船舶靠泊液压防撞系统研究

发布时间：2018-07-09 15:51

本文选题：船舶碰撞 + 强度计算　；参考：《中国石油大学(华东)》2014年硕士论文

【摘要】：随着社会发展和交通运输的需要,为了降低船舶的运输费用,满足船舶吃水要求,船舶越来越向大型化、综合化、高速化发展。船舶靠泊时对码头的撞击力也随着船舶发展而增大,因此船舶靠泊时会出现更多的意外状况。船舶操纵不当或者超过码头规定的靠泊速度时,系泊船舶撞坏码头和靠船设施的现象时有发生。所以研究码头的防撞装置已经变得非常必要。船舶靠泊有效撞击力计算是码头防撞装置设计的重要荷载,因此分析靠泊船舶对码头的撞击作用也相当重要。研究码头船舶对码头的撞击力和防撞设施对码头保护具有重要的工程意义。现有的研究主要涉及船舶对码头的撞击作用,船舶对码头的撞击变形,在不同的风、海浪、海流作用下船舶对码头的动力响应分析等。本文主要考虑船舶靠泊码头时,船舶对码头最大撞击力问题的研究,以及根据船舶对码头最大撞击力设计船舶靠泊液压式防撞系统。为了便于设计液压式防撞系统中的结构尺寸,本文根据船舶靠泊安全的有关规范,在前人研究和计算出的公式基础上,分析了不同的靠泊速度、不同的靠泊船舶等情况的船舶最大靠泊力。并且通过有限元软件ANSYS对码头结构胸墙部分做了应力分析,根据计算出的靠泊力和由分析得出的码头应力,设计一个液压式缓冲防碰装置。在液压缓冲式防撞装置中采用溢流阀可调节压力的特性,设定船舶最高碰撞力。当实际碰撞力高于设定力时,溢流阀溢流控压,使碰撞力维持设定值不变。通过计算液压防撞中所需结构的尺寸,选择合适的液压元件,设计出液压防撞系统。
[Abstract]:With the development of society and the need of transportation, in order to reduce the cost of shipping and to meet the requirement of draught, ships are becoming more and more large-scale, comprehensive and high-speed. The impact force on the wharf increases with the development of the ship, so there will be more accidents when the ship is berthing. When the ship is improperly operated or exceeds the berthing speed prescribed by the wharf, the phenomenon of the mooring ship crashing the dock and the berthing facilities occurs from time to time. So it has become very necessary to study the anti-collision device of the wharf. The calculation of effective impact force on berthing is an important load in the design of anti-collision device of wharf, so it is very important to analyze the impact of berthing ship on wharf. It is of great engineering significance to study the impact force and anti-collision facilities of wharf ship to wharf. The existing research mainly involves the impact of ship on the wharf, the impact deformation of the ship on the wharf, and the dynamic response analysis of the ship to the wharf under the different wind, wave, current, and so on. This paper mainly considers the research on the maximum impact force of ship to wharf and the design of ship berthing hydraulic anti-collision system according to the maximum impact force of ship to wharf. In order to design the structural dimensions of hydraulic anti-collision system, according to the relevant codes of ship berthing safety, this paper analyzes the different berthing velocities on the basis of the formulas studied and calculated by the predecessors. The maximum berthing force of ships with different berthing conditions. According to the calculated berthing force and the wharf stress obtained from the analysis, a hydraulic buffer and anti-collision device is designed. The relief valve is used to adjust the pressure in the hydraulic buffered collision device to set the maximum collision force of the ship. When the actual impact force is higher than the set force, the relief valve relief control pressure, so that the impact force remains unchanged. The hydraulic anti-collision system is designed by calculating the size of the structure required in hydraulic collision and selecting suitable hydraulic components.
【学位授予单位】：中国石油大学(华东)
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U656.1

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