BS ISO 6055-2004 en_1253 Industrial trucks - Overhead guards - Specification and testing《工业用货车.护顶架.规范和试验》.pdf

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1、BRITISH STANDARD BS ISO 6055:2004 Industrial trucks Overhead guards Specification and testing ICS 53.060 BS ISO 6055:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 24 September 2004 BSI 24 September 2004 ISBN 0 580 44475 9 National fore

2、word This British Standard reproduces verbatim ISO 6055:2004 and implements it as the UK national standard. It supersedes BS ISO 6055:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MHE/7, Industrial trucks, which has the responsibility to: A lis

3、t of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspon

4、dence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of i

5、tself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments an

6、d promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since pub

7、lication Amd. No. Date CommentsINTERNATIONAL STANDARD ISO 6055 Third edition 2004-09-01 Reference number ISO 6055:2004(E) OSI 2004 Industrial trucks Overhead guards Specification and testing Chariots de manutention Protge-conducteurs Spcifications et essaisBSISO6055:2004ISO :5506(4002)E ii ISO 4002

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12、sreb obyd t nitnuoc ehry fo teh euqertsre. SIc Oopyright ofifce saCe soptael 65 -HCG 1121eneva 02 Te.l 22 14 + 10 947 11 Fax + 22 14 0 9479 74 Eam-il ocpyrithgios.ogr Web wwwi.soo.rg Pubni dehsil Stiwrezldna BSISO6055:2004OSI 5064002:5)E( ISO 4002 r llAithgs reservde iii Contents Page 1 Scope 1 2 No

13、rmative references 1 3 Requirements for high lift rider trucks with lift height exceeding 1 800 mm . 1 3.1 Introduction . 1 3.2 General . 1 3.3 Dimensions 2 3.4 Testing 6 3.4.1 General 6 3.4.2 Dynamic test . 6 3.4.3 Impact drop test . 6 3.4.4 Operators legs and feet protection test . 7 3.5 Performan

14、ce requirements . 7 4 Requirements for variable reach trucks with operator position not protected by the boom . 9 4.1 Introduction . 9 4.2 General . 9 4.3 Dimensions 9 4.4 Testing 10 4.4.1 General 10 4.4.2 Falling objects test . 10 4.4.3 Overturning test . 10 4.5 Performance requirements . 10 Biblio

15、graphy . 11 BSISO6055:2004ISO :5506(4002)E iv ISO 4002 All rithgs reresvde Foreword ISO (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 t

16、echnical committees. Each member body interested in a subject for which a technical 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 clos

17、ely with the International Electrotechnical Commission (IEC) on all matters 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. Draf

18、t International Standards adopted by the technical committees are circulated to 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 docum

19、ent may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 6055 was prepared by Technical Committee ISO/TC 110, Industrial trucks, Subcommittee SC 2, Safety of powered industrial trucks. This third edition cancels and replaces the se

20、cond edition (ISO 6055:1997), it includes the contents of ISO 6055:1997 with the exception of the option for order picking trucks. The following requirements have been added: impact drop testing; capability to add a fitting to protect against small falling objects; requirements for variable reach ro

21、ugh terrain trucks. BSISO6055:2004ANRETNIITOTS LANDNADRA OSI 5064002:5)E( ISO 4002 r llAithgs reservde 1 Industrial trucks Overhead guards Specification and testing 1S c o p e This International Standard specifies the requirements and testing of overhead guards, operators legs and feet protection, r

22、oll-over protection system (ROPS) and falling-object protection system (FOPS) for any type of high lift, rider operated, powered industrial truck with a lift height exceeding . 2 Normative references The following referenced documents are indispensable for the application of this document. For dated

23、 references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3164, Earth-moving machinery Laboratory evaluations of protective structures Specifications for deflection-limiting volume ISO 3449, Earth-moving

24、 machinery Falling-object protective structures Laboratory tests and performance requirements ISO 3471, Earth-moving machinery Roll-over protective structures Laboratory tests and performance requirements ISO 3691, Powered industrial trucks Safety code ISO 5353, Earth-moving machinery, and tractors

25、and machinery for agriculture and forestry Seat index point ISO 13564-1, Powered industrial trucks Test methods for verification of visibility Part 1: Sit-on and stand- on operator trucks and variable reach trucks 3 Requirements for high lift rider trucks with lift height exceeding 18 00m m 3.1 Intr

26、oduction This section applies to trucks fitted with masts and variable reach trucks where the operator position is protected by the boom, i.e. the mast or boom prevents the truck from tipping more than a nominal . 3.2 General 3.2.1 The overhead guard shall extend over the operator when in the normal

27、 operating position(s) as defined in ISO 3691 and when the operator is operating the controls as provided by the truck manufacturer. For overhead guards fixed to the mast, this also applies when the mast is inclined. The control levers in their neutral position, the pedals in their released conditio

28、n and the steering wheel are considered protected if they do not project in the direction of the mast more than beyond the vertical projection of the outline of the overhead guard onto a horizontal plane; see Figure 1. Adjustable steering wheels for the driving mode shall be placed in the centre pos

29、ition. No account is taken of the parking brake lever in its foremost position in relation to the mast. 1 800 mm 90 150 mm BSISO6055:2004ISO :5506(4002)E 2 ISO 4002 All rithgs reresvde Any part of the operators legs or feet, in the normal operating position, that project more than beyond the front o

