DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR

NITISH KUMAR JANMEJAY JAISWAL

Solid Model of climbing wheelchair

Working of Mechanism

Design of Slider

Parts of Slider

Strip 1 : Lower part of slider Strip 2 : Cage for steel ballsSteel BallsSpacer

Strip 1Strip 2

Fabrication of slider

• Using Height gage, marking on strip is done • Hole is made at marked points as per design• Spacer are made from Nylon rod• CSK bolt are used

Experiment

Using sine table and slip gauges, µ is measured using

=arcsine ()Aluminium pair- 0.284 Slider-Aluminium pair-0.2

Solid model of mechanism

Conclusion

• Slider will not be able to support very high weight.

• We can use another material.• We can also improve design of slider using I

shaped slider.

Thank You