P_(63)型上心盘和改进型上心盘结构设计分析和建议

Structure Design and Proposal of Ordinary-type Body Center Plate and Improved-type Use in P_63 Freight Car

通过对P_(63)型棚车用上心盘和改进型上心盘检修情况的调查对比分析,说明改进型上心盘裂纹多的原因不是刚度和安装方式上与P_(63)型上心盘有何不同,而是结构设计上的差异引起的。

By investigating, comparing and analyzing the repair state of body center plate of ordinary - type and improved - type used in P63 freight car , this paper explained the cause of improved - type body center plate with more cracks was mot the difference of stiffness and fixing way, compared with ordinary - type, but the difference of structure design.