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INTRO. MANUALLY ADJUSTABLE STILTS “Easy Lifts”. INTRODUCTION. PROBLEM. IDEAS. DESIGN. ANALYSIS. BUDGET. SCHEDULE. CONCLUSION. INTRO. GROUP MEMBERS Trent Hilliard Ian Juurlink Brad Poirier Mitchell Weir SUPERVISOR Dr. Marek Kujath. INTRODUCTION. PROBLEM. IDEAS. DESIGN.
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INTRO • MANUALLY • ADJUSTABLE • STILTS • “Easy Lifts” INTRODUCTION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • GROUP MEMBERS • Trent Hilliard • Ian Juurlink • Brad Poirier • Mitchell Weir • SUPERVISOR • Dr. MarekKujath INTRODUCTION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION 2
INTRO PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • CURRENT STILTS: • Used for tasks requiring small rises in elevation • Difficulties: • Getting on stilts • Picking up objects • Adjusting PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • LIFTING DEVICE • Power screw IDEAS PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION • http://forums.vwvortex.com
INTRO • LIFTING DEVICE • 2. One leg-lift IDEAS PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • LIFTING DEVICE • 3. Hydraulic Scissor Lift IDEAS PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION www.autoliftuk.com
INTRO • LOCKING DEVICE • Rotary Ratchet IDEAS PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION • www.wikipedia.org • www.istockphoto.com
LIFTING DEVICE: SCISSOR LIFT INTRO DESIGN PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
LIFTING DEVICE: SCISSOR LIFT INTRO DESIGN PROBLEM • 1. Member Design • 2. Member • Confinement • 3. Assembly • Materials • Aluminum • Bushings • Snap Rings IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
LIFTING DEVICE: SCISSOR LIFT INTRO DESIGN PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
LOCKING MECHANISM: INTRO DESIGN PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
LIFTING DEVICE: SCISSOR LIFT INTRO DESIGN PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • LINEAR DAMPER: • Gas Spring • Provides upward force • SAFETY feature DESIGN PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
FORCE DETERMINATION: INTRO ANALYSIS PROBLEM IDEAS W = Force Applied L = Length of Beam D = Location of Center of Gravity DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
Stress Analysis: INTRO ANALYSIS PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO BUDGET PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • CRITICAL SCHEDULE ITEMS • Jan/14/10: • Final Drawing Submission • Feb/01/10: • All material obtained • March/01/2010: • Fabrication and assembly SCHEDULE PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • CRITICAL SCHEDULE ITEMS • March/22/10: • Testing • April/08/10: • Final report submission • April/10/10: • Final presentation SCHEDULE PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
WHAT’S LEFT? • Fine details on locking mech. • Finalize the damper force INTRO CONCLUSION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
QUESTIONS? INTRO CONCLUSION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • WALKING WEIGHTS: • Current Stilts weight: 15.5 lbs. • Competitor stilts: 14-17 lbs • Miner’s work boots: 7 lbs • Target stilt weight: <20 lbs CONCLUSION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO CONCLUSION PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION