EN 364-1992 en Personal Protective Equipment Against Falls from a Height - Test Methods《人员防高处坠落保护设备 试验方法》.pdf

1、CEN ENS364 92 m 3404589 0053735 T37 m EUROPEAN STANDARD EN 364 NORME EUROPENNE EUROPISCHE NORM December 1992 Descriptors: Peisonal protective equipment. accident prevention. protection against fall. tests. inspection English version Personal protective equipment against falls from a height - Test me

2、thods Equipement de protection individuelle contre les chutes de hauteur - Mthodes dessai - Prfverfahren Persnliche Schutzausrstung gegen Absturz This European Standard was approved by CES on 1992-11-30. CEK members are bound to comply with the CES CEKELEC Internal Regulations which stipulate the co

3、nditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEK member. This European Standard exists in thr

4、ee official versions (English, French. German). X version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEh members are the national standards bodies of Au

5、stria, Belgium, Denmark, Finland, France. Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands. Norway, Portugal. Spain. Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fur Normung Central Secretariat:

6、 rue de Stassart 36, B-1050 Brussels 9 1992 Copyright reserved to CEK members Ref. No. EN 364 : 1992 E CEN ENx369 92 m 3409589 O053736 973 m Page 2 EN364: 1992 Foreword This European Standard was prepared by the Technica! Committee CEN/TC 160 Protection against falls from a height including working

7、belts of which the secretariat is held by DIX. This European Standard has been prepared under a mandate given to CEN by the Commission of the European Communities and the European Free Trade Association, and suppoi-ts essential requirements of the EC Directive(s). This European Standard shall be giv

8、en the status of a national standard, either by publication of an identical text or by endoisement, at the latest by June 1993, and conflicting national standards shall be withdrawn at the latest by June 1993 The standard was approved and in accordance with the CEN, CENELEC Internal Regulations. the

9、 following countiies are bound to implement this European Standard: Austria. Belgium. Denmark, Finland, France, Germany, Greece, Iceland, Ireland. Italy, Luxembourg, Setherlands. Sorw-ay, Portugal, Spain, Sweden. Switzerland and TJnited Kingdom. - CEN ENS3611 92 m 3qOT589 0053737 BOT m 1 Scope This

10、standard specifies test methods for materiais, components and systems associated with equipment for protection against falls, as follows: a) static testing apparatus and static test methods; b) dynamic testing apparatus, including a torso dummy; c) test methods for dynamic performance and dynamic st

11、rength testing of components and systems: d) corrosion testing of metal components; e) test apparatus and test methods for conditioning tests and endurance tests. The standard also makes recommendations for the scheduling of tests. 2 Normative references This Europcw: Standard incorporates by dated

12、or undated referciice provisions from other publications. lliese normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard on

13、ly when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 354 Eh 361 prEN 892-1 EN 10002-1 EN 10002-2 EN 45001 IS0 922 : 1990 Rwo na 1 protective equipment against falls from a height - La 71 ya rds Personal protectiue e

14、quipment against falls from a height - Full body harnesses Mou lita iwering equipment - Ropes - Safety reqzi irernents, test i jig, Inarking Metallic materials - Tensile test - Mdzod of test (at ambient tem yeratui-e) Vvrjfcation of the force measuring sgstern of tensile testing machines Gtvwral cri

15、teria for the operatioii qf testing laboratories Cowosiorz tests in artijkial atmosphere.7 - Salt spray tests Page 3 EN 364 : 1992 3 Definitions For the purposes of this standard, the following definitions apply. 3.1 force measuring apparatus Apparatus for measuring force including force transducer

16、and analogue or digital display, or chart recorder. 3.2 specified static test force That stated in the requirements of the specification for the particular component or system submitted for test. 4 Requirements for test apparatus 4.1 Static testing machines 4.1.1 Force measurement requirements Force

17、 measuring apparatus for static testing of components and systems shall conform to The calibration of measuring apparatus should be traceable to an approved physical properties laboratory or approved Calibration senice in accordance with the accuracy required for the test (consult EN 45001). 4.1.2 R

18、equirements for rate of stressing 4.1.2.1 Metallic ,nateriais The rate of stressing shall conform to Eh 10002-1. 4.1.2.2 Textile materials The crosshead velocity for components in the length range 1,O m to 2,O m shall be within the range of 50 mm to 150 mm per minute. Components shorter than 1.0 m s

19、hall be tested with a proportionately lower crosshead velocity. Components longer than 2,0 m may be tested with a proportionately higher crosshead velocity. 4.2 Torso dummy The torso dummy for static and dynamic testing of relevant components and systems shall conform to the dimensions and requireme

