Design of Remotely Controlled Hydraulic Bottle Jack for Automobile Applications

Year 2019, Volume: 11 Issue: 1, 124 - 134, 31.01.2019

Aniekan Ikpe Aniekan Ikpe İkechukwu Owunna

https://doi.org/10.29137/umagd.440893

Cited By: 2

Abstract

Remotely
controlled hydraulic bottle jack was designed in this study to alleviate the
difficulties encountered during auto servicing that requires certain choice of
elevation. Major components of the hydraulic jack were housed in a metal casing
of 220mmx220mmx180mm with 2mm thickness. Curb
weight (weight of the car with all fluids and components but without the
driver, passengers, and cargo) of several cars ranging from 1086kg-1970kg were determined using a scale at nearby
automobile shop. Considering the weight of individual cars that the designed
hydraulic jack elevated, the time required to attain upward stroke of the
piston and specific height of elevation was recoded accordingly. The time
varied between 1.2 minutes with specific height of 150 mm and 1.44 minutes with
specific height of 112 mm. Half weight of 1970 kg (985 kg) was used as the load
case in Finite Element Analysis (FEA) to check the stress deformations,
displacement and equivalent strain. Maximum von-mises stress of 8.465x10⁶ N/mm^2 was obtained which is below the yield strength of the jack piston
material. Maximum displacement of 2.999x10^-1
mm and maximum equivalent strain of 3.56x10^-3. Factor of safety was
chosen on a scale of 1-10, and the colour chart in the analysis indicated blue
colour in the range of 7-10 throughout the jack assembly. This was an
indication that the jack is safe to operate under the aforementioned
applied load. Therefore, adoption of remotely
controlled hydraulic bottle jack can save time and energy required to elevate
vehicles to working height.

Keywords

Hydraulic jack, Automobile, Design, Remotely controlled, Electric motor

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