二、规(gui)格选(xuan)择(ze)1、桥(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)宽度和(he)(he)高(gao)度就按(an)下表(biao)选(xuan)择(ze)，并(bing)(bing)应(ying)(ying)(ying)符合(he)电(dian)缆填充(chong)率不超过有(you)关(guan)标(biao)准规(gui)范的(de)(de)(de)规(gui)定(ding)值，动力(li)电(dian)缆可(ke)取40-50%，控制电(dian)缆可(ke)取50-70%，另(ling)外需预留10-25%的(de)(de)(de)式(shi)程(cheng)发展余量。2、各种弯(wan)通及(ji)附件规(gui)格应(ying)(ying)(ying)符合(he)工(gong)程(cheng)布(bu)置条件并(bing)(bing)与(yu)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)相配(pei)(pei)套。3、支(zhi)、吊(diao)架(jia)(jia)(jia)(jia)规(gui)格的(de)(de)(de)选(xuan)择(ze)。惠州市(shi)三(san)民实业(ye)有(you)限公(gong)司(si)(si)，是一(yi)家集电(dian)缆桥(qiao)(qiao)架(jia)(jia)(jia)(jia)、科(ke)研、生(sheng)产(chan)、销售、服务(wu)为一(yi)体(ti)的(de)(de)(de)企业(ye)，公(gong)司(si)(si)兼营电(dian)线、电(dian)缆等建(jian)材相关(guan)产(chan)品(pin)(pin)。公(gong)司(si)(si)实力(li)雄厚，全国多个(ge)大型重点工(gong)程(cheng)项目指(zhi)定(ding)供应(ying)(ying)(ying)商，并(bing)(bing)与(yu)多家房(fang)地产(chan)公(gong)司(si)(si)和(he)(he)电(dian)力(li)安(an)装单位建(jian)立(li)(li)长(zhang)期紧密(mi)合(he)作(zuo)关(guan)系(xi)。桥(qiao)(qiao)架(jia)(jia)(jia)(jia)产(chan)品(pin)(pin)有(you)托盘式(shi)、槽(cao)式(shi)、梯级式(shi)钢制及(ji)铝合(he)金桥(qiao)(qiao)架(jia)(jia)(jia)(jia)系(xi)列(lie)，组合(he)式(shi)及(ji)玻(bo)璃钢、防(fang)火(huo)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)系(xi)列(lie)。公(gong)司(si)(si)自(zi)成立(li)(li)以(yi)来，顺应(ying)(ying)(ying)经济发展的(de)(de)(de)潮流，以(yi)满(man)足省、市(shi)重点建(jian)设(she)工(gong)程(cheng)服务(wu)需要为目标(biao)，坚持诚信(xin)立(li)(li)业(ye)，以(yi)市(shi)场(chang)为导(dao)向，竭诚为客户(hu)提供好的(de)(de)(de)产(chan)品(pin)(pin)和(he)(he)满(man)意(yi)的(de)(de)(de)服务(wu)。应(ying)(ying)(ying)按(an)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)规(gui)格、层(ceng)数、跨距(ju)等条件配(pei)(pei)置。并(bing)(bing)应(ying)(ying)(ying)满(man)足荷载的(de)(de)(de)要求。4、桥(qiao)(qiao)架(jia)(jia)(jia)(jia)横截(jie)面积(ji)的(de)(de)(de)选(xuan)择(ze)见表(biao)三(san)、支(zhi)、吊(diao)架(jia)(jia)(jia)(jia)的(de)(de)(de)配(pei)(pei)置1、户(hu)内支(zhi)、吊(diao)短(duan)跨距(ju)一(yi)般采取。户(hu)外立(li)(li)柱中跨距(ju)一(yi)般采取6m。2、非直(zhi)线段的(de)(de)(de)支(zhi)、吊(diao)架(jia)(jia)(jia)(jia)配(pei)(pei)置就遵循以(yi)下原则。当(dang)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)宽度<300mm时(shi)，应(ying)(ying)(ying)在距(ju)非直(zhi)线段与(yu)直(zhi)线结(jie)合(he)处(chu)300-600m的(de)(de)(de)直(zhi)线段侧设(she)置一(yi)个(ge)支(zhi)、吊(diao)架(jia)(jia)(jia)(jia)。当(dang)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)宽度>300mm时(shi)。电(dian)线电(dian)缆桥(qiao)(qiao)架(jia)(jia)(jia)(jia)，三(san)民桥(qiao)(qiao)架(jia)(jia)(jia)(jia)，耐腐(fu)蚀(shi)抗老化。梅州热镀锌桥(qiao)(qiao)架(jia)(jia)(jia)(jia)

