本文選題：齒輪系統(tǒng) + 動(dòng)態(tài)特性��； 參考：《太原理工大學(xué)》2017年碩士論文

【摘要】：礦用減速器作為煤礦機(jī)械設(shè)備中十分重要的組成部分,在運(yùn)動(dòng)和動(dòng)力傳遞過(guò)程中起著不可替代的作用,但其運(yùn)行工況往往比較惡劣、連續(xù)運(yùn)轉(zhuǎn)時(shí)間長(zhǎng)、常常受到各種沖擊載荷的作用,其工作性能的好壞直接影響著整個(gè)煤礦機(jī)械設(shè)備的工作性能的好壞,因此有必要對(duì)礦用減速器齒輪系統(tǒng)的動(dòng)力學(xué)特性進(jìn)行研究,并對(duì)齒輪系統(tǒng)動(dòng)態(tài)特性進(jìn)行參數(shù)優(yōu)化,提高礦用減速器承載能力和使用壽命、降低振動(dòng)和噪聲。本文主要研究?jī)?nèi)容如下:(1)運(yùn)用Romax軟件建立礦用減速器兩級(jí)平行軸斜齒輪系統(tǒng)分析模型,在額定工況下對(duì)兩級(jí)齒輪進(jìn)行靜力學(xué)分析,得到各齒輪的最大接觸應(yīng)力、最大彎曲應(yīng)力和齒輪系統(tǒng)嚙合錯(cuò)位量分布情況;接著分析兩級(jí)齒輪副的嚙合狀態(tài)和齒面載荷分布,找到偏載嚴(yán)重且受載更大的那對(duì)齒輪副。(2)計(jì)算得到輸出級(jí)斜齒輪副的時(shí)變嚙合剛度和受載傳動(dòng)誤差曲線,分析不同程度齒面磨損對(duì)斜齒輪副嚙合剛度和傳動(dòng)誤差的影響,為齒輪系統(tǒng)動(dòng)態(tài)特性分析提供基礎(chǔ)。(3)分析齒輪系統(tǒng)在輸出級(jí)斜齒輪副傳動(dòng)誤差激勵(lì)下的系統(tǒng)模態(tài)柔度,并找出系統(tǒng)模態(tài)柔度最大的前6階模態(tài)頻率,再通過(guò)固有模態(tài)分析得到對(duì)應(yīng)的固有模態(tài)振型;以輸出級(jí)齒輪傳動(dòng)誤差一階諧波為激勵(lì),獲得齒輪系統(tǒng)各軸承動(dòng)態(tài)軸承力和軸承振動(dòng)加速度的動(dòng)態(tài)響應(yīng);計(jì)算不同程度齒面磨損對(duì)軸承力和軸承振動(dòng)加速度的影響;介紹輪齒不同類型齒面偏差的定義,分析不同類型齒廓偏差和螺旋線偏差對(duì)系統(tǒng)動(dòng)態(tài)響應(yīng)的影響規(guī)律。(4)介紹斜齒輪齒廓和齒向修形原理和方法,以齒輪傳動(dòng)誤差波動(dòng)最小化為目標(biāo),以齒輪齒廓、齒向修形參數(shù)為設(shè)計(jì)變量,運(yùn)用遺傳算法對(duì)齒輪副齒面進(jìn)行初始優(yōu)化;通過(guò)分析各設(shè)計(jì)變量對(duì)齒輪傳動(dòng)誤差波動(dòng)的影響,得到了最佳設(shè)計(jì)變量組合;對(duì)齒輪副齒面進(jìn)行二次修形優(yōu)化,獲得了最佳修形優(yōu)化方案;通過(guò)對(duì)比優(yōu)化前后齒輪嚙合狀態(tài)和齒面載荷分布,以此來(lái)驗(yàn)證優(yōu)化結(jié)果的正確性。
[Abstract]:As a very important part of coal mine machinery and equipment, the mining reducer plays an irreplaceable role in the process of motion and power transmission, but its operating conditions are often bad, and the continuous running time is long, and it is often affected by various impact loads. The working performance of the coal mine is directly affected by the work of the whole coal mine machinery and equipment. For good or bad performance, it is necessary to study the dynamic characteristics of the gear system of the mining reducer, optimize the dynamic characteristics of the gear system, improve the bearing capacity and service life of the mining reducer, and reduce the vibration and noise. The main contents of this paper are as follows: (1) Romax software is used to establish the two level parallel of the mining reducer. The analysis model of the axis helical gear system is carried out on the statics analysis of two stage gear under the rated condition. The maximum contact stress, maximum bending stress and gear system meshing dislocation distribution are obtained. Then the meshing state and the load distribution of the two gear pair are analyzed, and the pair of gear pairs with serious load and larger load are found. (2) the time-varying meshing stiffness and the load transmission error curve of the output grade helical gear pair are calculated, and the influence of the tooth surface wear on the meshing stiffness and transmission error of the helical gears is analyzed, which provides the basis for the analysis of the dynamic characteristics of the gear system. (3) the system modal flexibility under the transmission error of the transmission stage helical gear pair is analyzed. The first 6 order modal frequencies of the maximum system modal flexibility are found, and the inherent modal vibration modes are obtained by the inherent modal analysis. The dynamic response of the dynamic bearing force and the bearing vibration acceleration of each bearing in the gear system is obtained by the first order harmonic of the output gear transmission error, and the bearing force of different degree of tooth surface wear to the bearing force is calculated. The influence of the vibration acceleration of the bearing is introduced. The definition of the tooth surface deviation of different types of gear teeth is introduced, and the influence of the different types of profile deviation and spiral line deviation on the dynamic response of the system is analyzed. (4) the principle and method of the helical gear profile and tooth profile modification are introduced, with the objective of the gear transmission error minimization, the gear profile and the tooth profile modification parameter. For the design variables, the genetic algorithm is used to optimize the gear pair tooth surface. By analyzing the influence of the design variables on the gear transmission error fluctuation, the optimum design variable combination is obtained. The optimization of the gear pair tooth surface is optimized two times, and the optimum modification is obtained. By comparing the gear meshing state and tooth before and after the optimization, the gear tooth surface is optimized. Surface load distribution is used to verify the correctness of the optimization results.
【學(xué)位授予單位】：太原理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TD40

