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濱海如何對機械密封進行更換工作

發布時間:2021-12-17 11:49:09 人(ren)氣:98908 來源:

  濱海機械密封利用(yong)機(ji)(ji)(ji)械(xie)方(fang)式傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),機(ji)(ji)(ji)械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)在機(ji)(ji)(ji)械(xie)工程中應用(yong)非常廣泛,有(you)多種形式,主要(yao)包(bao)括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)齒條(tiao)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)能夠用(yong)于(yu)大(da)功率的場(chang)合(he)(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比準確,但一般(ban)要(yao)求較高(gao)的制(zhi)造精(jing)度和(he)安裝精(jing)度。還(huan)有(you)一類是靠機(ji)(ji)(ji)件間的摩(mo)(mo)擦力(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),包(bao)括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)摩(mo)(mo)擦輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實現無級變速,可以適應軸間距較大(da)的傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he)(he),而過載打(da)滑(hua)還(huan)能起到緩沖和(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的作用(yong),但這種傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)一般(ban)不能用(yong)于(yu)大(da)功率的場(chang)合(he)(he),也不能保證(zheng)準確的傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比。


  傳動形式多,但是濱海機械密封的(de)更換工作大同(tong)小異,首先拆前需確認(ren)電機處于(yu)檢修狀態,擰下加油(you)(you)螺(luo)塞,用吸管把密封(feng)座腔內的(de)潤滑油(you)(you)吸出。準備(bei)好放置泵零(ling)件(jian)的(de)工作臺及拆裝工具(ju),切勿任意亂(luan)(luan)放亂(luan)(luan)用,避免(mian)碰壞(huai)泵的(de)零(ling)部件(jian)。


  拆(chai)對分式聯(lian)軸器(qi):先把聯(lian)軸器(qi)的固定內六角螺釘擰下(xia)(xia)來(lai),再(zai)輕(qing)輕(qing)把聯(lian)軸器(qi)的一半從(cong)軸上(shang)慢慢拉下(xia)(xia),注意不要(yao)掉了(le),再(zai)用梅花扳手擰下(xia)(xia)泵(beng)軸吊緊螺栓和擋塊,讓(rang)葉輪慢慢下(xia)(xia)沉至泵(beng)體(ti),然后拆(chai)下(xia)(xia)另外一半聯(lian)軸器(qi),拿(na)下(xia)(xia)泵(beng)軸擋圈(quan)。

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  拆卸濱海機械密封:抓住密封(feng)彈簧順著泵(beng)軸(zhou)往(wang)上提,就能拆下來了。


  拆卸(xie)并(bing)(bing)(bing)清洗(xi)軸(zhou)承(cheng)座:先(xian)輕輕松動一(yi)下(xia)(xia)軸(zhou)承(cheng)座后用(yong)拆卸(xie)螺栓頂起軸(zhou)承(cheng)座,并(bing)(bing)(bing)且沿著泵軸(zhou)往上提而卸(xie)下(xia)(xia),再用(yong)噴氣燃料清洗(xi)軸(zhou)承(cheng)及(ji)座,裝前晾干并(bing)(bing)(bing)涂抹少許20號(hao)機(ji)械油用(yong)來(lai)潤滑保護。


  拆密封(feng)座:擰下密封(feng)座壓緊螺母,輕輕卸下密封(feng)座并清洗。


  濱海機械密封裝(zhuang)配:在動、靜(jing)環鏡面上(shang)涂一(yi)層潔凈的(de)20號潤滑油,導(dao)(dao)軸承座(zuo)也抹上(shang)潤滑油,先把(ba)(ba)靜(jing)環輕輕定位裝(zhuang)入導(dao)(dao)軸承座(zuo),再在泵(beng)軸上(shang)抹上(shang)潤滑油,把(ba)(ba)動環部分輕輕裝(zhuang)入泵(beng)軸上(shang),用手輕推(tui)密封環應能伸(shen)縮自如,注意動、靜(jing)環部分的(de)防轉部位需裝(zhuang)配到(dao)位。


  裝(zhuang)聯(lian)軸(zhou)(zhou)器(qi):在(zai)電(dian)機軸(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋(dang)圈(quan),裝(zhuang)上(shang)一(yi)半聯(lian)軸(zhou)(zhou)器(qi),再(zai)在(zai)泵軸(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)器(qi)槽內裝(zhuang)上(shang)擋(dang)塊并用梅花扳手擰緊螺栓;再(zai)裝(zhuang)上(shang)另一(yi)半聯(lian)軸(zhou)(zhou)器(qi)擰上(shang)內六角螺釘。安裝(zhuang)聯(lian)軸(zhou)(zhou)器(qi)正確的檢查要求(qiu):對分式聯(lian)軸(zhou)(zhou)器(qi)上(shang)下(xia)間(jian)隙需要均勻,用手盤(pan)動(dong)聯(lian)軸(zhou)(zhou)器(qi)幾圈(quan)檢查轉動(dong)的靈活(huo)性(xing)。


  裝(zhuang)(zhuang)密(mi)封(feng)座(zuo)(zuo):先(xian)將密(mi)封(feng)座(zuo)(zuo)裝(zhuang)(zhuang)入橡膠油封(feng),再把密(mi)封(feng)座(zuo)(zuo)裝(zhuang)(zhuang)入泵蓋(gai)(gai)(gai)(gai)(gai)并壓(ya)(ya)在(zai)軸(zhou)承座(zuo)(zuo)上(shang)(shang),擰緊螺母,確保所有安裝(zhuang)(zhuang)螺釘緊固(gu)。當安裝(zhuang)(zhuang)螺釘被用作密(mi)封(feng)與軸(zhou)之間(jian)的驅動時,軸(zhou)應(ying)打(da)埋頭孔(kong)來加固(gu)連接(jie),緊固(gu)壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)螺栓時應(ying)該平穩緊固(gu),并且不要(yao)使(shi)壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)受彈(dan)力(li)。在(zai)可能的地方(fang)使(shi)用4個以(yi)上(shang)(shang)螺釘的等間(jian)距壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai),緊固(gu)壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)螺栓時,用塞尺檢查(cha)軸(zhou)與壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)之間(jian)的間(jian)隙,這(zhe)在(zai)密(mi)封(feng)腔對(dui)壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)不導向時,顯得(de)特別重要(yao),因為壓(ya)(ya)蓋(gai)(gai)(gai)(gai)(gai)必須對(dui)中。