具有(you)外形美观，耐(nai)腐蚀(shi)性(xing)强，通(tong)用性(xing)，安(an)(an)装(zhuang)灵活方便，品种(zhong)(zhong)齐全等(deng)特点。有(you)些则是无(wu)源电(dian)(dian)(dian)(光(guang))缆(lan)(lan)(lan)线(xian)(xian)(xian)(如(ru)数据电(dian)(dian)(dian)缆(lan)(lan)(lan)、视频(pin)同(tong)(tong)轴电(dian)(dian)(dian)缆(lan)(lan)(lan)等(deng))，因(yin)此，在(zai)布线(xian)(xian)(xian)方式(shi)和路(lu)(lu)由(you)选择的(de)(de)排列进行(xing)(xing)设(she)计(ji)时(shi),应(ying)该(gai)加以(yi)区别(bie)(bie)，不(bu)但应(ying)该(gai)符合(he)规范的(de)(de)要(yao)(yao)求，还要(yao)(yao)考(kao)虑布线(xian)(xian)(xian)的(de)(de)安(an)(an)全性(xing)、可扩性(xing)、经济性(xing)和美观，便于(yu)维修，电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)作为承载(zai)各(ge)种(zhong)(zhong)电(dian)(dian)(dian)缆(lan)(lan)(lan)敷(fu)设(she)的(de)(de)载(zai)体，从属于(yu)布线(xian)(xian)(xian)的(de)(de)需要(yao)(yao)，同(tong)(tong)样应(ying)遵循(xun)上述(shu)原则加以(yi)实施。由(you)于(yu)建(jian)筑(zhu)物内(nei)(nei)多种(zhong)(zhong)管线(xian)(xian)(xian)平(ping)行(xing)(xing)交叉，空(kong)间(jian)(jian)有(you)限(xian)(xian)，特别(bie)(bie)是大型(xing)写字楼(lou)、金融商厦、酒店、场馆等(deng)建(jian)筑(zhu)，信息点密(mi)集，缆(lan)(lan)(lan)线(xian)(xian)(xian)敷(fu)设(she)除了采(cai)用楼(lou)板沟槽和墙内(nei)(nei)埋管方式(shi)外，在(zai)竖井和屋内(nei)(nei)天棚(peng)吊(diao)顶(ding)内(nei)(nei)采(cai)用电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)，提供(gong)(gong)不(bu)同(tong)(tong)走向的(de)(de)布线(xian)(xian)(xian)，弱电(dian)(dian)(dian)系统的(de)(de)各(ge)种(zhong)(zhong)缆(lan)(lan)(lan)线(xian)(xian)(xian)分类布放在(zai)桥(qiao)(qiao)架(jia)内(nei)(nei),其佳路(lu)(lu)由(you)选择和安(an)(an)装(zhuang)方式(shi)要(yao)(yao)根据走向的(de)(de)要(yao)(yao)求，并结合(he)建(jian)筑(zhu)结构(gou)(gou)和空(kong)调(diao)、电(dian)(dian)(dian)气等(deng)管线(xian)(xian)(xian)协(xie)商的(de)(de)位置(zhi)加以(yi)确定,无(wu)源缆(lan)(lan)(lan)线(xian)(xian)(xian)不(bu)能与有(you)源电(dian)(dian)(dian)缆(lan)(lan)(lan)并排铺设(she)，受条件所限(xian)(xian)铺放同(tong)(tong)一桥(qiao)(qiao)架(jia)内(nei)(nei)，其间(jian)(jian)必须采(cai)用金属隔板分设(she)，引出的(de)(de)缆(lan)(lan)(lan)线(xian)(xian)(xian)尽(jin)量避(bi)免平(ping)面交叉，桥(qiao)(qiao)架(jia)穿越楼(lou)板，墙体或伸(shen)缩缝时(shi)，应(ying)该(gai)在(zai)建(jian)筑(zhu)图(tu)上标出予留相应(ying)的(de)(de)空(kong)洞和位置(zhi)，避(bi)免因(yin)遗漏(lou)等(deng)到(dao)施工(gong)时(shi)临时(shi)钻空(kong)，可能伤及(ji)土建(jian)结构(gou)(gou)。为了防止电(dian)(dian)(dian)磁(ci)辐射的(de)(de)干扰(EMC)，在(zai)桥(qiao)(qiao)架(jia)的(de)(de)设(she)计(ji)中，应(ying)考(kao)虑桥(qiao)(qiao)架(jia)的(de)(de)封闭性(xing)[1]。三民桥(qiao)(qiao)架(jia)，专业线(xian)(xian)(xian)槽生产厂家，提供(gong)(gong)报价，送货(huo)上门。阳江电(dian)(dian)(dian)缆(lan)(lan)(lan)线(xian)(xian)(xian)槽价格

