文章來(lai)源：國(guo)家電(dian)網(wang)公(gong)司 發(fa)布時間：2016-10-30
10月26日，由中國電科院牽頭的國家(jia)電網公司科技(ji)項(xiang)(xiang)目(mu)(mu)“特(te)高(gao)壓大型組塔裝(zhuang)備的優化技(ji)術(shu)研(yan)究”順利通過驗收(shou)(shou)。驗收(shou)(shou)專家(jia)一致認為，項(xiang)(xiang)目(mu)(mu)完成了合同規定的研(yan)究內容，同意項(xiang)(xiang)目(mu)(mu)通過驗收(shou)(shou)，項(xiang)(xiang)目(mu)(mu)成果可全面應用于特(te)高(gao)壓工程建設，將為提高(gao)我國輸電線路組塔施工技(ji)術(shu)水(shui)平提供技(ji)術(shu)保證。
長(chang)期以來，系列化(hua)單(dan)動(dong)臂(bei)落地(di)(di)抱(bao)(bao)(bao)(bao)桿(gan)(gan)和雙平臂(bei)落地(di)(di)抱(bao)(bao)(bao)(bao)桿(gan)(gan)等(deng)大型組(zu)塔(ta)施(shi)(shi)工(gong)(gong)(gong)裝(zhuang)備已經成功應(ying)用(yong)于特(te)高壓工(gong)(gong)(gong)程建(jian)設(she)，具有(you)安(an)全保護裝(zhuang)置(zhi)齊全、施(shi)(shi)工(gong)(gong)(gong)安(an)全性高等(deng)特(te)點(dian)，但抱(bao)(bao)(bao)(bao)桿(gan)(gan)部分部件單(dan)件重量(liang)偏重，在地(di)(di)形條件復雜、施(shi)(shi)工(gong)(gong)(gong)環境惡劣的(de)現場進行(xing)安(an)裝(zhuang)、組(zu)立、拆(chai)卸、轉場較(jiao)為困(kun)難(nan)，而且現有(you)鐵塔(ta)組(zu)立施(shi)(shi)工(gong)(gong)(gong)技(ji)術(shu)標準不(bu)能完全反映大型落地(di)(di)抱(bao)(bao)(bao)(bao)桿(gan)(gan)組(zu)塔(ta)的(de)技(ji)術(shu)及工(gong)(gong)(gong)藝(yi)特(te)點(dian)。因此(ci)，工(gong)(gong)(gong)程所(suo)結合工(gong)(gong)(gong)程實際需求，開(kai)展(zhan)了適(shi)用(yong)于特(te)高壓工(gong)(gong)(gong)程的(de)單(dan)動(dong)臂(bei)、雙平臂(bei)落地(di)(di)抱(bao)(bao)(bao)(bao)桿(gan)(gan)的(de)優化(hua)技(ji)術(shu)研究及其組(zu)塔(ta)施(shi)(shi)工(gong)(gong)(gong)、安(an)裝(zhuang)與驗收工(gong)(gong)(gong)藝(yi)研究。
項目(mu)基于SXD50單(dan)動臂落(luo)(luo)(luo)地抱(bao)(bao)桿(gan)(gan)(gan)回(hui)轉(zhuan)總成(cheng)的(de)結(jie)構(gou)(gou)特(te)點及(ji)(ji)功能，提(ti)出(chu)了單(dan)動臂落(luo)(luo)(luo)地抱(bao)(bao)桿(gan)(gan)(gan)回(hui)轉(zhuan)上支(zhi)座的(de)凹(ao)槽式結(jie)構(gou)(gou)優(you)化(hua)(hua)設(she)計，減重(zhong)19%；針對SXD50落(luo)(luo)(luo)地抱(bao)(bao)桿(gan)(gan)(gan)提(ti)出(chu)了平行(xing)四邊形結(jie)構(gou)(gou)的(de)可搖動平衡(heng)臂，可實現抱(bao)(bao)桿(gan)(gan)(gan)桿(gan)(gan)(gan)身的(de)后傾(qing)力(li)矩(ju)與工(gong)(gong)作(zuo)前傾(qing)力(li)矩(ju)平衡(heng)；提(ti)出(chu)了T2T100雙平臂落(luo)(luo)(luo)地抱(bao)(bao)桿(gan)(gan)(gan)結(jie)構(gou)(gou)優(you)化(hua)(hua)方案及(ji)(ji)施(shi)工(gong)(gong)工(gong)(gong)藝優(you)化(hua)(hua)方案，可有效減少施(shi)工(gong)(gong)人員勞動強(qiang)度(du)，增強(qiang)裝(zhuang)備的(de)工(gong)(gong)程適用(yong)性。項目(mu)完成(cheng)了《單(dan)動臂落(luo)(luo)(luo)地抱(bao)(bao)桿(gan)(gan)(gan)安(an)裝(zhuang)及(ji)(ji)驗(yan)收(shou)規程》等4項標(biao)準報批稿，可規范(fan)大型鐵塔(ta)的(de)組立(li)施(shi)工(gong)(gong)工(gong)(gong)藝，提(ti)高(gao)施(shi)工(gong)(gong)安(an)全性，更好地滿(man)足輸電線路組塔(ta)施(shi)工(gong)(gong)需求。
項目提出的(de)常(chang)設(she)式(shi)雙平(ping)臂(bei)收臂(bei)裝(zhuang)置、回轉平(ping)臺結(jie)構優(you)化等技術(shu)已應用(yong)于T2T100、T2T80等雙平(ping)臂(bei)落地(di)抱(bao)桿中，并在錫盟-山東特(te)高壓(ya)交流(liu)工(gong)程中進(jin)行了應用(yong)，有效減少了施(shi)工(gong)人員(yuan)的(de)高空作業(ye)，降低了施(shi)工(gong)強度，項目成果可廣泛應用(yong)于大型落地(di)抱(bao)桿的(de)優(you)化技術(shu)。