1、輸送帶的跑偏及保護裝置
輸送帶跑偏現象的主要危害是:daozhishusongdaibianyuanbufendezaoqisiliesunhuai,yanxiansameiyingxiangzhengchangshengchanyunxing,tiaopianyanzhongkenengyouyuerguodumocaeryinfahuozai。daozhishusongdaipaopiandeyuanyinyou:輸送機的托輥與輸送帶中線、滾筒與輸送帶中線不垂直,輸送帶接頭受力不均,裝料偏向側而出現偏載;滾筒的局部粘煤粉;輸送帶產品身的製造質量不佳,如芯體鋼絲繩受力不均等。
為(wei)避(bi)免(mian)由(you)於(yu)輸(shu)送(song)帶(dai)跑(pao)偏(pian)可(ke)能(neng)出(chu)現(xian)的(de)事(shi)故(gu),輸(shu)送(song)機(ji)沿(yan)線(xian)要(yao)裝(zhuang)設(she)跑(pao)偏(pian)防(fang)護(hu)監(jian)控(kong)裝(zhuang)置(zhi),在(zai)出(chu)現(xian)持(chi)續(xu)跑(pao)偏(pian)時(shi),輸(shu)送(song)機(ji)可(ke)自(zi)動(dong)停(ting)機(ji)。帶(dai)式(shi)輸(shu)送(song)機(ji)一(yi)般(ban)采(cai)用(yong)行(xing)程(cheng)開(kai)關(guan)式(shi)防(fang)跑(pao)偏(pian)保(bao)護(hu)裝(zhuang)置(zhi)。它(ta)是(shi)由(you)防(fang)偏(pian)傳(chuan)感(gan)器(qi)和(he)控(kong)製(zhi)箱(xiang)組(zu)成(cheng)。在(zai)輸(shu)送(song)帶(dai)跑(pao)偏(pian)時(shi),輸(shu)送(song)帶(dai)把(ba)立(li)輥(gun)推(tui)向(xiang)外(wai)側(ce),使(shi)傳(chuan)感(gan)器(qi)的(de)動(dong)觸(chu)頭(tou)和(he)固(gu)定(ding)觸(chu)頭(tou)接(jie)觸(chu),通(tong)過(guo)控(kong)製(zhi)箱(xiang)控(kong)製(zhi)帶(dai)式(shi)輸(shu)送(song)機(ji)斷(duan)電(dian)停(ting)機(ji)。利(li)用(yong)帶(dai)柄(bing)的(de)滾(gun)式(shi)行(xing)程(cheng)開(kai)關(guan)對(dui)輸(shu)送(song)帶(dai)的(de)跑(pao)偏(pian)實(shi)施(shi)監(jian)測(ce)。
2、驅動滾筒打滑與監控保護裝置
驅動滾筒打滑是滾筒的摩擦牽引力降低、超載或帶被卡住。摩擦牽引力降低是輸送帶或滾筒沾泥水、輸shu送song帶dai張zhang力li下xia降jiang。滾gun筒tong打da滑hua若ruo持chi續xu下xia去qu,不bu糾jiu偏pian,會hui造zao成cheng輸shu送song帶dai著zhe火huo的de重zhong大da事shi故gu出chu現xian。避bi免mian帶dai式shi輸shu送song機ji打da滑hua倍bei受shou關guan注zhu。井jing下xia帶dai式shi輸shu送song機ji使shi用yong的de輸shu送song帶dai一yi定ding是shi阻zu燃ran型xing輸shu送song帶dai。帶dai式shi輸shu送song機ji托tuo輥gun的de非fei金jin屬shu材cai料liao零ling部bu件jian和he包bao膠jiao滾gun筒tong的de膠jiao料liao,阻zu燃ran性xing和he抗kang靜jing電dian性xing必bi須xu滿man足zu規gui定ding要yao求qiu。