Design of Transmission System for Mini-Train
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 4
Abstract
The mini train rides are commonly seen rides in amusement parks. The study is based on a mini train operating at Vismaya amusement park, Kannur. During its operation, the mini train had frequent problems related to power transmission system and power consumption of the prime mover. So the design was modified many times. The main reasons for those problems were found out to be due to the faulty design of the wheel assembly and the presence of steep curves in the travelling path of mini train. These cause serious problems such as excessive wearing in wheels and track, over loading of prime mover and subsequent increase in power consumption. These problems can even effect the life of the prime mover and other mechanical parts of the mini train. For rectifying these problems, it is necessary to analyze the wheel assembly and track and then to design a new power transmission system which can improve the performance of the mini train. The first step is the force analysis and modeling of the wheel and track assembly. It is done in powerful analysis tool, SOLIDWORKS. By this analysis, I came to the conclusion that the design of the wheel assembly and track are safe in operating at the required load and speeds. The banking of the curve in the path and the maximum speed for mini train are also determined. Then the solution for the problems is to design a transmission system that is less affected by the curves and varying loads. While observing the operation of mini train, it is found that the power transmission system is through a single axle between the wheels. That transmits power equally to wheels on both sides. The speed of both wheels remains the same during the operation. This is found to be the primary problem. By considering the differential mechanism in the design, we can rectify those problems effectively so that the overall performance of the prime mover and mini train is improved. Also, the existing design uses a couple of belts for power transmission at each wheel that can be simplified to a single belt drive transmission. This makes the power transmission simpler and economical.
Authors and Affiliations
Sushin N, J. R. Vinodkumar
Keywords
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