礦用振動(dong)篩旳檢查維護(hu)
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礦用振動篩在礦業生產中有(you)(you)著舉足輕(qing)重旳地位(wei),對其(qi)檢查與維護也有(you)(you)著嚴格旳要求與規范,筆者根據多年從業經驗(yan),特總(zong)結(jie)如(ru)下
1、振動(dong)篩日常(chang)維護
振動(dong)(dong)(dong)篩(shai)日(ri)常維護內容包括篩(shai)子(zi)(zi)表面,振動(dong)(dong)(dong)篩(shai)特別是篩(shai)面緊(jin)固情況,振動(dong)(dong)(dong)篩(shai)松動(dong)(dong)(dong)時應(ying)及時緊(jin)固。振動(dong)(dong)(dong)篩(shai)定(ding)期(qi)清洗篩(shai)子(zi)(zi)表面,振動(dong)(dong)(dong)篩(shai)對(dui)于漆皮脫落(luo)部位(wei)應(ying)及時修理、除(chu)銹并(bing)涂漆,對(dui)于裸露的(de)加工表面應(ying)涂以工業凡士林以防生銹。
2、振動篩(shai)定期檢(jian)查
振動篩(shai)定期(qi)檢(jian)查(cha)包括周檢(jian)和月(yue)檢(jian)。
(1)、振(zhen)動(dong)(dong)(dong)篩(shai)周(zhou)檢(jian):檢(jian)查(cha)激振(zhen)器、篩(shai)面、支(zhi)承裝置(zhi)(zhi)等(deng)各部螺栓緊固(gu)情況,振(zhen)動(dong)(dong)(dong)篩(shai)當(dang)有松動(dong)(dong)(dong)時應加以緊固(gu)。檢(jian)查(cha)傳(chuan)動(dong)(dong)(dong)裝置(zhi)(zhi)的(de)使用狀況和連接(jie)螺栓的(de)鎖(suo)緊情況,振(zhen)動(dong)(dong)(dong)篩(shai)檢(jian)查(cha)三(san)角帶張(zhang)緊程(cheng)度,必要(yao)時適當(dang)張(zhang)緊。振(zhen)動(dong)(dong)(dong)篩(shai)檢(jian)查(cha)篩(shai)子時,振(zhen)動(dong)(dong)(dong)篩(shai)須特別(bie)注意(yi)查(cha)看(kan)在飛輪上的(de)不平(ping)衡重(zhong)塊固(gu)定(ding)得是否可靠,如固(gu)定(ding)不牢(lao),篩(shai)子運(yun)轉(zhuan)時,振(zhen)動(dong)(dong)(dong)篩(shai)不平(ping)衡重(zhong)塊就可能脫離飛輪,導致安全事(shi)故。
(2)、振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)月檢(jian):檢(jian)查(cha)(cha)篩(shai)(shai)(shai)(shai)面磨損情況(kuang),振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)如(ru)發(fa)(fa)現明顯的(de)局(ju)部磨損應采(cai)取必(bi)要的(de)措施(如(ru)調換(huan)位置等),并重新緊固(gu)篩(shai)(shai)(shai)(shai)面。振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)檢(jian)查(cha)(cha)整個(ge)篩(shai)(shai)(shai)(shai)框(kuang),振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)主(zhu)要檢(jian)查(cha)(cha)主(zhu)梁(liang)和全(quan)部橫梁(liang)焊縫情況(kuang),振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)并仔細檢(jian)查(cha)(cha)是否有局(ju)部裂紋。檢(jian)查(cha)(cha)篩(shai)(shai)(shai)(shai)箱側(ce)板全(quan)部螺栓情況(kuang),振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)當發(fa)(fa)現螺栓與(yu)側(ce)板有間隙或松動(dong)時,振(zhen)(zhen)(zhen)(zhen)動(dong)篩(shai)(shai)(shai)(shai)應更換(huan)新的(de)螺栓。
3、振動(dong)篩(shai)修理
對振(zhen)動篩(shai)篩(shai)子進行定期檢(jian)查時(shi)所(suo)發(fa)現的(de)(de)問題(ti),振(zhen)動篩(shai)應進行修理(li)(li)。振(zhen)動篩(shai)修理(li)(li)內(nei)容包括(kuo)及時(shi)調整三角(jiao)帶(dai)拉(la)力,更(geng)(geng)換新帶(dai),更(geng)(geng)換磨損(sun)的(de)(de)篩(shai)面以及縱向墊(dian)條,更(geng)(geng)換減振(zhen)彈簧,更(geng)(geng)換滾(gun)動軸承、傳動齒輪和密封,更(geng)(geng)換損(sun)壞的(de)(de)螺(luo)栓,修理(li)(li)篩(shai)框構件的(de)(de)破損(sun)等。
篩(shai)框(kuang)側板及(ji)梁應(ying)避(bi)免發生應(ying)力集中,振(zhen)(zhen)動(dong)篩(shai)因此不允許(xu)在(zai)這(zhe)些構件上施以(yi)焊接。振(zhen)(zhen)動(dong)篩(shai)對于下橫梁開(kai)裂應(ying)及(ji)時(shi)更換,側板發現裂紋損傷時(shi),應(ying)在(zai)裂紋盡頭(tou)及(ji)時(shi)鉆5mm孔(kong),然后在(zai)開(kai)裂部位加(jia)補(bu)強板。激振(zhen)(zhen)器的拆卸、修理和裝配應(ying)由專職(zhi)人員在(zai)潔凈場所(suo)進行。
振(zhen)動(dong)篩(shai)(shai)拆(chai)卸后檢(jian)查(cha)滾動(dong)軸承磨損(sun)情況(kuang),振(zhen)動(dong)篩(shai)(shai)檢(jian)查(cha)齒輪齒面(mian),振(zhen)動(dong)篩(shai)(shai)檢(jian)查(cha)各部件聯接情況(kuang),振(zhen)動(dong)篩(shai)(shai)清(qing)洗箱體(ti)中的潤滑(hua)回路使之暢通(tong),振(zhen)動(dong)篩(shai)(shai)清(qing)除(chu)各結(jie)合面(mian)上的附(fu)著物,振(zhen)動(dong)篩(shai)(shai)更換全(quan)部密(mi)封件及其他(ta)損(sun)壞零件。
振動篩維修時應特別注意:
(1)激振器及(ji)傳動裝置拆卸應由有經驗(yan)的(de)技術工人進行,振動篩(shai)嚴禁野蠻操作,振動篩(shai)防止損壞設備。振動篩(shai)裝配前應保持零件潔凈。
(2)振(zhen)動篩更換后的(de)新篩網應每(mei)隔4-8h重新張(zhang)緊一(yi)次,振(zhen)動篩直到完全張(zhang)緊為止。