有(you)孔托(tuo)盘(pan)(pan)：有(you)孔槽形电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)(jia)(jia)直接承(cheng)托(tuo)电(dian)(dian)(dian)缆(lan)的(de)(de)(de)(de)部(bu)(bu)件(jian)的(de)(de)(de)(de)简(jian)(jian)称，由(you)(you)带孔眼的(de)(de)(de)(de)底(di)(di)板(ban)和(he)侧(ce)(ce)边所构(gou)(gou)(gou)成(cheng)(cheng)的(de)(de)(de)(de)或(huo)(huo)由(you)(you)整(zheng)(zheng)块铝(lv)合(he)金(jin)(jin)(jin)板(ban)冲孔后弯曲制(zhi)成(cheng)(cheng)底(di)(di)部(bu)(bu)有(you)孔的(de)(de)(de)(de)槽形部(bu)(bu)件(jian)。无孔托(tuo)盘(pan)(pan)：无孔槽形电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)(jia)(jia)直接承(cheng)托(tuo)电(dian)(dian)(dian)缆(lan)的(de)(de)(de)(de)部(bu)(bu)件(jian)的(de)(de)(de)(de)简(jian)(jian)称，由(you)(you)底(di)(di)板(ban)与侧(ce)(ce)边构(gou)(gou)(gou)成(cheng)(cheng)的(de)(de)(de)(de)或(huo)(huo)由(you)(you)整(zheng)(zheng)块铝(lv)合(he)金(jin)(jin)(jin)板(ban)弯曲制(zhi)成(cheng)(cheng)实底(di)(di)的(de)(de)(de)(de)槽形部(bu)(bu)件(jian)。LQJ系(xi)列铝(lv)合(he)金(jin)(jin)(jin)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)(jia)(jia)是一种抗腐蚀(shi)(shi)桥(qiao)(qiao)架(jia)(jia)(jia)。它具(ju)有(you)结(jie)构(gou)(gou)(gou)简(jian)(jian)单、式(shi)样新颖、耐(nai)腐蚀(shi)(shi)，安装维护方便，不(bu)(bu)需(xu)(xu)保(bao)养等(deng)特点，能(neng)够适用(yong)于的(de)(de)(de)(de)环境条件(jian)。LQJ系(xi)列铝(lv)合(he)金(jin)(jin)(jin)防腐桥(qiao)(qiao)架(jia)(jia)(jia)按结(jie)构(gou)(gou)(gou)形式(shi)可(ke)分为LQJ-A、B、C型(xing)和(he)LQJ-LPC型(xing)，前者(zhe)分别采用(yong)不(bu)(bu)同(tong)截面形状的(de)(de)(de)(de)铝(lv)合(he)金(jin)(jin)(jin)挤压(ya)型(xing)材加工(gong)桥(qiao)(qiao)架(jia)(jia)(jia)邦板(ban)和(he)梯档，可(ke)制(zhi)成(cheng)(cheng)梯级(ji)式(shi)、托(tuo)盘(pan)(pan)式(shi)、槽式(shi)结(jie)构(gou)(gou)(gou)以(yi)满足(zu)不(bu)(bu)同(tong)场(chang)合(he)的(de)(de)(de)(de)需(xu)(xu)要(yao)，后者(zhe)采用(yong)铝(lv)板(ban)折边成(cheng)(cheng)型(xing)，制(zhi)成(cheng)(cheng)槽式(shi)汇(hui)线槽及各(ge)类(lei)特殊弯通，以(yi)满足(zu)电(dian)(dian)(dian)缆(lan)布线的(de)(de)(de)(de)需(xu)(xu)要(yao)。LQJ-A、B、C型(xing)铝(lv)合(he)金(jin)(jin)(jin)挤压(ya)型(xing)材加工(gong)成(cheng)(cheng)型(xing)后固溶和(he)人工(gong)时效处理，不(bu)(bu)提高(gao)(gao)(gao)(gao)了耐(nai)蚀(shi)(shi)性(xing)，而且(qie)提高(gao)(gao)(gao)(gao)了铝(lv)合(he)金(jin)(jin)(jin)的(de)(de)(de)(de)强度，从(cong)而保(bao)证铝(lv)合(he)金(jin)(jin)(jin)桥(qiao)(qiao)架(jia)(jia)(jia)具(ju)有(you)较高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)承(cheng)载能(neng)力。LQJ系(xi)列铝(lv)合(he)金(jin)(jin)(jin)防腐桥(qiao)(qiao)架(jia)(jia)(jia)表面经阳极氧化处理，使其更具(ju)有(you)优(you)异的(de)(de)(de)(de)耐(nai)蚀(shi)(shi)性(xing)、具(ju)有(you)耐(nai)腐蚀(shi)(shi)时间长、不(bu)(bu)需(xu)(xu)要(yao)保(bao)养的(de)(de)(de)(de)优(you)点，特别适用(yong)于高(gao)(gao)(gao)(gao)温(wen)、高(gao)(gao)(gao)(gao)湿、富盐雾的(de)(de)(de)(de)环境中(zhong)选(xuan)用(yong)。惠州市(shi)三(san)民实业有(you)限公司，是一家集(ji)电(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)(jia)(jia)、科研、生(sheng)产、销售(shou)、服务为一体(ti)的(de)(de)(de)(de)企(qi)(qi)业。韶关喷(pen)塑桥(qiao)(qiao)架(jia)(jia)(jia)生(sheng)产企(qi)(qi)业三(san)民桥(qiao)(qiao)架(jia)(jia)(jia)，大国工(gong)匠(jiang)，至臻服务。

电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)分(fen)为(wei)(wei)(wei)槽式电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)、托盘式电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)和(he)梯级式电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)、网(wang)格桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)等结构，由支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)、托臂和(he)安(an)装附(fu)件等组成(cheng)。