若(ruo)不同(tong)等級(ji)的(de)(de)電纜(lan)(lan)敷設(she)在(zai)同(tong)一電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)時，中間應增加隔板隔離。1、當(dang)鋼制(zhi)直線段長(chang)度超(chao)過30m，鋁合金電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)超(chao)過15m時.或當(dang)電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)經過建筑伸縮(suo)(沉降)縫(feng)時應留有O-30mm補償余量.其連接宜(yi)采(cai)用伸縮(suo)連接板。2、電纜(lan)(lan)梯架(jia)(jia)(jia)、托盤(pan)寬度和高(gao)度的(de)(de)選(xuan)擇應符(fu)合填充(chong)(chong)率的(de)(de)要求(qiu)，電纜(lan)(lan)在(zai)梯架(jia)(jia)(jia)、托盤(pan)內的(de)(de)填充(chong)(chong)率一般情況下(xia)，動力電纜(lan)(lan)可(ke)取40%-50%，控制(zhi)電纜(lan)(lan)可(ke)取50%。70%.且宜(yi)預留l0%一252工程發展裕量。3、在(zai)選(xuan)擇電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)的(de)(de)荷載(zai)(zai)等級(ji)時如果電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)的(de)(de)支吊架(jia)(jia)(jia)的(de)(de)實際跨距不等于2m時.則工作均布(bu)(bu)荷載(zai)(zai)應滿(man)足:式中qG----工作均布(bu)(bu)荷載(zai)(zai)，kN/m;qE----額定均布(bu)(bu)荷載(zai)(zai)，kN/m;LG----實際跨距，m。電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)可(ke)以根(gen)據需要進(jin)行(xing)不同(tong)形(xing)式的(de)(de)絕緣處理，以提高(gao)電纜(lan)(lan)的(de)(de)安全性能。封閉式電纜(lan)(lan)橋(qiao)架(jia)(jia)(jia)價格

大(da)跨距電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)。當(dang)前大(da)跨距電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)一般是(shi)由拉(la)擠玻璃鋼型材組裝而(er)成，適用(yong)于電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)(lan)、控制電(dian)(dian)(dian)纜(lan)(lan)(lan)、照(zhao)明電(dian)(dian)(dian)纜(lan)(lan)(lan)及配件等(deng)。與鐵制橋(qiao)架(jia)(jia)相比(bi)，具有使用(yong)壽(shou)命長(chang)(一般設(she)計(ji)壽(shou)命為(wei)二十(shi)年)、安裝方(fang)便且(qie)成本低(比(bi)重只為(wei)碳鋼的(de)1/4，施工(gong)中無需動火(huo)，單(dan)(dan)(dan)根(gen)橋(qiao)架(jia)(jia)長(chang)度可達(da)8米(mi)，甚至更長(chang))、切割方(fang)便、不需維護等(deng)優(you)越性(xing)。組合(he)式(shi)電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)。組合(he)式(shi)電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)是(shi)一種新(xin)(xin)型橋(qiao)架(jia)(jia)，是(shi)電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)系列中的(de)第二代產(chan)品。它適用(yong)各(ge)項工(gong)程、各(ge)種單(dan)(dan)(dan)位、各(ge)種電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)敷設(she)，它具有結構簡單(dan)(dan)(dan)、配置靈(ling)活、安裝方(fang)便、形式(shi)新(xin)(xin)穎等(deng)特點。江(jiang)蘇(su)封閉式(shi)電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)工(gong)作原理電(dian)(dian)(dian)纜(lan)(lan)(lan)橋(qiao)架(jia)(jia)可以應用(yong)于高溫和惡劣環境下的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)布線。

