帶式輸送機是由撓性輸送帶作為物料承載件和牽引件的連續輸送設備,可以在水平方向和傾斜不大的方向輸送散粒、塊kuai狀zhuang物wu和he成cheng件jian物wu品pin,其qi特te點dian是shi輸shu送song能neng力li大da,功gong耗hao小xiao,結jie構gou簡jian單dan,維wei修xiu方fang便bian,費fei用yong低di,對dui物wu料liao適shi應ying性xing強qiang,用yong途tu廣guang泛fan,是shi一yi種zhong理li想xiang的de運yun輸shu機ji械xie。帶dai式shi輸shu送song機ji在zai使shi用yong過guo程cheng中zhong,時shi有you故gu障zhang出chu現xian,下xia麵mian就jiu常chang見jian故gu障zhang產chan生sheng的de原yuan因yin及ji其qi處chu理li方fang法fa作zuo一yi介jie紹shao。

1、輸送帶蛇形及跑偏
1.1現象
帶(dai)式(shi)輸(shu)送(song)機(ji)運(yun)行(xing)時(shi)輸(shu)送(song)帶(dai)跑(pao)偏(pian)是(shi)最(zui)常(chang)見(jian)的(de)故(gu)障(zhang)。輸(shu)送(song)帶(dai)在(zai)運(yun)行(xing)中(zhong)由(you)於(yu)受(shou)各(ge)種(zhong)因(yin)素(su)的(de)影(ying)響(xiang),會(hui)出(chu)現(xian)整(zheng)體(ti)或(huo)部(bu)分(fen)向(xiang)一(yi)邊(bian)偏(pian)移(yi)。輸(shu)送(song)帶(dai)在(zai)頭(tou)部(bu)滾(gun)筒(tong)上(shang)向(xiang)一(yi)邊(bian)偏(pian)移(yi),稱(cheng)為(wei)頭(tou)部(bu)偏(pian)移(yi):輸送帶在尾部滾筒上向一邊偏移,稱為尾部偏移:輸送帶中間部分一處或多處發生偏移,稱為蛇形偏移。
1.2原因
輸shu送song帶dai運yun行xing依yi靠kao的de是shi輸shu送song帶dai與yu滾gun筒tong及ji托tuo輥gun之zhi間jian的de摩mo擦ca力li。理li論lun上shang滾gun筒tong及ji托tuo輥gun的de回hui轉zhuan中zhong心xin須xu與yu輸shu送song帶dai的de縱zong向xiang中zhong心xin成cheng直zhi角jiao接jie觸chu,而er且qie托tuo輥gun及ji滾gun筒tong必bi須xu具ju有you以yi輸shu送song帶dai中zhong心xin線xian為wei對dui稱cheng的de直zhi徑jing。由you於yu實shi際ji運yun行xing中zhong出chu現xian的de誤wu差cha,機ji架jia及ji輸shu送song帶dai的de撓nao曲qu,運yun行xing時shi輸shu送song帶dai與yu滾gun筒tong及ji托tuo輥gun的de接jie觸chu條tiao件jian就jiu發fa生sheng了le變bian化hua,導dao致zhi輸shu送song帶dai蛇she形xing或huo跑pao偏pian。
1.3處理方法
1 .3.1調tiao整zheng承cheng載zai托tuo輥gun組zu皮pi帶dai在zai帶dai式shi輸shu送song機ji的de中zhong部bu跑pao偏pian時shi,應ying調tiao整zheng承cheng載zai托tuo輥gun組zu的de位wei置zhi。托tuo輥gun組zu兩liang側ce的de安an裝zhuang孔kong都dou是shi長chang孔kong,以yi便bian進jin行xing調tiao整zheng。具ju體ti調tiao整zheng方fang法fa是shi:皮帶偏向哪一側,則將該側的托輥組朝皮帶前進方向移動,或將另外一側托輥組後移。