要(yao)注(zhu)(zhu)明(ming)(ming)桥(qiao)架(jia)(jia)(jia)起点(dian)(dian)(dian)、终点(dian)(dian)(dian)、拐弯(wan)点(dian)(dian)(dian)、分(fen)支(zhi)(zhi)点(dian)(dian)(dian)及(ji)升降点(dian)(dian)(dian)的(de)(de)坐标(biao)或(huo)定(ding)(ding)位尺寸(cun)、标(biao)高(gao)(gao),如能(neng)绘制桥(qiao)架(jia)(jia)(jia)敷(fu)设轴(zhou)侧图(tu),则对材料统计(ji)将更(geng)精确。直(zhi)线(xian)(xian)(xian)(xian)段：注(zhu)(zhu)明(ming)(ming)全长、桥(qiao)架(jia)(jia)(jia)层数、标(biao)高(gao)(gao)、型号及(ji)规格。拐弯(wan)点(dian)(dian)(dian)和(he)分(fen)支(zhi)(zhi)点(dian)(dian)(dian):注(zhu)(zhu)明(ming)(ming)所用(yong)转(zhuan)弯(wan)接板的(de)(de)型号及(ji)规格。升降段：注(zhu)(zhu)明(ming)(ming)标(biao)高(gao)(gao)变化,也可(ke)(ke)用(yong)局部(bu)大(da)样图(tu)或(huo)剖面(mian)图(tu)表(biao)(biao)示。(5)桥(qiao)架(jia)(jia)(jia)支(zhi)(zhi)撑(cheng)点(dian)(dian)(dian),如立柱、托(tuo)臂(bei)或(huo)非标(biao)准支(zhi)(zhi)、构架(jia)(jia)(jia)的(de)(de)间(jian)(jian)距、安装方式(shi)、型号规格、标(biao)高(gao)(gao),可(ke)(ke)同意在(zai)平面(mian)上(shang)列表(biao)(biao)说明(ming)(ming),也可(ke)(ke)分(fen)段标(biao)出(chu)用(yong)不(bu)(bu)同的(de)(de)剖面(mian)图(tu)、单线(xian)(xian)(xian)(xian)图(tu)或(huo)大(da)样图(tu)表(biao)(biao)示。(6)电(dian)缆(lan)(lan)(lan)(lan)(lan)引(yin)下(xia)(xia)(xia)点(dian)(dian)(dian)位置及(ji)引(yin)下(xia)(xia)(xia)方式(shi),一般而言,大(da)批电(dian)缆(lan)(lan)(lan)(lan)(lan)引(yin)下(xia)(xia)(xia)可(ke)(ke)用(yong)垂(chui)(chui)直(zhi)弯(wan)接板和(he)垂(chui)(chui)直(zhi)引(yin)上(shang)架(jia)(jia)(jia),少量(liang)电(dian)缆(lan)(lan)(lan)(lan)(lan)引(yin)下(xia)(xia)(xia)可(ke)(ke)用(yong)导板或(huo)引(yin)管注(zhu)(zhu)明(ming)(ming)引(yin)下(xia)(xia)(xia)方式(shi)即可(ke)(ke)。(7)电(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)架(jia)(jia)(jia)宜高(gao)(gao)出(chu)地面(mian)。(8)电(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)架(jia)(jia)(jia)内(nei)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)垂(chui)(chui)直(zhi)敷(fu)设时,在(zai)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)的(de)(de)上(shang)端(duan)和(he)每间(jian)(jian)隔(ge)(ge)、尾、转(zhuan)弯(wan)及(ji)每间(jian)(jian)隔(ge)(ge)3~5米(mi)处进行固定(ding)(ding)。(9)）在(zai)吊顶内(nei)设置时,槽(cao)(cao)(cao)盖开启面(mian)应(ying)(ying)保持80(毫米(mi)的(de)(de)垂(chui)(chui)直(zhi)净空,线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)截(jie)面(mian)利用(yong)率不(bu)(bu)应(ying)(ying)超过50%。(10)布放在(zai)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)的(de)(de)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)可(ke)(ke)以不(bu)(bu)绑(bang)扎,槽(cao)(cao)(cao)内(nei)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)应(ying)(ying)顺直(zhi),槽(cao)(cao)(cao)内(nei)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)应(ying)(ying)顺直(zhi),尽量(liang)不(bu)(bu)交(jiao)叉,缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)不(bu)(bu)应(ying)(ying)溢(yi)出(chu)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao),在(zai)缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)进出(chu)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)部(bu)位,转(zhuan)弯(wan)处应(ying)(ying)绑(bang)扎固定(ding)(ding)。