ISO Second edition 1988-11-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXAYHAPOfiHAfl OPTAHVl3ALMfl fl0 CTAHAAPTM3AlJMM Shipbuilding
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Second edition 1988-11-01
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXAYHAPOfiHAfl OPTAHVl3AL(Mfl fl0 CTAHAAPTM3AlJMM
Shipbuilding - Trawl winches
Reference number
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Foreword
This second edition cancels and replaces the first edition (ISO 6115 : 1981) of which it
Annex A forms an integral
Printed in Switzerland
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Shipbuilding - Trawl winches
1 Scope
were valid All Standards are subject to revision, and Parties to
editions of the Standards listed below Members of IEC and ISO
Charac teris tics
Nominal pressures
end profiles
requiremen ts
b y enclosures
NOTE - For a double-drum trawl winch, the nominal size corresponds
to twice the drum load stated in table 1
NOTE - For a double-drum winch, the design torque is twice the design torque of a Single-drum winch
drum
1
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nw 1 I
0
Ll
#
3
~
H
v
v
Rl
L I
1 k
v
2
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main trawi rope drum (See figure 1 : Ll or Rl)
R2W.)
with the trawl rope
3.9.1
relation to an observer situated on the side of the motor, power
the trawl rope lengths
supply or controller
supply or controller
chaser and manufacturer
4.2 to 4.12
ation;
manufacturer
ings being exceeded,
against the drum load, at fleet angles up to 6O per side in
stop simultaneously
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vided For overloads up to 1,5 times the drum load at the outer-
manufacturer
lt shall be fitted at the winch Position and at the remote control
paying -out shall be provided
ing of the drive during
For each trawl winch, a I ocal or remote control
remote and local control ) shall be provided
(or a combined
For Single-d rum trawl winches,
winch shall be provided e
separate control of each
NOTE -
winches
Some national authorities require local control on all trawl
trawl
Operation of all control handles shall be clearly and permanently
marked
drums
of normally closed type The brake handle forte during manual braking shall not exceed 0,25 kN
The total available braking torque shall be at least 1,5 times the
driving motor and its characteristics
manufacturer
respectively
of the winch shall be not greater than 0,4 times the 0,2 % proof stress of the material but not more than 0,28 times the breaking
plate shall be designed with due regard to the possibiliy of rup-
number of rope layers on the drum In such a case, the allowed calculated Stresses shall be not greater than 0,9 times the 0,2 % proof stress of the material
4
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into account the maximum torque of the Prime mover and max-
Stresses shall be not greater than 0,8 times the 0,2 % proof
stress of the material
Prime mover
NOTE - Attention is drawn to the existente of certain national safety
requirements
NOTES
1 This rope has tensile grade 1 570 N/mm2, A-galvanized surface
finish and fibre core
2 The design requirement does not preclude the use of other types of
ropes in Service
rope diameter
When all the rope is reeled, the flange shall project at least
spooling gear is fitted When no spooling gear is fitted, the pro-
jection shall be at least 4 times the rope diameter
tYPe*
pressure 10 % below the selected nominal pressure, if agreed
NOTE - For hydraulic diese1 drive, see also ISO 2710, ISO 3046,
Parts 1 to 6, and ISO 6326
purchaser
the trawl rope
NOTE - The tests specified in 6.1.2 and 6.1.3 may be carried out with equivalent weights Interruptions are allowed
The pull value, while carrying out the tests with a trawl rope, may be determined depending on the layer of rope being wound in relation to that at the design torque
design torque applied to the winch drum
6.1.5
a)
b)
Cl d) e)
fl 9) h) i)
power consumption;
pressure values;
5
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JOTES The rope lengths and diameters quoted for design purposes in the table do not preclude the fitting of opes of other qualities, diameters or lengths in Service
I For appropriate use of types A, B and C, see annex B
drum (AD) : R or L (sec 4.2.1);
ends: R or L (sec 4.2.1) ;
EXAMPLE
quency 60 Hz:
EXAMPLE : ISO611542
6
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(normative) Mechanical characteristics of winches
curve
amount to not less than 1,5 times the design torque
(informative) Winch type and use
(informative) Bibliography
Vocabulary
consump tion
Fire pro tection
7
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Price based on 7 pages
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