一、皮帶輸送機的狀況
目前皮帶機各生產廠生產的大多為TD75型或DTII型皮帶輸送機,由於生產廠在製作和安裝過程中沒有嚴格按標準要求進行,給後續的電子皮帶秤的安裝造成很大影響,主要表現為
1、皮(pi)帶(dai)機(ji)空(kong)運(yun)轉(zhuan)時(shi),槽(cao)形(xing)托(tuo)輥(gun)的(de)中(zhong)間(jian)平(ping)托(tuo)輥(gun)大(da)多(duo)不(bu)旋(xuan)轉(zhuan)或(huo)丟(diu)轉(zhuan),這(zhe)主(zhu)要(yao)是(shi)因(yin)為(wei)皮(pi)帶(dai)機(ji)主(zhu)動(dong)滾(gun)筒(tong)和(he)改(gai)向(xiang)滾(gun)筒(tong)高(gao)度(du)稍(shao)高(gao)於(yu)槽(cao)形(xing)托(tuo)輥(gun)名(ming)義(yi)高(gao)度(du),再(zai)有(you)就(jiu)是(shi)皮(pi)帶(dai)漲(zhang)緊(jin)量(liang)過(guo)大(da)皮(pi)帶(dai)過(guo)緊(jin)所(suo)致(zhi)。當(dang)皮(pi)帶(dai)上(shang)有(you)物(wu)料(liao)時(shi),靠(kao)物(wu)料(liao)重(zhong)力(li)作(zuo)用(yong),皮(pi)帶(dai)貼(tie)緊(jin)中(zhong)間(jian)平(ping)托(tuo)輥(gun)而(er)旋(xuan)轉(zhuan)。這(zhe)樣(yang)的(de)皮(pi)帶(dai)機(ji)在(zai)單(dan)做(zuo)運(yun)輸(shu)使(shi)用(yong)時(shi)影(ying)響(xiang)不(bu)大(da),但(dan)安(an)裝(zhuang)皮(pi)帶(dai)秤(cheng)時(shi)必(bi)須(xu)對(dui)皮(pi)帶(dai)機(ji)進(jin)行(xing)改(gai)造(zao),簡(jian)單(dan)做(zuo)法(fa)是(shi)將(jiang)托(tuo)輥(gun)支(zhi)架(jia)整(zheng)體(ti)墊(dian)高(gao),若(ruo)皮(pi)帶(dai)因(yin)過(guo)窄(zhai)或(huo)過(guo)緊(jin)這(zhe)種(zhong)方(fang)法(fa)不(bu)起(qi)作(zuo)用(yong)時(shi),必(bi)須(xu)將(jiang)槽(cao)形(xing)托(tuo)輥(gun)的(de)中(zhong)間(jian)平(ping)托(tuo)輥(gun)單(dan)獨(du)墊(dian)高(gao),保(bao)證(zheng)在(zai)皮(pi)帶(dai)機(ji)空(kong)運(yun)轉(zhuan)時(shi)每(mei)個(ge)托(tuo)輥(gun)都(dou)能(neng)正(zheng)常(chang)旋(xuan)轉(zhuan)。否(fou)則(ze)的(de)話(hua),在(zai)皮(pi)帶(dai)秤(cheng)計(ji)量(liang)過(guo)程(cheng)中(zhong)由(you)於(yu)皮(pi)帶(dai)水(shui)平(ping)張(zhang)力(li)抵(di)消(xiao)了(le)部(bu)分(fen)物(wu)料(liao)向(xiang)下(xia)的(de)重(zhong)力(li),使(shi)皮(pi)帶(dai)秤(cheng)傳(chuan)感(gan)器(qi)不(bu)能(neng)準(zhun)確(que)稱(cheng)量(liang)出(chu)皮(pi)帶(dai)上(shang)物(wu)料(liao)重(zhong)量(liang),對(dui)計(ji)量(liang)精(jing)度(du)影(ying)響(xiang)是(shi)非(fei)常(chang)大(da)的(de),無(wu)法(fa)保(bao)證(zheng)計(ji)量(liang)精(jing)度(du)。將(jiang)中(zhong)托(tuo)輥(gun)墊(dian)高(gao)的(de)具(ju)體(ti)做(zuo)法(fa)是(shi)在(zai)中(zhong)間(jian)平(ping)托(tuo)輥(gun)的(de)軸(zhou)兩(liang)端(duan)分(fen)別(bie)焊(han)上(shang)一(yi)定(ding)高(gao)度(du)的(de)墊(dian)塊(kuai),墊(dian)塊(kuai)具(ju)體(ti)高(gao)度(du)以(yi)中(zhong)間(jian)輥(gun)能(neng)托(tuo)住(zhu)皮(pi)帶(dai)為(wei)準(zhun),改(gai)造(zao)數(shu)量(liang)為(wei)在(zai)皮(pi)帶(dai)秤(cheng)兩(liang)端(duan)各(ge)不(bu)少(shao)於(yu)6組托輥。
