發(fā)布時(shí)間：2018-01-04 15:41

  本文關(guān)鍵詞：TI蝸桿傳動(dòng)機(jī)構(gòu)虛擬樣機(jī)的設(shè)計(jì)與結(jié)構(gòu)模態(tài)分析　出處：《合肥工業(yè)大學(xué)》2013年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： TI蝸桿 漸開(kāi)線斜齒輪 三維建模 ADAMS 虛擬樣機(jī) 模態(tài)分析

【摘要】：漸開(kāi)面一次包絡(luò)環(huán)面蝸桿傳動(dòng)簡(jiǎn)稱(chēng)一次包絡(luò)TI蝸桿傳動(dòng),是由漸開(kāi)線斜齒圓柱齒輪及其包絡(luò)的環(huán)面蝸桿組成。TI蝸桿傳動(dòng)具有傳動(dòng)效率高、承載能力大等特點(diǎn),是一種很有前景的傳動(dòng)形式。本文主要是圍繞TI蝸桿傳動(dòng)機(jī)構(gòu),對(duì)其一次包絡(luò)嚙合理論、精確的三維模型、動(dòng)力學(xué)仿真分析及結(jié)構(gòu)的模態(tài)分析進(jìn)行了研究。主要的研究?jī)?nèi)容如下： 首先,根據(jù)齒輪嚙合理論,推導(dǎo)TI蝸桿的齒面方程,建立了TI蝸桿傳動(dòng)的數(shù)學(xué)模型。 其次,由于TI蝸桿齒廓曲面的復(fù)雜性,傳統(tǒng)軟件對(duì)其進(jìn)行直接的精確建模有很大的難度,所以本文在總結(jié)前人的基礎(chǔ)上,提出了一種基于UG的TI蝸桿建模方法。運(yùn)用UG/Open GRIP語(yǔ)言和UG中各種布爾操作命令相結(jié)合的方法精確的建立了TI蝸桿和漸開(kāi)線斜齒輪的實(shí)體模型并完成了TI蝸桿傳動(dòng)機(jī)構(gòu)的裝配模型。這種建模方法避免了多種軟件交叉使用而帶來(lái)的軟件接口問(wèn)題,且在建模過(guò)程中最大限度的實(shí)現(xiàn)了參數(shù)化設(shè)計(jì),極大地方便了模型的修改。 再次,在ADAMS中建立TI蝸桿傳動(dòng)機(jī)構(gòu)的虛擬樣機(jī)模型并進(jìn)行動(dòng)力學(xué)仿真分析,通過(guò)輸入主動(dòng)件蝸桿的運(yùn)動(dòng)規(guī)律,得到了從動(dòng)件斜齒輪軸轉(zhuǎn)速以及蝸桿蝸輪嚙合力的變化規(guī)律。利用虛擬樣機(jī)技術(shù),能夠盡早的發(fā)現(xiàn)模型中存在的問(wèn)題,并為物理樣機(jī)的制造提供一定的依據(jù),可以縮短產(chǎn)品研發(fā)周期,降低研發(fā)成本。 最后,根據(jù)振動(dòng)理論,在ANSYS經(jīng)典環(huán)境中分別對(duì)TI蝸桿和漸開(kāi)線斜齒輪進(jìn)行了結(jié)構(gòu)模態(tài)分析。計(jì)算模態(tài)獲得的動(dòng)態(tài)特性參數(shù),可以為系統(tǒng)的故障診斷提供可靠的依據(jù),同時(shí)也可為系統(tǒng)的動(dòng)態(tài)響應(yīng)計(jì)算和分析奠定基礎(chǔ)。
[Abstract]:Involute enveloping hourglass worm gearing as a enveloping TI worm gearing, is composed of a worm involute helical gear and its envelope composed of.TI worm drive with high transmission efficiency, big carrying capacity, is a kind of transmission form very promising. This paper is mainly about TI worm gearing, the the enveloping theory, accurate 3D model, modal analysis and structural dynamic simulation are studied. The main contents are as follows:
First of all, according to the theory of gear meshing, tooth surface equations of TI worm, established the mathematical model of TI worm drive.
Secondly, because of the complexity of TI worm tooth surface, the traditional software is very difficult to be accurately modeled directly, so this paper based on the previous studies, proposes a TI worm modeling method based on UG. Using the UG/Open GRIP language and UG in Boolean operation combined with a precise command the physical model of TI worm and helical involute gear and completed assembly model of TI worm gearing. This modeling method avoids the software cross caused by software interface problem, and in the modeling process to maximize the realization of the parametric design, which greatly facilitates the modification of the model.
Again, the establishment of a virtual prototype model of TI worm drive mechanism in ADAMS and dynamic simulation analysis, through the movement of the input active worm, obtains the variation law of follower bevel gear shaft speed and worm gear meshing force. By using virtual prototype technology, can be found as soon as the model problem, and manufacturing to provide a basis for physical prototype, can shorten the product development cycle, reduce development costs.
Finally, according to the theory of vibration, the classic ANSYS environment of TI worm and helical involute gear by modal analysis. The dynamic characteristic parameters of the modal calculation, can provide a reliable basis for fault diagnosis system, as well as the dynamic response of the system is calculated and analyzed to lay the foundation.

【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TH132.44

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本文編號(hào)：1379031