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The "Easy Lifts" project presents a novel design for adjustable stilts that aim to address common challenges faced with traditional stilts. Issues such as difficulty in getting on and off, adjusting height, and picking up objects are explored. Our design incorporates advanced lifting devices, including a hydraulic scissor lift and a rotary ratchet locking mechanism, enhancing user experience. Budget considerations and a detailed schedule for material acquisition, assembly, and testing are outlined. This project prioritizes safety and efficiency for tasks requiring elevation.
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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 • GETTING UP: PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • PICKING UP OBJECTS: PROBLEM PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE CONCLUSION
INTRO • GETTING DOWN: 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