【摘要】：盾構(gòu)機是集機、電、液、控于一體,專門用于開挖地下隧道工程的技術(shù)密集型重大工程裝備。大功率行星減速器作為盾構(gòu)機的關(guān)鍵部件之一,其性能好壞直接影響盾構(gòu)機的工作性能。用于盾構(gòu)機的減速裝置工作環(huán)境惡劣,要經(jīng)受重載荷和高沖擊,并且必須具備大功率、大扭矩輸出等功能。其設(shè)計制造加工要求高,世界上只有日本,德國等少數(shù)國家的企業(yè)能生產(chǎn),且成本很高。因此,研究盾構(gòu)機大功率齒輪傳動系統(tǒng),對提高我國盾構(gòu)機減速器的自主創(chuàng)新能力,促進城市化建設(shè)進程,具有重要意義。 本文闡述了盾構(gòu)機的工作原理,分析了盾構(gòu)機及其減速裝置國內(nèi)外的發(fā)展和現(xiàn)狀。在高度總結(jié)概括盾構(gòu)機變速裝置工作要求的基礎(chǔ)上,設(shè)計出一種新型的盾構(gòu)機雙驅(qū)動大功率行星齒輪減速器。該減速器由一個差動機構(gòu)和一個兩級封閉機構(gòu)復(fù)合而成的多流傳動系統(tǒng),具有傳動比大、承載能力強等優(yōu)點,并且能以一個減速器取代傳統(tǒng)系統(tǒng)中的多套變速裝置。主要研究內(nèi)容如下: 根據(jù)機械原理及齒輪嚙合原理,采用行列式法建立了系統(tǒng)聯(lián)系圖,推導(dǎo)了減速器的運動學(xué)方程;分析了雙驅(qū)動減速器的傳動特性,得到了傳動比、內(nèi)部轉(zhuǎn)速及內(nèi)部扭矩的關(guān)系和變化規(guī)律。 應(yīng)用功率鍵合圖理論及機械系統(tǒng)動力學(xué)原理,建立了差動機構(gòu)、封閉機構(gòu)及整體的鍵合圖動力學(xué)模型,推導(dǎo)了減速器的狀態(tài)方程,模擬仿真了減速器的動態(tài)特性。分析了不同輸入條件下系統(tǒng)的內(nèi)部各變量的變化規(guī)律及影響因素。根據(jù)齒輪嚙合原理,應(yīng)用3-D的設(shè)計方法,建立了盾構(gòu)機雙驅(qū)動行星減速器各零部件的三維實體模型,按照各構(gòu)件的實際連接關(guān)系,并進行了虛擬裝配。 設(shè)計虛擬實驗,建立了減速器的運行機構(gòu),進行運動學(xué)仿真,驗證了傳動比的正確性,直觀的反映了各構(gòu)件的運動狀況;運用有限元分析方法,從結(jié)構(gòu)靜力學(xué)、非線性接觸以及模態(tài)等三個方面,驗證了盾構(gòu)機雙驅(qū)動行星減速器的結(jié)構(gòu)合理性,并為進一步的研究奠定了基礎(chǔ)。
[Abstract]:Shield machine is a technology-intensive major engineering equipment which integrates machine, electricity, liquid and control, which is specially used for underground tunnel excavation. As one of the key components of shield machine, the performance of high power planet reducer directly affects the working performance of shield machine. The deceleration device used in shield machine has bad working environment, must withstand heavy load and high impact, and must have the functions of high power and high torque output. Its design, manufacturing and processing requirements are high, only Japan, Germany and other countries in the world can produce, and the cost is very high. Therefore, it is of great significance to study the high power gear transmission system of shield machine in order to improve the independent innovation ability of shield machine reducer and promote the process of urbanization construction in our country. In this paper, the working principle of shield machine is described, and the development and present situation of shield machine and its deceleration device at home and abroad are analyzed. On the basis of summarizing the working requirements of shield machine variable speed device, a new type of double drive high power planet gear reducer for shield machine is designed. The reducer is composed of a differential mechanism and a two-stage closed mechanism, which has the advantages of large transmission ratio and strong bearing capacity, and can replace multiple sets of variable speed devices in the traditional system with a reducer. The main research contents are as follows: according to the mechanical principle and gear meshing principle, the system contact diagram is established by determinant method, and the kinematic equation of reducer is deduced. The transmission characteristics of double drive reducer are analyzed, and the relationship and variation law of transmission ratio, internal speed and internal torque are obtained. Based on the theory of power bond graph and the principle of mechanical system dynamics, the dynamic models of differential mechanism, closed mechanism and the whole bond graph are established, the equation of state of the reducer is derived, and the dynamic characteristics of the reducer are simulated. The variation law and influencing factors of the internal variables of the system under different input conditions are analyzed. According to the principle of gear meshing, the three-dimensional solid model of each component of double drive planet reducer of shield machine is established by using the design method of 3 D. According to the actual connection relationship of each component, the virtual assembly is carried out. The virtual experiment is designed, the running mechanism of the reducer is established, the kinematic simulation is carried out, the correctness of the transmission ratio is verified, and the motion condition of each component is reflected intuitively. By using the finite element analysis method, the structural rationality of the double drive planet reducer of shield machine is verified from three aspects of structural statics, nonlinear contact and mode, which lays a foundation for further research.
【學(xué)位授予單位】：重慶大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：U455.39;TH132.46

【引證文獻】

相關(guān)碩士學(xué)位論文 前5條

1 趙宇恒;伺服驅(qū)動減速器強度剛度及動態(tài)性能研究[D];大連交通大學(xué);2017年

2 張碩;采煤機截割部機電短程傳動系統(tǒng)耦合輪系均載特性研究及控制[D];重慶大學(xué);2017年

3 賀子奇;海上作業(yè)絞車式主動升沉補償系統(tǒng)設(shè)計與仿真[D];大連理工大學(xué);2015年

4 臧含書;臥式加工中心進給系統(tǒng)動態(tài)特性分析及優(yōu)化[D];大連理工大學(xué);2014年

5 陳偉;一種新型無鏈供彈系統(tǒng)的動態(tài)性能分析[D];南京理工大學(xué);2014年

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本文編號：2485878