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隨縣如何對機械密封進行更換工作

發布時間(jian):2021-06-01 15:17:49 人氣(qi):172608 來(lai)源:川工密(mi)封

  隨縣機械密封利用機(ji)(ji)(ji)械方式傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong),機(ji)(ji)(ji)械傳(chuan)(chuan)動(dong)(dong)(dong)(dong)在(zai)機(ji)(ji)(ji)械工程中應用非常廣(guang)泛,有多種(zhong)形(xing)式,主要(yao)包(bao)(bao)括(kuo)皮(pi)帶(dai)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒輪傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒輪齒條傳(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)螺旋傳(chuan)(chuan)動(dong)(dong)(dong)(dong)等。齒輪傳(chuan)(chuan)動(dong)(dong)(dong)(dong)能(neng)夠(gou)用于(yu)大(da)功(gong)(gong)率的(de)(de)場(chang)合(he)(he),傳(chuan)(chuan)動(dong)(dong)(dong)(dong)比準確(que),但一(yi)(yi)般要(yao)求較(jiao)高的(de)(de)制造(zao)精(jing)度(du)(du)和(he)安裝精(jing)度(du)(du)。還(huan)有一(yi)(yi)類(lei)是靠機(ji)(ji)(ji)件間的(de)(de)摩擦(ca)力(li)(li)傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)的(de)(de)摩擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong),包(bao)(bao)括(kuo)帶(dai)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)摩擦(ca)輪傳(chuan)(chuan)動(dong)(dong)(dong)(dong)等。摩擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)容易實(shi)現無(wu)級變(bian)速(su),可以適應軸間距較(jiao)大(da)的(de)(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)場(chang)合(he)(he),而過載(zai)打滑還(huan)能(neng)起到緩沖和(he)保(bao)護傳(chuan)(chuan)動(dong)(dong)(dong)(dong)裝置的(de)(de)作用,但這種(zhong)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)一(yi)(yi)般不能(neng)用于(yu)大(da)功(gong)(gong)率的(de)(de)場(chang)合(he)(he),也不能(neng)保(bao)證準確(que)的(de)(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)比。

  傳動形式多,但是隨縣機械密封的更換工作(zuo)大(da)同(tong)小(xiao)異,首先(xian)拆前需確認電機處于檢修狀態,擰下(xia)加(jia)油(you)(you)螺(luo)塞,用吸管把密封座腔內的潤(run)滑油(you)(you)吸出(chu)。準(zhun)備好放置泵零件的工作(zuo)臺及拆裝(zhuang)工具,切勿任意亂(luan)放亂(luan)用,避免碰壞泵的零部件。

  拆(chai)對分式(shi)聯(lian)軸(zhou)器(qi):先(xian)把聯(lian)軸(zhou)器(qi)的(de)固(gu)定(ding)內六角螺釘擰(ning)下(xia)來(lai),再(zai)輕輕把聯(lian)軸(zhou)器(qi)的(de)一半(ban)從軸(zhou)上慢(man)(man)慢(man)(man)拉下(xia),注意不要掉了,再(zai)用梅花扳手擰(ning)下(xia)泵軸(zhou)吊緊螺栓和擋塊,讓葉輪慢(man)(man)慢(man)(man)下(xia)沉至泵體(ti),然后拆(chai)下(xia)另外一半(ban)聯(lian)軸(zhou)器(qi),拿下(xia)泵軸(zhou)擋圈。

  拆卸隨縣機械密封:抓(zhua)住密封(feng)彈(dan)簧順著(zhu)泵軸往上提,就能拆(chai)下來了(le)。

  拆(chai)卸(xie)并(bing)清洗軸承(cheng)(cheng)(cheng)座(zuo):先(xian)輕輕松動一下軸承(cheng)(cheng)(cheng)座(zuo)后用拆(chai)卸(xie)螺栓頂起軸承(cheng)(cheng)(cheng)座(zuo),并(bing)且沿(yan)著泵軸往上(shang)提而卸(xie)下,再用噴氣燃料清洗軸承(cheng)(cheng)(cheng)及座(zuo),裝前晾干并(bing)涂抹(mo)少許20號機械油用來潤滑(hua)保護。

  拆密封座:擰(ning)下(xia)密封座壓(ya)緊螺母,輕輕卸下(xia)密封座并清(qing)洗。

  隨縣機械密封裝配(pei)(pei):在動、靜(jing)(jing)環鏡面(mian)上(shang)(shang)涂一層(ceng)潔凈的20號潤滑油,導軸承(cheng)座也抹上(shang)(shang)潤滑油,先把(ba)靜(jing)(jing)環輕輕定位(wei)裝入導軸承(cheng)座,再在泵(beng)軸上(shang)(shang)抹上(shang)(shang)潤滑油,把(ba)動環部分輕輕裝入泵(beng)軸上(shang)(shang),用(yong)手(shou)輕推密封環應能伸縮自(zi)如,注(zhu)意動、靜(jing)(jing)環部分的防轉部位(wei)需裝配(pei)(pei)到位(wei)。

  裝聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi):在電機(ji)軸(zhou)(zhou)(zhou)(zhou)頭上(shang)裝上(shang)擋(dang)(dang)圈,裝上(shang)一半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi),再在泵(beng)軸(zhou)(zhou)(zhou)(zhou)端和聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)槽內裝上(shang)擋(dang)(dang)塊(kuai)并用梅花(hua)扳手(shou)擰緊螺(luo)栓;再裝上(shang)另一半(ban)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)擰上(shang)內六(liu)角螺(luo)釘(ding)。安裝聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)正確的檢查要(yao)求(qiu):對分式聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)上(shang)下(xia)間隙(xi)需(xu)要(yao)均勻(yun),用手(shou)盤動(dong)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)幾(ji)圈檢查轉動(dong)的靈活性。

  裝(zhuang)(zhuang)(zhuang)密(mi)(mi)封(feng)(feng)座(zuo):先將密(mi)(mi)封(feng)(feng)座(zuo)裝(zhuang)(zhuang)(zhuang)入橡膠油封(feng)(feng),再把密(mi)(mi)封(feng)(feng)座(zuo)裝(zhuang)(zhuang)(zhuang)入泵蓋并壓在軸承座(zuo)上(shang)(shang),擰緊螺母,確保所有安裝(zhuang)(zhuang)(zhuang)螺釘緊固(gu)(gu)(gu)。當(dang)安裝(zhuang)(zhuang)(zhuang)螺釘被用作密(mi)(mi)封(feng)(feng)與軸之間(jian)的(de)驅動時(shi)(shi),軸應打埋頭孔來加固(gu)(gu)(gu)連接(jie),緊固(gu)(gu)(gu)壓蓋螺栓(shuan)時(shi)(shi)應該平穩緊固(gu)(gu)(gu),并且不要使壓蓋受彈力。在可能的(de)地方使用4個以上(shang)(shang)螺釘的(de)等間(jian)距壓蓋,緊固(gu)(gu)(gu)壓蓋螺栓(shuan)時(shi)(shi),用塞尺檢查軸與壓蓋之間(jian)的(de)間(jian)隙,這(zhe)在密(mi)(mi)封(feng)(feng)腔對壓蓋不導(dao)向時(shi)(shi),顯得特(te)別重要,因(yin)為壓蓋必須對中。