本文關(guān)鍵詞：航標(biāo)船起重機(jī)自動脫掛吊鉤的設(shè)計(jì)與仿真　出處：《大連海事大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 航標(biāo) 吊鉤設(shè)計(jì) Ansysworkbench 有限元分析 優(yōu)化

【摘要】：隨著我國海洋強(qiáng)國、一帶一路戰(zhàn)略等涉海戰(zhàn)略的實(shí)施,航運(yùn)業(yè)的發(fā)展會越來越受到國家的重視。在對航運(yùn)業(yè)保障時,航標(biāo)扮演著極其重要的角色。航標(biāo)的布放等作業(yè)離不開航標(biāo)船起重機(jī)的協(xié)助,這一過程中大部分依賴工作人員操作。由于吊鉤不具備基本的自動化功能,同時,船用起重機(jī)在工作過程中由于受到風(fēng)、浪、流等外部環(huán)境和自身操縱的影響,起重機(jī)吊重會產(chǎn)生擺動,在工作人員近距離操作時會增加其危險(xiǎn)性,因此,設(shè)計(jì)一款自動化程度較高的吊鉤,對航標(biāo)船起重機(jī)安全高效作業(yè)具有非常重要的意義。本文首先確定了吊鉤的設(shè)計(jì)方案,并在吊鉤常用材料的基礎(chǔ)上確定了自動脫掛吊鉤的材料,提高吊鉤的可靠性。為了確定吊鉤的載荷,在實(shí)驗(yàn)室現(xiàn)有的二自由度搖擺平臺上搭建船用起重機(jī)樣機(jī),完成相關(guān)的設(shè)置,在平臺及虛擬樣機(jī)上施加動作函數(shù)獲得吊鉤的最大載荷,之后在載荷的基礎(chǔ)上,完成對吊鉤結(jié)構(gòu)以及驅(qū)動機(jī)構(gòu)的選型設(shè)計(jì)。通過Solidworks完成設(shè)計(jì)與裝配,獲得吊鉤的裝配體。然后,本文利用有限元分析軟件Ansysworkbench對吊鉤的結(jié)構(gòu)強(qiáng)度進(jìn)行分析,獲得吊鉤在承受最大載荷時的結(jié)構(gòu)應(yīng)力以及應(yīng)變情況,來驗(yàn)證吊鉤設(shè)計(jì)的合理性。同時在分析的基礎(chǔ)上為了進(jìn)一步提高設(shè)計(jì)的合理性,利用Ansysworkbench中優(yōu)化設(shè)計(jì)模塊對吊鉤進(jìn)行優(yōu)化,依據(jù)優(yōu)化結(jié)果對吊鉤重新設(shè)計(jì),獲得新的模型,對吊鉤進(jìn)行二次有限元分析,驗(yàn)證優(yōu)化的合理性。最后,為了能夠?qū)崿F(xiàn)吊鉤的自動控制,本文提出采用行程開關(guān)作為吊鉤動作的主要控制元件,分別設(shè)計(jì)了吊鉤的主電路以及控制電路,在理論上為實(shí)現(xiàn)吊鉤的控制奠定基礎(chǔ),能夠有利于降低工作人員的負(fù)擔(dān),提高工作效率。
[Abstract]:With the implementation of China's maritime power and Belt and Road strategy, the development of shipping industry will be paid more and more attention by the country. Navigation aids play an extremely important role. The arrangement of navigation aids can not be separated from the assistance of the ship crane, most of the process depends on the operation of staff. Because the hooks do not have the basic automatic function, at the same time. Due to the influence of wind, wave, flow and other external environment and self-manipulation in the working process of marine crane, the crane hoist will swing, which will increase its danger in the close operation of the staff. The design of a hook with high degree of automation is of great significance to the safe and efficient operation of the ship crane. Firstly, the design scheme of the hook is determined in this paper. In order to determine the load of hooks, the prototype of marine crane is built on the existing two-degree-of-freedom swing platform in the laboratory in order to determine the reliability of hooks, and based on the common materials of hooks, the material of automatic decoupling hooks is determined to improve the reliability of hooks. Complete the relevant settings, on the platform and virtual prototype action function to obtain the maximum load of the hook, and then on the basis of the load. The structure of the hook and the design of the type selection of the driving mechanism. Through Solidworks to complete the design and assembly, to obtain the assembly of the hook. Then. In this paper, the structural strength of the hook is analyzed by the finite element analysis software Ansysworkbench, and the structural stress and strain of the hook under the maximum load are obtained. In order to further improve the rationality of the design, the optimization design module of Ansysworkbench is used to optimize the hook. According to the optimization results, the hook was redesigned and a new model was obtained. The second finite element analysis of the hook was carried out to verify the rationality of the optimization. Finally, in order to realize the automatic control of the hook. In this paper, the stroke switch is used as the main control element of the hook action. The main circuit and control circuit of the hook are designed respectively, which lays a foundation for the control of the hook in theory. Can help to reduce the burden of staff, improve work efficiency.
【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：U674.28

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