Automobile and Roll Cage Analysis

1650 Words Dec 23rd, 2012 7 Pages
Effi-cycle SAENIS 2012
Design Report

Team Name GREEN RHINOS
Team Number 48
College Name GOVERNMENT COLLEGE OF TECHNOLOGY
City COIMBATORE, TAMIL NADU

ABSTRACT Efficycle 2012 is a national level technical event, whose objective is to bring out the creative and innovative ideas of Engineering students. It aims out at creating a vehicle which is economical and eco-friendly. It also provides us a platform where we are applying the basic engineering skills we had learned. Our task is to design and build a three wheeled vehicle, powered by human and electrical means. The design should be commercially viable as a product and should be attractive to the consumers.
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 Roll cage analysis using ANSYS: Roll cagewas analyzed in the ANSYS software. Cage was analyzed at each and every stage and the extra members were provided in order to reduce the stress concentration. The roll cage is initially meshed and the nodes are found. Final design is tested at 2000N in case of front and side impact which is very sufficient to ensure safety. The cage also passed all other tests and had a good factor of safety. The stress diagrams are given below.

Analysis Results:
Type of Test Force applied Result
Front impact 2000 Passed
Side impact 2000. Passed
Roll over 2000 Passed

DRIVETRAIN:
The drive transmission is facilitated with the help of chains and sprockets. It is a rear wheel drive vehicle. The transmission is alternatively or simultaneously driven by motor or manual pedaling.
Manual drive type: The drive train plays a major key role in every vehicle. In our vehicle, we had used the pedaling system found in boats which is simply attached to the frame with the help of bearings on both sides. At the centre of the crank, a sprocket of 48 teeth had been fitted which is directly connected to the left freewheel, (where threading is done manually) of the rear tyre, providing a simple transmission system as found in ordinary cycles. Electrical drive type:
The simpler the electrical drive is, the simpler the manufacturing process goes on. A 0.5
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