在轮架钻井设备的不同负载位置下研究 muti-bolt 的固定
Jiangang Wang1,2, Lei Shi1,2, Ding Feng1,2
1School of Mechanical Engineering, Yangtze University, Hubei, China.
PloS one
|August 31, 2023
概括
钻井设备中的螺栓组可以因不均的负载而失效. 本研究使用有限元分析分析传动机制的负载分布,并提出了重型系统中螺栓连接的新评估方法.
科学领域:
- 机械工程 机械工程
- 结构分析 结构分析
- 钻井技术 钻井技术
背景情况:
- 钻井设备中的螺栓连接经历了相当大的负载.
- 螺栓组中的负载分布不均可能导致过早故障.
- 了解多螺栓负载特征对于操作完整性至关重要.
研究的目的:
- 研究钻井设备的八和四对称传动机制中的多螺栓负载分布.
- 开发和验证用于分析螺栓连接的有限元模型.
- 提出基于相对变形差异的螺栓连接的评估方法.
主要方法:
- 使用弹刚度方法进行多螺栓负载分布分析.
- 开发了一种集成的有限元模型,包括结构形状和传输机制.
- 在不同的负载下使用机架应变试验验证了有限元模型.
主要成果:
- 检查了螺栓距离,端距离,预载荷和接板厚度对螺栓连接的影响.
- 分析了不同负载位置对连接性能的影响.
- 在传动机制内的量化负载分布特征.
结论:
- 有限元分析提供了关于在运行负载下螺栓连接行为的见解.
- 提出的相对变形差异方法为评估螺栓连接提供了一种新的方法.
- 这些发现可以指导重型钻井驱动系统设计更强大的螺栓连接.
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