為wei避bi免mian帶dai式shi輸shu送song機ji滾gun筒tong打da滑hua和he由you於yu其qi他ta摩mo擦ca因yin素su造zao成cheng的de安an全quan事shi故gu,井jing下xia帶dai式shi輸shu送song機ji要yao具ju備bei的de安an全quan監jian控kong保bao護hu裝zhuang置zhi如ru下xia:驅動滾筒防滑保護、溫度保護監控裝置;卸載端的堆煤保護監控裝置.輸送機的防跑偏監控保護裝置,輸送機運輸巷道的煙霧保護和自動灑水裝置;在主要運輸巷道安設的帶式輸送機必須裝設輸送帶張緊力}降保護裝置。打滑與監控保護裝置有:一yi是shi管guan式shi打da滑hua保bao護hu裝zhuang置zhi。它ta把ba傳chuan感gan器qi的de磁ci鐵tie安an裝zhuang在zai導dao向xiang滾gun筒tong的de側ce麵mian,用yong螺luo栓shuan固gu定ding。傳chuan感gan器qi安an裝zhuang在zai導dao向xiang滾gun筒tong的de鄰lin近jin處chu,著zhu輸shu送song帶dai在zai運yun行xing中zhong出chu現xian斷duan帶dai、打滑,導向滾筒的轉速會出現變化,通過傳感器反映的導向滾筒轉速降至設定值時,保護裝置發出指示信號,使帶式輸送機停止運行。
二是滾輪式斷帶、打滑保護裝置。它由滾輪傳感器和控製箱組成。其運轉在輸送帶的帶動下,滾輪保持一定速度,保護裝置不動作;出現斷帶打滑,輸送帶運行速度減慢或停止,在滾輪速度達到設定值時,保護裝置,使帶式輸送機停止運轉。
3、鋼絲繩芯帶式輸送機的斷帶與縱向撕裂保護裝置
長距離輸送機輸送帶每100m至少有一個接頭,由於輸送帶的接頭質量較差、牽引運行中的動載荷作用及他使用因素,造成斷帶事故,要采取有效的安全技術措施:加強接頭質量的管理,嚴格操作規程,使用接頭質量無損監測技術,確保牽引運行中的接頭強度;在(zai)輸(shu)送(song)機(ji)上(shang)裝(zhuang)設(she)斷(duan)帶(dai)保(bao)護(hu)監(jian)控(kong)裝(zhuang)置(zhi),減(jian)小(xiao)由(you)於(yu)斷(duan)帶(dai)造(zao)成(cheng)事(shi)故(gu)危(wei)害(hai)。鋼(gang)絲(si)繩(sheng)芯(xin)輸(shu)送(song)帶(dai),由(you)於(yu)其(qi)芯(xin)體(ti)兩(liang)鋼(gang)繩(sheng)之(zhi)間(jian)的(de)橫(heng)向(xiang)強(qiang)度(du)較(jiao)弱(ruo),運(yun)行(xing)中(zhong)如(ru)被(bei)尖(jian)刃(ren)物(wu)卡(ka)住(zhu)而(er)繼(ji)續(xu)運(yun)行(xing),就(jiu)可(ke)能(neng)導(dao)致(zhi)輸(shu)送(song)帶(dai)的(de)縱(zong)向(xiang)割(ge)裂(lie)。這(zhe)不(bu)但(dan)可(ke)能(neng)導(dao)致(zhi)設(she)備(bei)損(sun)失(shi),還(hai)可(ke)能(neng)影(ying)響(xiang)生(sheng)產(chan)。防(fang)治(zhi)的(de)措(cuo)施(shi)是(shi),在(zai)裝(zhuang)料(liao)點(dian)裝(zhuang)設(she)縱(zong)向(xiang)撕(si)裂(lie)監(jian)控(kong)保(bao)護(hu)裝(zhuang)置(zhi)。
