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博碩士論文 etd-0908110-100117 詳細資訊
Title page for etd-0908110-100117
論文名稱
Title
並排式車輛行星齒輪變速機構之設計
Design of Parellel-Connected Epicyclic Gear Mechanisms for Automobile Transmissions
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
174
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2010-08-24
繳交日期
Date of Submission
2010-09-08
關鍵字
Keywords
轉速分析、離合器配置、比例圖畫、行星齒輪機構、自動變速器
lever diagram, automatic transmissions, speed ratio analysis, epicyclic gear train mechanisms, arrangement of clutches
統計
Statistics
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中文摘要
行星齒輪式汽車自動變速器具有構造緻密、重量輕、高減速比之優點以及差速傳動的功用,目前被廣泛地應用於各型車輛之中。然而,行星齒輪式汽車變速器的設計較傳統之對軸式汽車變速器更加複雜,尤其是八速以上行星齒輪式汽車自動變速器,目前全世界量產的僅有二型。本研究利用比例數線圖的分解與再合成,發展一種並排式車輛行星齒輪變速機構之設計方法。首先給定轉速比建立對應之比例數線圖,列舉比例數線中所有不同之三點數線。其次剔除基本齒數比不合理之三點數線,列舉所有不同之三點數線組合,而得到可用行星齒輪機構。接著將可用行星齒輪機構簡化為離合器配置圖畫判斷並配置所需之離合器制動器後,將可配置之構型依離合器配置圖畫繪出機構簡圖。最後依機構簡圖將其實體化。相較於以往從行星齒輪機構合成之設計理論,本研究之設計方法以比例數線圖以基礎,免除圖集之可用構型判斷,而簡化並排式行星齒輪汽車自動變速機構之設計。
Abstract
There are many advantages of Epicyclic gear type automobile transmissions. It is composed more densely and weights lighter. It provides higher gear ratio and can transmit power differentially. Therefore, this type of transmissions are applied to almost every automobiles in recent years. However, the design process of an Epicyclic gear type automobile transmission is more complicated than Counter shaft type one. In the world, there are just two kinds of 8-speed Epicyclic gear type automobile transmission in production. This study introduced a design methodology of Parallel epicyclic gear type automobile transmission by decomposing and recomposing of Lever diagram. First we drew the Lever diagram from given rotation speed ratios. Next we listed all 3-point lever diagrams which are decomposed from the original Lever diagram, and deleted those with unreasonable value of K. Then we listed all combinations of 3-point lever diagram which composed the original Lever diagram, and we got all feasible epicyclic gear train mechanisms. After choosing feasible epicyclic gear train mechanism, we set up necessary clutches and breakes in clutch graphs. Finally, based on the clutch graph, we draw the schematic diagram of mechanisms, and embodies out results. Methodology of this study is better than old ones because our methodology based on Lever diagram did not need to find the usable mechanisms from the catalog of epicyclic gear train mechanisms. Thus, the new methodology simplifies the process of designing a epicyclic gear type automobile transmission.
目次 Table of Contents
摘要 I
Abstract II
目錄 III
圖目錄 VI
表目錄 XIII
第一章 前言 1
1-1 文獻回顧 1
1-2 研究動機與目的 4
1-3 論文架構 6
第二章 基本概念 9
2-1 行星齒輪式汽車自動變速器 9
2-1-1 簡介 9
2-1-2 作動原理 11
2-2 行星齒輪系 13
2-3 比例圖畫法運動分析 16
2-3-1 比例圖畫法及比例數線圖 16
2-3-2 應用比例圖畫法之自動變速器分析 20
2-4 設計原則 26
2-5 結語 28
第三章 設計程序 29
3-1 設計流程 29
3-2 比例數線圖與分解 42
3-3 離合器與制動器之配置 44
3-4 齒數設計 47
3-5 結語 48
第四章 四速自動變速器 49
4-1 建立比例數線圖 49
4-2 列舉所有基本行星齒輪機構單元之組合 52
4-3 離合器與制動器配置 55
4-4 機構簡圖與實體化 59
4-4-1 決定齒數 59
4-4-2 繪製機構簡圖 60
4-4-3 繪製實體圖 63
4-5 結語 67
第五章 六速自動變速器之設計 73
5-1 建立比例數線圖 73
5-2 比例數線之分解與重組 78
5-3 離合器與制動器配置 85
5-3-1 可配置性判斷 85
5-3-2 離合器制動器配置 95
5-4 機構簡圖與實體化 98
5-4-1 決定齒數 98
5-4-2 繪製機構簡圖 99
5-4-3 繪製實體圖 102
5-5 第III及第IV型六速汽車自動變速器 106
5-6 六速汽車變速器圖集 119
5-7 結語 121
第六章 結論與建議 151
參考文獻 153
參考文獻 References
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