一、膠帶本身的問題:膠帶材質不均,輸送帶不直和鋼繩芯帶橫向成槽性能差等,會造成膠帶跑偏甚至左右跑偏。膠帶缺陷點(如接頭不正)向xiang右you跑pao偏pian或huo向xiang左zuo跑pao偏pian會hui沿yan著zhe膠jiao帶dai運yun行xing方fang向xiang全quan程cheng向xiang右you跑pao偏pian或huo向xiang左zuo跑pao偏pian。檢jian測ce方fang法fa是shi在zai缺que陷xian點dian處chu作zuo標biao記ji,沿yan全quan程cheng仔zai細xi觀guan察cha,缺que陷xian點dian是shi否fou全quan程cheng都dou向xiang一yi側ce跑pao偏pian,如ru果guo是shi缺que陷xian點dian過guo後hou膠jiao帶dai回hui複fu正zheng常chang,說shuo明ming膠jiao帶dai有you問wen題ti。整zheng條tiao膠jiao帶dai由you多duo段duan硫liu接jie而er成cheng,如ru果guo每mei個ge接jie頭tou誤wu差cha都dou超chao過guo2mm,且qie有you的de接jie頭tou左zuo偏pian有you的de接jie頭tou右you偏pian,會hui造zao成cheng膠jiao帶dai有you段duan左zuo側ce受shou力li大da,有you段duan右you側ce受shou力li大da,在zai同tong一yi點dian觀guan察cha膠jiao帶dai左zuo右you跑pao偏pian。在zai試shi機ji時shi要yao仔zai細xi觀guan察cha不bu跑pao偏pian段duan是shi否fou沿yan全quan程cheng都dou不bu跑pao偏pian,跑pao偏pian段duan是shi否fou沿yan全quan程cheng都dou跑pao偏pian,如ru果guo是shi則ze可ke判pan定ding膠jiao帶dai質zhi量liang問wen題ti或huo接jie頭tou不bu正zheng。接jie頭tou質zhi量liang檢jian測ce方fang法fa:以接頭為中心向兩端各量3m作(zuo)為(wei)檢(jian)測(ce)長(chang)度(du),用(yong)兩(liang)點(dian)一(yi)線(xian)的(de)方(fang)法(fa)畫(hua)出(chu)接(jie)頭(tou)每(mei)端(duan)的(de)中(zhong)心(xin)線(xian),在(zai)接(jie)頭(tou)點(dian)測(ce)量(liang)兩(liang)條(tiao)中(zhong)心(xin)線(xian)的(de)偏(pian)差(cha)即(ji)為(wei)接(jie)頭(tou)誤(wu)差(cha)。如(ru)果(guo)膠(jiao)帶(dai)使(shi)用(yong)時(shi)間(jian)長(chang),產(chan)生(sheng)老(lao)化(hua)變(bian)形(xing)、邊(bian)緣(yuan)磨(mo)損(sun),或(huo)者(zhe)膠(jiao)帶(dai)損(sun)壞(huai)後(hou)重(zhong)新(xin)製(zhi)作(zuo)的(de)接(jie)頭(tou)中(zhong)心(xin)不(bu)正(zheng),這(zhe)些(xie)也(ye)會(hui)使(shi)膠(jiao)帶(dai)兩(liang)側(ce)邊(bian)所(suo)受(shou)拉(la)力(li)不(bu)一(yi)致(zhi)而(er)導(dao)致(zhi)跑(pao)偏(pian)。這(zhe)種(zhong)情(qing)況(kuang)處(chu)理(li)的(de)方(fang)法(fa)隻(zhi)有(you)對(dui)中(zhong)心(xin)不(bu)正(zheng)的(de)膠(jiao)接(jie)頭(tou)重(zhong)新(xin)製(zhi)作(zuo),更(geng)換(huan)帶(dai)邊(bian)立(li)輥(gun)的(de)調(tiao)心(xin)托(tuo)輥(gun)組(zu)或(huo)安(an)裝(zhuang)限(xian)位(wei)托(tuo)輥(gun),膠(jiao)帶(dai)老(lao)化(hua)變(bian)形(xing)嚴(yan)重(zhong)強(qiang)度(du)降(jiang)低(di)的(de)給(gei)予(yu)更(geng)換(huan)處(chu)理(li)。