1.3.2安裝調心托輥組調心托輥組調整跑偏的原理是采用阻擋——huotuogunzaishuipingfangxiangzhuandongzudang,huochanshenghengxiangtuilishipidaizidongxiangxin,dadaotiaozhengpidaipaopiandemude。cizhongfangfayibanzaidaishishusongjizongchangdujiaoduanhuodaishiyunshujishuangxiangyunxingshicaiyong,yuanyinshijiaoduanpidaidedaishishusongjigengrongyipaopian,bingqieburongyitiaozheng。erjiaochangpidaidedaishishusongjipaopianshizuihaobucaiyongcifangfa,yinweitiaoxintuogunzudeshiyonghuiyingxiangpidaideshiyongshouming。
1.3.3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皮帶跑偏調整的重要方法之一。一條帶式輸送機至少有2-5個滾筒,所有滾筒的安裝必須垂直於帶式輸送機長度方向的中心線,若偏斜較大.zehuifashengpaopian。qitiaozhengfangfayutiaozhengtuogunzuleisi。ruguotoubuguntongdepidaixiangyoucepaopian,zeyoucedezhouchengzuoyingxiangqianyidong,huojiangzuocezhouchengzuoxianghouyidong;皮帶向左側跑偏,則左側的軸承座應向前移動,也可將右側軸承座後移。尾部滾筒的調整方法與頭部滾筒的調整方法相反。
1.3.4張(zhang)緊(jin)處(chu)的(de)調(tiao)整(zheng)皮(pi)帶(dai)張(zhang)緊(jin)處(chu)的(de)調(tiao)整(zheng)是(shi)帶(dai)式(shi)輸(shu)送(song)機(ji)跑(pao)偏(pian)調(tiao)整(zheng)的(de)又(you)一(yi)個(ge)重(zhong)要(yao)方(fang)法(fa)。重(zhong)錘(chui)張(zhang)緊(jin)處(chu)上(shang)部(bu)的(de)兩(liang)個(ge)改(gai)向(xiang)滾(gun)筒(tong)除(chu)應(ying)垂(chui)直(zhi)於(yu)皮(pi)帶(dai)長(chang)度(du)方(fang)向(xiang)中(zhong)心(xin)線(xian)外(wai),還(hai)應(ying)垂(chui)直(zhi)於(yu)重(zhong)力(li)垂(chui)線(xian),即(ji)保(bao)證(zheng)其(qi)軸(zhou)中(zhong)心(xin)線(xian)水(shui)平(ping)。使(shi)用(yong)螺(luo)旋(xuan)張(zhang)緊(jin)或(huo)液(ye)壓(ya)油(you)缸(gang)張(zhang)緊(jin)時(shi),張(zhang)緊(jin)滾(gun)筒(tong)的(de)兩(liang)個(ge)軸(zhou)承(cheng)座(zuo)應(ying)當(dang)同(tong)時(shi)平(ping)移(yi),以(yi)保(bao)證(zheng)滾(gun)筒(tong)軸(zhou)線(xian)與(yu)皮(pi)帶(dai)縱(zong)向(xiang)方(fang)向(xiang)垂(chui)直(zhi)。其(qi)調(tiao)整(zheng)方(fang)法(fa)與(yu)滾(gun)筒(tong)處(chu)的(de)調(tiao)整(zheng)類(lei)似(si)。
1.3.5zhuanzaidianchuluoliaoweizhiduipidaipaopiandeyingxiangjitiaozhengzhuanzaidianchuwuliaodeluoliaoweizhiduipidaidepaopianyoujiaodadeyingxiang,youqishiliangtiaopidaijizaishuipingmiandetouyingchengchuizhishiyingxianggengda。zhuanzaidianchushangxialiangtiaopidaijidexiangduigaoduyuedi,wuliaodeshuipingsudufenliangyueda,duixiacengpidaidecexiangchongjiyeyueda,tongshiwuliaoyehennanzaipidaihengduanmianshangjuzhong,daozhipidaipaopian。ruguowuliaopiandaoyouce,zepidaixiangzuocepaopian;wuliaopiandaozuoce,zepidaixiangyoucepaopian。cileipaopiandetiaozheng,yingzaishejishijinkenengdijiadaliangtiaopidaijidexiangduigaodu。zaishoukongjianxianzhideyidongsanliaoyunshujixiedeshangxialoudou、導料槽等件的形狀與尺寸要合適,導料槽的的寬度應為皮帶寬度的2/3左右。為減少或避免皮帶跑偏,可增加擋料板改變物料的下落方向和位置。
