2023架空輸電線路安全備用線夾技術(shù)要求

架空輸電線路安全備用線夾技術(shù)要求22目 次前言 3范圍 4規(guī)性用4術(shù)和4型和4分類 6技要求 6材及6試方法 7試分及8志包裝 9裝9附錄A（資料性附錄）導(dǎo)線耐張預(yù)絞式安全備用線夾10附錄B（資料性附錄）地線耐張預(yù)絞式安全備用線夾15附錄C（資料性附錄）導(dǎo)線懸垂預(yù)絞式安全備用線夾16附錄D（資料性附錄）地線懸垂預(yù)絞式安全備用線夾18附錄E（資料性附錄）導(dǎo)線耐張楔形安全備用線夾19附錄F（資料性附錄）地線耐張楔形安全備用線夾20附錄G（資料性附錄）導(dǎo)線懸垂楔形安全備用線夾22附錄H（資料性附錄）地線懸垂楔形安全備用線夾24附錄I（資料性附錄）不同串型安全備用線夾的連接方式25PAGEPAGE10架空輸電線路安全備用線夾技術(shù)要求范圍本標(biāo)準(zhǔn)適用于架空輸電線路工程“三跨”區(qū)段導(dǎo)線、地線安全備用線夾。GB/T699優(yōu)質(zhì)碳素結(jié)構(gòu)鋼GB/T700碳素結(jié)構(gòu)鋼GB/T1179圓線同心絞架空導(dǎo)線GB/T2314電力金具通用技術(shù)條件GB/T2479普通磨料白剛玉GB/T3191鋁及鋁合金擠壓棒材GB/T2317.3電力金具試驗(yàn)方法第3部分：熱循環(huán)試驗(yàn)GB/T17937電工用鋁包鋼線DL/T759連接金具DL/T763架空線路用預(yù)絞式金具技術(shù)條件YB/T065硅鋁合金下列術(shù)語(yǔ)和定義適用于本標(biāo)準(zhǔn)。3.1安全備用線夾backupsafetyclamp當(dāng)輸電路線路中耐張線夾、懸垂線夾功能失效或線夾出口處導(dǎo)（地）線斷線時(shí)，能夠避免導(dǎo)（地）線掉落，維持線路短期正常運(yùn)行的一種金具組合。3.2三跨crossingspan跨越高速鐵路、高速公路和重要輸電通道的架空輸電線路區(qū)段，簡(jiǎn)稱“三跨”安全備用線夾的命名方法一般應(yīng)符合DL/T683的規(guī)定。安全備用線夾的型號(hào)標(biāo)記如圖1所示?！酢酢酢酢鯀?shù)2參數(shù)1線纜類別型式類別（SBC）圖1安全備用線夾的型號(hào)標(biāo)記安全備用線夾金具類別及型式含義見(jiàn)表1。表1安全備用線夾類別、型式含義金具類別金具型式代號(hào)備注安全備用線夾耐張預(yù)絞式SBC(NJ)耐張代碼N、預(yù)絞式代碼J默認(rèn)缺省耐張楔形SBC(N)X耐張代碼N默認(rèn)缺省懸垂預(yù)絞式SBCXJ懸垂楔形SBCXX線纜類別由適用線纜類別見(jiàn)表2。表2線纜類別適用線纜類別代號(hào)適用線纜類別代號(hào)光纖復(fù)合架空地線（OPGW）O導(dǎo)線缺省光纖復(fù)合架空相線（OPPC）P地線G1參數(shù)1的含義是：a)對(duì)于OPGW和OPPC，參數(shù)1是其標(biāo)稱破壞載荷（kN）。b)對(duì)于導(dǎo)、地線，參數(shù)1缺省。2參數(shù)2的含義是：a)對(duì)于OPGW，參數(shù)2是其適用線纜的直徑范圍，范圍按DL/T763的規(guī)定執(zhí)行。b)對(duì)于導(dǎo)、地線和OPPC，參數(shù)2為適用的絞線型號(hào)。絞線型號(hào)按照GB/T1179的規(guī)定執(zhí)行。LGJ-400/35導(dǎo)線耐張用預(yù)絞式安全備用線夾，其標(biāo)記為SBC-400/35。外徑為16.5mm，標(biāo)稱破壞載荷為100kN的OPGW懸垂用預(yù)絞式安全備用線夾，其標(biāo)記為SBCXJ-O-100-（15.6-17.3）。分類A-D。E-H。GB/T2314DL/T763。1.11。表3安全備用線夾握力與導(dǎo)線地線計(jì)算拉斷力之比金具類別百分比預(yù)絞式安全備用線夾（截面400mm2及以下）80%預(yù)絞式安全備用線夾（截面400mm2以上）65%楔形安全備用線夾95%（）GB/T1179GB/T2314DL/T759DL/T763a）鋁包鋼絲按GB/T17937，采用LB20型鋁包鋼絲，抗拉強(qiáng)度不應(yīng)低于1100MPa。340MPa。GB/T247960#～120#。YB/T065FeAl20Si3560#～120#。GB/T2314DL/T759GB/T31916082(T6)b)掛板材質(zhì)應(yīng)符合GB/T699和GB/T700的規(guī)定或由供需雙方協(xié)商確定。a）預(yù)絞式安全備用線夾采用螺旋預(yù)成型工藝制造。6。d)e)f)預(yù)絞絲色標(biāo)應(yīng)采用耐水油漆，色標(biāo)應(yīng)整齊一致，清晰可見(jiàn)，色標(biāo)長(zhǎng)度不小于10mm。