通过拓扑优化设计了自卸车浮动式支撑结构的举升缸支座；

A lifting oil cylinder support with floating support structure was designed by the topological optimization technology.

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通过以举升缸下支座分析为例，详细论述了以通用有限元软件和疲劳分析软件为平台，对汽车零件进行疲劳分析的过程。

And combined with the fatigue analysis of the dumping low-bracket, the commercial software based fatigue analysis process of automobile part is elaborated.

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本设计只采用一个液压缸，其他立柱通过钢丝绳连接以实现同步举升。

This design only USES one hydraulic cylinder, other columns realize synchronization through the cable.

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