二、輸送機的張緊裝置使膠帶的張緊力不夠:jiaodaiwuzaishihuoshaoliangzaiheshibupaopian,dangzaiheshaodashijiuhuichuxianpaopianxianxiang。zhangjinzhuangzhishibaozhengjiaodaishizhongbaochizugoudezhangjinlideyouxiaozhuangzhi,zhangjinlibugou,jiaodaidewendingxingjiuhencha,shouwailiganraodeyingxiangjiuyueda,yanzhongshihaihuichanshengdahuaxianxiang。duiyushiyongzhongchuizhangjinzhuangzhidedaishiyunshujiketianjiapeizhongkuailaijiejue,danbuyingtianjiaguoduo,yimianshipidaichengshoububiyaodeguodazhanglierjiangdipidaideshiyongshouming。ruguojiaodaizuoyoupaopianqiewugudingfangxiang,zeshuomingjiaodaisongchi,yingtiaozhengzhangjinjigou。duiyushiyongluoxuanzhangjinhuoyeyazhangjindedaishiyunshujiketiaozhengzhangjinxingchenglaizengdazhangjinli。shiyunxingshi,tiaozhengxingchengbuxiaoyuquanxingchengde1/2。但是,有時張緊行程已不夠,皮帶出現了永久性變形,這時可將皮帶截去一段重新進行硫化膠接。
三、頭部驅動滾筒或尾部改向滾筒的軸線與輸送機中心線不垂直:造zao成cheng膠jiao帶dai在zai頭tou部bu滾gun筒tong或huo尾wei部bu改gai向xiang滾gun筒tong處chu跑pao偏pian。滾gun筒tong偏pian斜xie時shi,膠jiao帶dai在zai滾gun筒tong兩liang側ce的de鬆song緊jin度du不bu一yi致zhi,沿yan寬kuan度du方fang向xiang上shang所suo受shou的de牽qian引yin力li也ye就jiu不bu一yi致zhi,成cheng遞di增zeng或huo遞di減jian趨qu勢shi,這zhe樣yang就jiu會hui使shi膠jiao帶dai產chan生sheng一yi個ge向xiang遞di減jian方fang向xiang的de移yi動dong力li,從cong而er導dao致zhi膠jiao帶dai向xiang鬆song側ce跑pao偏pian,即ji所suo謂wei的de“跑鬆不跑緊”。qijiejuefangfashi,duiyutoubuguntongrujiaodaixiangguntongdeyoucepaopian,zeyoucedezhouchengzuoyingdangxiangqianyidong,jiaodaixiangguntongdezuocepaopian,zezuocedezhouchengzuoyingdangxiangqianyidong,xiangduiyingdeyekejiangzuocezhouchengzuohouyihuoyoucezhouchengzuohouyi。weibuguntongdetiaozhengfangfayutoubuguntongganghaoxiangfan。jingguofanfutiaozhengzhidaojiaodaitiaodaojiaolixiangdeweizhi。zuihaoshizaianzhuangqudongguntonghuogaixiangguntongweizhishizuohaocaopingzhaozheng,jingqueanzhuang。
四、承(cheng)載(zai)托(tuo)輥(gun)組(zu)安(an)裝(zhuang)位(wei)置(zhi)與(yu)輸(shu)送(song)機(ji)中(zhong)心(xin)線(xian)的(de)垂(chui)直(zhi)度(du)誤(wu)差(cha)較(jiao)大(da),導(dao)致(zhi)膠(jiao)帶(dai)在(zai)承(cheng)載(zai)段(duan)向(xiang)一(yi)側(ce)跑(pao)偏(pian)。