若(ruo)不同等级的(de)电(dian)(dian)(dian)缆(lan)(lan)(lan)敷设在同一(yi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)时(shi)，中间应(ying)(ying)增(zeng)加隔板隔离。1、当钢(gang)制(zhi)直线段长度超(chao)过(guo)(guo)30m，铝合金(jin)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)超(chao)过(guo)(guo)15m时(shi).或当电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)经过(guo)(guo)建筑伸缩(suo)(沉降)缝时(shi)应(ying)(ying)留(liu)有O-30mm补(bu)偿余量.其连接(jie)宜采用伸缩(suo)连接(jie)板。2、电(dian)(dian)(dian)缆(lan)(lan)(lan)梯架(jia)、托盘宽度和高度的(de)选择(ze)应(ying)(ying)符合填充率的(de)要求(qiu)，电(dian)(dian)(dian)缆(lan)(lan)(lan)在梯架(jia)、托盘内的(de)填充率一(yi)般(ban)情况下，动(dong)力电(dian)(dian)(dian)缆(lan)(lan)(lan)可(ke)取40%-50%，控制(zhi)电(dian)(dian)(dian)缆(lan)(lan)(lan)可(ke)取50%。70%.且宜预留(liu)l0%一(yi)252工程发展裕量。3、在选择(ze)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)的(de)荷(he)载(zai)(zai)(zai)等级时(shi)如果电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)的(de)支吊架(jia)的(de)实(shi)际(ji)跨距不等于2m时(shi).则(ze)工作均布荷(he)载(zai)(zai)(zai)应(ying)(ying)满足(zu):式中qG----工作均布荷(he)载(zai)(zai)(zai)，kN/m;qE----额(e)定均布荷(he)载(zai)(zai)(zai)，kN/m;LG----实(shi)际(ji)跨距，m。电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)可(ke)以(yi)根据(ju)需(xu)要进行不同形(xing)式的(de)绝缘(yuan)处理，以(yi)提高电(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)安全性能。封(feng)闭式电(dian)(dian)(dian)缆(lan)(lan)(lan)桥架(jia)价格(ge)

大跨(kua)(kua)距(ju)电(dian)缆(lan)桥(qiao)架。当前大跨(kua)(kua)距(ju)电(dian)缆(lan)桥(qiao)架一般是(shi)由拉挤玻(bo)璃(li)钢型(xing)材组装(zhuang)而成，适用于电(dian)力电(dian)缆(lan)、控(kong)制电(dian)缆(lan)、照明电(dian)缆(lan)及配件等。与铁制桥(qiao)架相比，具(ju)有(you)使用寿(shou)命(ming)(ming)长(一般设计寿(shou)命(ming)(ming)为二十年)、安(an)装(zhuang)方(fang)便且成本低(di)(比重只为碳钢的(de)(de)1/4，施工中无需动火(huo)，单根桥(qiao)架长度可达8米，甚(shen)至(zhi)更长)、切(qie)割(ge)方(fang)便、不需维护等优越(yue)性。组合式(shi)电(dian)缆(lan)桥(qiao)架。组合式(shi)电(dian)缆(lan)桥(qiao)架是(shi)一种(zhong)新型(xing)桥(qiao)架，是(shi)电(dian)缆(lan)桥(qiao)架系列中的(de)(de)第二代产品。它适用各项工程、各种(zhong)单位(wei)、各种(zhong)电(dian)缆(lan)的(de)(de)敷设，它具(ju)有(you)结(jie)构简单、配置灵活、安(an)装(zhuang)方(fang)便、形式(shi)新颖等特(te)点。江苏封闭式(shi)电(dian)缆(lan)桥(qiao)架工作原(yuan)理电(dian)缆(lan)桥(qiao)架可以应(ying)用于高温和恶劣(lie)环境下的(de)(de)电(dian)缆(lan)布线。