1.3.6雙shuang向xiang運yun行xing帶dai式shi輸shu送song機ji跑pao偏pian的de調tiao整zheng雙shuang向xiang運yun行xing的de帶dai式shi輸shu送song機ji皮pi帶dai跑pao偏pian的de調tiao整zheng比bi單dan向xiang帶dai式shi輸shu送song機ji跑pao偏pian的de調tiao整zheng要yao困kun難nan許xu多duo,應ying先xian調tiao整zheng一yi個ge方fang向xiang,然ran後hou調tiao整zheng另ling一yi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落luo料liao點dian的de調tiao整zheng。
2、帶式輸送機的撒料
2.1轉載點處撒料
轉載點處撒料主要在落料鬥、daoliaocaodengchu,rudaishishusongjiyanzhongguozai,qidaoliaocaodangliaoxiangjiaoqunbansunhuai,huodaoliaocaochugangbanjupidaijiaoyuan,huoxiangjiaoqunbanbijiaochangshiwuliaochongchudaoliaocao。shangshuwentikeyizaikongzhiyunsongnengli、加強輸送機維護保養上得到解決。
2.2凹段皮帶懸空時撒料
凹(ao)段(duan)皮(pi)帶(dai)區(qu)間(jian)的(de)凹(ao)段(duan)曲(qu)率(lv)半(ban)徑(jing)較(jiao)小(xiao)時(shi),會(hui)使(shi)皮(pi)帶(dai)懸(xuan)空(kong),此(ci)時(shi)皮(pi)帶(dai)離(li)開(kai)槽(cao)形(xing)托(tuo)輥(gun)組(zu),皮(pi)帶(dai)成(cheng)槽(cao)情(qing)況(kuang)發(fa)生(sheng)變(bian)化(hua),槽(cao)角(jiao)變(bian)小(xiao),使(shi)部(bu)分(fen)物(wu)料(liao)撒(sa)出(chu)來(lai)。此(ci)問(wen)題(ti)可(ke)以(yi)采(cai)用(yong)較(jiao)大(da)的(de)凹(ao)段(duan)曲(qu)率(lv)半(ban)徑(jing)來(lai)避(bi)免(mian)。
2.3皮帶跑偏時撒料
皮帶跑偏時兩邊緣高度發生了變化,一邊高,另一邊低,物料從低的一邊撒出,處理的方法是調整皮帶跑偏。
3、帶式輸送機的異常噪音
3.1托輥嚴重偏心時的噪音
帶dai式shi輸shu送song機ji運yun行xing時shi托tuo輥gun常chang會hui發fa生sheng異yi常chang噪zao音yin,並bing伴ban有you周zhou期qi性xing的de振zhen動dong,尤you其qi是shi回hui程cheng托tuo輥gun,因yin其qi長chang度du較jiao長chang,自zi重zhong大da,噪zao音yin也ye比bi較jiao大da。發fa生sheng噪zao音yin的de原yuan因yin主zhu要yao有you兩liang個ge。一yi是shi托tuo輥gun的de無wu縫feng鋼gang管guan壁bi厚hou不bu均jun勻yun,產chan生sheng的de離li心xin力li較jiao大da:二是兩端軸承孔中心與外圓圓心偏差較大,使離心力偏大。在軸承未損壞並允許噪音存在的情況下可以繼續使用,否則應更換。
3.2聯軸器兩軸不同心時的噪音
zaiqudongzhuangzhidegaosuduandianjiyujiansujizhijiandelianzhouqi,huodaizhidonglundelianzhouqi,youyulianzhouqiliangzhoubutongxin,huifachuyichangzaoyin,zhezhongzaoyinbanyouyudianjizhuandongpinlvxiangtongdezhendong。fashengzhezhongzaoyinshiyingjishiduidianjijiansujideweizhijinxingtiaozheng。
