本文選題：徑向柱塞泵　切入點(diǎn)：動(dòng)力端　出處：《武漢理工大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著工業(yè)技術(shù)的高速騰飛及知識(shí)經(jīng)濟(jì)時(shí)代的到來,現(xiàn)代工業(yè)設(shè)備的自動(dòng)化水平得到了飛速提高,現(xiàn)代工業(yè)裝備表現(xiàn)出高度自動(dòng)化、集成化、智能化的趨勢(shì)；工業(yè)生產(chǎn)對(duì)現(xiàn)代設(shè)備綜合性能提出了越來越高的要求,普通的常規(guī)機(jī)械設(shè)備已不能完全滿足使用要求,柱塞泵作為工業(yè)設(shè)備的重要組成部分同樣面臨嚴(yán)峻挑戰(zhàn)。本論文致力于設(shè)計(jì)出一種全新的徑向柱塞往復(fù)泵,為改善基于常規(guī)的曲柄連桿機(jī)構(gòu)和傳統(tǒng)的凸輪機(jī)構(gòu)往復(fù)泵的缺陷,泵的動(dòng)力端運(yùn)用微可調(diào)滑動(dòng)機(jī)構(gòu)。擁有設(shè)計(jì)新穎、結(jié)構(gòu)簡(jiǎn)單、性能可靠、運(yùn)行平穩(wěn)、低耗能、低噪音、裝拆便捷,應(yīng)用范圍廣等諸多優(yōu)點(diǎn)。 本文所做的一系列的研究和探討是基于柱塞泵的動(dòng)力端作為研究目標(biāo)的,分析了常規(guī)曲柄連桿機(jī)構(gòu)及傳統(tǒng)凸輪機(jī)構(gòu)柱塞泵的結(jié)構(gòu)原理及其弊端所在,在此基礎(chǔ)上開發(fā)出了一種新型的四缸徑向柱塞泵,并就動(dòng)力端提出了兩種設(shè)計(jì)方案,詳細(xì)闡述了其工作原理及結(jié)構(gòu)方案,通過對(duì)動(dòng)力端的關(guān)鍵零部件進(jìn)行結(jié)構(gòu)設(shè)計(jì)及工藝分析,進(jìn)一步改善動(dòng)力端的性能。 利用Pro/E建立動(dòng)力端兩種方案的三維模型,并分析計(jì)算兩種方案的優(yōu)劣之處；選取優(yōu)勢(shì)方案并將三維模型導(dǎo)入Adams,建立往復(fù)泵的動(dòng)力端模型的虛擬樣機(jī),添加邊界條件及驅(qū)動(dòng)后對(duì)往復(fù)泵泵的動(dòng)力端進(jìn)行仿真分析計(jì)算,快捷方便的得出動(dòng)力端關(guān)鍵零部件的運(yùn)動(dòng)學(xué)及動(dòng)力學(xué)參數(shù)曲線,可清晰觀察柱塞泵的運(yùn)動(dòng)學(xué)特性。結(jié)合理論分析計(jì)算及多體動(dòng)力學(xué)仿真分析的結(jié)果,進(jìn)行對(duì)比分析研究為泵進(jìn)一步設(shè)計(jì)和改進(jìn)提供參考依據(jù)。對(duì)偏心主軸完成了結(jié)構(gòu)與工藝特性研究及動(dòng)平衡設(shè)計(jì),可有效減小由主軸組件的質(zhì)心同其旋轉(zhuǎn)中心不同軸所引起的慣性力。利用ANSYS對(duì)偏心主軸進(jìn)行結(jié)構(gòu)分析和疲勞破壞分析,研究分析兩種分析應(yīng)力、應(yīng)變情況；同時(shí)研究分析偏心主軸振動(dòng)性,對(duì)其進(jìn)行考慮預(yù)應(yīng)力影響的模態(tài)分析,列出各階固有頻率,并考察偏心主軸在各階固有頻率下發(fā)生共振時(shí)的應(yīng)力、應(yīng)變情況以防其發(fā)生共振破壞。 本文的擁有以下創(chuàng)新之處： 1、該柱塞泵動(dòng)力端的新型方案采用微可調(diào)弧面滑動(dòng)機(jī)構(gòu)代替常規(guī)曲柄連桿機(jī)構(gòu)和傳統(tǒng)凸輪機(jī)構(gòu),使其同時(shí)具備的承載能力強(qiáng)及結(jié)構(gòu)簡(jiǎn)單的優(yōu)勢(shì)。 2、將柱塞組件連接處設(shè)計(jì)成可轉(zhuǎn)動(dòng)球面式,有效減小了弧形滑塊的所受的彎矩；用新型復(fù)位機(jī)構(gòu)取代傳統(tǒng)的彈簧及油泵復(fù)位機(jī)構(gòu),使得復(fù)位簡(jiǎn)單、可靠。
[Abstract]:With the rapid development of industrial technology and the arrival of the era of knowledge economy, the automation level of modern industrial equipment has been rapidly improved, and modern industrial equipment shows the trend of high automation, integration and intelligence. Industrial production has put forward more and more high requirements for the comprehensive performance of modern equipment. Ordinary conventional machinery and equipment can no longer fully meet the requirements of use. As an important part of industrial equipment, piston pump also faces severe challenges. This paper is devoted to design a new radial plunger reciprocating pump, in order to improve the defects of conventional crank linkage mechanism and traditional cam mechanism reciprocating pump. The pump has many advantages, such as novel design, simple structure, reliable performance, stable operation, low energy consumption, low noise, convenient installation and disassembly, wide application range and so on. A series of