文(wen)章來源(yuan):國家(jia)電網公司 發布時間:2008-10-19
9月(yue)底,由(you)新(xin)疆(jiang)送(song)變(bian)電(dian)(dian)工(gong)程公司承(cheng)擔(dan)的220千伏玉龍河—莎車輸變(bian)電(dian)(dian)工(gong)程首次采(cai)用飛艇展(zhan)放引繩新(xin)工(gong)藝。這一施工(gong)工(gong)藝,不僅能使(shi)沿線(xian)農作物、樹木免受砍伐之(zhi)苦,使(shi)電(dian)(dian)力職工(gong)不再徒步(bu)跨(kua)越障礙,同時(shi)大大縮短了工(gong)期、節(jie)約了成本。
220千伏(fu)(fu)玉莎線(xian)(xian)由莎車220千伏(fu)(fu)變電(dian)所出線(xian)(xian)向東(dong),跨(kua)(kua)越(yue)葉爾(er)羌(qiang)河(he)(he)(he),通過澤普南(nan)部(bu),跨(kua)(kua)越(yue)315國(guo)道(dao),跨(kua)(kua)越(yue)提茲那(nei)甫河(he)(he)(he),通過葉城縣北部(bu),跨(kua)(kua)越(yue)315國(guo)道(dao),跨(kua)(kua)越(yue)喀(ka)拉喀(ka)拉河(he)(he)(he),進(jin)入和(he)田(tian)玉龍220千伏(fu)(fu)變電(dian)所,線(xian)(xian)路(lu)全長286.278公里(li)。如果按(an)照以(yi)往電(dian)力(li)(li)施(shi)工(gong)(gong)展(zhan)放引繩(sheng)(sheng)(sheng)工(gong)(gong)序(xu)中人(ren)工(gong)(gong)牽引步行的(de)(de)方式通過農田(tian)、跨(kua)(kua)越(yue)河(he)(he)(he)流、翻過高(gao)山(shan),不(bu)但耗(hao)時(shi)耗(hao)力(li)(li),而且影響到施(shi)工(gong)(gong)地點的(de)(de)植被(bei),青(qing)苗(miao)賠償(chang)成(cheng)本也很高(gao)。為此,新疆送變電(dian)首次(ci)將飛(fei)艇(ting)展(zhan)放引繩(sheng)(sheng)(sheng)新工(gong)(gong)藝應用(yong)到新疆電(dian)網建(jian)設施(shi)工(gong)(gong)中。該公司引進(jin)的(de)(de)YS-7型飛(fei)艇(ting),艇(ting)囊用(yong)氦氣填充,充氣后自重僅為3公斤左右,飛(fei)艇(ting)一次(ci)最(zui)長牽放引繩(sheng)(sheng)(sheng)的(de)(de)長度(du)為2500米,續航時(shi)間(jian)40分鐘,每次(ci)起飛(fei)后,地勤(qin)人(ren)員接力(li)(li)遙控飛(fei)艇(ting)通過。