1、帶式輸送機的搭接
在(zai)礦(kuang)用(yong)帶(dai)式(shi)輸(shu)送(song)機(ji)中(zhong)，一(yi)般(ban)的(de)現(xian)代(dai)化(hua)大(da)型(xing)的(de)礦(kuang)井(jing)運(yun)輸(shu)大(da)巷(xiang)的(de)運(yun)輸(shu)距(ju)離(li)多(duo)為(wei)幾(ji)千(qian)米(mi)，如(ru)果(guo)在(zai)較(jiao)短(duan)的(de)煤(mei)炭(tan)運(yun)輸(shu)巷(xiang)道(dao)中(zhong)，一(yi)般(ban)的(de)帶(dai)式(shi)輸(shu)送(song)機(ji)是(shi)能(neng)夠(gou)滿(man)足(zu)煤(mei)炭(tan)運(yun)輸(shu)距(ju)離(li)方(fang)麵(mian)的(de)要(yao)求(qiu)，但(dan)是(shi)如(ru)果(guo)在(zai)較(jiao)長(chang)的(de)巷(xiang)道(dao)或(huo)是(shi)有(you)拐(guai)彎(wan)的(de)巷(xiang)道(dao)中(zhong)，輸(shu)送(song)機(ji)便(bian)無(wu)法(fa)滿(man)足(zu)其(qi)需(xu)求(qiu)，現(xian)在(zai)的(de)大(da)型(xing)鋼(gang)絲(si)繩(sheng)纏(chan)繞(rao)多(duo)驅(qu)動(dong)帶(dai)式(shi)輸(shu)送(song)機(ji)的(de)運(yun)輸(shu)距(ju)離(li)一(yi)般(ban)都(dou)不(bu)高(gao)於(yu)兩(liang)千(qian)米(mi)，因(yin)此(ci)一(yi)般(ban)的(de)可(ke)彎(wan)曲(qu)帶(dai)式(shi)輸(shu)送(song)機(ji)是(shi)無(wu)法(fa)實(shi)現(xian)小(xiao)角(jiao)度(du)的(de)工(gong)作(zuo)的(de)，也(ye)就(jiu)是(shi)說(shuo)，必(bi)須(xu)要(yao)采(cai)用(yong)搭(da)接(jie)的(de)方(fang)式(shi)來(lai)解(jie)決(jue)這(zhe)樣(yang)的(de)問(wen)題(ti)。
現xian在zai一yi般ban的de帶dai式shi輸shu送song機ji都dou是shi以yi追zhui求qiu長chang運yun距ju和he大da運yun量liang為wei自zi身shen目mu標biao的de，且qie由you於yu對dui煤mei炭tan經jing濟ji方fang麵mian的de追zhui求qiu，導dao致zhi煤mei炭tan的de塊kuai度du加jia大da，且qie粉fen煤mei量liang也ye有you一yi定ding程cheng度du的de減jian少shao。由you於yu拋pao落luo的de煤mei炭tan會hui對dui下xia部bu的de膠jiao帶dai產chan生sheng較jiao大da的de衝chong擊ji力li，因yin此ci使shi得de下xia部bu膠jiao帶dai要yao承cheng受shou連lian續xu的de或huo者zhe是shi脈mai動dong的de衝chong擊ji，導dao致zhi其qi使shi用yong壽shou命ming減jian少shao，也ye使shi得de托tuo輥gun的de維wei修xiu率lv增zeng加jia。
2、緩衝托輥的改進設計
帶dai式shi輸shu送song機ji的de緩huan衝chong托tuo輥gun一yi般ban都dou用yong在zai搭da接jie帶dai式shi輸shu送song機ji的de落luo料liao位wei置zhi，現xian在zai使shi用yong較jiao為wei廣guang泛fan的de帶dai式shi輸shu送song機ji多duo采cai用yong在zai普pu通tong剛gang麵mian托tuo輥gun外wai表biao麵mian進jin行xing直zhi接jie加jia膠jiao方fang式shi，也ye就jiu是shi在zai普pu通tong剛gang麵mian托tuo輥gun上shang加jia上shang橡xiang膠jiao圈quan，利li用yong橡xiang膠jiao圈quan的de彈dan性xing儲chu能neng來lai對dui拋pao落luo時shi產chan生sheng的de