這種裝置由防撕裂傳感器和控製箱組成。前者安裝在給煤機前方或裝載點幾米處的上層輸送帶下方,煤礦DJS-B A-l型(xing)輸(shu)送(song)帶(dai)縱(zong)向(xiang)撕(si)裂(lie)保(bao)護(hu)裝(zhuang)置(zhi)。裝(zhuang)置(zhi)的(de)作(zuo)用(yong)是(shi)在(zai)帶(dai)式(shi)輸(shu)送(song)機(ji)出(chu)現(xian)膠(jiao)帶(dai)縱(zong)向(xiang)撕(si)裂(lie)事(shi)故(gu)時(shi),要(yao)及(ji)時(shi)控(kong)製(zhi)帶(dai)式(shi)輸(shu)送(song)機(ji)停(ting)機(ji),避(bi)免(mian)撕(si)裂(lie)事(shi)故(gu)的(de)擴(kuo)大(da),其(qi)工(gong)作(zuo)原(yuan)理(li)是(shi):在(zai)出(chu)現(xian)縱(zong)向(xiang)撕(si)裂(lie)的(de)輸(shu)送(song)帶(dai)經(jing)過(guo)縱(zong)向(xiang)撕(si)裂(lie)傳(chuan)感(gan)器(qi)上(shang)方(fang)時(shi),輸(shu)送(song)帶(dai)上(shang)麵(mian)的(de)煤(mei)沿(yan)縱(zong)向(xiang)撕(si)裂(lie)的(de)縫(feng)隙(xi)撒(sa)落(luo)在(zai)傳(chuan)感(gan)器(qi)上(shang),導(dao)電(dian)橡(xiang)膠(jiao)板(ban)被(bei)壓(ya)變(bian)形(xing),貼(tie)靠(kao)在(zai)電(dian)極(ji)印(yin)製(zhi)板(ban)上(shang),把(ba)常(chang)開(kai)的(de)觸(chu)點(dian)閉(bi)合(he),通(tong)過(guo)控(kong)製(zhi)箱(xiang)控(kong)製(zhi)輸(shu)送(song)機(ji)停(ting)機(ji)。防(fang)撕(si)裂(lie)保(bao)護(hu)裝(zhuang)置(zhi)的(de)缺(que)點(dian)是(shi),在(zai)輸(shu)送(song)帶(dai)出(chu)現(xian)縱(zong)向(xiang)撕(si)裂(lie)而(er)輸(shu)送(song)帶(dai)無(wu)煤(mei)時(shi),不(bu)能(neng)避(bi)免(mian)輸(shu)送(song)帶(dai)撕(si)裂(lie)事(shi)故(gu)擴(kuo)大(da)。
另ling一yi種zhong防fang撕si裂lie保bao護hu裝zhuang置zhi由you一yi個ge繞rao線xian吊diao掛gua托tuo輥gun和he限xian位wei開kai關guan組zu成cheng,安an裝zhuang於yu裝zhuang載zai點dian的de托tuo架jia內nei,在zai輸shu送song帶dai被bei利li器qi刺ci透tou撕si開kai時shi,輸shu送song帶dai托tuo輥gun通tong過guo插cha入ru輸shu送song帶dai的de利li器qi改gai變bian位wei置zhi,帶dai動dong限xian位wei開kai關guan使shi輸shu送song機ji停ting機ji。現xian有you的de防fang撕si裂lie監jian控kong保bao護hu裝zhuang置zhi,隻zhi是shi在zai尖jian刃ren物wu穿chuan透tou相xiang當dang深shen度du才cai可ke使shi輸shu送song機ji停ting機ji,還hai必bi須xu開kai發fa更geng完wan善shan的de縱zong向xiang撕si裂lie保bao護hu裝zhuang置zhi.