膠(jiao)帶(dai)向(xiang)前(qian)運(yun)行(xing)時(shi)給(gei)托(tuo)輥(gun)一(yi)個(ge)向(xiang)前(qian)的(de)牽(qian)引(yin)力(li),這(zhe)個(ge)牽(qian)引(yin)力(li)分(fen)解(jie)為(wei)使(shi)托(tuo)輥(gun)轉(zhuan)動(dong)的(de)分(fen)力(li)和(he)一(yi)個(ge)橫(heng)向(xiang)分(fen)力(li),這(zhe)個(ge)橫(heng)向(xiang)分(fen)力(li)使(shi)托(tuo)輥(gun)軸(zhou)向(xiang)竄(cuan)動(dong),由(you)於(yu)托(tuo)輥(gun)支(zhi)架(jia)的(de)固(gu)定(ding)托(tuo)輥(gun)是(shi)無(wu)法(fa)軸(zhou)向(xiang)竄(cuan)動(dong)的(de),它(ta)必(bi)然(ran)就(jiu)會(hui)對(dui)膠(jiao)帶(dai)產(chan)生(sheng)一(yi)個(ge)反(fan)作(zuo)用(yong)力(li),使(shi)膠(jiao)帶(dai)向(xiang)另(ling)一(yi)側(ce)移(yi)動(dong),從(cong)而(er)導(dao)致(zhi)了(le)跑(pao)偏(pian)。搞(gao)清(qing)楚(chu)了(le)承(cheng)載(zai)托(tuo)輥(gun)組(zu)安(an)裝(zhuang)偏(pian)斜(xie)時(shi)的(de)受(shou)力(li)情(qing)況(kuang),就(jiu)不(bu)難(nan)理(li)解(jie)膠(jiao)帶(dai)跑(pao)偏(pian)的(de)原(yuan)因(yin)了(le),解(jie)決(jue)的(de)方(fang)法(fa)也(ye)就(jiu)清(qing)晰(xi)了(le)。一(yi)種(zhong)方(fang)法(fa)就(jiu)是(shi)在(zai)製(zhi)造(zao)時(shi)托(tuo)輥(gun)組(zu)的(de)兩(liang)側(ce)安(an)裝(zhuang)孔(kong)都(dou)加(jia)工(gong)成(cheng)長(chang)孔(kong),以(yi)便(bian)進(jin)行(xing)調(tiao)整(zheng)。具(ju)體(ti)方(fang)法(fa)是(shi)皮(pi)帶(dai)偏(pian)向(xiang)哪(na)一(yi)側(ce),托(tuo)輥(gun)組(zu)的(de)哪(na)一(yi)側(ce)朝(chao)皮(pi)帶(dai)前(qian)進(jin)方(fang)向(xiang)前(qian)移(yi),或(huo)另(ling)外(wai)一(yi)側(ce)後(hou)移(yi)。皮(pi)帶(dai)向(xiang)上(shang)方(fang)向(xiang)跑(pao)偏(pian)則(ze)托(tuo)輥(gun)組(zu)的(de)下(xia)位(wei)處(chu)應(ying)當(dang)向(xiang)左(zuo)移(yi)動(dong),托(tuo)輥(gun)組(zu)的(de)上(shang)位(wei)處(chu)向(xiang)右(you)移(yi)動(dong)。另(ling)一(yi)種(zhong)方(fang)法(fa)是(shi)安(an)裝(zhuang)調(tiao)心(xin)托(tuo)輥(gun)組(zu),調(tiao)心(xin)托(tuo)輥(gun)組(zu)有(you)多(duo)種(zhong)類(lei)型(xing)如(ru)中(zhong)間(jian)轉(zhuan)軸(zhou)式(shi)、連杆式、立(li)輥(gun)式(shi)等(deng),其(qi)原(yuan)理(li)是(shi)采(cai)用(yong)阻(zu)擋(dang)或(huo)托(tuo)輥(gun)在(zai)水(shui)平(ping)麵(mian)內(nei)方(fang)向(xiang)轉(zhuan)動(dong)阻(zu)擋(dang)或(huo)產(chan)生(sheng)橫(heng)向(xiang)推(tui)力(li)使(shi)皮(pi)帶(dai)自(zi)動(dong)向(xiang)心(xin)達(da)到(dao)調(tiao)整(zheng)皮(pi)帶(dai)跑(pao)偏(pian)的(de)目(mu)的(de),其(qi)受(shou)力(li)情(qing)況(kuang)和(he)承(cheng)載(zai)托(tuo)輥(gun)組(zu)偏(pian)斜(xie)受(shou)力(li)情(qing)況(kuang)相(xiang)同(tong)。