g)應(yīng)把成型好的單絲綁扎或粘接在一起，以保證在后續(xù)運(yùn)輸和安裝過(guò)程中不會(huì)散股。a）線夾主體及楔塊采用鍛造成型工藝制造或由供需雙方協(xié)商確定。DL/T759外觀檢查應(yīng)以目測(cè)方式進(jìn)行。尺寸預(yù)絞式安全備用線夾測(cè)量應(yīng)依據(jù)DL/T763試驗(yàn)方法，分別選用適宜的量具進(jìn)行。楔形安全備用線夾測(cè)量應(yīng)依據(jù)DL/T757試驗(yàn)方法。熱鍍鋅層試驗(yàn)方法依據(jù)DL/T768.7。鋁覆蓋層厚度試驗(yàn)方法依據(jù)GB/T1179。將預(yù)絞式安全備用線夾或楔形安全備用線夾與配套絞線安裝好，依據(jù)GB/T2317.1中的機(jī)械強(qiáng)度試驗(yàn)方法進(jìn)行試驗(yàn)。將預(yù)絞式安全備用線夾或楔形安全備用線夾與配套絞線安裝好，依據(jù)GB/T2317.1中的機(jī)械強(qiáng)度試驗(yàn)方法進(jìn)行試驗(yàn)。將預(yù)絞式安全備用線夾或楔形安全備用線夾與配套絞線安裝好，依據(jù)GB/T2317.3中的接觸電阻試驗(yàn)方法進(jìn)行試驗(yàn)。將預(yù)絞式安全備用線夾或楔形安全備用線夾與配套絞線安裝好，依據(jù)GB/T2317.3中的溫升及熱循環(huán)試驗(yàn)方法進(jìn)行試驗(yàn)。總則金具應(yīng)按表4進(jìn)行型式試驗(yàn)，“○”表示進(jìn)行該試驗(yàn)。如果試驗(yàn)全部符合要求，則該種產(chǎn)品為合格?？倓t抽樣試驗(yàn)的目的是證實(shí)材料和產(chǎn)品的性能，抽樣試驗(yàn)按批進(jìn)行，在一批金具中隨機(jī)抽取試驗(yàn)樣品。金具應(yīng)按表4進(jìn)行抽樣試驗(yàn)。受試樣品在送交檢驗(yàn)的批次中隨機(jī)選取。需方有選擇受試樣品的權(quán)利。表4安全備用線夾試驗(yàn)項(xiàng)目及數(shù)量試驗(yàn)項(xiàng)目型式試驗(yàn)抽樣試驗(yàn)例行試驗(yàn)標(biāo)準(zhǔn)外觀○○○GB/T2314尺寸○○○按圖樣要求組裝○○按圖樣要求熱鍍鋅層○○DL/T768.7鋁覆蓋層厚度○○GB/T1179握力○○GB/T2317.1機(jī)械破壞載荷○○GB/T2317.1電阻○GB/T2317.3溫升試驗(yàn)○GB/T2317.3熱循環(huán)試驗(yàn)○GB/T2317.3總則例行試驗(yàn)的目的是驗(yàn)證金具是否符合專門(mén)的技術(shù)要求，在每個(gè)金具上進(jìn)行。試驗(yàn)不應(yīng)損壞金具。經(jīng)供需雙方商定，金具可進(jìn)行表2列出的例行試驗(yàn)。不符合技術(shù)要求的金具應(yīng)剔除。如果試件全部符合要求，則該種產(chǎn)品為合格。安全備用線夾應(yīng)按GB/T2317.4，經(jīng)制造廠的質(zhì)量檢驗(yàn)部門(mén)檢驗(yàn)合格方能出廠。標(biāo)志預(yù)絞式安全備用線夾的標(biāo)志應(yīng)符合DL/T763的規(guī)定,楔形安全備用線夾標(biāo)志應(yīng)符合GB/T2314的規(guī)定。包裝預(yù)絞式安全備用線夾的包裝應(yīng)符合DL/T763的規(guī)定,楔形安全備用線夾包裝應(yīng)符合GB/T2314的規(guī)定。。。。附錄A（資料性附錄）導(dǎo)線耐張預(yù)絞式安全備用線夾AA.11-A1.。1-連接金具；2-心形環(huán)；3-預(yù)絞式耐張線夾；4-絞式補(bǔ)強(qiáng)接續(xù)條；5-填充條；6-預(yù)絞式分流線夾圖A.1導(dǎo)線耐張預(yù)絞式安全備用線夾示意圖A.1.1-A.1.4。表A.1用于導(dǎo)線耐張預(yù)絞式安全備用線夾型號(hào)LJG/LJGF（GB/T1179-2009）預(yù)絞絲耐張備用線夾標(biāo)稱截面鋁/鋼mm2外徑mm預(yù)絞絲耐張線夾型號(hào)預(yù)絞式補(bǔ)強(qiáng)接續(xù)條型號(hào)分流條型號(hào)SBC-185/30185/3018.9NL-95BG-3.5-1500BJ-185/30FLT-185/30SBC-210/10210/1019.0NL-95BG-3.5-1300BJ-210/10FLT-210/10SBC-185/45185/4519.6NL-95BG-4.0-1600BJ-185/45FLT-185/45SBC-210/25210/2520.0NL-95BG-4.0-1500BJ-210/25FLT-210/25SBC-210/35210/3520.4NL-95BG-4.0-1600BJ-210/35FLT-210/35SBC-210/50210/5020.9NL-95BG-4.0-1700BJ-210/50FLT-210