垂(chui)(chui)直(zhi)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)布放缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)应(ying)(ying)每间(jian)(jian)隔(ge)(ge)(11)在(zai)水平、垂(chui)(chui)直(zhi)桥(qiao)架(jia)(jia)(jia)和(he)垂(chui)(chui)直(zhi)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)中(zhong)敷(fu)设线(xian)(xian)(xian)(xian)时,应(ying)(ying)对缆(lan)(lan)(lan)(lan)(lan)线(xian)(xian)(xian)(xian)进行绑(bang)扎。4对线(xian)(xian)(xian)(xian)电(dian)缆(lan)(lan)(lan)(lan)(lan)以24根为束。佛山铝合金(jin)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)制作(zuo)托(tuo)盘式(shi)线(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)就要(yao)找(zhao)三民桥(qiao)架(jia)(jia)(jia)。

槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)是用(yong)(yong)(yong)整(zheng)张钢板弯(wan)制(zhi)而(er)成(cheng)(cheng)的(de)(de)(de)(de)槽(cao)式(shi)(shi)(shi)(shi)部(bu)件(jian)，其(qi)(qi)概(gai)念上与(yu)盘(pan)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)区别是高、宽(kuan)比不同，盘(pan)架(jia)(jia)(jia)(jia)(jia)(jia)浅(qian)而(er)宽(kuan)，槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)具(ju)(ju)有(you)(you)一(yi)定(ding)的(de)(de)(de)(de)深度和(he)封(feng)(feng)闭(bi)性。中文(wen)名槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)外文(wen)名Troughcablebridge概(gai)念用(yong)(yong)(yong)整(zheng)张钢板弯(wan)制(zhi)而(er)成(cheng)(cheng)的(de)(de)(de)(de)槽(cao)式(shi)(shi)(shi)(shi)部(bu)件(jian)定(ding)义具(ju)(ju)有(you)(you)密(mi)接支(zhi)承电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)的(de)(de)(de)(de)刚性结(jie)构系统(tong)选用(yong)(yong)(yong)应(ying)满(man)足工程环(huan)境和(he)耐久性的(de)(de)(de)(de)要求等(deng)用(yong)(yong)(yong)途全封(feng)(feng)闭(bi)型电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)敷设安装敷设走向应(ying)短捷(jie)且尽量(liang)沿墙等(deng)目录1定(ding)义2简介(jie)3用(yong)(yong)(yong)途4选用(yong)(yong)(yong)要点5安装要点6接地要点槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)定(ding)义编(bian)辑电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)（电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)托架(jia)(jia)(jia)(jia)(jia)(jia)）是由托盘(pan)或梯架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)直(zhi)线段、弯(wan)通、组件(jian)以(yi)及(ji)托臂（臂式(shi)(shi)(shi)(shi)支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)）、吊架(jia)(jia)(jia)(jia)(jia)(jia)等(deng)构成(cheng)(cheng)具(ju)(ju)有(you)(you)密(mi)接支(zhi)承电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)的(de)(de)(de)(de)刚性结(jie)构系统(tong)之(zhi)全称(cheng)。槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)简介(jie)编(bian)辑槽(cao)式(shi)(shi)(shi)(shi)玻璃(li)钢桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)是一(yi)种全封(feng)(feng)闭(bi)型电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)，它适(shi)用(yong)(yong)(yong)于(yu)敷设计算(suan)机电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)、通信电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)、热电(dian)(dian)(dian)(dian)(dian)(dian)偶电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)及(ji)其(qi)(qi)它高灵敏系统(tong)的(de)(de)(de)(de)控(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)等(deng)，它对控(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)的(de)(de)(de)(de)屏蔽干扰和(he)重腐蚀环(huan)境中电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)的(de)(de)(de)(de)防护都有(you)(you)较好效果。而(er)且槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)其(qi)(qi)材质有(you)(you)不锈钢、铝合金、钢质三(san)种。槽(cao)式(shi)(shi)(shi)(shi)玻璃(li)钢桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)护罩随槽(cao)体配(pei)套供货，其(qi)(qi)它配(pei)件(jian)与(yu)梯级(ji)式(shi)(shi)(shi)(shi)、托盘(pan)式(shi)(shi)(shi)(shi)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)通用(yong)(yong)(yong)。表面处理(li)分为镀锌、防火、静电(dian)(dian)(dian)(dian)(dian)(dian)喷塑、热浸锌等(deng)，在(zai)重腐蚀环(huan)境中可特(te)殊(shu)防腐处理(li)[1]。槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)用(yong)(yong)(yong)途编(bian)辑槽(cao)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)可以(yi)用(yong)(yong)(yong)于(yu)全封(feng)(feng)闭(bi)型电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)敷设。

而(er)(er)在项目执行阶(jie)段(duan)(duan)采(cai)购部(bu)门老是和供(gong)(gong)(gong)货(huo)(huo)(huo)商(shang)(shang)签(qian)订增补合(he)同(tong)，从而(er)(er)导致(zhi)总承包(bao)公(gong)司利润(run)的(de)降低。2）错项。原因在于很多设(she)计(ji)人员(yuan)对于一(yi)些(xie)概(gai)念不(bu)清，有的(de)把弯(wan)通(tong)(tong)(tong)、支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)算作附件，有的(de)把盖(gai)(gai)板(ban)当成(cheng)(cheng)主材(cai)。实际上(shang)，电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)“托(tuo)(tuo)架(jia)(jia)(jia)(jia)”包(bao)括直(zhi)(zhi)通(tong)(tong)(tong)和弯(wan)通(tong)(tong)(tong)两部(bu)分。电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)“附件”包(bao)括各种连接(jie)(jie)板(ban)、盖(gai)(gai)板(ban)、隔板(ban)、压板(ban)、终端板(ban)、引下件、紧固件等。附件在材(cai)料表中(zhong)(zhong)不(bu)开列，由供(gong)(gong)(gong)货(huo)(huo)(huo)商(shang)(shang)随(sui)货(huo)(huo)(huo)配(pei)套供(gong)(gong)(gong)应(ying)，成(cheng)(cheng)本打(da)入托(tuo)(tuo)架(jia)(jia)(jia)(jia)的(de)单(dan)价(jia)部(bu)分，工(gong)程中(zhong)(zhong)不(bu)需要(yao)供(gong)(gong)(gong)货(huo)(huo)(huo)商(shang)(shang)单(dan)独报(bao)价(jia)。