膠帶跑偏的主要成因承載托輥組兩端受力不均
youyuchengzaituogunzuanzhuangweizhiyushusongjizhongxindechuizhiduwuchajiaoda,shichengzaituogunzuliangduanshoulibujun,daozhijiaodaizaichengzaiduanxiangyicepaopian。jiaodaixiangqianyundongshi,geituogunyigexiangqiandeqianyinli。gaiqianyinlikefenjieweishituogunzhuandongdefenliheyigehengxiangfenli,qihengxiangfenlishituogunzhouxiangcuandong。danyouyutuogunzhijiadeguding,tuogunwufazhouxiangcuandong,suoyibiranhuiduijiaodaichanshengyigefanzuoyonglidaozhiqixianglingyiceyidong,congerzaochengjiaodaipaopianxianxiang。
滾筒原因
由於滾筒外表麵加工誤差、粘煤或磨損不均造成滾筒兩端直徑不一樣,膠帶的牽引力產生一個向直徑較大一側移動的分力,會使膠帶向該側跑偏;lingwai,youyuanzhuangwucha,jitoubuguntonghuojiweiguntongzhouxianyudaishishusongjidezhongxinxianbuchuizhizaochengjiaodaizaitoubuguntonghuojiweiguntongchupaopiandewentiyeshiyoufasheng。
膠帶本身問題
膠帶邊緣磨損嚴重、膠帶老化變形或膠帶接縫不平行,均會使膠帶的兩側拉力不一致,從而導致膠帶跑偏。膠帶張緊力不足
shusongjidezhangjinzhuangzhishijiaodaizhangjinlibugou,dangjiaodaizaiheshaodashijiuhuichuxianpaopianxianxiang。zhangjinzhuangzhishibaozhengjiaodaishizhongbaochizugouzhangjinlideyouxiaozhuangzhi,zhangjinlibugou,jiaodaidewendingxingjiuhencha,shouwailiganraodeyingxiangjiuyueda,yanzhongshihaihuichanshengdahuaxianxiang。zhuanzaidianchuluoliaodianbuzhenghexialiaochongji
zhuanzaidianchuluoliaoweizhibuzhengduizaochengjiaodaipaopian。zhuanzaidianchuwuliaodeluoliaoweizhiduijiaodaidepaopianyoufeichangdadezhangxiang,youqizaishangtiaoshusongjiyubentiaoshusongjizaishuipingmiandetouyingweichuizhishiyingxianggengda。tongchangyingdangkaolvzhuanzaidianchushangxialiangtiaojiaodaijidexiangduigaodu。xiangduigaoduyuedi,wuliaodeshuipingsudufenliangyueda,duixiacengjiaodaidecexiangchongjiliyeyueda,tongshiwuliaoyehennanjuzhong。shizaijiaodaihengduanmianshangdewuliaopianxie,wuliaobujunyunhuoluoliaodianbuduizhong,zaochengjiaodaiduiguntong、托輥兩側的壓力不同,引起膠帶兩側摩擦力不平衡則會產生跑偏。同時衝擊力的水平分力也會導致膠帶跑偏。
地質條件和機架剛性差
keshensuodaishishusongjizhengchangyunzhuanshijinjitoubuanzhuangzaigudingjichushang,qitabujianjunyudibanbuguding,dangdibanweizhijiedishiyushuirongyipengzhang,yinqidiguxianxiang,pohuaijijia。jijiashouzhonglihuojichuxiachenzaochengjiaodaizhengtihuobufenchenjiangchengdubutong,huiyinqijiaodaipaopian。lingwairuguojijiagangduchahuoyouyujubuxiushichanshengbianxing,jijiazhongxinxianwaixiehejijialiangbiangaodibutongzaochengdejijiawaixiedouhuizaochengyanzhongpaopian,qiehennantiaozheng。
跑偏解決方案
造成輸送機膠帶跑偏的因素很多,但跑偏的根本原因是:jiaodaisuoshoudewailizaijiaodaikuandufangxiangshangdehelibuweiling,huochuizhiyujiaodaikuandufangxiangshangdelayinglibujunyun,congerdaozhituogunhuoguntongdengduijiaodaidefanlichanshengxiangyicedefenli,zaicifenlidezuoyongxiayinqijiaodaixiangyicepianyi。yinci,zaitiaozhengjiaodaipaopianshiyinggaiweiraoruheshijiaodaishoulipinghengzhankai。