橋架系統(tong)(tong)(tong)設計內(nei)容，橋架系統(tong)(tong)(tong)工(gong)程設計應與(yu)土建、工(gong)藝以(yi)及(ji)有關(guan)專業(ye)密切相配合以(yi)確(que)定較佳(jia)布置，其設計內(nei)容可(ke)含有：1、橋架系統(tong)(tong)(tong)的(de)有關(guan)剖面圖。2、橋架系統(tong)(tong)(tong)的(de)平面布置圖。3、橋架系統(tong)(tong)(tong)所需直線(xian)(xian)(xian)段、彎通、支(zhi)、吊架規格(ge)和數量的(de)明(ming)(ming)細表以(yi)及(ji)必(bi)要(yao)的(de)說(shuo)明(ming)(ming)。4、有特(te)殊要(yao)求(qiu)的(de)非標件技術(shu)說(shuo)明(ming)(ming)或示意圖。電(dian)纜橋架的(de)安(an)裝，電(dian)纜橋架施工(gong)順序(xu)如下：進行測(ce)量定位(wei)→支(zhi)吊架制作安(an)裝→橋架安(an)裝→接(jie)地(di)處理電(dian)纜橋架選型(xing)設計：強(qiang)、弱電(dian)線(xian)(xian)(xian)路應分(fen)槽(cao)(cao)敷設，強(qiang)、弱電(dian)在分(fen)線(xian)(xian)(xian)盒(箱)交叉時(shi)必(bi)須采用金屬(shu)分(fen)離板隔開，強(qiang)、弱電(dian)的(de)導線(xian)(xian)(xian)不(bu)得在線(xian)(xian)(xian)槽(cao)(cao)內(nei)直接(jie)接(jie)觸(chu)。地(di)面線(xian)(xian)(xian)槽(cao)(cao)內(nei)的(de)各種配線(xian)(xian)(xian)只允(yun)許在分(fen)線(xian)(xian)(xian)盒出線(xian)(xian)(xian)口處接(jie)頭。

如與(yu)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)合(he)(he)用(yong)時(shi),應將電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)和弱(ruo)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)纜(lan)(lan)各(ge)直一側,中(zhong)間(jian)采(cai)用(yong)隔板分(fen)隔。弱(ruo)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)纜(lan)(lan)與(yu)其(qi)它低電(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)纜(lan)(lan)合(he)(he)用(yong)橋(qiao)(qiao)(qiao)架(jia)(jia)時(shi),應嚴格執(zhi)行選擇具有外(wai)屏蔽層的(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)系統(tong)的(de)(de)弱(ruo)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)纜(lan)(lan),避(bi)免相互間(jian)的(de)(de)干擾。其(qi)它安(an)裝：(1)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)由室外(wai)進入(ru)建筑物內時(shi),橋(qiao)(qiao)(qiao)架(jia)(jia)向外(wai)的(de)(de)坡度不得小(xiao)于1/100。(2)電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)與(yu)用(yong)電(dian)(dian)(dian)(dian)設備交越時(shi),其(qi)間(jian)的(de)(de)凈(jing)距不小(xiao)于0.5m。(3)兩組電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)在同一高(gao)度平行敷設時(shi),其(qi)間(jian)凈(jing)距不小(xiao)于0.6m。(4)在平行圖(tu)上繪出橋(qiao)(qiao)(qiao)架(jia)(jia)的(de)(de)路由,要(yao)注(zhu)(zhu)明橋(qiao)(qiao)(qiao)架(jia)(jia)起點、終(zhong)點、拐彎(wan)點、分(fen)支點及(ji)升降(jiang)點的(de)(de)坐(zuo)標或定位尺(chi)寸(cun)、標高(gao),如能(neng)繪 制橋(qiao)(qiao)(qiao)架(jia)(jia)敷設軸側圖(tu),則對(dui)材料統(tong)計(ji)將更精(jing)確(que)。直線段:注(zhu)(zhu)明全長(chang)、橋(qiao)(qiao)(qiao)架(jia)(jia)層數、標高(gao)、型號及(ji)規格。拐彎(wan)點和分(fen)支點:注(zhu)(zhu)明所用(yong)轉彎(wan)接(jie)板的(de)(de)型號及(ji)規格。升降(jiang)段:注(zhu)(zhu)明標高(gao)變化,也可(ke)用(yong)局(ju)部大樣圖(tu)或剖面(mian)圖(tu)表示。電(dian)(dian)(dian)(dian)纜(lan)(lan)橋(qiao)(qiao)(qiao)架(jia)(jia)可(ke)以(yi)根據需要(yao)進行不同形(xing)式(shi)的(de)(de)連(lian)接(jie)處理，以(yi)方便電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)安(an)裝和拆卸(xie)。

