本文選題：隔膜泵 + 接觸分析��； 參考：《東北大學(xué)》2011年碩士論文

【摘要】：往復(fù)式隔膜泵是集活塞泵和壓力泵堅固耐用等優(yōu)點,克服活塞泵密封件易磨損等缺點而發(fā)展起來的一種理想的往復(fù)式料漿泵。它結(jié)構(gòu)簡單,可以高效可靠地輸送高溫、高磨蝕性固液兩相介質(zhì)物質(zhì)以及高粘度的流體的長距離高揚程的輸送。本論文以“不同油品對ZA303鋅基合金與鋁青銅兩種材質(zhì)滑板耐磨性的分析與連桿軸承替換”作為主要研究內(nèi)容,圍繞為“滑板、導(dǎo)板潤滑與材料替換,以及隔膜泵動力端尺寸的縮減”為預(yù)期效果,比較全面的對隔膜泵關(guān)鍵部件進行分析。 首先分析隔膜泵的結(jié)構(gòu)特征,運用Pro/E軟件進行三維建模,在分析了隔膜泵運動機理和受力規(guī)律的基礎(chǔ)上,建立了曲柄滑塊機構(gòu)數(shù)學(xué)模型,運用MATLAB軟件求解運動學(xué)動力學(xué)方程。其次利用機械系統(tǒng)動力學(xué)仿真軟件ADAMS構(gòu)建虛擬樣機,同時分析樣機的運動和受力情況,與已建立的數(shù)學(xué)模型對比驗證,運用分析的運動學(xué)數(shù)據(jù)為試驗轉(zhuǎn)速提供依據(jù),運用分析的動力學(xué)數(shù)據(jù)為有限元計算提供載荷依據(jù)。通過ANSYS有限元軟件對滑板和導(dǎo)板的接觸應(yīng)力進行分析,確定最大接觸應(yīng)力為磨損試驗提供載荷數(shù)據(jù)。初步計算探索用滑動軸承帶換曲軸滾動軸承的可能性,并進行連桿的強度分析。 最后根據(jù)前面的分析結(jié)果作為實驗依據(jù),以載荷為變量因素進行比壓實驗研究,以模擬正常工況下使用不同潤滑劑為因素進行長磨實驗研究,以模擬機器斷油為因素進行使用不同潤滑劑下的乏油磨損實驗研究。
[Abstract]:Reciprocating diaphragm pump is a kind of ideal reciprocating slurry pump which combines the advantages of piston pump and pressure pump. It has the advantages of simple structure, high efficiency and reliability in conveying high temperature, high abrasion, solid and liquid two-phase medium and high viscosity fluid with long distance and high head. In this paper, the wear resistance of ZA303 zinc-based and aluminum-bronze skateboards with different oils and the replacement of connecting rod bearings are taken as the main research contents. The main research contents are "slide plate, guide plate lubrication and material replacement". And the size reduction of diaphragm pump power end is expected, and the key parts of diaphragm pump are analyzed comprehensively. Firstly, the structural characteristics of the diaphragm pump are analyzed, and the three-dimensional model is built by using Pro/E software. On the basis of analyzing the motion mechanism and the force law of the diaphragm pump, the mathematical model of the crank slider mechanism is established, and the kinematics and dynamics equation is solved by using the MATLAB software. Secondly, the virtual prototype is constructed by using the mechanical system dynamics simulation software ADAMS, and the motion and force of the prototype are analyzed, and compared with the established mathematical model, the kinematics data are used to provide the basis for the test speed. The dynamic data are used to provide the load basis for finite element calculation. The contact stress of slide plate and guide plate was analyzed by ANSYS finite element software, and the maximum contact stress was determined to provide load data for wear test. The possibility of replacing crankshaft rolling bearing with sliding bearing belt is explored, and the strength of connecting rod is analyzed. Finally, according to the results of the previous analysis as the experimental basis, the specific pressure experiment is carried out with the load as the variable factor, and the long grinding experiment is carried out with different lubricants under simulated normal working conditions. The experimental study on the oil wear of the machine with different lubricant was carried out by using simulated machine oil breakage as a factor.
【學(xué)位授予單位】：東北大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH323

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本文編號：1980597