礦用振動篩旳檢查維護
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礦(kuang)用振動篩在礦(kuang)業生產中有(you)著舉足輕重旳地位,對其檢查與維護也有(you)著嚴格旳要求與規范(fan),筆者根據多年從業經驗,特總結如(ru)下
1、振(zhen)動篩日常維護
振(zhen)動(dong)篩(shai)(shai)(shai)日常維(wei)護內容包括篩(shai)(shai)(shai)子(zi)(zi)表面,振(zhen)動(dong)篩(shai)(shai)(shai)特別是篩(shai)(shai)(shai)面緊固情況(kuang),振(zhen)動(dong)篩(shai)(shai)(shai)松(song)動(dong)時應(ying)及(ji)時緊固。振(zhen)動(dong)篩(shai)(shai)(shai)定期清洗篩(shai)(shai)(shai)子(zi)(zi)表面,振(zhen)動(dong)篩(shai)(shai)(shai)對于漆(qi)皮脫落部位應(ying)及(ji)時修理、除銹(xiu)并涂漆(qi),對于裸露(lu)的加工(gong)表面應(ying)涂以(yi)工(gong)業(ye)凡(fan)士林(lin)以(yi)防(fang)生銹(xiu)。
2、振動篩定期檢查
振動篩定(ding)期檢(jian)查包括周檢(jian)和月檢(jian)。
(1)、振動(dong)篩(shai)(shai)周檢:檢查激振器(qi)、篩(shai)(shai)面(mian)、支(zhi)承裝置等各(ge)部螺(luo)栓緊(jin)固情況,振動(dong)篩(shai)(shai)當有(you)松動(dong)時(shi)(shi)應加(jia)以緊(jin)固。檢查傳動(dong)裝置的(de)使用狀況和連接(jie)螺(luo)栓的(de)鎖緊(jin)情況,振動(dong)篩(shai)(shai)檢查三角帶張緊(jin)程度,必要時(shi)(shi)適當張緊(jin)。振動(dong)篩(shai)(shai)檢查篩(shai)(shai)子時(shi)(shi),振動(dong)篩(shai)(shai)須特別注意查看在(zai)飛輪上(shang)的(de)不平衡重(zhong)塊固定(ding)得是否可(ke)靠,如固定(ding)不牢,篩(shai)(shai)子運轉時(shi)(shi),振動(dong)篩(shai)(shai)不平衡重(zhong)塊就可(ke)能脫離飛輪,導致安全事故。
(2)、振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)月檢(jian)(jian):檢(jian)(jian)查篩(shai)面磨損(sun)情況(kuang)(kuang),振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)如發現明顯的局(ju)部磨損(sun)應采取(qu)必要的措施(如調(diao)換(huan)位置等(deng)),并(bing)重新緊固篩(shai)面。振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)檢(jian)(jian)查整個篩(shai)框,振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)主(zhu)要檢(jian)(jian)查主(zhu)梁(liang)和全部橫梁(liang)焊(han)縫情況(kuang)(kuang),振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)并(bing)仔細檢(jian)(jian)查是否有(you)局(ju)部裂紋。檢(jian)(jian)查篩(shai)箱側板(ban)全部螺(luo)栓(shuan)情況(kuang)(kuang),振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)當發現螺(luo)栓(shuan)與側板(ban)有(you)間隙或松動(dong)(dong)(dong)時,振(zhen)(zhen)(zhen)動(dong)(dong)(dong)篩(shai)應更換(huan)新的螺(luo)栓(shuan)。
3、振動篩修理
對(dui)振(zhen)動(dong)篩(shai)篩(shai)子進行定期檢查時(shi)所發現的問題,振(zhen)動(dong)篩(shai)應(ying)進行修(xiu)理。振(zhen)動(dong)篩(shai)修(xiu)理內容包括(kuo)及時(shi)調整三角帶拉(la)力,更(geng)換新帶,更(geng)換磨損(sun)的篩(shai)面以及縱(zong)向墊條,更(geng)換減振(zhen)彈簧(huang),更(geng)換滾(gun)動(dong)軸承、傳動(dong)齒輪(lun)和密封,更(geng)換損(sun)壞(huai)的螺栓,修(xiu)理篩(shai)框構(gou)件的破損(sun)等。
篩(shai)框側板(ban)及(ji)梁應避免發生應力集中,振動(dong)篩(shai)因此不允(yun)許在這些(xie)構件上(shang)施以焊(han)接。振動(dong)篩(shai)對于下橫梁開(kai)裂應及(ji)時(shi)更換,側板(ban)發現(xian)裂紋損傷時(shi),應在裂紋盡頭(tou)及(ji)時(shi)鉆5mm孔(kong),然后在開(kai)裂部位加補強(qiang)板(ban)。激振器的(de)拆(chai)卸、修理和裝配應由(you)專職人員在潔凈場所進(jin)行。
振(zhen)動(dong)(dong)篩(shai)(shai)拆(chai)卸后檢查滾動(dong)(dong)軸(zhou)承磨損情(qing)(qing)況,振(zhen)動(dong)(dong)篩(shai)(shai)檢查齒(chi)輪齒(chi)面,振(zhen)動(dong)(dong)篩(shai)(shai)檢查各(ge)部件聯接情(qing)(qing)況,振(zhen)動(dong)(dong)篩(shai)(shai)清洗箱體中的(de)潤滑回路使(shi)之暢通(tong),振(zhen)動(dong)(dong)篩(shai)(shai)清除各(ge)結(jie)合面上的(de)附著物,振(zhen)動(dong)(dong)篩(shai)(shai)更(geng)換全(quan)部密(mi)封(feng)件及其(qi)他損壞(huai)零(ling)件。
振動(dong)篩(shai)維修時應特(te)別注意:
(1)激(ji)振(zhen)(zhen)器及傳動(dong)裝(zhuang)置拆卸(xie)應(ying)由有(you)經驗的(de)技術工人進行,振(zhen)(zhen)動(dong)篩(shai)嚴禁(jin)野蠻操作,振(zhen)(zhen)動(dong)篩(shai)防止損(sun)壞設備。振(zhen)(zhen)動(dong)篩(shai)裝(zhuang)配(pei)前應(ying)保持(chi)零(ling)件潔凈(jing)。
(2)振動篩(shai)更換后(hou)的新篩(shai)網應每隔4-8h重新張緊一次,振動篩(shai)直(zhi)到完全張緊為止(zhi)。