喷粉电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)不(bu)(bu)宜作(zuo)接(jie)(jie)地干线(xian))，每(mei)个电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值可按下式(shi)计(ji)(ji)算(suan)：r=ρ·L/S式(shi)中：ρ=15×10Ω-6/cm(20℃)；L=长度按100mm计(ji)(ji)算(suan)；S=截面积cm2。(2)梯(ti)(ti)架(jia)(jia)(jia)(jia)于托(tuo)盘(pan)的(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值见表(biao)2。表(biao)2梯(ti)(ti)架(jia)(jia)(jia)(jia)于托(tuo)盘(pan)的(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值(3)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽(cao)的(de)(de)(de)单(dan)位(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)值见表(biao)3(4)当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)安(an)装(zhuang)连(lian)接(jie)(jie)程整(zheng)体后，每(mei)根(gen)梯(ti)(ti)边(或每(mei)个电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽(cao))的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)为：R=L(r+1/3r’)式(shi)中：R--梯(ti)(ti)边，即（电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)槽(cao)）全(quan)长总电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)（mΩ）；r--梯(ti)(ti)边单(dan)位(wei)长度电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)（mΩ/m）桥(qiao)架(jia)(jia)(jia)(jia)荷载特性(xing)编(bian)辑1、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)荷载电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)荷载分为静荷载、动荷载和(he)(he)附加荷载。静荷载是(shi)(shi)指敷设(she)(she)在(zai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)内的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)种(zhong)类、根(gen)数、每(mei)根(gen)的(de)(de)(de)外(wai)径(jing)重(zhong)量(liang)/单(dan)位(wei)长度，按电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)敷设(she)(she)的(de)(de)(de)不(bu)(bu)同路由(you)分别列表(biao)统(tong)计(ji)(ji)。动荷载是(shi)(shi)指电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)安(an)装(zhuang)和(he)(he)维护(hu)过(guo)程中施工维修(xiu)人员的(de)(de)(de)重(zhong)量(liang)。对于轻型(xing)(xing)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)，一(yi)般不(bu)(bu)考虑动荷载，即不(bu)(bu)允许(xu)在(zai)桥(qiao)架(jia)(jia)(jia)(jia)上(shang)站(zhan)(行)人，如果需(xu)要考虑站(zhan)人，则应(ying)将跨距适当缩小。附加荷载在(zai)室外(wai)是(shi)(shi)指冰雪、风和(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁力所(suo)形成的(de)(de)(de)荷载，它与安(an)装(zhuang)场(chang)所(suo)的(de)(de)(de)地区(qu)自然气象条(tiao)件(jian)和(he)(he)带电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)体的(de)(de)(de)性(xing)质有关(guan)，设(she)(she)计(ji)(ji)中应(ying)根(gen)据各(ge)种(zhong)条(tiao)件(jian)加以计(ji)(ji)算(suan)。2、选(xuan)用桥(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)步骤(1)确(que)定桥(qiao)架(jia)(jia)(jia)(jia)宽度、层(ceng)(ceng)数、支(zhi)撑点(dian)的(de)(de)(de)型(xing)(xing)式(shi)和(he)(he)间距、以及(ji)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)在(zai)各(ge)层(ceng)(ceng)桥(qiao)架(jia)(jia)(jia)(jia)上(shang)的(de)(de)(de)分布(bu)。桥(qiao)架(jia)(jia)(jia)(jia)设(she)(she)计(ji)(ji)(2)计(ji)(ji)算(suan)每(mei)层(ceng)(ceng)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)的(de)(de)(de)均布(bu)荷载(kN/m2),初(chu)步确(que)定桥(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)型(xing)(xing)号(hao)、规格(ge)。。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)架(jia)(jia)(jia)(jia)，现品(pin)现货，技术支(zhi)持，良好服务(wu)，三民(min)桥(qiao)架(jia)(jia)(jia)(jia)。广州烤漆(qi)桥(qiao)架(jia)(jia)(jia)(jia)弯头

