Today parking a car on side of the road is major problem. Every time while parking and removing car from the parking space consumes fuel and space. Also we have to leave some space in the front and back side of car so that removing it outside would be easy. We also have to reverse car several time while parking and crashes occurs sometimes. So to overcome this problem we designed a prototype showing transverse car parking mechanism. The mechanism is attached with the car from the bottom side which will lift the car on four small sized wheels by means of pneumatic or hydraulic system and then it moves transversely. The four auxiliary wheels can flip inside so that when we are not using mechanism the ground clearance of the car will be unaffected. This type of mechanism can also use as in-built jack to replace damaged wheels. This type of mechanism will be very much useful for people in emergency cases like removing car from the road in case it’s not starting and this mechanism will work on the battery.

1. IJSRD - International Journal for Scientific Research & Development| Vol. 3, Issue 10, 2015 | ISSN (online): 2321-0613
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Mechanism for Transverse Car Parking
Smitesh Bobde1
Prafull Shirpurkar2
Pravin Wanjari3
1,2,3
Assistant Professor
1,2,3
Department of Mechanical Engineering
1
Dr. Babasaheb Ambedkar College of Engineering & Research Wanadongri, Nagpur-11, India
2,3
Priyadarshini College of Engineering, Nagpur
Abstract— Today parking a car on side of the road is
major problem. Every time while parking and removing car
from the parking space consumes fuel and space. Also we
have to leave some space in the front and back side of car so
that removing it outside would be easy. We also have to
reverse car several time while parking and crashes occurs
sometimes. So to overcome this problem we designed a
prototype showing transverse car parking mechanism. The
mechanism is attached with the car from the bottom side
which will lift the car on four small sized wheels by means
of pneumatic or hydraulic system and then it moves
transversely. The four auxiliary wheels can flip inside so
that when we are not using mechanism the ground clearance
of the car will be unaffected. This type of mechanism can
also use as in-built jack to replace damaged wheels. This
type of mechanism will be very much useful for people in
emergency cases like removing car from the road in case it’s
not starting and this mechanism will work on the battery.
Key words: Parking Solutions, Transverse Car Parking
Mechanism, Smart Parking, Modeling, Simulation, Space
Optimization, In-Built Jack.
I. INTRODUCTION
With the dramatic increase of the automobile use in India,
parking has become an integral part of the modern urban
setting and an important land use. Today, parking related
concerns are no longer confined to the city center; they
extend throughout the urban region. Parking contributes to
the appearance of city and suburbs; affects traffic congestion
and traffic operations; and is a vital component of the urban
street and transit systems. Its availability influences the
choice of mode and route of travel, affecting the viability
and competitive posture of commercial areas. Most of
research work reported in the literature confirms that angle
parking is more hazardous than parallel. The principal
hazard in angle parking is the lack of adequate visibility for
the driver during the back-out maneuver. Additional hazard
results from the drivers who stop suddenly upon seeing a
vehicle ahead in the process of backing out. Several more
studies have compared the crash experience of angle and
parallel parking and reported crash rates for parallel parking
to be from 19 to 71% lower than those for angle parking.
When on-street parking is deemed necessary, it should be of
parallel rather than angle type. Our project aim is to make
on-street parallel parking easy and more beneficial into
society. We designed a prototype showing the transverse car
parking mechanism. This mechanism can be attached with a
modern car.
This mechanism contains pneumatic or hydraulic
system which lifts the car on small auxiliary four wheels.
Auxiliary wheels have a 90 degree angle with respect to
longitudinal axis of car. The auxiliary wheels can be flipped
inside the car space while the mechanism is not in use. This
mechanism can also be use as a built in-jack to raise the car
for changing tires or repairing works.
A. Project Objective
 The aim of the project is to reduce the parking
problems related with on-street parking.
 To develop a mechanism for parking a car
transversely for space optimization.
 To save the fuel and efforts require during car
parking.
B. Statement of Problem in Parallel Parking
The vehicles are parked along the length of the road. Here
there is no backward movement involved while parking or
un-parking the vehicle. Hence, it is the safest parking from
the accident perspective. However, it consumes the
maximum curb length and therefore only a minimum
number of vehicles can be parked for a given kerbed length.
This method of parking produces least obstruction to the on-
going track on the road since least road width is used.
II. MATERIAL & METHODOLOGY
A. Components Of Design
1) Main Frame:
Main Frame is representing as a car chassis. MS Steel is use
in main frame.
Fig. 1: Main Frame
Fig. 2: Pneumatic Cylinder fixed with the Main Frame
2) Auxiliary Frame:
This frame will hold the auxiliary wheels and flipping
mechanism. MS Steel used for auxiliary frame.
Fig. 3: Auxiliary Frame

