由於輸送機的製動閘設在機頭處,在機尾處或其它地方掐鏈條時需要不斷地傳信號,非常不方便,操作時很不安全,若采用5t手shou拉la葫hu蘆lu緊jin鏈lian子zi等deng,速su度du太tai慢man,效xiao率lv低di。鑒jian於yu以yi上shang原yuan因yin,大da平ping煤mei礦kuang與yu鶴he壁bi市shi安an隆long輸shu送song設she備bei製zhi造zao有you限xian公gong司si共gong同tong設she計ji製zhi作zuo了le一yi種zhong邊bian雙shuang鏈lian刮gua板ban輸shu送song機ji鏈lian條tiao拆chai裝zhuang機ji,解jie決jue了le以yi上shang難nan題ti。
1、目前大平煤礦掐接輸送機工藝
1)掐接輸送機工藝
一yi種zhong掐qia接jie方fang法fa是shi由you專zhuan職zhi司si機ji將jiang刮gua板ban輸shu送song機ji上shang的de積ji煤mei運yun行xing至zhi空kong載zai狀zhuang態tai,再zai將jiang刮gua板ban鏈lian短duan節jie開kai到dao機ji頭tou處chu的de最zui佳jia位wei置zhi,用yong兩liang根gen備bei用yong鏈lian條tiao的de一yi端duan分fen別bie鎖suo在zai機ji頭tou兩liang側ce,鏈lian條tiao後hou端duan用yong∮20 mm×∮70 mm螺栓並聯鎖在刮板輸送機鏈條的立齒上,螺栓與鏈條要固定牢固。然後把控製開關手柄旋轉為“逆轉”fangxiang,youzhuanzhisijicaozuokongzhianniu,xianjiangtingzhianniuanxia,fenlizhuangtaikaiguanbuxihe,zaiyonglingyizhishouanzhuqidonganniu,ranhoubutingdilianxudiandongtingzhianniu,shijiechuqibuduanxihe,zheyangguabanshusongjijiumanmanyidong。lingwaiyirenzaijitouzuocehuoyoucechu,yishouqialianhuan、一(yi)手(shou)掐(qia)鏈(lian)條(tiao),在(zai)開(kai)關(guan)不(bu)停(ting)啟(qi)動(dong)和(he)停(ting)止(zhi)的(de)瞬(shun)間(jian),把(ba)鏈(lian)環(huan)與(yu)鏈(lian)條(tiao)斷(duan)開(kai),鏈(lian)條(tiao)掐(qia)開(kai)後(hou),把(ba)鏈(lian)輪(lun)上(shang)的(de)鏈(lian)條(tiao)拆(chai)除(chu)掉(diao)。煤(mei)巷(xiang)掘(jue)進(jin)工(gong)作(zuo)麵(mian)需(xu)將(jiang)刮(gua)板(ban)輸(shu)送(song)機(ji)往(wang)後(hou)延(yan)伸(shen)時(shi),機(ji)尾(wei)的(de)前(qian)一(yi)節(jie)中(zhong)部(bu)槽(cao)處(chu)把(ba)鏈(lian)條(tiao)斷(duan)開(kai),機(ji)尾(wei)往(wang)後(hou)移(yi)動(dong),將(jiang)新(xin)增(zeng)加(jia)的(de)中(zhong)部(bu)槽(cao)和(he)刮(gua)板(ban)鏈(lian)接(jie)住(zhu),緊(jin)鏈(lian)後(hou)試(shi)運(yun)行(xing),正(zheng)常(chang)後(hou)方(fang)可(ke)運(yun)轉(zhuan)。
另一種掐接方法是用5t手拉葫蘆掐接時,首先將中間的一個刮板拆除掉,再用手拉葫蘆的吊鉤將刮板輸送機的第一個刮板掛住,後用手拉葫蘆的大鏈捆綁第3個刮板,然後1名操作工人緊鏈子,在刮板輸送機越拉越緊時,需要2—3名操作工緊鏈,這種方法需耗時25~30 min。
2)掐接輸送機時注意事項
(1)掐輸送機時必須把控製開關手把打至零位並加以閉鎖,懸掛停電牌;
(2)掐接輸送機作業時,刮板輸送機上的雜物必須清理幹淨;
(3)在進行刮板輸送機掐、接鏈作業時,人員必須躲離鏈條受力方向,以免斷鏈傷人;
(4)機電工檢查按鈕是否靈敏可靠,掐開鏈子後開關上鎖,保證安全;
(5)掐接輸送機時必須由當班機修工和溜子司機工相互配合進行;
(6)qiajieshusongjishibixuyouzhuanzhideshusongjisijiqidongkaiguan,qidongqianbixuyuqitajixiugonggoutonghoufangkeqidongkaiguan,suoyourenyuanbixuyuanliguabanshusongji,bimianzaochengrenyuanjishang;
(7)遠距離延伸機尾時,必須利用信號,不能用礦燈、喊話等方式傳遞信號。
2、邊雙鏈刮板輸送機鏈條拆裝機
1)拆裝機結構
