BS ISO 13767-2012 Ships and marine technology Ship-s mooring and towing fittings Shipside roller fairleads《船舶和海洋技术 船舶停泊和拖航设备 码头滚轮导缆器》.pdf

《BS ISO 13767-2012 Ships and marine technology Ship-s mooring and towing fittings Shipside roller fairleads《船舶和海洋技术 船舶停泊和拖航设备 码头滚轮导缆器》.pdf》由会员分享，可在线阅读，更多相关《BS ISO 13767-2012 Ships and marine technology Ship-s mooring and towing fittings Shipside roller fairleads《船舶和海洋技术 船舶停泊和拖航设备 码头滚轮导缆器》.pdf（20页珍藏版）》请在麦多课文档分享上搜索。

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 13767:2012Ships and marine technology Ships mooring and towingfittings Shipside rollerfairleadsBS ISO 13767:2012 BRITISH STANDARDNational forewordThis British Standard is

2、the UK implementation of ISO 13767:2012.The UK participation in its preparation was entrusted to TechnicalCommittee SME/32/-/4, Ships and marine technology - Outfitting anddeck machinery.A list of organizations represented on this committee can beobtained on request to its secretary.This publication

3、 does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 69752 4ICS 47.020.50Compliance with a British Standard cannot confer immunity fromleg

4、al obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2012.Amendments issued since publicationDate Text affectedBS ISO 13767:2012 ISO 2012Ships and marine technology Ships mooring and towing fittings Shipside roller fairle

5、adsNavires et technologie maritime Corps-morts et ferrures de remorquage de navires Chaumards rouleaux quaiINTERNATIONAL STANDARDISO13767First edition2012-07-01Reference numberISO 13767:2012(E)BS ISO 13767:2012ISO 13767:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012All r

6、ights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of

7、the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 13767:2012ISO 13767:2012(E) ISO 2012 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope 12 Normative re

8、ferences . 13 Terms and definitions . 14 Classification 14.1 Type . 14.2 Nominal sizes . 15 Dimensions . 16 Materials . 27 Manufacturing and inspection . 28 Marking . 2Annex A (informative) Basis for strength assessment of shipside roller fairleads 6Bibliography . 8BS ISO 13767:2012ISO 13767:2012(E)

9、ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a te

10、chnical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters

11、of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated t

12、o the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for

13、identifying any or all such patent rights.ISO 13767 was prepared by Technical Committee ISO/TC 8, Ships and marine technology, Subcommittee SC 4, Outfitting and deck machinery.iv ISO 2012 All rights reservedBS ISO 13767:2012ISO 13767:2012(E)IntroductionThe shipside roller fairlead is a type of ships

14、 mooring fitting installed on board to lead the mooring rope from the ships inboard to outboard. ISO 2012 All rights reserved vBS ISO 13767:2012BS ISO 13767:2012Ships and marine technology Ships mooring and towing fittings Shipside roller fairleads1 ScopeThis International Standard specifies the des

15、ign, size and technical requirements for shipside roller fairleads installed to lead the mooring rope of a ship.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated reference

16、s, the latest edition of the referenced document (including any amendments) applies.ISO 13755, Ships and marine technology Ships mooring and towing fittings Steel rollersIMO Circular MSC/Circ.1175, Guidance on shipboard towing and mooring equipment3 Terms and definitionsFor the purposes of this docu

17、ment, the following terms and definitions apply.3.1safe working loadSWLmaximum load in kN on the rope that should normally be applied in service conditions4 Classification4.1 TypeDepending on the construction, roller fairleads shall be classified as the following two types: 2-roller type; 3-roller t

18、ype.4.2 Nominal sizesThe nominal sizes, Dn, of roller fairleads are denoted by reference to the outside diameter of the roller, in millimetres, from a basic series of preferred numbers.The nominal sizes are: 150, 200, 250, 300, 350, 400, 450 and 500.5 DimensionsRoller fairleads have dimensions and p

19、articulars in accordance with Tables 1 and 2, and Figures 1 and 2.INTERNATIONAL STANDARD ISO 13767:2012(E) ISO 2012 All rights reserved 1BS ISO 13767:2012ISO 13767:2012(E)6 MaterialsThe following material shall be used for manufacturing the roller fairleads: Seat: weldable steel plates having a yiel

20、d point of not less than 235 N/mm2.7 Manufacturing and inspection7.1 All surfaces of the roller fairleads, including welding, shall be free from any visible flaws or imperfections.7.2 All surfaces in contact with the ropes shall be free from surface roughness or irregularities likely to cause damage

21、 to the ropes by abrasion.7.3 The roller fairleads shall be coated externally with an anti-corrosion protective finish.8 Marking8.1 The safe working load (SWL) intended for the use of the roller fairleads shall be noted in the towing and mooring plan available on board for the guidance of the shipma

22、ster as specified in MSC/Circ.1175.8.2 The actual SWL on board shall be determined by considering the under deck reinforcement, and it shall be marked on the towing and mooring plan. The actual SWL shall not be over the SWL indicated in this International Standard.8.3 The shipside roller fairleads s

23、hall be clearly marked with its SWL by weld bead or equivalent. The SWL shall be expressed in tonnes (letter t) and be placed so that it is not obscured during operation of the fitting.EXAMPLE SWL XXX tDimensions in millimetresa) 2-roller type2 ISO 2012 All rights reservedBS ISO 13767:2012ISO 13767:

