道路的整潔對於市容與市民的健康，甚至環境汙染源的控制有著重要的影響，因此長年以來道路清掃都是項不可或缺的工作。現有常見的清掃工具中主要以人力操作的手工具最為普遍。然而，由於現有手工具的操作方式使各個步驟需分開進行，不僅使清掃變得耗時耗力，人員也更易患骨骼肌肉疾病，並造成更多人力耗損，而因此影響了掃地效率。因此本研究旨在設計一台能將移動及所有掃地步驟同步的踩踏驅動掃地機械，由於踩踏是為最有效運用人力的方式，因此以踩踏的方式驅動此機械，並運用腳踏車傳動機構來更有效率將踩踏動力傳遞至掃地零件，並結合機械零件來驅動掃地零件使之能連續運轉，而為使移動與清掃能同步進行也參考了現有馬達驅動掃街車的設計。本研究亦實際製作出一台可邊移動邊清掃的踩踏驅動掃地機器，此機械主要由兩大系統組成-動力系統及掃地系統，動力系統主要用於產生並傳遞踩踏動力，而掃地系統則由可傳遞踩踏動力的傳動機構(齒輪箱)以及清掃地面所需之掃地零件所組成，另考量掃地機械的不同使用情境，將機械分為兩種操作模式-移動模式及掃地模式，並設計能切換不同模式之切換機構，另有一個能用以阻擋潮濕垃圾進入紙製濾塵筒的切換機構，以及為了能提高不同類型垃圾清掃效果所設計之可調整邊掃下陷度及傾斜度的機構。因此，在適合以人力清掃的場域中，人員可先運用此踩踏驅動掃地機械來完成大面積的清掃，其餘少數分布在障礙物周圍的垃圾才需運用手工具來清理，如此即可結合機械操作及人力操作的優點來降低人力的負擔並增加清掃的效率。而研究最後也實際運用此機械並將邊掃調整至不同的下陷度及傾斜度來清掃四種不同垃圾類型，以評估各種垃圾之清掃效果，並針對評估結果進行討論及提出改善建議。

Road cleanness has had a significant impact on the city, the public health and even the pollution control of the environment. Therefore, street sweeping has been an irreplaceable service for so many years and the manual sweeping tools are the most common sweeping tools. However, as the operation of existing manual sweeping tools makes each step of the sweeping process become dispersed, it not only makes the overall process time-consuming and labor-consuming, but the operators are prone to musculoskeletal diseases, resulting in the attrition of human power and the reduction of sweeping efficiency. Therefore, the purpose of this study is to design a pedal-powered sweeping machine with the synchronization of moving and sweeping, pedaling power is used for driving the machine as it the most efficient way of utilizing human power, and the transmission mechanism of bicycle is applied to efficiently transmit the pedaling power to the sweeping parts, and mechanical parts are used for driving the sweeping parts to continuously rotate, the "moving and sweeping" feature of the existing motor-driven street sweepers is also referred. And a prototype of the pedal-powered sweeping machine is made, it is mainly composed of two systems - power system and sweeping system, the power system is mainly used to transmit the pedaling power, and sweeping system is composed of a transmission mechanism (gearbox) and four sweeping parts. Besides, it is designed to be used in two operating modes- moving mode and sweeping mode, and a switching mechanism could be used for switching the operating modes, another switching mechanism is used for preventing any wet debris from the paper-made filter. And two adjusting mechanisms are used to change the penetration and tilt angle of channel brush for sweeping different types of debris. Therefore, this machine can be used to sweep large area of debris only the less remaining debris around obstacles is needed to be swept by manual tools. By combining the features of manual and mechanical operations, not only street sweeping becomes effortless, but sweeping efficiency could increase. Finally, sweeping effectiveness of this machine is also evaluated by adjusting the penetration and tilt angle of the channel brush to sweep four different types of debris, discussion about the evaluation and some suggestions are also proposed.

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