托盘(pan)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)其(qi)(qi)表面(mian)处理(li)可(ke)(ke)根据用户需(xu)要(yao)(yao)分为(wei)镀锌(xin)(xin)、静(jing)电(dian)(dian)喷塑(su)(su)和热(re)镀锌(xin)(xin)三(san)种(zhong)，在(zai)重(zhong)(zhong)腐蚀环境中可(ke)(ke)作(zuo)特殊防(fang)(fang)腐处理(li)。托盘(pan)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)可(ke)(ke)备护罩(zhao)(zhao)，需(xu)要(yao)(yao)配(pei)护罩(zhao)(zhao)时可(ke)(ke)在(zai)订货(huo)时注明，其(qi)(qi)所(suo)(suo)有(you)(you)配(pei)件(jian)与(yu)梯级(ji)式(shi)(shi)，槽(cao)式(shi)(shi)桥(qiao)(qiao)架(jia)通(tong)用。梯级(ji)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)：XQJ-T型梯级(ji)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)是(shi)根据国内外有(you)(you)关资料及我厂同类产(chan)(chan)品(pin)改进而成(cheng)。它具(ju)有(you)(you)重(zhong)(zhong)量轻，成(cheng)本低，造(zao)型别(bie)具(ju)，安装(zhuang)方便、散热(re)、透(tou)气性好等(deng)优(you)点(dian)。它适(shi)用于(yu)一般直径较大(da)电(dian)(dian)缆的(de)敷(fu)设。惠州市(shi)三(san)民实业有(you)(you)限公(gong)司(si)(si)，是(shi)一家(jia)集电(dian)(dian)缆桥(qiao)(qiao)架(jia)、科研、生产(chan)(chan)、销(xiao)售、服(fu)务(wu)为(wei)一体(ti)的(de)企业，公(gong)司(si)(si)兼营电(dian)(dian)线、电(dian)(dian)缆等(deng)建(jian)材相关产(chan)(chan)品(pin)。公(gong)司(si)(si)实力(li)雄厚，全国多(duo)个大(da)型重(zhong)(zhong)点(dian)工(gong)程项目指定供应商，并与(yu)多(duo)家(jia)房地产(chan)(chan)公(gong)司(si)(si)和电(dian)(dian)力(li)安装(zhuang)单(dan)位建(jian)立(li)长期紧密(mi)合作(zuo)关系(xi)。桥(qiao)(qiao)架(jia)产(chan)(chan)品(pin)有(you)(you)托盘(pan)式(shi)(shi)、槽(cao)式(shi)(shi)、梯级(ji)式(shi)(shi)钢制及铝合金桥(qiao)(qiao)架(jia)系(xi)列(lie)，组合式(shi)(shi)及玻璃钢、防(fang)(fang)火桥(qiao)(qiao)架(jia)系(xi)列(lie)。公(gong)司(si)(si)自成(cheng)立(li)以来(lai)，顺应经济发展的(de)潮流，以满足(zu)省(sheng)、市(shi)重(zhong)(zhong)点(dian)建(jian)设工(gong)程服(fu)务(wu)需(xu)要(yao)(yao)为(wei)目标，坚持诚(cheng)信立(li)业，以市(shi)场为(wei)导向。竭(jie)诚(cheng)为(wei)客户提供好的(de)产(chan)(chan)品(pin)和满意的(de)服(fu)务(wu)。特别(bie)适(shi)用于(yu)高、低压动力(li)电(dian)(dian)缆的(de)敷(fu)设。梯级(ji)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)备有(you)(you)护罩(zhao)(zhao)，需(xu)要(yao)(yao)配(pei)护罩(zhao)(zhao)时可(ke)(ke)在(zai)订货(huo)时注明，其(qi)(qi)所(suo)(suo)有(you)(you)配(pei)件(jian)与(yu)托盘(pan)式(shi)(shi)、槽(cao)式(shi)(shi)桥(qiao)(qiao)架(jia)通(tong)用。梯级(ji)式(shi)(shi)电(dian)(dian)缆桥(qiao)(qiao)架(jia)其(qi)(qi)表面(mian)处理(li)分为(wei)静(jing)电(dian)(dian)喷塑(su)(su)、镀锌(xin)(xin)、喷漆三(san)种(zhong)。佛山消(xiao)防(fang)(fang)桥(qiao)(qiao)架(jia)生产(chan)(chan)电(dian)(dian)缆桥(qiao)(qiao)架(jia)哪家(jia)强？三(san)民桥(qiao)(qiao)架(jia)！

