礦用振(zhen)動篩旳檢查(cha)維(wei)護
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礦用振動篩在礦業生產中有(you)著舉足(zu)輕重旳地位，對(dui)其檢查(cha)與維護也有(you)著嚴(yan)格(ge)旳要求與規范，筆者根(gen)據多年從(cong)業經驗，特總結如下
1、振動篩(shai)日常維(wei)護(hu)
振動(dong)(dong)(dong)篩(shai)(shai)日常維護內容包(bao)括(kuo)篩(shai)(shai)子表面(mian)，振動(dong)(dong)(dong)篩(shai)(shai)特別是篩(shai)(shai)面(mian)緊固情況，振動(dong)(dong)(dong)篩(shai)(shai)松動(dong)(dong)(dong)時(shi)應及時(shi)緊固。振動(dong)(dong)(dong)篩(shai)(shai)定期清洗篩(shai)(shai)子表面(mian)，振動(dong)(dong)(dong)篩(shai)(shai)對(dui)(dui)于漆皮脫落(luo)部位應及時(shi)修理(li)、除銹并(bing)涂漆，對(dui)(dui)于裸露的加工表面(mian)應涂以工業凡士林以防(fang)生銹。
2、振(zhen)動篩(shai)定期檢查
振動篩定期檢(jian)(jian)查包括周(zhou)檢(jian)(jian)和月(yue)檢(jian)(jian)。
(1)、振(zhen)動篩(shai)(shai)(shai)(shai)(shai)周檢(jian)(jian)：檢(jian)(jian)查(cha)激(ji)振(zhen)器(qi)、篩(shai)(shai)(shai)(shai)(shai)面、支承裝(zhuang)置等(deng)各(ge)部(bu)螺栓緊固(gu)情況，振(zhen)動篩(shai)(shai)(shai)(shai)(shai)當有松(song)動時(shi)應加以緊固(gu)。檢(jian)(jian)查(cha)傳動裝(zhuang)置的(de)使用(yong)狀況和連接(jie)螺栓的(de)鎖緊情況，振(zhen)動篩(shai)(shai)(shai)(shai)(shai)檢(jian)(jian)查(cha)三(san)角帶張(zhang)緊程度，必要時(shi)適(shi)當張(zhang)緊。振(zhen)動篩(shai)(shai)(shai)(shai)(shai)檢(jian)(jian)查(cha)篩(shai)(shai)(shai)(shai)(shai)子(zi)時(shi)，振(zhen)動篩(shai)(shai)(shai)(shai)(shai)須(xu)特別注(zhu)意查(cha)看在飛(fei)(fei)輪上的(de)不(bu)平衡重塊(kuai)固(gu)定得是否可(ke)靠，如(ru)固(gu)定不(bu)牢，篩(shai)(shai)(shai)(shai)(shai)子(zi)運(yun)轉時(shi)，振(zhen)動篩(shai)(shai)(shai)(shai)(shai)不(bu)平衡重塊(kuai)就可(ke)能(neng)脫離飛(fei)(fei)輪，導致安全事(shi)故。
(2)、振(zhen)動(dong)(dong)(dong)篩(shai)(shai)月檢(jian)(jian)：檢(jian)(jian)查(cha)(cha)篩(shai)(shai)面磨(mo)損(sun)情況(kuang)，振(zhen)動(dong)(dong)(dong)篩(shai)(shai)如發(fa)現明(ming)顯的(de)局(ju)部磨(mo)損(sun)應(ying)(ying)采取必要的(de)措施(如調(diao)換位置等)，并(bing)重新緊(jin)固篩(shai)(shai)面。振(zhen)動(dong)(dong)(dong)篩(shai)(shai)檢(jian)(jian)查(cha)(cha)整個篩(shai)(shai)框，振(zhen)動(dong)(dong)(dong)篩(shai)(shai)主(zhu)要檢(jian)(jian)查(cha)(cha)主(zhu)梁(liang)和(he)全部橫(heng)梁(liang)焊縫情況(kuang)，振(zhen)動(dong)(dong)(dong)篩(shai)(shai)并(bing)仔(zi)細檢(jian)(jian)查(cha)(cha)是否有局(ju)部裂紋。