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    低空滑觸線輸電方案

    發布時間: 2023-02-08  點擊次數: 454次

    滑觸線輸(shu)電(dian)(dian)工(gong)作原理為:在集裝箱(xiang)堆場架設 由(you)城市(shi)電(dian)(dian)網供(gong)電(dian)(dian)的(de)滑觸線供(gong)電(dian)(dian)線路?當龍門(men)(men)吊(diao)在 箱(xiang)區(qu)內(nei)作業時?關閉自帶的(de)柴(chai)(chai)油發(fa)電(dian)(dian)機組(zu)(zu)?所需 電(dian)(dian)力(li)(li)由(you)滑觸線供(gong)給?龍門(men)(men)吊(diao)沿滑觸線移動?實現(xian)(xian) 對整個(ge)箱(xiang)區(qu)的(de)工(gong)作覆蓋。當龍門(men)(men)吊(diao)需轉(zhuan)場到另一 箱(xiang)區(qu)作業時?則拔下插(cha)頭切(qie)斷電(dian)(dian)源與龍門(men)(men)吊(diao)的(de)聯系,改(gai)由(you)小(xiao)功率柴(chai)(chai)油發(fa)電(dian)(dian)機組(zu)(zu)供(gong)電(dian)(dian)并(bing)實現(xian)(xian)轉(zhuan)場。 轉(zhuan)到堆場后(hou),柴(chai)(chai)油發(fa)電(dian)(dian)機組(zu)(zu)停止工(gong)作,插(cha)上 插(cha)頭動力(li)(li)重新切(qie)換為滑觸線供(gong)電(dian)(dian)。

    供(gong)(gong)電(dian)(dian)(dian)(dian)的(de)(de)(de)線(xian)路走勢是(shi):從(cong)供(gong)(gong)電(dian)(dian)(dian)(dian)站引高壓(ya)電(dian)(dian)(dian)(dian)源如(ru) 10kV至現(xian)場堆場?經(jing)堆場內(nei)(nei)變(bian)(bian)壓(ya)器(qi)變(bian)(bian)成龍(long)門(men)(men)吊所 需的(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)如(ru) 440V到各條滑觸(chu)線(xian)前的(de)(de)(de)電(dian)(dian)(dian)(dian)源柜內(nei)(nei)?電(dian)(dian)(dian)(dian) 源柜內(nei)(nei)一般(ban)設(she)有用(yong)于(yu)保護(hu)的(de)(de)(de)斷路器(qi)?經(jing)斷路器(qi)直 接接到架(jia)設(she)于(yu)立(li)架(jia)上(shang)的(de)(de)(de)銅(tong)滑線(xian)上(shang)供(gong)(gong) 3相 4線(xian)電(dian)(dian)(dian)(dian)源? 經(jing)集(ji)電(dian)(dian)(dian)(dian)小(xiao)(xiao)車和供(gong)(gong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)纜供(gong)(gong)電(dian)(dian)(dian)(dian)到龍(long)門(men)(men)吊?龍(long)門(men)(men)吊大(da) 車上(shang)設(she)置牽引裝置?牽引著滑觸(chu)小(xiao)(xiao)車隨(sui)龍(long)門(men)(men)吊大(da) 車一起滑走?以(yi)實現(xian)龍(long)門(men)(men)吊滑觸(chu)供(gong)(gong)電(dian)(dian)(dian)(dian)方式(shi)。滑觸(chu) 線(xian)輸電(dian)(dian)(dian)(dian)方式(shi)類似于(yu)城(cheng)市無(wu)軌(gui)電(dian)(dian)(dian)(dian)車方式(shi)。

    目前?低空滑(hua)觸線(xian)高(gao)度的(de)設(she)置一(yi)般(ban)有 2種(zhong)(zhong): 一(yi)種(zhong)(zhong)高(gao)度約為(wei) 3?5m左右?主要考(kao)(kao)慮(lv)的(de)是安全需(xu) 要;另(ling)一(yi)種(zhong)(zhong)高(gao)度約為(wei)2?5m左右?主要考(kao)(kao)慮(lv)到維修 的(de)方(fang)便性;2種(zhong)(zhong)高(gao)度各(ge)有利弊?主要是適(shi)合于(yu)各(ge)自(zi) 碼(ma)頭(tou)自(zi)身的(de)需(xu)要。此(ci)外?滑(hua)觸線(xian)的(de)布置方(fang)式(shi)(shi)(shi)也有 2 種(zhong)(zhong):1種(zhong)(zhong)為(wei)單排(pai)(pai)(pai)的(de)供(gong)(gong)電(dian)方(fang)式(shi)(shi)(shi)?即(ji)立(li)架上只設(she)一(yi)排(pai)(pai)(pai)的(de) 滑(hua)觸線(xian)供(gong)(gong)電(dian);另(ling) 1種(zhong)(zhong)為(wei)雙(shuang)排(pai)(pai)(pai)的(de)供(gong)(gong)電(dian)方(fang)式(shi)(shi)(shi)?即(ji)立(li)架 上設(she)左右 2排(pai)(pai)(pai)的(de)滑(hua)觸線(xian)供(gong)(gong)電(dian)?每一(yi)排(pai)(pai)(pai)都裝(zhuang)設(she) 3相(xiang) 4 線(xian)的(de)銅滑(hua)線(xian)?以(yi)供(gong)(gong) 2倍數量(liang)的(de)龍門吊工作(zuo)?此(ci)種(zhong)(zhong) 龍門吊的(de)工作(zuo)狀態熟稱(cheng) “背靠背 " 工作(zuo)方(fang)式(shi)(shi)(shi)。

