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针对下猪尾管在操作状态下复杂的应力状态,该文在常规设计方法的基础上采用应力分析法对下猪尾管进行了强度校核计算,并提出了相应的改进措施,保证了下猪尾管的安全使用。
Aiming at the complicated stress state of the pig tail pipe in the operation state, this paper calculates the strength of the pig tail pipe by the stress analysis method based on the conventional design method, and puts forward the corresponding improvement measures to ensure that the pig tail pipe Safe to use.