桥(qiao)(qiao)(qiao)架系(xi)统(tong)设(she)计内(nei)容(rong)，桥(qiao)(qiao)(qiao)架系(xi)统(tong)工(gong)程设(she)计应与土(tu)建、工(gong)艺以(yi)(yi)及有关专(zhuan)业密(mi)切(qie)相配(pei)合(he)以(yi)(yi)确(que)定(ding)较佳布置，其设(she)计内(nei)容(rong)可含有：1、桥(qiao)(qiao)(qiao)架系(xi)统(tong)的(de)有关剖面(mian)图(tu)(tu)。2、桥(qiao)(qiao)(qiao)架系(xi)统(tong)的(de)平(ping)面(mian)布置图(tu)(tu)。3、桥(qiao)(qiao)(qiao)架系(xi)统(tong)所需直线段(duan)、弯(wan)通(tong)、支、吊架规格和数量的(de)明(ming)细表以(yi)(yi)及必要的(de)说明(ming)。4、有特殊要求的(de)非标件技术说明(ming)或(huo)示意图(tu)(tu)。电(dian)(dian)缆桥(qiao)(qiao)(qiao)架的(de)安(an)装(zhuang)(zhuang)，电(dian)(dian)缆桥(qiao)(qiao)(qiao)架施工(gong)顺序(xu)如下：进行测量定(ding)位→支吊架制作安(an)装(zhuang)(zhuang)→桥(qiao)(qiao)(qiao)架安(an)装(zhuang)(zhuang)→接(jie)地处(chu)理(li)电(dian)(dian)缆桥(qiao)(qiao)(qiao)架选(xuan)型设(she)计：强(qiang)、弱(ruo)电(dian)(dian)线路应分槽敷设(she)，强(qiang)、弱(ruo)电(dian)(dian)在(zai)分线盒(箱)交叉时必须(xu)采用金属分离板隔(ge)开，强(qiang)、弱(ruo)电(dian)(dian)的(de)导线不(bu)得在(zai)线槽内(nei)直接(jie)接(jie)触。地面(mian)线槽内(nei)的(de)各种配(pei)线只允许(xu)在(zai)分线盒出线口处(chu)接(jie)头(tou)。

如与(yu)电(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)合(he)用(yong)时,应将(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)和(he)弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)各(ge)直一(yi)侧,中(zhong)间(jian)采用(yong)隔板分(fen)隔。弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)与(yu)其它低(di)电(dian)(dian)(dian)(dian)(dian)(dian)压电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)合(he)用(yong)桥(qiao)架(jia)(jia)时,应严(yan)格(ge)执(zhi)行(xing)选择具有(you)外屏蔽层的(de)(de)(de)(de)弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)系统的(de)(de)(de)(de)弱(ruo)(ruo)电(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan),避免相互间(jian)的(de)(de)(de)(de)干扰。其它安装(zhuang)(zhuang)：(1)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)由(you)室外进入建筑(zhu)物(wu)内(nei)时,桥(qiao)架(jia)(jia)向外的(de)(de)(de)(de)坡度不得小于(yu)1/100。(2)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)与(yu)用(yong)电(dian)(dian)(dian)(dian)(dian)(dian)设(she)备交(jiao)越(yue)时,其间(jian)的(de)(de)(de)(de)净(jing)距不小于(yu)0.5m。(3)两组电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)在(zai)同(tong)一(yi)高(gao)(gao)度平行(xing)敷设(she)时,其间(jian)净(jing)距不小于(yu)0.6m。(4)在(zai)平行(xing)图上绘出桥(qiao)架(jia)(jia)的(de)(de)(de)(de)路(lu)由(you),要注(zhu)明桥(qiao)架(jia)(jia)起点、终点、拐弯点、分(fen)支点及升(sheng)降点的(de)(de)(de)(de)坐标或定(ding)位(wei)尺(chi)寸、标高(gao)(gao),如能绘 制桥(qiao)架(jia)(jia)敷设(she)轴侧图,则对材(cai)料统计(ji)将(jiang)更(geng)精(jing)确。直线段:注(zhu)明全(quan)长(zhang)、桥(qiao)架(jia)(jia)层数、标高(gao)(gao)、型号及规格(ge)。拐弯点和(he)分(fen)支点:注(zhu)明所(suo)用(yong)转弯接板的(de)(de)(de)(de)型号及规格(ge)。升(sheng)降段:注(zhu)明标高(gao)(gao)变化,也可用(yong)局部大样(yang)图或剖(pou)面(mian)图表示(shi)。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)可以根据需要进行(xing)不同(tong)形(xing)式的(de)(de)(de)(de)连接处理(li)，以方(fang)便(bian)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)的(de)(de)(de)(de)安装(zhuang)(zhuang)和(he)拆卸(xie)。