/50SBC-240/30240/3021.6NL-120BG-4.0-1600BJ-240/30FLT-240/30SBC-240/40240/4021.7NL-120BG-4.0-1650BJ-240/40FLT-240/40SBC-240/55240/5522.4NL-120BG-4.0-1800BJ-240/55FLT-240/55SBC-300/15300/1523.0NL-150BG-4.0-1550BJ-300/15FLT-300/15SBC-300/20300/2023.4NL-150BG-4.0-1600BJ-300/20FLT-300/20SBC-300/25300/2523.8NL-150BG-4.0-1650BJ-300/25FLT-300/25SBC-300/40300/4023.9NL-150BG-4.0-1600BJ-300/40FLT-300/40SBC-300/50300/5024.3NL-150BG-4.0-1800BJ-300/50FLT-300/50表A.PAGE表A.PAGE1(續(xù))PAGEPAGE11型號(hào)LJG/LJGF（GB/T1179-2009）預(yù)絞絲耐張備用線夾標(biāo)稱截面鋁/鋼mm2外徑mm預(yù)絞絲耐張線夾型號(hào)預(yù)絞式補(bǔ)強(qiáng)接續(xù)條型號(hào)分流條型號(hào)SBC-300/70300/7025.2NL-185BG-4.0-2100BJ-300/70FLT-300/70SBC-400/20400/2026.9NL-240BG-3.5-2000BJ-400/20FLT-400/20SBC-400/25400/2526.6NL-240BG-3.5-2000BJ-400/25FLT-400/25SBC-400/35400/3526.8NL-240BG-3.5-2100BJ-400/35FLT-400/35SBC-400/50400/5027.6NL-240BG-3.5-2150BJ-400/50FLT-400/50SBC-400/65400/6528.0NL-240BG-4.0-2200BJ-400/65FLT-400/65SBC-400/95400/9529.1NL-240BG-4.4-2400BJ-400/95FLT-400/95SBC-500/35500/3530.0NL-240BG-4.8-2200BJ-500/35FLT-500/35SBC-500/45500/4530.0NL-240BG-4.8-2300BJ-500/45FLT-500/45SBC-500/65500/6531.0NL-240BG-5.2-2400BJ-500/65FLT-500/65SBC-630/45630/4533.6NL-400BG-4.0-2400BJ-630/45FLT-630/45SBC-630/55630/5534.6NL-400BG-4.0-2500BJ-630/55FLT-630/55SBC-630/80630/8034.8NL-400BG-4.0-2700BJ-630/80FLT-630/80SBC-800/55800/5538.4NL-500BG-4.8-2600BJ-800/55FLT-800/55SBC-800/70800/7038.6NL-500BG-4.8-2700BJ-800/70FLT-800/70SBC-800/100800/10039.0NL-500BG-5.2-2800BJ-800/100FLT-800/100注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，N—耐張，L—螺旋預(yù)絞式，F(xiàn)LT-預(yù)絞式分流條表A.2預(yù)絞式耐張線夾選型表型號(hào)LJB（GB/T1179-2008）單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmNL-95BG-3.5-15009512.53.561500NL-95BG-3.5-13009512.53.561300NL-95BG-4.0-16009512.54.061600NL-95BG-4.0-15009512.54.061500NL-95BG-4.0-16009512.54.061600NL-95BG-4.0-17009512.54.061700NL-120BG-4.0-160012014.24.061600NL-120BG-4.0-165012014.24.061650NL-120BG-4.0-180012014.24.061800表A.PAGE表A.PAGE2(續(xù))PAGEPAGE12型號(hào)LJB（GB/T1179-2008）單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmNL-150BG-4.0-155015015.44.061550NL-150BG-4.0-160015015.44.061600NL-150BG-4.0-165015015.44.061650