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池州如何對機械密封進行更換工作

發布時間(jian):2021-06-01 15:17:49 人氣:182917 來源:川工(gong)密(mi)封

  池州機械密封利用機(ji)械方式傳(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)動(dong)(dong)(dong)(dong),機(ji)械傳(chuan)動(dong)(dong)(dong)(dong)在機(ji)械工(gong)程(cheng)中應用非常廣泛,有多種(zhong)形式,主要包括(kuo)皮帶傳(chuan)動(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)動(dong)(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)齒(chi)條傳(chuan)動(dong)(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)動(dong)(dong)(dong)(dong)等。齒(chi)輪(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)能夠用于(yu)大功率的(de)(de)(de)場合,傳(chuan)動(dong)(dong)(dong)(dong)比(bi)準確,但一般要求較高的(de)(de)(de)制造精(jing)(jing)度(du)和(he)(he)安裝(zhuang)精(jing)(jing)度(du)。還有一類是靠機(ji)件間的(de)(de)(de)摩(mo)擦(ca)(ca)力(li)傳(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)的(de)(de)(de)摩(mo)擦(ca)(ca)傳(chuan)動(dong)(dong)(dong)(dong),包括(kuo)帶傳(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)動(dong)(dong)(dong)(dong)和(he)(he)摩(mo)擦(ca)(ca)輪(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)等。摩(mo)擦(ca)(ca)傳(chuan)動(dong)(dong)(dong)(dong)容易實現無級變速,可(ke)以適應軸(zhou)間距(ju)較大的(de)(de)(de)傳(chuan)動(dong)(dong)(dong)(dong)場合,而(er)過(guo)載打滑還能起到緩(huan)沖和(he)(he)保護傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置的(de)(de)(de)作用,但這種(zhong)傳(chuan)動(dong)(dong)(dong)(dong)一般不能用于(yu)大功率的(de)(de)(de)場合,也不能保證準確的(de)(de)(de)傳(chuan)動(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是池州機械密封的更(geng)換(huan)工作大(da)同小異,首先拆前需(xu)確認電(dian)機處于檢修狀態,擰下加油(you)螺塞,用吸管把密(mi)封座(zuo)腔內的潤(run)滑(hua)油(you)吸出。準備好放置泵(beng)零件的工作臺及拆裝工具,切勿任意亂放亂用,避免(mian)碰壞泵(beng)的零部件。

  拆對(dui)分式聯軸(zhou)器:先把聯軸(zhou)器的固(gu)定(ding)內六角螺(luo)釘擰下(xia)來,再輕輕把聯軸(zhou)器的一半從軸(zhou)上慢慢拉下(xia),注意(yi)不要掉(diao)了,再用梅花扳手擰下(xia)泵(beng)(beng)軸(zhou)吊緊螺(luo)栓(shuan)和擋塊(kuai),讓(rang)葉(xie)輪(lun)慢慢下(xia)沉至泵(beng)(beng)體(ti),然(ran)后拆下(xia)另(ling)外一半聯軸(zhou)器,拿下(xia)泵(beng)(beng)軸(zhou)擋圈。

  拆卸池州機械密封:抓住密封彈簧順著泵軸往上提,就能拆下來了。

  拆(chai)卸(xie)(xie)并(bing)清(qing)洗(xi)軸(zhou)承座(zuo):先輕輕松動一下(xia)軸(zhou)承座(zuo)后(hou)用拆(chai)卸(xie)(xie)螺(luo)栓頂起軸(zhou)承座(zuo),并(bing)且沿著泵軸(zhou)往上提而(er)卸(xie)(xie)下(xia),再用噴(pen)氣(qi)燃料(liao)清(qing)洗(xi)軸(zhou)承及座(zuo),裝前晾(liang)干并(bing)涂抹少許(xu)20號機械(xie)油用來潤(run)滑保護。

  拆(chai)密(mi)封座:擰(ning)下(xia)密(mi)封座壓緊螺母,輕輕卸下(xia)密(mi)封座并清洗。

  池州機械密封裝配:在動、靜(jing)(jing)環(huan)(huan)(huan)鏡(jing)面(mian)上(shang)(shang)(shang)(shang)涂一層潔凈(jing)的20號潤(run)滑油,導(dao)軸承座也抹上(shang)(shang)(shang)(shang)潤(run)滑油,先把(ba)(ba)靜(jing)(jing)環(huan)(huan)(huan)輕(qing)輕(qing)定位(wei)(wei)裝入導(dao)軸承座,再(zai)在泵(beng)軸上(shang)(shang)(shang)(shang)抹上(shang)(shang)(shang)(shang)潤(run)滑油,把(ba)(ba)動環(huan)(huan)(huan)部分輕(qing)輕(qing)裝入泵(beng)軸上(shang)(shang)(shang)(shang),用手(shou)輕(qing)推(tui)密封環(huan)(huan)(huan)應能伸縮自(zi)如(ru),注意動、靜(jing)(jing)環(huan)(huan)(huan)部分的防轉(zhuan)部位(wei)(wei)需裝配到位(wei)(wei)。

  裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)器(qi):在電(dian)機(ji)軸(zhou)頭上(shang)(shang)(shang)裝(zhuang)(zhuang)上(shang)(shang)(shang)擋圈(quan),裝(zhuang)(zhuang)上(shang)(shang)(shang)一半聯(lian)(lian)軸(zhou)器(qi),再在泵(beng)軸(zhou)端和聯(lian)(lian)軸(zhou)器(qi)槽(cao)內裝(zhuang)(zhuang)上(shang)(shang)(shang)擋塊并用梅花扳手(shou)擰緊(jin)螺栓;再裝(zhuang)(zhuang)上(shang)(shang)(shang)另一半聯(lian)(lian)軸(zhou)器(qi)擰上(shang)(shang)(shang)內六角螺釘(ding)。安裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)器(qi)正確的(de)檢查(cha)(cha)要求:對分式聯(lian)(lian)軸(zhou)器(qi)上(shang)(shang)(shang)下間隙需(xu)要均勻,用手(shou)盤(pan)動聯(lian)(lian)軸(zhou)器(qi)幾圈(quan)檢查(cha)(cha)轉動的(de)靈活性。

  裝密(mi)封(feng)座:先(xian)將(jiang)密(mi)封(feng)座裝入橡膠油封(feng),再把(ba)密(mi)封(feng)座裝入泵(beng)蓋并(bing)壓(ya)(ya)在軸(zhou)承座上,擰(ning)緊(jin)螺(luo)母,確保所有安裝螺(luo)釘(ding)(ding)緊(jin)固。當(dang)安裝螺(luo)釘(ding)(ding)被(bei)用(yong)作密(mi)封(feng)與(yu)(yu)軸(zhou)之間的驅動(dong)時,軸(zhou)應打埋頭孔來加(jia)固連接,緊(jin)固壓(ya)(ya)蓋螺(luo)栓時應該平穩緊(jin)固,并(bing)且(qie)不(bu)要使(shi)壓(ya)(ya)蓋受彈力(li)。在可(ke)能的地方使(shi)用(yong)4個以(yi)上螺(luo)釘(ding)(ding)的等間距(ju)壓(ya)(ya)蓋,緊(jin)固壓(ya)(ya)蓋螺(luo)栓時,用(yong)塞尺檢查軸(zhou)與(yu)(yu)壓(ya)(ya)蓋之間的間隙,這在密(mi)封(feng)腔(qiang)對壓(ya)(ya)蓋不(bu)導向時,顯得特別(bie)重要,因為(wei)壓(ya)(ya)蓋必(bi)須對中(zhong)。