本文選題：單軌吊　切入點(diǎn)：優(yōu)化設(shè)計(jì)　出處：《中國(guó)礦業(yè)大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：單軌吊是煤礦輔助運(yùn)輸?shù)年P(guān)鍵裝備,而驅(qū)動(dòng)系統(tǒng)是單軌吊的主要工作部件�，F(xiàn)有單軌吊由電機(jī)驅(qū)動(dòng)的較少,故研究電牽引單軌吊驅(qū)動(dòng)系統(tǒng)動(dòng)力學(xué)特性,可以填補(bǔ)單軌吊電機(jī)驅(qū)動(dòng)研究空白,對(duì)提高電牽引單軌吊驅(qū)動(dòng)特性,實(shí)現(xiàn)井下輔助運(yùn)輸?shù)陌踩咝Оl(fā)展具有重要意義。本論文以電牽引單軌吊的驅(qū)動(dòng)系統(tǒng)為研究對(duì)象,基于優(yōu)化設(shè)計(jì)理論、非線性有限元分析、軌道車輛動(dòng)力學(xué)對(duì)電牽引單軌吊驅(qū)動(dòng)系統(tǒng)的動(dòng)力學(xué)特性進(jìn)行了研究。基于優(yōu)化設(shè)計(jì)基本理論,適當(dāng)簡(jiǎn)化電牽引單軌吊驅(qū)動(dòng)系統(tǒng)的齒輪傳動(dòng)系統(tǒng),并使用MATLAB中的Fmincon函數(shù)對(duì)其進(jìn)行優(yōu)化設(shè)計(jì),利用ANSYS/Workbench的Modal模塊和Transient模塊,對(duì)優(yōu)化前后的傳動(dòng)系統(tǒng)進(jìn)行有限元分析,得到優(yōu)化前后傳動(dòng)系統(tǒng)的模態(tài)頻率和振型以及在嚙合過程中的應(yīng)力分布。結(jié)果表明優(yōu)化后的齒輪傳動(dòng)系統(tǒng)在減小體積的同時(shí),承載能力也有所提高,優(yōu)化效果較為顯著,對(duì)生產(chǎn)實(shí)際有參考意義。基于軌道車輛動(dòng)力學(xué)基本理論,結(jié)合電牽引單軌吊工作環(huán)境和運(yùn)行方式的特殊性,針對(duì)單軌吊驅(qū)動(dòng)系統(tǒng)的動(dòng)力學(xué)行為進(jìn)行探討。將單軌吊中的各種輪對(duì)作用在動(dòng)力學(xué)分析中進(jìn)行等效簡(jiǎn)化,建立了電牽引單軌吊驅(qū)動(dòng)系統(tǒng)在直線和曲線軌道上的受力模型,獲得該系統(tǒng)穩(wěn)定性的影響因素。分析指出使用較大夾緊力和剛度的輪對(duì)有利于增加系統(tǒng)穩(wěn)定性,為后續(xù)試驗(yàn)研究和系統(tǒng)仿真奠定理論基礎(chǔ)�；诮诬壍躜�(qū)動(dòng)系統(tǒng)簡(jiǎn)化模型的方法,利用Pro/E建立電牽引單軌吊驅(qū)動(dòng)系統(tǒng)的三維模型,采用ADAMS分別對(duì)齒輪傳動(dòng)部分和驅(qū)動(dòng)系統(tǒng)整體進(jìn)行動(dòng)力學(xué)仿真,以控制負(fù)載、夾緊力、輸入速度、和軌道類型等工作參數(shù)的方式對(duì)單軌吊驅(qū)動(dòng)系統(tǒng)動(dòng)力學(xué)特性進(jìn)行研究,并分析各工作參數(shù)下電牽引單軌吊驅(qū)動(dòng)系統(tǒng)振動(dòng)加速度、輸入扭矩及啟動(dòng)時(shí)間的變化規(guī)律,為單軌吊運(yùn)行參數(shù)的選取和軌道的設(shè)計(jì)提供指導(dǎo)。以山東能源重裝集團(tuán)魯中裝備制造有限公司生產(chǎn)的DC120/80Y型柴油機(jī)牽引單軌吊及其檢測(cè)軌道作為試驗(yàn)平臺(tái),對(duì)單軌吊在進(jìn)行多種軌道類型、多種夾緊力以及多種負(fù)載條件下的動(dòng)力學(xué)特性進(jìn)行試驗(yàn)研究,并與動(dòng)力學(xué)仿真進(jìn)行對(duì)比,驗(yàn)證了單軌吊驅(qū)動(dòng)系統(tǒng)簡(jiǎn)化模型的正確性,為進(jìn)一步對(duì)電牽引單軌吊驅(qū)動(dòng)系統(tǒng)的仿真研究提供試驗(yàn)依據(jù)。
[Abstract]:Monorail crane is the key equipment of auxiliary transportation in coal mine, and the driving system is the main working part of monorail crane. There are few monorail cranes driven by motor, so the dynamic characteristics of electric traction monorail crane drive system are studied. It can fill in the blank of motor drive of monorail crane, improve the driving characteristics of electric traction monorail crane, and realize the safe and efficient development of underground auxiliary transportation. In this paper, the driving system of electric traction monorail crane is taken as the research object. Based on the theory of optimal design, nonlinear finite element analysis and dynamics of rail vehicle, the dynamic characteristics of electric traction monorail crane drive system are studied. The gear transmission system of the electric traction monorail crane drive system is simplified properly, and the Fmincon function in MATLAB is used to optimize its design. The finite element analysis of the transmission system before and after optimization is carried out by using the Modal module and Transient module of ANSYS/Workbench. The modal frequency and mode shape of the transmission system before and after the optimization and the stress distribution in the meshing process are obtained. The results show that the optimized gear transmission system not only reduces the volume, but also improves the bearing capacity of the gear transmission system. Based on the basic theory of rail vehicle dynamics, combined with the particularity of working environment and operation mode of electric traction monorail crane, The dynamic behavior of the driving system of monorail crane is discussed. The equivalent simplification of various wheelsets in monorail crane in dynamic analysis is carried out, and the force model of driving system of electric traction monorail crane on straight line and curve track is established. The factors affecting the stability of the system are obtained. It is pointed out that the wheelset with large clamping force and stiffness can increase the stability of the system. Based on the simplified model of monorail crane drive system, the three-dimensional model of electric traction monorail crane drive system is established by using Pro/E. The dynamic simulation of the gear drive part and the whole driving system is carried out by using ADAMS, and the dynamic characteristics of the monorail crane drive system are studied by controlling the working parameters such as load, clamping force, input speed and track type. The variation rules of vibration acceleration, input torque and start-up time of electric traction monorail crane drive system under various working parameters are analyzed. This paper provides guidance for the selection of operating parameters and the design of track for monorail crane. Taking the DC120/80Y diesel engine traction monorail crane and its testing track produced by Shandong Energy heavy loading Group Luzhong equipment Manufacturing Co., Ltd as the test platform, The dynamic characteristics of monorail crane under various rail types, clamping forces and loads are experimentally studied, and compared with dynamic simulation, the correctness of simplified model of monorail crane driving system is verified. It provides experimental basis for further simulation research of electric traction monorail crane drive system.
【學(xué)位授予單位】：中國(guó)礦業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TD634

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