NL-150BG-4.0-160015015.44.061600NL-150BG-4.0-180015015.44.061800NL-185BG-4.0-210018517.54.072100NL-240BG-3.5-200024020.03.582000NL-240BG-3.5-200024020.03.582000NL-240BG-3.5-210024020.03.582100NL-240BG-3.5-215024020.03.582150NL-240BG-4.0-220024020.04.072200NL-240BG-4.4-240024020.04.472400NL-240BG-4.8-220024020.04.862200NL-240BG-4.8-230024020.04.862300NL-240BG-5.2-240024020.05.262400NL-400BG-4.0-240040026.04.092400NL-400BG-4.0-250040026.04.092500NL-400BG-4.0-270040026.04.092700NL-500BG-4.8-260050029.14.882600NL-500BG-4.8-270050029.14.882700NL-500BG-5.2-280050029.15.282800表A.3預(yù)絞絲補(bǔ)強(qiáng)接續(xù)條型號(hào)LJG/LJGF(GB/T1179-2008)單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmBJ-185/30185/3018.95.2123000BJ-210/10210/10195.2122600BJ-185/45185/4519.66.3113200BJ-210/25210/2519.986.3113000BJ-210/35210/3520.386.3113200BJ-210/50210/5020.866.3113400PAGEPAGE13表A.3(續(xù))型號(hào)LJG/LJGF(GB/T1179-2008)單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmBJ-240/30240/3021.66.3113200BJ-240/40240/4021.76.3113300BJ-240/55240/5522.46.3123600BJ-300/15300/1523.06.3123100BJ-300/20300/2023.46.3123200BJ-300/25300/2523.86.3123300BJ-300/40300/4023.96.3123200BJ-300/50300/5024.36.3123600BJ-300/70300/7025.26.3134200BJ-400/20400/2026.97.8114000BJ-400/25400/2526.67.8114000BJ-400/35400/3526.87.8114200BJ-400/50400/5027.67.8124300BJ-400/65400/6528.07.8124400BJ-400/95400/9529.17.8124800BJ-500/35500/3530.07.8124400BJ-500/45500/4530.07.8124600BJ-500/65500/6531.09.3114800BJ-630/45630/4533.69.3124800BJ-630/55630/5534.69.3125000BJ-630/80630/8034.89.3125400BJ-800/55800/5538.49.3135200BJ-800/70800/7038.69.3135400BJ-800/100800/10039.09.3135600表A.4預(yù)絞絲補(bǔ)強(qiáng)接續(xù)分流條型號(hào)LJG/LJGFGB/T1179-2008單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmFLT-185/30185/3018.95.2122000FLT-210/10210/1019.05.2121700FLT-185/45185/4519.66.3112100FLT-210/25210/2520.06.3112000FLT-210/35210/3520.46.3112100FLT-210/50210/5020.96.3112300FLT-240/30240/3021.66.3112100FLT-240/40240/4021.76.3112200FLT-240/55240/5522.46.3122400FLT-300/15300/1523.06.3122100FLT-300/20300/2023.46.3122100FLT-300/25300/2523.86.3122200FLT-300/40300/4023.96.3122100FLT-300/50300/5024.36.3122400FLT-300/70300/7025