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沙依巴克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:99865 來源:

  沙依巴克機械密封利用(yong)(yong)機械(xie)方式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),機械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)在機械(xie)工程中(zhong)應(ying)(ying)用(yong)(yong)非常廣泛,有多(duo)種形式(shi),主(zhu)要(yao)包括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)(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)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)(lun)齒條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。齒輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)能夠用(yong)(yong)于(yu)(yu)大(da)功(gong)率的(de)場(chang)合(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準確(que),但(dan)一般要(yao)求較高的(de)制(zhi)造(zao)精度和安裝精度。還(huan)有一類是(shi)靠機件(jian)間的(de)摩(mo)擦(ca)力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),包括帶傳(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)和摩(mo)擦(ca)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)容易實現無級變速,可以(yi)適應(ying)(ying)軸間距較大(da)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he),而(er)過(guo)載打(da)滑還(huan)能起到緩(huan)沖和保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)作用(yong)(yong),但(dan)這種傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)一般不能用(yong)(yong)于(yu)(yu)大(da)功(gong)率的(de)場(chang)合(he),也不能保證準確(que)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。


  傳動形式多,但是沙依巴克機械密封的更換工作大同小異,首先拆(chai)前需(xu)確(que)認電(dian)機處于檢(jian)修狀態,擰下加(jia)油(you)螺塞,用吸(xi)管把密(mi)封座腔(qiang)內的潤(run)滑油(you)吸(xi)出。準備好(hao)放置(zhi)泵(beng)零件的工作臺及拆(chai)裝工具,切(qie)勿任意亂放亂用,避免碰壞泵(beng)的零部件。


  拆(chai)對分式聯軸(zhou)器(qi):先把聯軸(zhou)器(qi)的固定內六角螺釘擰下(xia)(xia)(xia)來(lai),再輕輕把聯軸(zhou)器(qi)的一半從(cong)軸(zhou)上慢慢拉下(xia)(xia)(xia),注(zhu)意不(bu)要掉了,再用梅花扳手擰下(xia)(xia)(xia)泵(beng)軸(zhou)吊緊螺栓和擋(dang)(dang)塊,讓葉輪慢慢下(xia)(xia)(xia)沉(chen)至泵(beng)體,然后(hou)拆(chai)下(xia)(xia)(xia)另(ling)外(wai)一半聯軸(zhou)器(qi),拿下(xia)(xia)(xia)泵(beng)軸(zhou)擋(dang)(dang)圈。

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  拆卸沙依巴克機械密封:抓住密封彈簧順(shun)著泵軸(zhou)往上提,就能拆下(xia)來(lai)了。


  拆卸(xie)并(bing)(bing)清(qing)(qing)洗軸(zhou)承座(zuo):先輕輕松動一下軸(zhou)承座(zuo)后用拆卸(xie)螺栓頂起軸(zhou)承座(zuo),并(bing)(bing)且沿著泵軸(zhou)往上提而卸(xie)下,再(zai)用噴氣(qi)燃(ran)料清(qing)(qing)洗軸(zhou)承及座(zuo),裝前晾干(gan)并(bing)(bing)涂抹少許20號機械油(you)用來潤(run)滑保護。


  拆(chai)密(mi)(mi)封(feng)(feng)座:擰下(xia)密(mi)(mi)封(feng)(feng)座壓緊螺母,輕輕卸下(xia)密(mi)(mi)封(feng)(feng)座并(bing)清洗。


  沙依巴克機械密封裝(zhuang)(zhuang)配(pei):在動(dong)、靜環(huan)鏡(jing)面(mian)上(shang)(shang)涂一層潔凈的20號(hao)潤(run)(run)滑(hua)油(you),導(dao)軸承座也抹上(shang)(shang)潤(run)(run)滑(hua)油(you),先把(ba)靜環(huan)輕(qing)(qing)輕(qing)(qing)定位(wei)裝(zhuang)(zhuang)入導(dao)軸承座,再在泵(beng)軸上(shang)(shang)抹上(shang)(shang)潤(run)(run)滑(hua)油(you),把(ba)動(dong)環(huan)部分輕(qing)(qing)輕(qing)(qing)裝(zhuang)(zhuang)入泵(beng)軸上(shang)(shang),用手輕(qing)(qing)推密封環(huan)應能(neng)伸(shen)縮自(zi)如,注意動(dong)、靜環(huan)部分的防轉(zhuan)部位(wei)需裝(zhuang)(zhuang)配(pei)到(dao)位(wei)。


  裝(zhuang)(zhuang)(zhuang)(zhuang)聯軸(zhou)(zhou)器:在電(dian)機軸(zhou)(zhou)頭上(shang)(shang)裝(zhuang)(zhuang)(zhuang)(zhuang)上(shang)(shang)擋(dang)圈,裝(zhuang)(zhuang)(zhuang)(zhuang)上(shang)(shang)一(yi)半聯軸(zhou)(zhou)器,再在泵軸(zhou)(zhou)端和聯軸(zhou)(zhou)器槽內裝(zhuang)(zhuang)(zhuang)(zhuang)上(shang)(shang)擋(dang)塊(kuai)并(bing)用梅花扳手擰緊螺栓;再裝(zhuang)(zhuang)(zhuang)(zhuang)上(shang)(shang)另一(yi)半聯軸(zhou)(zhou)器擰上(shang)(shang)內六角螺釘(ding)。安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)聯軸(zhou)(zhou)器正確的檢查(cha)要求:對(dui)分式聯軸(zhou)(zhou)器上(shang)(shang)下間(jian)隙(xi)需要均(jun)勻,用手盤動聯軸(zhou)(zhou)器幾圈檢查(cha)轉動的靈活(huo)性。


  裝密(mi)(mi)封座:先將密(mi)(mi)封座裝入(ru)橡膠油(you)封,再把(ba)密(mi)(mi)封座裝入(ru)泵蓋(gai)并壓(ya)在(zai)(zai)(zai)軸(zhou)承(cheng)座上,擰緊(jin)(jin)(jin)螺母,確保(bao)所有安(an)裝螺釘緊(jin)(jin)(jin)固(gu)。當安(an)裝螺釘被用(yong)作密(mi)(mi)封與軸(zhou)之(zhi)間的(de)驅(qu)動時,軸(zhou)應打埋頭(tou)孔來加固(gu)連接,緊(jin)(jin)(jin)固(gu)壓(ya)蓋(gai)螺栓時應該平穩緊(jin)(jin)(jin)固(gu),并且不要使壓(ya)蓋(gai)受彈力。在(zai)(zai)(zai)可能的(de)地方使用(yong)4個以上螺釘的(de)等間距壓(ya)蓋(gai),緊(jin)(jin)(jin)固(gu)壓(ya)蓋(gai)螺栓時,用(yong)塞尺檢查軸(zhou)與壓(ya)蓋(gai)之(zhi)間的(de)間隙,這在(zai)(zai)(zai)密(mi)(mi)封腔對壓(ya)蓋(gai)不導向時,顯得特別重要,因(yin)為(wei)壓(ya)蓋(gai)必須對中。