final of goliath crane
TRANSCRIPT
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ASSEMBLY ,ERECTION AND TESTING OF GOLIATH CRANE
GROUP NO.1ASHWIN KATOCHKARAN KAULSHRIKANT LAMTURE
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OUTLINE
IntroductionPurposeClients involvedSpecificationPartsFabricationFuture development
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INTRODUCTION-GANTRY (GOLIATH ) CRANETrolley runs horizontally along rails on
girder.
Wheels run on the gantry rail, perpendicular to the trolley travel direction.
Variable sizes and can move very heavy loads.
Mostly used in shipyards or industrial installations
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PURPOSE
Construct, maintain and assemble the ship.
Final fitting of parts.
Overall time of construction will reduce.
Quick and efficient transporter of the parts from Module Shop.
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CLIENTS INVOLVEDContract of the Crane Awarded to: M/S McNally
Bharat, India.Designer of Crane : M/S KONE,
Germany.Crane Auxiliary to be handled by: M/S Royal
Haskoning, Netherlands.Erection of crane : M/S Fagiole,
U.K.Quality Inspection and Control : M/S IRS
(Indian Register of Ship), India.Chief Consultant : M/S H.M.B.
U.K.
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SPECIFICATION
SPAN-138 metersCRANE CAPACITY-300 TONHEIGHT OF LIFT-50 meters(Above Rails) - 5 meters (Below Rail
Level)POWER SUPPLY -3phase 3.3 kv,50hzTRAVELLING SPEED – 0-40m/min
depending on load.
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SPAN
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MAJOR PARTS
GIRDERLEGSUPPER TROLLEYLOWER TROELLYSERVICE CRANEBOGI BALANCERWHEELS
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DRAWING
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GIRDER
Trapezoidal and hollow. Reduce bending force. Save material and cost
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GIRDER(CONTD.)
Extend over the whole width .
Section should bear maximum reaction and moment.
Full length and short diaphragms should be inserted .
To transmit the load to the web plates.
To limit the maximum stress in the trolley rail.
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TYPES OF DIAPHRAGMS
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LEGS
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LEGS(CONTD.)
Moving and supporting the crane.
Hinged leg and fixed leg.
Fixed leg consists of Lift for operator
Provides rigidity .
Hinged leg maintains flexibility.
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UPPER TROELLY AND LOWER TROELLY
UPPER TROLLEY: Two rope drums of 100 ton capacity
each. Operator’s cabin.
LOWER TROLLEY: Main hoist and auxiliary hoist. Capacity of 150 and 50 ton
respectively.
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SERVICE CRANE: Located on girder at hinged legs Used for maintenenance
BOGI BALANCER: Placed beneath the legs. Primary and secondary .
WHEELS: Placed below the bogie balancer Motion of crane on the rails.
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PARTS-BOGIE BALANCER
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FABRICATION MATERIAL :S355j2G3
EN 10025(European Standard).
S: Means that this is a structural steel.
355: Minimum yield strength (min Re=355 N/mm sq.)
J2: Min. Charpy test value= 27J at -20 deg.C
G3: Supply condition. Normalized or normalized rolled.
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FABRICATION(CONTD.)SAND BLASTING : 75-85 micron layer is formed . Checked for defects such as pinholes
etc.
WELDING : Flux core welding Arc welding
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FABRICATION(CONTD.)
MECHANICAL CONNECTIONS: High tensile bolts .
Fastening shall be applied.
Fastening should be corrosion resistance, surface finish and metric size.
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FUTURE DEVELOPMENT
Analysis on PRO-E and ANsys.
Load estimation on girder and hook.
Assembly of fabricated parts of Crane.
Erection of crane using foundation,hyraulic jack, skid ways etc.
Testing of crane.
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REFERENCES
TENDER DOCUMENT AT MAZAGAON DOCK LIMITED
FABRICATION SHEETS AND DRAWINGS GIVEN BY PROJECT IN-CHARGE AT M.D.L.