【作者】 魏德宝；

【导师】 孙玉清；

【作者基本信息】 大连海事大学 ， 轮机工程， 2008， 硕士

【摘要】 近年来,随着船舶向大型化、高速化方向发展时,主机的功率也越来越大,这给主机的设计与制造带来很大困难,同时主机增大使得船舱的有效空间越来越小,多主机并联工作模式随之出现。目前有船舶推进方式主要是采用机械推进和电力推进,机械推进方式虽然在传动效率上占有一定优势,但是其有机动性差,功率重量比小,机舱布置不合理等缺点;电力推进虽然机动性高,但是其功率重量比小,大功率调速问题没有得到解决。液压驱动因具有驱动功率大、适应重负荷、调速性和安全性好、便于集中控制、液压动力源可以一机多用等优点,因此提出船舶液压推进。船舶液压推进技术是将液压技术应用于船舶推进系统中,通过液压泵将主机(船舶柴油机)输出的机械能转变为液压油的压力能,经功率综合油路,分别驱动螺旋桨、舵机、船舶侧推装置以及其它辅助装置。本文在对船舶液压推进系统原理分析的基础上,对船舶液压推进的液压系统进行设计,从调速方式、油路循环方式、油源选择系统散热分析等方面对船舶液压推进的液压推进系统进行了分析和研究,并对泵、马达、螺旋桨、柴油机等各元件进行了选型和计算。从理论上分析了影响系统的主要参数,随后基于Matlab/Simulink对系统的动态性能进行了仿真分析。系统效率问题是船舶液压推进技术的关键问题之一,文中基于Matlab/Simulink对系统的效率进行了建模与仿真,分析了各主要参数对系统效率的影响,为系统进行改进设计提供了有力的依据。更多还原

【Abstract】 In recent years, with the development of modern shipping towards macro-scale operation technology, specialization and speed-up, as the traditional propulsion mode, the diesel propulsion mode can not satisfied the modern shipping, at the same time, the cabin became more and more smaller because the diesel occupied much space of the cabin. And then, parallel connection of diesels has been worked. At present, there were two methods about the design of propulsion, that is, mechanical propulsion and electric propulsion. Mechanical propulsion has the advantage of transmission efficiency. Simultaneity, there are many disadvantages, for example, bad flexibility, lower weight power ratio, inappropriate disposal of cabin.The driving of hydraulics have much predominance, such as the big driving power, adapting to the heavy carrying, adjusting velocity soon, the safety, being easy to concentrate the control, and the hydraulic source can be used for many machines. So, Integrated Hydraulic Propulsion was put forward in this paper.The design scheme of Hydraulic Propulsion Ship was put forward in this paper. In this foundation, this thesis analyses the design of the hydraulic driving system in Hydraulic Propulsion ship, and then, carries on the summary and gives some useful advice, At last, modeling and simulating for this system.In this paper, the author gives some suggestion such as the choice of the hydraulic source, the choice of the motor, the way of adjusting velocity, and the analysis of thermal system. After that, the author gives the principle of components of the hydraulic driving system including pump, motor, propeller and diesel engine...etc, and gives theoretical analysis of main parameters.For foreseeing the dynamic performance and the static performance of this system, the thesis established the mathematics model and analyzed with the software of Simulink. By analyzing the result, the author put forward the suggestions that improve the system’s performance.The efficiency is a key point for hydraulic propulsion system. In this paper, the efficiency model is established with Matlab/Simulink. And the author gives useful analysis of main parameters on impact of system efficency. It will afford the convenience for the behind analysis.更多还原