電纜橋(qiao)架安(an)裝施工(gong)標準(zhun)

　　Construction standards for cable tray installation

　　壹、橋(qiao)架防護層

　　1、 Bridge protection layer

　　熱浸(jin)鋅(xin)橋(qiao)架：

　　Hot dip galvanized bridge:

　　1）熱浸鍍鋅(xin)橋(qiao)架鍍層表面(mian)應均(jun)勻(yun)，無毛刺、過燒、掛灰(hui)、傷痕、局部未鍍鋅(xin)。不(bu)得(de)有影(ying)響(xiang)安(an)裝的鋅(xin)瘤

　　1) The surface of the hot-dip galvanized bridge coating should be uniform, free of burrs, overburning, dust hanging, scars, and partial lack of galvanizing. There shall be no zinc nodules that may affect installation

　　2）熱浸鋅(xin)鍍鋅(xin)層厚(hou)度(du):平(ping)均(jun)值≥65微米，螺(luo)絲、螺(luo)帽、墊片(pian)≥20微米

　　2) Hot dip galvanized layer thickness: average ≥ 65 microns, screws, nuts, washers ≥ 20 microns

　　電鍍鋅(xin)橋(qiao)架：

　　Galvanized cable tray:

　　1)電鍍鋅(xin)的鋅(xin)層表面(mian)應光(guang)滑(hua)均(jun)勻(yun)，致(zhi)密。不(bu)得(de)有起(qi)皮(pi)、氣(qi)泡(pao)、花斑、局部未鍍、劃傷等(deng)缺(que)陷

　　1) The surface of the zinc layer of electroplated zinc should be smooth, uniform, and dense. There shall be no defects such as peeling, bubbles, flower spots, partial uncoated areas, scratches, etc

　　2)電鍍鋅(xin)鋅(xin)層厚(hou)度(du)：≥12微米，螺(luo)絲、螺(luo)帽、墊片(pian)≥6微米

　　2) Galvanized zinc layer thickness: ≥ 12 microns, screws, nuts, washers ≥ 6 microns

　　噴塑(su)橋(qiao)架:

　　Spray painted bridge frame:

　　1)噴塑(su)層的表(biao)面應(ying)平(ping)整、光(guang)滑(hua)、均(jun)勻(yun)、不(bu)起皮(pi)、無起皺、氣泡(pao)等(deng)缺(que)陷

　　1) The surface of the spray coating should be flat, smooth, uniform, without peeling, wrinkling, bubbles or other defects

　　2）噴塑(su)層表面(mian)厚(hou)度(du)≥60微米，噴漆(qi)層表面(mian)厚(hou)度(du)≥50微米，防火層表面(mian)厚(hou)度(du)≥500微米

　　2) The surface thickness of the spray coating is ≥ 60 microns, the surface thickness of the spray coating is ≥ 50 microns, and the surface thickness of the fireproof layer is ≥ 500 microns

　　二、橋(qiao)架外(wai)觀尺寸(cun)

　　2、 Exterior dimensions of bridge frame

　　橋(qiao)架表面:橋(qiao)架表面應無變形(xing)、劃傷、開裂(lie)。兩對(dui)邊應(ying)平(ping)行，兩(liang)側邊對(dui)底(di)邊(bian)應垂直(zhi)，斷(duan)面(mian)形(xing)狀端(duan)正，無彎曲、裂(lie)紋、邊(bian)緣毛(mao)刺等(deng)缺(que)陷

　　Bridge surface: The bridge surface should be free of deformation, scratches, and cracks. Two pairs of edges should be parallel, and the two sides should be perpendicular to the bottom edge. The cross-sectional shape should be straight and free of defects such as bending, cracks, and edge burrs

　　橋(qiao)架內(nei)側:橋(qiao)架內(nei)側應平(ping)整光(guang)滑(hua)，無損傷電纜絕緣(yuan)的凸(tu)起(qi)尖(jian)角，端(duan)頭(tou)毛刺(ci)高(gao)度(du)不(bu)應大(da)於0.1mm

　　Inner side of the cable tray: The inner side of the cable tray should be flat and smooth, without any protrusions or sharp corners that damage the cable insulation. The height of the end burrs should not exceed 0.1mm

　　橋(qiao)架長(chang)度(du)偏(pian)差:橋(qiao)架長(chang)度(du)≤2m，偏(pian)差±2mm；長(chang)度(du)＞2m，偏(pian)差±4mm。直(zhi)線(xian)段(duan)每米偏(pian)差應(ying)不(bu)大(da)於1mm，垂直(zhi)度(du)（底(di)邊(bian)對側邊）允(yun)許(xu)偏(pian)差0.5%

　　Bridge length deviation: Bridge length ≤ 2m, deviation ± 2mm; length>2m, deviation ± 4mm. The deviation per meter of straight section should not exceed 1mm, and the allowable deviation for verticality (bottom edge to side edge) is 0.5%