.26.3132800FLT-400/20400/2026.97.8112700FLT-400/25400/2526.67.8112700FLT-400/35400/3526.87.8112800FLT-400/50400/5027.67.8122900FLT-400/65400/6528.07.8122900FLT-400/95400/9529.17.8123200FLT-500/35500/3530.07.8122900FLT-500/45500/4530.07.8123100FLT-500/65500/6531.09.3113200FLT-630/45630/4533.69.3123200FLT-630/55630/5534.69.3123300FLT-630/80630/8034.89.3123600FLT-800/55800/5538.49.3133500FLT-800/70800/7038.69.3133600FLT-800/100800/10039.09.3133700附錄B（資料性附錄）B.1A.2。A.2A.2.1。1-連接金具；2-心形環(huán)；3-預(yù)絞式耐張線夾圖B.1地線用預(yù)絞式安全備用線夾示意圖B.2用于導(dǎo)線耐張預(yù)絞式安全備用線夾產(chǎn)品參數(shù)見(jiàn)表B.1。表B.1用于地線耐張預(yù)絞式安全備用線夾型號(hào)標(biāo)稱截面鋼外徑預(yù)絞絲耐張線夾型號(hào)參考長(zhǎng)度線徑根數(shù)節(jié)距數(shù)不少于線夾質(zhì)量mm2mmSBC-G-50509.0NL-50/G12003.0100.5SBC-G-707011.0NL-70/G14003.5100.8SBC-G-959512.5NL-95/G17004.0101.7SBC-G-10010013.0NL-100/G17004.0101.7SBC-G-12012014.0NL-125/G18004.8102.2注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，G-地線，N—耐張，L—螺旋預(yù)絞式附錄C（資料性附錄）導(dǎo)線懸垂預(yù)絞式安全備用線夾C.1A.3.1。圖C.1導(dǎo)線懸垂預(yù)絞式安全備用線夾示意圖C.1。表C.1導(dǎo)線懸垂預(yù)絞式安全備用線夾型號(hào)LJG/LJGF(GB/T1179-2008)單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmSBCXJ-185/30185/3018.95.2123000SBCXJ-210/10210/1019.05.2122600SBCXJ-185/45185/4519.66.3113200SBCXJ-210/25210/2520.06.3113000SBCXJ-210/35210/3520.46.3113200SBCXJ-210/50210/5020.96.3113400SBCXJ-240/30240/3021.66.3113200SBCXJ-240/40240/4021.76.3113300SBCXJ-240/55240/5522.46.3123600SBCXJ-300/15300/1523.06.3123100SBCXJ-300/20300/2023.46.3123200SBCXJ-300/25300/2523.86.3123300SBCXJ-300/40300/4023.96.3123200SBCXJ-300/50300/5024.36.3123600SBCXJ-300/70300/7025.26.3134200表C.1(續(xù))型號(hào)LJG/LJGF(GB/T1179-2008)單絲直徑mm根數(shù)參考長(zhǎng)度mm鋁包鋼絞線截面mm2外徑mmSBCXJ-400/20400/2026.97.8114000SBCXJ-400/25400/2526.67.8114000SBCXJ-400/35400/3526.87.8114200SBCXJ-400/50400/5027.67.8124300SBCXJ-400/65400/6528.07.8124400SBCXJ-400/95400/9529.17.8124800SBCXJ-500/35500/3530.07.8124400SBCXJ-500/45500/4530.07.8124600SBCXJ-500/65500/6531.09.3114800SBCXJ-630/45630/4533.69.3124800SBCXJ-630/55630/5534.69.3125000SBCXJ-630/80630/8034.89.3125400SBCXJ-800/55800/5538.49.3135200SBCXJ-800/70800/7038.69.3135400SBCXJ-800/100800/10039.09.3135600注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，X—懸垂，J—預(yù)絞式附錄D（資料性附錄）地線懸垂預(yù)絞式安全備用線夾D.1。