本文選題：空間曲線嚙合輪　切入點(diǎn)：同平面多軸輸出　出處：《華南理工大學(xué)》2012年碩士論文

【摘要】：微小機(jī)械系統(tǒng)中，傳動(dòng)機(jī)構(gòu)通常以傳遞小功率為主，且體積小、質(zhì)量輕。為了滿足微小型或微型機(jī)電產(chǎn)品更加有效且經(jīng)濟(jì)地實(shí)現(xiàn)功能，微小型或微型傳動(dòng)機(jī)構(gòu)及減速器成為了機(jī)械領(lǐng)域重要的研究對(duì)象。 本課題組近年來一直在研究一種基于空間曲線嚙合理論的新型傳動(dòng)機(jī)構(gòu)，，即空間曲線嚙合輪。該機(jī)構(gòu)已具備了成熟完善的理論基礎(chǔ)，其制造技術(shù)工藝也取得了一定的成效。本文在分析國(guó)內(nèi)外微小減速器的優(yōu)缺點(diǎn)及結(jié)合空間曲線嚙合輪傳動(dòng)機(jī)構(gòu)的特點(diǎn)的基礎(chǔ)上，發(fā)明并設(shè)計(jì)了一種以空間曲線嚙合輪為傳動(dòng)機(jī)構(gòu)的同平面多軸輸出微小減速器。 首先，基于空間曲線嚙合輪機(jī)構(gòu)具有空間體積小、傳動(dòng)比大，能實(shí)現(xiàn)任意角度交叉軸之間的傳動(dòng)，創(chuàng)造性地提出并設(shè)計(jì)了同平面多軸輸出微小減速器串聯(lián)和并聯(lián)傳動(dòng)的兩種方案，即基于正多邊形軸分布微小減速器和并行多軸輸出微小減速器。 其次，修正了重合度和曲線方程參變量的計(jì)算式，給出了求取中心距的關(guān)系式，標(biāo)準(zhǔn)化了適用于同平面多軸輸出微小減速器的空間曲線嚙合輪幾何設(shè)計(jì)參數(shù)。在此基礎(chǔ)上，給出了基體正多邊形和嚙合半徑的定義和模型，建立了基于正多邊形軸分布微小減速器的幾何模型，推導(dǎo)出了求取該減速器幾何尺寸和零部件裝配尺寸的通用計(jì)算公式，并通過三維建模仿真驗(yàn)證了公式的合理性和可靠性。并行多軸輸出微小減速器為一級(jí)減速器，根據(jù)空間曲線嚙合輪傳動(dòng)機(jī)構(gòu)的設(shè)計(jì)參數(shù)即可得到。 最后，在給定的功率和轉(zhuǎn)速條件下，詳細(xì)系統(tǒng)地設(shè)計(jì)了一套基于正三邊形軸分布微小減速器，包括減速器運(yùn)動(dòng)和動(dòng)力參數(shù)的計(jì)算，傳動(dòng)機(jī)構(gòu)、軸和箱體的結(jié)構(gòu)設(shè)計(jì)。該微小減速器裝配正確，沒有干涉，且在三維仿真中能實(shí)現(xiàn)連續(xù)正確的嚙合傳動(dòng)。
[Abstract]:In the micro mechanical system, the transmission mechanism is usually small power transmission, small volume, light mass. In order to meet the micro or micro electromechanical products more effective and economical to achieve functions, Micro or micro transmission mechanism and reducer have become an important research object in the field of machinery. In recent years, our group has been studying a new type of transmission mechanism based on the theory of space curve meshing, that is, space curve meshing wheel. Based on the analysis of the advantages and disadvantages of the micro reducer at home and abroad and the characteristics of the space curve meshing wheel transmission mechanism, This paper presents and designs a kind of coplanar multi-axis output micro reducer with space curve meshing wheel as transmission mechanism. First of all, based on the space curve meshing wheel mechanism, the space volume is small, the transmission ratio is large, and the transmission between any angle cross shaft can be realized. Two schemes of series and parallel transmission of the same plane multi-axis output micro reducer are proposed and designed creatively, that is, the small reducer based on the regular polygonal axis distribution and the parallel multi-axis output micro reducer. Secondly, the calculation formula of coincidence degree and parameter variable of curve equation is modified, the relation formula of calculating center distance is given, and the geometric design parameters of space curve meshing wheel suitable for the same plane multi-axis output micro reducer are standardized. The definition and model of matrix regular polygon and meshing radius are given, the geometric model of micro reducer based on regular polygon axis distribution is established, and the general calculation formula for calculating the geometric dimension and assembly size of the reducer is derived. The rationality and reliability of the formula are verified by three-dimensional modeling and simulation. The parallel multi-axis output micro reducer is a first-grade reducer, which can be obtained according to the design parameters of the space curve meshing wheel transmission mechanism. Finally, under the given power and rotational speed conditions, a set of micro reducers based on the regular triangular shaft distribution is designed in detail, including the calculation of the reducer's motion and dynamic parameters, and the transmission mechanism. Structural design of shaft and box. The micro reducer is assembled correctly, without interference, and can realize continuous and correct meshing transmission in 3D simulation.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH132.46

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