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Research on Key Technology of Experimental Prototype of New Underwater Flange Connecting Tool

Author: MouWei
Tutor: GuoLiBin
School: Harbin Engineering University
Course: Mechanical Manufacturing and Automation
Keywords: Underwater flange connection Machines Structural design Structure static analysis Kinematics and Dynamics Research Sealing performance
CLC: TH131
Type: Master's thesis
Year: 2010
Downloads: 71
Quote: 1
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Abstract


With China 's offshore oil industry gradually from the shallow waters to the deep sea , there is an urgent need for subsea pipeline connected automatically connect equipment . Underwater the flange connected equipment is the core equipment in the subsea pipeline connected devices , mainly used to connect pipe flanges . Deepwater pipe laying technology sub-topics of the subject from the national \The main content of the thesis is to complete the the new underwater flange connection equipment experimental prototype design and technical analysis . First, the paper describes the overview of the development of underwater flange connection equipment at home and abroad , according to the second-generation virtual prototyping technology and experience of domestic and foreign machinery and equipment by underwater flange connection analysis , in-depth study hydraulic tensile method tensile preload the basic principles of the flange bolts , bolt preload on the new method in accordance with the ASME Code , calculations, combined with underwater flange connected equipment 's work environment and the technical requirements , the the new underwater flange connection Machines the overall design of the experimental prototype . Secondly , according to a new underwater flange connected to the machinery of the overall structure of the experimental prototype program , its library of bolts , nuts library and bolt tension agencies carried out a detailed analysis of three-dimensional design , while to complete structural strength and rigidity of the key parts of the analysis by rationality of the structural design of the virtual assembly and motion simulation ; focus on the nuts introduced structure analysis principle and its kinematics simulation using simulation software , introduced through the nut structure prototype testing , to verify the feasibility of the nut to introduce structural design ; in France flanged machinery library body on the basis of the opening and closing of the analysis and dynamics simulation of the structural principle , to optimize the design of the opening and closing of the library body structure . Finally, in the flange connection system , the preload state and pressure test the state were close analysis , reliability analysis and strength analysis of sealing performance and preload research flange connection system and pipe pressure flange sealing performance .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > Connection and connection parts
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