本文選題：圓錐破碎機 + 運動學(xué)��； 參考：《燕山大學(xué)》2015年碩士論文

【摘要】：破碎機作為破碎礦石物料主要設(shè)備,廣泛應(yīng)用于礦山、建筑、冶金等行業(yè)當(dāng)中。圓錐破碎機因其破碎粒度范圍廣、效率高等優(yōu)點在破碎過程中起著不可替代的作用。由于圓錐破碎機工作環(huán)境惡劣,正常工作時破碎機襯板磨損嚴(yán)重,需經(jīng)常更換。隨著破碎的物料總量不斷增加,巨大的鋼耗支出和更換襯板帶來的時間浪費嚴(yán)重制約著圓錐破碎機的效率。因此,加強對破碎機襯板的磨損研究十分必要,亟需開發(fā)高效、節(jié)能環(huán)保的圓錐破碎機。文章就圓錐破碎機襯板磨損狀況進行以下研究工作。為了更好地計算襯板表面的破碎力,基于圓錐破碎機運動學(xué)理論和破碎機腔型幾何結(jié)構(gòu)分析,提出了一種新的破碎機兩襯板間距的方法,進而建立了一種新的計算襯板表面破碎力的方法,得到了襯板表面的破碎力分布規(guī)律。通過采用經(jīng)驗公式計算襯板表面平均破碎力,驗證了模型的合理性和可靠性,為研究襯板表面的磨損量奠定了基礎(chǔ)。為了更好的預(yù)測襯板壽命,基于襯板表面破碎力計算模型,提出新的計算襯板表面磨損量的計算模型。通過與現(xiàn)場實測數(shù)據(jù)進行比對,驗證其有效性,從而能夠更好地預(yù)測襯板壽命。為了減少襯板表面磨損量,研究了破碎機結(jié)構(gòu)參數(shù)和工藝參數(shù)對襯板磨損狀況的影響規(guī)律,并選取動錐底角、偏心套轉(zhuǎn)速和進動角研究變量進行優(yōu)化設(shè)計,并計算優(yōu)化后襯板表面磨損量驗證其可靠性。同時通過理論推導(dǎo),得到一種新的耐磨腔型的設(shè)計模型,并通過計算襯板表面磨損量驗證其耐磨性優(yōu)于原腔型,其對設(shè)計破碎機腔型有一定的參考價值。
[Abstract]:As the main equipment of crushing ore material, crusher is widely used in mining, construction, metallurgy and other industries. Cone crusher plays an irreplaceable role in the crushing process because of its wide range of crushing granularity and high efficiency. Because the working environment of cone crusher is bad, the liner of crusher is worn seriously under normal working condition, so it needs to be replaced frequently. With the increasing of the total amount of broken materials, the efficiency of cone crusher is seriously restricted by the huge steel consumption and the waste of time caused by the replacement of linings. Therefore, it is necessary to strengthen the research on the wear of crusher liner, and it is urgent to develop an efficient, energy saving and environmental protection cone crusher. In this paper, the following research work is carried out on the wear condition of the lining of cone crusher. In order to better calculate the crushing force on the surface of lining plate, based on kinematics theory of cone crusher and geometric structure analysis of crusher cavity, a new method of distance between two linings of crusher is put forward. Then a new method to calculate the breakage force on the liner surface is established, and the distribution of the breakage force on the liner surface is obtained. The rationality and reliability of the model are verified by calculating the average breakage force of the liner surface by empirical formula, which lays a foundation for the study of the wear rate of the liner surface. In order to better predict the life of the liner, a new model for calculating the wear on the surface of the liner is proposed based on the model of the crushing force on the surface of the liner. The validity of the method is verified by comparing it with the field measured data, which can better predict the life of the liner. In order to reduce the surface wear of the liner, the influence of the crusher structure and process parameters on the wear of the liner was studied, and the dynamic cone bottom angle, eccentric sleeve speed and precession angle were selected to optimize the design. The reliability is verified by calculating the surface wear of the optimized liner. At the same time, through theoretical derivation, a new design model of wear-resistant cavity is obtained, and its wear resistance is proved to be superior to that of the original cavity by calculating the wear quantity of liner surface, which has certain reference value for the design of crusher cavity.
【學(xué)位授予單位】：燕山大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TD451

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