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sir i want project report on gearless power transmisson

gearless transmission pdf

The Gearless transmission or El-bow mechanism is a device for transmitting motions at any fixed angle between the driving and driven shaft. The synthesis of this mechanism would reveal that it comprises of a number of pins would be between 3 to 8 the more the pins the smoother the operation. These pins slide inside hollow cylinders thus formatting a sliding pair.

Our mechanism has 3 such sliding pairs. These cylinders are placed in a Hollow pipe and are fastened at 120* to each other. This whole assembly is mounted on brackets wooden table. Power is supplied by an electric motor. The working of the mechanism is understood by the diagram. An unused form of transmission of power on shaft located at an angle. The featured product has its widest application as an extension for a socket wrench. This report includes working principle, machine design, cost estimation etc. Use this Mechanical report for your reference and study work only. A Gearless transmission mechanism includes a plurality of identical linkages, each having an off-center center of rotation, an input end and an output end. The linkages being connected to each other such that the input end of one linkage is connected to the output end of another linkage. When force is applied to the input end of one linkage an output force results in the output end of the other linkage, which is not connected thereby resulting in force reduction.

Claims
A gearless transmission system comprising: a first linkage, having a first off-centered center of rotation, an input end and an opposing output end; a second linkage having a second off-centered center of rotation, an input end and an opposing output end, said input end of said second linkage being connected to said output end of said first linkage; a third linkage having an input end and an output end, said third linkage mounted to said first off-centered center of rotation, said input end of said third linkage connected to said output end of said second linkage; a fourth linkage having an input end and an output end, said fourth linkage mounted to said second off-centered center of rotation, said input end of said fourth linkage connected to said output end of said third linkage; a fifth linkage having an input end and an output end, said fifth linkage mounted to said first off-centered center of rotation, said input end of said fifth linkage connected to said output end of said fourth linkage; and a sixth linkage having an input end and an output end, said sixth linkage mounted to said second off-centered center of rotation, said input end of said sixth linkage connected to said output end of said fifth linkage, wherein force applied to said input end of said first linkage generates an output force from the output end of the sixth linkage.

2. The gearless transmission system of claim 1, wherein said linkages are connected via slot pins.

3. The gearless transmission system of claim 1, wherein linkages can be added or removed to increase or decrease force reduction.

4. The gearless transmission system of claim 1, wherein rotating said first linkage upwards or downwards results in magnification or reduction of force and travel by said second, third, fourth, fifth and sixth linkages.

5. The gearless transmission system of claim 1, wherein all of said linkages are identical.

6. The gearless transmission system of claim 1, wherein said output force generated at said output end of said sixth linkage can be manipulated by the distance said first linkage is rotated.

7. The gearless transmission system of claim 1, wherein said output force is manipulated by increasing or decreasing the distance between the center of rotations of the linkages.

8. A gearless transmission system comprising: a first and second linkage, each having an off-center center of rotation, an input end and an opposing output end, the input end of said first linkage is connected to the output end of said second linkage, wherein a force is applied to said input end of said first linkage thereby generating force from said output end of said second linkage.

9. The gearless transmission system of claim 8, wherein said force is applied perpendicular to said input end.

10. The gearless transmission system of claim 8, wherein identical linkages can be added to or removed from said system.

11. The gearless transmission system of claim 8, wherein said first and second linkages are identical.

12. The system of claim 8, wherein the force from said input end is manipulated into a greater or smaller from said output end.

13. The system of claim 8, wherein said input and output locations are reversed, thereby magnifying force as travel distance is reduced.

14. The system of claim 8, wherein rotating said first linkage in an upward or downward direction results in a greater distance traveled by said second linkage.