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酒泉如何對機械密封進行更換工作

發布時間:2021-06-01 15:17:49 人(ren)氣:172552 來(lai)源:川(chuan)工密封(feng)

  酒泉機械密封利(li)用(yong)(yong)機(ji)械方式傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在機(ji)械工程中(zhong)應(ying)用(yong)(yong)非常廣泛,有(you)多種形式,主要(yao)包括皮帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)(chi)輪(lun)齒(chi)(chi)(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)螺(luo)旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)。齒(chi)(chi)(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用(yong)(yong)于(yu)大功率(lv)(lv)的(de)場合(he),傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)準確(que),但一(yi)般(ban)要(yao)求較(jiao)高的(de)制造(zao)精度和(he)安裝精度。還(huan)有(you)一(yi)類是(shi)靠機(ji)件間(jian)的(de)摩(mo)(mo)擦力(li)傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)摩(mo)(mo)擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包括帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)摩(mo)(mo)擦輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)。摩(mo)(mo)擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容(rong)易(yi)實現無級變速,可(ke)以適應(ying)軸間(jian)距較(jiao)大的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場合(he),而過(guo)載(zai)打滑還(huan)能起到緩沖和(he)保(bao)護傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝置的(de)作用(yong)(yong),但這(zhe)種傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一(yi)般(ban)不(bu)能用(yong)(yong)于(yu)大功率(lv)(lv)的(de)場合(he),也不(bu)能保(bao)證準確(que)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是酒泉機械密封的(de)更(geng)換工(gong)(gong)作大同小異,首先拆前需(xu)確認電機處于檢修狀態,擰下加油(you)螺塞,用吸管把(ba)密封(feng)座腔內的(de)潤滑油(you)吸出。準備好放置泵零件(jian)(jian)的(de)工(gong)(gong)作臺及拆裝工(gong)(gong)具(ju),切勿任意亂放亂用,避免碰(peng)壞泵的(de)零部(bu)件(jian)(jian)。

  拆(chai)(chai)對分式(shi)聯(lian)(lian)軸(zhou)器(qi):先把聯(lian)(lian)軸(zhou)器(qi)的(de)固定內六角螺釘擰(ning)下(xia)(xia)來,再輕(qing)輕(qing)把聯(lian)(lian)軸(zhou)器(qi)的(de)一(yi)半從(cong)軸(zhou)上慢(man)(man)慢(man)(man)拉下(xia)(xia),注意不(bu)要掉了,再用梅(mei)花扳(ban)手擰(ning)下(xia)(xia)泵(beng)軸(zhou)吊緊(jin)螺栓和(he)擋(dang)塊,讓(rang)葉輪慢(man)(man)慢(man)(man)下(xia)(xia)沉至泵(beng)體(ti),然后拆(chai)(chai)下(xia)(xia)另外一(yi)半聯(lian)(lian)軸(zhou)器(qi),拿下(xia)(xia)泵(beng)軸(zhou)擋(dang)圈。

  拆卸酒泉機械密封:抓住密封彈簧順著泵軸往上提(ti),就(jiu)能拆下來(lai)了。

  拆卸(xie)并清洗軸(zhou)承(cheng)座(zuo):先輕輕松動一(yi)下軸(zhou)承(cheng)座(zuo)后(hou)用拆卸(xie)螺栓(shuan)頂起軸(zhou)承(cheng)座(zuo),并且沿著泵軸(zhou)往上提(ti)而(er)卸(xie)下,再(zai)用噴氣燃料清洗軸(zhou)承(cheng)及座(zuo),裝(zhuang)前晾干(gan)并涂(tu)抹少許20號機(ji)械油用來潤(run)滑保護。

  拆密(mi)封(feng)座(zuo):擰下密(mi)封(feng)座(zuo)壓(ya)緊螺母(mu),輕輕卸下密(mi)封(feng)座(zuo)并清(qing)洗。

  酒泉機械密封裝(zhuang)配(pei):在動(dong)、靜(jing)環(huan)鏡(jing)面上(shang)涂一層潔凈(jing)的(de)20號潤(run)滑油(you),導軸(zhou)承座(zuo)也抹(mo)上(shang)潤(run)滑油(you),先(xian)把(ba)(ba)靜(jing)環(huan)輕(qing)輕(qing)定位裝(zhuang)入導軸(zhou)承座(zuo),再在泵(beng)軸(zhou)上(shang)抹(mo)上(shang)潤(run)滑油(you),把(ba)(ba)動(dong)環(huan)部分輕(qing)輕(qing)裝(zhuang)入泵(beng)軸(zhou)上(shang),用手輕(qing)推密(mi)封環(huan)應能伸縮(suo)自如(ru),注意動(dong)、靜(jing)環(huan)部分的(de)防轉部位需(xu)裝(zhuang)配(pei)到位。

  裝(zhuang)聯(lian)軸(zhou)(zhou)器(qi):在電(dian)機軸(zhou)(zhou)頭上(shang)(shang)(shang)裝(zhuang)上(shang)(shang)(shang)擋(dang)圈,裝(zhuang)上(shang)(shang)(shang)一(yi)半聯(lian)軸(zhou)(zhou)器(qi),再(zai)在泵軸(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)器(qi)槽內裝(zhuang)上(shang)(shang)(shang)擋(dang)塊并用梅(mei)花扳手(shou)擰緊(jin)螺(luo)栓;再(zai)裝(zhuang)上(shang)(shang)(shang)另一(yi)半聯(lian)軸(zhou)(zhou)器(qi)擰上(shang)(shang)(shang)內六角螺(luo)釘。安(an)裝(zhuang)聯(lian)軸(zhou)(zhou)器(qi)正確的檢查(cha)要求:對分式(shi)聯(lian)軸(zhou)(zhou)器(qi)上(shang)(shang)(shang)下間(jian)隙需要均勻,用手(shou)盤動(dong)聯(lian)軸(zhou)(zhou)器(qi)幾(ji)圈檢查(cha)轉(zhuan)動(dong)的靈活性。

  裝(zhuang)密(mi)封座(zuo):先將(jiang)密(mi)封座(zuo)裝(zhuang)入橡膠(jiao)油封,再(zai)把密(mi)封座(zuo)裝(zhuang)入泵(beng)蓋(gai)(gai)并壓(ya)在軸承座(zuo)上,擰緊(jin)螺(luo)(luo)母,確保所有安裝(zhuang)螺(luo)(luo)釘緊(jin)固(gu)(gu)。當安裝(zhuang)螺(luo)(luo)釘被用作密(mi)封與軸之間的(de)驅動時(shi),軸應打埋(mai)頭孔來加固(gu)(gu)連接,緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)栓(shuan)時(shi)應該平(ping)穩緊(jin)固(gu)(gu),并且不(bu)要使壓(ya)蓋(gai)(gai)受(shou)彈力。在可能的(de)地方(fang)使用4個(ge)以上螺(luo)(luo)釘的(de)等間距壓(ya)蓋(gai)(gai),緊(jin)固(gu)(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)栓(shuan)時(shi),用塞尺檢查(cha)軸與壓(ya)蓋(gai)(gai)之間的(de)間隙,這在密(mi)封腔對(dui)壓(ya)蓋(gai)(gai)不(bu)導(dao)向時(shi),顯得特別重要,因為壓(ya)蓋(gai)(gai)必須對(dui)中。