Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model

Bicycles have been recognized for their advantages such as low environmental impact, health improvement, and maintenance of transportation function in times of disaster, and demand for bicycles is increasing as social conditions change. The pedaling of a conventional bicycle nowadays turns a crank t...

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Main Authors: Isamu NISHIDA, Tomoyuki NISHIKAWA, Kenji HARIMA, Yuusuke TOMITA
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2022-09-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/88/914/88_22-00208/_pdf/-char/en
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author Isamu NISHIDA
Tomoyuki NISHIKAWA
Kenji HARIMA
Yuusuke TOMITA
author_facet Isamu NISHIDA
Tomoyuki NISHIKAWA
Kenji HARIMA
Yuusuke TOMITA
author_sort Isamu NISHIDA
collection DOAJ
description Bicycles have been recognized for their advantages such as low environmental impact, health improvement, and maintenance of transportation function in times of disaster, and demand for bicycles is increasing as social conditions change. The pedaling of a conventional bicycle nowadays turns a crank to rotate the front gear, which is transmitted to the rear gear by a chain, and turns the rear axle to rotate the rear wheel. Since bicycles require human power to pedal, a structure that allows bicycles to be pedaled with a low load has been considered so that more people can easily use bicycles. This study developed a new bicycle power transmission system that enables bicycles to be pedaled with a low load without using gearbox or external power such as motor. In order to verify the effectiveness of the newly developed bicycle power transmission device, a prototype bicycle with the proposed device was fabricated and tested. Participants quantitatively evaluated the physical load with and without the device by pedaling the bicycle. The experimental results showed that the developed bicycle power transmission device can reduce the physical load.
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spelling doaj.art-6cbf5a4eae034c3fa6c0270732fdc4992022-12-22T03:39:13ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612022-09-018891422-0020822-0020810.1299/transjsme.22-00208transjsmeDevelopment of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal modelIsamu NISHIDA0Tomoyuki NISHIKAWA1Kenji HARIMA2Yuusuke TOMITA3Department of Mechanical Engineering, Graduate School of Engineering, Kobe UniversityExedy CorporationExedy CorporationExedy CorporationBicycles have been recognized for their advantages such as low environmental impact, health improvement, and maintenance of transportation function in times of disaster, and demand for bicycles is increasing as social conditions change. The pedaling of a conventional bicycle nowadays turns a crank to rotate the front gear, which is transmitted to the rear gear by a chain, and turns the rear axle to rotate the rear wheel. Since bicycles require human power to pedal, a structure that allows bicycles to be pedaled with a low load has been considered so that more people can easily use bicycles. This study developed a new bicycle power transmission system that enables bicycles to be pedaled with a low load without using gearbox or external power such as motor. In order to verify the effectiveness of the newly developed bicycle power transmission device, a prototype bicycle with the proposed device was fabricated and tested. Participants quantitatively evaluated the physical load with and without the device by pedaling the bicycle. The experimental results showed that the developed bicycle power transmission device can reduce the physical load.https://www.jstage.jst.go.jp/article/transjsme/88/914/88_22-00208/_pdf/-char/enbicycle power transmission devicemusculoskeletal modellower limb
spellingShingle Isamu NISHIDA
Tomoyuki NISHIKAWA
Kenji HARIMA
Yuusuke TOMITA
Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
Nihon Kikai Gakkai ronbunshu
bicycle power transmission device
musculoskeletal model
lower limb
title Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
title_full Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
title_fullStr Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
title_full_unstemmed Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
title_short Development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
title_sort development of a power transmission device for bicycles and verification of its effectiveness using musculoskeletal model
topic bicycle power transmission device
musculoskeletal model
lower limb
url https://www.jstage.jst.go.jp/article/transjsme/88/914/88_22-00208/_pdf/-char/en
work_keys_str_mv AT isamunishida developmentofapowertransmissiondeviceforbicyclesandverificationofitseffectivenessusingmusculoskeletalmodel
AT tomoyukinishikawa developmentofapowertransmissiondeviceforbicyclesandverificationofitseffectivenessusingmusculoskeletalmodel
AT kenjiharima developmentofapowertransmissiondeviceforbicyclesandverificationofitseffectivenessusingmusculoskeletalmodel
AT yuusuketomita developmentofapowertransmissiondeviceforbicyclesandverificationofitseffectivenessusingmusculoskeletalmodel