可以(yi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)设,也(ye)可以(yi)敷设在(zai)(zai)各种建(jian)(构)筑(zhu)物(wu)和(he)管廊支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)上，体(ti)现结构简单、造型美观、配(pei)置(zhi)灵活和(he)维修方便等特点(dian)，全部零件均需进行(xing)(xing)镀(du)锌(xin)处理，安(an)装在(zai)(zai)建(jian)筑(zhu)物(wu)外露天的桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)，如果是(shi)在(zai)(zai)邻近海边或属(shu)于(yu)腐蚀(shi)区，则(ze)材质(zhi)必(bi)须具有防腐、耐潮气、附(fu)着力好，耐冲(chong)击强(qiang)度高的物(wu)性(xing)特点(dian)。中(zhong)文名桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)外文名cabletray材质(zhi)金(jin)属(shu)、玻璃(li)钢(gang)用途用于(yu)电(dian)(dian)缆(lan)(lan)加工金(jin)属(shu)制作(zuo)防腐镀(du)锌(xin)、喷塑目录(lu)1胀缩问(wen)题(ti)2接(jie)(jie)(jie)地3荷载特性(xing)4结构形(xing)式5安(an)装要求▪桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)说明(ming)▪一般术(shu)语桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)胀缩问(wen)题(ti)编辑由于(yu)环境(jing)温(wen)度变化，钢(gang)质(zhi)电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)会(hui)出现热胀冷缩的现象。室外桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)受温(wen)度影响较大例如环境(jing)高温(wen)度为(wei)(wei)(wei)40℃，低温(wen)度为(wei)(wei)(wei)-20℃，则(ze)电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)的大收缩量(liang)按(an)下式求得：Δt=×10-6×60deg(度)×1000mm由此得出结论：温(wen)差(cha)为(wei)(wei)(wei)60℃时(shi)(shi)(shi),Δι=温(wen)差(cha)为(wei)(wei)(wei)50℃时(shi)(shi)(shi),Δι=温(wen)差(cha)为(wei)(wei)(wei)40℃时(shi)(shi)(shi),Δι=工程设计中(zhong)直(zhi)线段电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)应考(kao)虑伸缩接(jie)(jie)(jie)头，伸缩接(jie)(jie)(jie)头的间距建(jian)议按(an)以(yi)下取定：当温(wen)差(cha)为(wei)(wei)(wei)40℃时(shi)(shi)(shi)为(wei)(wei)(wei)50m;当温(wen)差(cha)为(wei)(wei)(wei)50℃时(shi)(shi)(shi)为(wei)(wei)(wei)40m;桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)接(jie)(jie)(jie)地编辑根据规(gui)范的有关规(gui)定，镀(du)锌(xin)电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)进行(xing)(xing)良好的接(jie)(jie)(jie)地。(1)镀(du)锌(xin)电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)直(zhi)接(jie)(jie)(jie)板每个固定螺栓接(jie)(jie)(jie)触电(dian)(dian)阻应小于(yu)Ω，此时(shi)(shi)(shi)电(dian)(dian)缆(lan)(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)可作(zuo)为(wei)(wei)(wei)接(jie)(jie)(jie)地干(gan)线。

电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)结构(gou)形式(shi)编(bian)辑电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)选择1.在工程设(she)计中，桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)(de)布置应根据经济合理(li)(li)性(xing)、技(ji)(ji)术可(ke)行性(xing)、运行安全性(xing)等因(yin)素综合比(bi)较，以确定佳方案(an)，还(hai)要(yao)(yao)(yao)充分满足(zu)(zu)施工安装、维(wei)护(hu)检修及电(dian)(dian)(dian)缆(lan)(lan)(lan)敷(fu)(fu)(fu)设(she)的(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求。2.桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)水(shui)平(ping)(ping)敷(fu)(fu)(fu)设(she)时(shi)距(ju)地(di)面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)高度一般不(bu)低于于，垂直敷(fu)(fu)(fu)设(she)时(shi)距(ju)地(di)面(mian)，但敷(fu)(fu)(fu)设(she)在电(dian)(dian)(dian)气房间内时(shi)除外。