Structure Design And Research On A Stent System

Due to the demand of oil which is rapidly increased according to today’s fast-growingworld economy, deep sea oil and gas development has become an important internationaltechnology. The core of this technology is to lay submarine pipelines which is used forconveyance of gas and oil resources through the submarine plow trenching machine. Thestudy of this design A stent system is to achieve submarine plow trenching machine liftingand down into the water and work it drag on the seabed, While achieving a certain wavecompensation.First, this paper has analysis the situation of A stent system at home and abroad and havedesigned the A-shaped door frame which is meet the technology requirements to plow liftingand submarine plow trenching machines working load when the drag component. Accordingto the characteristics of large load, we have designed the hydraulic system to drive A-shapeddoor frame around the door connecting the two legs with the base hinge point of the swingamplitude for this system. After analysis and calculation, Visual C++have used to optimizethe design of hydraulic cylinder and installation location of the base in order to make sure thecorrect installation. According to the result, we have detail designed the internal structure ofA-shaped door frame and determined the accurate size of the various components. At thesame time, we have special designed the internal structure of the A-shaped door frame toimproving the stiffness with the prerequisite: to reduce the weight of the whole mechanicalstructure. The physical model of A stent system has been builted in SOLIDWORKSaccording to the calculated size-related structure.Using ADAMS which is analysis software of virtual prototype to analyze a establishedsolid model to obtain with the corresponding A-shaped door frame speed curve of hydraulicforce rod and the hydraulic rod extending the length then compared to design of thetheoretical curve to verify the design is correct. Analyze A stent system in ANSYS which isanalysis software of finite element for its static and modal. Verifying A stent system whethermeets the requirements of stiffness and strength, and natural modes frequency of Overallsystem.Finally, designing two parts of control system which belong to hydraulic system ofA-shaped door frame luffing movement and wave compensation;designing hydraulic control circuit which belong to hydraulic system of A-shaped door frame luffing movement detailedto determine the type and model of hydraulic control valve; At the same time using linear asthe feedback signal of closed-loop control to meet two hydraulic devices of A-shaped doorframe luffing movement operating simultaneously. Designing the mode which is hydraulicsystem of wave compensation while Proposing a hydraulic drive winch for wavecompensation model and designing the hydraulic control circuit. In this paper, designing Astent system control interface with Visual C++.