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Fall 2004 GALE Design Project . Advisor: Dr. Sundar Krishnamurty Team Members: Sean Pringle Tim Smith Brian Swearengin. Introduction. Project Goal: Design a wheelchair lift and storage device for the John Deere Gator to make it handicap accessible and functional. Prototype Criteria:

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fall 2004 gale design project

Fall 2004 GALE Design Project

Advisor: Dr. Sundar Krishnamurty

Team Members:

Sean Pringle

Tim Smith

Brian Swearengin

introduction
Introduction
  • Project Goal:
    • Design a wheelchair lift and storage device for the John Deere Gator to make it handicap accessible and functional.
  • Prototype Criteria:
    • Modular, low cost (<$500), safe, effective, and maximize bed utility and functionality.
assumptions
Assumptions
  • Maximum wheelchair weight is approximately 50 lbs
  • User has use of both arms and hands
  • Used on John Deere 6x4 Gator
  • User will not have the wheelchair stored when tipping bed.
  • Folding wheelchair is used.
  • User can reach 1.5 feet behind on the driver side of the gator.
overview of design
Overview of Design
  • Clamp
  • Lower Swing Arm
  • Hinge
  • Mounting Frame
  • Actuator
  • Slider Frame
geometry calculations
Geometry Calculations

Lower Swing Arm

geometry calculations6
Geometry Calculations

Actuator Placement

possible improvements and add ons
Possible Improvements and Add-ons
  • Level with bed rails
  • Reduce power requirements and motor placement
  • Assistive Springs / Shocks
  • Implement limit switches
  • Multi-use Functionalities
  • Automation controls
resources
Implemented

ProE

ProMechanica

Engineer Equations Solver (EES)

ANSYS

Would have liked to implement

ProMotion

Windchill

Groove

Resources
conclusion
Conclusion
  • Design met all criteria therefore is a success
    • Prototype works
    • Improvement over previous semester’s design
    • Design is universal
    • Low cost (Prototype <$500)
    • Maximizes bed space
acknowledgements
Acknowledgements
  • UMass Amherst
    • MechE Metal Shop
      • Miles Eastman, Rick Winn, Rick Mascenowski
    • Prof. Krishnamurty, Prof. Rinderle
  • GaTech: Tord Dennis, Bobby Henebry
  • PTC: Melissa Botto
  • John Deere: Tom Hill, EJ Smith