而(er)在项(xiang)目执(zhi)行阶段(duan)采(cai)(cai)购部(bu)门(men)老是(shi)和供(gong)货商(shang)签订增补合同(tong)，从而(er)导致总承包(bao)公司利(li)润的(de)(de)(de)(de)降低。2）错项(xiang)。原(yuan)因在于很多设计人员对于一(yi)(yi)些(xie)概念不清(qing)，有的(de)(de)(de)(de)把弯(wan)(wan)通(tong)(tong)(tong)、支(zhi)吊(diao)(diao)架(jia)算作附件(jian)，有的(de)(de)(de)(de)把盖板(ban)(ban)当(dang)(dang)成(cheng)主材。实际(ji)上，电(dian)(dian)缆(lan)桥架(jia)的(de)(de)(de)(de)“托架(jia)”包(bao)括(kuo)直(zhi)(zhi)(zhi)通(tong)(tong)(tong)和弯(wan)(wan)通(tong)(tong)(tong)两部(bu)分。电(dian)(dian)缆(lan)桥架(jia)的(de)(de)(de)(de)“附件(jian)”包(bao)括(kuo)各(ge)种(zhong)连接板(ban)(ban)、盖板(ban)(ban)、隔板(ban)(ban)、压板(ban)(ban)、终端板(ban)(ban)、引(yin)下件(jian)、紧固件(jian)等(deng)。附件(jian)在材料(liao)表(biao)中(zhong)不开列(lie)，由供(gong)货商(shang)随(sui)货配(pei)套供(gong)应(ying)，成(cheng)本打(da)入(ru)托架(jia)的(de)(de)(de)(de)单价(jia)部(bu)分，工(gong)程中(zhong)不需(xu)要(yao)供(gong)货商(shang)单独(du)报价(jia)。而(er)“支(zhi)吊(diao)(diao)架(jia)”包(bao)括(kuo)托臂(bei)、立(li)(li)柱(zhu)、吊(diao)(diao)架(jia)等(deng)，需(xu)要(yao)单独(du)开列(lie)，工(gong)程中(zhong)供(gong)货商(shang)需(xu)要(yao)单独(du)报价(jia)。3）统(tong)计量(liang)(liang)偏差大(da)，通(tong)(tong)(tong)常是(shi)数(shu)量(liang)(liang)偏少。那么(me)工(gong)程报价(jia)中(zhong)如何(he)比较准(zhun)确地统(tong)计电(dian)(dian)缆(lan)桥架(jia)的(de)(de)(de)(de)材料(liao)呢？一(yi)(yi)般而(er)言，托架(jia)的(de)(de)(de)(de)直(zhi)(zhi)(zhi)通(tong)(tong)(tong)部(bu)分可考虑(lv)1%～2%的(de)(de)(de)(de)裕量(liang)(liang)，弯(wan)(wan)通(tong)(tong)(tong)部(bu)分则(ze)直(zhi)(zhi)(zhi)接统(tong)计数(shu)量(liang)(liang)。桥架(jia)全长(zhang)(zhang)除(chu)以平均(jun)立(li)(li)柱(zhu)间(jian)(jian)距(ju)(ju)（户外立(li)(li)柱(zhu)跨距(ju)(ju)一(yi)(yi)般采(cai)(cai)取6m，室内立(li)(li)柱(zhu)跨距(ju)(ju)一(yi)(yi)般采(cai)(cai)取3m），得到(dao)(dao)立(li)(li)柱(zhu)数(shu)，增加2%～4%裕量(liang)(liang)。而(er)桥架(jia)全长(zhang)(zhang)除(chu)以支(zhi)吊(diao)(diao)架(jia)平均(jun)间(jian)(jian)距(ju)(ju)，得到(dao)(dao)支(zhi)吊(diao)(diao)架(jia)数(shu)，再考虑(lv)1%～2%裕量(liang)(liang)。至(zhi)于支(zhi)吊(diao)(diao)架(jia)的(de)(de)(de)(de)间(jian)(jian)距(ju)(ju)，户内直(zhi)(zhi)(zhi)线(xian)段(duan)支(zhi)吊(diao)(diao)架(jia)间(jian)(jian)距(ju)(ju)一(yi)(yi)般取～3m，垂直(zhi)(zhi)(zhi)安装的(de)(de)(de)(de)支(zhi)架(jia)间(jian)(jian)距(ju)(ju)不大(da)于2m。非(fei)直(zhi)(zhi)(zhi)线(xian)段(duan)的(de)(de)(de)(de)支(zhi)吊(diao)(diao)架(jia)配(pei)置(zhi)应(ying)当(dang)(dang)遵守(shou)规范规定：当(dang)(dang)弯(wan)(wan)通(tong)(tong)(tong)弯(wan)(wan)曲半(ban)径小于300mm时(shi)，应(ying)在距(ju)(ju)非(fei)直(zhi)(zhi)(zhi)线(xian)段(duan)与直(zhi)(zhi)(zhi)线(xian)结合处300～600mm的(de)(de)(de)(de)直(zhi)(zhi)(zhi)线(xian)段(duan)侧设置(zhi)一(yi)(yi)个支(zhi)吊(diao)(diao)架(jia)。

