本文選題：斗輪堆取料機　切入點：行走機構(gòu)　出處：《中南大學(xué)》2011年碩士論文　論文類型：學(xué)位論文

【摘要】：斗輪堆取料機是一種廣泛應(yīng)用于港口、電力、煤炭、冶金等行業(yè)的大型散料輸送設(shè)備。斗輪堆取料機行走機構(gòu)由多組結(jié)構(gòu)相同的行走臺車組成,行走機構(gòu)處于整臺機器的最下部,起著支撐整臺機器和機器的行走作用,其安全性與可靠性對整臺機器的安全運行起著至關(guān)重要的作用。 本文以DQL1000/1500.30斗輪堆取料機的行走機構(gòu)為研究對象,針對斗輪堆取料機行走機構(gòu)電機功率傳統(tǒng)計算采用經(jīng)驗公式方法的不足,對行走機構(gòu)電機功率進行現(xiàn)場實測,通過實測值與理論計算值比較,找出了行走機構(gòu)所需電機功率的理論計算修正方法；針對斗輪堆取料機行走機構(gòu)傳統(tǒng)設(shè)計中如許用應(yīng)力的取值界限、設(shè)計、制造水平、材質(zhì)、零部件的重要程度等因素沒有考慮,建立行走驅(qū)動齒輪模糊優(yōu)化的數(shù)學(xué)模型,結(jié)合MATLAB遺傳算法工具箱進行尋優(yōu)計算,研究結(jié)果表明,減小齒輪中心距和齒寬,可節(jié)約材料和制造成本；斗輪堆取料機傳統(tǒng)設(shè)計憑借經(jīng)驗設(shè)計時過于強調(diào)安全性,造成尺寸偏大,且不易發(fā)現(xiàn)產(chǎn)品中的薄弱環(huán)節(jié)等,對主動臺車架進行強度與剛度分析,發(fā)現(xiàn)半圓鉸附近的板應(yīng)力值偏大且超過許用應(yīng)力值,存在安全隱患,而其余地方的應(yīng)力值很小,強度值有很大的富裕；據(jù)此對主動臺車架進行結(jié)構(gòu)優(yōu)化,使其應(yīng)力分布更合理,最大應(yīng)力、應(yīng)變值都減小并滿足使用要求,且重量減輕22%；對優(yōu)化后的主動臺車架進行了模態(tài)分析,討論了主動臺車架運行的穩(wěn)定性；對主動臺車架進行了應(yīng)力測試,表明研究設(shè)計的主動臺車架結(jié)構(gòu)強度滿足要求,并驗證了有限元模型的正確性。
[Abstract]:Bucket wheel stacker is a kind of large bulk conveying equipment widely used in port, electric power, coal, metallurgy and other industries. The walking mechanism of bucket wheel stacker is composed of many groups of walking trolleys with the same structure. The walking mechanism is located at the bottom of the whole machine and plays the role of supporting the whole machine and the walking of the machine. Its safety and reliability play a vital role in the safe operation of the whole machine. In this paper, the walking mechanism of DQL1000/1500.30 bucket wheel stacker is taken as the research object. Aiming at the shortcoming of the traditional calculation method of the motor power of the bucket wheel stacker, the field measurement of the motor power of the walking mechanism is carried out. By comparing the measured value with the theoretical calculation value, this paper finds out the theoretical calculation and correction method of the motor power needed by the walking mechanism, aiming at the limit of the value of the stress used in the traditional design of the walking mechanism of the bucket wheel stacker, the design, the manufacturing level and the material quality, The important degree of components and other factors were not taken into account. The mathematical model of fuzzy optimization of traveling driving gear was established, and the optimization calculation was carried out by combining with MATLAB genetic algorithm toolbox. The research results show that the gear center distance and tooth width are reduced. The traditional design of bucket wheel stacker with experience emphasizes too much on safety, causes the size to be too large, and is not easy to find the weak links in the product, so the strength and rigidity of the active platform frame are analyzed. It is found that the stress value of the plate near the semi-circular hinge is too large and exceeds the allowable stress value, so there is a hidden danger of safety, while the stress value in the rest of the place is very small and the strength value is very rich, so that the structure of the active platform frame is optimized to make its stress distribution more reasonable. The maximum stress and strain value are reduced and meet the requirements of use, and the weight is reduced by 22. Modal analysis of the optimized active platform frame is carried out, the stability of the active platform frame is discussed, and the stress test of the active platform frame is carried out. The results show that the structural strength of the active platform frame can meet the requirements and verify the correctness of the finite element model.
【學(xué)位授予單位】：中南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH237

【引證文獻】

相關(guān)期刊論文 前10條

1 萬正喜;;三合一減速機扭力臂支座結(jié)構(gòu)優(yōu)化分析[J];機械工程師;2012年10期

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3 萬正喜;胡慶泉;;斗輪堆取料機行走機構(gòu)啃軌分析及改進研究[J];機械工程師;2012年12期

4 萬正喜;許鵬;;斗輪堆取料機中心落料斗的設(shè)計[J];煤礦機械;2013年01期

5 萬正喜;黃志剛;蔡小艷;;基于Matlab的錘式破碎機錘頭動力學(xué)分析及仿真[J];煤礦機械;2013年02期

6 萬正喜;瞿吉利;;錘式破碎機錘頭穩(wěn)定區(qū)域的計算研究[J];煤礦機械;2013年03期

7 萬正喜;彭高明;黃志剛;;斗輪堆取料機門座架受力分析及結(jié)構(gòu)優(yōu)化[J];起重運輸機械;2012年09期

8 萬正喜;丁寧;;斗輪堆取料機前臂架受力分析及優(yōu)化設(shè)計[J];起重運輸機械;2013年01期

9 萬正喜;胡慶泉;;四支腿臂式斗輪堆取料機輪壓計算[J];起重運輸機械;2013年04期

10 萬正喜;宗曉紅;;基于SolidWorks-simulation的回轉(zhuǎn)平臺主梁有限元分析[J];起重運輸機械;2013年08期

相關(guān)碩士學(xué)位論文 前1條

1 尹躍峰;新型盤輥破碎機的研制及其關(guān)鍵部件特性研究[D];鄭州大學(xué);2013年

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本文編號：1577713