發(fā)布時(shí)間：2019-06-18 18:08

【摘要】：隨著現(xiàn)代制造行業(yè)產(chǎn)品更新?lián)Q代速度的不斷加快，依靠傳統(tǒng)的設(shè)計(jì)方法已跟不上社會對產(chǎn)品變化的需求。CAD參數(shù)化設(shè)計(jì)已經(jīng)成為當(dāng)今機(jī)械設(shè)計(jì)領(lǐng)域中十分重要的一個(gè)發(fā)展方向，并開始逐步替代傳統(tǒng)的機(jī)械設(shè)計(jì)方法，被人們越來越多地應(yīng)用到各行各業(yè)中。CAD參數(shù)化設(shè)計(jì)具有設(shè)計(jì)周期短、效率高，并且直接可以在計(jì)算機(jī)軟件中進(jìn)行產(chǎn)品的檢驗(yàn)與分析等特點(diǎn)，，這就使其更加符合現(xiàn)代制造行業(yè)對產(chǎn)品設(shè)計(jì)的要求。 齒輪作為傳動裝置當(dāng)中最為常見的一種零件，具有效率高、可靠性高、使用壽命長等優(yōu)點(diǎn)，應(yīng)用范圍非常廣泛。其中人字形齒輪在船舶、煤礦機(jī)械等行業(yè)中更是十分常見，并且由于人字形齒輪有傳遞功率高、運(yùn)轉(zhuǎn)平穩(wěn)、噪音低、軸向力能夠抵消等優(yōu)點(diǎn)，它在其它行業(yè)中的應(yīng)用也正在逐步增加。 本文主要是應(yīng)用UG6.0對人字形齒輪參數(shù)化設(shè)計(jì)及動、靜力學(xué)仿真進(jìn)行研究，主要研究內(nèi)容包括： 1)通過與斜齒輪傳動特性的對比，分析出人字形齒輪傳動特性的計(jì)算公式，及齒輪參數(shù)選擇的依據(jù)。 2)給出在UG環(huán)境中人字形齒輪的總體設(shè)計(jì)思路，建立了人字形齒輪的漸開線、過渡曲線和螺旋線等關(guān)鍵曲線的數(shù)學(xué)模型，并通過“關(guān)系表達(dá)式法”對人字形齒輪進(jìn)行參數(shù)化三維建模； 3)對人字形齒輪進(jìn)行虛擬嚙合裝配，并對其進(jìn)行干涉分析檢查，判斷裝配的正確性，利用ADAMS軟件，對人字形齒輪受力狀態(tài)進(jìn)行動力學(xué)仿真分析，驗(yàn)證齒輪設(shè)計(jì)的合理性； 4)應(yīng)用ANSYS Workbench軟件分析人字形齒輪在靜力狀態(tài)下的裝配模型，獲得其嚙合特性。 通過人字形齒輪受力狀態(tài)和嚙合特性的分析，對人字形齒輪的結(jié)構(gòu)性能有了更深的了解，為人字形齒輪的設(shè)計(jì)提供了參考依據(jù)。
[Abstract]:With the continuous acceleration of product renewal in modern manufacturing industry, relying on traditional design methods has been unable to keep up with the social demand for product changes. CAD parametric design has become a very important development direction in the field of mechanical design, and began to gradually replace the traditional mechanical design method, which has been more and more applied to various industries. CAD parametric design has short design cycle and high efficiency. And the characteristics of product inspection and analysis can be carried out directly in computer software, which makes it more in line with the requirements of modern manufacturing industry for product design. Gear, as the most common part of transmission device, has the advantages of high efficiency, high reliability and long service life, and has a wide range of applications. Herringbone gears are more common in ships, coal mining machinery and other industries, and because of the advantages of herringbone gears, such as high transmission power, stable operation, low noise, axial force can offset and so on, its application in other industries is also gradually increasing. In this paper, UG6.0 is used to study the parametric design and dynamic and static simulation of herringbone gear. The main research contents are as follows: 1) by comparing with the transmission characteristics of helical gear, the calculation formula of herringbone gear transmission characteristics and the basis of gear parameter selection are analyzed. 2) the overall design idea of herringbone gear in UG environment is given, and the mathematical models of involute, transition curve and helix of herringbone gear are established, and the parametric 3D modeling of herringbone gear is carried out by "relational expression method". 3) the virtual meshing assembly of herringbone gear is carried out, and the correctness of assembly is judged by interference analysis, and the dynamic simulation analysis of the stress state of herringbone gear is carried out by using ADAMS software to verify the rationality of gear design. 4) the assembly model of herringbone gear in static state is analyzed by ANSYS Workbench software, and its meshing characteristics are obtained. Through the analysis of the stress state and meshing characteristics of herringbone gear, the structure and performance of herringbone gear are better understood, which provides a reference for the design of herringbone gear.
【學(xué)位授予單位】：河北科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP391.72;TH132.41

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