文章來源：國家電網公(gong)司 發布時間：2009-04-14
4月10日，國(guo)(guo)網交(jiao)流(liu)工(gong)程(cheng)建設有限公司在特(te)高壓工(gong)程(cheng)07標段N502號張力場成功(gong)進(jin)行(xing)架線施工(gong)首(shou)牽試(shi)點。這標志著我(wo)國(guo)(guo)首(shou)個特(te)高壓工(gong)程(cheng)——1000千伏晉東南—南陽—荊門特(te)高壓交(jiao)流(liu)試(shi)驗示范工(gong)程(cheng)導(dao)線架設施工(gong)正式拉開帷幕。
“各就(jiu)各位，開牽(qian)！”11時(shi)58分(fen)，隨著江蘇省送(song)變電公司1000千伏(fu)晉南荊線(xian)07標段項目經理一聲令下，兩名分(fen)別操作(zuo)18噸(dun)和24噸(dun)張力機的(de)(de)操作(zuo)人(ren)員同時(shi)轉動(dong)張力機啟(qi)動(dong)鑰匙(chi)。“轟(hong)——”機器(qi)轟(hong)鳴。在28噸(dun)牽(qian)引(yin)機的(de)(de)強大(da)牽(qian)引(yin)力下，直徑為(wei)28毫米的(de)(de)鋼絲牽(qian)引(yin)繩牽(qian)著八根LGJ-500/35鋼芯鋁絞線(xian)猛地沖向藍天，向356米遠處的(de)(de)N502號塔塔頭部位的(de)(de)中相九(jiu)(jiu)輪(lun)放線(xian)滑(hua)車疾馳而(er)去(qu)。瞬間，鮮紅(hong)色的(de)(de)導線(xian)一牽(qian)八走板(ban)到達(da)九(jiu)(jiu)輪(lun)滑(hua)車后，“嘩(hua)”的(de)(de)一聲穿過放線(xian)滑(hua)車，繼續(xu)向前……
江蘇(su)省送變電公司負(fu)責施(shi)工的1000千(qian)(qian)伏(fu)晉南(nan)荊線(xian)07標段(duan)，首牽架線(xian)段(duan)放線(xian)長(chang)度6.822千(qian)(qian)米，采用一牽八架線(xian)施(shi)工工藝。
目前國(guo)網交流公(gong)(gong)司共(gong)在全(quan)線(xian)(xian)(xian)確定三種典型架線(xian)(xian)(xian)施(shi)工(gong)(gong)方(fang)(fang)案(an)，即：兩組一牽四(si)方(fang)(fang)案(an)、一牽八方(fang)(fang)案(an)和(he)八牽八方(fang)(fang)案(an)。為了統一施(shi)工(gong)(gong)操作(zuo)流程、質量標(biao)準(zhun)和(he)施(shi)工(gong)(gong)工(gong)(gong)藝，國(guo)網交流公(gong)(gong)司堅持“試點(dian)先行、樣(yang)板引路”的(de)做法，旨在驗證(zheng)架線(xian)(xian)(xian)施(shi)工(gong)(gong)方(fang)(fang)案(an)的(de)可行性和(he)有效性，保證(zheng)架線(xian)(xian)(xian)施(shi)工(gong)(gong)的(de)安(an)全(quan)和(he)質量。4月9日，國(guo)網交流公(gong)(gong)司在承擔11標(biao)段建設的(de)河南送(song)變電公(gong)(gong)司組織召開了兩組一牽四(si)方(fang)(fang)案(an)架線(xian)(xian)(xian)施(shi)工(gong)(gong)首牽試點(dian)準(zhun)備(bei)工(gong)(gong)作(zuo)會議。
由于承擔07標段施工(gong)任務(wu)的(de)江蘇省送(song)變電(dian)(dian)公司(si)(si)的(de)組塔工(gong)程在(zai)全線(xian)(xian)(xian)首家通過了國(guo)家電(dian)(dian)網(wang)(wang)公司(si)(si)電(dian)(dian)力建設工(gong)程質(zhi)量監督總(zong)站檢(jian)查，具備架線(xian)(xian)(xian)試點(dian)條(tiao)件，4月10日，國(guo)網(wang)(wang)交流公司(si)(si)確定由江蘇省送(song)變電(dian)(dian)公司(si)(si)在(zai)全線(xian)(xian)(xian)率先(xian)進行一牽八架線(xian)(xian)(xian)施工(gong)試點(dian)。
一(yi)牽(qian)(qian)八架線施(shi)(shi)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)在(zai)世(shi)界(jie)(jie)特高壓工(gong)(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)中為第一(yi)次(ci)采(cai)用，施(shi)(shi)工(gong)(gong)(gong)(gong)堪稱“世(shi)界(jie)(jie)第一(yi)牽(qian)(qian)”。由于(yu)一(yi)牽(qian)(qian)八架線施(shi)(shi)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)的(de)許多工(gong)(gong)(gong)(gong)器具(ju)及施(shi)(shi)工(gong)(gong)(gong)(gong)方法均為首(shou)次(ci)采(cai)用，此次(ci)試點施(shi)(shi)工(gong)(gong)(gong)(gong)對(dui)于(yu)驗證、完善和進一(yi)步推廣該工(gong)(gong)(gong)(gong)藝(yi)具(ju)有十分重要的(de)意義。