| Summary: | 碩士 === 國立臺北科技大學 === 精密機構設計產業研發碩士專班 === 95 === Bikes, a kind of simple mechanic vehicle that does not consume any fuel, are quite general and popular in the modern era and has been widely welcome in many countries for at least the following six reasons: (1) it is portable; (2) it does not bring pollution to our environment; (3) it does not cause traffic jam; (4) it saves energy and natural resources; (5) we do not have to spend any social resources to lay asphalt roads for it; (6) its low speed reduces the risk of serious accidents. Adapting to all possible circumstances under which it may be utilized, bikes can be divided into three types: tricycles, bicycles, and monocycles. Among these, because of the increasing demand of the user, synergy-bikes, foldable bikes, and bikes with different sizes adapted to different age groups are further developed. The content of this study is about the transformation between bicycles and tricycles, and between vertical bikes and horizontal bikes. We aim to design multifunctional bikes in a kinematics point of view. In this study, we make a comprehensive literature review and analysis about bikes. We find that most of the patents for bikes are about single-function bikes, and only few of them are about multifunctional bikes. However, almost these multifunctional bikes have deficits in assembling and dismantling. Therefore, we aim at developing a kind of multifunctional bike with one single mechanical transition. We consult the sizes of real bikes to build up the necessary concepts and the transformation of the bikes. Moreover, under the framework of mechanical analysis of kinematics, we analyze the kinematics of our bikes and with the help of Solid Work, we draw the three-dimensional exploded view and combination view, which are further analyzed with ANSYS.
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