(1)承載托輥組兩端受力不均調整方法。方法1:在製造時托輥組的兩側安裝孔都加工成長孔,以便進行調整。根據膠帶’“跑後不跑前”,jiaodaipianxiangnayice,tuogunzudenayicechaojiaodaiqianjinfangxiangqianyi,huolingwaiyicehouyi,paopianchutiaozhengtuogundeshuliangyaoduo,meigetuogundetiaozhengliangyaoxiao,jinliangzaiyibiantiaozhengzheyangxiaoguobijiaohao。
方法2:安(an)裝(zhuang)調(tiao)心(xin)托(tuo)輥(gun)組(zu),利(li)用(yong)調(tiao)心(xin)托(tuo)輥(gun)組(zu)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)膠(jiao)帶(dai)自(zi)動(dong)向(xiang)心(xin)達(da)到(dao)調(tiao)整(zheng)膠(jiao)帶(dai)跑(pao)偏(pian)的(de)目(mu)的(de)。調(tiao)心(xin)托(tuo)輥(gun)組(zu)用(yong)於(yu)調(tiao)整(zheng)輸(shu)送(song)帶(dai)跑(pao)偏(pian),保(bao)證(zheng)輸(shu)送(song)帶(dai)穩(wen)定(ding)運(yun)行(xing),重(zhong)載(zai)段(duan)一(yi)般(ban)每(mei)10組安裝一組調心托輥,空回段每隔6~10組托輥安裝一組調心托輥,從回程膠帶起始點開始連續設置清掃托輥。
(2)解jie決jue滾gun筒tong原yuan因yin造zao成cheng跑pao偏pian的de辦ban法fa。首shou先xian應ying把ba滾gun筒tong表biao麵mian粘zhan煤mei清qing理li幹gan淨jing,調tiao整zheng好hao空kong段duan彈dan簧huang清qing掃sao器qi,清qing掃sao器qi與yu輸shu送song帶dai在zai滾gun筒tong軸zhou線xian方fang向xiang上shang的de接jie觸chu長chang度du應ying大da於yu帶dai寬kuan的de85%.以保證將物料隨時清除,對於因加工誤差和磨損不均,要更換下來重新進行包膠處理。其次根據膠帶“跑緊不跑鬆”的規律,膠帶在各滾筒上跑偏時,膠帶往哪邊跑,就利用滾筒軸承座上的調整螺栓調緊該邊,或調鬆另一邊。
(3)對磨損嚴重和老化變形的膠帶應給予更換,對中心不正的膠帶接頭重新製作。
(4)duiyushiyongzhongchuizhangjinzhuangzhidedaishiyunshujiketianjiapeizhonglaijiejue,danbuyingtianjiaguoduo,yimianshijiaodaichengshoububiyaodeguodazhanglierjiangdijiaodaideshiyongshouming。duiyushiyongluoxuanzhangjinhuoyeyazhangjindedaishiyunshujiketiaozhengzhangjinxingchenglaizengdazhangjinli。danshi,youshizhangjinxingchengyibugou,jiaodaichuxianleyongjiuxingbianxing,zheshikejiangjiaodaijiequyiduanzhongxinjinxingjiaojie。
(5)解(jie)決(jue)下(xia)料(liao)不(bu)正(zheng)和(he)衝(chong)擊(ji)的(de)方(fang)案(an),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)、導料槽等件的形式與尺寸更應認真考慮。一般導料槽的寬度應為膠帶寬度的3/5左(zuo)右(you)比(bi)較(jiao)合(he)適(shi)。為(wei)減(jian)少(shao)或(huo)避(bi)免(mian)膠(jiao)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)。在(zai)物(wu)料(liao)落(luo)差(cha)大(da)時(shi),采(cai)用(yong)合(he)理(li)結(jie)構(gou)的(de)導(dao)料(liao)板(ban),避(bi)免(mian)大(da)物(wu)塊(kuai)或(huo)較(jiao)大(da)高(gao)度(du)直(zhi)接(jie)下(xia)料(liao),也(ye)可(ke)在(zai)下(xia)科(ke)口(kou)下(xia)安(an)裝(zhuang)幾(ji)組(zu)緩(huan)衝(chong)托(tuo)輥(gun),減(jian)少(shao)對(dui)膠(jiao)帶(dai)的(de)衝(chong)擊(ji)力(li)。
(6)懈決由地質條件高低不平或機架變形引起的跑偏.隻有在輸送帶豎直方向上進行調整,一是根據膠帶“跑高不跑低”,調高H架或增設抬高腿。二是盡量使運輸線路平直,使輸送帶保持相對平穩。三是在選擇機架時,選用剛性好的機架。
膠帶跑偏危害極大,輕者造成沿線撒料,降低了輸送機的運輸量;重者損壞膠帶甚至使輸送機無法工作。帶式輸送機在實際使用中造成膠帶跑偏的原因很多,工作中應從安裝、調試、運行及維護等多方麵人手,正確判斷跑偏原因並及時采取適宜的排除措施,以保證帶式輸送機安全、高效、穩定地運轉。
(轉載請注明:富通新能源輸送機http://www.tre455.cn/shusong/)