　　橋(qiao)架板厚(hou):橋(qiao)架板厚(hou)：寬(kuan)度(du)100～150 1.2mm；150～400 1.5mm；400～800 2mm；800以(yi)上2.5mm

　　Bridge board thickness: Bridge board thickness: Width 100-150 1.2mm; 150-400 1.5mm; 400-800 2mm; above 800 mm, 2.5mm

　　托盤連接板厚(hou)度(du):托(tuo)盤連接板厚(hou)度(du)應(ying)不(bu)小(xiao)於(yu)托盤厚(hou)度(du)，梯(ti)架連接板板(ban)厚(hou)應(ying)大(da)於梯(ti)架厚(hou)度(du)壹個等(deng)級

　　Thickness of tray connecting plate: The thickness of tray connecting plate should not be less than that of tray, and the thickness of ladder connecting plate should be one level greater than that of ladder

　　托盤蓋板厚(hou)度(du):托(tuo)盤蓋板厚(hou)度(du)可(ke)按(an)托(tuo)盤厚(hou)度(du)、梯(ti)架蓋板厚(hou)度(du)可(ke)低(di)於(yu)梯架厚(hou)度(du)壹個等(deng)級

　　Tray cover thickness: The thickness of the tray cover can be one level lower than the thickness of the ladder, and the thickness of the ladder cover can be one level lower than the thickness of the ladder

　　三、膨(peng)脹螺(luo)絲安(an)裝

　　3、 Installation of expansion screws

　　膨脹螺(luo)絲使用(yong)條件：套(tao)管加(jia)強(qiang)型膨脹(zhang)螺(luo)栓用(yong)於(yu)載荷(he)較(jiao)大(da)或有(you)震(zhen)動(dong)的(de)固(gu)定支架及設備與(yu)水(shui)泥墻面(mian)的固(gu)定。錐帽(mao)型膨脹(zhang)螺(luo)栓用(yong)於(yu)輕(qing)型支架及設備與(yu)水(shui)泥墻面(mian)的固(gu)定

　　Conditions for use of expansion screws: Sleeve reinforced expansion bolts are used for fixing brackets and equipment with large loads or vibrations to cement walls. Cone cap expansion bolts are used for fixing lightweight supports and equipment to cement walls

　　膨脹(zhang)螺(luo)絲吊(diao)點拉(la)拔試(shi)驗(yan)：膨脹(zhang)螺(luo)絲吊(diao)點拉(la)拔試(shi)驗(yan)，應包(bao)括動(dong)荷(he)載加(jia)上實際承載乘(cheng)以(yi)2倍(bei)，但(dan)不(bu)得(de)超過(guo)其(qi)極(ji)限(xian)抗拉(la)力(li)，試(shi)驗(yan)結果(guo)應符合(he)要求(qiu)

　　Expansion screw suspension point pull-out test: The expansion screw suspension point pull-out test should include dynamic load plus actual load multiplied by 2, but should not exceed its ultimate tensile strength. The test results should meet the requirements

　　膨脹螺(luo)栓套(tao)管厚(hou)度(du)：膨(peng)脹(zhang)螺(luo)栓的(de)套(tao)管厚(hou)度(du)不(bu)應小(xiao)於(yu)0.8mm

　　Expansion bolt sleeve thickness: The sleeve thickness of the expansion bolt should not be less than 0.8mm

　　膨脹(zhang)螺(luo)栓位(wei)置(zhi)與混(hun)凝土結構邊(bian)緣距(ju)離：膨(peng)脹(zhang)螺(luo)栓錨(mao)固(gu)位置(zhi)與混(hun)凝土結構邊(bian)緣距(ju)離，不(bu)應小(xiao)於(yu)8倍(bei)孔(kong)徑(jing)，膨(peng)脹(zhang)螺(luo)栓之間(jian)間(jian)距(ju)不(bu)應小(xiao)於(yu)10倍(bei)孔(kong)徑(jing)

　　The distance between the position of the expansion bolt and the edge of the concrete structure: The distance between the anchorage position of the expansion bolt and the edge of the concrete structure should not be less than 8 times the aperture, and the distance between the expansion bolts should not be less than 10 times the aperture

　　膨(peng)脹(zhang)螺(luo)栓安(an)裝後外(wai)觀：安(an)裝後的膨(peng)脹螺(luo)栓套(tao)管不(bu)應外(wai)露、平(ping)墊彈(dan)簧墊(dian)齊全，螺(luo)母(mu)緊固(gu)牢固(gu)

　　Appearance after installation of expansion bolt: The expansion bolt sleeve should not be exposed after installation, the flat spring pad should be complete, and the nut should be firmly fastened

　　四、虎(hu)口(kou)夾安(an)裝

　　4、 Tiger mouth clamp installation

　　工(gong)字鋼上固(gu)定虎口(kou)夾：在(zai)工(gong)字鋼上固(gu)定虎口(kou)夾時，虎口(kou)夾的頂(ding)絲(si)應(ying)在(zai)下端(duan)

　　Fixing tiger mouth clamp on I-beam: When fixing tiger mouth clamp on I-beam, the top wire of the tiger mouth clamp should be at the lower end