2、皮pi帶dai機ji托tuo輥gun架jia製zhi造zao精jing度du低di。由you於yu皮pi帶dai機ji槽cao形xing托tuo輥gun組zu生sheng產chan質zhi量liang參can差cha不bu齊qi,很hen有you必bi要yao對dui現xian場chang托tuo輥gun尺chi寸cun做zuo一yi下xia檢jian查zha。在zai現xian場chang安an裝zhuang過guo程cheng中zhong我wo們men發fa現xian有you的de現xian場chang托tuo輥gun支zhi架jia的de兩liang個ge中zhong支zhi柱zhu高gao度du不bu一yi致zhi,致zhi使shi中zhong間jian輥gun不bu水shui平ping,一yi是shi皮pi帶dai易yi跑pao偏pian,二er是shi影ying響xiang皮pi帶dai秤cheng計ji量liang精jing度du。解jie決jue方fang法fa是shi到dao現xian場chang安an裝zhuang時shi必bi須xu對dui皮pi帶dai輸shu送song機ji槽cao形xing托tuo輥gun兩liang邊bian輥gun拉la細xi線xian繩sheng或huo細xi鋼gang絲si,確que定ding兩liang邊bian輥gun正zheng常chang後hou再zai觀guan察cha中zhong平ping輥gun對dui皮pi帶dai的de支zhi撐cheng情qing況kuang及ji空kong轉zhuan時shi的de旋xuan轉zhuan情qing況kuang,若ruo發fa現xian有you問wen題ti則ze要yao拆chai下xia托tuo輥gun架jia進jin行xing測ce量liang,不bu正zheng確que的de話hua就jiu要yao進jin行xing更geng換huan或huo改gai造zao。
3、皮(pi)帶(dai)機(ji)中(zhong)間(jian)架(jia)左(zuo)右(you)高(gao)度(du)不(bu)一(yi)致(zhi)。主(zhu)要(yao)是(shi)皮(pi)帶(dai)機(ji)安(an)裝(zhuang)時(shi)質(zhi)量(liang)不(bu)合(he)格(ge),或(huo)因(yin)長(chang)期(qi)使(shi)用(yong)導(dao)致(zhi)左(zuo)右(you)高(gao)度(du)發(fa)生(sheng)變(bian)化(hua),在(zai)安(an)裝(zhuang)時(shi)如(ru)發(fa)現(xian)秤(cheng)體(ti)水(shui)平(ping)高(gao)度(du)相(xiang)差(cha)太(tai)大(da),根(gen)本(ben)無(wu)法(fa)保(bao)證(zheng)皮(pi)帶(dai)秤(cheng)秤(cheng)架(jia)正(zheng)常(chang)安(an)裝(zhuang)到(dao)位(wei),就(jiu)要(yao)對(dui)皮(pi)帶(dai)機(ji)部(bu)分(fen)進(jin)行(xing)調(tiao)整(zheng)。根(gen)據(ju)左(zuo)右(you)相(xiang)差(cha)高(gao)度(du)將(jiang)皮(pi)帶(dai)秤(cheng)前(qian)後(hou)不(bu)少(shao)於(yu)6組以上的托輥組調水平,在安裝時再保證秤體水平,這樣就基本可以保證計量精度。
二、皮帶秤安裝位置確定及注意事項