衝chong擊ji力li起qi到dao一yi定ding的de緩huan解jie作zuo用yong，但dan是shi這zhe種zhong方fang法fa對dui於yu緩huan解jie衝chong擊ji力li的de能neng力li是shi十shi分fen有you限xian的de，僅jin僅jin能neng夠gou利li用yong橡xiang膠jiao圈quan的de彈dan性xing儲chu能neng來lai緩huan解jie衝chong擊ji力li，對dui於yu膠jiao帶dai以yi及ji托tuo輥gun的de保bao護hu作zuo用yong並bing不bu明ming顯xian，因yin此ci對dui緩huan衝chong托tuo輥gun進jin行xing改gai進jin是shi十shi分fen必bi要yao的de。
2.1緩衝托輥的改進原理
對(dui)緩(huan)衝(chong)托(tuo)輥(gun)進(jin)行(xing)改(gai)進(jin)的(de)基(ji)本(ben)設(she)計(ji)思(si)路(lu)是(shi)在(zai)原(yuan)有(you)的(de)橡(xiang)膠(jiao)圈(quan)緩(huan)衝(chong)的(de)基(ji)礎(chu)之(zhi)上(shang)進(jin)行(xing)的(de)，盡(jin)量(liang)在(zai)不(bu)會(hui)增(zeng)加(jia)機(ji)械(xie)加(jia)工(gong)難(nan)度(du)以(yi)及(ji)製(zhi)造(zao)成(cheng)本(ben)的(de)條(tiao)件(jian)下(xia)進(jin)行(xing)，且(qie)要(yao)達(da)到(dao)提(ti)高(gao)緩(huan)衝(chong)托(tuo)輥(gun)的(de)緩(huan)衝(chong)保(bao)護(hu)性(xing)能(neng)的(de)目(mu)的(de)。改(gai)進(jin)設(she)計(ji)的(de)原(yuan)理(li)為(wei)采(cai)用(yong)機(ji)械(xie)原(yuan)理(li)中(zhong)的(de)曲(qu)柄(bing)滑(hua)塊(kuai)機(ji)構(gou)。原(yuan)理(li)如(ru)圖(tu)l所示：
在滑杆L2上安裝緩衝的彈簧，使拋落時的衝擊力能夠有所緩解。在新型緩衝托輥的運行時，首先為拋落物品隨之產生的衝擊力導致L1進行左右方向的擺動，然後帶動滑杆L2進行下滑並也做幅度較小的擺動，在滑竿L2進行下滑的過程中，使L2上shang加jia裝zhuang的de彈dan簧huang進jin行xing壓ya縮suo，通tong過guo壓ya縮suo彈dan簧huang，使shi得de在zai煤mei炭tan下xia落luo過guo程cheng中zhong的de衝chong擊ji力li有you一yi定ding的de程cheng度du的de緩huan解jie且qie能neng夠gou對dui膠jiao帶dai以yi及ji托tuo輥gun起qi到dao二er次ci保bao護hu的de作zuo用yong。
2.2緩衝托輥的設計製造
改gai進jin後hou的de緩huan衝chong托tuo輥gun能neng夠gou在zai其qi自zi重zhong作zuo用yong下xia將jiang緩huan衝chong彈dan簧huang壓ya縮suo在zai兩liang個ge擋dang片pian之zhi間jian，並bing且qie能neng夠gou保bao持chi動dong態tai的de平ping衡heng。在zai改gai進jin設she計ji中zhong過guo程cheng並bing不bu複fu雜za，利li用yong滑hua竿ganL2zhongdedanhuanglaiwanchengercihuanchongdezuoyong，jiduiwupinpaoluoduijiaodaihetuogundechongjiliqidaoyidingdehuanjiezuoyong。zaigaijinguochengzhong，yuanlaidehuanchongtuogundechicunhewaixingyebingbuhuiyoudadegaidong，zheyangnenggouduiyuanlaituogundeanzhuangjiegouqidaoyidingdebaochiyijibaohuzuoyong。
