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合川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:183908 來源:川工密封

  合川機械密封利用(yong)機(ji)械(xie)方式傳(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)力(li)(li)和運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機(ji)械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在機(ji)械(xie)工(gong)程(cheng)中(zhong)應(ying)用(yong)非常廣(guang)泛,有多種形式,主要包(bao)(bao)括皮帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸(gua)(gua)桿蝸(gua)(gua)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪齒(chi)(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和螺(luo)旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)(deng)。齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用(yong)于(yu)大功(gong)率的(de)(de)(de)場(chang)合(he),傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)準確,但(dan)一(yi)般要求較(jiao)高的(de)(de)(de)制造精度和安(an)裝精度。還有一(yi)類(lei)是靠機(ji)件間的(de)(de)(de)摩(mo)擦(ca)力(li)(li)傳(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)力(li)(li)和運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包(bao)(bao)括帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和摩(mo)擦(ca)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)(deng)。摩(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容(rong)易實(shi)現無級變速,可以適應(ying)軸間距較(jiao)大的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場(chang)合(he),而(er)過(guo)載打滑還能起到(dao)緩(huan)沖和保(bao)護傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)(de)作用(yong),但(dan)這種傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一(yi)般不(bu)能用(yong)于(yu)大功(gong)率的(de)(de)(de)場(chang)合(he),也不(bu)能保(bao)證準確的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是合川機械密封的更換工(gong)作大同(tong)小異,首先拆前需確認電(dian)機處于(yu)檢修狀態,擰下加(jia)油螺塞,用吸管(guan)把密封座腔內(nei)的潤滑油吸出(chu)。準備好放(fang)置泵(beng)零件(jian)的工(gong)作臺及拆裝工(gong)具,切勿任意亂放(fang)亂用,避免碰壞泵(beng)的零部件(jian)。

  拆對分式聯(lian)軸(zhou)(zhou)器(qi):先把聯(lian)軸(zhou)(zhou)器(qi)的固(gu)定內六角螺釘擰下來(lai),再輕輕把聯(lian)軸(zhou)(zhou)器(qi)的一半(ban)從軸(zhou)(zhou)上慢(man)(man)慢(man)(man)拉下,注(zhu)意不要掉了,再用(yong)梅花扳手(shou)擰下泵(beng)(beng)軸(zhou)(zhou)吊緊螺栓和(he)擋(dang)塊,讓葉輪(lun)慢(man)(man)慢(man)(man)下沉至(zhi)泵(beng)(beng)體,然后(hou)拆下另外(wai)一半(ban)聯(lian)軸(zhou)(zhou)器(qi),拿下泵(beng)(beng)軸(zhou)(zhou)擋(dang)圈(quan)。

  拆卸合川機械密封:抓(zhua)住密封彈簧順(shun)著泵軸往上提,就能拆下(xia)來了(le)。

  拆卸(xie)并清(qing)洗(xi)軸(zhou)承座:先(xian)輕輕松動(dong)一(yi)下軸(zhou)承座后用(yong)拆卸(xie)螺栓頂起軸(zhou)承座,并且(qie)沿著泵軸(zhou)往上提(ti)而卸(xie)下,再用(yong)噴氣(qi)燃料清(qing)洗(xi)軸(zhou)承及(ji)座,裝前晾干并涂抹少(shao)許(xu)20號機(ji)械油用(yong)來潤滑保護。

  拆密封(feng)座:擰下密封(feng)座壓緊螺母(mu),輕輕卸(xie)下密封(feng)座并清(qing)洗。

  合川機械密封裝(zhuang)配(pei):在(zai)動、靜環鏡面(mian)上涂一層潔凈(jing)的(de)20號潤滑(hua)油,導軸(zhou)(zhou)承座也(ye)抹上潤滑(hua)油,先把(ba)(ba)靜環輕(qing)輕(qing)定位(wei)裝(zhuang)入導軸(zhou)(zhou)承座,再在(zai)泵軸(zhou)(zhou)上抹上潤滑(hua)油,把(ba)(ba)動環部分輕(qing)輕(qing)裝(zhuang)入泵軸(zhou)(zhou)上,用手輕(qing)推密(mi)封環應(ying)能伸縮自如,注意動、靜環部分的(de)防轉部位(wei)需裝(zhuang)配(pei)到(dao)位(wei)。

  裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi):在電(dian)機軸(zhou)(zhou)(zhou)(zhou)頭上裝(zhuang)(zhuang)上擋(dang)圈(quan),裝(zhuang)(zhuang)上一半聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi),再在泵(beng)軸(zhou)(zhou)(zhou)(zhou)端和聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)槽(cao)內裝(zhuang)(zhuang)上擋(dang)塊并用梅花扳手(shou)擰(ning)緊螺(luo)栓(shuan);再裝(zhuang)(zhuang)上另(ling)一半聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)擰(ning)上內六角(jiao)螺(luo)釘。安裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)正確的檢查要求:對分(fen)式聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)上下間隙需要均勻,用手(shou)盤動聯(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)幾圈(quan)檢查轉動的靈活性。

  裝密(mi)封座:先(xian)將(jiang)密(mi)封座裝入橡(xiang)膠油封,再(zai)把密(mi)封座裝入泵(beng)蓋并(bing)壓(ya)(ya)在(zai)軸承座上,擰(ning)緊(jin)(jin)(jin)螺母,確保所有安裝螺釘緊(jin)(jin)(jin)固(gu)。當安裝螺釘被(bei)用作(zuo)密(mi)封與軸之(zhi)(zhi)間的(de)驅動時(shi),軸應打(da)埋頭(tou)孔來加固(gu)連接,緊(jin)(jin)(jin)固(gu)壓(ya)(ya)蓋螺栓時(shi)應該平穩(wen)緊(jin)(jin)(jin)固(gu),并(bing)且(qie)不(bu)(bu)要使壓(ya)(ya)蓋受彈力。在(zai)可(ke)能的(de)地方使用4個(ge)以上螺釘的(de)等(deng)間距壓(ya)(ya)蓋,緊(jin)(jin)(jin)固(gu)壓(ya)(ya)蓋螺栓時(shi),用塞尺檢查軸與壓(ya)(ya)蓋之(zhi)(zhi)間的(de)間隙,這在(zai)密(mi)封腔對壓(ya)(ya)蓋不(bu)(bu)導(dao)向時(shi),顯得特別(bie)重要,因為壓(ya)(ya)蓋必須對中(zhong)。