對SG2-730/320型刮板輸送機在使用中遇到的問題,從製造工藝角度提出以下改進措施。
針對齒軌座斷損的常見故障,可用螺栓聯接代替焊接結構。針對中部槽磨損的常見故障:①采用耐磨性好、能承受高衝擊負荷的高錳鋼凹、凸端頭滿足使用要求;②將加強板與槽幫鋼上平麵焊為一體,提高槽幫承載能力和延長使用壽命;③中板承載麵用耐磨焊條堆焊花紋,使刮板和鏈條在花紋上滑動,與中板脫離接觸,避免直接摩擦損壞,提高使用壽命;④磨(mo)損(sun)嚴(yan)重(zhong)的(de)部(bu)位(wei)選(xuan)用(yong)耐(nai)磨(mo)的(de)優(you)質(zhi)合(he)金(jin)鋼(gang)或(huo)采(cai)取(qu)堆(dui)焊(han)耐(nai)磨(mo)合(he)金(jin),局(ju)部(bu)耐(nai)磨(mo)噴(pen)塗(tu)。針(zhen)對(dui)刮(gua)板(ban)掉(diao)道(dao)的(de)故(gu)障(zhang),采(cai)用(yong)在(zai)溜(liu)槽(cao)底(di)部(bu)兩(liang)側(ce)各(ge)安(an)一(yi)個(ge)刮(gua)板(ban)掉(diao)道(dao)複(fu)位(wei)裝(zhuang)置(zhi),在(zai)刮(gua)板(ban)掉(diao)道(dao)時(shi),搬(ban)開(kai)此(ci)裝(zhuang)置(zhi)進(jin)行(xing)複(fu)位(wei)。針(zhen)對(dui)機(ji)頭(tou)架(jia)拉(la)壞(huai)故(gu)障(zhang),將(jiang)過(guo)渡(du)槽(cao)縮(suo)短(duan)0.5mbingjiagudiban,dangyingzawularendicao,yunxingdaoguoducaochukazhushi,zhinenglahuaiguoducao,buzhisunhuaiqitawuti。zhenduiliantiaotuochulianwohoudaozhilianlunyulianhuanshixiaodeguzhang,zailiangpianlianlunzhijianzengjiatuolianfanghuzhao,bingconggongyishanggaijinrechuligongyilaigaishanlianhuan、鏈輪的強度。針對掉銷、錯牙、卡鏈、鏈lian條tiao扭niu斜xie後hou脫tuo鏈lian停ting產chan的de故gu障zhang,改gai進jin刮gua板ban的de連lian接jie結jie構gou,用yong螺luo栓shuan連lian接jie,不bu會hui影ying響xiang運yun輸shu效xiao果guo。針zhen對dui斷duan鏈lian的de故gu障zhang,用yong合he金jin錒a製zhi造zao鏈lian條tiao,焊han接jie後hou進jin行xing熱re處chu理li,提ti高gao其qi強qiang度du、韌ren性xing和he耐nai磨mo性xing。針zhen對dui兩liang片pian鏈lian輪lun之zhi間jian錯cuo牙ya的de故gu障zhang,可ke沿yan著zhe鏈lian輪lun與yu中zhong間jian筒tong接jie縫feng位wei置zhi用yong電dian焊han焊han成cheng整zheng體ti,避bi免mian兩liang者zhe之zhi間jian產chan生sheng相xiang對dui位wei移yi,或huo設she計ji成cheng一yi體ti的de。針zhen對dui軸zhou傘san齒chi輪lun軸zhou承cheng潤run滑hua不bu足zu的de情qing況kuang,可ke將jiang減jian速su器qi軸zhou傘san齒chi輪lun固gu定ding螺luo栓shuan銷xiao改gai成cheng油you杯bei式shi螺luo栓shuan固gu定ding銷xiao。針zhen對dui輸shu送song機ji框kuang架jia易yi損sun壞huai、更換不易的情況,可把固定在框架上的舊齒軌座割掉,在齒軌座下麵框架上鑽2個孔,對新的齒軌座在采空側焊上一塊鐵板,鐵板上鑽上4個(ge)固(gu)定(ding)孔(kong),用(yong)螺(luo)栓(shuan)把(ba)齒(chi)軌(gui)座(zuo)固(gu)定(ding)在(zai)輸(shu)送(song)機(ji)框(kuang)架(jia)上(shang),用(yong)螺(luo)栓(shuan)聯(lian)接(jie)更(geng)換(huan)也(ye)方(fang)便(bian)。針(zhen)對(dui)電(dian)機(ji)燒(shao)壞(huai)的(de)故(gu)障(zhang),可(ke)適(shi)當(dang)增(zeng)大(da)輸(shu)送(song)機(ji)電(dian)機(ji)容(rong)量(liang),緩(huan)解(jie)電(dian)機(ji)過(guo)載(zai)的(de)問(wen)題(ti),並(bing)完(wan)善(shan)過(guo)載(zai)保(bao)護(hu)裝(zhuang)置(zhi)性(xing)能(neng)。