电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)材(cai)(cai)质选择，电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)材(cai)(cai)质是电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)工(gong)程(cheng)(cheng)(cheng)设(she)计常见的(de)(de)(de)(de)(de)另外(wai)一个问题。按照(zhao)材(cai)(cai)料(liao)划(hua)分，电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)主要有钢(gang)制、玻璃钢(gang)和铝(lv)(lv)合(he)金(jin)几种。玻璃钢(gang)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)特点(dian)是质量轻(qing)，比重(zhong)只为(wei)碳钢(gang)的(de)(de)(de)(de)(de)1/4;耐(nai)水性和耐(nai)腐蚀性好，适(shi)合(he)化(hua)工(gong)厂。不易燃烧，难燃型玻璃钢(gang)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)氧指数≥32。使用(yong)(yong)寿(shou)命(ming)长(zhang)，一般设(she)计寿(shou)命(ming)为(wei)20年，但价格是钢(gang)制电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)3倍。施工(gong)的(de)(de)(de)(de)(de)优越性在(zai)于(yu)切割方便、组装灵(ling)活，安(an)装无需动火(huo)，这对于(yu)爆裂危险环(huan)境并且工(gong)程(cheng)(cheng)(cheng)工(gong)期紧张的(de)(de)(de)(de)(de)化(hua)工(gong)厂工(gong)程(cheng)(cheng)(cheng)意(yi)义尤其重(zhong)大，因(yin)为(wei)在(zai)爆裂危险环(huan)境，工(gong)程(cheng)(cheng)(cheng)动火(huo)安(an)装时化(hua)工(gong)厂必须停(ting)产(chan)，经济(ji)效益必受(shou)影响(xiang)。铝(lv)(lv)合(he)金(jin)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)重(zhong)量也很轻(qing)，由于(yu)铝(lv)(lv)、钢(gang)比重(zhong)不同(Al=2.7，Fe=7.86)，按重(zhong)量计算，铝(lv)(lv)钢(gang)之(zhi)比约(yue)为(wei)1:3。铝(lv)(lv)合(he)金(jin)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)外(wai)形(xing)尺寸(cun)、荷载特性均与(yu)钢(gang)质桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)基(ji)本相(xiang)近(jin)。就(jiu)费用(yong)(yong)而言，铝(lv)(lv)合(he)金(jin)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)造价比镀锌钢(gang)制电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)要高20%，使用(yong)(yong)寿(shou)命(ming)是钢(gang)制电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)(de)(de)5倍以上。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)可以提供电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)的(de)(de)(de)(de)(de)安(an)全通道和路(lu)径。江苏封闭式电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)工(gong)作原理

电缆桥架(jia)可(ke)以提(ti)供良好的通风和散(san)热(re)效果，保(bao)护电缆免受过热(re)的影响(xiang)。封闭式电缆桥架(jia)价格

电(dian)缆(lan)桥架结构形式(shi)及选(xuan)用(yong)原则：托(tuo)(tuo)盘(pan)式(shi)电(dian)缆(lan)桥架（简(jian)称：托(tuo)(tuo)盘(pan)）。托(tuo)(tuo)盘(pan)式(shi)电(dian)缆(lan)桥架在(zai)工业与民用(yong)建(jian)筑中(zhong)(zhong)应用(yong)较普(pu)遍的(de)一种。它具有重量轻(qing)、载荷大(da)、造型(xing)美(mei)观、结构简(jian)单、安装方(fang)便等优点。既适用(yong)于(yu)较小直径(jing)的(de)强(qiang)电(dian)电(dian)缆(lan)的(de)安装，也适合于(yu)弱电(dian)电(dian)缆(lan)的(de)敷设。工程中(zhong)(zhong)托(tuo)(tuo)盘(pan)有带(dai)盖(gai)(gai)和不带(dai)盖(gai)(gai)两种敷设方(fang)式(shi)，无盖(gai)(gai)托(tuo)(tuo)盘(pan)散热性能(neng)好，但落灰(hui)尘(chen)(chen)清扫麻烦(fan)，通常用(yong)于(yu)无尘(chen)(chen)或少(shao)尘(chen)(chen)场(chang)所，否则应采用(yong)带(dai)盖(gai)(gai)托(tuo)(tuo)盘(pan)。托(tuo)(tuo)盘(pan)选(xuan)用(yong)原则如(ru)下：（1）普(pu)通电(dian)力电(dian)缆(lan)、通信电(dian)缆(lan)布(bu)线可(ke)采用(yong)托(tuo)(tuo)盘(pan)布(bu)线，但无盖(gai)(gai)托(tuo)(tuo)盘(pan)不允许在(zai)闷(men)顶或吊顶内(nei)敷设；（2）750℃、1.5h的(de)耐火(huo)电(dian)缆(lan)可(ke)采用(yong)有盖(gai)(gai)托(tuo)(tuo)盘(pan)布(bu)线，但外壳要采取(qu)防火(huo)措施。封闭式(shi)电(dian)缆(lan)桥架价格(ge)

本文来自海润达物联科技有(you)限责任公司：//qfd1mz.cn/Article/16f7399910.html