水下控制模塊液壓系統(tǒng)設(shè)計(jì)及長(zhǎng)軟管對(duì)系統(tǒng)影響分析
[Abstract]:With the continuous progress and development of society, the demand for resources is increasing, the energy problem is becoming more and more serious, the traditional land-based energy can not meet the huge demand brought by the social development, and the pace of human beings has gradually moved from the land to the sea. However, there is still a big gap between China and the developed countries in the field of ocean engineering, and the research of underwater control module and its hydraulic system is still relatively backward. In this paper, the hydraulic system of underwater control module is designed, and the influence of long hose on the response of hydraulic system is studied, and the mathematical model is established. The theoretical derivation and analysis of liquid resistance, liquid volume and liquid sense of long hose are carried out. And the simulation research is carried out under various working conditions. Based on the deep investigation of the underwater control module and its hydraulic system, this paper clarifies the composition and working principle of the underwater control module hydraulic system, aiming at the design index, performance requirement and working environment of the underwater control module. The overall scheme of hydraulic system of underwater control module, the scheme of hydraulic power source and the integrated scheme of valve are put forward. On the basis of the overall scheme of hydraulic system of underwater control module, the detailed design and calculation are carried out. This paper mainly includes the calculation of pipe diameter and pressure loss of high and low pressure system loop and the design calculation of hydraulic pump and motor of hydraulic source. At the same time, the selection of main components includes electro-hydraulic directional valve, hydraulic pump, motor, underwater accumulator and so on. The design and strength check of hydraulic valve block are also carried out. The influence of the long hose of the hydraulic system on the dynamic response of the valve actuator is mainly studied and analyzed. The mathematical model of the long hose of the hydraulic system is established by using the principle of similar system, and the hydraulic resistance of the long hose is mainly studied. The liquid volume and inductance are theoretically deduced and analyzed to study the hydraulic resistance of long hose. The hydraulic system of underwater control module is simulated and analyzed by AMESim software, including the modeling of hydraulic power source, valve actuator and long hydraulic hose, and the simulation research of high pressure system and low pressure system under different working conditions. Emphasis is placed on the analysis of the interference between hydraulic systems under the condition of multiple actuators being driven one after another. At the same time, the simulation of the charging process of the accumulator under different pipe diameter and the simulation analysis of the effect of hydraulic hose of different length on the actuator response are carried out. There is still a gap between China and developed countries in the research of underwater control module and its hydraulic system. Therefore, this paper is of great significance to the research of hydraulic system of underwater control module, and provides reference and experience for further research work.
【學(xué)位授予單位】:哈爾濱工程大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類(lèi)號(hào)】:TH137;TE97
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