3.3改向滾筒與驅動滾筒的異常噪音
改向滾筒與驅動滾筒正常工作時噪音很小,發生異常噪音時一般是軸承損壞,此時應更換軸承。
4、凸凹段皮帶可能引起的故障
4.1凸段皮帶橫截麵中部起拱
帶dai式shi輸shu送song機ji的de凸tu段duan皮pi帶dai斷duan麵mian方fang向xiang中zhong部bu經jing常chang發fa生sheng起qi拱gong,即ji中zhong部bu凸tu起qi,使shi得de皮pi帶dai打da折zhe,疊die起qi的de皮pi帶dai在zai進jin入ru改gai向xiang滾gun筒tong或huo驅qu動dong滾gun筒tong區qu間jian時shi,損sun壞huai程cheng度du加jia劇ju。起qi拱gong與yu打da折zhe的de主zhu要yao原yuan因yin是shi在zai皮pi帶dai橫heng斷duan麵mian上shang中zhong部bu與yu外wai側ce單dan位wei長chang度du上shang的de拉la力li值zhi相xiang差cha過guo大da,使shi皮pi帶dai滑hua到dao中zhong部bu形xing成cheng起qi拱gong或huo打da折zhe。單dan位wei長chang度du上shang的de拉la力li值zhi差cha的de大da小xiao和he凸tu段duan曲qu率lv半ban徑jing、托輥槽角有關,槽角越大,凸段曲率半徑越小,起拱與打折越嚴重,當槽角≥400時shi,即ji使shi在zai帶dai式shi輸shu送song機ji直zhi段duan的de頭tou部bu或huo尾wei部bu托tuo輥gun槽cao角jiao過guo渡du區qu間jian也ye能neng發fa生sheng起qi拱gong和he打da折zhe。此ci時shi,應ying盡jin可ke能neng地di增zeng大da凸tu段duan曲qu率lv半ban徑jing和he在zai滿man足zu輸shu送song能neng力li的de條tiao件jian下xia減jian小xiao托tuo輥gun槽cao角jiao。
4.2凹段啟動時彈起或被風吹偏
daishishusongjiqidongshiruguopidaishangmeiyouwuliao,zaiaoduanqujianchupidaijiuhuidanqi,yudaodafengtianqishihaihuijiangpidaichuipian。kezaidaishishusongjideaoduanchuzengsheyadailunlaibimianciliangzhongxianxiangchuxian。
5、皮帶打滑
5.1重錘張緊帶式輸送機皮帶打滑
使(shi)用(yong)重(zhong)錘(chui)張(zhang)緊(jin)裝(zhuang)置(zhi)的(de)帶(dai)式(shi)輸(shu)送(song)機(ji)在(zai)皮(pi)帶(dai)打(da)滑(hua)時(shi)可(ke)添(tian)加(jia)配(pei)重(zhong)來(lai)解(jie)決(jue),添(tian)加(jia)到(dao)皮(pi)帶(dai)不(bu)打(da)滑(hua)為(wei)止(zhi)。不(bu)宜(yi)添(tian)加(jia)過(guo)多(duo),以(yi)免(mian)皮(pi)帶(dai)承(cheng)受(shou)不(bu)必(bi)要(yao)的(de)過(guo)大(da)張(zhang)力(li)而(er)降(jiang)低(di)使(shi)用(yong)壽(shou)命(ming)。
5.2螺旋張緊或液壓張緊帶式輸送機皮帶打滑
shiyongluoxuanzhangjinhuoyeyazhangjindedaishishusongjidepidaichuxiandahuashi,ketiaozhengzhangjinxingchenglaizengdazhangjinli。ruozhangjinxingchengyibugou,pidaichuxianleyongjiuxingbianxing,kejiangpidaijiequyiduanzhongxinjinxingliuhua。
(轉載請注明:富通新能源帶式輸送機
http://www.tre455.cn/shusong/131.html)