本文選題：門式起重機　切入點：門架結(jié)構(gòu)　出處：《武漢理工大學(xué)》2012年碩士論文

【摘要】：傳統(tǒng)門式起重機設(shè)計存在設(shè)計效率低、結(jié)構(gòu)性能“富余”等問題。將有限元法應(yīng)用到門式起重機的設(shè)計中,可以大大提高設(shè)計效率、降低生產(chǎn)成本。本文以門式起重機門架結(jié)構(gòu)為研究對象,在深入學(xué)習(xí)有限元理論和參數(shù)化技術(shù)的基礎(chǔ)上,以ANSYS為工具,利用其參數(shù)化設(shè)計語言(APDL)進行二次開發(fā),建立門式起重機門架結(jié)構(gòu)的有限元分析及優(yōu)化系統(tǒng)。該系統(tǒng)集門架結(jié)構(gòu)的參數(shù)化設(shè)計、分析和優(yōu)化功能于一體,并且將所有功能都封裝為宏,能快速實現(xiàn)門架結(jié)構(gòu)的參數(shù)化建模。論文的主要研究工作和研究成果包括以下幾個方面： (1)基于ANSYS宏文件,制定ANSYS工具欄按鈕,分析系統(tǒng)界面明了,且參數(shù)輸入對話框皆有中文說明,降低了ANSYS軟件使用門檻。 (2)基于ANSYS參數(shù)化設(shè)計語言APDL,建立了門式起重機門架結(jié)構(gòu)的參數(shù)化有限元分析模型,模型的建立只需輸入相關(guān)參數(shù),其余由程序自動完成,這進一步降低了ANSYS軟件使用門檻。 (3)分析門式起重機門架結(jié)構(gòu)的受力,針對不同工況,對門式起重機門架結(jié)構(gòu)進行靜態(tài)特性分析和動態(tài)特性分析。 (4)以優(yōu)化設(shè)計理論為基礎(chǔ),以門架結(jié)構(gòu)相關(guān)參數(shù)為優(yōu)化設(shè)計的變量,以門架結(jié)構(gòu)的重量最輕為優(yōu)化設(shè)計的目標,在滿足強度、剛度及其它性能要求的基礎(chǔ)上,對門架結(jié)構(gòu)進行優(yōu)化設(shè)計分析,并對優(yōu)化結(jié)果進行檢驗,證明優(yōu)化設(shè)計的可行性。 (5)本文將ANSYS二次開發(fā)技術(shù)應(yīng)用于門式起重機門架結(jié)構(gòu)的有限元分析及優(yōu)化設(shè)計過程中,把有限元計算與參數(shù)化技術(shù)有機結(jié)合起來,使結(jié)構(gòu)分析的自動化程度有了很大的提高,具有重要的實際意義。
[Abstract]:The traditional gantry crane design has some problems such as low design efficiency and redundant structural performance. Applying finite element method to the design of gantry crane can greatly improve the design efficiency. In this paper, the portal structure of gantry crane is taken as the research object. On the basis of studying the finite element theory and parameterization technology in depth, ANSYS is used as the tool, and its parameterized design language is used to carry out the secondary development. The finite element analysis and optimization system of gantry crane portal structure is established. The system integrates the parameterized design, analysis and optimization functions of portal structure, and encapsulates all functions into macros. The parameterized modeling of portal structure can be realized quickly. The main research work and research results include the following aspects:. 1) based on the ANSYS macro file, the ANSYS toolbar buttons are made, the interface of the analysis system is clear, and the parameter input dialog boxes are all described in Chinese, which reduces the threshold of using ANSYS software. 2) based on ANSYS parametric design language, the parameterized finite element analysis model of gantry crane portal structure is established. The establishment of the model only needs to input relevant parameters, and the rest is automatically completed by the program, which further reduces the threshold of ANSYS software use. The static and dynamic characteristics of gantry crane gantry structure are analyzed according to different working conditions. (4) based on the theory of optimum design, taking the relevant parameters of the portal structure as the variables of the optimization design, taking the minimum weight of the portal structure as the objective of the optimization design, on the basis of satisfying the requirements of strength, stiffness and other performance, The optimum design of the portal structure is analyzed, and the result of optimization is tested to prove the feasibility of the optimal design. In this paper, the ANSYS secondary development technology is applied to the finite element analysis and optimization design of portal structure of gantry crane, and the finite element calculation and parameterization technology are combined organically, so that the automation degree of structure analysis is greatly improved. It has important practical significance.
【學(xué)位授予單位】：武漢理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TH213.5

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