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GIACOMINI OFFICINE MECCANICHE SRL

Articles

DERRICK CRANE
TECHNICAL CHARACTERISTICS

Column
Bolted to the winch frame with stiffleg hingepins on the upper part.

Boom
Hinged to the winch frame and held to column by multiple tackles.

Stifflegs
Hinged to the end of the column and anchored by foundation bolts fixed into the rock or into reinforced concrete.

Winch
Powered by electric motors or diesel engine and coaxially coupled to the gear speeds and transmission shafts.
Model C325 (with a max boom length of 40 meters ) has 3 different speeds; model 2DEP (minimum 30 meters boom length) available with 5 or 6 speeds (see table). Steel gear reducers in oilbath and grooved steel drums prevents any problem during the winding operation. For Derricks powered by electric motors, braking system is achieved with electrohydraulic shoes brakes, while the diesel versions have electromagnetic disk brakes.

Multiple tackles
Steel pulleys rotating on life lubricated roller bearings.

Rotation
Either mechanical, whit iolbath gear reducers, ending step-down pinion gear and stake fifth wheel. Chain fifth wheel for large Derricks is available.

Pulley block
Provided by pulleys rotating on water-tight bearings and double hook swivelling on thrust bearing.

Optional equipment
• Electrohydraulic gripping devices directly splined on the winding drums
• Block with possibility to reach over 100 meters be low
• Bedplate level
• Driver's cab
• Remote control: push botton and white manipulator
• PLC and/or inverter for an optimum use of the machine

GRU A DERRICK
TYPE Capacity[Kg] L
[m]
H
[m]
D
[m]
h
[m]
βmax
[°]
Vs
[m/min.]
Vb
[m/min.]
Vβ
[°/min.]
DE 20 20.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22
DE 25 25.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22
DE 30 30.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22
DE 40 40.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22
DE 50 50.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22
DE 60 60.000 Da 20 a 80 Da 10 a 45 Da 15 a 65 Da 0 a 200 220 1,25/10,0 1,25/5,0 22

 

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