22-06-2012, 01:48 PM
Fabrication of Reverse gear in two wheeler
ABSTRACT
At present, there is no system available to back the vehicle. At times when the front wheel gets into a trench it is very difficult to take the vehicle from parking. Even normal people face much problem to take the vehicle out of the parking at that time. Incase of the handicapped people who drive two wheelers with extra support wheels, face much problem to take the vehicle out of the parking by pushing the vehicle with legs as we do. In order to take the vehicle out of the parking they need to seek others help or they should push it out of the parking. As a help to them we have designed a gear box which will be fit to the vehicle without altering the existing gear box. The paper deals with the design of such a gear box and the assembly process of the gear box to the vehicle. The design deals with the conditions of the gear box operation, and the design of the gear box based on easy assembly and easy manufacturing at low cost.
INTRODUCTION
At present, there is no system available to back the vehicle. At times when the front
wheel gets into a trench it is very difficult to take the vehicle from parking. Even normal
people face much problem to take the vehicle out of the parking at that time. Incase of the
handicapped people who drive two wheelers with extra support wheels, face much problem to take the vehicle out of the parking by pushing the vehicle with legs as we do. In order to take the vehicle out of the parking they need to seek others help or they should push it out of the parking. As a help to them we have designed a gear box which will be fit to the vehicle. It is fitted to the side of the vehicle and helping in the backing of the vehicle. When the driver wants to move the vehicle backward what he needs is just to move the rod in the newly designed gear box in one direction and when the driver wants the vehicle to move in the forward direction, then the rod is to be moved to the earlier position. The change of direction of the vehicle is just by the movement of the gear rod. This project thus gives a detailed view of how an extra gearbox is fitted to the vehicle and how it is working and how useful in the backing of vehicles. As an additional benefit the vehicle can also be moved back and forth in heavy traffic. More over the power for this gear box is taken from the vehicle’s engine itself, so there is no need for any extra motor or engine. This gear box can be fitted to any vehicle with much ease.
ENGINE WORKING
There are two stroke namely upward stroke (suction and compression) and downward stroke (expansion and exhaust).
During upward stroke the piston moves from bottom dead centre to top dead centre.
The piston closes the exhaust port closes first and then exhaust port is closed
While this stroke the air fuel mixture is compressed in the combustion chamber and it is ignited with the help of the spark plug.
The lower edge of the piston opens the inlet port by allowing the fresh charge.
During downward stroke the piston moves from tdc to bdc.
While this stroke the inlet port is closed, the exhaust port is opened and transfer port opens which admits the fresh charge from the crank case.
The burnt gases are exhausted to the atmosphere through exhaust port.
ENGINE TERMINALS
Cylinder is a space in which the piston makes the reciprocating motion.
Piston is a cylindrical component fitted in the cylinder which transmits the reciprocating motion to the crankshaft.
Connecting rod is used to connect the piston and crank shaft to convert the reciprocating motion to rotary motion.
Crankshaft is the solid component which helps to transfer the power to the clutch.
Camshaft is used to control the opening and closing of the two valves.
Piston rings provides the tight seal between the piston and cylinder walls to prevent the leakages of the fuel.
CHAIN SPROCKET
This is a cycle chain sprocket. The chain sprocket is coupled with another generator shaft. The chain converts rotational power to pulling power, or pulling power to rotational power, by engaging with the sprocket.
The sprocket looks like a gear but differs in three important ways:
Sprockets have many engaging teeth; gears usually have only one or two.
The teeth of a gear touch and slip against each other; there is basically no slippage in a sprocket.
The shape of the teeth is different in gears and sprockets.
WORKING PRINCIPLE
A method of controlling a reverse gear change of an automobile, said automobile comprising an internal combustion engine; an automatic transmission connected to an output rotation shaft of said engine so as to transmit the rotational output of said engine to drive wheels of said automobile through any selected one of a plurality of gear ratios; a load device selectively connectable to said output rotation shaft of said engine via selectively-connecting means; and means for generating a gear change control signal for selecting one of said gear ratios of said automatic transmission in accordance with one of operational conditions of said automobile and said engine said method comprising the steps of controlling said selectively-connecting means when said gear change signal-generating means generates the control signal for reverse up the gear in said automatic transmission, in such a manner that said selectively-connecting means connects said load device to said output rotation shaft of said engine. Battery is giving the microcontroller unit. The proximity sensor is used to detect the wheel speed and this signal is given to the microcontroller unit. The 1st gear is done by manually press the button and the succeeding gears all are down automatically by the microcontroller unit.