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 王永剛;;基于遺傳算法的采煤機(jī)截割部?jī)?yōu)化設(shè)計(jì)[J];煤炭工程;2016年12期

2 鄧成軍;何俊;;斜齒圓柱齒輪齒面數(shù)學(xué)模型與修形研究[J];礦山機(jī)械;2014年10期

3 姬建鋼;張磊;黃新華;李鐵峰;;漸開(kāi)線圓柱齒輪修形技術(shù)及評(píng)價(jià)方法[J];機(jī)械傳動(dòng);2014年04期

4 張義民;楊健;胡鵬;;斜齒輪副傳遞有限元誤差分析[J];機(jī)械設(shè)計(jì)與制造;2014年03期

5 唐進(jìn)元;王志偉;伊洪麗;陳思雨;;齒根裂紋與輪齒嚙合剛度關(guān)聯(lián)規(guī)律研究[J];機(jī)械傳動(dòng);2014年02期

6 石照耀;林虎;;齒輪誤差多自由度理論[J];機(jī)械工程學(xué)報(bào);2014年01期

7 張奎曉;胡鵬;張義民;;基于漸開(kāi)線齒輪精確建模的嚙合剛度的數(shù)值計(jì)算[J];機(jī)械設(shè)計(jì)與制造;2013年02期

8 馬輝;王奇斌;黃婧;張義民;;考慮幾何偏心的斜齒輪耦合轉(zhuǎn)子系統(tǒng)振動(dòng)響應(yīng)分析[J];航空動(dòng)力學(xué)報(bào);2013年01期

9 李哲;楊道龍;郭會(huì)珍;;基于遺傳算法行星齒輪減速機(jī)構(gòu)優(yōu)化設(shè)計(jì)[J];煤礦機(jī)械;2012年09期

10 尚振華;徐必根;唐紹輝;;大體積充填體間礦體開(kāi)采的采場(chǎng)結(jié)構(gòu)參數(shù)優(yōu)化[J];礦業(yè)研究與開(kāi)發(fā);2012年02期

相關(guān)博士學(xué)位論文 前2條

1 常樂(lè)浩;平行軸齒輪傳動(dòng)系統(tǒng)動(dòng)力學(xué)通用建模方法與動(dòng)態(tài)激勵(lì)影響規(guī)律研究[D];西北工業(yè)大學(xué);2014年

2 張靖;不同因素激勵(lì)下齒輪傳動(dòng)動(dòng)力學(xué)仿真及實(shí)驗(yàn)研究[D];重慶大學(xué);2012年

相關(guān)碩士學(xué)位論文 前6條

1 史若男;汽車變速器齒輪修形設(shè)計(jì)與試驗(yàn)研究[D];太原理工大學(xué);2015年

2 付勛;煤礦輸運(yùn)機(jī)減速器斜齒圓柱齒輪的動(dòng)態(tài)修形[D];河南科技大學(xué);2015年

3 蓋苗苗;JS40礦用減速器的優(yōu)化及可靠性分析[D];河南科技大學(xué);2015年

4 宋嬌;變速器齒輪的修形研究[D];武漢理工大學(xué);2013年

5 胥良;基于載荷譜的兆瓦級(jí)風(fēng)電齒輪箱動(dòng)態(tài)特性研究[D];重慶大學(xué);2013年

6 陳亮;基于動(dòng)力學(xué)的土壓平衡盾構(gòu)減速器齒輪傳動(dòng)系統(tǒng)可靠性評(píng)估及參數(shù)優(yōu)化設(shè)計(jì)[D];重慶大學(xué);2011年

，

本文編號(hào)：2058031