而(er)(er)“支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)”包(bao)括托(tuo)(tuo)臂、立(li)(li)(li)(li)柱(zhu)(zhu)(zhu)(zhu)、吊(diao)(diao)架(jia)(jia)(jia)(jia)等，需要(yao)单(dan)独开列，工(gong)程中(zhong)(zhong)供(gong)(gong)(gong)货(huo)(huo)(huo)商(shang)(shang)需要(yao)单(dan)独报(bao)价(jia)。3）统(tong)计(ji)量偏差大(da)，通(tong)(tong)(tong)常是数(shu)(shu)(shu)量偏少(shao)。那么(me)工(gong)程报(bao)价(jia)中(zhong)(zhong)如何比较(jiao)准确地统(tong)计(ji)电(dian)(dian)缆(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)材(cai)料呢？一(yi)般而(er)(er)言，托(tuo)(tuo)架(jia)(jia)(jia)(jia)的(de)直(zhi)(zhi)通(tong)(tong)(tong)部(bu)分可考虑(lv)1%～2%的(de)裕(yu)量，弯(wan)通(tong)(tong)(tong)部(bu)分则直(zhi)(zhi)接(jie)(jie)统(tong)计(ji)数(shu)(shu)(shu)量。桥(qiao)架(jia)(jia)(jia)(jia)全(quan)长除以平(ping)均立(li)(li)(li)(li)柱(zhu)(zhu)(zhu)(zhu)间距(ju)(ju)（户(hu)外(wai)立(li)(li)(li)(li)柱(zhu)(zhu)(zhu)(zhu)跨距(ju)(ju)一(yi)般采(cai)取6m，室(shi)内立(li)(li)(li)(li)柱(zhu)(zhu)(zhu)(zhu)跨距(ju)(ju)一(yi)般采(cai)取3m），得到立(li)(li)(li)(li)柱(zhu)(zhu)(zhu)(zhu)数(shu)(shu)(shu)，增加2%～4%裕(yu)量。而(er)(er)桥(qiao)架(jia)(jia)(jia)(jia)全(quan)长除以支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)平(ping)均间距(ju)(ju)，得到支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)数(shu)(shu)(shu)，再考虑(lv)1%～2%裕(yu)量。至于支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)的(de)间距(ju)(ju)，户(hu)内直(zhi)(zhi)线(xian)(xian)段(duan)(duan)支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)间距(ju)(ju)一(yi)般取～3m，垂直(zhi)(zhi)安装(zhuang)的(de)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)(jia)间距(ju)(ju)不(bu)大(da)于2m。非直(zhi)(zhi)线(xian)(xian)段(duan)(duan)的(de)支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)配(pei)置应(ying)当遵守规(gui)(gui)范规(gui)(gui)定：当弯(wan)通(tong)(tong)(tong)弯(wan)曲半径小(xiao)于300mm时(shi)，应(ying)在距(ju)(ju)非直(zhi)(zhi)线(xian)(xian)段(duan)(duan)与直(zhi)(zhi)线(xian)(xian)结合(he)处300～600mm的(de)直(zhi)(zhi)线(xian)(xian)段(duan)(duan)侧设(she)置一(yi)个支(zhi)(zhi)(zhi)吊(diao)(diao)架(jia)(jia)(jia)(jia)。电(dian)(dian)缆(lan)线(xian)(xian)槽就找三民桥(qiao)架(jia)(jia)(jia)(jia)。

在(zai)(zai)公(gong)共通道(dao)或(huo)(huo)(huo)室外跨越道(dao)路(lu)段．底层桥(qiao)(qiao)架(jia)(jia)上(shang)(shang)宜加(jia)垫板或(huo)(huo)(huo)使用无孔托(tuo)盘。7.不(bu)同电(dian)(dian)(dian)(dian)(dian)压、不(bu)同用途的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)不(bu)宜敷(fu)设在(zai)(zai)同一(yi)(yi)层电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)内(nei)：(1)1kV以上(shang)(shang)和1kV及以下(xia)(xia)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)：(2)同一(yi)(yi)路(lu)径向一(yi)(yi)级(ji)负荷供(gong)电(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)(de)双回路(lu)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)；(3)应(ying)(ying)(ying)急照明(ming)和其他(ta)照明(ming)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)：(4)电(dian)(dian)(dian)(dian)(dian)力，控制(zhi)和电(dian)(dian)(dian)(dian)(dian)信电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)。