Date post: | 25-Jan-2017 |
Category: |
Design |
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ABY THANNIKAL JOSEPH
ABY THANNIKAL JOSEPH
B.E. MECHATRONICS ENGINEERING
Mail @ [email protected] @ +91 809 826 1593
Problem Statement To redesign a an existing wheel chair for a person to
perform easy locomotion and to reduce backpain.
Locomotion
Backpain
ABY THANNIKAL JOSEPH
Locomotion
Backpain
Better manueverability
Ergonomic design
ABY THANNIKAL JOSEPH
Our Design:
ABY THANNIKAL JOSEPH
Computer like seat
Disc brake
Height Adjustor
Brakes
Shock Absorber
Foot rest
Caster wheel
ABY THANNIKAL JOSEPH
FRONT VIEWSIDE VIEW
TOP VIEW
ABY THANNIKAL JOSEPH
Technical data:
Material : AISI 4130 (Stainless steel) Circular Cross Sectional Pipe Outer dia : 1” Thickness : 3mm
Length x Breadth x Height
124.8cm x 75.2cm x 94.0cm
Spring stiffness : 75,000N/mm2
Spring deflection : 9mm
Wheel Dia : 55cm
ABY THANNIKAL JOSEPH
Aesthetics:
‘Spine’ frame
The spine frame is based on the Concept that the wheelchair acts as a part to replace the missing body
Hence, the frame acts like an extension to human spine.
ABY THANNIKAL JOSEPH
Ergonomics & Features:
Rather than conventional fixed seats, computer chair like seat is used.
The user can ‘pushback’ the seat.
ABY THANNIKAL JOSEPH
Ergonomics & Features:
An Adjustable Inclination Setup is provided
This enables the user to sit upright while working on computer and incline when resting
ABY THANNIKAL JOSEPH
Ergonomics & Features:
A Shock Absorber is provided in the wheelchair
This helps to absorbs the shocks while on uneven terrains
ABY THANNIKAL JOSEPH
Ergonomics & Features:
An Adjustable Footrest is also provided.
ABY THANNIKAL JOSEPH
Features:
A Disc brake is also provided in the wheelchair
This helps to stop the wheelchair in emergency situations.
Manufacturability: Low cost parts
The frame can be fabricated by :
Pipe Cutting => Pipe Bending => Pipe Welding
Can be easily repaired in a bicycle shop
Easily replaceable wheels (Standard bicycle wheels)
ABY THANNIKAL JOSEPH
FIRST PRIZECAD Modeling Competition
TetusuroFest v2.0
Department of Mechatronics
Sri Krishna College of Engineering and Technology, Coimbatore
ABY THANNIKAL JOSEPH