20、nts described at figure 1. The mass of 100 kg should have a tolerance of f 1 kg. The centre of gravity should be (200 f 25) mm above the perineum. The suspension eyes should have an inside diameter of 40 mm and maximum cross-section diameter of 15 mm. The surface of the dummy should be smooth and, i

21、f of timber construction, should be shellacked or varnished. EN 10002-2. CEN ENM3b4 92 3404589 0053738 74b Page 4 EN 364 : 1992 483 - I A-A Dimensions in iiiillimetres .linimiini blend radius R50 unless stated otherwise 1Ia.ss 100 kg iiardwood or plastics (Xniniiini shore hardness 90) Figure 1. Tors

22、o dummy CEN EN*3b4 92 3404589 0053739 682 4.3 Test cylinder The test cylinder required for static testing of work positioning belts and work positioning restraint belts shall have a diameter of 350 mm with tolerance of f 10 mm. It should be a rigid structure having a hard and smooth surface. 4.4 Dyn

23、amic testing apparatus 4.4.1 Structure The rigid anchorage structure shall be so constructed that its natural frequency (of vibration) in the vertical axis at the anchorage point is not less than 100 Hz and so that the application of a force of 20 kN on the anchorage point does not cause a deflectio

24、n greater than 1,0 mm. The rigid anchorage point shall be a ring of (20 f i) mm bore and (15 f 1) mm diameter cross section, or a rod of same diameter cross section. The height of the rigid anchorage point shall be such as to ensure that no part of the component or system under test, or of the torso

25、 dummy or rigid steel mass. shall strike the floor during the test. 4.4.2 Force rn easurement apparatus The force measuiing apparatus shall be capable of measuring forces from 1,2 kN to 20 kN with an accuracy of f 3 a frequency bandwidth of 1000 Hz. and include a low pass filter which has a passband

26、 iipple not greater than - +U i;b 5 dB and a -:3 dB frequency bandwidth of 60 Hz. Roll off should be not less than - 12 dB per octave. If an intermediate amplifier is used, it shall be linear and calibrated to within f 0, 1 i% over the operating range. Where the recorder is of the peak hold type it

27、shall track and hold to an accuracy of f 1 X over the operating range. Where the recorder is of the force time history type it should be dynamically or electronically calibrated to within f 2 %, over the operating range. The apparatus shall have a common mode rejection ratio of not less than 60 dB a

28、t power frequencies. For the purposes of this specification, where the force measurement apparatus, amplifier and recorder are in series. an overall error band of f 2.5 is accepted. 4.5 Rigid steel masses The rigid steel mass, either (100 f 1) kg or (1.50 fi i) kg. LW appropriate, shall be rigidly c

29、onnectcd to an eyebolt which provides secure connection. The 100 kg mass shall have a nominal diameter of 200 mm. The eyebolt shall be central at one end, but an offset additional eyebolt position is also permissible (see figure 2) to accomodate horizontal dimensional constraints of relevant testing

30、 procedures anti equipment. Page 5 EN 364 : 1992 I Diiiieiisions in millimetres Figure 2. Rigid steel mass I The 150 kg mass shall have a nominal diameter of 300 mm. The eyebolt shall be central at one end. but an offset additional eyebolt position is also permissible. 4.6 Quick release device The q

31、uick release device shall be compatible with the eyebolts of the 4.2 torso dummy and 4.5 rigid steel masses. It shall ensure release of torso dummy or rigid steel mass with no initial velocity. 4.7 Corrosion test apparatus The apparatus for testing the corrosion resistance of metals shall be capable

32、 of the NSS (neutral salt spray) test procedure described in IS0 9227 : 1990. 4.8 Apparatus for conditioning tests 4.8.1 Heat The chamber shall be capable of control at (50 f 2) OC at a relative humidity of (8.3 f 5) Y,. 4.8.2 Cold The refrigerated chamber shall be capable of control at (-30 I 2) OC

33、. 4.8.3 Wet The water spray apparatus shall be capable of delivering at the rate of approximately 70 1 h. The water temperature should be in the range 10 OC to 30 oc. 4.8.4 Dust The chamber should be a box of 1 m cube internally, see figure 3, with provision for agitating dust with blasts of air fro

34、m a 6 bar supply. The box shall be provided with a vent and air filter. The chamber shall have provision for a cord to be passed vertically through the top of the box for operation of the mechanism under test. 4.9 Endurance test apparatus The apparatus shall be capable, under gravitational accelerat

