1 Team INASAD Members: Jose Medina Joseph Leone Andrew Merk Alex Sanders Michael Fox.
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Transcript of 1 Team INASAD Members: Jose Medina Joseph Leone Andrew Merk Alex Sanders Michael Fox.
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1
Team INASAD
Members: Jose Medina Joseph
LeoneAndrew Merk Alex
SandersMichael Fox
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2
Past Events
Current Events Subsystem Conceptual
Designs Future Events
Agenda:
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3
Past EventsGroup members individually brainstormed
conceptual designs for subsystems 1-2 per subsystem
Group met and discussed the different subsystems 2 designs were selected for each subsystem
Jose and Michael were assigned to draw the different conceptual designs
Joe, Andrew, and A.J. began the patent search
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Bulb Clamping SubsystemPincher Clamping System
Consists of: Two “links” Hinge
Squeezed/opened by motor or pull cables
High-grip material inside of the links to provide friction during rotation
Advantages Disadvantages
Gripping action in normal direction.Minimal rotation of support rod.
Limited degrees of freedom.
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Bulb Clamping Subsystem Talon Clamping System
Consists of: 3 links
2 fixed links on bottom provide support
1 at the top moves to clamp bulb
Squeezes/opens with a motor or pull cables
The links are covered with a high-grip to provide friction during rotation
Advantages Disadvantages
One link at top to make insertion easier.Links covered with high-grip material to assist rotation.
Talons must act in unison.Operation might require tilt of the support base.
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Bulb Clamping SubsystemAlternative Options
Pinchers Wraps around the end of the bulb Cable used to lock the pinchers into appropriate diameters
Pincher Side of clamps are gears Pull cable attached that will close them and lock to
different sizes.
Scissor clamp Runs on a crank to tighten around the bulb
Ring Pressure sensitive point that adjusts to the size of the bulb
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Bulb Rotation Subsystem Pull Cable Rotating System
Consists of: Handlebar Pull cable Rotating wheel
Twisting handlebar provides torque to wheel
Wheel provides the necessary torque to rotate the Bulb Clamping Subsystem
Advantages Disadvantages
Quantity of torque controlled by operator depending on bulb requirements.Simplicity
High-maintenance
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Bulb Rotation Subsystem Gear and Motor Rotating System
Consists of: Electric motor Driving gear or pinion Reduction gear
Driving gear is fixed to the electric motor
Reduction gear reduce the angular speed and turns Bulb Clamping Subsystem
Advantages Disadvantages
Motor started/stopped by user commands.Robust.
Electronic controls required.Heavy.Complex.
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Bulb Rotation SubsystemAlternative Options
Hinge Bar System “Raising/lowering bar” connected to the clamping
system at an angle “Raising/lowering bar” can be pulled down to cause
the clamping system to rotate
Delrin gear Split and machined The sides of the split gear would be spur geared for
rotation
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Bulb Alignment SubsystemBulb Guiding System
Consists of: Tapered U shaped piece of
metal
Metal surrounds both the Bulb Turning and Rotating systems
The tapered shape “funnels” the socket in to the correct position
Advantages Disadvantages
Would not require any electricity to functionAllows a larger range of flexibility during initial positioning
Difficult to see the socketIf not aligned correctly could break the bulb
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Bulb Alignment SubsystemPeriscope Alignment System
Consists of: Set of two mirrors Hollow channel
Mirrors are positioned inside of a hollow channel
Mirrors create a periscope
View windows are positioned at the top and bottom of the channel
Advantages Disadvantages
Alignment is achieved without necessity of user to look up.Reduces strains on neck.
Bulky.Mirrors are fixed. Not many degrees of freedom.
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Bulb Alignment SubsystemAlternative Options
Laser Pointer Positioned below the gripper
Spring pin system Manually adjusts for big adjustments Fine tuning adjustments with small wheel
2 mirrors at top of product show the socket
Pulley system
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Bulb Collecting/Safety SubsystemCrescent Moon Collecting
System Consists of:
3 half cylinder shaped collecting/safety pans
Pan consists of three collinear parts Middle part is stationary End parts slide along middle section
for varying sized bulbs
Bulb could gently drop into the pan after removal
Advantages Disadvantages
Crescent moon shape would keep the bulb from sliding out the sides and capture shards if bulb is broken Plexiglas material would allow the operator the ability to see the bulb and socket through pan.
Only holds a couple of bulbs at a time.Broken bulbs could occur if multiple bulbs are placed in the pan at one time.
