1、式輸送機膠帶跑偏的原因分析
1.1承栽托輥組安裝不當
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),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)時(shi),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)。
1.2驅動滾筒與改向滾筒位置安裝不當
頭tou部bu驅qu動dong滾gun筒tong或huo尾wei部bu改gai向xiang滾gun筒tong的de軸zhou線xian與yu輸shu送song機ji中zhong心xin線xian不bu垂chui直zhi導dao致zhi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附fu加jia一yi個ge向xiang遞di減jian方fang向xiang的de移yi動dong力li,導dao致zhi膠jiao帶dai向xiang鬆song側ce跑pao偏pian.即所謂的“跑鬆不跑緊”。
1.3滾筒外表麵加工誤差、粘煤或磨損不均
滾筒外表麵加工誤差、粘zhan煤mei或huo磨mo損sun不bu均jun時shi導dao致zhi滾gun筒tong直zhi徑jing大da小xiao不bu一yi,此ci時shi膠jiao帶dai的de牽qian引yin力li會hui產chan生sheng一yi個ge向xiang直zhi徑jing大da側ce的de移yi動dong分fen力li,在zai分fen力li的de作zuo用yong下xia,膠jiao帶dai產chan生sheng偏pian移yi,向xiang直zhi徑jing較jiao大da的de一yi側ce跑pao偏pian,即ji所suo謂wei的de“跑大不跑小”。
1.4轉載點處落料位置不正
轉zhuan載zai點dian處chu物wu料liao下xia落luo時shi,如ru果guo落luo料liao位wei置zhi不bu正zheng會hui對dui膠jiao帶dai產chan生sheng一yi個ge垂chui直zhi於yu膠jiao帶dai運yun行xing方fang向xiang的de衝chong擊ji力li,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,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,衝chong擊ji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。
1.5張緊力不足
zhangjinzhuangzhishibaozhengjiaodaishizhongbaochizugoudezhangjinlideyouxiaozhuangzhi,zhangjinlibugou,jiaodaidewendingxingjiuhencha,shouwailiganraodeyingxiangjiuyueda,yanzhongshihaihuichanshengdahuaxianxiang。zhangjinzhuangzhizhangjinlibuzushi,ruguojiaodaiwuzaihuoyoushaoliangzaihe,jiaodaisuochengshoudebupinghenglibuhenmingxian,cishijiaodaibupaopian,dangzaiheshaodashijiuhuichuxianpaopianxianxiang,yuanlileitongyu“跑鬆不跑緊”現象。
1.6膠帶本身的的問題
膠帶本身質量不合格在使用過程中產生變形或膠帶使用時間長,產生老化變形、邊(bian)緣(yuan)磨(mo)損(sun)以(yi)及(ji)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),都(dou)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)。此(ci)時(shi)膠(jiao)帶(dai)整(zheng)體(ti)上(shang)會(hui)向(xiang)一(yi)側(ce)跑(pao)偏(pian),但(dan)最(zui)大(da)跑(pao)偏(pian)在(zai)不(bu)正(zheng)的(de)接(jie)頭(tou)處(chu),原(yuan)理(li)雷(lei)同(tong)於(yu)上(shang)述(shu)“跑鬆不跑緊”。
2、帶式輸送機膠帶跑偏的處理方法
2.1調整承載托輥組或安裝調心托輥組
對dui承cheng載zai托tuo輥gun組zu安an裝zhuang不bu當dang引yin起qi的de膠jiao帶dai跑pao偏pian,可ke視shi具ju體ti情qing況kuang采cai用yong相xiang應ying措cuo施shi進jin行xing調tiao整zheng。如ru果guo膠jiao帶dai在zai整zheng個ge輸shu送song機ji的de中zhong部bu跑pao偏pian,可ke調tiao整zheng托tuo輥gun組zu的de位wei置zhi進jin行xing調tiao整zheng。具ju體ti方fang法fa是shi膠jiao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膠jiao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。此ci方fang法fa需xu要yao在zai製zhi造zao輸shu送song機ji時shi將jiang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。
如果帶式輸送機總長度較短容易跑偏且不易調整時可以安裝調心托輥組進行調整。
2.2調整驅動滾筒與改向滾筒位置
驅動滾筒與改向滾筒的調整是膠帶跑偏調整
環節中比較困難的一個環節。因為一條帶式輸送機至少有2到5geguntong,ruguobunengbaozhengsuoyouguntongdeanzhuangweizhidouchuizhiyudaishishusongjichangdufangxiangdezhongxinxian,zetiaozhengxiaoguohennanbaozheng。qitiaozhengfangfayutiaozhengtuogunzuleisi。duiyutoubuguntongrujiaodaixiangguntongdeyoucepaopian,zeyoucedezhouchengzuoyingdangxiangqianyidong,jiaodaixiangguntongdezuocepaopian,zezuocedezhouchengzuoyingdangxiangqianyidong,xiangduiyingdeyekejiangzuocezhouchengzuohouyihuoyoucezhouchengzuohouyi。weibuguntongdetiaozhengfangfayutoubuguntongganghaoxiangfan。jingguofanfutiaozhengzhidaojiaodaitiaodaojiaolixiangdeweizhi。
