本文選題：輪式裝載機(jī) + 工作裝置　； 參考：《吉林大學(xué)》2011年碩士論文

【摘要】：輪式裝載機(jī)是一種用途非常廣泛的工程機(jī)械,可以在復(fù)雜的工作環(huán)境下進(jìn)行鏟裝、卸載、搬運(yùn)、平整散裝物料等作業(yè),還可以輕度的鏟掘巖石和硬土。此外,還可用鏟斗平整凹凸不平的地面和對其他機(jī)械進(jìn)行牽引作業(yè)。使用不同的工作裝置,輪式裝載機(jī)還可以進(jìn)行推土、起重和裝卸木料等工作。輪式裝載機(jī)工作裝置的傳統(tǒng)設(shè)計(jì)方法有類比試湊作圖法和基于平移性的作圖法,但是這些方法很難達(dá)到設(shè)計(jì)要求,研發(fā)周期長,工作過于繁瑣,采用虛擬樣機(jī)技術(shù)對輪式裝載機(jī)工作裝置進(jìn)行設(shè)計(jì)分析是非常必要的。 本文主要介紹了輪式裝載機(jī)的國內(nèi)外發(fā)展現(xiàn)狀及發(fā)展趨勢,介紹了本課題所要研究的輪式裝載機(jī)工作裝置的結(jié)構(gòu)組成及工作原理,對工作裝置各組成構(gòu)件進(jìn)行了受力分析,并對工作裝置進(jìn)行了運(yùn)動學(xué)的理論分析。用CATIA軟件建立了輪式裝載機(jī)工作裝置的三維實(shí)體模型,并詳細(xì)的介紹了CATIA與ADAMS的接口軟件MSC SimDesigner。通過MSC SimDesigner軟件,將CATIA模型導(dǎo)入ADAMS軟件之中。并在MSC SimDesigner環(huán)境下,對工作裝置模型添加運(yùn)動副約束與運(yùn)動約束。通過試驗(yàn)測定工作裝置原地空載怠速工況、原地空載高速工況、原地滿載怠速工況、原地滿載高速工況、原地空載怠速轉(zhuǎn)斗工況和原地空載高速轉(zhuǎn)斗工況時液壓系統(tǒng)的壓力變化情況。在ADAMS環(huán)境下建立虛擬樣機(jī)模型,對輪式裝載機(jī)工作裝置進(jìn)行動力學(xué)與運(yùn)動學(xué)仿真分析,得到工作裝置的的工作性能曲線,分析輪式裝載機(jī)工作裝置各構(gòu)件鉸接點(diǎn)的受力情況,形成了可以對工作裝置運(yùn)動學(xué)與運(yùn)動學(xué)進(jìn)行分析與校核的軟件系統(tǒng)。
[Abstract]:Wheel loader is a kind of widely used construction machinery, which can be used in complex working environment to carry out shovel, unloading, handling, leveling of bulk materials and so on, as well as slight shoveling of rock and hard soil. In addition, the bucket can also be used to smooth the uneven ground and other machinery for traction operations. Using different working devices, wheel loader can also be used to push earth, lift and load and unload wood. The traditional design methods of the working device of wheel loader include class comparison drawing method and drawing method based on translation, but these methods are very difficult to meet the design requirements, the research and development period is long, and the work is too tedious. It is necessary to design and analyze the working device of wheel loader by using virtual prototyping technology. This paper mainly introduces the present situation and development trend of wheel loader at home and abroad, introduces the structure and working principle of the working device of wheel loader, and analyzes the force of each component of the working device. The kinematics theory of the working device is analyzed. The 3D solid model of wheel loader working device is established by using CATIA software, and the interface software MSC Simdesigner between CATIA and ADAMS is introduced in detail. Through MSC SimDesigner software, the CATIA model is imported into ADAMS software. In the environment of MSC SimDesigner, the motion pair constraint and motion constraint are added to the working device model. By testing and measuring the idle condition, the high speed working condition, the idle speed condition, the full load idle condition, the full load idle working condition, the full load idle working condition, the full load idle working condition, the high speed working condition, The pressure variation of hydraulic system under the condition of idle bucket in situ and high speed in situ. The virtual prototype model is established under ADAMS environment, and the dynamics and kinematics simulation analysis of the working device of wheel loader is carried out, the working performance curve of the working device is obtained, and the force situation of the hinge points of each component of the working device of the wheel loader is analyzed. A software system which can analyze and check the kinematics and kinematics of the working device is formed.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH243

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