前进型蒸汽机车

前进型蒸汽机车主要技术参数

(1)机车参数
制造厂                     大连厂、大同厂等
首台生产年份                           1956
累计产量/台                            4714
用途                                   货运
轴式                                  1-5-1
轨距/mm                                1435
整备质量/t                            133.8
动轴轴重/t                             20.1
轮周功率/kW(马力)                2190(2980)
模数牵引力/kg                         33290
机车总效率                            8.42%
单位马力质量/kg                          40
构造速度/km/h                            80
通过最小曲线半径/m                      145
机车总轴距/mm                         12320
机车及煤水车总轴距/mm
    四轴煤水车                        22972
    六轴煤水车                        25890
最大高度/mm                            4790
最大宽度/mm                            3375
机车及煤水车总长/mm
    四轴煤水车                        26023
    六轴煤水车                        29181
动轮直径/mm                            1500
从轮直径/mm                            1120
导轮直径/mm                             920
煤水车装煤量/t
    四轴煤水车                         14.5
    六轴煤水车                         21.5
煤水车装水量/m3
    四轴煤水车                         39.5
    六轴煤水车                           50

(2)锅炉参数
火箱型式             带燃烧室的圆顶式宽火箱
过热器型式              四单管双曲折式(A)型
蒸汽压力(大气压)                         15
炉床面积/m2                             6.8
管板间距离/mm                          5350
大烟管数目X直径/mm               69X133/125
小烟管数目X直径/mm                 80X51/46
总蒸发传热面积/m2                   255.304
过热传热面积/m2                       144.1
火箱容积/m3                          13.555

(3)汽机参数
汽缸数目                                  2
汽缸直径/mm                             650
鞲鞴行程/mm                             800
汽阀直径/mm                             300
最大汽阀行程/mm                         212
进气余面/mm                              50
排气余面/mm                               0
进气导程/mm                               8
最大遮断比                          前进72%
                                    后退70%