电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)水(shui)平(ping)(ping)敷(fu)(fu)(fu)设(she)在设(she)备夹层(ceng)或(huo)(huo)(huo)上人马道且低于2．5m，应采(cai)取保护(hu)接地(di)措施。3.桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)、线(xian)槽(cao)及其(qi)支(zhi)吊(diao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)使用(yong)在有(you)腐(fu)蚀(shi)性(xing)环(huan)境中，应采(cai)用(yong)耐(nai)腐(fu)蚀(shi)的(de)(de)(de)(de)(de)(de)(de)(de)刚性(xing)材(cai)料制造．或(huo)(huo)(huo)采(cai)取防(fang)腐(fu)蚀(shi)处理(li)(li)，防(fang)腐(fu)蚀(shi)处理(li)(li)方式(shi)应满足(zu)(zu)工程环(huan)境和(he)耐(nai)久性(xing)的(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求。对耐(nai)腐(fu)蚀(shi)性(xing)能(neng)要(yao)(yao)(yao)求较高或(huo)(huo)(huo)要(yao)(yao)(yao)求洁净的(de)(de)(de)(de)(de)(de)(de)(de)场所(suo)，宜选用(yong)铝合金电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)。4.桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)在有(you)防(fang)火(huo)(huo)要(yao)(yao)(yao)求的(de)(de)(de)(de)(de)(de)(de)(de)区段内，可(ke)在电(dian)(dian)(dian)缆(lan)(lan)(lan)梯架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)，托(tuo)盘内添加具(ju)有(you)耐(nai)火(huo)(huo)或(huo)(huo)(huo)难燃(ran)性(xing)能(neng)的(de)(de)(de)(de)(de)(de)(de)(de)板，网等材(cai)料构(gou)成封闭或(huo)(huo)(huo)半(ban)封闭式(shi)结构(gou)，并采(cai)取在桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)及其(qi)支(zhi)吊(diao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)表面(mian)涂刷防(fang)火(huo)(huo)涂层(ceng)等措施，其(qi)整体耐(nai)火(huo)(huo)性(xing)能(neng)应满足(zu)(zu)国家有(you)关规范或(huo)(huo)(huo)标准的(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求。在工程防(fang)火(huo)(huo)要(yao)(yao)(yao)求较高的(de)(de)(de)(de)(de)(de)(de)(de)场所(suo)，不(bu)宜采(cai)用(yong)铝合金电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)。5.需要(yao)(yao)(yao)屏(ping)蔽电(dian)(dian)(dian)磁干扰的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)缆(lan)(lan)(lan)线(xian)路．或(huo)(huo)(huo)有(you)防(fang)护(hu)外部影n向如户外日照，油，腐(fu)蚀(shi)性(xing)液(ye)体、易(yi)燃(ran)粉尘等环(huan)境要(yao)(yao)(yao)求时(shi)．应选用(yong)无(wu)孔托(tuo)盘式(shi)电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)。6.在容易(yi)积(ji)聚粉尘的(de)(de)(de)(de)(de)(de)(de)(de)场所(suo)，电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)应选用(yong)盖板。电(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)，现品现货，技(ji)(ji)术支(zhi)持，良好服务，三民桥(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)。

在(zai)公(gong)共通道或室外跨越(yue)道路(lu)段．底层桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)上宜(yi)加(jia)垫板(ban)(ban)或使用无孔(kong)托盘(pan)。7.不同(tong)(tong)电(dian)(dian)(dian)(dian)压、不同(tong)(tong)用途(tu)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)不宜(yi)敷(fu)设(she)(she)在(zai)同(tong)(tong)一层电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)内(nei)(nei)：(1)1kV以(yi)上和(he)1kV及以(yi)下(xia)(xia)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)：(2)同(tong)(tong)一路(lu)径向一级(ji)(ji)负荷(he)(he)供电(dian)(dian)(dian)(dian)的(de)(de)(de)(de)双(shuang)回(hui)路(lu)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)；(3)应急照明(ming)(ming)和(he)其他照明(ming)(ming)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)：(4)电(dian)(dian)(dian)(dian)力，控(kong)制(zhi)和(he)电(dian)(dian)(dian)(dian)信电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)。