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1、J I S - J F*Z253 I 76 4933608 0044374 UDC 621.873.134:629.12 7 JAPANESE I NDUSTRIAL STANDARD Ships Light Load Derrick Booms JE F 225 I -1976 Translated and Published by Japanese Standards Association Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALice
2、nsee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- Translation without guarantee In the event of any doubt arising, the original standard in Japanese is to be evidence J I S F*Z253 76 M 493360
3、8 0044375 4 M Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- UJJL 621.873. 134:629.12 JIS F*12251 76 m 49
4、33608 0044L7b b m JAPANESE INDUSTRIAL STANDARD J I S Ships Light Load Derrick Booms F 2251-1976 1. Scope This standard provides for ships derrick booms of O. 5 tf (4.9 kN safe working load to be used for handling cargoes, cutters, hoses, dmms, provisions, etc. Remark: In this standard units and nume
5、rical values in accordance with the international System of Units (SI), and are given for reference only. are in 2. Composition The derrick boom shall be composed of a body, head fittings and heel fittings. 3. Classification There shall be eleven types according to the nominal number of the bodv as
6、given in Table 1, Table 1 Nominal 8 mbol of Head fitting Heel fitting Safe working load of derrick Nominal number of adaptable ktting boom tf(kN) derrick boom body 0.5-5.0 0.5-5.5 0.5-6.0 0.5-6.5 o. 5 (4.9) O. 5-7. O O. 5-7.5 O. 5-8. O O. 5-8.5 0.5T 0.5H O. 5-9. O O. 5-9.5 O. 5-10. O Remarks 1. The
7、nominal number of derrick boom body is a numeral representing the safe working load (tf) and the effective length (m) of the boom. 2. The nominal symbol of adaptable fitting represents the safe working load of the boom and the symbol for fitting. Applicable Standards : JIS B 0205-Metric Coarse Screw
8、 Threads JIS B 1181-Hexagon Nuts JIS B 1351-Split Pins JIS G 3 10 1-Rolled Steel for General Structure JIS G 3444-Carbon Steel Tubes for General Structural Purposes JIS G 3454-Carbon Steel Pipes for Pressure Service JIS G 4051-Carbon Steel for Machine Structural Use Copyright Japanese Standards Asso
9、ciation Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 F 2251-1976 JIS F*2251 76 m 4733608 0044177 m NO. Parts 4. Construction, Shape and Dimens
10、ions Mat e rial The construction, shape and dimensions shall be as shown in Figs. 1 to 3 and shall conform to the following requirements: 2 3 (1) The hexagon nut to JIS B 1181-Class 1, except that its height to Class 3. Head fitting JIS G 4051-S 25 C Eye for guy JIS G 3101-SS 41 (2) The split pin to
11、 JIS B 1351. 4 . 5 6 7 5. Material Heel fitting. Bolt and hexagon nut Split pin Stopper Steel plate JIS G 4051-S 25 C B ras s wir e The materials shall be as given in Table 2. Table 2 1 1 Boombody JIS G 3444-STK 41 or JIS G 3454-STPG 38 6. Designation The derrick booms shall be designated by title a
12、nd nominal number of the boom body. JIS number may be used in place of the title. Example: Ships Light Load Derrick Boom O. 5 - 5. O or JIS F 2251-0.5-5. O Effective length of boom body (m) Safe working load (tf) 7. Marking The safe working load shall be marked in a readily visible place of the derr
13、ick boom. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S FM2251 76 W 4933608 0044178 T W F 2251- 19
14、76 Fig. 1 Derrick Boom Body Unit: mm End plate L Joint Doubling plate Head fitting Details of welding for body and doubling plate Details of butt welding Steel pipe Heel fitting I I Effec- Steel pipe I Cai- culated ut side Thichiesa c mm mass lia. mm 141 ISTPG381 kg Reference TaYi- I Safe I tive No.
15、 of load I - length - lomi- nai dia. - 80A L I tf(kN I mm body 0.5- 5.0 I il;:;) 5000 5500 90A 90A 100A 101.6 - 5.7 85.6 17.17 198 3.40 177 (1;:;) 5.75 114.3 4.5 - 84.0 15.52 234 3.89 167 :& 7.20 - - - 7000 - 7500 100A 100A 114.3 5.60 6.0 127 I 20.41 300 - I I I 3.83 I 196 l&$:i$1 I I I 8ooo 125A -
16、I - l - I - l - I - I - I - 1 - 1 - O. 5- 8.5 I li! 8500 9000 O* 5- 9 o p9.6) 125A 125A 139.8 1 4.5 I - 141 19.13 -438 4.79 188 &:il 5.65 139.8 I - 6.6 213 Z7.62 614 .4.72 201 i l : l 7.15 -_- I 125A 125A - Remarks 1. The thickness of head doubling plate shall be 4.5 mm. The position of joint in the
17、 derrick boom may suitably be determined according to the length of pipe, but is recom- mended to be located as near the heel as possible, outside the mid-length part. 2. The calculated mass does not include that of head fitting and heel fitting. 3. Copyright Japanese Standards Association Provided
18、by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S F*Z25L 96 = 4933608 Bc144L79 L 4 F 2251- 1976 Fig. 2 Head Fitting Unit: mm Unit: mm Calculated mass (k
19、g) i Outside symbol 1- cozf I A I 218 4. O 0.28x2 101.6 230 4.2 0.28x2 114.3 244 I 4.4 0.28X2 139.8 270 I 4.9 0.28X2 Remarks 1. The dimension marked with %is given for reference and may suitably be modified. 2. The parts of the derrick boom body and the head fitting which are combined with each othe
20、r shall be rounded as softly as possible. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- Heel Fitting Uni
21、t: mm .Unit: mm O. 5H I 89.1 I 5.5 I 91 I 78.1 I 3.5 101.6 4.2 104 101.6 5.7 104 114.3 I 4.5 116 114.3 I 6.0 116 93,2 I 4.0 90.2 I 3.9 105.3 I 4.5 102.3 I 4.4 I 139.8 I 4.5 I 142 I 130.8 I 5.7 139.8 6.6 142 126.6 5.6 Remark: Screw threads to JIS B 0205. Copyright Japanese Standards Association Provi
22、ded by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,- F 225 1- 1976 Edition 1 Japanese Text Established by Minister of Transport Date of Establishment: Date o
23、f Revision: 1976-02-0 1 Date of Public Notice in Official Gazette: 1970 -02-0 1 1976-02-12 Investigated by: Japane s e Industrial St anda rds Committee Technical Committee on Ships Cargo Gears Divisional Council on Shipbuilding This English Translation is published by: Japanese Standards Association
24、 1-24, Akasaka 4, Minato-ku Tokyo 107 Japan 0 JSA, 1977 Printed in Tokyo by Hohbumha Co.,Ud. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:53:45 MSTNo reproduction or networking permitted without license from IHS -,-,-