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Improved Design and Analysis of New Overloaded Steering Engine for Locomotive Bogie

Author: XuChang
Tutor: XiongHeGen
School: Wuhan University of Science and Technology
Course: Mechanical Design and Theory
Keywords: Steering engine Bogie Critical structure FE Optimization
CLC: U260.331
Type: Master's thesis
Year: 2011
Downloads: 51
Quote: 0
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Abstract


With the rapid development of economy, the infrastructure constructions of railway are growing day by day .The completion of high-speed railway such as from beijng to shanghai and wuhan to guangzhou make great contribution to the development of our economy. In recent years. EMU, a new type high-speed train has been developing with more rapidly speed than ever before. In 22/Dec/2007 the first domestic products CRH2-300 was completed in CSR Corporation Limited.So,China become the forth country which can independent research high-speed train with 300km/h beside Japan, France and German in the world. As the core compartment of locomotive, bogie is the important guaranty that can make locomotive move with high-speed. Consequently, prompt and accurate detection for bogie is critical sections for locomotive move safely and efficiently. Steering engine is necessary assistant maintenance equipment for locomotive depot and used to reverse bogie direction freely in locomotive depot or manufacturing shop on different railway.Based on requirement of bidding documents of wuhan locomotive maintenance base, design and analysis of new overloaded Steering engine for Locomotive Bogie is discussed in this paper. The main research works and achievements as follow:(1) Three schemes are projected based on requirement of bidding documents and experience and then make comparison between everyone to decide the finial scheme. After that, selecting every part of bogie by calculation and then finish the whole work of bogie design.(2) With three-dimensional modeling and virtual assembly technology of solidworks, New overloaded Steering engine for Locomotive bogie was modeled which based on the parameters designed, and conducted a virtual assembly, thereby establishing the three-dimensional solid assembly model for the bogie that on the cement mixer. Then, we simplified the critical parts that will be analyzed and make preparation for the following steps.(3) Based on FE soft ansys , the relative theory analysis has been done. Using ansys soft, we built static mechanics model and made virtual research for critical parts based on real condition. By making comparison between theory and virtual research , we find they has some residual, but they can be accepted and strength of the critical parts also can satisfy requirements to some extends.(4)Based on analysis above, we did optimization by Pro/MECHANICA and ANSYS for box beam device. At last ,the cross section reduce about 27% with the satisfaction of stiffness and strength. Then, we achieved the purpose of optimization.

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CLC: > Transportation > Rail transport > Locomotive works > General issues > Locomotive constructed > Traveling part > Bogie
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