chucizhiwai，zaiduihuanchongtuogunzengjialeshaoliangdefujianhou，nenggoushituogundehuanchongzuoyongyoujiaodachengdudetigao，qiezaigaijindeguochengzhongtuogundejiagongzhuangpeiyebingbufuza，yinci，zhengtidezhizaochengbenbingbuhuiyoumingxiandetigao。
3、托輥的發展現狀
目前，我國國內的帶式輸送機帶速約為3～6m/s，但是根據資料顯示，國外一般的帶式輸送機的帶速都能夠達到15m/s，因yin此ci總zong體ti來lai說shuo，我wo國guo的de帶dai式shi輸shu送song機ji較jiao國guo外wai來lai講jiang，帶dai速su是shi偏pian低di的de，我wo國guo的de托tuo輥gun技ji術shu與yu國guo外wai相xiang比bi差cha距ju也ye比bi較jiao大da。例li如ru日ri本ben的de皆jie愛ai喜xi公gong司si和he意yi大da利li的de陸lu美mei嘉jia公gong司si等deng高gao質zhi量liang的de公gong司si，在zai托tuo輥gun的de研yan製zhi方fang麵mian都dou處chu於yu世shi界jie的de領ling先xian水shui平ping。我wo國guo的de托tuo輥gun產chan品pin與yu國guo外wai相xiang比bi，主zhu要yao差cha距ju為wei：我國的托輥平均使用壽命較短，根據調查進口的托輥使用壽命一般為50000～100000小時之間，而我國的托輥使用壽命一般為30000小時左右；我國生產的普通托輥的運行阻力係數約為0.018左右，而進口的托輥旋轉阻力係數約為0.012;woguodetuogunchanpinyuguowaidexiangbizhiliangjiaoda，tongyigexinghaodetuogunzaiguoneibizaiguowaiyaozhongbaifenzhishizuoyou，ertuogundezhiliangyueda，yaodexiaohaodegonglvhegangcaiyeyueda，tebieshizaidaishishusongjiqidongdeshihouxiaohaodegonglvgengda；同一個型號的托輥在國內生產的噪聲要比在國外的大10%～30%左右。
目前來講我國市場上的托輥產品存在著眾多問題，通常使托輥失效的形式主要有兩種：軸zhou承cheng的de失shi效xiao以yi及ji簡jian體ti等deng結jie構gou的de破po壞huai。在zai托tuo輥gun產chan品pin中zhong，筒tong體ti和he軸zhou承cheng座zuo，以yi及ji支zhi撐cheng軸zhou和he擋dang蓋gai都dou為wei碳tan鋼gang結jie構gou構gou造zao的de，因yin此ci質zhi量liang較jiao大da，且qie容rong易yi產chan生sheng靜jing電dian，並bing且qie容rong易yi被bei鏽xiu腐fu蝕shi，例li如ru在zai礦kuang山shan的de生sheng產chan過guo程cheng中zhong，托tuo輥gun要yao長chang期qi暴bao漏lou在zai高gao硫liu的de環huan境jing中zhong，因yin此ci腐fu蝕shi的de更geng加jia明ming顯xian。軸zhou承cheng的de失shi效xiao主zhu要yao變bian表biao在zai兩liang個ge方fang麵mian：zaituogungongzuoshitongtidepianxinhuidaozhizhouchengchanshengzhouxiangligaopinchongji，qiexiangxinqiudezhouchengnenggouchengzaidejingxianglijiaoda，zheduixiangxinqiuzhouchengdetuogunhuichanshengjiaomingxiandeyingxiang；軸zhou承cheng的de密mi封feng性xing較jiao差cha，例li如ru在zai使shi用yong過guo程cheng中zhong沒mei有you對dui其qi進jin行xing嚴yan密mi的de密mi封feng使shi塵chen埃ai侵qin入ru到dao了le托tuo輥gun的de內nei部bu，從cong而er進jin入ru到dao了le軸zhou承cheng中zhong的de滾gun道dao中zhong，最zui終zhong導dao致zhi潤run滑hua脂zhi的de變bian質zhi或huo是shi固gu化hua，對dui軸zhou承cheng的de工gong況kuang也ye會hui產chan生sheng一yi定ding的de破po壞huai，加jia快kuai了le軸zhou承cheng的de磨mo損sun情qing況kuang以yi及ji磨mo損sun程cheng度du。