bianshuanglianguabanshusongjiliantiaochaizhuangji,zhuyaoshicaiyongqianjinding,tuidongheshouhuizuoyouhengbizuowangfuyunxing。zaihengliangshangzhuangyouyuliantiaolianjiedekeshensuoguagou,shixianliantiaodeshensuo,dadaochaizhuangliantiaodemude。gaizhuangzhidongliyuanweiSDB55型手動液壓泵,內置三位四通閥使液力通過管路驅動油缸作往複運動。該裝置由活塞杆、千斤頂、掛鉤、左、右橫梁、油管、換向閥、手動液壓泵等組成,其結構如圖1所示。
2)性能參數
最大牽引力/kN 60
鏈條間距/mm 500
圓鏈環規格/mm 18×64
工作行程/mm 0~500
最大工作壓力/MPa 55
3)工作原理
在生產過程中,當刮板輸送機需要延深或需要拆裝鏈時,首先切斷電源,將控製開關手把打至“零”位(wei)並(bing)加(jia)以(yi)閉(bi)鎖(suo),懸(xuan)掛(gua)停(ting)電(dian)牌(pai)。兩(liang)名(ming)職(zhi)工(gong)將(jiang)該(gai)裝(zhuang)置(zhi)運(yun)到(dao)延(yan)深(shen)或(huo)掐(qia)接(jie)的(de)位(wei)置(zhi),其(qi)中(zhong)一(yi)人(ren)先(xian)將(jiang)該(gai)位(wei)置(zhi)的(de)一(yi)塊(kuai)連(lian)接(jie)刮(gua)板(ban)鏈(lian)環(huan)螺(luo)栓(shuan)去(qu)除(chu),取(qu)下(xia)刮(gua)板(ban),再(zai)將(jiang)兩(liang)個(ge)加(jia)強(qiang)橫(heng)梁(liang)放(fang)到(dao)適(shi)當(dang)位(wei)置(zhi),如(ru)圖(tu)2所示。
然後將連接鉤爪插入刮板鏈內並把連接鉤爪手柄掰向一側鎖住,使連接鉤爪不能自行退回,要保持兩個加強橫梁平行布置;接著,把手壓泵的膠管連接到千斤頂的上Tqiangliangjiekoushang,tongshijiangqianjindingfangzailianggejiaqianghengliangzhijian,zheshibashouyabengdehuanxiangfabandaoqianjindingshenchuweizhi,bandongshouyabengshiqianjindinghuosaiganshenchu。yongyuanzhuxiaoyujiaqianghenglianglianjiehao,zaibashouyabenghuanxiangfabandaoqianjindingshouhuiweizhi,bandongshouyabeng,shouhuiqianjindinghuosaigan,ladongjiaqianghengliangzhangjinliantiao,zhidaoliantiaosongdongkeyichaichulianhuanshiweizhi。
這時卸下鏈環,再把換向閥搬到千斤頂位置,伸出千斤頂活塞杆,最後拆下加強梁、千斤頂、膠管等,這時就可以掐接或延深刮板輸送機了。
dangqiajiehuoyanshenjieshuhou,qudiaohuojiachangxiangyingdeguabanlian,xuyaojinlianshi,keyizhongfushangshudongzuo。danqialianshibixuquchulianhuanheguaban,erjielianshixuzhuangshanglianhuanheguaban。
4)使用中注意事項
(1)掛鉤所掛刮板鏈環的節數必須保持一致;
(2)拆裝作業時,嚴禁開動刮板機;
(3)工作期間,鬆開油泵的進氣閥;
(4)接入膠管使用時,應反複打壓幾個循環排空管內的空氣,檢查油箱內的油量,並及時補充液壓油;
(5)使用過程中壓力不得超過50 MPa;
(6)使用專用膠管。
3、應用效果
bianshuanglianguabanshusongjiliantiaochaizhuangjishiyizhongzhuanyongdexinxingguabanjiliantiaochaizhuangshebei,shiyongyumeikuangbianshuanglianguabanshusongjiguabanjiliantiaodelianjieyuchaikai,caozuojiandan,shiyonganquan,xianzhutigaogongzuoxiaolv。gaijizaijuejingongzuomiantourushiyonghou,xiaochuleyinchaizhuangliantiaodaozhigongrenshangcandexianxiang,tongshiyexiaochulepinfanqidongduidiandongjizaochengdechongji,jianshaoleyinqidongdianliuzaochengdedaliangnenghao,zengjiadiandongjijijiechuqideshiyongshouming,juyoujiaogaotuiguangshiyongjiazhi。