　　工(gong)字鋼上固(gu)定重型虎口(kou)夾：在(zai)工(gong)字鋼上固(gu)定載荷(he)較(jiao)大(da)或有(you)震(zhen)動(dong)的(de)支吊(diao)架時，應采(cai)用(yong)重型虎口(kou)夾加(jia)鉤(gou)形(xing)件的(de)形(xing)式固(gu)定

　　Fixing heavy-duty tiger clamps on I-beams: When fixing supports and hangers with large loads or vibrations on I-beams, heavy-duty tiger clamps with hook shaped components should be used for fixation

　　五、支架制作安(an)裝

　　5、 Bracket fabrication and installation

　　支架鋼材：支架所用(yong)鋼材應平(ping)直(zhi)無彎曲、扭曲變形(xing)。下料後長(chang)短偏(pian)差應(ying)在(zai)3mm範圍內(nei)，切(qie)口(kou)處應(ying)無卷邊、毛刺，尖銳(rui)角應(ying)打(da)磨(mo)成(cheng)圓(yuan)角

　　Bracket steel: The steel used for the bracket should be straight without bending or twisting deformation. After cutting, the length deviation should be within 3mm, and there should be no curled edges or burrs at the incision. Sharp corners should be polished into rounded corners

　　支架焊接焊縫：支架焊接焊縫應均(jun)勻(yun)、飽滿(man)、平(ping)整，無明顯變(bian)形(xing)，焊接牢固(gu)，焊角高(gao)度(du)5mm，焊縫長(chang)度(du)符合(he)要求(qiu)。不(bu)得(de)出(chu)現裂(lie)紋、咬(yao)邊、氣(qi)孔、凹陷、漏焊等(deng)缺(que)陷。焊接厚(hou)度(du)超(chao)過(guo)4mm的(de)支架應打(da)坡口(kou)

　　Bracket welding seam: The bracket welding seam should be uniform, full, flat, without obvious deformation, firmly welded, with a welding angle height of 5mm and a welding seam length that meets the requirements. There shall be no defects such as cracks, undercutting, porosity, dents, or solder leaks. Supports with welding thickness exceeding 4mm should be chamfered

　　焊縫周圍的飛濺物：焊縫周圍的飛濺物及藥(yao)皮應清理幹凈(jing)，焊縫應打(da)磨(mo)平(ping)整

　　Splash around the weld seam: Splash and coating around the weld seam should be cleaned up, and the weld seam should be polished flat

　　門(men)形(xing)固(gu)定支架：門(men)形(xing)固(gu)定支架必須(xu)采(cai)用(yong)焊接，角部不(bu)得(de)采(cai)用(yong)螺(luo)絲連接(jie)形(xing)式

　　Door shaped fixed bracket: The door shaped fixed bracket must be welded, and the corners must not be connected by screws

　　C型鋼支吊(diao)架：用C型鋼制作的支、吊(diao)架，其端(duan)頭(tou)應刷(shua)防銹底(di)漆(qi)及(ji)面(mian)漆(qi)並用專用塑(su)料封堵端(duan)頭(tou)

　　C-shaped steel support and hanger: supports and hangers made of C-shaped steel should have their ends coated with anti rust primer and topcoat, and sealed with specialized plastic

　　支架安(an)裝：支架安(an)裝應橫平(ping)豎直(zhi)，固(gu)定牢固(gu)

　　Bracket installation: The bracket installation should be horizontal and vertical, and firmly fixed

　　六(liu)、絲(si)桿(gan)安(an)裝

　　6、 Screw installation

　　絲桿(gan)選(xuan)擇：400mm及以(yi)下(xia)橋(qiao)架，絲桿(gan)≥10mm，600mm及(ji)以(yi)下(xia)橋(qiao)架，絲桿(gan)≥12mm，1000mm及(ji)以(yi)下(xia)橋(qiao)架，絲桿(gan)≥14mm

　　Wire rod selection: 400mm and below bridge frame, wire rod ≥ 10mm, 600mm and below bridge frame, wire rod ≥ 12mm, 1000mm and below bridge frame, wire rod ≥ 14mm

　　絲(si)桿(gan)安(an)裝：長(chang)絲吊(diao)桿(gan)，應(ying)與(yu)地(di)面垂直(zhi)。橫擔(dan)應(ying)水(shui)平(ping)、支架、橫擔(dan)、角鋼外(wai)沿棱角部分，應打(da)磨(mo)成(cheng)園(yuan)角補(bu)刷(shua)防銹漆(qi)及(ji)面(mian)漆(qi)

　　Installation of screw rod: The long wire suspension rod should be perpendicular to the ground. The cross arm should be horizontal, the bracket, the cross arm, and the outer edge and corners of the angle steel should be polished into rounded corners, and then coated with anti rust paint and topcoat

