文章(zhang)來源：國家電網公司 發布時間：2009-04-14
4月10日，國網(wang)交流工(gong)(gong)程建(jian)設(she)有限公司在特高(gao)壓工(gong)(gong)程07標段N502號張(zhang)力場成(cheng)功進(jin)行架線施(shi)工(gong)(gong)首牽試點(dian)。這(zhe)標志著我(wo)國首個特高(gao)壓工(gong)(gong)程——1000千伏(fu)晉(jin)東南(nan)—南(nan)陽—荊門特高(gao)壓交流試驗示范(fan)工(gong)(gong)程導線架設(she)施(shi)工(gong)(gong)正(zheng)式拉開帷幕(mu)。
“各(ge)就各(ge)位，開牽(qian)(qian)！”11時58分，隨著江蘇省送變電公司1000千(qian)伏晉南荊線(xian)07標段(duan)項目經理一聲令下(xia)，兩名分別(bie)操作(zuo)18噸(dun)和24噸(dun)張(zhang)(zhang)力機的(de)(de)操作(zuo)人員(yuan)同時轉動張(zhang)(zhang)力機啟動鑰(yao)匙(chi)。“轟(hong)——”機器轟(hong)鳴。在28噸(dun)牽(qian)(qian)引(yin)機的(de)(de)強大牽(qian)(qian)引(yin)力下(xia)，直徑為(wei)28毫(hao)米(mi)的(de)(de)鋼(gang)(gang)絲牽(qian)(qian)引(yin)繩牽(qian)(qian)著八根LGJ-500/35鋼(gang)(gang)芯鋁絞線(xian)猛地沖向(xiang)(xiang)藍天，向(xiang)(xiang)356米(mi)遠處的(de)(de)N502號塔(ta)塔(ta)頭部(bu)位的(de)(de)中相(xiang)九(jiu)輪放線(xian)滑車疾馳(chi)而去。瞬(shun)間(jian)，鮮紅(hong)色的(de)(de)導(dao)線(xian)一牽(qian)(qian)八走(zou)板到達九(jiu)輪滑車后，“嘩(hua)”的(de)(de)一聲穿過放線(xian)滑車，繼續向(xiang)(xiang)前(qian)……
江(jiang)蘇省(sheng)送(song)變電公(gong)司負責施(shi)工(gong)的1000千伏晉南(nan)荊(jing)線(xian)07標(biao)段，首牽(qian)架(jia)線(xian)段放線(xian)長度6.822千米，采用一牽(qian)八架(jia)線(xian)施(shi)工(gong)工(gong)藝。
目(mu)前(qian)國網(wang)(wang)交流(liu)(liu)公司(si)共在全線(xian)(xian)確定三(san)種典型(xing)架(jia)線(xian)(xian)施(shi)工(gong)(gong)方案(an)，即：兩組一(yi)牽(qian)四(si)方案(an)、一(yi)牽(qian)八(ba)方案(an)和(he)八(ba)牽(qian)八(ba)方案(an)。為了(le)統一(yi)施(shi)工(gong)(gong)操作(zuo)流(liu)(liu)程、質量(liang)標準和(he)施(shi)工(gong)(gong)工(gong)(gong)藝，國網(wang)(wang)交流(liu)(liu)公司(si)堅持(chi)“試點(dian)先行(xing)(xing)、樣(yang)板引(yin)路”的做(zuo)法，旨(zhi)在驗證架(jia)線(xian)(xian)施(shi)工(gong)(gong)方案(an)的可行(xing)(xing)性和(he)有(you)效性，保證架(jia)線(xian)(xian)施(shi)工(gong)(gong)的安全和(he)質量(liang)。4月9日(ri)，國網(wang)(wang)交流(liu)(liu)公司(si)在承擔(dan)11標段建設(she)的河南送變電公司(si)組織召開(kai)了(le)兩組一(yi)牽(qian)四(si)方案(an)架(jia)線(xian)(xian)施(shi)工(gong)(gong)首(shou)牽(qian)試點(dian)準備工(gong)(gong)作(zuo)會議。
由于承(cheng)擔07標段施工任(ren)務的江蘇(su)省送變電(dian)(dian)公(gong)(gong)(gong)司(si)的組塔工程(cheng)在全線(xian)(xian)首家(jia)通過了(le)國(guo)家(jia)電(dian)(dian)網(wang)公(gong)(gong)(gong)司(si)電(dian)(dian)力建設工程(cheng)質量(liang)監督總站(zhan)檢(jian)查，具(ju)備架線(xian)(xian)試點(dian)條件，4月10日(ri)，國(guo)網(wang)交流公(gong)(gong)(gong)司(si)確定(ding)由江蘇(su)省送變電(dian)(dian)公(gong)(gong)(gong)司(si)在全線(xian)(xian)率先進行一(yi)牽八架線(xian)(xian)施工試點(dian)。
一牽(qian)八架(jia)線施工(gong)(gong)工(gong)(gong)藝在世(shi)界特高(gao)壓(ya)工(gong)(gong)程施工(gong)(gong)中為第(di)一次采用(yong)，施工(gong)(gong)堪稱(cheng)“世(shi)界第(di)一牽(qian)”。由于一牽(qian)八架(jia)線施工(gong)(gong)工(gong)(gong)藝的許(xu)多工(gong)(gong)器具及施工(gong)(gong)方(fang)法均為首次采用(yong)，此次試點施工(gong)(gong)對(dui)于驗證、完(wan)善(shan)和(he)進一步推廣該工(gong)(gong)藝具有十分重要(yao)的意義。