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Design and fabrication of a remote controlled system for a hydraulic jack
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. 

Keywords

fabrication, remote, hydraulic jack, load,

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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Nowadays in this country, the most available jacks are manually powered, we found out that these manual hydraulic jacks were very difficult to be used by our farmers especially the female ones because of the strength and energy needed to operate it making it to be time consuming; furthermore, in scenarios of these manual hydraulic jack malfunctioning and subsequently the collapse of the machine under maintenance could lead to musculoskeletal disorders, injuries of the neck, back and shoulder. Thus, to overcome this problem of drudgery, musculoskeletal disorders, injuries, increase timeliness and efficiency in the farm while changing tires and carrying out some other maintenance works beneath the tractor prompted the design of a remote controlled motorized hydraulic jack for tractors. 1.3 OBJECTIVES The purpose of this work is as follows: (i) To design a remote controlled system for a hydraulic jack , (ii) To fabricate a prototype of a remote controlled system for a hydraulic jack, (iii) To test for efficiency of the designed and fabricated remote controlled system for a hydraulic jack.

JUSTIFICATION

 This work tries to modify a hydraulic jack by incorporating a prime mover and a remote control system all together in order to make load lifting easier and safer. In this design, the plunger is actuated through a connecting gear with the pinion gear when electrical power flows through the lighter receptacle connected to the motor, plugged to the automobile 12 V battery source to generate power for the prime mover (motor), which transmits its rotating speed to the pinion gear meshing with the bigger gear connected to the plunger lever to be oscillated with required speed reduction and increased torque to drive the hydraulic piston totally displacing manual handling of hydraulic jacks. 1.5 SCOPE OF STUDY

CIRCUIT DIAGRAM

Design and fabrication of a remote controlled system for a hydraulic jack

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