隧道(dao)施工中的(de)窄(zhai)軌(gui)鐵路道(dao)岔(cha)(cha)系列(lie)(lie),是保證行車安全和控制(zhi)行車速度的(de)關鍵設備。窄(zhai)軌(gui)鐵路道(dao)岔(cha)(cha)系列(lie)(lie)多(duo)為臨時工程的(de)短期(qi)行為,一般不考慮道(dao)岔(cha)(cha)的(de)重復使(shi)用。設計時應(ying)以簡(jian)單(dan)、經濟
3、判斷是(shi)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)室(shi)(shi)內(nei)還(huan)是(shi)室(shi)(shi)外(wai)(wai)(wai)的(de)(de)原因①如(ru)果(guo)(guo)是(shi)單動(dong)(dong)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha),在(zai)(zai)操動(dong)(dong)時(shi)控制臺(tai)的(de)(de)電(dian)(dian)流(liu)(liu)表有(you)(you)指(zhi)示(shi),說(shuo)明(ming)動(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)的(de)(de)電(dian)(dian)已送(song)至到(dao)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)。如(ru)果(guo)(guo)這(zhe)時(shi)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)不能(neng)操到(dao)規定位(wei)置,是(shi)室(shi)(shi)外(wai)(wai)(wai)原因。在(zai)(zai)操動(dong)(dong)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)時(shi),如(ru)果(guo)(guo)控制臺(tai)的(de)(de)電(dian)(dian)流(liu)(liu)表沒有(you)(you)指(zhi)示(shi),首先到(dao)機械室(shi)(shi)的(de)(de)室(shi)(shi)外(wai)(wai)(wai)分線盤測量(liang)該道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)有(you)(you)沒有(you)(you)電(dian)(dian)壓,如(ru)果(guo)(guo)有(you)(you)電(dian)(dian)壓說(shuo)明(ming)動(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)的(de)(de)電(dian)(dian)已送(song)出,是(shi)室(shi)(shi)外(wai)(wai)(wai)故障(zhang)。②如(ru)果(guo)(guo)是(shi)雙動(dong)(dong)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha),在(zai)(zai)操動(dong)(dong)時(shi)控制臺(tai)的(de)(de)電(dian)(dian)流(liu)(liu)表動(dong)(dong)一下(xia)就不動(dong)(dong)了(le),說(shuo)明(ming)動(dong)(dong)作(zuo)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)的(de)(de)電(dian)(dian)已送(song)到(dao)了(le)一動(dong)(dong)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha),故障(zhang)出在(zai)(zai)一動(dong)(dong)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)以后,是(shi)室(shi)(shi)外(wai)(wai)(wai)故障(zhang)。③如(ru)果(guo)(guo)道(dao)(dao)(dao)(dao)(dao)岔(cha)(cha)定、反位(wei)都能(neng)操動(dong)(dong),就是(shi)沒有(you)(you)表示(shi)。用萬用表交(jiao)流(liu)(liu)250v檔,在(zai)(zai)分線盤測量(liang)X1(或(huo)X2)與(yu)X3間有(you)(you)無交(jiao)流(liu)(liu)110V左右電(dian)(dian)壓,如(ru)果(guo)(guo)有(you)(you)電(dian)(dian)壓,則是(shi)室(shi)(shi)外(wai)(wai)(wai)故障(zhang),否(fou)則是(shi)室(shi)(shi)內(nei)故障(zhang)。
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