軌道(dao)除雪車(che)作業環(huan)境(jing)較低(di)的(de)(de)(de)溫(wen)度(du)要(yao)求為-35 ， 非(fei)作業狀(zhuang)(zhuang)態(tai)柴油(you)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)和(he)發(fa)(fa)(fa)電(dian)機(ji)(ji)(ji)組(zu)一般處于(yu)停機(ji)(ji)(ji)狀(zhuang)(zhuang)態(tai)且停機(ji)(ji)(ji)時間(jian)無法(fa)確定。 停靠于(yu)站線(xian)和(he)備用線(xian)，無法(fa)保證啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)前有外接電(dian)源(yuan)可以提供。 綜合(he)以上情況，影響軌道(dao)除雪車(che)低(di)溫(wen)冷啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)能(neng)的(de)(de)(de)主要(yao)因素包括以下(xia)幾個方(fang)面：吸氣溫(wen)度(du)及氣缸內環(huan)境(jing)溫(wen)度(du)過低(di) （可能(neng)達到-35 ），導(dao)致(zhi)壓(ya)(ya)縮終點溫(wen)度(du)下(xia)降(jiang)(jiang)，著(zhu)火性(xing)(xing)能(neng)差(cha)，滯燃期較長，導(dao)致(zhi)冷啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)能(neng)不好； 隨著(zhu)環(huan)境(jing)溫(wen)度(du)的(de)(de)(de)減低(di)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)潤滑油(you)粘度(du)變大，流動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)變差(cha)，增(zeng)加了曲(qu)軸(zhou)的(de)(de)(de)旋轉阻力，使發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)(de)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)能(neng)下(xia)降(jiang)(jiang)。隨著(zhu)環(huan)境(jing)溫(wen)度(du)的(de)(de)(de)下(xia)降(jiang)(jiang)，啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)蓄電(dian)池的(de)(de)(de)容量(liang)和(he)端(duan)(duan)電(dian)壓(ya)(ya)均下(xia)降(jiang)(jiang)，必然(ran)導(dao)致(zhi)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)(de)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)力矩減小，從而直接影響發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)(de)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)能(neng)。由于(yu)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)輸出端(duan)(duan)與(yu)分動(dong)(dong)(dong)(dong)(dong)(dong)箱和(he)液壓(ya)(ya)泵相連，隨著(zhu)環(huan)境(jing)溫(wen)度(du)的(de)(de)(de)下(xia)降(jiang)(jiang)，液壓(ya)(ya)油(you)粘度(du)增(zeng)加，驅動(dong)(dong)(dong)(dong)(dong)(dong)泵的(de)(de)(de)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)阻力增(zeng)加，導(dao)致(zhi)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)阻力也(ye)隨之增(zeng)加，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)能(neng)下(xia)降(jiang)(jiang)。