濟(ji)南(nan)電(dian)纜橋(qiao)架(jia)內(nei)電(dian)纜的(de)固定(ding)應(ying)符合(he)相關(guan)標準(zhun)規(gui)範的(de)規(gui)定(ding)

　　1、水平(ping)安(an)裝的(de)橋(qiao)架(jia)支架間(jian)距(ju)宜為 1.5m，垂直安(an)裝的(de)橋(qiao)架(jia)支架間(jian)距(ju)不(bu)應大於(yu)2m；

　　1. The spacing between horizontally installed bridge supports should be 1.5m, and the spacing between vertically installed bridge supports should not exceed 2m;

　　2、采(cai)用金屬吊(diao)架(jia)固定(ding)時(shi)，圓鋼或(huo)絲(si)桿不(bu)得小(xiao)於 8mm，並(bing)應(ying)有(you)防晃(huang)支架，在分(fen)支處(chu)或(huo)端(duan)部 0.3-0.5m 處(chu)應有(you)固定(ding)支架 ； 3、安裝在地下室等潮濕(shi)場(chang)所的(de)支架應按(an)要(yao)求(qiu)進行(xing)防腐處(chu)理(li)；4、橋(qiao)架(jia)支架按要(yao)求(qiu)作(zuo)倒(dao)角(jiao)處(chu)理(li)；橋(qiao)架(jia)支架應在(zai)地下室橫向、縱向區 域(yu)與(yu)消防管道(dao)及(ji)風管支架壹(yi)條(tiao)線布置(zhi)確(que)保(bao)美觀、整(zheng)齊(qi)；5、橋(qiao)架(jia)在(zai)走(zou)廊通道(dao)安(an)裝時(shi)，應在壹(yi)側(ce)預(yu)留(liu)大於(yu)等於 300mm 的(de)空(kong)間(jian)用(yong) 於檢修；驗收(shou)節(jie)點1、金(jin)屬線槽不(bu)應作(zuo)為設備接(jie)地導(dao)體(ti)，當(dang)設計無(wu)要(yao)求(qiu)時(shi)，金屬線槽全 長(chang)不(bu)少於(yu) 2 處(chu)與(yu) PE 線連接(jie)，鍍鋅線槽間(jian)的(de)連接(jie)板的(de)兩(liang)端不(bu)跨接(jie)接(jie)地 線，但(dan)連接(jie)板兩(liang)端不(bu)少於(yu) 2 個防松(song)螺母(mu)或(huo)防松(song)墊圈的(de)連接(jie)固定(ding)螺栓； 橋(qiao)架(jia)在(zai)變(bian)形縫(feng)處(chu)應安(an)裝伸縮節(jie)；槽架蓋(gai)在變(bian)形縫(feng)處(chu)獨(du)立(li)安裝（長(chang) 300mm）；2、非鍍(du)鋅(xin)電纜橋(qiao)架(jia)間(jian)連接(jie)板的(de)兩(liang)端跨(kua)接(jie)銅(tong)芯(xin)導(dao)線或(huo)編(bian)織銅(tong)線小截 面(mian)積不(bu)小於(yu) 4mm?；當鋼制電(dian)纜橋(qiao)架(jia)直(zhi)線長(chang)度超(chao)過(guo) 30m，鋁合(he)金電(dian)纜橋(qiao) 架(jia)超(chao)過(guo) 15m 時(shi)，或(huo)當(dang)電纜橋(qiao)架(jia)經(jing)過(guo)建築(zhu)伸縮（沈(chen)降）縫(feng)時(shi)應留(liu)有(you)20~30mm 補(bu)償余量(liang)，其(qi)連接(jie)宜采用伸縮連接(jie)板；驗收(shou)節(jie)點