4、帶式輸送機緩衝托輥的發展前景分析
首(shou)先(xian)，傳(chuan)統(tong)的(de)托(tuo)輥(gun)支(zhi)承(cheng)緩(huan)衝(chong)能(neng)力(li)較(jiao)差(cha)，無(wu)法(fa)很(hen)好(hao)地(di)吸(xi)收(shou)物(wu)品(pin)下(xia)落(luo)時(shi)產(chan)生(sheng)的(de)強(qiang)大(da)衝(chong)擊(ji)力(li)，如(ru)果(guo)控(kong)製(zhi)不(bu)好(hao)的(de)話(hua)會(hui)砸(za)壞(huai)支(zhi)承(cheng)托(tuo)輥(gun)，從(cong)而(er)造(zao)成(cheng)皮(pi)帶(dai)會(hui)縱(zong)向(xiang)撕(si)裂(lie)等(deng)情(qing)況(kuang)；其(qi)次(ci)支(zhi)承(cheng)托(tuo)輥(gun)在(zai)工(gong)作(zuo)過(guo)程(cheng)中(zhong)，會(hui)頻(pin)繁(fan)地(di)受(shou)到(dao)物(wu)料(liao)的(de)衝(chong)擊(ji)，容(rong)易(yi)產(chan)生(sheng)脫(tuo)落(luo)的(de)情(qing)況(kuang)，支(zhi)承(cheng)輥(gun)的(de)直(zhi)立(li)支(zhi)架(jia)座(zuo)會(hui)容(rong)易(yi)產(chan)生(sheng)掛(gua)傷(shang)或(huo)是(shi)撕(si)裂(lie)皮(pi)帶(dai)等(deng)情(qing)況(kuang)；在(zai)工(gong)作(zuo)過(guo)程(cheng)中(zhong)，支(zhi)承(cheng)托(tuo)輥(gun)和(he)輸(shu)送(song)帶(dai)之(zhi)間(jian)是(shi)線(xian)接(jie)觸(chu)，在(zai)兩(liang)輥(gun)之(zhi)間(jian)是(shi)懸(xuan)空(kong)的(de)狀(zhuang)態(tai)，當(dang)物(wu)料(liao)或(huo)其(qi)他(ta)物(wu)品(pin)下(xia)落(luo)時(shi)會(hui)對(dui)兩(liang)個(ge)托(tuo)輥(gun)之(zhi)間(jian)的(de)皮(pi)帶(dai)造(zao)成(cheng)不(bu)同(tong)程(cheng)度(du)的(de)損(sun)壞(huai)，如(ru)果(guo)物(wu)料(liao)或(huo)是(shi)尖(jian)銳(rui)的(de)硬(ying)物(wu)卡(ka)在(zai)了(le)托(tuo)輥(gun)和(he)落(luo)料(liao)口(kou)之(zhi)間(jian)，那(na)麼(me)將(jiang)會(hui)造(zao)成(cheng)皮(pi)帶(dai)的(de)縱(zong)向(xiang)撕(si)帶(dai)：傳chuan統tong的de托tuo輥gun支zhi承cheng，處chu於yu兩liang輥gun之zhi間jian的de皮pi帶dai在zai使shi用yong一yi段duan時shi間jian之zhi後hou，會hui造zao成cheng皮pi帶dai的de下xia垂chui，導dao致zhi落luo料liao口kou區qu間jian的de皮pi帶dai成cheng波bo浪lang形xing，落luo料liao口kou的de密mi封feng性xing也ye會hui受shou到dao不bu同tong程cheng度du的de損sun壞huai，從cong而er造zao成cheng物wu理li散san落luo等deng情qing況kuang，對dui環huan境jing也ye有you一yi定ding的de汙wu染ran：傳chuan統tong的de支zhi承cheng托tuo輥gun表biao麵mian的de彈dan性xing較jiao差cha，如ru果guo長chang時shi間jian沒mei有you運yun行xing，支zhi承cheng托tuo輥gun的de表biao麵mian會hui粘zhan附fu一yi些xie物wu料liao且qie皮pi帶dai也ye會hui受shou到dao一yi定ding的de磨mo損sun，如ru果guo嚴yan重zhong的de話hua，會hui引yin起qi皮pi帶dai跑pao偏pian；傳統的支承托輥的轉動軸承如果長期受到物品下落的衝擊，那麼’軸承和密封性會發生失效的情況，導致輥體的轉動不靈活，甚至出現不轉動的情況，且會對皮帶的表麵會造成磨損。
