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交城如何對機械密封進行更換工作

發布(bu)時間:2021-06-01 15:17:49 人氣:172389 來源:川工密封

  交城機械密封利用機(ji)械方(fang)式傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在機(ji)械工(gong)程中應用非常廣泛(fan),有多種(zhong)形式,主要包括(kuo)皮帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)螺(luo)旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等(deng)(deng)。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能夠用于大(da)功率(lv)的(de)(de)(de)場(chang)合(he)(he),傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比準確,但(dan)一(yi)般要求較(jiao)高的(de)(de)(de)制造精(jing)度和(he)安裝精(jing)度。還有一(yi)類是靠(kao)機(ji)件(jian)間的(de)(de)(de)摩擦(ca)力(li)(li)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包括(kuo)帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)摩擦(ca)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等(deng)(deng)。摩擦(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容易實現無級(ji)變速,可以適應軸間距較(jiao)大(da)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he)(he),而過載(zai)打滑還能起到緩(huan)沖(chong)和(he)保(bao)護傳(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)動(dong)(dong)(dong)(dong)(dong)(dong)一(yi)般不能用于大(da)功率(lv)的(de)(de)(de)場(chang)合(he)(he),也不能保(bao)證準確的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是交城機械密封的更換工(gong)作大同小異(yi),首先拆前需確(que)認電機處于檢修狀態,擰下加油螺塞,用(yong)吸管把(ba)密封座腔內的潤滑油吸出。準備好放(fang)(fang)置泵零件(jian)的工(gong)作臺及拆裝工(gong)具,切勿任意亂(luan)放(fang)(fang)亂(luan)用(yong),避免碰(peng)壞泵的零部件(jian)。

  拆對(dui)分式(shi)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi):先把聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)的固定內(nei)六(liu)角螺釘擰下來(lai),再輕輕把聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)的一半從軸(zhou)(zhou)(zhou)上(shang)慢(man)慢(man)拉下,注意不要掉了(le),再用梅花扳手擰下泵(beng)(beng)軸(zhou)(zhou)(zhou)吊緊(jin)螺栓和擋塊(kuai),讓葉輪慢(man)慢(man)下沉至泵(beng)(beng)體,然后拆下另(ling)外一半聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi),拿下泵(beng)(beng)軸(zhou)(zhou)(zhou)擋圈。

  拆卸交城機械密封:抓住密(mi)封彈簧順著泵軸往上(shang)提,就(jiu)能拆(chai)下來(lai)了。

  拆卸并清洗(xi)軸(zhou)(zhou)承(cheng)(cheng)(cheng)座(zuo)(zuo):先輕輕松動(dong)一(yi)下軸(zhou)(zhou)承(cheng)(cheng)(cheng)座(zuo)(zuo)后用(yong)拆卸螺栓頂(ding)起軸(zhou)(zhou)承(cheng)(cheng)(cheng)座(zuo)(zuo),并且沿著泵軸(zhou)(zhou)往上(shang)提而卸下,再用(yong)噴氣燃料清洗(xi)軸(zhou)(zhou)承(cheng)(cheng)(cheng)及座(zuo)(zuo),裝前晾干并涂抹少許20號機械油用(yong)來潤滑保護(hu)。

  拆密(mi)封(feng)座:擰(ning)下(xia)密(mi)封(feng)座壓緊螺(luo)母(mu),輕輕卸下(xia)密(mi)封(feng)座并清洗。

  交城機械密封裝(zhuang)配:在動、靜環(huan)鏡面上(shang)(shang)涂一層潔凈的(de)20號潤滑(hua)油,導(dao)(dao)軸承座也抹上(shang)(shang)潤滑(hua)油,先把靜環(huan)輕(qing)(qing)輕(qing)(qing)定(ding)位(wei)(wei)裝(zhuang)入導(dao)(dao)軸承座,再在泵軸上(shang)(shang)抹上(shang)(shang)潤滑(hua)油,把動環(huan)部(bu)分輕(qing)(qing)輕(qing)(qing)裝(zhuang)入泵軸上(shang)(shang),用手輕(qing)(qing)推密封環(huan)應能伸(shen)縮自如,注意動、靜環(huan)部(bu)分的(de)防轉部(bu)位(wei)(wei)需(xu)裝(zhuang)配到位(wei)(wei)。

  裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi):在電機(ji)軸(zhou)(zhou)(zhou)頭(tou)上(shang)(shang)(shang)裝(zhuang)(zhuang)上(shang)(shang)(shang)擋圈(quan),裝(zhuang)(zhuang)上(shang)(shang)(shang)一半聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi),再在泵(beng)軸(zhou)(zhou)(zhou)端和聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)槽內(nei)裝(zhuang)(zhuang)上(shang)(shang)(shang)擋塊并(bing)用梅(mei)花(hua)扳手(shou)擰緊螺(luo)栓;再裝(zhuang)(zhuang)上(shang)(shang)(shang)另一半聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)擰上(shang)(shang)(shang)內(nei)六角(jiao)螺(luo)釘。安裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)正(zheng)確的檢查(cha)要求:對分式聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)上(shang)(shang)(shang)下間隙需(xu)要均勻,用手(shou)盤動(dong)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)幾圈(quan)檢查(cha)轉動(dong)的靈活性。

  裝密(mi)(mi)封(feng)座:先(xian)將密(mi)(mi)封(feng)座裝入橡膠油封(feng),再把密(mi)(mi)封(feng)座裝入泵蓋并壓(ya)(ya)(ya)(ya)在(zai)(zai)軸承座上,擰緊螺母,確保所有安(an)裝螺釘(ding)(ding)緊固(gu)。當安(an)裝螺釘(ding)(ding)被用作密(mi)(mi)封(feng)與軸之(zhi)間(jian)的驅動(dong)時,軸應打埋(mai)頭孔(kong)來加固(gu)連接,緊固(gu)壓(ya)(ya)(ya)(ya)蓋螺栓時應該平穩緊固(gu),并且不要(yao)使(shi)壓(ya)(ya)(ya)(ya)蓋受彈(dan)力(li)。在(zai)(zai)可能的地方使(shi)用4個以上螺釘(ding)(ding)的等(deng)間(jian)距(ju)壓(ya)(ya)(ya)(ya)蓋,緊固(gu)壓(ya)(ya)(ya)(ya)蓋螺栓時,用塞尺檢查軸與壓(ya)(ya)(ya)(ya)蓋之(zhi)間(jian)的間(jian)隙,這在(zai)(zai)密(mi)(mi)封(feng)腔對壓(ya)(ya)(ya)(ya)蓋不導向時,顯得特別重要(yao),因(yin)為壓(ya)(ya)(ya)(ya)蓋必須對中。