　　2. When using metal hangers for fixation, round steel or threaded rods should not be less than 8mm and should have anti sway brackets. Fixed brackets should be provided at the branch or end 0.3-0.5m away; 3. Supports installed in damp places such as basements should undergo anti-corrosion treatment as required; 4. The bridge bracket shall be chamfered as required; The bridge bracket should be arranged in the horizontal and vertical areas of the basement along the same line as the fire and air duct brackets to ensure aesthetics and neatness; 5. When installing cable trays in corridors, a space of 300mm or more should be reserved on one side for maintenance; Acceptance node 1: Metal trunking should not be used as a grounding conductor for equipment. When there are no design requirements, the total length of the metal trunking should be connected to the PE line at least 2 places. The two ends of the connecting plate between galvanized trunking should not be crossed with grounding wires, but there should be no less than 2 fixing bolts with anti loosening nuts or anti loosening washers at both ends of the connecting plate; Expansion joints should be installed at the deformation joints of the bridge frame; The slot frame cover is installed independently at the deformation joint (300mm long); 2. The minimum cross-sectional area of the copper core wire or braided copper wire that crosses the two ends of the connecting plate between non galvanized cable trays shall not be less than 4mm ?; When the straight length of steel cable trays exceeds 30m, aluminum alloy cable trays exceed 15m, or when cable trays pass through building expansion (settlement) joints, a compensation allowance of 20-30mm should be left, and expansion connection plates should be used for their connections; Acceptance nodes

　　1、金(jin)屬電(dian)管應(ying)與(yu)電纜橋(qiao)架(jia)進行(xing)可(ke)靠(kao)的(de)跨(kua)接(jie)接(jie)地；地下室風管距(ju)離(li)墻(qiang)柱宜為 0.8-1.0m 便(bian)於(yu)橋(qiao)架(jia)翻越風管；2、橋(qiao)架(jia)與(yu)風管交叉時(shi)，應從風管上(shang)方(fang)翻越；橋(qiao)架(jia)與(yu)水管交叉時(shi)應從 水(shui)管上(shang)方(fang)翻越；嚴禁橋(qiao)架(jia)從防火(huo)卷(juan)簾(lian)上(shang)方(fang)穿(chuan)越(yue)；強(qiang)弱(ruo)電(dian)橋(qiao)架(jia)間(jian)距(ju)應(ying)不(bu) 小於(yu) 0.3m；橋(qiao)架(jia)與(yu)水管同(tong)行安裝其間(jian)距(ju)應(ying)不(bu)小於(yu) 0.3m；3、橋(qiao)架(jia)支架通長(chang)扁(bian)鋼敷(fu)設(she)確(que)保橋(qiao)架(jia)支架、橋(qiao)架(jia)接(jie)地可(ke)靠(kao)；橋(qiao)架(jia)支架 與(yu)橋(qiao)架(jia)采(cai)用(yong)軟線聯結(jie)驗(yan)收(shou)節(jie)點

　　1. Metal conduits should be reliably grounded across cable trays; The distance between the basement air duct and the wall column should be 0.8-1.0m to facilitate the bridge to climb over the air duct; 2. When the bridge intersects with the air duct, it should be flipped over from above the air duct; When the bridge intersects with the water pipe, it should be flipped over from above the water pipe; It is strictly prohibited for cable trays to pass over fire-resistant rolling shutters; The distance between the strong and weak bridge frames should not be less than 0.3m; the distance between the bridge frame and the water pipe when installed together should not be less than 0.3m; 3. The laying of the full-length flat steel of the bridge frame support ensures reliable grounding of the bridge frame support and bridge frame; The bridge bracket and bridge are connected by flexible wires for acceptance nodes

　　1、橋(qiao)架(jia)安(an)裝前根據管線深化(hua)確(que)定(ding)的(de)標高，應在混凝土及(ji)磚墻(qiang)上(shang)預(yu)留(liu)橋(qiao)架(jia)孔(kong)洞(dong)（預(yu)留(liu)洞(dong)尺寸：橋(qiao)架(jia)長(chang)+50mm，橋(qiao)架(jia)寬(kuan)+50mm）2、地下室強(qiang)弱(ruo)電(dian)橋(qiao)架(jia)穿(chuan)越(yue)相鄰(lin)防火(huo)分(fen)區，依(yi)據(ju)建築(zhu)防火(huo)規(gui)範，需對(dui) 橋(qiao)架(jia)穿(chuan)墻(qiang)洞(dong)口(kou)處(chu)進行(xing)防火(huo)封(feng)堵(du)；

　　1. Before installing the cable tray, according to the elevation determined by the deepening of the pipeline, cable tray holes should be reserved on the concrete and brick walls (reserved hole size: cable tray length+50mm, cable tray width+50mm). 2. When the strong and weak electrical cable tray in the basement passes through adjacent fire compartments, according to the building fire protection regulations, the openings of the cable tray through the wall should be sealed for fire protection;

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