research and discussion in this paper is based on the dynamic end of piston pump as the research objective. The structure principle and malpractice of conventional crank linkage mechanism and traditional cam mechanism piston pump are analyzed. On this basis, a new type of four-bore piston pump is developed, and two design schemes for the power end are put forward. The working principle and structure scheme of the pump are described in detail. The structural design and process analysis of the key parts of the power end are carried out. Further improve the performance of the power end. Using Pro/E to build the 3D model of two schemes of power end, and analyze the advantages and disadvantages of the two schemes, select the superior scheme and import the 3D model into Adams, and establish the virtual prototype of the power end model of reciprocating pump. After adding boundary conditions and driving, the kinematics and dynamic parameters of the key parts of the reciprocating pump can be obtained quickly and conveniently by the simulation analysis and calculation of the power end of the reciprocating pump. The kinematics characteristics of piston pump can be observed clearly. The comparative analysis provides a reference for the further design and improvement of the pump. The structure and process characteristics of the eccentric spindle and the design of the dynamic balance are completed. The inertial force caused by the center of mass of the spindle assembly and the different axes of the center of rotation can be effectively reduced. The structural analysis and fatigue failure analysis of the eccentric spindle are carried out by using ANSYS, and the two kinds of analytical stress and strain are studied and analyzed. At the same time, the vibration of the eccentric spindle is analyzed, and the modal analysis considering the influence of prestress is carried out, and the natural frequencies of each order are listed, and the stress of the eccentric spindle when resonance occurs at each natural frequency is investigated. Strain in case of resonance failure. This article has the following innovations:. 1. The new scheme of the piston pump adopts the micro-adjustable globoidal sliding mechanism instead of the conventional crank linkage mechanism and the traditional cam mechanism, which makes the piston pump have the advantages of strong bearing capacity and simple structure at the same time. 2. The connection of plunger assembly is designed as a rotatable spherical type, which effectively reduces the bending moment of the arc slider, and replaces the traditional spring and oil pump reset mechanism with a new reset mechanism, which makes the reset simple and reliable.
【學(xué)位授予單位】：武漢理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH322

【引證文獻(xiàn)】

相關(guān)博士學(xué)位論文 前1條

1 高鋒;飛機(jī)液壓系統(tǒng)泵—管路振動(dòng)特性研究[D];浙江大學(xué);2013年

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本文編號(hào)：1564189