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Optimization Design of Friction Wedge of New 70 Ton Currency Vehicle Framework

Author: ZhangHongYan
Tutor: ZhaoYongChengï¼›HuoShengGui
School: Dalian Jiaotong University
Course: Mechanical Engineering
Keywords: The performance of the anti- Ling Three-piece bogie Parameterized Optimal design
CLC: U272
Type: Master's thesis
Year: 2008
Downloads: 141
Quote: 1
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Abstract


Constant speed railway passenger , freight must also continue to speed to the passenger to compete , in order to adapt to the high-tech modern transport requirements . The truck speed of the key is to improve the structure of the bogie , while the bogie is a relatively complex structure , the improvement of its various parts have a certain impact on the speed . Wherein improve the performance of the Big Three formula bogie anti Ling ensure that the bogie anti Ling stiffness are maintained at the desired value , can improve the vibration performance of the bogie , to slow the wear of the wedge , in order to achieve the speed effect . This article through Zhuan K6 bogie of the main features , key technologies , the main structural and technical requirements analysis to identify the key factors to improve the performance of the three-piece bogie . Locomotive vehicles through CAD modeling bogie dimensional parameters establish the mechanical model and mechanical analysis provide a theoretical basis for the realization of the bogie optimization . (A) mechanical model genetically K6 bogie stress analysis to get the optimal damping force curves . ( B) the bogie vertical , lateral force analysis , draw anti- the Mitsubishi friction torque formula . (C) the friction wedge force analysis , draw the friction coefficient of Friction Wedge angle , elevation , slope coefficient of friction , the width of the wedges and represented sprung mass anti- Ling friction formula .

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CLC: > Transportation > Rail transport > Vehicle Engineering > Truck
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