    低(di)空(kong)滑(hua)觸(chu)線(xian)輸電(dian)工作方式的(de)特點為(wei): (1) 滑(hua)線(xian)架(jia)占用堆場空(kong)間?布置要求(qiu)嚴; (2) 安全要求(qiu)較高(gao)?除設(she)(she)置一(yi)定的(de)防碰撞措 施外?需規定相關(guan)的(de)安全規章(zhang)條例; (3) 一(yi)般(ban)設(she)(she)置供電(dian)區(qu)域要封(feng)閉?同(tong)時(shi)需加裝 防護裝置及(ji)(ji)提示標(biao)志?以防碰撞; (4) 對龍門(men)操作性能(neng)有(you)一(yi)定要求(qiu)?除了要 求(qiu)龍門(men)吊(diao)有(you)良好(hao)的(de)大車糾(jiu)偏(pian)能(neng)力外?還需設(she)(she)置糾(jiu) 偏(pian)及(ji)(ji)防碰撞安全保(bao)護措施; (5) 一(yi)般(ban)在整(zheng)條滑(hua)觸(chu)線(xian)的(de)末(mo)端設(she)(she)置龍門(men)吊(diao)大 車行走減速保(bao)護及(ji)(ji)終點限位保(bao)護?以避免龍門(men)吊(diao) 開出(chu)滑(hua)觸(chu)線(xian)供電(dian)的(de)區(qu)域; (6) 低(di)空(kong)滑(hua)觸(chu)線(xian)經過一(yi)定時(shi)間運(yun)行后需更換碳刷?但工作量較低(di)?出(chu)于安全性考慮?平常(chang)需 一(yi)定量維護。

    低空(kong)滑觸(chu)(chu)線(xian)供(gong)電(dian)(dian)方(fang)案(an)的(de)優點有: (1) 配置相對簡(jian)單?供(gong)電(dian)(dian)質量(liang)高?輸電(dian)(dian)線(xian)路(lu) 損耗(hao)少?經現(xian)場(chang)(chang)的(de)測試?滑觸(chu)(chu)線(xian)到龍門(men)(men)(men)(men)吊(diao)(diao)上(shang)(shang)的(de)電(dian)(dian) 壓(ya)壓(ya)降幾乎為(wei) 0; (2) 龍門(men)(men)(men)(men)吊(diao)(diao)改動(dong)(dong)量(liang)少?只需加裝一(yi)個插座插 上(shang)(shang)滑觸(chu)(chu)線(xian)的(de)電(dian)(dian)源就可(ke); (3) 可(ke)取(qu)消(xiao)龍門(men)(men)(men)(men)吊(diao)(diao)上(shang)(shang)配備的(de)發(fa)動(dong)(dong)機(ji)組? 或為(wei)轉場(chang)(chang)及(ji)(ji)換箱(xiang)區(qu)需要(yao)配一(yi)臺 120kW 功率的(de)小型 發(fa)動(dong)(dong)機(ji)即可(ke); (4) 同一(yi)場(chang)(chang)區(qu)后續(xu)龍門(men)(men)(men)(men)吊(diao)(diao)直接接入(ru)滑觸(chu)(chu)線(xian)上(shang)(shang) 的(de)供(gong)電(dian)(dian)電(dian)(dian)纜后就可(ke)工(gong)作?不需增加額外的(de)費用; (5) 節能減排性:低空(kong)滑觸(chu)(chu)線(xian)節能量(liang)為(wei) 70% ~80%?消(xiao)除噪(zao)聲及(ji)(ji)廢氣; (6) 投資成本相對不高?投資回收期約為(wei) 1?5~2?5年。 低空(kong)滑觸(chu)(chu)線(xian)供(gong)電(dian)(dian)方(fang)案(an)的(de)缺(que)點有: (1) 一(yi)般滑觸(chu)(chu)線(xian)在 2箱(xiang)區(qu)間不連續(xu)?龍門(men)(men)(men)(men)吊(diao)(diao) 換箱(xiang)區(qu)、過河(he)時(shi)需人(ren)工(gong)插、拔插頭重上(shang)(shang)電(dian)(dian); (2) 龍門(men)(men)(men)(men)吊(diao)(diao)轉場(chang)(chang)走(zou) 90°時(shi)?需有發(fa)動(dong)(dong)機(ji)動(dong)(dong)力供(gong) 電(dian)(dian)以(yi)支持(chi)龍門(men)(men)(men)(men)吊(diao)(diao)的(de)大車行走(zou); (3) 安全(quan)問題需常抓不怠(dai)。


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