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Bulb Collecting/Safety Subsystem Bag Collecting System
Consists of; Transparent but rigid
plastic bag 4 support rods
Positioned under the Bulb Gripping and Turning devices
Several bulbs could be stored in bag at one time
Advantages Disadvantages
Bulb would be gently dropped into the bag after removalFull bags could be removed and thrown away with the bulbs in them
Bulbs could break if multiple bulbs are placed in one bagMultiple bulbs would increase the weight of the product
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Bulb Collecting/Safety SubsystemAlternative Options
Fine net to catch glass pieces Work like a strainer
Square Plexiglas box Adjustable length
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Horizontal Telescoping SubsystemPush Pin Sliding System
Consists of: Bulb Collecting Safety
Subsystem Spring loaded pins Strategically drilled
holes
Manually adjustable
Advantages Disadvantages
No electricity neededHoles predrilled for the different standard bulb lengths
Could not be adjusted for odd length bulbsOver time the spring could wear out and break
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Horizontal Telescoping Subsystem Rack and Pinion System
Consists of: Bulb Collecting Safety
Subsystem rack and pinion system crank
Pinion is attached to the stationary part of the system
Rack is attached to the mobile part of the system
Crank spins the pinion forcing the rack to slide back and forth
Advantages Disadvantages
Does not need electricityAllows for minor adjustments for odd sized light bulbs.
Over time the gear threads could wearOver time the pinion could break off and separate from the rack
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Horizontal Telescoping SubsystemAlternative Options
“Spinning Screw” Clamping System Lawn mower cut out locking device
Clamps slide along a bar Clamp with push pin or tightening screw
Drawer sliders
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Vertical Motion SubsystemPneumatic System
Consists of: Pneumatic cylinder Pneumatic extension
Extension lowers or raises according to needed height
Advantages Disadvantages
Little manual labor required to rise.Raises in large or small increments
Need substantial weight to lower it.Very long pneumatic cylinder.
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Vertical Motion SubsystemRack and Pinion Sliding
System Consists of:
Worm (or possibly bar) rack
Worm gear Crank.
Rotation of crank drives the worm gear which in turn drives the worm
Advantages Disadvantages
Robust.Excellent range of adjustable heights.
Requires manual labor to raise product
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Vertical Motion SubsystemAlternative Options
Attaching a pulley system to the light fixture
Hinge system Swings from side to side in a half circular motion
Adjustable spring loaded pin system
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Support Subsystem Harness Support System
Consists of: Harness Support rod securing device
Harness would be strapped to operators shoulders and waist
Product would slide into the securing device
Weight is distributed using leverage
Advantages Disadvantages
Allows extra mobilityAllows the changing of bulbs which have non-movable objects under themReduces the overall size for storage
If changing multiple bulbs the operators arm, shoulders, or back could get tiredWould require a low total weight of the product
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Support Subsystem Tripod Support System
Consists of: Tripod Wheels
Tripod material would be selected depending on resulting total weight of product
Wheels provide mobility
Advantages Disadvantages
Allows for increased product weightAllows minimal to no physical effort when using the product
Could provide a problem when trying to change bulbs over non-movable objectsIf product is to heavy pushing it on the wheels could be difficult
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Support SubsystemAlternative Options
After market stands example: field goal type stand.
Two stands joined with bolt that can be separated.
Moving cart
Square based stand with wheels
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Grip and Turn ToolAdvantages
•Individual height legs
•Purely mechanical work
•Light weight
Disadvantages
•Not many DOF
•Pull cables might get on the way when rising/lowering
•Horizontal range limited
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Periscopic Electric ToolAdvantages•Pincher grip fine adjustment
•Automatable gripping
•Implements reliability of motors
•Individual height legs
Disadvantages•Electric motors add weight
•Not many DOF
•More prone to breakage
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Bowing ToolAdvantages•Can be operated over obstacles
•More DOF
•Individual height legs
Disadvantages•More user physical work
•Twist angle usage not intuitive
•System can tip over with certain angles
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Hinge Supported ToolAdvantages•Can be operated over obstacles
•Bulb rotation provided by user as desired
•More DOF
•Can be used from base or at hand level
Disadvantages•More user physical work
•Attaching/detaching can get cumbersome
•Attaching/detaching can pinch fingers
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Push-rod ToolAdvantages•Individual height legs
•Fine adjustment through 2 alignment devices
•Purely mechanical work
Disadvantages•Limited rotation from bar
•Potential of breaking bulb
•Potentially Wobbly
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30
FutureSelect subsystem
designs
Continue patent search
Begin discussing materials, sizes, etc. of product
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31
INASADFluorescent Light Changing System