35、ion of an appropriate mass, of repeated operation of sliding type and retractable type fall arrest ers, CEN ENt3b4 92 W 3404589 0053740 3T4 W Page 6 EN364: 1992 Dimensions in millimetres 1 Bore air tube 0 6 mm 2 1000 mm (internal dimension) cube :3 Floor level Figure 3. Dust conditioning chamber 5 %

36、st methods Recomendations for the scheduling of tests are desciibed at annes A. 5.1 Full body harnesses 5.1.1 Dynamic pe#ormance test apparatus The apparatus shall comply with 4.2 and 4.4. 5.1.2 Dynamic performance test procedure 5.1.2.1 Fit the torso dummy with the harness equipped with a lanyard m

37、ade from prEN 892-1 approved single mountaineering rope of 11 mm diameter and without an energy absorber, so that the overall length of the lanyard from the harness tie-in point to the end of the knotted loop where it is attached to the test rig is 2 m. 5.1.2.2 Suspend the torso dummy by its upper a

38、ttachment point and raise this to 2 m above the fixed anchorage point of the lanyard and maximum 300 mm horizontally from the centre line. Hold it with the quick release device. 5.1.2.3 Release the torso dummy without initial velocity, the feet first free fall being about 4 m before the lanyard take

39、s up the tension. Observe whether the harness releases the torso dummy. After the fall observe the orientation of the torso dummy and measure the angle between the longitudinal axis of the doixal plane of the torso dummy and the vertical. 5.1.2.4 Using the same rope, though re-adjustment is permitte

40、d, within (15 f 1) min repeat the test procedure with the torso dummy suspended from its lower attachment point to achieve a head first free fall of about 4 m. 5.1.2.5 Apply the above feet first and head first procedures to each attachment point designed to be used as part of a complete fali arrest

41、system and marked as such (see EN 361). 5.1.2.6 For those attachment points which are not designed to be used as part of a complete fall arrest system, the above feet first and head first fall procedures shall be repeated but the free fall shall be about 2 m. 5.1.3 Static strength test apparatus The

42、 apparatus shail comply with 4.1 and 4.2. 5.1.4 Static strength test procedure 5.1.4.1 Place the harness on the torso dummy. 5.1.4.2 Install the torso dummy and harness in the test apparatus and apply the specified static test force between the attachment element of the harness and the lower ring of

43、 the torso dummy. Maintain the force for a period of 3 min and observe whether the harness releases the torso dummy. Repeat the procedure for each attachment element of the harness. CEN ENx3b4 92 D 3qOq589 0053743 230 Page 7 EN 364 : 1992 5.1.4.3 Repeat the procedure using the upper ring of the tors

44、o dummy and at the relevant specified static test force. SOTE. Although this is a strength test. it also permits the study of behaviour and movement of the varioiis components and some effects on the physical safety of the user. 5.2 Lanyards 5.2.1 Static strength test apparatus The apparatus shall c

45、omply with 4.1. 5.2.2 Static strength test procedure Install the lanyard in the test machine and submit it to the specified static test force between its two end points (supplied terminations). Maintain the force for a period of 3 min and observe that the lanyard does not fracture. SOTE. If a teitil

46、e lanyard is supplied for test with metallic connecrers as terminations, the metallic connecters may be replaced by srronger connecters or may be clamped laterally by the ,jaws of the testing apparatus. 5.2.3 Dynamic strength test apparatus The apparatus shall comply with 4.4.1, 4.5 and 4.6. 5.2.4 D

47、ynamic strength test for lanyards incorporating length aaustment device Attach a connector to the end point of the lanyard. Adjust the length adjustment device until the length between end points is (2.0 - 0.25) m or, if the overall length is less than 2,0 m: to the full length of the lanyard. Xttac

48、h the 100 kg mass to the adjustment device connector and attach the other end to the rigid structural anchorage point. Raise the mass (4,O f 0,l) m or. if the lanyard is less than 2.0 m, as high as the length of lanyard permits and at a maximum of 300 mm horizontally from the structural anchorage. H

49、old it by the quick release device. Let the mass fall and observe that the mass is not released. 5.3 Energy absorbers 5.3.1 Static preloading test apparatus The apparatus shall comply with 4.1. Alternatively, the 4.4.1 apparatus can be employed with an auxiliary test mass of 204 kg. 5.3.2 Static preloading test procedure Install the lanyard in the test machine and submit it to the specified static preloading test force between its two end points (supplied terminations). Maintain the force for a period of 3 min and observe whether permanent extension occurs. Alternatively