24、2012(E)b) 3-roller typeaOpening on shell/bulwark.Figure 1 Layout of roller fairleadsTable 1 Dimensions and SWL of roller fairleadsDimensions in millimetresNominal sizeDn2-roller type 3-roller typel1l2PcSWLbl Wcl W = 90a = 20(kN) (t) (kN) (t)150 570 770 870 1 070 300 135 200 260 26 186 19200 740 990

25、1 140 1 390 400 170 250 437 45 314 32250 910 1 210 1 410 1 710 500 205 300 574 58 412 42300 1 070 1 420 1 670 2 020 600 235 350 710 72 510 52350 1 230 1 610 1 930 2 310 700 265 380 1 025 104 736 75400 1 400 1 780 2 200 2 580 800 300 380 1 230 125 883 90450 1 560 1 940 2 460 2 840 900 330 380 1 571 1

26、60 1 128 115500 1 720 2 100 2 720 3 100 1 000 360 380 1 913 195 1 373 140a is the relative angle of ropes on the roller fairlead (refer to Annex A).bThe SWL is the maximum applicable rope tension based on 90 ( = 90) and 160 ( = 20) deflection of rope direction by the roller fairlead.The SWLs shown i

27、n this table are for reference only. These are based on the loadings as mentioned in Annex A.The “SWL” may be adjusted depending on the actual loading conditions, and the actual marking shall be agreed between the user and the manufacturer.cP and W are for reference only. The opening size on the she

28、ll or bulwark shall be determined considering overhauling space of the roller. ISO 2012 All rights reserved 3BS ISO 13767:2012ISO 13767:2012(E)Dimensions in millimetresKey1 seat2 steel rollersaSWL marking.bDeck.cUnder carling.dDrain hole.eWater tight.fSmooth grinding.H The height of the roller fairl

29、ead shall be determined in accordance with the height of the shipside gutter coaming.a The inclination of a is to be determined in accordance with the rope leading inclination.4 ISO 2012 All rights reservedBS ISO 13767:2012ISO 13767:2012(E)NOTE The end shape of the fairleads shown in “Detail Y” can

30、be changed as per manufacturers standard based on no sharp edges to avoid rope damage.Figure 2 Assembly of roller fairleadsTable 2 Dimensions of roller fairleadsDimensions in millimetresNominal sizeDnA B C Rdch1t1t2Welding leg lengthaCalculated weightb(kg)Type A and BType C z1z2z32-roller type3-roll

31、er type150 145 165 50 20 71,5 81,5 100 10 12 8 5 8 126 171200 182 200 50 20 93,5 102,5 100 12 14 10 6 10 191 265250 225 235 50 25 113,5 119,5 100 15 16 11 7,5 12 286 404300 256 265 50 25 128,5 130,5 125 16 18 12 8 13 367 525350 296 295 50 30 145,5 152,5 125 21 24 15 10,5 17 569 820400 333 330 70 30

32、154,5 164,5 150 23 26 17 11,5 18 719 1 048450 371 360 70 35 167,5 179,5 150 26 28 20 13 21 912 1 339500 402 390 70 35 178,5 195,5 150 27 32 23 13,5 22 1 097 1 618aWelding with chamfering is available based on the same welding volume/strength.bThe calculated weight is for reference based on the heigh

33、t of seat (H), 380 mm excluding the steel roller on the roller fairlead.cd is to be decided depending on the type of steel roller (Type A and B or Type C), as specified in ISO 13755. ISO 2012 All rights reserved 5BS ISO 13767:2012ISO 13767:2012(E)Annex A (informative) Basis for strength assessment o

34、f shipside roller fairleadsA.1 GeneralThe strength of the roller fairleads was evaluated by finite element model analysis and determined based on the following design criteria.A.2 LoadingThe roller fairleads are to be designed to withstand the horizontal and vertical load cases.The horizontal and ve

35、rtical loadings were considered individually, but both loadings were not considered simultaneously.A.2.1 Case 1 Horizontal loadingKeyP mooring force and towing force at the conical part of the throat of the rolleraConical part of throat.NOTE 1 The loads were considered with rope deflected 160 ( = 20

36、) through the roller fairlead as shown in this figure.6 ISO 2012 All rights reservedBS ISO 13767:2012ISO 13767:2012(E)NOTE 2 The loads can be increased in accordance with the deflecting angle of the rope smaller than 160.Figure A.1 Horizontal loading on roller fairleadsA.2.2 Case 2 Vertical loadingK

37、eyP mooring force and towing force at the conical part of the throat of the rollerNOTE The loads were considered with rope deflected as shown in this figure through the roller fairleads.Vertical down side: Outboard down 90.“c” degree is to be decided to lead the mooring line to the mooring drum.Vert

38、ical up side: This case was not considered.Figure A.2 Vertical loading on roller fairleadsA.2.3 A single load was considered for the 2-roller type and simultaneous loadings were considered for the 3-roller type roller fairleads.A.3 Load and stress criterionUnder the SWL, the following stress criteri

39、on was adopted: The combined stress is limited to 85 % of the yield stress of the material.A.4 Wear-down allowances and corrosion additionsThe wear-down margin and corrosion margin were already included in the safety factor. ISO 2012 All rights reserved 7BS ISO 13767:2012ISO 13767:2012(E)Bibliograph

40、y1 IACS UR A2, Shipboard fittings and supporting hull structures associated with towing and mooring on conventional vessels2 OCIMF, Mooring Equipment Guidelines (MEG3)8 ISO 2012 All rights reservedBS ISO 13767:2012BS ISO 13767:2012ISO 13767:2012(E) ISO 2012 All rights reservedICS 47.020.50Price base

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