本文選題：履帶起重機(jī) + 行走機(jī)構(gòu)�。� 參考：《太原科技大學(xué)》2012年碩士論文

【摘要】：履帶起重機(jī)是廣泛應(yīng)用于國民經(jīng)濟(jì)各領(lǐng)域的一種流動(dòng)式起重設(shè)備。隨著我國經(jīng)濟(jì)建設(shè)的發(fā)展，對(duì)其需求量越來越大，對(duì)其性能的要求也越來越高。行走機(jī)構(gòu)是履帶起重機(jī)重要的機(jī)構(gòu)之一，，其動(dòng)態(tài)特性直接影響整個(gè)起重機(jī)的工作性能。目前，隨著中國經(jīng)濟(jì)崛起，電力、石化、鋼鐵、交通基礎(chǔ)設(shè)施進(jìn)入建設(shè)高潮，大噸位履帶起重機(jī)市場需求旺盛。這些機(jī)械動(dòng)輒數(shù)千噸，甚至上萬噸，為了使其能夠在一定范圍內(nèi)移動(dòng)，通常采用大型履帶行走裝置。隨著稱重量的增加，履帶數(shù)量相應(yīng)增大，出現(xiàn)四履帶或者八履帶甚至十六條履帶行走裝置。 國內(nèi)履帶起重機(jī)的制造廠商主要依據(jù)經(jīng)驗(yàn)及類比的方法來進(jìn)行履帶行走裝置的設(shè)計(jì)，再通過樣機(jī)試驗(yàn)來發(fā)現(xiàn)問題。這既花費(fèi)了大量的時(shí)間和精力，又存在巨大的經(jīng)濟(jì)風(fēng)險(xiǎn)。本文介紹了兩種不同形式的四履帶起重機(jī)，并且針對(duì)履帶行走裝置利用動(dòng)力學(xué)軟件ADAMS和有限元分析軟件ANSYS進(jìn)行仿真分析，能在設(shè)計(jì)早期發(fā)現(xiàn)問題，同時(shí)可為整車提供優(yōu)化方案，也為別的履帶行走裝置設(shè)計(jì)提供了參考方案。 本文以對(duì)履帶起重機(jī)的行走裝置進(jìn)行研究的內(nèi)容如下： （1）介紹了履帶起重機(jī)特點(diǎn)及國內(nèi)外發(fā)展趨勢。 （2）詳細(xì)地闡述了履帶起重機(jī)行走機(jī)構(gòu)及其基本原理，并且說明了履帶行走裝置的兩種驅(qū)動(dòng)方式：電力驅(qū)動(dòng)和液壓驅(qū)動(dòng)。 （3）四履帶形式的履帶起重機(jī)行走機(jī)構(gòu)理論介紹及分析。第一種四履帶形式即雙履帶車，單獨(dú)取一個(gè)履帶車做理論分析和介紹。第二種形式即四條履帶在同一車體上。對(duì)四履帶車輛轉(zhuǎn)向理論建立數(shù)學(xué)模型，并且用軟件MATLAB分析了不同轉(zhuǎn)彎半徑和驅(qū)動(dòng)力間的關(guān)系。 （4）完成了基于PRO/E和ADAMS軟件對(duì)160t履帶起重機(jī)單條履帶裝置三維建模及進(jìn)行了動(dòng)力學(xué)仿真分析。 （5）基于Ansys進(jìn)行履帶起重機(jī)行走裝置四輪一帶結(jié)構(gòu)設(shè)計(jì)與有限元分析。
[Abstract]:Crawler crane is a kind of mobile lifting equipment widely used in various fields of national economy. With the development of China's economic construction, the demand for its performance is increasing. Walking mechanism is one of the important mechanisms of crawler crane, and its dynamic characteristics directly affect the working performance of the whole crane. At present, with the rise of China's economy, power, petrochemical, steel, transportation infrastructure into the construction climax, the market demand for large tonnage crawler cranes is exuberant. These machines often use thousands of tons or even tens of thousands of tons. In order to make them move within a certain range, they usually use large crawler walking devices. With the increase of weighing, the number of tracks increases accordingly, and there are four or eight tracks or even sixteen crawler walking devices. The domestic manufacturer of crawler crane mainly designs the crawler walking device based on experience and analogy, and finds out the problem through prototype test. This not only cost a lot of time and energy, but also a huge economic risk. This paper introduces two different types of four-crawler cranes. The dynamic software ADAMS and the finite element analysis software ANSYS are used to simulate and analyze the crawler moving device. The problems can be found in the early design and the optimization scheme can be provided for the whole vehicle at the same time. It also provides a reference scheme for the design of other crawler walking devices. The contents of this paper are as follows: This paper introduces the characteristics of crawler crane and its development trend at home and abroad. In this paper, the walking mechanism of crawler crane and its basic principle are described in detail, and two driving modes of crawler traveling device, electric drive and hydraulic drive, are explained. Introduction and analysis of four-track type crawler crane walking mechanism. The first kind of four-track car, double track car, takes a single track car for theoretical analysis and introduction. The second form is four tracks on the same body. The mathematical model of steering theory of four-track vehicle is established, and the relationship between different turning radius and driving force is analyzed by software MATLAB. Based on PRO/E and ADAMS software, the 3D modeling and dynamic simulation of 160 t crawler crane single track device are completed. Design and finite element analysis of four-wheel structure of crawler crane walking device based on Ansys.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH213.7

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