yibanqingkuangxia,yonghudinggoupidaichengshixiandoujinxingzixun,xiangpidaichengshengchanchangtigongrushusongjipidaikuanduhechangdu,zuidashusongliang,jiliangjingduyaoqiudengshuju,youpidaichengchangjiaxiezhuxuanxing,xinghaochubuquedinghou,zaiyouyonghutigongpidaijigexiangchicuncanshuhuochangjiapairendaoxianchangjinxingshijiceliang。ruoyonghuzhitigongpidaijixinghaoshi,pidaichengshengchanchangyaozhuyiyidingyaoqingyonghushijiceliangxianchangpidaijituogunjizhongjianjiadechicun,yimianpidaichengchengtichicunyuxianchangshijichicunbufuzaochenganzhuangkunnan,yanzhongdeyoukenengyingxiangjiliangjingdu。ruoyonghupidaijitujianheanzhuanghaimeiyoujinxing,zhishianshejituzhixianxingcaigou,nameyoubiyaoheyonghuxunwendinggoudeshinagechangjiashengchandepidaiji,ranhouhepidaijichangjiajinyibuquedingpidaijixinghaohechicun,kenengdehuakeyidengpidaijianzhuangwanchengzaijinxingxianchangceliang,huoqingyonghuyaoqiupidaijishengchanchangyangeanbiaozhunjinxingzhizuoheanzhuang,bimianpidaichengchengtigexiangchicunyuxianchangpidaijishijichicunyanzhongbufueryingxiangjiliangjingdu。
安an裝zhuang人ren員yuan到dao安an裝zhuang現xian場chang後hou首shou先xian就jiu要yao確que定ding皮pi帶dai秤cheng尺chi寸cun與yu現xian場chang尺chi寸cun是shi否fou相xiang符fu,準zhun確que無wu誤wu後hou即ji可ke進jin行xing安an裝zhuang。除chu嚴yan格ge按an照zhao皮pi帶dai秤cheng安an裝zhuang要yao求qiu操cao作zuo外wai,特te別bie要yao注zhu意yi以yi下xia幾ji點dian:
1、xuanzeanzhuangweizhi。xuanzepidaichengzhengquedeanzhuangweizhifeichangguanjian,youxieyonghukenengzhidinganzhuangweizhi,xianchanganzhuangrenyuanyidingyaogenjupidaijishijiqingkuangjinxingxuanze,faxianduifangzhidingweizhiyoubuhelidedifangyaoxiangduifangshuoming,bunengyiweiqianjiuduifang。pidaijizhudongguntongzaitoubushi,chengtiyingxuanzaizhongjianpianxiakaojinweibuxialiaodiandeweizhi。pidaichenganzhuangweizhichudezhichengyaoyouzugoudeqiangdu,qiangdubuzushiyaojinxingshidangjiagu。
2、帶凸弧曲線段的皮帶機,皮帶秤要距凸弧曲線切點最少6m以上。帶凹弧曲線段的皮帶機,皮帶秤要距凹弧曲線切點最少12m以上。
3、調心輥、導向輥或立擋輥都要距離皮帶秤前後至少183米,實在不能滿足最少也要在6米以外。
4、皮帶秤前後各4組過渡托輥要稍高出其它皮帶機托輥1—2mm,秤體上的稱量托輥要高出過渡托輥l-2mm。保證皮帶機空運轉時每個托輥都能正常旋轉。
5、兩隻以上的稱重傳感器要注意調整傳感器的輸出平衡。
6、測速滾筒的安裝根據皮帶機輸送物料的特點可選擇安裝在回程皮帶的上表麵或下表麵。
7、皮帶秤的安裝位置要考慮校秤時的方便程度,因為皮帶秤的校驗是經常性的。
三、皮帶秤的維護