若(ruo)不同(tong)(tong)等(deng)级(ji)(ji)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)敷(fu)设(she)(she)在(zai)同(tong)(tong)一电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)时(shi)，中间应增(zeng)加(jia)隔板(ban)(ban)隔离。8.当(dang)钢制(zhi)直线段长(zhang)度超过(guo)30m，铝(lv)合金电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)超过(guo)15m时(shi)．或当(dang)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)经过(guo)建筑(zhu)伸(shen)缩(沉降(jiang))缝时(shi)应留有O-30mm补偿余量(liang)(liang)．其连(lian)接(jie)宜(yi)采用伸(shen)缩连(lian)接(jie)板(ban)(ban)。9.电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)梯架(jia)(jia)(jia)(jia)、托盘(pan)宽度和(he)高度的(de)(de)(de)(de)选(xuan)择应符(fu)合填(tian)充率(lv)的(de)(de)(de)(de)要(yao)求，电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)在(zai)梯架(jia)(jia)(jia)(jia)、托盘(pan)内(nei)(nei)的(de)(de)(de)(de)填(tian)充率(lv)一般情况下(xia)(xia)，动力电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)可(ke)取40%-50%，控(kong)制(zhi)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)可(ke)取50%。70%．且(qie)宜(yi)预留l0%一252工程发展裕(yu)量(liang)(liang)。10.在(zai)选(xuan)择电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)荷(he)(he)载(zai)(zai)(zai)等(deng)级(ji)(ji)时(shi)如果电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)支吊架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)实际跨距不等(deng)于2m时(shi)．则工作均布(bu)荷(he)(he)载(zai)(zai)(zai)应满足：式(shi)中qG----工作均布(bu)荷(he)(he)载(zai)(zai)(zai)，kN/m；qE----额定(ding)均布(bu)荷(he)(he)载(zai)(zai)(zai)，kN/m；LG----实际跨距，m。电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)设(she)(she)计(ji)公(gong)式(shi)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)设(she)(she)计(ji)使用都是有一定(ding)的(de)(de)(de)(de)公(gong)式(shi)可(ke)循的(de)(de)(de)(de)，下(xia)(xia)面介(jie)绍(shao)下(xia)(xia)具体的(de)(de)(de)(de)公(gong)式(shi)：在(zai)设(she)(she)计(ji)计(ji)算中，若(ruo)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)的(de)(de)(de)(de)实际载(zai)(zai)(zai)荷(he)(he)量(liang)(liang)用G总表(biao)示(shi)：则：G总=n1g1n2g2n3g3……式(shi)中：g1g2、g3……分别(bie)为(wei)(wei)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)内(nei)(nei)各种规格型号电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)(de)(de)(de)单位(wei)长(zhang)度重量(liang)(liang)。单位(wei)为(wei)(wei)。哪家(jia)电(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)厂家(jia)做的(de)(de)(de)(de)比较好？三民桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)！广(guang)东防(fang)火桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)厂家(jia)

喷涂线槽(cao)就找三民桥架。梅州(zhou)热镀锌(xin)桥架

