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佳木斯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(qi):184752 來源:川工(gong)密封

  佳木斯機械密封利(li)用機(ji)械(xie)方式(shi)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力(li)和(he)運(yun)動(dong)(dong)(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong),機(ji)械(xie)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)在機(ji)械(xie)工(gong)程中應用非常廣泛,有(you)多種形式(shi),主要包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒輪(lun)齒條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)螺旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等。齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)能(neng)夠用于大功率的場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比準確(que),但一(yi)般要求(qiu)較高的制造精度(du)和(he)安裝(zhuang)精度(du)。還(huan)有(you)一(yi)類是靠機(ji)件間的摩擦力(li)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力(li)和(he)運(yun)動(dong)(dong)(dong)(dong)的摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)摩擦輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)容易實現(xian)無級變速,可以適應軸間距較大的傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)場(chang)合,而過載打滑還(huan)能(neng)起到緩沖(chong)和(he)保(bao)護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置的作(zuo)用,但這種傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)一(yi)般不能(neng)用于大功率的場(chang)合,也不能(neng)保(bao)證準確(que)的傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比。

  傳動形式多,但是佳木斯機械密封的(de)更換工作大同小異,首先(xian)拆(chai)前需確認電(dian)機處于檢(jian)修狀態,擰下(xia)加(jia)油螺(luo)塞(sai),用(yong)吸(xi)管把密封座腔內的(de)潤滑油吸(xi)出。準(zhun)備好放(fang)置泵零件的(de)工作臺及拆(chai)裝工具(ju),切勿(wu)任意亂放(fang)亂用(yong),避免碰壞(huai)泵的(de)零部件。

  拆對分式聯軸(zhou)(zhou)(zhou)器(qi):先把聯軸(zhou)(zhou)(zhou)器(qi)的(de)固定內六(liu)角(jiao)螺釘擰下(xia)來,再輕(qing)輕(qing)把聯軸(zhou)(zhou)(zhou)器(qi)的(de)一半從軸(zhou)(zhou)(zhou)上(shang)慢(man)慢(man)拉下(xia),注意不要掉了,再用梅(mei)花扳(ban)手擰下(xia)泵(beng)軸(zhou)(zhou)(zhou)吊(diao)緊螺栓和擋塊,讓葉(xie)輪慢(man)慢(man)下(xia)沉至(zhi)泵(beng)體,然(ran)后拆下(xia)另外一半聯軸(zhou)(zhou)(zhou)器(qi),拿(na)下(xia)泵(beng)軸(zhou)(zhou)(zhou)擋圈。

  拆卸佳木斯機械密封:抓住密封彈簧順(shun)著泵軸往上提,就能拆(chai)下來(lai)了。

  拆(chai)卸(xie)并(bing)(bing)清洗軸承座(zuo):先輕輕松動一下軸承座(zuo)后用拆(chai)卸(xie)螺栓頂起軸承座(zuo),并(bing)(bing)且沿著(zhu)泵軸往上提而卸(xie)下,再用噴氣(qi)燃料清洗軸承及座(zuo),裝前晾干(gan)并(bing)(bing)涂抹少許20號機械(xie)油(you)用來潤(run)滑(hua)保護。

  拆(chai)密封座(zuo):擰下(xia)密封座(zuo)壓緊螺母,輕輕卸(xie)下(xia)密封座(zuo)并(bing)清洗。

  佳木斯機械密封裝配(pei)(pei):在(zai)動(dong)、靜(jing)環鏡面上(shang)涂一層潔凈(jing)的(de)20號潤滑油(you),導軸承座也抹上(shang)潤滑油(you),先把(ba)靜(jing)環輕(qing)輕(qing)定(ding)位(wei)裝入導軸承座,再在(zai)泵(beng)軸上(shang)抹上(shang)潤滑油(you),把(ba)動(dong)環部(bu)分輕(qing)輕(qing)裝入泵(beng)軸上(shang),用手輕(qing)推密(mi)封環應能(neng)伸縮自如,注意動(dong)、靜(jing)環部(bu)分的(de)防轉部(bu)位(wei)需裝配(pei)(pei)到位(wei)。

  裝聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi):在(zai)電機軸(zhou)(zhou)頭上(shang)裝上(shang)擋圈(quan),裝上(shang)一(yi)半聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi),再(zai)在(zai)泵軸(zhou)(zhou)端(duan)和聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)槽內裝上(shang)擋塊并用梅花扳手擰(ning)緊螺栓(shuan);再(zai)裝上(shang)另一(yi)半聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)擰(ning)上(shang)內六角螺釘。安裝聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)正確的(de)(de)檢(jian)查(cha)(cha)要求:對分式聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)上(shang)下間隙需要均勻,用手盤動聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)幾圈(quan)檢(jian)查(cha)(cha)轉(zhuan)動的(de)(de)靈(ling)活性。

  裝(zhuang)密(mi)封(feng)座(zuo):先(xian)將(jiang)密(mi)封(feng)座(zuo)裝(zhuang)入(ru)(ru)橡膠油封(feng),再(zai)把(ba)密(mi)封(feng)座(zuo)裝(zhuang)入(ru)(ru)泵蓋(gai)并壓(ya)在軸(zhou)承座(zuo)上,擰(ning)緊(jin)螺母,確保所有(you)安裝(zhuang)螺釘(ding)(ding)緊(jin)固(gu)(gu)。當(dang)安裝(zhuang)螺釘(ding)(ding)被(bei)用(yong)作密(mi)封(feng)與軸(zhou)之(zhi)間的驅(qu)動時(shi),軸(zhou)應打埋頭孔來加固(gu)(gu)連接(jie),緊(jin)固(gu)(gu)壓(ya)蓋(gai)螺栓時(shi)應該(gai)平穩(wen)緊(jin)固(gu)(gu),并且(qie)不(bu)要使壓(ya)蓋(gai)受(shou)彈力(li)。在可(ke)能的地方使用(yong)4個(ge)以上螺釘(ding)(ding)的等間距壓(ya)蓋(gai),緊(jin)固(gu)(gu)壓(ya)蓋(gai)螺栓時(shi),用(yong)塞尺檢查(cha)軸(zhou)與壓(ya)蓋(gai)之(zhi)間的間隙(xi),這在密(mi)封(feng)腔對(dui)壓(ya)蓋(gai)不(bu)導向時(shi),顯得特別重(zhong)要,因為(wei)壓(ya)蓋(gai)必(bi)須對(dui)中(zhong)。