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CONSTRUCTION OF INDUSTRIAL WHEEL
BARROW
ABSTRACT
Wheel barrow can be defined as a simple machine used in transferring heavy
loads materials from one place to another by pushing. It can be used or serve
as farm equipment, industrial equipment and for other purpose.
How ever, mateials used for the cnstruction of wheelbarrow are bought in
standard sizes either in long bare eg for the handle or in standard sheets eg
for the bowel.
Depending on the type to be constructed, the materials are then reduced to
smaller and more convenient sizes. The shapes and forms are changed by the
following operatins ie filing, drilling, reaming, taping broaching, folding,
bending etc also depending on the size of workshop, some of these operation may
be carried out by using manual or mechanized processes.
In addition the serial procedures involved in constructing a locally made wheel
barrow are
i.
marking out operation
ii.
pattern/sample development
iii.
cutting operation
iv.
folding and bending operation
v.
drilling and boring operations
vi.
fitting operation joiing and fiddling
vii.
protection [painting] operation.
EQUIPMENTS
USED [TOOLS AND MACHINES]
i.
metal
rude
ii.
scriber
for marking out operation
iii.
metal tape
iv.
center punch
v.
halk
saw
vi.
hand and electric
files for
cutting operations
vii.
hand sharer
viii.
guletin
ix.
folding
machine
for folding and bending operation
x.
bending mechine
xi.
drilling
machine
xii.
late
machine
for drilling and boring operations
xiii.
milling
xiv.
bolts,
nuts, screw
driver
fitting operations
xv.
pair, vices
xvi.
paints
xvii.
brush
painting operating
xviii.
rollers
xix.
container
The
required equipments were sued to construct the wheel barrow in two good days.
The cost of standard wheel barrow construction includes
i.
labour cost
ii.
material cost and
iii.
miscellaneous expenses.
The wheel barrow was
testes with a fixed amount of heavy materials to know the ability in motion,
this handle moves freely and smoothly after the handle was lifted.
TABLE
OF CONTENT
CHAPTER ONE
INTRODUCTION
ORIGIN AND
HISTORY
CHAPTER TWO
LITERATURE
REVIEW
CHAPTER THREE
CONSTRUCTIONAL
PROTOTYPE
MATERIAL
SELECTION
CHAPTER FOUR
CALCULATION/COST
EVALUATION
CHAPTER FIVE
DISCUSSION
CHAPTER SIX
RECOMMENDATION AND
OBSERVATION
CONCLUSION
CHAPTER SEVEN
BIBLIOGRAPHY
CHAPTER
ONE
INTRODUCTION
This is a hand pushed simple machine consisting of a “V” shape body supported
on two shafts, that arranged in a “V” shpae with handles at the end and a wheel
and axle at the point. the wheel barrow is a level of the second class with the
fulcrum at the axle, than the force applied at the handles and loads or
resistance between the two in the body. It is also used by farmers, loads that
is too heavy or bulky to be carried by hand and is similar to hand truckds used
by warehouse men and industrial workers, except that the latter have two
wheels. Moderns wheel barrows are made of a light metal, such as aluminum, and
have a rubber five on the wheel. A two wheel machine for carrying garden
materials is more property called garden cart.
The purpose of the production of this machine is to reduce, alleviate and
probably eliminate the sufferins, time money, wastage of man power and more
especially the need for technological break through and self reliance, which
has been a major concern of the federal government.
Therefore, carrying of head pans of sand, grovel, concrete and heavy load on
human heads has been a tiring problem in the society, from time immemorial
especially towards our loco-parenthesis. To help eradicate those
problems, this project at hand has delved into simplicities and the
construction of this machine that can be used to carry different types of heavy
load to any distance.
ORIGIN AND HISTORY
The origin and development of the barrow hold on important place in the history
of invention, not because in itself it represent a major technological
innovation, but because it clearly illustrates a phenomenon known as
independent invention.
Thus, the wheel barrow has more than a single source of origin and was
developed for different purposes.
The earliest form of wheel barrow was developed in china shortly before AD 200
and traditionally its design is attributed to a general in the imperial army,
although this is probably more enough to suggest how it originated. The single
wheel is large often three or four feet in diameter and usually has a dozen or
more spokes. It is set between the shafts at a considerable distance from the
front end of the barrow, while a boxing or wooden frame is built up form the
shaft to encase the upper half of wheel.
Platform projected from the shaft on
both sides.
The goods to be carried are loaded on
these platforsm and on the upper surface of the boxing.
If the burden are correctly placed not
only would it weight balances on both sides of the wheel barrow but it would
also balance before and after the exile of the wheel. The weight of the load is
hence almost supported by the wheel and the man pushing the barrow could used
his energy solely for moving it and maintaining its balance.
This kind of barrow appears to have been developed from a two wheeled hand
ccart in which, with modification, the pair of wheel wet, rice growing, area,
field boundaries are often no more than narrow embracement, the tops barrow,
therefore seem to be on adoption of the hand cert designed to allow it to more
along narrow paths. Indeed early illustration of Chinese wheel barrow and
formed placing apart from pushing and balancing has to left a large parts of
the burden. It was totally unsuitable for shifting goods over long distances.
Until the seventh century when direct contact where made between European and
China, as a result of trade, each area had it own distinct form of wheel
barrow, although by this time both were frequently modified to serve other
needs than those for which they were designed.
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