軸(zhou)(zhou)與(yu)(yu)壓(ya)蓋之間(jian)的間(jian)隙,這在密(mi)封(feng)(feng)腔對壓(ya)蓋不(bu)導(dao)向時(shi)(shi)(shi),顯(xian)得特別重要(yao),因(yin)為壓(ya)蓋必(bi)須(xu)對中。