Study On Construction Technology And Optimization Design Based On350t Self-propulsion Crane Jib

With offshore oil development in Jiangsu Province, large-scale offshore engineeringand marine salvage career development, large-scale lifting the ship as an indispensableengineering ship, has made great progress in recent decades. Boom structure as the mainlifting equipment, in the course of lifting loads in addition to bear, but also taking intoaccount the ship tilted load, ship loads and wind loads and other sports. In this thesis, MSC/Nastran for350t self-propelled boom in a variety of structures under load conditions theintensity of the finite element method, and then proposed a series of enhanced measures tooptimize the use of fuzzy comprehensive evaluation analysis, as well as the lifting overallconstruction arm construction technology analysis.(1) Press the " ships and offshore installations lifting equipment specifications"(2007), using the finite element software MSC/PATRAN, MSC/NASTRAN350tself-propelled boom on the overall structure of the finite element modeling, meshing,boundary treatment, loads and loads, the structural strength check.(2) In order to improve the strength of the boom structure, mainly for the followingthree scenarios reinforcement structure: steel material substitution; toggle plate settings; topbar design. In the construction and design of the boom, it is possible to improve the internalstructure of the proposed various solutions based on their intensity, structural weight,construction technology so different, some far apart. Therefore, it is necessary to study them in detail, and use fuzzy theory, fuzzy comprehensive evaluation.(3) for the self-propelled boom boom350t structure focuses on the technology ofconstruction, during the construction boom raised margin plus put the boom, boom planeand three-dimensional truss production, root bearing hinge point production and installationas well as the head assembly components and other technology issues, but also theconstruction organization design (including sling configurations and operating procedures),construction work plan (including preparation, lifting, shifting and place), and job safetyprograms, guide the construction of the organization of production.