如(ru)果(guo)膠(jiao)帶(dai)運(yun)行(xing)時(shi)總(zong)向(xiang)一(yi)邊(bian)跑(pao)偏(pian),可(ke)在(zai)膠(jiao)帶(dai)跑(pao)偏(pian)側(ce)將(jiang)托(tuo)輥(gun)豎(shu)直(zhi)安(an)裝(zhuang)(立輥),一(yi)方(fang)麵(mian)由(you)於(yu)立(li)輥(gun)的(de)作(zuo)用(yong)力(li)使(shi)膠(jiao)帶(dai)強(qiang)行(xing)複(fu)位(wei),另(ling)一(yi)方(fang)麵(mian)由(you)於(yu)立(li)輥(gun)與(yu)膠(jiao)帶(dai)邊(bian)緣(yuan)的(de)磨(mo)擦(ca)作(zuo)用(yong),降(jiang)低(di)了(le)膠(jiao)帶(dai)跑(pao)偏(pian)側(ce)的(de)線(xian)速(su)度(du),相(xiang)對(dui)地(di)增(zeng)加(jia)了(le)膠(jiao)帶(dai)另(ling)一(yi)側(ce)的(de)線(xian)速(su)度(du),使(shi)膠(jiao)帶(dai)向(xiang)另(ling)一(yi)側(ce)移(yi)動(dong)直(zhi)至(zhi)複(fu)位(wei)。一(yi)般(ban)在(zai)帶(dai)式(shi)輸(shu)送(song)機(ji)總(zong)長(chang)度(du)較(jiao)短(duan)時(shi)或(huo)帶(dai)式(shi)輸(shu)送(song)機(ji)雙(shuang)向(xiang)運(yun)行(xing)時(shi)采(cai)用(yong)此(ci)方(fang)法(fa)比(bi)較(jiao)合(he)理(li),原(yuan)因(yin)是(shi)較(jiao)短(duan)帶(dai)式(shi)輸(shu)送(song)機(ji)更(geng)容(rong)易(yi)跑(pao)偏(pian)並(bing)且(qie)不(bu)容(rong)易(yi)調(tiao)整(zheng)。而(er)長(chang)帶(dai)式(shi)輸(shu)送(song)機(ji)最(zui)好(hao)不(bu)采(cai)用(yong)此(ci)方(fang)法(fa),因(yin)為(wei)調(tiao)心(xin)托(tuo)輥(gun)組(zu)的(de)使(shi)用(yong)會(hui)對(dui)膠(jiao)帶(dai)的(de)使(shi)用(yong)壽(shou)命(ming)產(chan)生(sheng)一(yi)定(ding)的(de)影(ying)響(xiang)。
五、轉zhuan載zai點dian落luo料liao位wei置zhi不bu正zheng對dui膠jiao帶dai造zao成cheng跑pao偏pian,轉zhuan載zai點dian處chu物wu料liao的de落luo料liao位wei置zhi對dui膠jiao帶dai的de跑pao偏pian有you非fei常chang大da的de影ying響xiang,尤you其qi在zai上shang條tiao輸shu送song機ji與yu本ben條tiao輸shu送song機ji在zai水shui平ping麵mian的de投tou影ying成cheng垂chui直zhi時shi影ying響xiang更geng大da。通tong常chang應ying當dang考kao慮lv轉zhuan載zai點dian處chu上shang下xia兩liang條tiao皮pi帶dai機ji的de相xiang對dui高gao度du。相xiang對dui高gao度du越yue低di,物wu料liao的de水shui平ping速su度du分fen量liang越yue大da,對dui下xia層ceng皮pi帶dai的de側ce向xiang衝chong擊ji力li也ye越yue大da,同tong時shi物wu料liao也ye很hen難nan居ju中zhong。使shi在zai膠jiao帶dai橫heng斷duan麵mian上shang的de物wu料liao偏pian斜xie,衝chong擊ji力li的de水shui平ping分fen力li最zui終zhong導dao致zhi皮pi帶dai跑pao偏pian。如ru果guo物wu料liao偏pian到dao右you側ce,則ze皮pi帶dai向xiang左zuo側ce跑pao偏pian,反fan之zhi亦yi然ran。對dui於yu這zhe種zhong情qing況kuang下xia的de跑pao偏pian,在zai設she計ji過guo程cheng中zhong應ying盡jin可ke能neng地di加jia大da兩liang條tiao輸shu送song機ji的de相xiang對dui高gao度du。在zai受shou空kong間jian限xian製zhi的de帶dai式shi輸shu送song機ji的de上shang下xia漏lou鬥dou、導dao料liao槽cao等deng件jian的de形xing式shi與yu尺chi寸cun更geng應ying認ren真zhen考kao慮lv。一yi般ban導dao料liao槽cao的de寬kuan度du應ying為wei皮pi帶dai寬kuan度du的de五wu分fen之zhi三san左zuo右you比bi較jiao合he適shi。為wei減jian少shao或huo避bi免mian皮pi帶dai跑pao偏pian可ke增zeng加jia擋dang料liao板ban阻zu擋dang物wu料liao,改gai變bian物wu料liao的de下xia落luo方fang向xiang和he位wei置zhi。
