摘要：随着近代工业的快速发展，全球能源急速下降，海洋资源的重要性不言而喻，已然成为各国工业经济发展必需品。就目前而言，石油天然气资源成为现代工业前进不可或缺的源泉，进行海底开采必需要拥有高效、安全的深水管道连接技术。本文根据我国海域开采环境，分析连接器设计参数指标，设计一种典型的高效快速连接器，用于复杂深海环境油气管道的连接。

根据国内外设计的管汇连接器相关文献，首先提出了卡爪连接器的总体设计方案及其海底作业流程；根据连接器在海底复杂的工作环境，选择合适的金属透镜垫，接着设计该管汇连接器最为重要的卡爪接头，其以卡爪、驱动环等为关键零部件，通过计算确定相关的卡爪背角，驱动环尺寸等使连接器能通过自锁保证完成密封。

深海的环境极其恶劣，而连接器的接头必需在水下完成在管道上的固定，因此需要分析计算连接器卡爪接头可承受外载荷的能力，以测试接头零件材料，尺寸，结构设计的合理性，进而验证其接头的可靠性。本文用理论计算总结出外加载荷与密封失效时的上下法兰位移的关系。用有限元软件模拟卡爪接头受载状态，可获得此接头可承受拉力和压力的范围，并根据分析结果研究出密封加载力与其表面应力之间的关系。

关键词：深水管道；管汇连接器；有限元

ABSTRACT：With the gradual reduction of energy around the world, the importance of marine resources is self-evident, has become a national industrial development needs. For now, oil and gas resources become an indispensable source of modern industrial progress, submarine mining must have efficient and safe deep-water pipeline connection technology. In this paper, according to the exploitation environment of China's sea area, the design parameters of connector design are analyzed, and a typical and efficient quick connector is designed for the connection of complex deep sea oil and gas pipelines.

According to the domestic and foreign design of the tube connector connector related literature, first proposed the overall design of the claw connector and its submarine operating process; according to the connector in the complex working environment in the seabed, select the appropriate metal lens pad, then design the tube The most important jaw connector of the sink connector, which is a key component with a claw, drive ring, etc., is used to determine the relevant claw horn angle, drive ring size, etc. so that the connector can be sealed by self-locking.

The deep sea environment is extremely poor, and the connector connector must be completed in the water on the pipeline fixed, so the need to analyze the connector jaw connector can withstand the ability of external load to test the joint parts of the material, size, structural design reasonable And then verify the reliability of its joints. In this paper, the relationship between the applied load and the displacement of the upper and lower flanges at the time of sealing failure is summarized by theoretical calculation. The finite element software is used to simulate the loading state of the jaw joint, and the range of tension and pressure can be obtained. According to the analysis results, the relationship between the sealing force and the surface stress is studied.

Keywords: deep water pipe；tube connector； the finite element

目录

第一章绪论 1

1.1研究背景 1

1.2课题来源、目的及意义 1

1.3深海管汇连接器国内外研究现状与发展趋势 2

1.4论文研究的主要内容 3

第二章卡爪连接器方案设计