電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)材質(zhi)選擇，電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)材質(zhi)是(shi)電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)工(gong)(gong)程(cheng)設計常見的(de)另外一(yi)個問(wen)題(ti)。按照(zhao)材料劃(hua)分，電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)主要有鋼(gang)(gang)(gang)(gang)制、玻璃(li)鋼(gang)(gang)(gang)(gang)和(he)鋁合金幾(ji)種。玻璃(li)鋼(gang)(gang)(gang)(gang)電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)特點是(shi)質(zhi)量(liang)輕(qing)，比(bi)重只(zhi)為(wei)碳(tan)鋼(gang)(gang)(gang)(gang)的(de)1/4;耐水(shui)性和(he)耐腐蝕性好，適合化(hua)工(gong)(gong)廠。不(bu)易燃燒，難燃型玻璃(li)鋼(gang)(gang)(gang)(gang)電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)氧指數≥32。使(shi)用(yong)壽(shou)命長，一(yi)般設計壽(shou)命為(wei)20年(nian)，但(dan)價格是(shi)鋼(gang)(gang)(gang)(gang)制電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)3倍。施工(gong)(gong)的(de)優越性在(zai)于切割方便、組裝(zhuang)靈活，安(an)(an)裝(zhuang)無需動火，這對于爆(bao)裂危(wei)險環境并(bing)且工(gong)(gong)程(cheng)工(gong)(gong)期緊張(zhang)的(de)化(hua)工(gong)(gong)廠工(gong)(gong)程(cheng)意(yi)義尤其重大，因為(wei)在(zai)爆(bao)裂危(wei)險環境，工(gong)(gong)程(cheng)動火安(an)(an)裝(zhuang)時化(hua)工(gong)(gong)廠必須(xu)停產，經(jing)濟(ji)效益必受影(ying)響(xiang)。鋁合金電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)重量(liang)也很輕(qing)，由于鋁、鋼(gang)(gang)(gang)(gang)比(bi)重不(bu)同(Al=2.7，Fe=7.86)，按重量(liang)計算，鋁鋼(gang)(gang)(gang)(gang)之比(bi)約為(wei)1:3。鋁合金電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)外形尺寸、荷載特性均與鋼(gang)(gang)(gang)(gang)質(zhi)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)基(ji)本相(xiang)近。就(jiu)費用(yong)而言(yan)，鋁合金橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)造價比(bi)鍍(du)鋅鋼(gang)(gang)(gang)(gang)制電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)要高20%，使(shi)用(yong)壽(shou)命是(shi)鋼(gang)(gang)(gang)(gang)制電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)5倍以(yi)上(shang)。電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)可(ke)以(yi)提供電(dian)纜(lan)(lan)(lan)(lan)(lan)的(de)安(an)(an)全通道(dao)和(he)路徑。江蘇封閉式電(dian)纜(lan)(lan)(lan)(lan)(lan)橋(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)工(gong)(gong)作原理

電(dian)纜橋(qiao)架可以提供良好(hao)的通(tong)風和散熱效果，保護電(dian)纜免受過熱的影響(xiang)。封閉(bi)式電(dian)纜橋(qiao)架價格

電(dian)(dian)(dian)(dian)(dian)纜(lan)橋(qiao)架結構形式(shi)(shi)及選(xuan)用原則：托盤式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)纜(lan)橋(qiao)架（簡稱：托盤）。托盤式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)纜(lan)橋(qiao)架在(zai)工(gong)業與民(min)用建筑中應用較(jiao)普(pu)遍的(de)一種。它具有重量(liang)輕、載荷大、造型美觀、結構簡單、安(an)(an)裝方(fang)便等優點。既適(shi)用于(yu)較(jiao)小直徑的(de)強電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)安(an)(an)裝，也適(shi)合于(yu)弱(ruo)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)敷設(she)。工(gong)程中托盤有帶蓋(gai)(gai)和不帶蓋(gai)(gai)兩種敷設(she)方(fang)式(shi)(shi)，無(wu)(wu)蓋(gai)(gai)托盤散熱性(xing)能好(hao)，但(dan)落灰塵清掃(sao)麻煩，通(tong)常用于(yu)無(wu)(wu)塵或少塵場所，否則應采用帶蓋(gai)(gai)托盤。托盤選(xuan)用原則如下(xia)：（1）普(pu)通(tong)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)、通(tong)信(xin)電(dian)(dian)(dian)(dian)(dian)纜(lan)布(bu)線可采用托盤布(bu)線，但(dan)無(wu)(wu)蓋(gai)(gai)托盤不允許在(zai)悶頂或吊(diao)頂內敷設(she)；（2）750℃、1.5h的(de)耐火(huo)電(dian)(dian)(dian)(dian)(dian)纜(lan)可采用有蓋(gai)(gai)托盤布(bu)線，但(dan)外(wai)殼要采取防火(huo)措施。封閉(bi)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)纜(lan)橋(qiao)架價格(ge)

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