檢(jian)(jian)查(cha)(cha)篩(shai)(shai)箱側板全部螺栓(shuan)情況(kuang)，振(zhen)動(dong)(dong)(dong)篩(shai)(shai)當發(fa)現螺栓(shuan)與側板有間隙或松動(dong)(dong)(dong)時，振(zhen)動(dong)(dong)(dong)篩(shai)(shai)應(ying)(ying)更換新的(de)螺栓(shuan)。
3、振動篩修(xiu)理
對振動(dong)(dong)篩(shai)(shai)(shai)篩(shai)(shai)(shai)子進(jin)行定期(qi)檢查時所(suo)發現的(de)(de)問題(ti)，振動(dong)(dong)篩(shai)(shai)(shai)應進(jin)行修理(li)。振動(dong)(dong)篩(shai)(shai)(shai)修理(li)內容包括(kuo)及(ji)(ji)時調整三(san)角(jiao)帶(dai)拉力(li)，更(geng)換(huan)新帶(dai)，更(geng)換(huan)磨(mo)損的(de)(de)篩(shai)(shai)(shai)面以(yi)及(ji)(ji)縱向墊條，更(geng)換(huan)減振彈簧，更(geng)換(huan)滾(gun)動(dong)(dong)軸承、傳(chuan)動(dong)(dong)齒輪和密封，更(geng)換(huan)損壞的(de)(de)螺(luo)栓(shuan)，修理(li)篩(shai)(shai)(shai)框(kuang)構件的(de)(de)破損等(deng)。
篩(shai)(shai)框側板及(ji)梁(liang)應(ying)避(bi)免發(fa)生應(ying)力集中，振動篩(shai)(shai)因此不允許(xu)在這些構件上(shang)施以焊接。振動篩(shai)(shai)對于(yu)下橫梁(liang)開(kai)裂(lie)應(ying)及(ji)時(shi)(shi)更換，側板發(fa)現裂(lie)紋(wen)損傷時(shi)(shi)，應(ying)在裂(lie)紋(wen)盡頭及(ji)時(shi)(shi)鉆5mm孔，然后在開(kai)裂(lie)部位加補(bu)強(qiang)板。激振器(qi)的拆卸、修理和裝配(pei)應(ying)由專職人員在潔凈場(chang)所進行。
振(zhen)動(dong)(dong)篩拆(chai)卸(xie)后檢查滾動(dong)(dong)軸承磨損情況，振(zhen)動(dong)(dong)篩檢查齒輪齒面(mian)，振(zhen)動(dong)(dong)篩檢查各(ge)部(bu)(bu)件聯接情況，振(zhen)動(dong)(dong)篩清(qing)洗箱(xiang)體中的(de)潤(run)滑回路使之(zhi)暢通，振(zhen)動(dong)(dong)篩清(qing)除(chu)各(ge)結合(he)面(mian)上的(de)附著物，振(zhen)動(dong)(dong)篩更換全部(bu)(bu)密(mi)封件及其他損壞(huai)零件。
振(zhen)動篩(shai)維修(xiu)時應特別注意：
(1)激振(zhen)(zhen)(zhen)器及傳動(dong)(dong)裝置拆卸應由(you)有經驗(yan)的技(ji)術工人(ren)進行，振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)嚴禁野蠻操(cao)作，振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)防(fang)止損壞設(she)備。振(zhen)(zhen)(zhen)動(dong)(dong)篩(shai)裝配(pei)前應保持零件潔凈。
(2)振(zhen)動篩更換后的新(xin)篩網應每隔4-8h重新(xin)張緊一次，振(zhen)動篩直到完全張緊為(wei)止。
