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对Ｋ型煤炭漏斗车底架结构产生裂纹、开焊等质量问题的原因进行了分析，认为主要是该型车的底架结构不合理，使中梁组成的强度、刚度较弱，针对这一问题提出了具体改进建议。
The reason of quality problems such as cracks and welding of K-type coal hopper chassis structure is analyzed. The main reason is that the chassis structure of this type of vehicle is unreasonable, so that the strength and rigidity of the composition of the middle beam are weak. The issue put forward specific suggestions for improvement.