ABSTRACT
At present, there is no system available to back the vehicle. At times when the front wheel gets into a trench it is very difficult to take the vehicle from parking. Even normal people face much problem to take the vehicle out of the parking at that time. Incase of the handicapped people who drive two wheelers with extra support wheels, face much problem to take the vehicle out of the parking by pushing the vehicle with legs as we do. In order to take the vehicle out of the parking they need to seek others help or they should push it out of the parking. As a help to them we have designed a gear box which will be fit to the vehicle without altering the existing gear box. The paper deals with the design of such a gear box and the assembly process of the gear box to the vehicle. The design deals with the conditions of the gear box operation, and the design of the gear box based on easy assembly and easy manufacturing at low cost.
INTRODUCTION
At present, there is no system available to back the vehicle. At times when the front
wheel gets into a trench it is very difficult to take the vehicle from parking. Even normal
people face much problem to take the vehicle out of the parking at that time. Incase of the
handicapped people who drive two wheelers with extra support wheels, face much problem to take the vehicle out of the parking by pushing the vehicle with legs as we do. In order to take the vehicle out of the parking they need to seek others help or they should push it out of the parking. As a help to them we have designed a gear box which will be fit to the vehicle. It is fitted to the side of the vehicle and helping in the backing of the vehicle. When the driver wants to move the vehicle backward what he needs is just to move the rod in the newly designed gear box in one direction and when the driver wants the vehicle to move in the forward direction, then the rod is to be moved to the earlier position. The change of direction of the vehicle is just by the movement of the gear rod. This project thus gives a detailed view of how an extra gearbox is fitted to the vehicle and how it is working and how useful in the backing of vehicles. As an additional benefit the vehicle can also be moved back and forth in heavy traffic. More over the power for this gear box is taken from the vehicle’s engine itself, so there is no need for any extra motor or engine. This gear box can be fitted to any vehicle with much ease.
ENGINE WORKING
There are two stroke namely upward stroke (suction and compression) and downward stroke (expansion and exhaust).
During upward stroke the piston moves from bottom dead centre to top dead centre.
The piston closes the exhaust port closes first and then exhaust port is closed
While this stroke the air fuel mixture is compressed in the combustion chamber and it is ignited with the help of the spark plug.
The lower edge of the piston opens the inlet port by allowing the fresh charge.
During downward stroke the piston moves from tdc to bdc.
While this stroke the inlet port is closed, the exhaust port is opened and transfer port opens which admits the fresh charge from the crank case.
The burnt gases are exhausted to the atmosphere through exhaust port.
ENGINE TERMINALS
Cylinder is a space in which the piston makes the reciprocating motion.
Piston is a cylindrical component fitted in the cylinder which transmits the reciprocating motion to the crankshaft.
Connecting rod is used to connect the piston and crank shaft to convert the reciprocating motion to rotary motion.
Crankshaft is the solid component which helps to transfer the power to the clutch.
Camshaft is used to control the opening and closing of the two valves.
Piston rings provides the tight seal between the piston and cylinder walls to prevent the leakages of the fuel.
CHAIN SPROCKET
This is a cycle chain sprocket. The chain sprocket is coupled with another generator shaft. The chain converts rotational power to pulling power, or pulling power to rotational power, by engaging with the sprocket.
The sprocket looks like a gear but differs in three important ways:
Sprockets have many engaging teeth; gears usually have only one or two.
The teeth of a gear touch and slip against each other; there is basically no slippage in a sprocket.
The shape of the teeth is different in gears and sprockets.
WORKING PRINCIPLE
A method of controlling a reverse gear change of an automobile, said automobile comprising an internal combustion engine; an automatic transmission connected to an output rotation shaft of said engine so as to transmit the rotational output of said engine to drive wheels of said automobile through any selected one of a plurality of gear ratios; a load device selectively connectable to said output rotation shaft of said engine via selectively-connecting means; and means for generating a gear change control signal for selecting one of said gear ratios of said automatic transmission in accordance with one of operational conditions of said automobile and said engine said method comprising the steps of controlling said selectively-connecting means when said gear change signal-generating means generates the control signal for reverse up the gear in said automatic transmission, in such a manner that said selectively-connecting means connects said load device to said output rotation shaft of said engine. Battery is giving the microcontroller unit. The proximity sensor is used to detect the wheel speed and this signal is given to the microcontroller unit. The 1st gear is done by manually press the button and the succeeding gears all are down automatically by the microcontroller unit.