若不(bu)同等(deng)(deng)级(ji)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)敷(fu)设在(zai)(zai)同一(yi)(yi)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)时(shi)，中间(jian)应(ying)(ying)(ying)增加(jia)隔板隔离。8.当钢制(zhi)直线段长(zhang)度(du)超(chao)过(guo)30m，铝合金电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)超(chao)过(guo)15m时(shi)．或(huo)(huo)(huo)当电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)经过(guo)建筑伸缩(沉降(jiang))缝时(shi)应(ying)(ying)(ying)留(liu)有O-30mm补偿余量(liang)．其连接宜采用伸缩连接板。9.电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)梯架(jia)(jia)、托(tuo)盘宽度(du)和高度(du)的(de)(de)(de)(de)(de)(de)(de)(de)选择(ze)应(ying)(ying)(ying)符合填充率的(de)(de)(de)(de)(de)(de)(de)(de)要求，电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)在(zai)(zai)梯架(jia)(jia)、托(tuo)盘内(nei)的(de)(de)(de)(de)(de)(de)(de)(de)填充率一(yi)(yi)般情况(kuang)下(xia)(xia)，动(dong)力电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)可取(qu)40%-50%，控制(zhi)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)可取(qu)50%。70%．且宜预留(liu)l0%一(yi)(yi)252工(gong)程发展裕量(liang)。10.在(zai)(zai)选择(ze)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)荷载(zai)等(deng)(deng)级(ji)时(shi)如(ru)果电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)支吊架(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)实际(ji)跨距(ju)不(bu)等(deng)(deng)于2m时(shi)．则工(gong)作(zuo)(zuo)均(jun)布荷载(zai)应(ying)(ying)(ying)满(man)足：式(shi)(shi)(shi)(shi)中qG----工(gong)作(zuo)(zuo)均(jun)布荷载(zai)，kN/m；qE----额(e)定(ding)均(jun)布荷载(zai)，kN/m；LG----实际(ji)跨距(ju)，m。电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)设计(ji)(ji)(ji)公(gong)式(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)设计(ji)(ji)(ji)使用都是有一(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)公(gong)式(shi)(shi)(shi)(shi)可循的(de)(de)(de)(de)(de)(de)(de)(de)，下(xia)(xia)面介绍下(xia)(xia)具体的(de)(de)(de)(de)(de)(de)(de)(de)公(gong)式(shi)(shi)(shi)(shi)：在(zai)(zai)设计(ji)(ji)(ji)计(ji)(ji)(ji)算中，若电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)实际(ji)载(zai)荷量(liang)用G总表示：则：G总=n1g1n2g2n3g3……式(shi)(shi)(shi)(shi)中：g1g2、g3……分别为桥(qiao)(qiao)架(jia)(jia)内(nei)各种(zhong)规(gui)格(ge)型号电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)(de)(de)(de)(de)(de)(de)(de)单位长(zhang)度(du)重量(liang)。单位为。梯式(shi)(shi)(shi)(shi)线槽就找三民(min)桥(qiao)(qiao)架(jia)(jia)。东莞喷(pen)塑(su)线槽规(gui)格(ge)

