EOT Cranes Maintenance

7/18/2019 EOT Cranes Maintenance

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PAGE

T

P

L 7

OPER TION

M INTEN N E

OF

MATERIAL

H NDLING

EQUIPMENTS

MODULE

8

EOT CRANES

Course

Name

OPERATION

MAINTENANCE

OF

MATERIAL

HANDLING

EQUIPMENTS

Course

Number

L 7

Module

Number

8

Module

Title

EOT

Cranes

Objtcth

es

rarticipants

wll

be

able to

understaod

Operation

Components

of

Cranes

Duration

25

days

Two

sessions

of

45Min

each

Number

of

Pages

8

Necessary

Facilities

Class

Room

Necessary

Instruments

35

mmSlide

projector

S T U N T

S

GUIDE



PAGE

TLOT

OPERATION

MAINTENANcE

OF

MATERIAL

HANDuNG

QUIPMENTS

MODULE

8

EOT

CRANES

Table

o

Contents

EOT

CRANES

8

INTRODUCTION

Page

J

J

J

8

8 2

TYPES OF

CRANES

8 3

OMPONENTS

8

4

OPERATION

8

5

CONCLUSION

STUDENTS

GU

oe



PAGE

T

P

L 7

OPERAnoN

M INTEN N E

oF MATERIAL

HANDlJNG

EQUIPMENTS

MODULE

EOT

cRANES

In

this Chapter

we

shall

give

a

broad

outline

of

the components

general

working

principles

maintenance

and

safety

practices

onthe

following

equipments

EOTCRANE

8

INTRODU TION

An

OverheadTravell ing

Crane

shall

consist

essentially

of

a

girder

supported

ateacll

CllJ

on

c

l lKges

capabie

of

travellmg

on

elevated

fixed

tracks

and

trolley

e q u i p p e d

wttb

hoisting

mechanismcapable

oftravclling

from

end

tond

on

such

a

girder

I

8

TYPES

OF

CRANES

Over

Head

Traveling

Cranes

can

be

classified

as

a

Nonlectric

floor

controlled

Cranes

b Semi

Electric

OHT

Cranes

c

Electric

om

ranes

8 3

MAIN

OM PONENTS

The

main

parts

of

anElectric

EOT

Crane

are

Cabin

2

Track

Rail

3

Wheel

4

arriage

5

Flexible

Cable

6 Auxillary

Hoist

7

Hoisting

mechanism

S T U N T

UlOE



PAGE

T

P LD7

OPER TION

M INTEN NcE

OF

M TERI L

HANOUNG

QUJPMENTS

MOOULE

8

EOT

CRANes

8

Trolley

9

atenary

wire

Special

platfonn

II

Platfonn

2

Cross

Traverse

Mechanism

3

Travel

Mechanism

They

are

i l lustrated

in

the

Fig

8

I a

The

main

part

o

a

Crane

is

the

Hoisting mechanism and

a

typical

set

is

lJustrat

in

Fig

8

h

Th

m

m

put

o

theI

vistiu

Mechanism

are

I

Brake

2

Sheaves

3

Upper

Block

4

Electric

Motor

5

Standing

Reducer

6

Drive

wheel

7

Striker

8

Drum

8

Trolley

Frame

to

Limit

switch

II

Idle

Wheel

2

Hook

Block

uxiliary

Hoist

3

Reducer

4

Hook

Block Main

Hoist

For

moe

clarity

Standard

units

o

Hoisting

Installations

are

illustrated

n

8

c

8 4

OPERATION

The

operation

o

a

Crane is

a

very

important

aspect

because

the

smooth

functioning

and

trouble

free

operation

depends

on

the

knowledge

skill

nd

practice

o

he