　　絲(si)桿(gan)與(yu)橫擔(dan)固(gu)定：吊(diao)桿(gan)穿(chuan)橫擔(dan)處(chu)，上下各(ge)有壹個螺(luo)母(mu)，荷(he)載較(jiao)大(da)橋(qiao)架，下端(duan)上兩個螺(luo)母(mu)，待橫擔(dan)調(tiao)平(ping)後，上下螺(luo)母(mu)上緊，下(xia)端(duan)絲(si)桿(gan)露(lu)出(chu)螺(luo)母(mu)20mm

　　Screw and cross arm fixation: At the point where the suspension rod passes through the cross arm, there are two nuts on each top and bottom. For bridges with large loads, there are two nuts on the lower end. After the cross arm is leveled, the upper and lower nuts are tightened, and the lower screw rod exposes 20mm of the nut

　　七(qi)、支吊(diao)架安(an)裝

　　7、 Installation of supports and hangers

　　支、吊(diao)架間(jian)距(ju)：支吊(diao)架間(jian)距(ju)：寬度(du)小(xiao)於(yu)800mm的橋(qiao)架，支吊(diao)架間(jian)距(ju)為2m，寬(kuan)度(du)等(deng)於大(da)於800mm，支吊(diao)架間(jian)距(ju)為1.5米

　　Spacing between supports and hangers: For bridge trays with a width less than 800mm, the spacing between supports and hangers is 2m. For bridges with a width equal to or greater than 800mm, the spacing between supports and hangers is 1.5m

　　在(zai)走向(xiang)改變(bian)處(chu)增(zeng)加(jia)支、吊(diao)架：在(zai)距(ju)三通、彎頭(tou)、變高(gao)彎(wan)上下500mm處增加(jia)支、吊(diao)架

　　Add supports and hangers at changes in direction: Add supports and hangers at a distance of 500mm up and down from tees, bends, and height changing bends

　　固(gu)定支架設置(zhi)：在(zai)接線(xian)箱(xiang)、配(pei)電(dian)箱(xiang)、配(pei)電(dian)櫃(gui)、轉角彎(wan)、變高(gao)彎(wan)和變形(xing)縫兩(liang)端(duan)及(ji)丁字接(jie)頭(tou)的三(san)端(duan)500mm以(yi)內(nei)應設固(gu)定支架

　　Fixed bracket installation: Fixed brackets should be installed within 500mm of both ends of junction boxes, distribution boxes, distribution cabinets, corner bends, height bends, and deformation joints, as well as the three ends of T-shaped joints

　　八、橋(qiao)架安(an)裝

　　8、 Bridge installation

　　橋(qiao)架連接頭(tou)：電纜橋(qiao)架水平(ping)敷設時，橋(qiao)架之間(jian)的連(lian)接(jie)頭(tou)應盡(jin)量(liang)設置(zhi)在(zai)跨(kua)距(ju)的1／4左右處(chu)

　　Cable tray connectors: When laying cable trays horizontally, the connectors between trays should be set at about 1/4 of the span as much as possible

　　橋(qiao)架平(ping)面對(dui)縫：橋(qiao)架平(ping)面對(dui)縫不(bu)應大(da)於1.5mm,對(dui)縫(feng)處(chu)上下允許偏(pian)差±1mm。對(dui)縫平(ping)直(zhi)度(du)不(bu)應大(da)於2mm

　　Bridge plane joint: The joint of the bridge plane should not exceed 1.5mm, and the allowable deviation at the joint should be ± 1mm. The flatness of the joint should not exceed 2mm

　　橋(qiao)架與支架間(jian)固(gu)定螺(luo)栓：橋(qiao)架與支架間(jian)固(gu)定螺(luo)栓，橋(qiao)架與連接板(ban)固(gu)定螺(luo)栓應(ying)緊固(gu)無遺漏，防松(song)動(dong)零(ling)件齊全，螺(luo)母(mu)位(wei)於(yu)橋(qiao)架外(wai)側

　　Fixed bolts between bridge frame and bracket: The fixed bolts between bridge frame and bracket, and between bridge frame and connecting plate should be tightened without omission, with complete anti loosening parts and nuts located on the outside of the bridge frame

　　橋(qiao)架穿墻壁(bi)及樓(lou)板：橋(qiao)架穿越墻(qiang)壁(bi)和樓(lou)板時，橋(qiao)架接頭(tou)應置(zhi)於外(wai)面，不(bu)能置(zhi)於墻(qiang)壁(bi)內(nei)或樓(lou)板(ban)內(nei)

　　Bridge passing through walls and floors: When the bridge passes through walls and floors, the bridge joint should be placed outside and not inside the wall or floor

　　橋(qiao)架懸(xuan)臂(bi)段(duan)：橋(qiao)架安(an)裝時出(chu)現的(de)懸(xuan)臂(bi)段(duan)，不(bu)得(de)超過(guo)1m

　　Cantilever section of bridge: The cantilever section that appears during the installation of the bridge shall not exceed 1m

