臺灣博碩士論文加值系統

自行車內變速器具有體積小，換檔動作穩定與不易受外界環境影響等優點，故成為世界上各車廠開發之重點。我國在內變速器的相關理論極為缺乏，本研究之目的乃發展自行車內變速器的設計理論。本研究首先擬針對現有的七至九速內變速器進行功能分析，以歸納多速內變速器的性能需求，做為內變速器設計之依據，並提出一系統化的設計程序，接著建立內變速器的行星齒輪目錄並進行多速內變速器的運動設計；其次針對調速機構進行設計，並提出調速機構之設計理論；然後以內變速器之傳動性能與操控性能進行內變速器之性能分析與優選，最後將可行之內變速器構想繪製成參考圖冊。

The purpose of this project is to develop the design theory of multi-speed bicycle drive hubs. First, Characteristic of Multi-speed hub will be concluded by function analysis. Next, a systematic procedure will be presented for the design of bicycle drive hubs. Then, the kinetmatic design of multi-speed drive hubs will be proposed to the development of a complete atlas of multi-speed drive hubs. Finally, the basic theory for transmission and operating performance analysis of multi-speed drive hubs will be developed to determine the optimum mechanism. The result of this project will be of benefit to the development and design of multi-speed bicycle drive hubs.

致 謝I
摘 要II
英 文 摘 要III
目 錄IV
圖目錄VI
表目錄VIII
第一章 前言1
1-1 文獻回顧1
1-2 研究目的5
第二章自行車變速器8
2-1 基本定義8
2-2 自行車變速器之分類10
2-3 自行車內變速器12
2.4 內變速機構與調速構件之干涉15
第三章 設計程序16
3-1 系統化設計程序16
3-2 自行車內變速器之需求21
第四章 變速機構之設計24
4-1 行星齒輪系目錄24
4-2 轉速比分析33
4-3 檔位設計40
4-4 齒數設計51
第五章 傳動性能分析55
5-1 運動分析55
5-2 力矩分析57
5-3 功率流分析63
5-4 傳動效率分析65
第六章 調速系統設計81
6-1 調速系統之功能解81
6-2 調速系統之配置93
第七章 內變速器之評估與優選108
7-1 內變速器之評估依據108
7-2 內變速器之評估與評估結果111
第八章 結論與建議116
參考文獻118

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