【摘要】：齒輪泵是一種將機(jī)械能轉(zhuǎn)化為液壓能的機(jī)械裝置,它作為容積式液體輸送泵被廣泛應(yīng)用于汽車、石油、化工、建筑等各行各業(yè)中,與其他類型油泵相比,具有結(jié)構(gòu)簡單、重量輕、價(jià)格低、便于制造維修等優(yōu)點(diǎn)。但是由于排量小、困油嚴(yán)重、振動(dòng)噪聲大、徑向力不平衡等缺點(diǎn)嚴(yán)重限制了齒輪泵在一些行業(yè)的應(yīng)用。為了解決這些問題,本文提出了一種新型結(jié)構(gòu)的棱桿式油泵,在一定程度上改善了普通外嚙合齒輪泵排量小和困油嚴(yán)重的缺點(diǎn),擴(kuò)大了應(yīng)用范圍。本文在查閱大量相關(guān)文獻(xiàn)的基礎(chǔ)上,分析了齒輪泵的應(yīng)用現(xiàn)狀,指出了研究棱桿式油泵的重要意義,展開了對(duì)棱桿式油泵的基礎(chǔ)理論研究。論文一共做了以下幾方面的研究: 在研究齒輪嚙合規(guī)律的基礎(chǔ)上,通過綜合分析外嚙合齒輪泵的工作原理,確定了棱桿式油泵的基本結(jié)構(gòu)。為了方便與普通外嚙合齒輪泵做對(duì)比從而更好的說明棱桿式油泵的結(jié)構(gòu)優(yōu)勢(shì),論文結(jié)合KCB-83.3型齒輪泵的基本尺寸設(shè)計(jì)了轉(zhuǎn)子和腔體的結(jié)構(gòu)尺寸。運(yùn)用三維建模軟件CATIA建立了棱桿式油泵的三維實(shí)體圖并進(jìn)模擬裝配和運(yùn)動(dòng)仿真,驗(yàn)證了本文所設(shè)計(jì)的棱桿油泵進(jìn)出油口位置合理并確保轉(zhuǎn)子工作過程不發(fā)生干涉行為。 為了捕捉棱桿式油泵內(nèi)部流場(chǎng)變化情況,本文對(duì)棱桿式油泵進(jìn)行了流場(chǎng)動(dòng)態(tài)仿真分析。運(yùn)用計(jì)算流體動(dòng)力學(xué)(CFD) Fluent軟件的動(dòng)網(wǎng)格技術(shù),選取合適的計(jì)算模型和計(jì)算方法,分析了進(jìn)油過程和排油過程,得到轉(zhuǎn)子不同運(yùn)轉(zhuǎn)位置瞬態(tài)的壓力場(chǎng)和速度場(chǎng)的分布情況。分析了棱桿式油泵轉(zhuǎn)子與腔體內(nèi)壁間隙、轉(zhuǎn)子中心距以及轉(zhuǎn)速對(duì)出口流速和流量的影響。經(jīng)研究發(fā)現(xiàn),在轉(zhuǎn)子與腔體內(nèi)壁間隙、轉(zhuǎn)子中心距一定的情況下,棱桿式油泵流量與轉(zhuǎn)速呈線性關(guān)系;轉(zhuǎn)子與腔體內(nèi)壁間隙以及轉(zhuǎn)子中心距控制在一定范圍內(nèi)時(shí)對(duì)流量影響較小,一旦超過這個(gè)范圍會(huì)導(dǎo)致流量下降。 最后,運(yùn)用ANSYS Workbench軟件對(duì)棱桿式油泵的轉(zhuǎn)子和同步齒輪進(jìn)行有限元分析,得出轉(zhuǎn)子和同步齒輪在極限工況下的應(yīng)力應(yīng)變情況。
文內(nèi)圖片：
圖片說明：外嚙合齒輪泵和內(nèi)嚙合齒輪泵工作原理
[Abstract]:the gear pump is a mechanical device for converting mechanical energy into hydraulic energy, And is convenient for manufacturing and maintenance and the like. However, the application of gear pump in some industries is severely restricted because of small displacement, severe oil, large vibration noise and imbalance of radial force. In order to solve these problems, a new type of ribbed oil pump is proposed in this paper. On the basis of consulting a large number of relevant literature, this paper analyzes the application status of the gear pump, and points out the significance of the research of the rib-bar type oil pump, and the basic theory research of the rib-type oil pump is carried out. The paper has made a total of the following aspects: On the basis of studying the meshing law of the gear, the basic structure of the prismatic oil pump is determined by comprehensively analyzing the working principle of the external meshing gear pump. In order to make a better comparison with the common external gear pump, the structure advantage of the prismatic oil pump is better explained. The structure of the rotor and the cavity is designed in combination with the basic dimensions of the KCB-83.3 gear pump. In this paper, the three-dimensional solid diagram of the prismatic oil pump is established by using the three-dimensional modeling software CATIA, and the simulation and assembly and motion simulation are simulated, and the position of the oil inlet and outlet of the ribbed oil pump designed in this paper is reasonable and the interference line does not occur in the working process of the rotor. in ord to capture that change of the internal flow field of the fin type oil pump, the flow field dynamic simulation of the fin type oil pump is carried out in this paper The dynamic grid technology of CFD Fluent software is used to select the appropriate calculation model and calculation method, and the oil inlet process and the oil discharge process are analyzed, and the pressure and velocity fields at different operating positions of the rotor are obtained. In that pap, the clearance between the rotor of the prismatic oil pump and the inner wall of the cavity, the center distance of the rotor and the flow rate and the flow rate of the rotating speed on the outlet are analyzed. The results show that the flow of the edge-rod type oil pump is linear with the rotation speed of the rotor and the inner wall of the cavity, and the clearance between the rotor and the inner wall of the cavity and the distance between the rotor center and the rotor are within a certain range. Smaller, once more than this can result in a flow In the end, the finite element analysis of the rotor and the synchronous gear of the prismatic oil pump is carried out by using the ANSYS Workbench software, and it is concluded that the rotor and the synchronous gear should be under the limit working condition.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：TH38

