隧道施(shi)工中(zhong)的(de)窄(zhai)軌(gui)鐵(tie)路道岔系(xi)列,是保證行(xing)車安全(quan)和控制行(xing)車速度的(de)關鍵設備。窄(zhai)軌(gui)鐵(tie)路道岔系(xi)列多(duo)為臨時(shi)工程的(de)短期(qi)行(xing)為,一般不考慮(lv)道岔的(de)重(zhong)復使用。設計(ji)時(shi)應(ying)以(yi)簡單、經濟
3、判斷是(shi)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)室(shi)內(nei)還是(shi)室(shi)外(wai)的(de)原因(yin)①如(ru)果(guo)是(shi)單動(dong)(dong)(dong)(dong)(dong)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha),在操(cao)動(dong)(dong)(dong)(dong)(dong)時控制臺的(de)電(dian)(dian)流(liu)表(biao)(biao)有指示,說(shuo)(shuo)明動(dong)(dong)(dong)(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)的(de)電(dian)(dian)已送(song)至到(dao)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)。如(ru)果(guo)這時道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)不(bu)能操(cao)到(dao)規定位置,是(shi)室(shi)外(wai)原因(yin)。在操(cao)動(dong)(dong)(dong)(dong)(dong)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)時,如(ru)果(guo)控制臺的(de)電(dian)(dian)流(liu)表(biao)(biao)沒有指示,首(shou)先到(dao)機械室(shi)的(de)室(shi)外(wai)分(fen)線(xian)盤(pan)測量該道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)有沒有電(dian)(dian)壓(ya),如(ru)果(guo)有電(dian)(dian)壓(ya)說(shuo)(shuo)明動(dong)(dong)(dong)(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)的(de)電(dian)(dian)已送(song)出,是(shi)室(shi)外(wai)故(gu)(gu)障(zhang)。②如(ru)果(guo)是(shi)雙動(dong)(dong)(dong)(dong)(dong)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha),在操(cao)動(dong)(dong)(dong)(dong)(dong)時控制臺的(de)電(dian)(dian)流(liu)表(biao)(biao)動(dong)(dong)(dong)(dong)(dong)一(yi)下就不(bu)動(dong)(dong)(dong)(dong)(dong)了,說(shuo)(shuo)明動(dong)(dong)(dong)(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)的(de)電(dian)(dian)已送(song)到(dao)了一(yi)動(dong)(dong)(dong)(dong)(dong)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha),故(gu)(gu)障(zhang)出在一(yi)動(dong)(dong)(dong)(dong)(dong)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)以(yi)后(hou),是(shi)室(shi)外(wai)故(gu)(gu)障(zhang)。③如(ru)果(guo)道(dao)(dao)(dao)(dao)岔(cha)(cha)(cha)定、反位都能操(cao)動(dong)(dong)(dong)(dong)(dong),就是(shi)沒有表(biao)(biao)示。用(yong)萬用(yong)表(biao)(biao)交流(liu)250v檔,在分(fen)線(xian)盤(pan)測量X1(或X2)與X3間有無(wu)交流(liu)110V左右電(dian)(dian)壓(ya),如(ru)果(guo)有電(dian)(dian)壓(ya),則是(shi)室(shi)外(wai)故(gu)(gu)障(zhang),否則是(shi)室(shi)內(nei)故(gu)(gu)障(zhang)。
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