1、 STD-BSI BS EN 12b55-ENGL LA m lb24bb 073bLbS UT5 Gymnastic equipment - Hanging rings - Functional and safety requirements, test methods The European Standard EN 126551998 has the status of a British Standard ICs 97.220.30 BS EN 12655:1998 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COP
2、YRIGHT LAW BS EN 12666:1998 been prepared under the Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 16 December 1998 direction of the Consumer Amd No. O BSI 1998 ISBN O 580 30238 5 National foreword Date Text affected This
3、 British Standard is the English language version of EN 126551998. The UK participation in its preparation was entrusted to Technical Committee SW/14, Gymnasium and sports equipment, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible European commit
4、tee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the UK interests informed them in the UK. A list of organizations represented on this committee can be obtained on request to its secrem. Cross-referenc
5、es The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “international Standards Correspondence Index”, or by using the “Find facility of the BSI Standards Electronic Catalogue
6、. A Brish Standard does not purport to include all the necessary provisions of a contra 2) straps; 3) cable; 4) swivel. b) For type 2 (see Figure 2): 1) pair of rings; 2) straps; 3) cable; 4) Pulley; 5) height acljustment fhg point. c) For type 3 (see Figure 3): i) pair of rings; 2) rope; 3) rope us
7、ter, 4) swinging mechanism; 5) height austment fixing point. O ES1 1998 STDmBSI BS EN L2bSS-ENGL 1918 E lb211bb7 073bL74 4b2 = Page 4 EN 12666:1998 1 ring 2 strap (ring attachment) 3 cable 4 pulley 5 height adjustment, futing part Figure 2 - Typical example of type 2 equipment O BSI 1998 STD-BSI BS
8、EN 12b55-ENGL 1798 6 Lb24hb9 073b175 3T7 Page 5 EN 12655:1998 4 1 ring 2 rope 3 rope adjust 4 swinging mechaiocin 5 height adjustment fEing point Figure 3 - Qpical example of type 3 equipment O BSI 1998 STD-BSI BS EN 22b55-ENGL 1996 m Ib2qbL7 073b17b 235 Page 6 EN 126661998 4 Functional requirements
9、 4.1 Rings Rings shall be circdar and have the dimensions shown in Figure4. Dimensions in millimetres 918021 92821 Figure 4 - Dimensions for rings 4.2 Axis of rotation For ail types of equipment each ring shall be able to rotate about its own vertical axis. For type 3 equipment the swinging mechanis
10、m shail allow swinging in the direction of intended use. 4.3 Dimensions AU rings shall comply with the dimensions specified in lble 2 and Fgure 5. The information booklet (see clause 7) shall contain the dimensions required for correct instalkition. O BSI 1998 STD*BSI BS EN LZL55-ENGL 1798 Lb24Lb9 0
11、73bL77 L7L Page 7 EN 12655:1998 bpe 1 2 Table 2 - Dimensions hi max hZ max h3 niin bl min b3 min 64 niin I 5 775 3 O00 - 500 5 1500 1 500 4 O00 5 775 3 O00 2 O00 500 f 5 1500 1500 4 O00 Dimensions in millimetres I I I I I I l 3 I 5 600 13 O00 I 2 O00 I 500 f 5 I 1500 I 1500 1 100000 I- 1 face of nea
12、rest object Figure 5 - Dimensions for gymnastic hanging rings - types 1,2 and 3 O BSI 1998 STD-BSI BS EN 12b55-ENGL 1778 W ib2Libb7 073b178 O08 = Page 8 EN 12655:1998 5 Safety requirements 6.1 General Rings shall comply with the requirements of EN 913, except in so far as they are modified by this E
13、uropean Standard. 6.2 Strength When tested in accordance with 6.1, hanging rings types 1 and 2 shal show no signs of fracture, rupture, defects or release of the acjpstrnent mechanism (if any) when subjected to a vertical force of 4 530 N. When tested in accordance with 6.2, hanging rings shall show
14、 no permanent deformation of more than 10 mm in any direction when subjected to a horizontal force of 775 N for types 1 and 2; and 2 140 N for type 3. NOTE The above mentioned forces have been calculated as follows, using the load factors in accordance with Table B.l of prEN 11761:1996. Calculation
15、of test force Ft (in accordance with annex B of EN 9131996): dynamic factor 1,5 safety factor 1,2 body mass rnb 95 kg 9 10 m/s Ft = 96 X 10 X 1,5 X 1,2 Ft = 1 710 N Calculation of structural integrity for types 1,2 and 3 swing angle a o“ CV load factor vertical F, = cV X Ft, Fv = 2,653 X 1 710 Fv =
16、4 536,6 N chosen 4 540 N Calculation of stability: for type 1 and 2 swing angle a lo“ Ch load factor horizontal h = 7746 N chosen 775 N for type 3 fi = 1,253 X 1 710 4 = 2 142,6 N chosen 2 140 N 5.3 Ring attachments For types 1 and 2 equipment the cable shall not be directly attached to the ring. Fo
17、r type 3 equipment the rope shall be spliced and shall not be swaged or clamped. 5.4 Height of axes For type 3 hanging rings the axes of rotation of the swinging mechanism shall be not more than 5,6 metres above the ground. 5.5 Space between ring sets The distance between ring sets (b2 and b3), in t
18、heir position of intended use, shall be not less than 1 500 nim (see Table 2 and Figure 5). 6 Test methods 6.1 General Unless otherwise specified in the following, the requirements of clauses 4 and 5 shall be verified by measurement, visual examination or practical tests. Before testing the equipmen
19、t shall be assembled according to the manufacturers instructions into a condition similar to the position of use. 6.2 Strength 6.2.1 Vertical tests Carry out the vertical test in accordance with annex B of EN 9131996 and as follows. Apply a vertical force of 4 530 N without shock on the hanging ring
20、s as shown in Figure 6. Note any signs of fracture, rupture, defects or release of the aaustment mechanism. Figure 6 - Points of application of forces for vertical tests O BSI 1998 STD-BSI BS EN L2L55-ENGL 1778 U Lb24bL7 073bL79 T44 Page 9 EN 12655:1998 ! I / / / -ci a) types 1 and 2 Figure 7 - Poin
21、ts of application of forces for horizontal tests 6.2.2 Horizontal tests Carry out the horizontal tests in accordance with annex B of EN 913:1996 and as follows. Apply a horizontal force of 775 N without shock on hanging rings types 1 and 2 as shown in Figure 7a). Apply a horizontal force of 2 140 N
22、without shock on hanging rings type 3 as shown in Figure 7b). Determine any permanent deformation greater than 10 mm. 7 Instructions for use An information booklet shall be provided by the manufacturer/supplier containing the following: - type according to Table 1; - “Not more than one user per ring
23、 set”; - “Do not adjust when in use”; - assembly and adJustment details; - a diagram showing the recommended space for safe operation. 8 Markjng Marking shall comply with EN 913. O BSI 1998 BS EN 12655: 1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the inde
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