【參考文獻(xiàn)】

相關(guān)期刊論文 前5條

1 俞云飛;液壓泵的發(fā)展展望[J];液壓氣動(dòng)與密封;2002年01期

2 周德軍;;雙重卸荷槽——消除齒輪泵困油壓力新方法的研究[J];液壓氣動(dòng)與密封;2006年06期

3 丁萬榮,趙華棉;齒輪泵壽命初探[J];液壓與氣動(dòng);1996年02期

4 羅驥,袁子榮,吳盛林;水液壓內(nèi)嚙合齒輪泵的設(shè)計(jì)與研究[J];中國機(jī)械工程;2003年11期

5 宋愛平;周驥平;吳偉偉;高尚;;弧齒齒輪泵瞬間流量及其脈動(dòng)特性研究[J];中國機(jī)械工程;2009年19期

相關(guān)碩士學(xué)位論文 前8條

1 鐘儒敏;棱桿式壓縮機(jī)結(jié)構(gòu)設(shè)計(jì)及動(dòng)態(tài)流場(chǎng)仿真[D];哈爾濱工業(yè)大學(xué);2010年

2 殷金祥;低脈動(dòng)齒輪泵的機(jī)理分析與優(yōu)化設(shè)計(jì)[D];揚(yáng)州大學(xué);2002年

3 陳英;外嚙合齒輪泵的間隙優(yōu)化及振動(dòng)和噪聲的研究[D];吉林大學(xué);2004年

4 張煒;內(nèi)嚙合擺線轉(zhuǎn)子齒輪泵的優(yōu)化設(shè)計(jì)及加工工藝分析[D];福州大學(xué);2006年

5 聶一彪;大排量齒輪泵的結(jié)構(gòu)及性能優(yōu)化研究[D];廣東工業(yè)大學(xué);2007年

6 吳武彬;Logix多齒輪泵靜態(tài)特性的研究及應(yīng)用[D];廣東工業(yè)大學(xué);2008年

7 袁俊超;水壓外嚙合齒輪泵的設(shè)計(jì)與試驗(yàn)研究[D];哈爾濱工業(yè)大學(xué);2007年

8 徐華俊;同步齒輪泵的理論研究[D];安徽理工大學(xué);2008年

，

本文編號(hào)：2511771