　　橋(qiao)架橫擔(dan)絲(si)桿(gan)孔(kong)徑(jing)：橋(qiao)架橫擔(dan)絲(si)桿(gan)孔(kong)徑(jing)，應(ying)比(bi)螺(luo)桿(gan)直(zhi)徑(jing)大(da)2mm

　　Cable tray cross arm screw hole diameter: The cable tray cross arm screw hole diameter should be 2mm larger than the screw diameter

　　鋁(lv)合(he)金(jin)橋(qiao)架與鋼支架固(gu)定：鋁(lv)合(he)金(jin)橋(qiao)架與鋼支架固(gu)定時，接(jie)觸面(mian)之間(jian)可用(yong)聚氯(lv)乙(yi)烯(xi)或氯(lv)丁(ding)橡膠襯(chen)墊隔(ge)離(li)絕緣(yuan)防電(dian)化(hua)腐(fu)蝕(shi)

　　Aluminum alloy bridge and steel bracket fixation: When fixing aluminum alloy bridge and steel bracket, PVC or chloroprene rubber pads can be used to isolate insulation and prevent electrochemical corrosion between the contact surfaces

　　橋(qiao)架水平(ping)度(du)、平(ping)行度(du)、垂直(zhi)度(du)偏(pian)差：橋(qiao)架的水平(ping)度(du)、平(ping)行度(du)、垂直(zhi)度(du)全(quan)長(chang)偏(pian)差不(bu)應大(da)於10mm

　　Deviation in levelness, parallelism, and verticality of the bridge: The overall deviation in levelness, parallelism, and verticality of the bridge should not exceed 10mm

　　橋(qiao)架加(jia)強(qiang)支、吊(diao)架：當(dang)橋(qiao)架寬度(du)＞300mm時(shi)，在(zai)非直(zhi)線(xian)段(duan)中部還(hai)應(ying)增設壹個加(jia)強(qiang)支、吊(diao)架

　　Bridge reinforcement support and hanger: When the width of the bridge is greater than 300mm, an additional reinforcement support and hanger should be added in the middle of the non-linear section

　　橋(qiao)架間(jian)凈(jing)距(ju)離：兩(liang)組(zu)橋(qiao)架在(zai)同壹橫擔(dan)上安(an)裝時，兩組(zu)橋(qiao)架間(jian)凈(jing)距(ju)離應(ying)不(bu)小(xiao)於(yu)50mm

　　Net distance between cable trays: When two groups of cable trays are installed on the same cross arm, the net distance between the two groups of cable trays should not be less than 50mm

　　橋(qiao)架向(xiang)外(wai)坡度(du)：槽(cao)式大(da)跨(kua)距(ju)橋(qiao)架由室外(wai)進(jin)入建築(zhu)物內(nei)時,橋(qiao)架向(xiang)外(wai)的坡度(du)不(bu)得(de)小(xiao)於(yu)1/100

　　Bridge outward slope: When the trough type large-span bridge enters the building from the outside, the outward slope of the bridge shall not be less than 1/100

　　橋(qiao)架敷設方(fang)位：橋(qiao)架不(bu)得(de)敷設在(zai)易(yi)燃易(yi)爆(bao)腐(fu)蝕(shi)性(xing)氣體(ti)管道和(he)熱(re)力(li)管道的(de)上方(fang)；腐(fu)蝕(shi)性(xing)液體管道和(he)普(pu)通水管道的(de)閥(fa)門(men)、活接頭(tou)下方(fang)

　　Cable tray laying direction: Cable trays shall not be laid above flammable, explosive, corrosive gas pipelines and thermal pipelines; Under valves and flexible joints of corrosive liquid pipelines and ordinary water pipelines

　　橋(qiao)架與其他管道間(jian)距(ju)：橋(qiao)架與壹般(ban)工(gong)藝管道平(ping)行凈(jing)距(ju)0.4m，交(jiao)叉凈(jing)距(ju)0.3m，與易(yi)燃、易(yi)爆(bao)氣體(ti)管道平(ping)行凈(jing)距(ju)0.5m，交(jiao)叉凈(jing)距(ju)0.5m，與熱(re)力(li)管道平(ping)行凈(jing)距(ju)0.5m，交(jiao)叉凈(jing)距(ju)0.3m

　　The distance between the bridge and other pipelines: the net distance between the bridge and general process pipelines is 0.4m, the net distance between the bridge and intersections is 0.3m, the net distance between the bridge and flammable and explosive gas pipelines is 0.5m, the net distance between the bridge and intersections is 0.5m, the net distance between the bridge and thermal pipelines is 0.5m, and the net distance between the bridge and intersections is 0.3m

　　九、橋(qiao)架自(zi)制(zhi)彎

　　9、 Self made bending of bridge frame

　　橋(qiao)架彎頭(tou)加(jia)工(gong)：橋(qiao)架彎頭(tou)加(jia)工(gong)，邦彎(wan)圓(yuan)或折(zhe)邊(bian)折(zhe)彎(wan)加(jia)工(gong)處，邦(bang)與(yu)底(di)應(ying)平(ping)齊，無變形(xing)、開裂(lie)、縫隙(xi)過大(da)。加(jia)工(gong)後對角線(xian)允許(xu)偏(pian)差±2mm