圖D.1地線懸垂預(yù)絞式安全備用線夾示意圖D.1。表D.1地線懸垂預(yù)絞式安全備用線夾型號(hào)鋼絞線截面mm2外徑mm線徑mm長(zhǎng)度mmSBCXJ-G-50509.02.51800SBCXJ-G-707011.03.52100SBCXJ-G-959512.54.02400SBCXJ-G-10010013.04.02700SBCXJ-G-12012014.04.83000注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，X—懸垂，G—地線附錄E（資料性附錄）導(dǎo)線耐張楔形安全備用線夾E.1。1-連接金具；2-楔形線夾；3-引流線；4-并溝線夾（引流線和并溝線夾適用于單導(dǎo)線、雙分裂耐張串型）圖E.1導(dǎo)線楔形安全備用線夾E.1E.2。表E.1導(dǎo)線用楔形安全備用線夾型號(hào)LJG/LJGF(GB/T1179-2009)楔形線夾型號(hào)標(biāo)稱截面鋁/鋼mm2外徑mmSBCX-185/30185/3018.9SBX-1019SBCX-210/10210/1019.0SBX-1019SBCX-185/45185/4519.6SBX-1629SBCX-210/25210/2520.4SBX-1629SBCX-210/35210/3520.4SBX-1629SBCX-210/50210/5020.9SBX-1629SBCX-240/30240/3021.6SBX-1629SBCX-240/40240/4021.7SBX-1629SBCX-240/55240/5522.4SBX-1629SBCX-300/15300/1523.0SBX-1629SBCX-300/20300/2023.4SBX-1629SBCX-300/25300/2523.8SBX-1629SBCX-300/40300/4023.9SBX-1629SBCX-300/50300/5024.3SBX-1629表E.1(續(xù))型號(hào)LJG/LJGF(GB/T1179-2009)楔形線夾型號(hào)標(biāo)稱截面鋁/鋼mm2外徑mmSBCX-300/70300/7025.2SBX-1629SBCX-400/20400/2026.9SBX-1629SBCX-400/25400/2526.6SBX-1629SBCX-400/35400/3526.8SBX-1629SBCX-400/50400/5027.6SBX-1629SBCX-400/65400/6528.0SBX-1629SBCX-400/95400/9529.1SBX-2135SBCX-500/35500/3530.0SBX-2135SBCX-500/45500/4530.0SBX-2135SBCX-500/65500/6531.0SBX-2135SBCX-630/45630/4533.6SBX-2135SBCX-630/55630/5534.6SBX-2135SBCX-630/80630/8034.8SBX-2135SBCX-800/55800/5538.4SBX-2135SBCX-800/70800/7038.6SBX-3242SBCX-800/100800/10039.0SBX-3242注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，X—楔形表E.2楔形線夾型號(hào)外徑標(biāo)稱破壞載荷螺栓規(guī)格mmkNSBX-05148.0-14.050M16SBX-101913.0-19.0100M18SBX-162918.0-29.0160M24SBX-213528.0-35.0210M24SBX-324234.0-42.0320M30附錄F（資料性附錄）地線耐張楔形安全備用線夾A.6A.6.1、表A.5.2。1-連接金具；2-楔形線夾圖F.1地線耐張用楔形備用線夾示意圖F.1。表F.1地線耐張用楔形安全備用線夾型號(hào)標(biāo)稱截面鋼mm2外徑mm楔形線夾型號(hào)SBCX-G-50509.0SBCX-0514SBCX-G-707011.0SBCX-0514SBCX-G-959512.5SBCX-0514SBCX-G-10010013.0SBCX-0514SBCX-G-12012014.0SBCX-0514注：型號(hào)中字母與數(shù)字意義：SBC—安全備用線夾，X—楔形，G—地線附錄G（資料性附錄）導(dǎo)線懸垂楔形安全備用線夾G.1。1-連接金具；2-楔形線夾圖G.1導(dǎo)線懸垂楔形安全備用線夾示意圖G.1。表G.1導(dǎo)線懸垂楔形安全備用線夾型號(hào)LJG/LJGF(GB/T1179-2009)楔形線夾型號(hào)標(biāo)稱截面鋁/鋼mm2外徑mmSBCXX-185/30185/3018.9SBX-1019SBCXX-210/10210/1019．0SBX-1019S