惠州市三民实业(ye)有限公司(si)(si)，是(shi)一家(jia)集电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)、科研、生产、销售、服务为一体的(de)企(qi)业(ye)，公司(si)(si)兼营(ying)电(dian)线、电(dian)缆(lan)等(deng)建(jian)材(cai)相关产品。公司(si)(si)实力雄厚(hou)，全(quan)国多个大型重点工程项目指定供应(ying)商(shang)，并与多家(jia)房地产公司(si)(si)和(he)电(dian)力安(an)装(zhuang)单位(wei)建(jian)立(li)(li)长期紧密合(he)作(zuo)关系(xi)。桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)产品有托盘式、槽(cao)式、梯级(ji)式钢(gang)制及铝(lv)合(he)金桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)系(xi)列，组(zu)(zu)合(he)式及玻璃(li)钢(gang)、防火桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)系(xi)列。公司(si)(si)自成立(li)(li)以(yi)来(lai)，顺应(ying)经(jing)济发展(zhan)的(de)潮流，以(yi)满(man)(man)足(zu)省、市重点建(jian)设工程服务需要(yao)为目标，坚(jian)持诚信立(li)(li)业(ye)，以(yi)市场为导(dao)向，竭诚为客户提(ti)供好(hao)的(de)产品和(he)满(man)(man)意(yi)的(de)服务。电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)分为槽(cao)式电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)、托盘式电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)和(he)梯级(ji)式电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)、网(wang)格桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)等(deng)结(jie)构(gou)，由支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)、托臂和(he)安(an)装(zhuang)附件等(deng)组(zu)(zu)成。可以(yi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)设,也可以(yi)敷(fu)设在(zai)各种建(jian)(构(gou))筑(zhu)物和(he)管廊(lang)支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)上，体现(xian)结(jie)构(gou)简单、造型美观、配置灵活(huo)和(he)维修方便等(deng)特点，全(quan)部(bu)零件均(jun)需进行镀锌(xin)处理(li)，安(an)装(zhuang)在(zai)建(jian)筑(zhu)物外(wai)露天的(de)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)，如果是(shi)在(zai)邻近海(hai)边或属(shu)于(yu)腐(fu)蚀(shi)区(qu)，则(ze)材(cai)质(zhi)必须具有防腐(fu)、耐潮气、附着力好(hao)，耐冲击强(qiang)度(du)高的(de)物性特点。中文(wen)名(ming)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)外(wai)文(wen)名(ming)cabletray材(cai)质(zhi)金属(shu)、玻璃(li)钢(gang)用途用于(yu)电(dian)缆(lan)加工金属(shu)制作(zuo)防腐(fu)镀锌(xin)、喷塑目录1胀缩(suo)问题(ti)2接地3荷载特性4结(jie)构(gou)形(xing)式5安(an)装(zhuang)要(yao)求(qiu)▪桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)说明▪一般术语桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)胀缩(suo)问题(ti)编辑由于(yu)环(huan)境温度(du)变(bian)化，钢(gang)质(zhi)电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)会(hui)出现(xian)热胀冷缩(suo)的(de)现(xian)象(xiang)。电(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)好(hao)商(shang)家(jia)推荐(jian)，三民桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)就是(shi)好(hao)。

应(ying)提(ti)交下(xia)列资料产(chan)品出厂合格证、省市(shi)级质监站(zhan)定(ding)(ding)期(qi)检验报告及(ji)有(you)关(guan)技术(shu)鉴定(ding)(ding)文件(jian)等电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)板材厚度应(ying)满足有(you)关(guan)要求(qiu)。热镀锌(xin)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)镀层表(biao)(biao)面(mian)(mian)应(ying)均(jun)匀(yun),无(wu)(wu)过(guo)烧、挂灰、局(ju)部未镀锌(xin)等缺(que)陷。静电(dian)(dian)(dian)喷塑(su)应(ying)平(ping)整(zheng)、光(guang)(guang)滑、均(jun)匀(yun)、不起皮,无(wu)(wu)气泡、水泡桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)本身(shen)应(ying)平(ping)整(zheng),无(wu)(wu)扭曲变形(xing),内(nei)壁应(ying)光(guang)(guang)滑、无(wu)(wu)毛刺桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)焊缝表(biao)(biao)面(mian)(mian)应(ying)均(jun)匀(yun),不得(de)有(you)漏焊、裂纹、烧穿等缺(que)陷。