　　Bridge bend processing: For bridge bend processing, the edges should be bent or folded, and the edges should be level with the bottom, without deformation, cracking, or excessive gaps. The allowable deviation of the diagonal after processing is ± 2mm

　　橋(qiao)架自(zi)制(zhi)水平(ping)或垂直(zhi)90度(du)：彎(wan)橋(qiao)架自(zi)制(zhi)水平(ping)或垂直(zhi)90度(du)彎(wan)時(shi)，整體規整美(mei)觀。接縫(feng)拼(pin)縫(feng)緊密，內(nei)外(wai)壁(bi)加(jia)工(gong)處光(guang)滑(hua)無毛刺。方(fang)頸(jing)螺(luo)絲由內(nei)向(xiang)外(wai)穿且固(gu)定牢固(gu)。其彎(wan)曲(qu)半(ban)徑應符合(he)橋(qiao)架內(nei)電纜彎曲(qu)半徑(jing)要求

　　Self made horizontal or vertical 90 degree cable tray: When the curved cable tray is self made with a horizontal or vertical 90 degree bend, the overall appearance is neat and beautiful. The seams are tightly connected, and the processing of the inner and outer walls is smooth without burrs. The square neck screw penetrates from the inside out and is firmly fixed. The bending radius should meet the maximum cable bending radius requirement inside the cable tray

　　橋(qiao)架自(zi)制(zhi)變高(gao)彎(wan)：橋(qiao)架自(zi)制(zhi)變高(gao)彎(wan)折彎角度(du)宜(yi)為30度(du)，拼(pin)接(jie)處(chu)可(ke)采(cai)用(yong)方(fang)頸(jing)螺(luo)栓由內(nei)向(xiang)外(wai)穿出(chu)固(gu)定，加(jia)工(gong)處應(ying)光(guang)滑(hua)、平(ping)整、貼(tie)服、無銳(rui)角、毛(mao)刺。加(jia)工(gong)制做(zuo)處(chu)應補(bu)刷(shua)防銹漆(qi)和(he)與(yu)橋(qiao)架同色面(mian)漆(qi)

　　Self made elevated bending of bridge frame: The bending angle of self-made elevated bending of bridge frame should be 30 degrees, and square neck bolts can be used to fix the joints from inside to outside. The processing area should be smooth, flat, snug, without sharp angles or burrs. The processing and manufacturing area should be repainted with anti rust paint and topcoat of the same color as the bridge frame

　　線(xian)槽(cao)變(bian)高(gao)彎(wan)：線(xian)槽(cao)自(zi)制(zhi)變高(gao)彎(wan)，下內(nei)側彎貼(tie)橋(qiao)架底(di)部應有壹橫向(xiang)固(gu)定絲桿(gan)，並加(jia)套(tao)絕(jue)緣(yuan)防護管，用於固(gu)定電纜

　　Cable tray height increasing bend: The cable tray is self-made with a height increasing bend, and the lower inner side of the bend should be attached to the bottom of the bridge with a horizontal fixing screw, and an insulated protective tube should be added to fix the cable

　　梯架軟連接(jie)板(ban)或鉸(jiao)接板：在(zai)梯架引上、引下處應設置(zhi)變高(gao)彎(wan)，因受(shou)空(kong)間(jian)條件限(xian)制不(bu)便(bian)制(zhi)作變高(gao)彎(wan)或有(you)特(te)殊要求(qiu)時，可(ke)選(xuan)用軟連接(jie)板(ban)或鉸(jiao)接板。變高(gao)彎(wan)上下500mm內(nei)設置(zhi)支吊(diao)架

　　Ladder frame soft connection plate or hinge plate: Variable height bends should be installed at the top and bottom of the ladder frame. When it is inconvenient to make variable height bends due to space constraints or special requirements, soft connection plates or hinge plates can be used. Install supports and hangers within 500mm of the height change bend

　　橋(qiao)架與配電櫃(gui)連接形(xing)式：橋(qiao)架與配電櫃(gui)連接形(xing)式，應按(an)要(yao)求(qiu)方(fang)式進(jin)行加(jia)工(gong)制作連接。橋(qiao)架不(bu)可插(cha)入配電櫃(gui)內(nei)，配電(dian)櫃的開口(kou)應小(xiao)於(yu)橋(qiao)架內(nei)邊10mm，以(yi)利(li)於做(zuo)防火封堵(du)施(shi)工(gong)

　　Connection form between cable tray and distribution cabinet: The connection form between cable tray and distribution cabinet should be processed and connected according to the required method. The cable tray cannot be inserted into the distribution cabinet, and the opening of the distribution cabinet should be 10mm smaller than the inner edge of the cable tray to facilitate fireproof sealing construction

