求翻译：针对圆锥滚子轴承筐形保持架在压靠时出现的压伤和梁塌腰现象，分析了产生的原因，采取了改进设计，避免了此现象的发生是什么意思？

For box-type cage of tapered roller bearings in pressure occurs when bruised and beam and Arch the back phenomenon, analysis of the causes of, improved design, avoiding the occurrence of this phenomenon