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和田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:182947 來源:川工密封(feng)

  和田機械密封利用機械(xie)方(fang)式傳(chuan)(chuan)(chuan)(chuan)遞(di)(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong),機械(xie)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)在機械(xie)工(gong)程中應用非常廣泛,有多種(zhong)形(xing)式,主要(yao)包(bao)括(kuo)皮帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)齒(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)能(neng)(neng)夠用于大功(gong)率的(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準(zhun)(zhun)確,但一般要(yao)求較(jiao)高的(de)制造精度和(he)(he)安裝(zhuang)(zhuang)精度。還(huan)有一類(lei)是靠機件間(jian)(jian)的(de)摩(mo)擦力傳(chuan)(chuan)(chuan)(chuan)遞(di)(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong),包(bao)括(kuo)帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)摩(mo)擦輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)容易實現無級變速,可(ke)以適應軸(zhou)間(jian)(jian)距較(jiao)大的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合,而(er)過載(zai)打滑還(huan)能(neng)(neng)起到(dao)緩沖和(he)(he)保護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)置的(de)作用,但這種(zhong)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)一般不能(neng)(neng)用于大功(gong)率的(de)場(chang)合,也不能(neng)(neng)保證(zheng)準(zhun)(zhun)確的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是和田機械密封的更換工(gong)(gong)作(zuo)大同小(xiao)異(yi),首先拆前需確認(ren)電機處于檢(jian)修狀態,擰下加油螺塞,用(yong)吸(xi)管把密(mi)封座腔內的潤(run)滑油吸(xi)出。準(zhun)備好放(fang)置(zhi)泵零(ling)件的工(gong)(gong)作(zuo)臺及(ji)拆裝(zhuang)工(gong)(gong)具,切(qie)勿(wu)任意亂放(fang)亂用(yong),避(bi)免(mian)碰壞泵的零(ling)部件。

  拆(chai)對分式聯(lian)軸(zhou)(zhou)器:先把聯(lian)軸(zhou)(zhou)器的固(gu)定(ding)內(nei)六角螺釘擰(ning)下(xia)來,再(zai)(zai)輕輕把聯(lian)軸(zhou)(zhou)器的一(yi)半(ban)從軸(zhou)(zhou)上慢(man)慢(man)拉下(xia),注意不要掉了,再(zai)(zai)用梅花扳手擰(ning)下(xia)泵(beng)(beng)軸(zhou)(zhou)吊緊螺栓和擋(dang)(dang)塊,讓葉輪(lun)慢(man)慢(man)下(xia)沉至(zhi)泵(beng)(beng)體,然后拆(chai)下(xia)另外一(yi)半(ban)聯(lian)軸(zhou)(zhou)器,拿下(xia)泵(beng)(beng)軸(zhou)(zhou)擋(dang)(dang)圈。

  拆卸和田機械密封:抓住(zhu)密封彈簧順著泵(beng)軸往(wang)上(shang)提,就能拆下來了。

  拆(chai)卸并清(qing)洗(xi)軸(zhou)(zhou)承座(zuo)(zuo):先輕(qing)輕(qing)松(song)動一下(xia)軸(zhou)(zhou)承座(zuo)(zuo)后用拆(chai)卸螺栓(shuan)頂(ding)起軸(zhou)(zhou)承座(zuo)(zuo),并且(qie)沿著泵軸(zhou)(zhou)往上提而卸下(xia),再(zai)用噴氣(qi)燃(ran)料(liao)清(qing)洗(xi)軸(zhou)(zhou)承及(ji)座(zuo)(zuo),裝前(qian)晾干并涂抹少許20號機械油用來潤滑(hua)保護。

  拆密封(feng)座(zuo):擰(ning)下密封(feng)座(zuo)壓緊螺母,輕(qing)輕(qing)卸下密封(feng)座(zuo)并清洗。

  和田機械密封裝(zhuang)(zhuang)配:在(zai)動(dong)、靜(jing)環(huan)鏡面上(shang)涂(tu)一(yi)層潔凈的20號潤(run)滑油(you),導(dao)軸(zhou)承座(zuo)也抹上(shang)潤(run)滑油(you),先把靜(jing)環(huan)輕(qing)輕(qing)定位裝(zhuang)(zhuang)入導(dao)軸(zhou)承座(zuo),再在(zai)泵軸(zhou)上(shang)抹上(shang)潤(run)滑油(you),把動(dong)環(huan)部(bu)分輕(qing)輕(qing)裝(zhuang)(zhuang)入泵軸(zhou)上(shang),用手輕(qing)推密封環(huan)應能伸縮自(zi)如,注意動(dong)、靜(jing)環(huan)部(bu)分的防轉部(bu)位需(xu)裝(zhuang)(zhuang)配到位。

  裝聯(lian)(lian)(lian)軸器(qi)(qi):在電機(ji)軸頭上(shang)裝上(shang)擋(dang)(dang)圈(quan),裝上(shang)一半(ban)聯(lian)(lian)(lian)軸器(qi)(qi),再(zai)在泵軸端和聯(lian)(lian)(lian)軸器(qi)(qi)槽(cao)內裝上(shang)擋(dang)(dang)塊并用(yong)梅(mei)花扳(ban)手(shou)擰緊(jin)螺栓;再(zai)裝上(shang)另一半(ban)聯(lian)(lian)(lian)軸器(qi)(qi)擰上(shang)內六角螺釘(ding)。安裝聯(lian)(lian)(lian)軸器(qi)(qi)正(zheng)確(que)的檢查(cha)要求(qiu):對分式聯(lian)(lian)(lian)軸器(qi)(qi)上(shang)下間隙需要均勻,用(yong)手(shou)盤(pan)動聯(lian)(lian)(lian)軸器(qi)(qi)幾圈(quan)檢查(cha)轉動的靈活性。

  裝密(mi)封(feng)(feng)(feng)座:先將密(mi)封(feng)(feng)(feng)座裝入橡膠油(you)封(feng)(feng)(feng),再把密(mi)封(feng)(feng)(feng)座裝入泵(beng)蓋(gai)(gai)并壓(ya)在軸承座上(shang)(shang),擰緊(jin)螺(luo)(luo)(luo)母,確(que)保所有安裝螺(luo)(luo)(luo)釘(ding)(ding)緊(jin)固(gu)。當安裝螺(luo)(luo)(luo)釘(ding)(ding)被用(yong)作密(mi)封(feng)(feng)(feng)與軸之間的驅動時(shi),軸應打埋頭(tou)孔來加固(gu)連接,緊(jin)固(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時(shi)應該平穩緊(jin)固(gu),并且不要使(shi)(shi)壓(ya)蓋(gai)(gai)受彈力(li)。在可能的地(di)方使(shi)(shi)用(yong)4個以上(shang)(shang)螺(luo)(luo)(luo)釘(ding)(ding)的等間距壓(ya)蓋(gai)(gai),緊(jin)固(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)(luo)栓時(shi),用(yong)塞(sai)尺檢查軸與壓(ya)蓋(gai)(gai)之間的間隙,這在密(mi)封(feng)(feng)(feng)腔(qiang)對壓(ya)蓋(gai)(gai)不導向時(shi),顯(xian)得特別重要,因(yin)為壓(ya)蓋(gai)(gai)必須(xu)對中。