Crane

operator

The

yard

sticko

identifying

a

good

perator

is

the

smoothness

with

which

the

various

movementso

therane

are

to

e

carried

out

STUOENrs

GUIDE



PAGE

5

T P

L 7

OPERATION

M INTEN N E

OF

MATERIAL

HANDLING

EQUIPMENTS

MODULE

8

EOT

CRANES

A

I

CA8

N

TRACK

RAl

J WtiEEl

4

CARRIAGE

5

FLEXIBLE

CABLE

AUX L

IARY

o

T

HOIS

liNG

MECtiAhl

TROLLEY

9

HlY

WIRE

SPECIAL

PlATFORIo4

PLATFOAtoI

CROSS

T

AVERSE

MECHANI

J

TRAVEL

MECHANlStoI

f

a

ElEC

TRIC OVERHEAD

BRIDGE

CRAN

STUDENT

S

GUIDE



TP

L 7

OPERATION

MAINTENANcE

Of

MATERIAL

HANOUNG

EQU PMENTS

MODUlE

8

EOT

CRANES

I

IIRAIIE

StifAYFS

3

UPPER BLOCK

4

ELECC

OTOR

5

BRAIll

6

S

T

A

G

REDUC

fR

7 ORI

Y

HEfl

I

StRIKER

9

fLfCTI

IC

MOIOR

ORUI

II

mOUEY

fR

u

E

2

LIIoIIT

SWITCH

3 lI IT

S

WIT

CH

4

IDLE

WHEEl

IS

lEe

TRIC

IoIOTOIl

6

HOOII

BLOCK

AUlllARY

HOI

T

7

RU

e

REDUCE R

REOJCf II

HOCltI

BLOCK t

HOIST

l

WO

HOIST

TROLLEY

OF

AN

OVERHEAD

BRIDGE

CRANE

STUDENTS

GUIDE

PAGE

6

t



PAGE

7

TP

L 7

OPERATION MAINTENANCE

OF

MATERIAL

HANDLING

EQUIPMENTS

MODULE 8

EOT CRANES

j

2

I

4

@OM

t

2 J 4

8

I

TRAVELLING

W

HL

WITH

BEARING

BOll

2ENO CAIIAIAC

E

WITH TRAVELLING WHEELS

J HOOlI BLOC

4 STANDING PULLh

S

DOC CQJP

IN

6 COHTHO

ONSOLE

OPERATOR

S

CAe

CLAIo4P

TYP

E

CRANE

ORAC f

BRAKE

WTH

ELECTRQ

HYORAl

iLlC

AELUSE

BRAKEWTh

SH

T

STIOKE ELECTROo4AliHET

RELEASE

II ElEe

rAe

OTOR

n

HOlsrlNc

ORU

CABLE

REEL

4

SPRI

G BUFF R

s fH

us

6

HORIZO

ALly

RA GEO

R

OUCTION CURING

7

yERTlCAllY

A EO

EDUCTION GURING

I SLWING

CE

EOuCER

I

BALL

OUNfED

TUIlNTI

8 E

c

STANDARD UNITS OF HOISTING INSTALLATIONS

STUDENT

S GUIOE



PAGE

8

T P

L 7 OPERATION MAINTENANCE OF

MATERIAL

HANDlING

EQUPMENTS

MODULE

8 EOTCRANES

8 5 CONCLUSION

The

Hydraulic

Pump

actuates

the

Cylinders

which

operates

the

Fork

and

the

tilting

o

the

vertical

frame

The

Frame

can

betilted

forward

by

3

to

5

degrees

for

simplifying

theload

gripping

and

canbe

tilted backward

by

o

Thenonnal

speed

o

he

Fork

Lft

Truck

is 7 5

km

hen there

is

no

oad

and

canbe 6

kmIhr

when

loaded

The

maximum

possible

lift

oftheFork

is

nonnally

2 75

m

and

the

weightcarrying

capacity

is

nonnally

restricted

to

within

2

5

to

3

tonnes

The

operation

ofthe

Fork

Lift is

very

simple

and

the

driver

shall

befamiliar

wth the

normal

procedures including

tbe

steering

mechanism

The

DOnna maintenance

procedures

applicable

to

Hydraulic system

Chain

Sprocket

system

are

applicable

forFork

Lift

also

STUDENT

S

GUIDE

EOT Cranes Maintenance

Documents

Transcript of EOT Cranes Maintenance