顺应(ying)经济(ji)发展的(de)(de)潮流，以(yi)满足省、市重(zhong)点建设(she)(she)(she)(she)工程服务(wu)需要为(wei)目标，坚持诚信(xin)立(li)业，以(yi)市场为(wei)导向，竭诚为(wei)客户提供好的(de)(de)产品和满意的(de)(de)服务(wu)。尽可能沿(yan)建筑物的(de)(de)墙(qiang)、柱(zhu)(zhu)、梁及楼(lou)板架(jia)(jia)(jia)设(she)(she)(she)(she)，如许利用(yong)(yong)(yong)综合管廊架(jia)(jia)(jia)设(she)(she)(she)(she)时(shi)(shi),则应(ying)在管道一侧或(huo)上(shang)方(fang)平行架(jia)(jia)(jia)设(she)(she)(she)(she),并考虑引下线(xian)和分支线(xian)尽量(liang)避(bi)免(mian)交(jiao)叉(cha),如无(wu)其(qi)(qi)它管架(jia)(jia)(jia)借用(yong)(yong)(yong)，则需自(zi)设(she)(she)(she)(she)立(li)(支)柱(zhu)(zhu)。(2)荷载计算：计算电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)主(zhu)干线(xian)纵断面上(shang)单位长(zhang)(zhang)(zhang)度(du)的(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)重(zhong)量(liang)。(3)确(que)(que)定(ding)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)宽度(du)：根据布放电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)条数、电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)直径及电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)的(de)(de)间(jian)距(ju)来(lai)确(que)(que)定(ding)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)型(xing)号、规格(ge)(ge),托臂的(de)(de)长(zhang)(zhang)(zhang)度(du),支柱(zhu)(zhu)的(de)(de)长(zhang)(zhang)(zhang)度(du)、间(jian)距(ju)，桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)宽度(du)和层(ceng)数。(4)确(que)(que)定(ding)安(an)(an)装(zhuang)方(fang)式(shi)：根据场所的(de)(de)设(she)(she)(she)(she)置条件(jian)确(que)(que)定(ding)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)固定(ding)方(fang)式(shi),选择悬吊式(shi)、直立(li)式(shi)、侧壁式(shi)或(huo)是(shi)混(hun)合式(shi),连接件(jian)和紧固件(jian)一般是(shi)配(pei)套供应(ying)的(de)(de)，此外(wai)，根据桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)结构选折相(xiang)(xiang)应(ying)的(de)(de)盖板。(5)绘出电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)平、剖面图，局部(bu)部(bu)位还应(ying)绘出空间(jian)图，开(kai)列材料表。2、如与电(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)合用(yong)(yong)(yong)时(shi)(shi)，应(ying)将电(dian)(dian)(dian)(dian)(dian)力电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)和弱(ruo)电(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)各直一侧，中间(jian)采用(yong)(yong)(yong)隔(ge)板分隔(ge)。3、弱(ruo)电(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)与其(qi)(qi)它低电(dian)(dian)(dian)(dian)(dian)压电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)合用(yong)(yong)(yong)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)时(shi)(shi),应(ying)严格(ge)(ge)执行选择具(ju)有外(wai)屏蔽层(ceng)的(de)(de)弱(ruo)电(dian)(dian)(dian)(dian)(dian)系统(tong)的(de)(de)弱(ruo)电(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan),避(bi)免(mian)相(xiang)(xiang)互间(jian)的(de)(de)干扰。4、其(qi)(qi)它安(an)(an)装(zhuang)(1)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)由室外(wai)进(jin)入(ru)建筑物内时(shi)(shi),桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)向外(wai)的(de)(de)坡(po)度(du)不得小(xiao)于1/100。(2)电(dian)(dian)(dian)(dian)(dian)缆(lan)(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)与用(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)设(she)(she)(she)(she)备(bei)交(jiao)越(yue)时(shi)(shi),其(qi)(qi)间(jian)的(de)(de)净距(ju)不小(xiao)于。。梅州热镀锌(xin)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)

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