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随着机车运用速度的提高及蛇行运动的加剧 ,东风4D型机车边长为 180mm的正方形抗蛇行减振器座频繁出现裂损 ,严重影响了机车的运行安全。经过分析、试验 ,在座端补焊一“口”字形补板 ,使应力向四周分散 ,取得了良好的效果。
With the improvement of locomotive speed and aggravating hunting movement, square anti-snake shock absorber blocks with a length of 180mm on the sides of Dongfeng 4D locomotive frequently cracked and severely affected the running safety of locomotives. After analysis, test, repair welding in the seat of a “mouth” shaped patch, the stress dispersed around, and achieved good results.