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Hoist is very important material handling equipment in industry because of safety, fast speed, reliability etc. Many operators and owners of hoists and cranes fear the possible catastrophic damage that can occur if the driving motor of a unit fails for any reason. This may result in a loss of life, as well as damage to products or property. Important production time is also lost due to hoist downtime. As a result, in the event that the motor fails, a safety mechanism is needed to prevent the above-mentioned damages. One alternative is to use a planetary gear drive to combine the power of two motors of equal rating. Prototype of dual motor hoist mechanism is developed with optimal load lifting capacity, optimal factor of safety. 3-D modeling of set-up is done using Unigraphics Nx-8.0 and CAE of critical components and meshing done using ANSYS Work-bench 14.5. Comparing the theoretical and analytical results we concluded that the mechanism is safe and spur gear configuration is used for regular lifting applications and the planetary system is used for back up.
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