2. Mechanism for Transverse Car Parking
(IJSRD/Vol. 3/Issue 10/2015/060)
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Fig. 4: Cylinder Piston, Auxiliary wheels and Auxiliary
Frame Assembly
3) DC geared motor:
It is mechanically commutated electric motor, powered by
direct current (DC). DC geared motor runs in both
directions. four motors having 10 rpm and two motors
having 30 rpm are use.
4) Pneumatic Cylinder:
Pneumatic cylinder is use to lift the main frame. It is a
double acting cylinder. Diameter of cylinder is 32mm and
stroke length is 50mm.In a double acting cylinder, air
pressure is applied alternately to the relative surface of the
piston, producing a propelling force and a retracting force.
As the effective area of the piston is small, the thrust
produced during retraction is relatively weak. The
impeccable tubes of double acting cylinders are usually
made of steel. The working surfaces are also polished and
coated with chromium to reduce friction.
Fig. 5: Double acting pneumatic cylinder.
5) Lead Screw:
Lead screw and nut is use for flipping mechanism.
6) Chain Drive and Sprockets:
There are two sprockets in the prototype model, one at the
top and one at the bottom which is attached to the chain at
both ends. It is driven by 6 Volts DC geared motor to run
the system. Main frame is moved by the chain and
sprockets.
7) Auxiliary Wheels:
Four wheels having 70mm diameter.
8) Main Wheels:
Four wheels having 150mm diameter.
III. DESIGN & FABRICATION
1)Center of Gravity Height
Formula
Definition of Variables
CGH - Center of Gravity
Height
WB - Wheelbase (inches)
TW - Total weight
FW1 - Front weight
LEVEL
FW2 - Front weight raised
FWc - FW2 - FW1 (change
in weights)
HT - Height raised (inches)
Adj - Adjacent side (see
below)
Related Formulas
Tan Tangent of angle
(see below)
CLF - Left Front tire
circumference
CRF - Right Front tire
circumference
C - (CLF + CRF) /
2 (average circumference)
r - Axle Height
Fig. 7: Centre of Gravity
1) How Does All This Work?
The center of gravity height is found using the rules of
trigonometry and right triangles. Specifically, we are using
the Law of Tangents, and the Pythagorean Theorem. The
following diagrams are greatly exaggerated for illustration
purposes.
Tan = opposite / adjacent
Pythagorean Theorem,
So, in our exercise, when we raise the car 10" we
are creating a right triangle with the following properties:
 Hypotenuse = Wheelbase = c
 Opposite = Height = b
 Adjacent = a
Therefore using the Pythagorean Theorem,
Fig. 8: Assembly of Transverse car Parking Mechanism
done in CATIA Software.

3. Mechanism for Transverse Car Parking
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Fig. 9: Assembly of Flapping Mechanism.
The project work has been completed up to the
assembly of the total model and simulation for the working
of the model for all sample input conditions, the testing of
the model has been done. The desired output has been
obtained.
IV. THE CONFIGURATION OF MODEL AND WORKING
The system contains a battery of 12 V, Pedestal Bearings,
Lead screws, Geared motors. In this type of mechanism
auxiliary frame is attached with a cylinder piston. Flap plate
is fixed with the auxiliary frame such that it will rotate only
900
which have four auxiliary wheels attached to it making
900
with longitudinal axis of car. For fixing auxiliary frame
centre of gravity is located in CAD model. After pressing
the controller buttons the pneumatic cylinder (Double
Acting) having 5/2 directional control valves is activated
due to which the whole auxiliary assembly comes down.
The flapping of auxiliary wheels can be controlled by
controller. The flapping of mechanism is controlled by lead
screws movement. When the pneumatic cylinder pushes the
auxiliary frame the whole car is lifted and the car is ready to
move in transverse direction. The transverse movement of
car is controlled by controller. The controller activates 30
rpm auxiliary wheels motors. In order to provide stability to
auxiliary wheels lead screws are helpful.
Fig. 10: Auxiliary wheels in un flap position
Fig. 11: Pneumatic cylinder lifting main chassis
Fig. 12: Auxiliary wheels in flap position
Fig. 13: Completely Assembled Model
V. CONCLUSIONS
The design and development of a prototype of the
Transverse car parking mechanism has been done under the
scope of a B.E. mechanical engineering project. Auxiliary
wheels, DC motors are used to provide movements to
transport the vehicle in the parking system. Pneumatic
system is use to lift the main frame The main advantages are
space optimization, cost effectiveness and safety, less fuel
consumption and it can be use like built-in jacks.
ACKNOWLEDGEMENT
We would like to acknowledge Mr. Smitesh Bobde (Asst.
Prof.) for his enthusiastic guidance, Mr. S. Dhomne (Asst.
Prof.) for supporting us. We would also like to acknowledge
Mr. S. V. Prayagi sir, (HOD of the Mechanical Department,
DBACER) for giving us opportunity to present this paper.
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[10]SIMPLIFIED VALVE CIRCUIT GUIDE A GUIDE
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