近日，天津港首臺成功應用輪邊驅動裝置的輪胎場橋在集裝箱碼頭持續穩定運行超過6個月。該裝置由股份公司聯合金岸重工公司、SEW-傳動設備（天津）有限公司開發，具有自主知識產權，其成功應用標志著港口裝備智能化、低碳化升級取得積極進展。
化繁為簡：傳統結構的革命性創新，提高了設備作業效率
傳(chuan)(chuan)(chuan)(chuan)(chuan)統RTG行(xing)走結構依(yi)賴(lai)“減(jian)速(su)機+聯(lian)(lian)軸節+鏈(lian)(lian)輪+鏈(lian)(lian)條(tiao)+罩殼”多級(ji)機械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)，部件數量超10個，傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)鏈(lian)(lian)長且復(fu)雜，傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)效率僅為75%左右。升(sheng)級(ji)為輪邊驅動(dong)裝置后，通(tong)過“新型行(xing)星式(shi)輪邊減(jian)速(su)機+永磁電機”模(mo)式(shi)，淘(tao)汰了傳(chuan)(chuan)(chuan)(chuan)(chuan)統龐大、低效的減(jian)速(su)機、聯(lian)(lian)軸節、鏈(lian)(lian)輪鏈(lian)(lian)條(tiao)等部件，核心部件減(jian)少至(zhi)3個，大車定(ding)位精(jing)度提(ti)高到±3-5cm，傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)效率提(ti)升(sheng)至(zhi)90%以上，設(she)備(bei)體積(ji)縮小1/3，結構緊(jin)湊度提(ti)升(sheng)40%，啟動(dong)時(shi)間、定(ding)位時(shi)間均(jun)有一定(ding)程度的縮短，單(dan)機作業效率提(ti)升(sheng)約5%，顯著提(ti)升(sheng)了設(she)備(bei)的自動(dong)化水平(ping)。
動力升級：高效節能的雙重突破，降低了單機運行能耗
傳(chuan)統RTG使(shi)用4臺三相異步電(dian)(dian)機(ji)驅(qu)(qu)動(dong)(dong)(dong)(dong)行(xing)走(zou)，負載波(bo)動(dong)(dong)(dong)(dong)時(shi)(shi)(shi)電(dian)(dian)機(ji)輸出(chu)效率下降，啟動(dong)(dong)(dong)(dong)時(shi)(shi)(shi)需克服減(jian)速(su)機(ji)、聯軸節、鏈(lian)輪、鏈(lian)條等多重傳(chuan)動(dong)(dong)(dong)(dong)慣性，響應(ying)時(shi)(shi)(shi)間長，負載突變(bian)時(shi)(shi)(shi)電(dian)(dian)機(ji)易出(chu)現卡頓(dun)。而(er)輪邊(bian)驅(qu)(qu)動(dong)(dong)(dong)(dong)裝置升(sheng)級動(dong)(dong)(dong)(dong)力傳(chuan)動(dong)(dong)(dong)(dong)模式，采(cai)用4臺永磁同步電(dian)(dian)機(ji)，傳(chuan)動(dong)(dong)(dong)(dong)鏈(lian)短、傳(chuan)動(dong)(dong)(dong)(dong)間隙(xi)小(xiao)，大車(che)(che)啟動(dong)(dong)(dong)(dong)響應(ying)時(shi)(shi)(shi)間縮短，負載突變(bian)時(shi)(shi)(shi)轉(zhuan)速(su)波(bo)動(dong)(dong)(dong)(dong)小(xiao)，動(dong)(dong)(dong)(dong)力輸出(chu)穩(wen)定，整車(che)(che)運行(xing)平穩(wen)；同時(shi)(shi)(shi)可(ke)減(jian)少能(neng)(neng)量轉(zhuan)換(huan)損失，有(you)效降低(di)能(neng)(neng)耗和(he)污染物排(pai)放，符合港口綠(lv)色發展要求(qiu)。據(ju)測算，更換(huan)輪邊(bian)驅(qu)(qu)動(dong)(dong)(dong)(dong)裝置后，全(quan)年可(ke)節省電(dian)(dian)能(neng)(neng)6832.8度電(dian)(dian)，節約能(neng)(neng)耗約0.84噸標煤，大車(che)(che)運行(xing)能(neng)(neng)耗較改造(zao)前(qian)降低(di)了約13%，節能(neng)(neng)效果良好
運維革新：從“高頻養護”到“極簡運維”，節約了設備維護成本
傳統RTG傳動系統由(you)于零部件多、配合精度低等既有不足，機構故(gu)障(zhang)(zhang)點多、設(she)(she)備(bei)(bei)故(gu)障(zhang)(zhang)率(lv)(lv)高(gao)(gao)(gao)，且(qie)傳動鏈輪(lun)(lun)、鏈條需(xu)在(zai)露天工況下持續保(bao)(bao)持潤滑狀(zhuang)態，設(she)(she)備(bei)(bei)需(xu)要進行大量(liang)的(de)日常強(qiang)保(bao)(bao)、一級保(bao)(bao)養(yang)等養(yang)護(hu)措施，保(bao)(bao)養(yang)時間長、維(wei)護(hu)成(cheng)本高(gao)(gao)(gao)。“技術升級”后，輪(lun)(lun)邊驅(qu)動裝置設(she)(she)備(bei)(bei)故(gu)障(zhang)(zhang)率(lv)(lv)能(neng)降低約15%，提高(gao)(gao)(gao)了設(she)(she)備(bei)(bei)可利用率(lv)(lv)。同時，改造后的(de)設(she)(she)備(bei)(bei)齒輪(lun)(lun)油(you)使(shi)用量(liang)僅(jin)為原先(xian)的(de)1/14，維(wei)保(bao)(bao)時間降低25%，單臺(tai)場(chang)橋年維(wei)保(bao)(bao)成(cheng)本節省約1.1萬元，大幅降低了設(she)(she)備(bei)(bei)的(de)維(wei)護(hu)成(cheng)本和停機時間。
輪(lun)胎場橋輪(lun)邊驅(qu)動裝置憑借(jie)其高可靠性(xing)、低故障率(lv)、低維護(hu)成本等(deng)多重技術優勢，有效助力天津港設備(bei)智能化水平實現跨越(yue)式發展，提升了港口設備(bei)的自(zi)動化定位精度(du)和(he)作業效率(lv)，具(ju)有良好的經濟(ji)價值和(he)社(she)會價值。
