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小型挖掘机动臂下耳板位置,受力情况复杂,强度要求极高,对动臂整体的使用寿命极为关键。本文分析了下耳板外挡距、耳板加强板结构形式对耳板强度的影响,并且提出了有效的改进措施。
The position of the lower ear plate of the boom of the small excavator is complex, and the strength requirement is extremely high. The overall service life of the boom is extremely critical. This paper analyzes the influence of the outer ear of the lower ear plate and the structure of the ear plate reinforcement plate on the strength of the ear plate, and proposes effective improvement measures.