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大型水平滑台的驱动试验方案研究

Study on Driving Test Scheme of Large Horizontal Sliding Table

  • 摘要: 水平滑台是实现振动台水平振动性能的关键。本文针对工作面积为3000mm×3000mm的水平滑台,设计了单轴驱动和单向双轴驱动两种试验方案,即采用单台160kN和双台75kN电动振动台驱动水平滑台,选择相同的导轨组件和不同的连接器配套使用。通过对比两种结构的水平滑台的承载能力和一阶横向共振频率,确定最优试验方案。结果表明,两种试验方案下的水平滑台的承载能力接近,采用单向双轴驱动试验方案下的水平滑台拥有较高的一阶横向共振频率。

     

    Abstract: The horizontal sliding table is the key to achieve the horizontal vibration performance of vibration table. In this paper, two test schemes of uniaxial drive and unidirectional biaxial drive are designed for the horizontal sliding table with a working area of 3000mm×3000mm, namely, single 160kN and double 75kN electric vibration tables are used to drive the horizontal sliding table, and the same guide rail components and different connectors are used together. The optimum test scheme is determined by comparing the bearing capacity and the first-order transverse resonance frequency of the two kinds of horizontal sliding tables with different structures. The results show that the bearing capacity of the horizontal sliding table under the two test schemes is similar, and the horizontal sliding table under the unidirectional biaxial drive test scheme has a higher first-order transverse resonance frequency.

     

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