本文選題：智能型步履式挖掘機(jī) + 動態(tài)穩(wěn)定性��； 參考：《東北石油大學(xué)》2014年碩士論文

【摘要】：智能型步履式挖掘機(jī)是新興的特種機(jī)械，可廣泛用于各種施工現(xiàn)場，如搶險救災(zāi)、空間狹小、山地等普通施工機(jī)械無法到達(dá)的地點(diǎn)，所以智能型步履式挖掘機(jī)的安全性能和施工效率等受到極大的關(guān)注。使用傳統(tǒng)方法已經(jīng)不能滿足設(shè)計(jì)的要求。本文使用三維工程軟件研發(fā)設(shè)計(jì)智能型步履式挖掘機(jī)并進(jìn)行動態(tài)仿真分析。 本文在綜合調(diào)查和分析了智能型步履式挖掘機(jī)在國內(nèi)外的發(fā)展現(xiàn)狀的基礎(chǔ)上，基于智能型步履式挖掘機(jī)結(jié)構(gòu)和行走控制方式，利用三維仿真軟件模擬技術(shù)，分析其運(yùn)動學(xué)和動力學(xué)仿真狀態(tài)，確定了底盤的危險的工作狀態(tài)，并據(jù)此進(jìn)行了底盤主體的強(qiáng)度分析、穩(wěn)定性分析等。全文主要從以下方面進(jìn)行了闡述： 首先，分析了智能型步履式挖掘機(jī)的國內(nèi)外發(fā)展形勢和結(jié)構(gòu)特點(diǎn)，并對其操作方法進(jìn)行了總結(jié)介紹。 其次，進(jìn)行了智能型步履式挖掘機(jī)數(shù)學(xué)模型的建立和整體穩(wěn)定性問題的研究。 再次，使用SolidWorks三維軟件繪制了整機(jī)的三維模型。使用多體動力學(xué)仿真軟件Simulation/Motin對底盤進(jìn)行了動態(tài)分析。在仿真結(jié)果的基礎(chǔ)上確定了底盤的最危險工況。根據(jù)載荷的邊界條件還進(jìn)行了結(jié)構(gòu)疲勞分析。
[Abstract]:Intelligent walking excavator is a new type of special machinery, which can be widely used in various construction sites, such as rescue and disaster relief, narrow space, mountainous areas and other common construction machinery can not reach the location, Therefore, the safety performance and construction efficiency of intelligent walking excavator have received great attention. The use of traditional methods can no longer meet the requirements of the design. In this paper, the intelligent walking excavator is developed by using three-dimensional engineering software and dynamic simulation analysis is carried out. Based on the comprehensive investigation and analysis of the present situation of intelligent walking excavator at home and abroad, this paper makes use of 3D simulation software simulation technology based on the structure and control mode of intelligent walking excavator. The kinematics and dynamics simulation state of the chassis is analyzed, and the dangerous working state of the chassis is determined. Based on this, the strength analysis and stability analysis of the chassis body are carried out. Firstly, the development situation and structure characteristics of intelligent walking excavator at home and abroad are analyzed, and its operation methods are summarized and introduced. Secondly, the mathematical model of intelligent walking excavator and the whole stability are studied. Thirdly, the 3D model of the whole machine is drawn with SolidWorks software. The dynamic analysis of the chassis is carried out by using simulation / motin, a multi-body dynamics simulation software. On the basis of the simulation results, the most dangerous working conditions of the chassis are determined. Structural fatigue analysis is also carried out according to the boundary condition of the load.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TU621

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