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Novel Design Solutions for Fishing Reel Mechanisms

Chinese Journal of Mechanical Engineering 2015年第4期28卷 726-736页

作者： LOVASZ Erwin-Christian MODLER Karl-Heinz NEUMANN Rudolf GRUESCU Corina Mihaela perju dan CIUPE Valentin MANIU Inocentiu Department of Mechatronics University Politehnica Timisoara Institut für Festkrpermechanik Technische Universitt Dresden

Currently, there are various reels on the market regarding the type of mechanism, which achieves the winding and unwinding of the line. The designers have the purpose of obtaining a linear transmission function, by means of a simple and small-sized mechanism. However, the present solutions are not satisfactory because of large deviations from linearity of the transmission function and complexity of mechanical schema. A novel solution for the reel spool mechanism is proposed. Its kinematic schema and synthesis method are described. The kinematic schema of the chosen mechanism is based on a noncircular gear in series with a scotch-yoke mechanism. The yoke is driven by a stud fixed on the driving noncircular gear. The drawbacks of other models regarding the effects occurring at the ends of the spool are eliminated through achieving an appropriate transmission function of the spool. The linear function approximation with curved end-arches appropriately computed to ensure mathematical continuity is very good. The experimental results on the mechanism model validate the theoretical approach. The developed mechanism solution is recorded under a reel spool mechanism patent.

关键词： reel mechanism noncircular gears analysis synthesis transmission function

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Geared Linkages with Linear Displacement Actuator Used as Function Generating Mechanisms

Geared Linkages with Linear Displacement Actuator Used as Fu...

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第十一届IFTOMM世界大会

作者： Kari-Heinz Modler Christian Hollmann Erwin-Christian Lovasz dan perju Fakultt Maschinenwesen Technische Universitt Dresden Dresden 01062Germany Fakultt Maschinenwesen Technische Universitt Dresden Dresden 01062Germany Facultatea de mecanica Universitatea "Politehnica" din Timisoara Timisoara 1900Romania Facultatea de mecanica Universitatea "Politehnica" din Timisoara Timisoara 1900Romania

＜正＞In the paper the type synthesis of the mechanisms with bars and gears is presented. For these useful structures the mathematical model in complex numbers is written. The obtained relationships are used both, for analysis and for synthesis of one type of these mechanisms. The kinetostatic calculus of the proposed type of mechanisms is also presented, as well as the optimization of reaction forces in the mechanism’s kinematic pairs. An example problem proves the proposed method.

关键词： Geared linkages Function generating mechanism

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