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萬榮如何對機械密封進行更換工作

發布(bu)時間:2021-06-01 15:17:49 人氣(qi):172350 來源(yuan):川工密封

  萬榮機械密封利用(yong)機械方式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力和運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在機械工程中(zhong)應用(yong)非常廣泛,有(you)(you)多種(zhong)形(xing)式(shi),主(zhu)要包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)(chi)輪(lun)(lun)齒(chi)(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。齒(chi)(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能(neng)(neng)(neng)夠用(yong)于(yu)大(da)功率的(de)(de)(de)場合(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)準確,但(dan)一般要求較高(gao)的(de)(de)(de)制造精度和安裝(zhuang)精度。還有(you)(you)一類是靠機件間的(de)(de)(de)摩(mo)擦力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力和運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和摩(mo)擦輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容易(yi)實現(xian)無級變速,可(ke)以適應軸間距較大(da)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場合(he),而過(guo)載打滑還能(neng)(neng)(neng)起到緩沖和保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置的(de)(de)(de)作用(yong),但(dan)這種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一般不能(neng)(neng)(neng)用(yong)于(yu)大(da)功率的(de)(de)(de)場合(he),也不能(neng)(neng)(neng)保證準確的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是萬榮機械密封的(de)更換工作(zuo)大同(tong)小異(yi),首先拆前需確認電機處(chu)于檢修(xiu)狀(zhuang)態,擰下加油(you)螺(luo)塞,用(yong)吸管把密封座腔內(nei)的(de)潤滑油(you)吸出。準備(bei)好放置泵零件(jian)的(de)工作(zuo)臺(tai)及拆裝工具(ju),切(qie)勿任意(yi)亂放亂用(yong),避免碰壞泵的(de)零部件(jian)。

  拆(chai)對分式聯軸(zhou)器(qi):先把(ba)聯軸(zhou)器(qi)的(de)固定內六角螺釘(ding)擰下(xia)(xia)來,再(zai)輕(qing)輕(qing)把(ba)聯軸(zhou)器(qi)的(de)一(yi)半從軸(zhou)上(shang)慢慢拉下(xia)(xia),注意不要掉(diao)了,再(zai)用梅花扳手擰下(xia)(xia)泵軸(zhou)吊緊螺栓和擋(dang)塊,讓葉(xie)輪(lun)慢慢下(xia)(xia)沉(chen)至泵體(ti),然(ran)后拆(chai)下(xia)(xia)另外一(yi)半聯軸(zhou)器(qi),拿下(xia)(xia)泵軸(zhou)擋(dang)圈。

  拆卸萬榮機械密封:抓住密封彈簧順著泵(beng)軸(zhou)往上提,就能拆(chai)下來了。

  拆卸并(bing)清(qing)洗(xi)軸承座:先輕輕松動一下(xia)軸承座后用拆卸螺栓頂起軸承座,并(bing)且沿著(zhu)泵(beng)軸往上提而卸下(xia),再用噴氣燃料(liao)清(qing)洗(xi)軸承及座,裝前晾干并(bing)涂抹少許20號機械油(you)用來(lai)潤滑保(bao)護。

  拆密封(feng)座(zuo)(zuo):擰下密封(feng)座(zuo)(zuo)壓緊螺母(mu),輕(qing)輕(qing)卸下密封(feng)座(zuo)(zuo)并清(qing)洗(xi)。

  萬榮機械密封裝(zhuang)(zhuang)配(pei):在(zai)動(dong)(dong)、靜環(huan)鏡(jing)面(mian)上(shang)涂一層潔凈的20號潤(run)滑(hua)油,導軸(zhou)承座也抹(mo)上(shang)潤(run)滑(hua)油,先把靜環(huan)輕(qing)輕(qing)定位(wei)裝(zhuang)(zhuang)入(ru)導軸(zhou)承座,再在(zai)泵軸(zhou)上(shang)抹(mo)上(shang)潤(run)滑(hua)油,把動(dong)(dong)環(huan)部分(fen)輕(qing)輕(qing)裝(zhuang)(zhuang)入(ru)泵軸(zhou)上(shang),用(yong)手輕(qing)推密封環(huan)應能伸縮自如,注(zhu)意動(dong)(dong)、靜環(huan)部分(fen)的防轉部位(wei)需裝(zhuang)(zhuang)配(pei)到位(wei)。

  裝(zhuang)聯軸(zhou)器:在(zai)電(dian)機軸(zhou)頭上(shang)裝(zhuang)上(shang)擋圈,裝(zhuang)上(shang)一半聯軸(zhou)器,再在(zai)泵軸(zhou)端和(he)聯軸(zhou)器槽內(nei)裝(zhuang)上(shang)擋塊并用梅花扳手擰緊螺栓(shuan);再裝(zhuang)上(shang)另一半聯軸(zhou)器擰上(shang)內(nei)六角螺釘。安裝(zhuang)聯軸(zhou)器正確的(de)檢查(cha)要求:對分式聯軸(zhou)器上(shang)下(xia)間隙需要均(jun)勻,用手盤動(dong)聯軸(zhou)器幾圈檢查(cha)轉動(dong)的(de)靈(ling)活性。

  裝(zhuang)密(mi)封(feng)(feng)(feng)座(zuo):先將密(mi)封(feng)(feng)(feng)座(zuo)裝(zhuang)入(ru)橡(xiang)膠油封(feng)(feng)(feng),再把密(mi)封(feng)(feng)(feng)座(zuo)裝(zhuang)入(ru)泵蓋(gai)并(bing)(bing)壓在軸(zhou)(zhou)承座(zuo)上,擰緊(jin)(jin)螺(luo)(luo)母,確保所有安(an)裝(zhuang)螺(luo)(luo)釘(ding)緊(jin)(jin)固(gu)。當安(an)裝(zhuang)螺(luo)(luo)釘(ding)被用(yong)作密(mi)封(feng)(feng)(feng)與軸(zhou)(zhou)之間的驅動時,軸(zhou)(zhou)應打(da)埋頭孔來加固(gu)連接,緊(jin)(jin)固(gu)壓蓋(gai)螺(luo)(luo)栓時應該平(ping)穩(wen)緊(jin)(jin)固(gu),并(bing)(bing)且(qie)不要使(shi)壓蓋(gai)受彈力(li)。在可(ke)能的地方使(shi)用(yong)4個(ge)以上螺(luo)(luo)釘(ding)的等間距壓蓋(gai),緊(jin)(jin)固(gu)壓蓋(gai)螺(luo)(luo)栓時,用(yong)塞尺(chi)檢(jian)查軸(zhou)(zhou)與壓蓋(gai)之間的間隙,這在密(mi)封(feng)(feng)(feng)腔對壓蓋(gai)不導向時,顯得特別(bie)重(zhong)要,因為壓蓋(gai)必須(xu)對中。