　　橋(qiao)架三通：橋(qiao)架內(nei)電纜為較(jiao)小(xiao)規格(ge)時(shi)，可(ke)采(cai)用(yong)直(zhi)通方(fang)式三通，包(bao)角連(lian)接片(pian)貼(tie)於(yu)橋(qiao)架內(nei)側；電纜規格(ge)較(jiao)大(da)時，三(san)通夾角處(chu)須(xu)有(you)45度(du)過(guo)度(du)、拼(pin)接(jie)處(chu)方(fang)頸(jing)螺(luo)栓由內(nei)向(xiang)外(wai)穿出(chu)固(gu)定，加(jia)工(gong)處應(ying)光(guang)滑(hua)、平(ping)整、貼(tie)服、無銳(rui)角、毛(mao)刺

　　Bridge tee: When the cables inside the bridge are of smaller specifications, a straight through tee can be used, with corner connectors attached to the inside of the bridge; When the cable specification is large, there must be a 45 degree transition at the angle of the tee, and the neck bolt of the splicing prescription should be fixed from the inside out. The processing area should be smooth, flat, snug, without sharp angles or burrs

　　槽(cao)式橋(qiao)架固(gu)定橫撐(cheng)：電(dian)纜在(zai)槽(cao)式橋(qiao)架內(nei)垂直(zhi)敷設時,在(zai)電纜的上端(duan)和(he)每間(jian)隔(ge)1.5米處，水(shui)平(ping)敷設時, 在(zai)纜線(xian)的首、尾(wei)、轉彎及每間(jian)隔(ge)4米處。增(zeng)加(jia)預制(zhi)橫撐(cheng)上。預制(zhi)橫撐(cheng)做(zuo)法的(de)做(zuo)法應(ying)符合(he)要求(qiu)

　　Fixed cross brace of trough type cable tray: When the cable is vertically laid in the trough type cable tray, it should be installed at the upper end of the cable and every 1.5 meters interval. When laid horizontally, it should be installed at the beginning, end, turn and every 4 meters interval of the cable. Add prefabricated cross braces. The method of prefabricated cross bracing should meet the requirements

　　十(shi)、橋(qiao)架接地

　　10、 Bridge grounding

　　噴塑(su)橋(qiao)架跨(kua)接(jie)地(di)線(xian)：噴塑(su)橋(qiao)架兩端(duan)應(ying)作跨(kua)接(jie)地(di)線(xian)，連接(jie)線(xian)應采(cai)用(yong)生(sheng)產廠(chang)家(jia)標(biao)配(pei)的(de)銅編織(zhi)跨(kua)接(jie)地(di)線(xian)或不(bu)小(xiao)於(yu)BV4mm2黃(huang)綠相間(jian)線(xian)。多(duo)芯連(lian)接(jie)線(xian)應采(cai)用(yong)壓接接線(xian)端(duan)子連接，可(ke)靠連(lian)接於(yu)橋(qiao)架本體上

　　Spray painted bridge cross grounding wire: Both ends of the spray painted bridge should be equipped with cross grounding wires, and the connecting wire should use the copper braided cross grounding wire standard by the manufacturer or a yellow green alternating wire not less than BV4mm2. Multi core connecting wires should be connected using crimping terminals and reliably connected to the bridge body

　　噴塑(su)橋(qiao)架跨(kua)接(jie)地(di)線(xian)連接(jie)：噴塑(su)橋(qiao)架跨(kua)接(jie)地(di)線(xian)應接(jie)在(zai)橋(qiao)架本體的接(jie)地預留(liu)孔上，不(bu)得(de)接在(zai)橋(qiao)架間(jian)的連(lian)接(jie)板(ban)上，整趟(tang)橋(qiao)架接地線(xian)應統壹在(zai)橋(qiao)架便(bian)於(yu)觀察側，不(bu)得(de)左右混(hun)接

　　Spray painted bridge cross grounding wire connection: The spray painted bridge cross grounding wire should be connected to the grounding reserved hole of the bridge body, and should not be connected to the connecting plate between the bridges. The grounding wire of the entire bridge should be unified on the side of the bridge for easy observation, and should not be mixed left and right

　　噴(pen)塑(su)橋(qiao)架爪(zhao)墊(dian)片(pian)：連(lian)接噴塑(su)橋(qiao)架跨(kua)接(jie)地(di)線(xian)時，接(jie)觸面間(jian)應使(shi)用(yong)生(sheng)產廠(chang)家(jia)標(biao)配(pei)的(de)爪(zhao)墊(dian)片(pian)，如(ru)無爪(zhao)墊(dian)片(pian)，需(xu)將接地孔周(zhou)圍絕緣(yuan)塗(tu)層幹凈(jing)

　　Spray painted bridge claw gasket: When connecting the spray painted bridge cross grounding wire, the manufacturer's standard claw gasket should be used between the contact surfaces. If there is no claw gasket, the insulation coating around the grounding hole needs to be cleaned

　　金(jin)屬橋(qiao)架接地幹線(xian)：金(jin)屬橋(qiao)架應在(zai)橋(qiao)架的始末端(duan)與(yu)接地幹線(xian)可靠(kao)連接，連接線(xian)應不(bu)小(xiao)於(yu)BV16mm2黃(huang)綠相間(jian)線(xian)