（2）.电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)安装位置桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)水平(ping)敷(fu)设(she)时(shi),距(ju)(ju)地高(gao)度一般不宜低于。桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)多层敷(fu)设(she)时(shi),为(wei)了散热、维(wei)护以及(ji)防(fang)干(gan)扰(rao)的(de)(de)(de)(de)(de)需(xu)要,桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)层间应(ying)留有(you)一定(ding)(ding)的(de)(de)(de)(de)(de)距(ju)(ju)离(li)电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)在与各(ge)种管道平(ping)行敷(fu)设(she)时(shi),其净距(ju)(ju)应(ying)符(fu)(fu)合有(you)关(guan)的(de)(de)(de)(de)(de)规(gui)定(ding)(ding)。（3）.支(zhi)吊(diao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)安装电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)支(zhi)吊(diao)架(jia)(jia)(jia)(jia)质量应(ying)符(fu)(fu)合现行的(de)(de)(de)(de)(de)有(you)关(guan)技术(shu)标准电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)水平(ping)敷(fu)设(she)时(shi),支(zhi)撑跨距(ju)(ju)一般为(wei)，固定(ding)(ding)间距(ju)(ju)不宜大(da)于2m两相邻桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)托臂(bei)之(zhi)间水平(ping)高(gao)度差不应(ying)大(da)于10mm,两相邻桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)托臂(bei)垂(chui)直中线(xian)的(de)(de)(de)(de)(de)垂(chui)直偏差不应(ying)大(da)于20mm。1、电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)作为(wei)布线(xian)工程(cheng)的(de)(de)(de)(de)(de)一个配套项目,尚无(wu)(wu)专门的(de)(de)(de)(de)(de)规(gui)范指导,个生产(chan)厂家的(de)(de)(de)(de)(de)规(gui)格程(cheng)式(shi)缺(que)乏(fa)通用(yong)性,因此,设(she)计选(xuan)(xuan)型(xing)过(guo)程(cheng)应(ying)根据弱(ruo)电(dian)(dian)(dian)各(ge)个系统缆(lan)(lan)(lan)(lan)显得(de)类(lei)型(xing)、数量,合理选(xuan)(xuan)定(ding)(ding)适用(yong)的(de)(de)(de)(de)(de)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。(1)确定(ding)(ding)方(fang)向：根据建筑平(ping)面(mian)(mian)布置图,结合空调管线(xian)和电(dian)(dian)(dian)气管线(xian)等设(she)置情况(kuang)、方(fang)便维(wei)修(xiu)，以及(ji)电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)路由(you)的(de)(de)(de)(de)(de)疏密来确定(ding)(ding)电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)佳路由(you)。在室内(nei)。电(dian)(dian)(dian)缆(lan)(lan)(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)，正规(gui)厂家，支(zhi)持定(ding)(ding)制，三民桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)。广州铝合金桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)厂

镀(du)锌桥(qiao)(qiao)架就(jiu)找三民桥(qiao)(qiao)架。广(guang)州烤漆桥(qiao)(qiao)架弯(wan)头

