Design and fabrication of a remote controlled system for a hydraulic jack
ABSTRACT
A project work on design and fabrication of a remote controlled system for a hydraulic jack which consist of a base, gearing system and crank mechanism is presented. The prototype includes motor powered from a 12v battery of a tractor through a car adapter or from a lighter adapter in vehicles. The motor with gearing system will be the lifting mechanism.
When an equipment is needed to be lifted, just press the button on the remote device, firstly to lock the hydraulic jack valve, then pressing again will start the lifting operation and afterwards the button is released at a desired height level. The common problem faced by the current available hydraulic jacks in the market is that it is manually operated and needed physical effort to lift the vehicle or heavy equipment.
Hydraulic jacks available at the market also has some disadvantages such as requiring more energy to operate, are not suitable for women and cannot be used on an uneven surface.
INTRODUCTION
BACKGROUND
A hydraulic jack is a mechanical device used as a lifting device to lift heavy loads or apply great forces. A hydraulic mechanical jack employs the mechanism of a hydraulic power system in the lifting of heavy equipment (Brian, 2006). The most common form is a car jack, floor jack or garage jack which lifts vehicles or trucks so that maintenance can be performed. Hydraulic jacks are usually rated based on its maximum lifting capacity which could include: 1.5 tons, 3 tons, 20 tons or 30 tons (William, 2001). A remote controlled hydraulic jack is a type of jack designed to incorporate a d c motor control and link mechanisms having an infra-red transmitter and receiver circuits which processes and decodes the control signals for the upward and downward movement of the hydraulic jack (Oshevire, 2014). This works in such a way that it can be used to lift heavy duty trucks very smoothly without any impact force and also a simple operation so that even unskilled labour can use it with ease.
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