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Mail to: ecwaytechnologies@gmail.com | ecwayembedded@gmail.com
FIXED AXIAL PNEUMATIC JACK
ABSTRACT
Pneumatic jacks provide a means of lifting loads that otherwise
could not be lifted by conventional mechanical (screw and scissors)
jacks. A common Pneumatic jack with a lever arm and pump has two
Mechanical Advantages (MA) built into it. One MA is due to the lever
arm and the other is due to the ratio of the ram piston diameter squared
(D2) to the pump piston diameter squared (d2), D2 / d2. The two MA’s
combine in a manner that results in a multiplying effect rather than an
adding effect, which yields a much larger overall MA.
The efficiency of a jack can be determined from the basic
definition of efficiency, which are output / input. This laboratory exercise
is appropriate for mechanical engineering technology or mechanical
engineering students for a course in applied compressor mechanics,
compressor power or machine design. The needed equipment is readily
available off-the-shelf, at a very low cost.
The block diagram of quick lifting jack is shown in fig. The
On/Off Switch is used to drive the Solenoid Valve,which is controlled
by remote,The Solenoid valve is connected on the Pneumatic Cylinder.

2. If the Pressurized Air is apply to the Pneumatic Cylinder, it will Move
for the Cylinder Piston. The Piston movement is up and down motion
due to Pneumatic Cylinder Mechanism.So the pressurized Air goes to
the Pneumatic Cylinder and moves the piston upward, so that the
vehicle lifts from ground.
Figure of Remote Controlled Pneumatic Jack:
SET
SET
SWITCHES
SWITCHES
FM
FM
RECEIVER
RECEIVER
FM
FM
TRANSMITTER
TRANSMITTER
RELAY
RELAY
DRIVER
DRIVER
Solenoid Valve
Compressor Air
Base Plate

3. Advantage
 Increased safety
 Reduction in fatigue
 Improved personnel comfort
Disadvantage
1) It need air source to operate