在公(gong)共(gong)通道(dao)或(huo)室外(wai)跨(kua)越道(dao)路段(duan)(duan)．底层桥(qiao)(qiao)(qiao)架(jia)上(shang)宜(yi)(yi)加(jia)(jia)垫板或(huo)使(shi)用(yong)(yong)无(wu)孔(kong)托盘(pan)(pan)。7.不同(tong)电(dian)(dian)(dian)(dian)(dian)(dian)压、不同(tong)用(yong)(yong)途的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)不宜(yi)(yi)敷(fu)设在同(tong)一(yi)层电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)内(nei)：(1)1kV以上(shang)和(he)1kV及以下的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)：(2)同(tong)一(yi)路径向一(yi)级(ji)(ji)负荷(he)(he)供电(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)双回路电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)；(3)应(ying)急照明(ming)和(he)其(qi)(qi)他(ta)照明(ming)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)：(4)电(dian)(dian)(dian)(dian)(dian)(dian)力(li)，控制(zhi)和(he)电(dian)(dian)(dian)(dian)(dian)(dian)信电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)。若不同(tong)等(deng)级(ji)(ji)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)敷(fu)设在同(tong)一(yi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)时(shi)，中(zhong)间应(ying)增加(jia)(jia)隔板隔离。8.当钢制(zhi)直线(xian)段(duan)(duan)长度(du)超过(guo)30m，铝合金(jin)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)超过(guo)15m时(shi)．或(huo)当电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)经过(guo)建筑(zhu)伸缩(suo)(沉降(jiang))缝时(shi)应(ying)留有(you)(you)O-30mm补(bu)偿余量(liang)(liang)．其(qi)(qi)连接宜(yi)(yi)采用(yong)(yong)伸缩(suo)连接板。9.电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)梯(ti)(ti)架(jia)、托盘(pan)(pan)宽度(du)和(he)高(gao)度(du)的(de)(de)(de)选择(ze)应(ying)符合填充率的(de)(de)(de)要求(qiu)，电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)在梯(ti)(ti)架(jia)、托盘(pan)(pan)内(nei)的(de)(de)(de)填充率一(yi)般情况下，动力(li)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)可(ke)取40%-50%，控制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)可(ke)取50%。70%．且宜(yi)(yi)预留l0%一(yi)252工程发(fa)展裕量(liang)(liang)。10.在选择(ze)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)的(de)(de)(de)荷(he)(he)载等(deng)级(ji)(ji)时(shi)如果电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)的(de)(de)(de)支吊(diao)架(jia)的(de)(de)(de)实际跨(kua)距(ju)不等(deng)于2m时(shi)．则(ze)工作均(jun)(jun)布(bu)荷(he)(he)载应(ying)满足(zu)：式(shi)(shi)中(zhong)qG----工作均(jun)(jun)布(bu)荷(he)(he)载，kN/m；qE----额定均(jun)(jun)布(bu)荷(he)(he)载，kN/m；LG----实际跨(kua)距(ju)，m。电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)设计公(gong)式(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)的(de)(de)(de)设计使(shi)用(yong)(yong)都是有(you)(you)一(yi)定的(de)(de)(de)公(gong)式(shi)(shi)可(ke)循的(de)(de)(de)，下面(mian)介绍下具体的(de)(de)(de)公(gong)式(shi)(shi)：在设计计算(suan)中(zhong)，若电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)的(de)(de)(de)实际载荷(he)(he)量(liang)(liang)用(yong)(yong)G总表示：则(ze)：G总=n1g1n2g2n3g3……式(shi)(shi)中(zhong)：g1g2、g3……分别(bie)为桥(qiao)(qiao)(qiao)架(jia)内(nei)各种规格型号(hao)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)的(de)(de)(de)单位(wei)(wei)长度(du)重量(liang)(liang)。单位(wei)(wei)为。广州(zhou)烤漆桥(qiao)(qiao)(qiao)架(jia)弯头(tou)

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