六、滾筒外表麵加工誤差、粘煤或磨損不均造成直徑大小不一,膠帶會向直徑較大的一側跑偏。即所謂的“跑大不跑小”。qijiaodaideqianyinlichanshengyigexiangzhijingdacedeyidongfenli,zaifenlidezuoyongxia,jiaodaichanshengpianyi。duiyuzhezhongqingkuang,jiejuedefangfajiushiqingliganjingguntongbiaomianmeini、礦渣,加工誤差和磨損不均的就要更換下來重新加工包膠處理。
七、duiyushejiyouaoduandedaishishusongji,ruaoduandequlvbanjingguoxiao,zaiqidongshiruguopidaishangmeiyouwuliao,zaiaoduanqujianchupidaijiuhuidanqi,yinci,zuihaozaipidaiyunshujideaoduanchuzengsheyadailunlaibimianpidaidedanqi。doulunduiquliaojidexiacengchuanguoshijiaodaizaiweicheduiliaozhuangtaishijiuhuichanshengyigehendadeaoduan,cichuzuirongyifashengpaopian。ruxiacengshusongjiyoujijiaxiachen,genghuijiajujiaodaidetengkongfanwei,jiyipaopian。yinci,zaishejijieduanyingjinkenengdicaiyongjiaodadeaoduanqulvbanjinglaibimiancileiqingkuangdefasheng。
八、shuangxiangyunxingpidaiyunshujipaopiandetiaozheng,shuangxiangyunxingdepidaiyunshujipidaipaopiandetiaozhengbidanxiangpidaiyunshujipaopiandetiaozhengxiangduiyaokunnanxuduo,zaijutitiaozhengshiyingxiantiaozhengmouyigefangxiang,ranhoutiaozhenglingwai~個ge方fang向xiang。調tiao整zheng時shi要yao仔zai細xi觀guan察cha皮pi帶dai運yun動dong方fang向xiang與yu跑pao偏pian趨qu勢shi的de關guan係xi,逐zhu個ge進jin行xing調tiao整zheng。重zhong點dian應ying放fang在zai驅qu動dong滾gun筒tong和he改gai向xiang滾gun筒tong的de調tiao整zheng上shang,其qi次ci是shi托tuo輥gun的de調tiao整zheng與yu物wu料liao的de落luo料liao點dian的de調tiao整zheng。同tong時shi應ying注zhu意yi皮pi帶dai在zai硫liu化hua接jie頭tou時shi應ying使shi皮pi帶dai斷duan麵mian長chang度du方fang向xiang上shang的de受shou力li均jun勻yun,兩liang側ce的de受shou力li盡jin可ke能neng地di相xiang等deng。
帶dai式shi輸shu送song機ji膠jiao帶dai跑pao偏pian的de原yuan因yin很hen多duo,對dui具ju體ti情qing況kuang要yao認ren真zhen觀guan察cha,分fen析xi問wen題ti,在zai調tiao整zheng膠jiao帶dai跑pao偏pian時shi不bu可ke急ji於yu求qiu成cheng。調tiao整zheng後hou還hai應ying當dang認ren真zhen觀guan察cha,直zhi至zhi膠jiao帶dai恢hui複fu正zheng常chang運yun行xing。
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