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Automated Scissors Car Jack

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by

Ong Wei Ern

on 3 January 2013

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Transcript of Automated Scissors Car Jack

LEAD BY
JASON YAU HOE SHENG

With the assistance of
HO TAI HUI
SEK MUN KIAT
PHILLIP SIA
ONG WEI ERN
CHEN JINN SHIUAN Design and modify an existing manual scissor car jack to an automated scissor car jack AUTOMATED SCISSORS CAR JACK A scissor jack is operated by inserting a crank into the end of a power screw attached to the scissor jack.
The turning of the crank will eventually turns the screw and raises the jack vertically relative to its position placed. INTRODUCTION PROBLEM STATEMENT Peoples equally found it is a tedious job and
would prefer operating a car jack without
breaking a sweat.
The turning of crank consumes time and energy. Invent an automated car jack that uses the car battery as input source. OBJECTIVE Improve the existing mechanical properties of a car jack
Design an effective automated car jack
Design a cost efficient automated car jack which can penetrate into local market. SECONDARY OBJECTIVE GROUP MANAGEMENT Jason Yau Sek Mun Kiat Chen Jinn Shiuan Ong Wei Ern Phillip Sia Ho Tai Hui TOP SELLING COMPANIES FOR SCISSOR JACK Compact size
Lifting capacity
Life span
Add on features Faster lifting
Faster setup time 
Ease of operation PRIORITY OF CRITERIA lifting capacity (ton)
durable (years)
weight (kg)
overall cost (RM). lifting speed (s)
lifting range (mm)
setup time (s)
ease of operation (N)
compact size (mm3) HOUSE OF QUALITY (HoQ) Improvement in the aspect of LIFTING SPEED, LIFTING RANGE, EASE OF OPERATION, LIFTING CAPACITY and DURABLE
COMPACT SIZE and WEIGHT will be reduced
SETUP TIME and OVERALL COST will remain GOALS Idea develops on paper that allows us to evaluate the working principles of the proposed idea.
The aims of the idea are to achieve the specifications set in the House of Quality (HoQ). CONCEPT
GENERATION The most crucial part of the body.
All forces applied on the car jack is transmitted through links found in the body.
These links will determine the performance and safety of the car jack. BODY Top base will be the contact point between the car jack and the car.
Body will be the links connecting the top and bottom base.
Bottom base will be the stabilizer. 3 PARTS OF CAR JACK Top base: light, easy to join, smooth and flat surface, and tough.
Body: aesthetic, smooth and flat surface, tough and sustainable.
Bottom base: smooth and flat surface, easy to join, high stiffness and sustainable. CRITERIA OF CHOOSING MATERIALS STEP MOTOR POLE MOTOR POWER WINDOW MOTOR DC MOTOR MOTOR Input Source Car Battery Cigarette Light Plug Portable Battery Safety Independent Lock Screw Jack Lock Electric Current Cutoff LED Light Portable Battery One Click Operation Reflector Automated Bolts and Nuts Driver Add-on Features High carbon steel for top base, body and bottom base
Scissor jack principles
Power supplied indirectly from the car battery through the cigarette lighter plug
High rating of DC motor CONCEPT SELECTED Push button
Power Transmission - Uses a higher power rating DC motor
A jack pad made of prothane is used
Add-on features like bolts and nuts automated driver, one click operation and lightning resistance.
Portable driver is designed CONCEPT SELECTED Material : High Carbon Steel
Attached at the bottom side of a scissor jack
large surface used to counter the topple moment BOTTOM BASE Material : High Carbon Steel
Joining the 4 links
contains threaded line to controls the vertical movement of jack
socket is done on the head of power screw POWER SCREW Material : High Carbon Steel
Large Rivet: connect the joints of lower and upper linkages
Small rivet: connect the joints of upper and lower linkages with top base and lower base. FIXED RIVET Material : High Polymer
Included together with scissor jack
Embedded DC motor
loosen and tighten the bolts and nuts
Comes with an universal socket PORTABLE AUTOMATIC DRIVER Material : High Carbon Steel
Attached at the top side of a scissor jack
Accompanied with a prothane jack pad
Contact both car jack and the car’s jacking point. TOP BASE Material : High Carbon Steel
Consists of 4 links
Move in 4 linkage formation
All forces transmitted through here BODY TARGET COSTING COST ANALYSIS PHASE ONE PHASE TWO ENGINEERING ANALYSIS PHASE THREE CONCLUSION POLE MOTOR THANK YOU
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