线槽厂(chang)家就要找三民桥架。阳(yang)江电缆线槽价格

打造高(gao)效团队。公(gong)司一直(zhi)以来推(tui)崇(chong)“诚(cheng)信(xin)是金(jin)，共创(chuang)共赢”的(de)营(ying)销理(li)念(nian)，在不断提升产品(pin)竞争力(li)的(de)同时(shi)(shi)，致力(li)于诚(cheng)信(xin)的(de)经营(ying)，用心的(de)服务，真(zhen)诚(cheng)与新(xin)老客户(hu)携手共创(chuang)新(xin)的(de)辉煌!它(ta)与安(an)装场所的(de)地(di)(di)区自然气象条件和带电(dian)(dian)(dian)(dian)(dian)(dian)体(ti)的(de)性质有关,设计中(zhong)应根据各种条件加以计算(suan)(suan)。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)胀缩(suo)问题由于环(huan)境温(wen)度(du)变化,钢质电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)会出现(xian)热胀冷(leng)缩(suo)的(de)现(xian)象。室外桥(qiao)(qiao)架(jia)(jia)受温(wen)度(du)影响较(jiao)大例如环(huan)境高(gao)温(wen)度(du)为(wei)(wei)40℃,低温(wen)度(du)为(wei)(wei)-20℃,则电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)大收缩(suo)量按(an)下式(shi)求(qiu)得：Δt=×10-6×60deg(度(du))×1000mm由此(ci)得出结论(lun)：温(wen)差(cha)为(wei)(wei)60℃时(shi)(shi),Δι=温(wen)差(cha)为(wei)(wei)50℃时(shi)(shi),Δι=温(wen)差(cha)为(wei)(wei)40℃时(shi)(shi),Δι=工程设计中(zhong)直(zhi)线段电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)应考虑伸(shen)缩(suo)接头,伸(shen)缩(suo)接头的(de)间距建(jian)议按(an)以下取定(ding)：当(dang)(dang)温(wen)差(cha)为(wei)(wei)40℃时(shi)(shi)为(wei)(wei)50m;当(dang)(dang)温(wen)差(cha)为(wei)(wei)50℃时(shi)(shi)为(wei)(wei)40m;当(dang)(dang)温(wen)差(cha)为(wei)(wei)60℃时(shi)(shi)为(wei)(wei)40m;电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)接地(di)(di)根据规(gui)范的(de)有关规(gui)定(ding),镀(du)锌电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)进行良好的(de)接地(di)(di)。(1)镀(du)锌电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)直(zhi)接板每个(ge)(ge)固(gu)定(ding)螺栓接触(chu)电(dian)(dian)(dian)(dian)(dian)(dian)阻应小(xiao)于Ω,此(ci)时(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)可(ke)(ke)作(zuo)为(wei)(wei)接地(di)(di)干线(喷粉电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)不宜作(zuo)接地(di)(di)干线)，每个(ge)(ge)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)的(de)电(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)可(ke)(ke)按(an)下式(shi)计算(suan)(suan)：r=ρ·L/S式(shi)中(zhong)：ρ=15×10Ω-6/cm(20℃)；L=长度(du)按(an)100mm计算(suan)(suan)；S=截面积cm2。(2)当(dang)(dang)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)安(an)装连接程整体(ti)后,每根梯边(或每个(ge)(ge)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)槽(cao))的(de)电(dian)(dian)(dian)(dian)(dian)(dian)阻为(wei)(wei)：R=L(r+1/3r’)式(shi)中(zhong)：R--梯边，即（电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)槽(cao)）全长总电(dian)(dian)(dian)(dian)(dian)(dian)阻。阳江电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)(lan)线槽(cao)价格(ge)

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