EN 1757-3 PDF

Europastandarden EN gäller som svensk standard. The European Standard EN has the status of a Swedish. Standards. DIN EN Safety of industrial trucks – Pedestrian propelled manual and semi-manual trucks – Part 3: Platform trucks; German version EN. DIN EN Safety of industrial trucks – Pedestrian propelled manual and semi-manual trucks – Part 3: Platform trucks.

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A list of organizations represented on this committee can be fn on request to its secretary. 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 itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 23 and a back cover.

The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd.

BS EN Safety of industrial trucks – MBA智库文档

Date Comments Li ce ns ed c op y: Up-to-date lists and bibliographical references concerning such national standards may ne obtained on application to the Management Centre or to any CEN member. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.

This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Mayand conflicting national standards shall be withdrawn at the latest by May This series of standards includes: General requirement for battery powered trucks Part 2: General requirements for internal combustion engine powered trucks Part 3: Specific requirements for the electrical power transmission systems of internal combustion engine powered trucks EN Safety of industrial trucks – Self propelled variable reach trucks EN Safety of industrial trucks – Driverless trucks and their systems EN Safety of industrial trucks – Additional requirements for automated functions on trucks EN Safety of industrial trucks – Self propelled trucks over 10 kg capacity EN Safety of industrial trucks – Self propelled trucks up to and including 10 kg capacity and tractors with a drawbar pull up to and including 20 N Part 1: General requirements Part 2: Additional requirements for trucks with elevating operator position and trucks specifically designed to travel with elevated loads EN Safety of industrial trucks – Operation in potentially hazardous atmospheres — Use in inflammable gas, vapour, mist and dust EN Safety of industrial trucks – Pedestrian propelled trucks Part 1: Stacker trucks Part 2: Pallet trucks Part 3: Platform trucks Part 4: The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this document.

When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for machines that have been designed and built according to the provisions of this type C standard. With the aim of clarifying the intention of the standard and avoiding doubts when reading it, the following assumptions were made when producing it: These 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 only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies including amendments. The truck is designed to be manually, pushed, pulled and steered by a pedestrian operator by means of a bar or tiller handle to move loads from one place to another one on a smooth, level, hard surface.

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Loading and unloading may be manual or by external mechanical means 3. The rated capacity is defined for a load uniformly and equally distributed over the load carrying platform and the shelves if any. The centre of gravity of the load on each level shall be on the centre line of the truck and mm above the geometrical centre of the platform or the shelf 3. The corresponding requirements are designed to limit the risk or reduce these hazards in each situation.

Hazards Corresponding requirements 4. The hand grips shall be of a cross section enclosed within the space between two concentric circles of 25 mm inside diameter and 35 mm outside diameter and provide a minimum span of mm for each hand. The upper part of the tiller handle shall conform to the dimensions shown in Figure 1 and Figure 2.

When pulling the horizontal distance between the end of the tiller and the front of the wheel Figure 2 shall be more than mm, the handle axis being positioned within mm to 1 mm height. The tiller shall automatically and gently return to the upper rest position when released.

Vertical bars shall have a vertical length of sn least mm. The hand grips shall be of a cross section enclosed within the space between two concentric circles of 25 mm inside diameter and 35 mm outside diameter.

The verification of safety requirements shall enn carried out by design verification on truck type plus manufacturing arrangements not described here plus functional routine verification on each truck to verify its fitness for purpose. Tests wn either be performed by operating the truck in the manner prescribed below or, where practicable, be simulated by any method wn an equivalent effect and producing substantially the same results.

The test load, where applicable, shall be applied according to clause 3. The truck shall be on substantially firm and level ground and may be anchored to prevent overturning.

The test shall not result in any visual permanent deformation or damage. The test is successful if measured values do not exceed those laid down in Table 1. The truck shall be examined visually to ensure that there are no defects.

In case of incorrect operation, the truck shall be adapted until the test is successful. It may occasionally be necessary to negotiate small slopes for the purposes of moving the truck between buildings etc.

NBN EN 1757-3

NOTE The forces to operate the truck are varying with the value of the load, the ground conditions and the truck conditions. The frequency of the load handling cycle should also be taken into account. The rated capacity shall be easily readable by the operator.

The efforts shall be measured in accordance with the dn described below for all the values of load indicated in Table 1 which are less 1775-3 equal to the rated capacity and located according to 6. The force shall be applied horizontally along the truck’s axis on the tiller handle or bar. The tiller shall be maintained in vertical position along the truck’s axis. Two tests in both the forward and reverse directions shall be carried out and the average result recorded. The maximum starting force EDmax or the maximum rolling force ERmax is the average of the maximum values recorded in each direction of travel, forward AV and reverse AR, during two successive tests.

With the truck stationary, measurement consists of recording the maximum force applied tangentially in the middle of the handle throughout the ne lock in one direction from the tiller’s axial position Figure A.

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During measurement the lower surface of the tiller handle shall be maintained at a height of mm above the 1577-3.

BS EN 1757-3:2002

Two measurements are recorded in each direction of tiller steering. During measurement the force continues to be applied tangentially, the wheels swivel freely and are turned crosswise at the end of the measurement.

Two measurements are recorded in each direction of bar steering. The maximum steering force EBmax is the average of the recorded measurements on the left hand side G and on the right hand side D.

The test shall be carried out with a new truck chosen according to 6. The force to push the truck shall cease when the truck hits the obstacle Figure B. The same test shall be carried out when pulling. A series of longitudinal and lateral stability tests shall be carried out depending on the truck type with the positions of the truck on the platform as below and Table B.

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BS EN Safety of industrial trucks. BS EN Safety of industrial trucks — Self-propelled trucks up to and including 10 kg capacity and industrial tractors with a drawbar pull up.