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巴彥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(ren)氣:182163 來源:川工密封

  巴彥機械密封利(li)用(yong)(yong)機械方式傳(chuan)(chuan)(chuan)遞(di)(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)在(zai)機械工程中應用(yong)(yong)非常廣泛,有多種(zhong)形(xing)式,主要(yao)包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪齒(chi)(chi)條(tiao)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)螺旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)能夠用(yong)(yong)于大功率的(de)(de)場合,傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比準確(que),但一般要(yao)求較高的(de)(de)制造精度(du)和(he)安裝精度(du)。還有一類是靠機件間的(de)(de)摩擦力傳(chuan)(chuan)(chuan)遞(di)(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)摩擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)摩擦輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實現無級變速,可(ke)以適應軸間距較大的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)場合,而過(guo)載打滑還能起到緩沖和(he)保護(hu)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)作用(yong)(yong),但這種(zhong)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)一般不能用(yong)(yong)于大功率的(de)(de)場合,也不能保證(zheng)準確(que)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是巴彥機械密封的更換工作大同小異,首先拆前需確(que)認電(dian)機處于檢(jian)修狀態,擰下(xia)加油螺塞,用吸(xi)管(guan)把密(mi)封(feng)座腔內的潤(run)滑油吸(xi)出。準(zhun)備好(hao)放(fang)置泵零(ling)件的工作臺(tai)及拆裝工具(ju),切勿任意亂(luan)放(fang)亂(luan)用,避免碰壞泵的零(ling)部件。

  拆(chai)對(dui)分式聯(lian)軸器(qi):先把聯(lian)軸器(qi)的(de)固定內六(liu)角螺(luo)釘擰(ning)下(xia)來,再輕(qing)輕(qing)把聯(lian)軸器(qi)的(de)一(yi)半從軸上慢慢拉下(xia),注意不要掉了,再用梅(mei)花扳手擰(ning)下(xia)泵(beng)軸吊緊螺(luo)栓和擋(dang)塊,讓葉輪(lun)慢慢下(xia)沉(chen)至泵(beng)體,然后拆(chai)下(xia)另外一(yi)半聯(lian)軸器(qi),拿(na)下(xia)泵(beng)軸擋(dang)圈。

  拆卸巴彥機械密封:抓住密封彈簧順著泵軸往上(shang)提,就(jiu)能(neng)拆(chai)下來了。

  拆卸(xie)并(bing)清洗(xi)(xi)軸(zhou)(zhou)承(cheng)(cheng)(cheng)座:先輕輕松動(dong)一下(xia)軸(zhou)(zhou)承(cheng)(cheng)(cheng)座后用(yong)拆卸(xie)螺(luo)栓頂起軸(zhou)(zhou)承(cheng)(cheng)(cheng)座,并(bing)且沿著泵軸(zhou)(zhou)往(wang)上提而卸(xie)下(xia),再用(yong)噴氣燃(ran)料(liao)清洗(xi)(xi)軸(zhou)(zhou)承(cheng)(cheng)(cheng)及座,裝(zhuang)前(qian)晾干并(bing)涂抹(mo)少(shao)許20號機械油(you)用(yong)來潤滑保護(hu)。

  拆密封(feng)(feng)座:擰(ning)下(xia)密封(feng)(feng)座壓緊(jin)螺母(mu),輕(qing)輕(qing)卸下(xia)密封(feng)(feng)座并(bing)清洗。

  巴彥機械密封裝配(pei):在(zai)動(dong)、靜(jing)環(huan)鏡面上涂一層(ceng)潔凈的(de)20號潤滑(hua)油(you)(you)(you),導軸承(cheng)座(zuo)也抹上潤滑(hua)油(you)(you)(you),先把(ba)靜(jing)環(huan)輕輕定位裝入(ru)導軸承(cheng)座(zuo),再(zai)在(zai)泵軸上抹上潤滑(hua)油(you)(you)(you),把(ba)動(dong)環(huan)部(bu)(bu)分輕輕裝入(ru)泵軸上,用手(shou)輕推密封環(huan)應能伸縮(suo)自如(ru),注意動(dong)、靜(jing)環(huan)部(bu)(bu)分的(de)防(fang)轉部(bu)(bu)位需(xu)裝配(pei)到(dao)位。

  裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi):在(zai)電機軸(zhou)(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋圈(quan)(quan),裝(zhuang)上(shang)一半聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi),再在(zai)泵(beng)軸(zhou)(zhou)(zhou)端和聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)槽內裝(zhuang)上(shang)擋塊并用梅(mei)花(hua)扳(ban)手擰緊螺栓;再裝(zhuang)上(shang)另一半聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)擰上(shang)內六角(jiao)螺釘。安裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)正確的(de)檢查(cha)要(yao)(yao)求:對分式聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)上(shang)下間(jian)隙需要(yao)(yao)均勻,用手盤(pan)動(dong)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)幾圈(quan)(quan)檢查(cha)轉動(dong)的(de)靈活性。

  裝(zhuang)(zhuang)密(mi)封(feng)(feng)(feng)座(zuo):先(xian)將密(mi)封(feng)(feng)(feng)座(zuo)裝(zhuang)(zhuang)入(ru)橡膠油封(feng)(feng)(feng),再把密(mi)封(feng)(feng)(feng)座(zuo)裝(zhuang)(zhuang)入(ru)泵(beng)蓋(gai)并(bing)壓(ya)在(zai)軸(zhou)承座(zuo)上,擰(ning)緊(jin)(jin)螺(luo)(luo)母,確保所有安裝(zhuang)(zhuang)螺(luo)(luo)釘(ding)(ding)緊(jin)(jin)固。當安裝(zhuang)(zhuang)螺(luo)(luo)釘(ding)(ding)被用作密(mi)封(feng)(feng)(feng)與(yu)軸(zhou)之間(jian)的驅(qu)動時(shi),軸(zhou)應打(da)埋頭孔來(lai)加固連接,緊(jin)(jin)固壓(ya)蓋(gai)螺(luo)(luo)栓時(shi)應該平穩(wen)緊(jin)(jin)固,并(bing)且(qie)不(bu)要(yao)使(shi)壓(ya)蓋(gai)受彈力。在(zai)可能的地方使(shi)用4個以上螺(luo)(luo)釘(ding)(ding)的等間(jian)距壓(ya)蓋(gai),緊(jin)(jin)固壓(ya)蓋(gai)螺(luo)(luo)栓時(shi),用塞尺檢查軸(zhou)與(yu)壓(ya)蓋(gai)之間(jian)的間(jian)隙(xi),這在(zai)密(mi)封(feng)(feng)(feng)腔對(dui)壓(ya)蓋(gai)不(bu)導向時(shi),顯得(de)特別重(zhong)要(yao),因為壓(ya)蓋(gai)必(bi)須對(dui)中。