zongshangsuoshu，chuantongdehuanchongtuogunjishubingbushifenchengshu，ruguobuduiqijinxinggaijin，namehuanchongtuogundefazhankongjianshijiaoweixiaaide，yinciguojishangyouxuduogongchengshejigongsidouduibutongdewuliaohuanchongzhuangzhijinxinglebutongchengdudegaijin，muqianlaijiang，youdeguogongchengshifamingdehuanchongchuang，jingguolezhubudegaijinhou，zhujiandedaoleguangdakehuderenke，bingzaiquanqiufanweineibeiguangfandeyingyong。
congjiegoushanglaishuo，mifengxinghexinxingcailiaodeyingyongduihuanchongtuogunlaishuo，jichuxingdeyanjiushishifenbiyaode，muqianguangfanshiyongdexintuogunjiegoucaiyonglejiechumigonghezhouxiangmigongxiangjiehedefuhemifengjiegou，qiexuanyongledaifangchengaideshengouqiuzhoucheng。zongtilaishuo，guangfandeyingyongxincailiao，duijiagonggongyijinxinggaijin，nenggouyouxiaodebaozhengtuogundexuanzhuanzuli、徑向圓跳動，以及其防水和防塵密封性等。在目前以大功率、大運量、長距離為帶式輸送發展方向的環境之下，阻力小、噪聲小、使用壽命長的托輥結構方案才能夠對帶式輸送機的生產效率起到重要的提高作用。
5、結論
綜上所述，如果想要徹底解決帶式輸送機緩衝托輥使用壽命短等問題，那麼就要對緩衝托輥的使用環境、緩(huan)衝(chong)托(tuo)輥(gun)的(de)結(jie)構(gou)以(yi)及(ji)緩(huan)衝(chong)托(tuo)輥(gun)的(de)結(jie)構(gou)特(te)點(dian)進(jin)行(xing)認(ren)真(zhen)的(de)分(fen)析(xi)，隻(zhi)有(you)對(dui)緩(huan)衝(chong)托(tuo)輥(gun)架(jia)進(jin)行(xing)改(gai)進(jin)，例(li)如(ru)文(wen)中(zhong)提(ti)到(dao)的(de)利(li)用(yong)彈(dan)簧(huang)來(lai)實(shi)現(xian)緩(huan)衝(chong)的(de)方(fang)法(fa)，才(cai)能(neng)夠(gou)對(dui)問(wen)題(ti)有(you)較(jiao)為(wei)徹(che)底(di)的(de)解(jie)決(jue)。改(gai)進(jin)緩(huan)衝(chong)托(tuo)輥(gun)以(yi)及(ji)緩(huan)衝(chong)托(tuo)輥(gun)架(jia)，不(bu)僅(jin)能(neng)夠(gou)有(you)效(xiao)地(di)延(yan)長(chang)緩(huan)衝(chong)托(tuo)輥(gun)的(de)使(shi)用(yong)壽(shou)命(ming)，還(hai)能(neng)適(shi)當(dang)減(jian)少(shao)維(wei)修(xiu)人(ren)員(yuan)的(de)勞(lao)動(dong)強(qiang)度(du)，同(tong)時(shi)也(ye)為(wei)生(sheng)產(chan)贏(ying)得(de)了(le)寶(bao)貴(gui)的(de)時(shi)間(jian)，並(bing)為(wei)公(gong)司(si)創(chuang)造(zao)了(le)經(jing)濟(ji)效(xiao)益(yi)。
相關輸送機產品：
1、刮板輸送機
2、螺旋輸送機