pidaichengdechangqiwendingxingchuyuchengdebenshenzhiliangyouguanwai,duipidaichengrichangweihushibibukeshaode,shenzhikeyishuosanfenzhiliang,qifenweihu。pidaichengshijidianyitihuachanpin,shejidaojixie、電氣、儀表、工(gong)控(kong)機(ji)等(deng)各(ge)方(fang)麵(mian)的(de)知(zhi)識(shi),和(he)一(yi)般(ban)靜(jing)態(tai)秤(cheng)相(xiang)比(bi),皮(pi)帶(dai)秤(cheng)的(de)維(wei)護(hu)量(liang)是(shi)比(bi)較(jiao)大(da)的(de),所(suo)以(yi)安(an)裝(zhuang)人(ren)員(yuan)安(an)裝(zhuang)完(wan)畢(bi)後(hou)對(dui)用(yong)戶(hu)方(fang)人(ren)員(yuan)進(jin)行(xing)使(shi)用(yong)培(pei)訓(xun)顯(xian)得(de)尤(you)為(wei)重(zhong)要(yao)。培(pei)訓(xun)內(nei)容(rong)應(ying)包(bao)括(kuo):皮帶秤工作原理,對秤體的定期維護、稱重和測速傳感器的定期檢查、檢(jian)查(zha)內(nei)容(rong)和(he)方(fang)法(fa),傳(chuan)感(gan)器(qi)及(ji)儀(yi)表(biao)故(gu)障(zhang)現(xian)象(xiang)和(he)處(chu)理(li)方(fang)法(fa)等(deng)。有(you)些(xie)規(gui)模(mo)較(jiao)小(xiao)的(de)用(yong)戶(hu)沒(mei)有(you)專(zhuan)職(zhi)的(de)儀(yi)表(biao)操(cao)作(zuo)工(gong),有(you)的(de)是(shi)電(dian)工(gong)兼(jian)儀(yi)表(biao)工(gong),有(you)的(de)單(dan)位(wei)甚(shen)至(zhi)連(lian)萬(wan)用(yong)表(biao)都(dou)不(bu)配(pei)備(bei),這(zhe)時(shi)就(jiu)更(geng)體(ti)現(xian)出(chu)安(an)裝(zhuang)人(ren)員(yuan)對(dui)現(xian)場(chang)人(ren)員(yuan)培(pei)訓(xun)的(de)重(zhong)要(yao)性(xing),避(bi)免(mian)皮(pi)帶(dai)秤(cheng)出(chu)現(xian)簡(jian)單(dan)故(gu)障(zhang)現(xian)場(chang)都(dou)處(chu)理(li)不(bu)了(le),隻(zhi)能(neng)要(yao)求(qiu)廠(chang)家(jia)派(pai)人(ren)去(qu)售(shou)後(hou)服(fu)務(wu),一(yi)是(shi)增(zeng)加(jia)各(ge)方(fang)的(de)維(wei)護(hu)服(fu)務(wu)成(cheng)本(ben),二(er)是(shi)服(fu)務(wu)不(bu)及(ji)時(shi)給(gei)用(yong)戶(hu)會(hui)造(zao)成(cheng)不(bu)便(bian)和(he)損(sun)失(shi),也(ye)會(hui)影(ying)響(xiang)皮(pi)帶(dai)秤(cheng)生(sheng)產(chan)廠(chang)的(de)市(shi)場(chang)聲(sheng)譽(yu)。
總zong之zhi,安an裝zhuang環huan節jie是shi皮pi帶dai秤cheng能neng正zheng常chang使shi用yong的de重zhong要yao一yi環huan,皮pi帶dai秤cheng安an裝zhuang涉she及ji到dao的de內nei容rong和he問wen題ti很hen多duo,應ying引yin起qi皮pi帶dai秤cheng生sheng產chan廠chang家jia的de高gao度du重zhong視shi,對dui安an裝zhuang人ren員yuan要yao進jin行xing全quan方fang位wei的de培pei訓xun,提ti高gao他ta們men的de業ye務wu素su質zhi和he專zhuan業ye技ji能neng,盡jin可ke能neng為wei用yong戶hu提ti供gong更geng加jia優you質zhi的de產chan品pin和he服fu務wu。



