本文選題：銑刨機 + 載荷波動��； 參考：《長安大學》2014年碩士論文

【摘要】：現(xiàn)代路面養(yǎng)護方式中，經(jīng)濟性較好的作業(yè)方式就是先使用路面銑刨機銑削已損壞的路面，然后再鋪設新的面層，因此路面銑刨機已成為現(xiàn)代路面養(yǎng)護機械的主要機種之一。銑刨機作為現(xiàn)代路面養(yǎng)護機械不可或缺的一部分，隨著我國公路建設的快速發(fā)展其市場需求量也逐漸增大。然而，國內(nèi)銑刨機的生產(chǎn)較晚，主要通過引進和參考國外銑刨機先進技術，，由于缺乏自主的試驗和研究體系，特別是對銑刨機銑刨機理的研究不夠，導致與國外產(chǎn)品仍存在較大的差距。為了降低銑刨機的生產(chǎn)成本，改善其作業(yè)性能，提高市場競爭力，對銑刨系統(tǒng)的研究有著重要的理論和現(xiàn)實意義。 本文以國產(chǎn)某型號1m銑刨機為研究對象，對其銑刨系統(tǒng)進行了研究。主要研究內(nèi)容包括：單把銑刀的受力分析；銑刨鼓整機的受力分析；通過MATLAB軟件對銑刨鼓力學模型的仿真，研究了銑刨鼓幾何參數(shù)和作業(yè)參數(shù)對銑刨鼓阻力矩的影響；通過對銑刀三維實體建模和ANSYS有限元分析，研究了銑刀作業(yè)過程中應力分布，為銑刀的受力分析和結(jié)構(gòu)優(yōu)化提供了理論依據(jù)。 論文利用液壓仿真軟件AMESim建立了銑刨機銑刨液壓系統(tǒng)模型，在驗證模型正確后，對銑刨液壓系統(tǒng)載荷的波動進行了仿真，并提出了合理選用蓄能器可有效吸收銑刨液壓系統(tǒng)的壓力波動。 最后，論文針對銑刨鼓載荷波動及銑削比能耗問題，建立了銑刨鼓多目標優(yōu)化設計的數(shù)學模型。通過優(yōu)化使銑刨鼓的載荷波動明顯降低，且銑削比能耗也明顯降低，提高了銑刀的使用壽命及銑刨機的工作性能。
[Abstract]:In the modern pavement maintenance mode, the economical operation way is to use the pavement milling machine to milling the damaged road surface first, then lay the new surface layer, so the pavement milling machine has become one of the main kinds of the modern pavement maintenance machinery. As an indispensable part of modern pavement maintenance machinery, the market demand of milling planer is increasing with the rapid development of highway construction in China. However, the production of domestic milling machines is relatively late, mainly through the introduction and reference of advanced foreign milling machine technology, due to the lack of independent test and research system, especially the study of milling machine theory is not enough. As a result, there is still a big gap with foreign products. In order to reduce the production cost of milling machine, improve its performance and improve the market competitiveness, the research on milling and planing system has important theoretical and practical significance. In this paper, a 1 m milling machine made in China is taken as the research object, and its milling and planing system is studied. The main research contents are as follows: the mechanical analysis of single milling cutter, the mechanical analysis of milling drum, the simulation of milling drum mechanics model by MATLAB software, the influence of milling drum geometry parameter and operation parameter on the milling drum resistance moment; Through 3D solid modeling and ANSYS finite element analysis, the stress distribution of milling cutter is studied, which provides a theoretical basis for the mechanical analysis and structural optimization of milling cutter. The hydraulic system model of milling planing machine is established by using hydraulic simulation software AMESim. After verifying the model, the load fluctuation of milling planing hydraulic system is simulated. The reasonable selection of accumulator can effectively absorb the pressure fluctuation of milling and planing hydraulic system. Finally, aiming at the load fluctuation of milling drum and milling specific energy consumption, the mathematical model of multi-objective optimization design of milling drum is established. The load fluctuation of the milling drum and the specific energy consumption of the milling machine are obviously reduced by optimization, which improves the service life of the milling cutter and the working performance of the milling planer.
【學位授予單位】：長安大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U418.3

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