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富縣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:183006 來源:川(chuan)工密封

  富縣機械密封利用機械方式傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在(zai)機械工程中應(ying)(ying)用非常廣泛,有多種(zhong)形式,主要(yao)包(bao)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(gua)桿(gan)蝸(gua)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)螺旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能(neng)夠用于大(da)功(gong)率的(de)(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比準確,但一(yi)般要(yao)求較高(gao)的(de)(de)制造精度(du)和(he)安裝精度(du)。還有一(yi)類是(shi)靠機件(jian)間的(de)(de)摩擦力傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包(bao)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)摩擦輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實(shi)現無級(ji)變速(su),可(ke)以(yi)適應(ying)(ying)軸間距較大(da)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合,而過載打(da)滑還能(neng)起到緩沖(chong)和(he)保護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)裝置(zhi)的(de)(de)作用,但這種(zhong)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)一(yi)般不(bu)(bu)能(neng)用于大(da)功(gong)率的(de)(de)場(chang)合,也不(bu)(bu)能(neng)保證準確的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是富縣機械密封的(de)(de)更換工作(zuo)大同小異,首先拆前(qian)需確認(ren)電機處(chu)于檢修狀態(tai),擰下加油(you)螺(luo)塞(sai),用吸管把密封座(zuo)腔(qiang)內的(de)(de)潤滑油(you)吸出(chu)。準(zhun)備好放置泵零件(jian)的(de)(de)工作(zuo)臺及拆裝工具,切(qie)勿任意(yi)亂放亂用,避免碰壞泵的(de)(de)零部件(jian)。

  拆對分式聯(lian)(lian)軸(zhou)器(qi)(qi):先把聯(lian)(lian)軸(zhou)器(qi)(qi)的固(gu)定(ding)內六角螺釘(ding)擰下(xia)(xia)來,再(zai)(zai)輕輕把聯(lian)(lian)軸(zhou)器(qi)(qi)的一半從(cong)軸(zhou)上慢(man)(man)慢(man)(man)拉下(xia)(xia),注意不(bu)要掉了,再(zai)(zai)用梅花扳手擰下(xia)(xia)泵軸(zhou)吊緊螺栓和擋(dang)塊,讓(rang)葉(xie)輪慢(man)(man)慢(man)(man)下(xia)(xia)沉至泵體,然后拆下(xia)(xia)另外(wai)一半聯(lian)(lian)軸(zhou)器(qi)(qi),拿(na)下(xia)(xia)泵軸(zhou)擋(dang)圈。

  拆卸富縣機械密封:抓住密(mi)封彈簧(huang)順(shun)著泵軸往(wang)上提(ti),就能拆下來了(le)。

  拆(chai)卸(xie)并清洗軸(zhou)承(cheng)(cheng)座:先輕輕松動一下(xia)軸(zhou)承(cheng)(cheng)座后用(yong)拆(chai)卸(xie)螺栓(shuan)頂起軸(zhou)承(cheng)(cheng)座,并且沿著(zhu)泵軸(zhou)往上提而卸(xie)下(xia),再(zai)用(yong)噴氣燃料清洗軸(zhou)承(cheng)(cheng)及座,裝前晾干并涂抹少許20號機械油(you)用(yong)來潤滑保護。

  拆密(mi)封座(zuo):擰下密(mi)封座(zuo)壓(ya)緊螺母,輕(qing)輕(qing)卸下密(mi)封座(zuo)并清洗(xi)。

  富縣機械密封裝(zhuang)配:在(zai)(zai)動、靜環(huan)(huan)鏡面上(shang)涂一層(ceng)潔凈的(de)(de)20號潤滑(hua)油,導軸(zhou)承(cheng)座也抹上(shang)潤滑(hua)油,先(xian)把(ba)靜環(huan)(huan)輕(qing)(qing)輕(qing)(qing)定位裝(zhuang)入導軸(zhou)承(cheng)座,再在(zai)(zai)泵軸(zhou)上(shang)抹上(shang)潤滑(hua)油,把(ba)動環(huan)(huan)部分(fen)輕(qing)(qing)輕(qing)(qing)裝(zhuang)入泵軸(zhou)上(shang),用手(shou)輕(qing)(qing)推密封環(huan)(huan)應能伸縮自如,注意(yi)動、靜環(huan)(huan)部分(fen)的(de)(de)防(fang)轉部位需裝(zhuang)配到(dao)位。

  裝(zhuang)聯軸(zhou)(zhou)(zhou)器(qi):在電機軸(zhou)(zhou)(zhou)頭上裝(zhuang)上擋(dang)圈(quan),裝(zhuang)上一半(ban)聯軸(zhou)(zhou)(zhou)器(qi),再在泵軸(zhou)(zhou)(zhou)端和聯軸(zhou)(zhou)(zhou)器(qi)槽內裝(zhuang)上擋(dang)塊并用(yong)梅花(hua)扳手擰緊螺栓(shuan);再裝(zhuang)上另(ling)一半(ban)聯軸(zhou)(zhou)(zhou)器(qi)擰上內六(liu)角螺釘(ding)。安裝(zhuang)聯軸(zhou)(zhou)(zhou)器(qi)正確的檢查(cha)要求:對(dui)分式聯軸(zhou)(zhou)(zhou)器(qi)上下間隙需要均勻,用(yong)手盤動(dong)聯軸(zhou)(zhou)(zhou)器(qi)幾圈(quan)檢查(cha)轉動(dong)的靈活性。

  裝(zhuang)密封(feng)(feng)(feng)座(zuo):先(xian)將(jiang)密封(feng)(feng)(feng)座(zuo)裝(zhuang)入橡膠油(you)封(feng)(feng)(feng),再(zai)把密封(feng)(feng)(feng)座(zuo)裝(zhuang)入泵蓋(gai)(gai)并(bing)壓(ya)(ya)在軸(zhou)(zhou)承座(zuo)上,擰緊螺(luo)(luo)母,確(que)保(bao)所有安裝(zhuang)螺(luo)(luo)釘(ding)緊固(gu)(gu)。當安裝(zhuang)螺(luo)(luo)釘(ding)被用(yong)作密封(feng)(feng)(feng)與軸(zhou)(zhou)之間(jian)的(de)驅(qu)動(dong)時(shi),軸(zhou)(zhou)應打埋頭孔來(lai)加固(gu)(gu)連接,緊固(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)(luo)栓時(shi)應該平穩緊固(gu)(gu),并(bing)且不要使壓(ya)(ya)蓋(gai)(gai)受彈力(li)。在可能(neng)的(de)地方使用(yong)4個以上螺(luo)(luo)釘(ding)的(de)等(deng)間(jian)距壓(ya)(ya)蓋(gai)(gai),緊固(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)(luo)栓時(shi),用(yong)塞尺檢查軸(zhou)(zhou)與壓(ya)(ya)蓋(gai)(gai)之間(jian)的(de)間(jian)隙,這在密封(feng)(feng)(feng)腔對壓(ya)(ya)蓋(gai)(gai)不導(dao)向時(shi),顯得特別重要,因(yin)為壓(ya)(ya)蓋(gai)(gai)必須(xu)對中(zhong)。