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陵水如何對機械密封進行更換工作

發布時(shi)間:2021-12-17 11:49:09 人氣:98923 來源:

  陵水機械密封利用(yong)(yong)機械方式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)在機械工程(cheng)中應(ying)用(yong)(yong)非常廣泛,有(you)多種形式,主要(yao)包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、蝸(gua)桿(gan)蝸(gua)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)(lun)齒條(tiao)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。齒輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)能(neng)夠用(yong)(yong)于大功率(lv)的場(chang)合(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比準確(que),但一般要(yao)求較高的制造(zao)精度(du)和(he)(he)安裝(zhuang)精度(du)。還(huan)有(you)一類是靠機件間(jian)的摩擦(ca)(ca)力(li)(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)的摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)摩擦(ca)(ca)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)容易(yi)實現無級變(bian)速(su),可以適應(ying)軸間(jian)距較大的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he),而(er)過(guo)載打滑還(huan)能(neng)起到緩沖和(he)(he)保(bao)(bao)護(hu)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)裝(zhuang)置的作用(yong)(yong),但這種傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)一般不(bu)能(neng)用(yong)(yong)于大功率(lv)的場(chang)合(he),也(ye)不(bu)能(neng)保(bao)(bao)證準確(que)的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)比。


  傳動形式多,但是陵水機械密封的更換工作大同小異,首先拆前需確認電機處(chu)于檢修狀態,擰下(xia)加油(you)螺塞,用吸管把(ba)密封座腔內的潤滑油(you)吸出。準備好放置(zhi)泵零件(jian)的工作臺及拆裝工具,切勿任(ren)意亂(luan)放亂(luan)用,避(bi)免碰壞(huai)泵的零部件(jian)。


  拆對分式聯軸(zhou)(zhou)器(qi):先把聯軸(zhou)(zhou)器(qi)的(de)固定(ding)內(nei)六角螺(luo)釘擰(ning)下(xia)(xia)來,再(zai)輕(qing)輕(qing)把聯軸(zhou)(zhou)器(qi)的(de)一(yi)半從軸(zhou)(zhou)上(shang)慢(man)(man)慢(man)(man)拉下(xia)(xia),注(zhu)意不要(yao)掉(diao)了(le),再(zai)用(yong)梅(mei)花(hua)扳手擰(ning)下(xia)(xia)泵(beng)軸(zhou)(zhou)吊緊(jin)螺(luo)栓和擋塊,讓葉輪慢(man)(man)慢(man)(man)下(xia)(xia)沉至(zhi)泵(beng)體,然后拆下(xia)(xia)另外一(yi)半聯軸(zhou)(zhou)器(qi),拿(na)下(xia)(xia)泵(beng)軸(zhou)(zhou)擋圈。

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  拆卸陵水機械密封:抓(zhua)住密封彈簧順著泵軸(zhou)往上提,就(jiu)能拆下來(lai)了(le)。


  拆(chai)卸(xie)并(bing)清洗(xi)軸(zhou)承座:先輕輕松(song)動一(yi)下軸(zhou)承座后用拆(chai)卸(xie)螺栓頂起軸(zhou)承座,并(bing)且沿著(zhu)泵軸(zhou)往上(shang)提而卸(xie)下,再用噴(pen)氣燃(ran)料清洗(xi)軸(zhou)承及座,裝前晾干并(bing)涂抹少許(xu)20號機(ji)械油用來潤滑(hua)保護。


  拆密封座(zuo):擰下密封座(zuo)壓緊螺母(mu),輕輕卸下密封座(zuo)并清洗。


  陵水機械密封裝(zhuang)配:在(zai)動、靜(jing)環(huan)(huan)鏡面上(shang)涂一(yi)層潔(jie)凈的20號(hao)潤滑(hua)油(you),導(dao)(dao)軸承座也抹上(shang)潤滑(hua)油(you),先把(ba)靜(jing)環(huan)(huan)輕輕定位裝(zhuang)入導(dao)(dao)軸承座,再在(zai)泵軸上(shang)抹上(shang)潤滑(hua)油(you),把(ba)動環(huan)(huan)部分輕輕裝(zhuang)入泵軸上(shang),用手(shou)輕推密封環(huan)(huan)應能伸縮(suo)自如,注意動、靜(jing)環(huan)(huan)部分的防轉部位需裝(zhuang)配到位。


  裝(zhuang)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi):在(zai)電機(ji)軸(zhou)頭上(shang)裝(zhuang)上(shang)擋圈,裝(zhuang)上(shang)一半聯(lian)(lian)(lian)(lian)軸(zhou)器(qi),再在(zai)泵軸(zhou)端和聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)槽內(nei)(nei)裝(zhuang)上(shang)擋塊并用(yong)梅花(hua)扳手擰緊螺(luo)栓;再裝(zhuang)上(shang)另一半聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)擰上(shang)內(nei)(nei)六角螺(luo)釘。安裝(zhuang)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)正(zheng)確的檢查要求:對分式聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)上(shang)下間隙需(xu)要均(jun)勻,用(yong)手盤動(dong)(dong)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)幾圈檢查轉(zhuan)動(dong)(dong)的靈活(huo)性。


  裝(zhuang)密(mi)封座(zuo)(zuo):先將密(mi)封座(zuo)(zuo)裝(zhuang)入橡膠油(you)封,再把(ba)密(mi)封座(zuo)(zuo)裝(zhuang)入泵蓋(gai)(gai)并壓(ya)在軸承座(zuo)(zuo)上,擰緊螺母,確保所有安裝(zhuang)螺釘緊固(gu)(gu)(gu)(gu)。當(dang)安裝(zhuang)螺釘被(bei)用(yong)作密(mi)封與(yu)軸之(zhi)間(jian)(jian)的驅動時(shi),軸應打埋頭孔來加固(gu)(gu)(gu)(gu)連接,緊固(gu)(gu)(gu)(gu)壓(ya)蓋(gai)(gai)螺栓時(shi)應該平穩緊固(gu)(gu)(gu)(gu),并且(qie)不(bu)要使(shi)壓(ya)蓋(gai)(gai)受彈力。在可能的地方使(shi)用(yong)4個以上螺釘的等間(jian)(jian)距壓(ya)蓋(gai)(gai),緊固(gu)(gu)(gu)(gu)壓(ya)蓋(gai)(gai)螺栓時(shi),用(yong)塞尺檢查(cha)軸與(yu)壓(ya)蓋(gai)(gai)之(zhi)間(jian)(jian)的間(jian)(jian)隙(xi),這在密(mi)封腔對壓(ya)蓋(gai)(gai)不(bu)導向時(shi),顯得特(te)別重(zhong)要,因(yin)為壓(ya)蓋(gai)(gai)必須(xu)對中。