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海陵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:179203 來源:川工密(mi)封

  海陵機械密封利用(yong)(yong)(yong)機(ji)械(xie)(xie)方式傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機(ji)械(xie)(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在(zai)機(ji)械(xie)(xie)工程中應用(yong)(yong)(yong)非常廣泛,有(you)多種(zhong)形(xing)式,主(zhu)要包(bao)括皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪齒(chi)(chi)條(tiao)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)(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能夠用(yong)(yong)(yong)于大(da)功率的(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比準確,但(dan)一般要求較高(gao)的(de)制(zhi)造精度和(he)(he)安裝精度。還(huan)有(you)一類(lei)是靠機(ji)件間的(de)摩(mo)(mo)擦(ca)力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包(bao)括帶(dai)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(mo)(mo)擦(ca)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實現無級變速,可以適應軸間距較大(da)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合,而過載打滑還(huan)能起到(dao)緩(huan)沖(chong)和(he)(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)作用(yong)(yong)(yong),但(dan)這種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)一般不(bu)能用(yong)(yong)(yong)于大(da)功率的(de)場(chang)合,也不(bu)能保證準確的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是海陵機械密封的更換工(gong)作大(da)同小異(yi),首先拆前需確認電機(ji)處于檢修狀態,擰下(xia)加(jia)油(you)(you)螺塞(sai),用(yong)吸(xi)管把密封座腔內的潤滑油(you)(you)吸(xi)出。準備(bei)好放(fang)置泵零件的工(gong)作臺及拆裝工(gong)具(ju),切勿任意亂(luan)放(fang)亂(luan)用(yong),避免碰壞泵的零部件。

  拆對分式(shi)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi):先把聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)的(de)固定內(nei)六角(jiao)螺釘擰(ning)下來,再輕輕把聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)的(de)一半從軸(zhou)(zhou)(zhou)上慢(man)慢(man)拉下,注意不要掉了,再用梅花扳手擰(ning)下泵(beng)軸(zhou)(zhou)(zhou)吊(diao)緊螺栓和擋(dang)塊(kuai),讓葉輪慢(man)慢(man)下沉(chen)至(zhi)泵(beng)體,然后拆下另外一半聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi),拿(na)下泵(beng)軸(zhou)(zhou)(zhou)擋(dang)圈。

  拆卸海陵機械密封:抓(zhua)住密封彈(dan)簧順著(zhu)泵軸(zhou)往上提(ti),就(jiu)能拆下來了。

  拆(chai)卸(xie)并清洗(xi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)座(zuo):先輕(qing)輕(qing)松動(dong)一下軸(zhou)(zhou)(zhou)承(cheng)(cheng)座(zuo)后用拆(chai)卸(xie)螺(luo)栓頂(ding)起軸(zhou)(zhou)(zhou)承(cheng)(cheng)座(zuo),并且(qie)沿著泵軸(zhou)(zhou)(zhou)往上(shang)提而(er)卸(xie)下,再用噴氣燃(ran)料(liao)清洗(xi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)及座(zuo),裝前晾干(gan)并涂抹(mo)少許20號(hao)機械(xie)油用來(lai)潤滑保(bao)護。

  拆密(mi)封(feng)座(zuo)(zuo)(zuo):擰下(xia)密(mi)封(feng)座(zuo)(zuo)(zuo)壓緊螺母(mu),輕輕卸(xie)下(xia)密(mi)封(feng)座(zuo)(zuo)(zuo)并清洗。

  海陵機械密封裝(zhuang)(zhuang)配(pei):在動、靜(jing)環(huan)鏡面上涂(tu)一(yi)層潔凈的(de)20號潤(run)滑(hua)油(you),導(dao)軸(zhou)承座也抹上潤(run)滑(hua)油(you),先把(ba)靜(jing)環(huan)輕輕定位(wei)裝(zhuang)(zhuang)入(ru)導(dao)軸(zhou)承座,再(zai)在泵(beng)軸(zhou)上抹上潤(run)滑(hua)油(you),把(ba)動環(huan)部(bu)分輕輕裝(zhuang)(zhuang)入(ru)泵(beng)軸(zhou)上,用手輕推密封環(huan)應能(neng)伸縮自如,注意動、靜(jing)環(huan)部(bu)分的(de)防轉(zhuan)部(bu)位(wei)需(xu)裝(zhuang)(zhuang)配(pei)到位(wei)。

  裝(zhuang)聯軸(zhou)(zhou)器(qi):在電機軸(zhou)(zhou)頭上(shang)(shang)裝(zhuang)上(shang)(shang)擋圈,裝(zhuang)上(shang)(shang)一(yi)半(ban)聯軸(zhou)(zhou)器(qi),再在泵軸(zhou)(zhou)端和聯軸(zhou)(zhou)器(qi)槽內裝(zhuang)上(shang)(shang)擋塊并用(yong)梅花扳手擰(ning)緊螺栓;再裝(zhuang)上(shang)(shang)另一(yi)半(ban)聯軸(zhou)(zhou)器(qi)擰(ning)上(shang)(shang)內六角螺釘。安裝(zhuang)聯軸(zhou)(zhou)器(qi)正確的(de)檢查(cha)要(yao)求:對分式聯軸(zhou)(zhou)器(qi)上(shang)(shang)下(xia)間隙需要(yao)均勻,用(yong)手盤動(dong)聯軸(zhou)(zhou)器(qi)幾圈檢查(cha)轉動(dong)的(de)靈活性。

  裝(zhuang)(zhuang)(zhuang)密封(feng)座(zuo):先(xian)將(jiang)密封(feng)座(zuo)裝(zhuang)(zhuang)(zhuang)入(ru)橡膠油封(feng),再把(ba)密封(feng)座(zuo)裝(zhuang)(zhuang)(zhuang)入(ru)泵蓋(gai)(gai)并壓(ya)在(zai)軸(zhou)(zhou)承座(zuo)上(shang),擰緊(jin)螺(luo)(luo)(luo)母,確保所有(you)安(an)裝(zhuang)(zhuang)(zhuang)螺(luo)(luo)(luo)釘緊(jin)固(gu)(gu)。當安(an)裝(zhuang)(zhuang)(zhuang)螺(luo)(luo)(luo)釘被(bei)用(yong)作密封(feng)與軸(zhou)(zhou)之間(jian)(jian)的(de)驅動時,軸(zhou)(zhou)應(ying)打埋頭孔來(lai)加(jia)固(gu)(gu)連接(jie),緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時應(ying)該平穩(wen)緊(jin)固(gu)(gu),并且不(bu)要使壓(ya)蓋(gai)(gai)受彈力(li)。在(zai)可能的(de)地方(fang)使用(yong)4個以上(shang)螺(luo)(luo)(luo)釘的(de)等間(jian)(jian)距(ju)壓(ya)蓋(gai)(gai),緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時,用(yong)塞尺檢(jian)查軸(zhou)(zhou)與壓(ya)蓋(gai)(gai)之間(jian)(jian)的(de)間(jian)(jian)隙,這在(zai)密封(feng)腔對(dui)壓(ya)蓋(gai)(gai)不(bu)導向時,顯得特別(bie)重要,因為(wei)壓(ya)蓋(gai)(gai)必須對(dui)中。