　　Metal bridge grounding main line: The metal bridge should be reliably connected to the grounding main line at the beginning and end of the bridge, and the connecting wire should not be less than BV16mm2 yellow green alternating wire

　　鍍鋅(xin)橋(qiao)架：鍍鋅(xin)橋(qiao)架間(jian)連接(jie)板(ban)兩(liang)端(duan)可(ke)不(bu)做跨(kua)接(jie)接(jie)地(di)線(xian)，但連(lian)接板兩端(duan)不(bu)少於(yu)2個有(you)防松(song)螺(luo)帽或防松(song)墊圈(quan)的(de)連(lian)接固(gu)定螺(luo)栓

　　Galvanized cable tray: The two ends of the connecting plate between galvanized cable trays do not need to be connected with a cross grounding wire, but there should be at least 2 connection fixing bolts with anti loosening nuts or anti loosening washers at both ends of the connecting plate

　　十(shi)壹、橋(qiao)架特(te)殊節點

　　11、 Bridge special nodes

　　橋(qiao)架伸縮縫或伸(shen)縮(suo)節：橋(qiao)架穿越建築(zhu)沈降(jiang)縫(feng)、伸縮縫或金(jin)屬橋(qiao)架直(zhi)線(xian)段(duan)每隔(ge)30m應(ying)予留(liu)20mm伸縮縫或設置(zhi)成(cheng)品(pin)伸(shen)縮節

　　Bridge expansion joints or expansion joints: When the bridge passes through building settlement joints, expansion joints, or metal bridge straight sections, 20mm expansion joints or finished expansion joints should be left every 30m

　　鋁(lv)合(he)金(jin)橋(qiao)架伸縮節：鋁(lv)合(he)金(jin)或玻(bo)璃(li)鋼制電纜橋(qiao)架長(chang)度(du)超(chao)過(guo)15m應(ying)設有伸(shen)縮(suo)節

　　Aluminum alloy cable tray expansion joint: Aluminum alloy or fiberglass cable trays with a length exceeding 15m should be equipped with expansion joints

　　橋(qiao)架伸縮縫處(chu)固(gu)定支架：應在(zai)橋(qiao)架伸縮縫或伸(shen)縮(suo)節兩(liang)端(duan)500mm內(nei)設置(zhi)固(gu)定支架

　　Fixed bracket at the expansion joint of the bridge: Fixed brackets should be installed within 500mm at both ends of the expansion joint or expansion joint of the bridge

　　橋(qiao)架配件、附件：鍍鋅(xin)橋(qiao)架與配件、附件和(he)緊固(gu)件各(ge)種型鋼均(jun)應(ying)采(cai)用(yong)鍍鋅(xin)標準(zhun)件

　　Cable tray accessories, attachments: Galvanized cable trays and accessories, attachments, and fasteners. All types of steel should use galvanized standard parts

　　橋(qiao)架垂直(zhi)安(an)裝：橋(qiao)架垂直(zhi)安(an)裝時，離所在(zai)地平(ping)面2m以(yi)內(nei)或容(rong)易(yi)受(shou)到機(ji)械損(sun)傷的地方(fang)應加(jia)裝(zhuang)固(gu)定蓋板(ban)保護

　　Vertical installation of cable trays: When installing cable trays vertically, fixed cover plates should be installed within 2 meters of the ground level or in areas prone to mechanical damage for protection

　　橋(qiao)架樓板處加(jia)固(gu)：橋(qiao)架垂直(zhi)穿(chuan)樓板處應(ying)在(zai)橋(qiao)架兩側用角鋼或槽(cao)鋼加(jia)固(gu)，加(jia)固(gu)用的(de)角鋼槽(cao)鋼長(chang)度(du)不(bu)應超(chao)出(chu)擋水堰(yan)

　　Reinforcement at the bridge floor: The vertical penetration of the bridge through the floor should be reinforced with angle steel or channel steel on both sides of the bridge, and the length of the angle steel channel steel used for reinforcement should not exceed the water barrier

　　橋(qiao)架防火封堵(du)：橋(qiao)架穿防火墻或穿(chuan)樓(lou)板(ban)處(chu)，應做防火封堵(du)，防火封堵(du)的(de)做法應(ying)符合(he)要求(qiu)

　　Bridge fireproof sealing: When the bridge passes through the firewall or floor slab, fireproof sealing should be carried out, and the method of fireproof sealing should meet the requirements

　　本文由  濟南電(dian)纜橋(qiao)架 友情(qing)奉(feng)獻.更(geng)多(duo)有關(guan)的(de)知(zhi)識請(qing)點擊  http://wdyvw.cn//  真誠的(de)態(tai)度(du).為(wei)您(nin)提供為的(de)服務.更(geng)多(duo)有關(guan)的(de)知(zhi)識我(wo)們將(jiang)會陸(lu)續向(xiang)大(da)家奉(feng)獻.敬請(qing)期待.

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