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load on Bicycle frame During Cycling with Different Speeds and Gestures

Transactions of Tianjin University 2011年第4期17卷 270-274页

作者：项忠霞田冠许文关新于晓然 School of Mechanical Engineering Tianjin University Tianjin Product Quality Inspection Technology Research Institute

Experiment and dynamic simulation were combined to obtain the loads on bicycle frame. A dynamic model of body-bicycle system was built in ADAMS. Then the body gestures under different riding conditions were captured by a motion analysis system. Dynamic simulation was carried out after the data of body motions were input into the simulation system in ADAMS and a series of loads that the body applied on head tube, seat pillar and bottom bracket were obtained. The results show that the loads on flame and their distribution are apparently different under various riding conditions. Finally, finite element analysis was done in ANSYS, which showed that the stress and its distribution on frame were apparently different when the flame was loaded according to the bicycle testing standard and simulation respectively. An efficient way to obtain load on bicycle flame accurately was proposed, which is sig- nificant for the safety of cycling and will also be the basis for the bicycle design of digitalization, lightening and cus- tomization.

关键词： bicycle load of frame gesture capturing dynamic simulation

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