本文關(guān)鍵詞：道路就地冷再生機(jī)動(dòng)力學(xué)仿真研究　出處：《長(zhǎng)安大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： 道路就地冷再生機(jī) 銑拌刀具 虛擬仿真 優(yōu)化設(shè)計(jì)

【摘要】：路面就地冷再生機(jī)作為路面冷再生過(guò)程中主要施工機(jī)械，能夠在對(duì)道路通行影響最小情況完成舊路面的再生和維護(hù)工作。在我國(guó)公路即將進(jìn)入全面維護(hù)的大背景下，冷再生機(jī)的性能研究，特別是銑拌鼓的針對(duì)性研究顯的尤為重要。本文通過(guò)利用冷再生機(jī)工作過(guò)程特點(diǎn)與路面破壞模型，得到銑削厚度變化的規(guī)律和銑拌刀具的受力數(shù)學(xué)表達(dá)式。分析出了冷再生機(jī)功率分配表達(dá)式，并對(duì)影響切削功率的因素進(jìn)行了總結(jié)歸納。對(duì)比穩(wěn)定土拌合機(jī)刀具布置形式，得出適合冷再生機(jī)工作特點(diǎn)刀具的布置形式，建立其三維實(shí)體模型。虛擬仿真中使用Proe軟件三維造型功能與ADAMS的運(yùn)動(dòng)學(xué)與動(dòng)力學(xué)功能，完成虛擬樣機(jī)建立和動(dòng)力學(xué)仿真。通過(guò)仿真得到與數(shù)學(xué)分析相符的刀具運(yùn)動(dòng)速度，位移和軌跡曲線(xiàn)。利用單把刀具載荷添加進(jìn)而得到銑拌鼓在水平方向阻力與豎直方向阻力變化曲線(xiàn)。在結(jié)合單把刀具受力曲線(xiàn)和銑拌刀具布置特點(diǎn)的基礎(chǔ)上，得到了多把刀具同時(shí)工作銑拌鼓水平受力和轉(zhuǎn)矩變化曲線(xiàn)。優(yōu)化設(shè)計(jì)了刀具排列參數(shù)，對(duì)單因子進(jìn)行了最優(yōu)化，，并結(jié)合ADAMS優(yōu)化試驗(yàn)設(shè)計(jì)，整合優(yōu)化了多因子匹配研究。
[Abstract]:As the main construction machinery in the process of road surface cold regeneration, the road surface local cold recycling machine. It can complete the regeneration and maintenance of the old pavement in the condition of minimal impact on the road passage. Under the background that the highway in our country is about to enter the comprehensive maintenance, the performance of the cold regenerator is studied. Especially the pertinence research of milling drum is very important. This paper makes use of the characteristics of cold regenerator working process and road damage model. The law of the thickness change of milling and the mathematical expression of the force of milling and mixing tool are obtained, and the power distribution expression of cold regenerator is analyzed. The factors influencing the cutting power are summarized and compared with the tool layout of the stabilized soil mixer, and the tool layout suitable for the working characteristics of the cold regenerator is obtained. In the virtual simulation, the three-dimensional modeling function of Proe software and the kinematics and dynamics function of ADAMS are used in virtual simulation. The virtual prototype is built and the dynamic simulation is carried out. The tool motion speed which is consistent with the mathematical analysis is obtained by simulation. Displacement and trajectory curves. The variation curves of horizontal and vertical resistance of milling drum are obtained by adding single tool load. Based on the combination of single tool force curve and the characteristics of milling and mixing tool arrangement. The curves of horizontal force and torque change of milling drum are obtained. The parameters of tool arrangement are optimized, and the single factor is optimized, and the optimal design is combined with ADAMS test. Integration optimizes the research of multi-factor matching.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：U415.528

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