30、f the overhead guard when vertically projected onto a horizontal plane, shall be protected by a structure. The test procedure for the structure is described in 3.4.4. 3.2.2 Failure of the tilting mechanism must not, directly or indirectly, cause the operator to be in danger because of the overhead g

31、uard. 3.3 Dimensions 3.3.1 The guard shall be constructed in a manner that does not interfere with the visibility, as specified in ISO 13564-1. 3.3.2 Openings in the top of the overhead guard shall not exceed in one of the two dimensions, i.e. width or length. 3.3.3 For high-lift trucks on which the

32、 operator is seated, the vertical clearance, from the seat index point in accordance with ISO 5353 to the underside of the section of the overhead guard under which the operators head is located when the operator is in the normal operating position, shall not be less than . Dimensions in millimetres

33、 Key 1 edge of overhead guard 2 phantom view of front support 3 rear of forward structure Figure 1 Satisfactory protection by the overhead guard 150 mm 150 mm 903 mm BSISO6055:2004OSI 5064002:5)E( ISO 4002 r llAithgs reservde 3 3.3.4 For high-lift trucks on which the operator stands, the vertical cl

34、earance, from the platform where the operator stands to the underside of the section of the overhead guard under which the operators head is located when the operator is in the normal operating position, shall not be less than . 3.3.5 When requested by the user, the manufacturer may reduce the norma

35、l overall overhead guard height and vertical clearance for the operators head under the overhead guard to permit operation of the truck with an overhead guard in areas where the overhead clearance limits the overall height of the truck. For example, if the torso height of the 95th percentile is XX a

36、s defined in Figures 1 to 4 of ISO 3411:1995 1and the overhead guard height is reduced by Y, then the recommended torso height for operators should not exceed XX-Y. Where there is reduced vertical clearance, information shall be provided with the overhead guard specifying any limits associated with

37、the height of operators who may use trucks on which the guard is fitted. 3.3.6 Where the manufacturer of the overhead guard has been informed that the user may be at risk from falling objects which could pass through the opening (see 3.3.2), then the guard shall be constructed to remove that risk, w

38、ith the opening set as necessary based upon the information supplied. Dimensions in millimetres Key 1 centre of the operators standing position or seat index point with the seat at its midpoint of adjustment 2 deformation limiting line ( ) 3 measuring area of deformation 4 deformed underside Figure

39、2 Dynamic test permissible deformation Overhead guard supported on all sides 1 880 mm 150 mm L 20 mm max. BSISO6055:2004ISO :5506(4002)E 4 ISO 4002 All rithgs reresvde Dimensions in millimetres Key 1 centre of the operators standing position or seat index point with the seat at its midpoint of adjus

40、tment 2 deformation limiting line ( ) 3 measuring area of deformation 4 deformed underside 5 base line relative to chassis Figure 3 Dynamic test permissible deformation Overhead guard supported on one side only L 20 mm max. BSISO6055:2004OSI 5064002:5)E( ISO 4002 r llAithgs reservde 5 Dimensions in

41、millimetres Key 1 centreline of truck and test load 2 drop height; see Table 1 3 test load Figure 4 Impact test method BSISO6055:2004ISO :5506(4002)E 6 ISO 4002 All rithgs reresvde 3.4 Testing 3.4.1 General 3.4.1.1 A dynamic and an impact drop test shall be carried out on a guard fitted to a truck o

42、f the type and rated capacity for which it has been designed. Alternatively, the guard may be mounted on a test chassis provided that the mounting is the same as that on the truck for which it was designed. 3.4.1.2 The same overhead guard and mounting shall be used for both tests. The dynamic test,

43、as described in 3.4.2, shall be conducted first, followed by the impact drop test, as described in 3.4.3. 3.4.1.3 In the case of specially designed overhead guards fitted to trucks, other means, such as calculation methods that have been verified through tests on comparable guards, may be used to de

44、termine compliance with the requirements. 3.4.1.4 For trucks with an elevating operator position and an auxiliary lifting equipment with a lift height up to and including in relation to the operator platform, the impact test is not required. 3.4.2 Dynamic test 3.4.2.1 The purpose of this test is to

45、determine the resistance to permanent deflection of the portion of the overhead guard under which the operator sits or stands. NOTE In the case of overhead guards fitted to trucks of special design, other means, such as computation or prior test results, may be used to determine compliance with the

46、requirements. 3.4.2.2 The test object shall be a mass of having a square striking face with a side dimension of . The striking face shall be of oak wood or material of a similar density and at least thick. The corners and edges shall have a radius of . 3.4.2.3 The test object shall be positioned to

47、drop in free fall with the striking face approximately parallel to the top of the overhead guard, so as not to strike with a corner or an edge. The test object shall be dropped a distance of 10 times. The first drop shall be from a point with the centre of the test object vertically above the seat i

48、ndex point of the operators seat in accordance with ISO 5353, with the seat in its mid-point of adjustment, or above the centre of the standing position. The other 9 drops shall be in a clockwise direction from points with the centre of the test object equally spaced on a diameter circle, the centre

49、 point of which is vertically above the seat index point of the operators seat, in its mid point of adjustment, or above the centre of the standing position. The first of the nine drops to be from a point at the front of the overhead guard. NOTE It is recognized that in some positions a portion of the test object may overlap the edge of the overhead guard when striking. 3.4.3 I