2、使用維護的改進措施
正確安裝、及時維護以及合理使用,可保證刮板輸送機的長期穩定安全運轉,現將現場生產中總結出的安裝、維護使用經驗介紹如下。
刮板鏈在安裝時,必須將聯接螺紋處牯附物清洗幹淨,塗上少量潤滑脂;圓環鏈立環的焊口應背離中板;刮板大弧形凹麵與輸送機運輸方向一致;螺紋擰緊力矩控製在600~700Nm範圍內。輸送機要鋪設平直。組裝減速器時,必須調整好齒輪的齒側問隙和軸向遊隙。帶負荷運轉200hhou,xujiangxiangtineideyouyeqingxiganjing,bingtianjiaxinderunhuayou,zhihoumeibanwugenghuanyici。duixianjuxingyeliouheqifangzhichongyouliangguoduo,yimiandiandongjizaizhongzaixiabunengqidong,youyexujingguo800 - 100% cml的濾網過濾後注入。為r確保輸送機正常運行,發揮其最佳性能,必須按以下要求進行維護。每班檢查刮板鏈、接鏈環、偶合器、機頭軸等運動部件,更換彎曲刮板;觀察減速器是否漏油,有無異常聲響和震動(油溫≤90℃);電氣設備有無損壞,電機有無異常聲響和震動(溫升≤105K)中部槽是否抬起,電纜槽等固定部件有無損壞。每日除兩條重複每班檢查項目外,還需檢查刮板鏈張緊度是否台適,鏈鬆緊是否一致;鏈輪有無損壞,撥鏈器是否有歪斜、卡鏈現象,減速器、偶ou合he器qi是shi否fou有you漏lou油you現xian象xiang每mei周zhou除chu重zhong複fu每mei日ri檢jian查zha項xiang目mu外wai,並bing應ying檢jian查zha傳chuan動dong部bu,有you無wu損sun壞huai,檢jian查zha各ge緊jin固gu件jian的de使shi用yong情qing況kuang。每mei月yue重zhong複fu每mei周zhou檢jian查zha項xiang目mu,若ruo發fa現xian鏈lian條tiao伸shen長chang量liang超chao過guo原yuan始shi長chang度du2.5%、鏈環節距超過92+0.9mm時,則必須及時更換掉。檢查減速器和偶合器的油量,發現齒輪、軸承有損壞時應立即更換:每mei季ji除chu重zhong複fu每mei月yue檢jian查zha項xiang目mu外wai,並bing應ying檢jian查zha各ge種zhong備bei品pin備bei件jian是shi否fou齊qi備bei。每mei半ban年nian檢jian查zha時shi,除chu需xu重zhong複fu每mei季ji檢jian查zha內nei容rong外wai,還hai必bi須xu將jiang減jian速su器qi油you全quan部bu放fang出chu,清qing洗xi齒chi輪lun、zhouchengdenglingbujian,zhuangpeihougeijiansuqizhuyoudaobiaozhunyoumian,bingjianzhadiandongjizhouchengjicejueyuandianzushifouzhengchang。lianghaoderunhuatiaojianjianlizaiduishusongjigebuweidingqijiayoudejichushang,duishusongjibixuanguidingdingqi、定點加油。
3、結語
本(ben)文(wen)結(jie)合(he)現(xian)場(chang)實(shi)際(ji)情(qing)況(kuang),對(dui)刮(gua)板(ban)輸(shu)送(song)機(ji),提(ti)出(chu)了(le)製(zhi)造(zao)工(gong)藝(yi)和(he)使(shi)用(yong)維(wei)護(hu)方(fang)麵(mian)的(de)一(yi)些(xie)措(cuo)施(shi),經(jing)在(zai)煤(mei)礦(kuang)應(ying)用(yong),效(xiao)果(guo)良(liang)好(hao),可(ke)以(yi)較(jiao)有(you)效(xiao)地(di)降(jiang)低(di)現(xian)場(chang)設(she)備(bei)的(de)故(gu)障(zhang)率(lv)。



