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一、概述 SS_4改进型机车转向架,是考虑与SS_3、SS_4、SS_6机车的通用化要求,结合即将设计的交直交机车,并兼顾消化引进技术和克服SS_4型机车转向架的惯性故障而设计的。SS_3、SS_6改进型机车的粘着利用率均较高,SS_4型机车转向架由于其牵引装置是采用“Z”字形斜拉杆,无法得到较好的粘着利用率,而且受机车车辆限界的限制,其轮对轴箱负荷中心距为2050mm(其它型机车为2110mm),是影响机车零部件
I. Overview SS_4 modified locomotive bogie is designed to meet the common requirements of SS_3, SS_4 and SS_6 locomotives, combining the forthcoming design of AC and DC locomotives, taking into account the digestion and introduction technology and overcoming the inertia failure of the SS_4 locomotive bogie. . SS_3 and SS_6 modified locomotives have high adhesion and utilization rates. SS_4 locomotive bogies can not get better adhesion utilization rate due to their “Z” -shaped diagonal pull rod, and they are limited by locomotive and vehicle limits. Wheel axle box load center distance of 2050mm (2110mm for other types of locomotive), is the impact of locomotive components