4、煙溫報警滅火係統裝置
yanwenbaojingmiehuoxitongzhuangzhikelianxujiancekuangjingdaishishusongjixitongwenduheyanwudebianhuazhuangkuang。zaidaishishusongjizhouweiwenduheyanchennongdudadaoshedingzhishi,zhuangzhizhongdebaojingqihuichanshengshengguangbaojing,tongshiduandiantingji,sashuimiehuo.煙溫報警滅火係統裝置主要由控製箱、傳感器、聲光報警器和噴水裝置組成。
5、傾斜運輸中的安全保護裝置
傾斜井巷中,帶式輸送機滿載運輸時,由於物料自重分力向下推力較大,可能導致上運“逆轉”和下運“飛車”事(shi)故(gu)。前(qian)者(zhe)是(shi)向(xiang)上(shang)運(yun)輸(shu)的(de)帶(dai)式(shi)輸(shu)送(song)機(ji),在(zai)滿(man)載(zai)上(shang)運(yun)時(shi),如(ru)果(guo)斷(duan)電(dian),不(bu)能(neng)有(you)效(xiao)製(zhi)動(dong),就(jiu)可(ke)能(neng)出(chu)現(xian)反(fan)向(xiang)逆(ni)轉(zhuan)事(shi)故(gu)。後(hou)者(zhe)是(shi)向(xiang)下(xia)運(yun)輸(shu)的(de)輸(shu)送(song)機(ji)等(deng)速(su)運(yun)行(xing)時(shi)利(li)用(yong)電(dian)機(ji)的(de)發(fa)電(dian)機(ji)方(fang)式(shi)控(kong)製(zhi)速(su)度(du),斷(duan)電(dian)時(shi),輸(shu)送(song)機(ji)失(shi)去(qu)電(dian)磁(ci)平(ping)衡(heng)力(li)矩(ju),如(ru)果(guo)無(wu)有(you)效(xiao)的(de)減(jian)速(su)製(zhi)動(dong)方(fang)式(shi),會(hui)導(dao)致(zhi)輸(shu)送(song)機(ji)高(gao)速(su)“飛車”事故。所以,需要在傾斜運輸的輸送機上裝設保護裝置:上運帶式輸送機要裝設防逆轉和製動等裝置;下運帶式輸送機,要裝設降速製動保護裝置。在下運帶式輸送機上使用的安全降速製動保護方式有如下方法:采用繞線式電動機動力製動。此方式僅可在無防爆要求的環境下使用;使用液力製動裝置降速,低速下用機械製動閘停車;采用液壓製動裝置製動;增加盤式製動器製動副的散熱能力,溫度不可大幹規定值。
6、飛帶保護裝置
cizhongzhuangzhiyongyuqingxiexiayundedaiwushusongjishang。qizuoyongshizaixiayundaishishusongjishikonghuozhidonghoushusongdaiyuguntongdahuashi,youyeyashifeidaibuzhuoqibuzhuoshusongdai,bimianchuxianfeidaishigu。yeyashifeidaibuzhuoqiyouyeyaxitong、guntonghexiangjiaolungoucheng。tayiyouyakongzhi。zaidaisuchaoguoedingzhishi,kongzhixitongyoulufa,dakaixiangjiaolundaidongyeyabengbayoutongguoguanlupaidaoyeyagangnei,tuidongyeyagangneihuosaishigangtixiangxiayundong,gangtiyuguntongxianglian,tuidongguntongxiangxiayundong,xiangjiaolungudingbudong,shusongdaibeiyazaiguntongyuxiangjiaolunzhongjian,kezengdashusongdaideyunxingzuli,jiangdishusongdaideyunxingsudu,keyibimianshusongdaiyunxingchaosuhefeidaishigudezuoyong。zaishusongdaisudujiangzhiedingsudushi,kongzhixitongguanbiyoulufa,zaidanhuangzuoyongxia,guntongtaiqi,shusongdaicongshouyabianxinghuifuchengziyouzhixianzhuangtai。
7、沿線保護裝置
這種裝置的作用是在帶式輸送機的任意部位均能人為停止輸送機運轉,以控製帶式輸送機事故出現和擴展。此裝置有兩種:一是按鈕式沿線保護裝置,就是每隔40m~50manzhuangyigejinjitingjianniu,jierendaishishusongjikongzhixitong,ershilaxianshiyanxianbaohuzhuangzhi,jiyanxianjitingkaiguan。yongtiesihuoxigangsishengkongzhiyigexiaodexingchengkaiguan,jiangxingchengkaiguanjierudaishishusongjikongzhixitong。cizhongbaohuzhuangzhiyibananzhuangyudaishishusongjijijiakaorenxingdaodeyice。
相關輸送機產品:
1、皮帶輸送機
2、刮板輸送機
3、鬥式提升機



