CONTENT ➤ Introduction ➤ Abstract ➤ Basic law of hydraulics ➤ I ts application ➤ Principle ➤ Working ➤ Advantage ➤ Conclusion
INTRODUCTION ➤ Frequent innovations relates to modified hydraulic system and more specifically to an automobile hydraulic jack system. ➤ Most of the vehicles are lifted by using modified hydraulic jack. This needs high man power and consumes a lot of time. ➤ Various types of jack or lift devices has been installed on for lifting the vehicle. ➤ Conventionally we have always used a separate jack for each of 4 wheels, in steed here we have the jacks permanently installed on the vehicle. ➤ It is an object of innovation to provide ideal jack system that can be operated by driver from inside the car. ➤ It is also an object of innovation to provide an ideal hydraulic system which is operated by cam mechanism which actuates modified hydraulic jack which will lift the vehicle.
ABSTRACT ➤ Transportation has now been increased in wide manner. ➤ In olden days people used wooden wheel vehicle for transportation. but nowadays disc wheels are used. those wheels are covered with tyres ➤ Our Indian road condition are not comfort to ride the vechiles.the tyres are met punchers at high rate ➤ In order to change tyres , they have to lift vehicles by manual jacks ➤ Nowadays, hydraulic jacks, pneumatic jacks etc are used ➤ In our project we had implementing a new concept of hydraulic jack which consist of pump, cylinder, handle, ram, self locking nut.
BASIC LAW OF HYDRAULICS ➤ Pascal's Law : The principle stating that external static pressure exerted on a confined fluid is distributed evenly throughout the fluid.
APPLICATIONS ➤ This device is powerfull and Lifting heavy loads. ➤ This device is used to lift heavy vehicles for repairing purposes. ➤ Motorised hydraulic jack on matallurgical equipment ➤ It is used on stage and orchestra platform
PRINCIPLE OF HYDRAULIICS ➤ The hydraulic lift works on the principle that the effort required to move something is the product of the force andthe distance the object is moved. ➤ By using an incompressible fluid to transmit the force, the hydraulic lift allows a small force applied over a large distance to have the same effect as a large force applied over a small distance. ➤ In this way, a small hand pump may be used to lift an automobile. ➤ In order to fill the large cylinder under the car with fluid, however, the small pump must be operated many, many times.
WORKING ➤ This machine has a hydraulic cylinder and piston assembly. Which works in a port type integrated hydraulic circuit. ➤ I this circuit there is no need for separate oil pump hydraulic houses, D.C valves, Pumps etc. ➤ These all those things are integrated with the hydraulic cylinder itself.
The modified hydraulic jack moves the platform upward, so that the vehicle lifts from ground. The vehicle is lifted by using the lifting platform at the top of the modified hydraulic jack. The battery is used to drive the d.c motor. The motor draws power supply from the battery. The d.c motor shaft is connected to threaded screw. The lifting and uplifting is done by changing the battery supply to the motor.
ADVANTAGES ➤ The maintenance of the vehicle will be very easy. ➤ The servicing of the vehicle will be easy and cheap. ➤ Reduces human effort at large extent. ➤ Time saving. ➤ Can be operated even when the vehicle is not in starting condition. ➤ As it is electrically powered, doesn't harm veh efficiency. ➤ It can operated from any corner of the world. ➤ This device runs on the command given by the operator
CONCLUSION ➤ A modified hydraulic jack is a device used to carry large loads with the application of small force. ➤ Here we are going to fabricate a hydraulic jack which is operated using a DC wiper motor which gets de supply from the battery of the vehicle without application of man force. ➤ Maintenance and service of the vehicle can be easily done by this project. With this project the usage of automobile can be made easy for women and old people. ➤ The inbuilt jack is operated by battery so it can also be used when the vehicle engine is not started. ➤ Arrangement is also very useful for heavy loading vehicles and a single person can go on a long drive.