Abstract
The main reducer is the main component of the whole vehicle, and its main function is to realize deceleration and torque increase. For Baha racing car, in order to improve the dynamic performance of the whole car, the main reducer is designed from the aspects of layout, transmission ratio distribution, shift mode, overall size and shell structure. Calculate the transmission ratio range of reducer according to the performance parameters of transmission parts, and verify the rationality of transmission ratio; Then determine the parameters of gear according to the transmission ratio and related parameters, and finally design the parameters of gear according to the transmission ratio and related parameters, and finally design the parameters of other parts of reducer. Based on the determined parameters, 3D modeling software UG is used to build 3D models of various parts of the reducer, and finite element analysis software ANSYS is used to simulate and analyze the parts to check whether the comprehensive mechanical properties meet the requirements. In this paper, the design of the main reducer realizes the comprehensive design of small size, light weight, reasonable transmission ratio distribution, high reliability, shifting gears during driving, and the comprehensive mechanical properties also meet the requirements.
Highlights
Baja SAE China, a competition for the design, manufacture and testing of off-road vehicles, is a brand-new process of technical education and engineering practice, which is organized by students of automobile and related majors in universities and vocational colleges[1]
Through data comparison, ANSYS software for transient dynamic analysis of the designed final drive, etc [2], the final drive is optimized from layout, transmission ratio distribution, shift mode, overall size, shell structure and other aspects, so as to design the final drive with better performance
When the main reducer is in low gear, according to the transmission ratio distribution formula (9)[2,5]
Summary
Baja SAE China, a competition for the design, manufacture and testing of off-road vehicles, is a brand-new process of technical education and engineering practice, which is organized by students of automobile and related majors in universities and vocational colleges[1]. Reducer is an important part of Baha off-road racing [2]. Through data comparison, ANSYS software for transient dynamic analysis of the designed final drive, etc [2], the final drive is optimized from layout, transmission ratio distribution, shift mode, overall size, shell structure and other aspects, so as to design the final drive with better performance. 1), and carries out optimization design on this basis Analyzes the designed reducer (as shown in fig. 1), and carries out optimization design on this basis
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