文章來(lai)源(yuan)：國(guo)家電網公(gong)司 發布時間：2009-04-14
4月10日(ri)，國(guo)網交流工(gong)(gong)程(cheng)(cheng)建(jian)設有限公(gong)司(si)在特(te)高壓工(gong)(gong)程(cheng)(cheng)07標(biao)段N502號張力場成功(gong)進(jin)行架線施(shi)工(gong)(gong)首牽試(shi)點。這標(biao)志著我國(guo)首個特(te)高壓工(gong)(gong)程(cheng)(cheng)——1000千伏晉(jin)東南—南陽—荊(jing)門特(te)高壓交流試(shi)驗示范(fan)工(gong)(gong)程(cheng)(cheng)導線架設施(shi)工(gong)(gong)正式(shi)拉開帷幕。
“各(ge)就(jiu)各(ge)位(wei)，開牽(qian)(qian)(qian)！”11時58分(fen)(fen)，隨著江蘇省送變電(dian)公(gong)司1000千伏晉南荊線(xian)07標段項目經理一(yi)聲令下(xia)，兩名分(fen)(fen)別(bie)操作18噸和24噸張力(li)機(ji)(ji)的(de)(de)操作人員同時轉動(dong)張力(li)機(ji)(ji)啟動(dong)鑰匙。“轟(hong)——”機(ji)(ji)器轟(hong)鳴。在28噸牽(qian)(qian)(qian)引機(ji)(ji)的(de)(de)強大牽(qian)(qian)(qian)引力(li)下(xia)，直徑(jing)為28毫米的(de)(de)鋼(gang)絲牽(qian)(qian)(qian)引繩牽(qian)(qian)(qian)著八根(gen)LGJ-500/35鋼(gang)芯鋁絞線(xian)猛地沖向(xiang)藍天，向(xiang)356米遠處的(de)(de)N502號塔塔頭部(bu)位(wei)的(de)(de)中相九(jiu)輪(lun)放(fang)線(xian)滑車疾(ji)馳而去。瞬間，鮮(xian)紅色(se)的(de)(de)導線(xian)一(yi)牽(qian)(qian)(qian)八走板到達九(jiu)輪(lun)滑車后(hou)，“嘩”的(de)(de)一(yi)聲穿過放(fang)線(xian)滑車，繼續(xu)向(xiang)前……
江(jiang)蘇省送變電公司負責施工(gong)的1000千伏(fu)晉(jin)南荊線07標段，首牽(qian)(qian)架線段放(fang)線長度6.822千米，采用一牽(qian)(qian)八架線施工(gong)工(gong)藝。
目前(qian)國網交(jiao)流公(gong)司共(gong)在全線確定三種典型架線施(shi)工(gong)方(fang)(fang)案，即：兩(liang)組(zu)(zu)一牽(qian)四方(fang)(fang)案、一牽(qian)八方(fang)(fang)案和(he)八牽(qian)八方(fang)(fang)案。為了統一施(shi)工(gong)操作流程、質量標(biao)準和(he)施(shi)工(gong)工(gong)藝，國網交(jiao)流公(gong)司堅持(chi)“試點(dian)先行(xing)、樣板(ban)引路”的(de)做法，旨在驗(yan)證(zheng)架線施(shi)工(gong)方(fang)(fang)案的(de)可行(xing)性和(he)有效(xiao)性，保證(zheng)架線施(shi)工(gong)的(de)安全和(he)質量。4月9日，國網交(jiao)流公(gong)司在承擔11標(biao)段建設的(de)河南送變電公(gong)司組(zu)(zu)織召開了兩(liang)組(zu)(zu)一牽(qian)四方(fang)(fang)案架線施(shi)工(gong)首牽(qian)試點(dian)準備(bei)工(gong)作會議(yi)。
由于(yu)承擔07標(biao)段施(shi)工(gong)任務的江蘇省(sheng)送變電(dian)(dian)公(gong)司(si)的組塔工(gong)程(cheng)在(zai)全線(xian)首家(jia)通過了(le)國家(jia)電(dian)(dian)網公(gong)司(si)電(dian)(dian)力建設工(gong)程(cheng)質量(liang)監督(du)總站檢(jian)查(cha)，具備架線(xian)試(shi)點條(tiao)件，4月10日，國網交(jiao)流(liu)公(gong)司(si)確定由江蘇省(sheng)送變電(dian)(dian)公(gong)司(si)在(zai)全線(xian)率(lv)先進(jin)行一牽八架線(xian)施(shi)工(gong)試(shi)點。
一(yi)(yi)牽(qian)八(ba)架線施(shi)(shi)工(gong)(gong)工(gong)(gong)藝(yi)(yi)在世界特高壓工(gong)(gong)程施(shi)(shi)工(gong)(gong)中(zhong)為第一(yi)(yi)次采用，施(shi)(shi)工(gong)(gong)堪稱“世界第一(yi)(yi)牽(qian)”。由(you)于(yu)(yu)一(yi)(yi)牽(qian)八(ba)架線施(shi)(shi)工(gong)(gong)工(gong)(gong)藝(yi)(yi)的許多(duo)工(gong)(gong)器(qi)具(ju)及施(shi)(shi)工(gong)(gong)方法均為首次采用，此次試(shi)點施(shi)(shi)工(gong)(gong)對于(yu)(yu)驗證、完(wan)善和進一(yi)(yi)步推廣該工(gong)(gong)藝(yi)(yi)具(ju)有十分重要的意義。