2.3對滾筒外表麵加工誤差、粘煤或磨損不均的處理
對滾筒外表麵加工誤差、粘煤或磨損不均的現象,解決的方法就是清理幹淨滾筒表麵粘煤;加工誤差和磨損不均的就要更換下來重新加工包膠處理。
2.4裝載不當問題的處理
對於轉載點處落料位置不正導致的膠帶跑偏,應在輸送機的上下漏鬥、daoliaocaodengjiandexingshiyuchicunshangrenzhenkaolv,daoliaocaodedekuanduzhizuoweijiaodaikuandudesanfenzhierzuoyoubijiaoheshi。weijianshaohuobimianjiaodaipaopiankezengjiadangliaobanzudangwuliao,shishangmeifangxiang、速度與輸送帶運行方向、速度一致,確保裝載點處於輸送帶中心:ruguokongjianzugou,yeketongguozengjiajiadaigeiliaojiyiquebaomeiliufangxiangyujiaodaiyunxingfangxiangyizhi,tongshiyekekongzhishunjianmeiliang,jianxiaoshunjianchongjiliyidadaoyufangjiaodaipaopiandexiaoguo。
2.5張緊力不足問題的處理
對(dui)於(yu)使(shi)用(yong)重(zhong)錘(chui)張(zhang)緊(jin)裝(zhuang)置(zhi)的(de)帶(dai)式(shi)運(yun)輸(shu)機(ji)可(ke)添(tian)加(jia)配(pei)重(zhong)力(li)。但(dan)是(shi),有(you)時(shi)張(zhang)緊(jin)行(xing)程(cheng)已(yi)不(bu)夠(gou),皮(pi)帶(dai)出(chu)現(xian)了(le)永(yong)久(jiu)性(xing)過(guo)大(da)張(zhang)力(li)而(er)降(jiang)低(di)皮(pi)帶(dai)的(de)使(shi)用(yong)壽(shou)命(ming)。對(dui)於(yu)使(shi)用(yong)螺(luo)旋(xuan)張(zhang)緊(jin)或(huo)液(ye)壓(ya)張(zhang)緊(jin)的(de)帶(dai)式(shi)運(yun)輸(shu)機(ji)可(ke)調(tiao)整(zheng)張(zhang)緊(jin)行(xing)程(cheng)來(lai)增(zeng)大(da)張(zhang)緊(jin)來(lai)解(jie)決(jue),但(dan)不(bu)應(ying)添(tian)加(jia)過(guo)多(duo),以(yi)免(mian)使(shi)皮(pi)帶(dai)承(cheng)受(shou)不(bu)必(bi)要(yao)的(de)變(bian)形(xing),這(zhe)時(shi)可(ke)將(jiang)皮(pi)帶(dai)截(jie)去(qu)一(yi)段(duan)重(zhong)新(xin)進(jin)行(xing)膠(jiao)接(jie)。
2.6膠帶本身的的問題
對於膠帶本身質量不合格在使用過程中產生變形或膠帶使用時間長,產生老化變形、邊(bian)緣(yuan)磨(mo)損(sun)以(yi)及(ji)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)引(yin)起(qi)的(de)跑(pao)偏(pian)現(xian)象(xiang),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)或(huo)對(dui)老(lao)化(hua)變(bian)形(xing)的(de)膠(jiao)帶(dai)給(gei)予(yu)更(geng)換(huan)處(chu)理(li)。
3、結論
總(zong)之(zhi),帶(dai)式(shi)運(yun)輸(shu)機(ji)作(zuo)為(wei)一(yi)種(zhong)通(tong)用(yong)機(ji)械(xie)設(she)備(bei),跑(pao)偏(pian)的(de)原(yuan)因(yin)是(shi)多(duo)種(zhong)多(duo)樣(yang)的(de),根(gen)據(ju)現(xian)場(chang)實(shi)踐(jian)和(he)經(jing)驗(yan),對(dui)帶(dai)式(shi)輸(shu)送(song)機(ji)最(zui)常(chang)見(jian)的(de)跑(pao)偏(pian)故(gu)障(zhang)原(yuan)因(yin)利(li)用(yong)力(li)學(xue)原(yuan)理(li)加(jia)以(yi)分(fen)析(xi)、總結了相應的處理方法。更多、更複雜的跑偏原因及處理需要使用者在使用、維護、保(bao)養(yang)方(fang)麵(mian)通(tong)過(guo)日(ri)常(chang)工(gong)作(zuo)逐(zhu)漸(jian)地(di)積(ji)累(lei),特(te)別(bie)是(shi)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),應(ying)先(xian)對(dui)原(yuan)因(yin)進(jin)行(xing)仔(zai)細(xi)分(fen)析(xi)後(hou)對(dui)症(zheng)下(xia)藥(yao),尤(you)其(qi)是(shi)在(zai)微(wei)調(tiao)時(shi)要(yao)細(xi)心(xin)觀(guan)察(cha),調(tiao)整(zheng)結(jie)束(shu)後(hou)要(yao)及(ji)時(shi)總(zong)結(jie)。
另外,為了保證從源頭上減少和解決皮帶跑偏問題,在帶式輸送機選購、設計、製造、安裝及使用時要根據不同的使用環境和使用功能提前增加相應的配置和措施,確保帶式輸送機配置齊全、安裝合格,盡量減少跑偏隱患。
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