1、October 2013Translation by DIN-Sprachendienst.English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、 53.060www.din.deDDIN ISO 6292Powered industrial trucks and tractors Brake performance and component strength (ISO 6292:2008),English translation of DIN ISO 6292:2013-10Kraftbetriebene Flurfrderzeuge und Schlepper Bremsleistung und Komponentenfestigkeit (ISO 6292:2008),Englische bersetzung von DIN I
3、SO 6292:2013-10Chariots de manutention et tracteurs industriels automoteurs Performance de freinage et rsistance des lments de frein (ISO 6292:2008),Traduction anglaise de DIN ISO 6292:2013-10www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.!%)V.“2065111Do
4、cument comprises 16 pages09.132DIN ISO 6292:2013-10A comma is used as the decimal marker. Contents Page National foreword .3 Introduction .5 1 Scope .5 2 Normative references .5 3 Terms and definitions 6 4 Requirements 7 4.1 General 7 4.2 Required brake systems 7 4.3 Operating means 8 4.4 Service br
5、ake system .8 4.5 Parking brake system 8 4.6 Brake control forces .8 4.7 Brake component strength 8 4.8 Stored energy system 9 4.9 Additional requirements 9 5 Test conditions 10 5.1 General . 10 5.2 Stopping distance test 10 5.3 Drawbar drag test 10 6 Performance tests 11 6.1 Parking brake performan
6、ce . 11 6.2 Service brake performance . 11 6.3 Warning device testing (for stored energy system) . 12 6.4 Heat fade test . 12 Annex A (normative) Additional requirements . 15 Bibliography . 16 National foreword This standard includes safety requirements. This document (ISO 6292:2008) has been prepar
7、ed by Technical Committee ISO/TC 110/SC 2 “Safety of powered industrial trucks”. The responsible German body involved in its preparation was the Normenausschuss Maschinenbau (Mechanical Engineering Standards Committee), Working Committee NA 060-22-42 AA Sicherheit von Flurfrderzeugen of Section Frde
8、rtechnik. Representatives of manufacturers and users of industrial trucks, and of the employers liability insurance associations contributed to this standard. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN and/or DKE shall no
9、t be held responsible for identifying any or all such patent rights. The International Standards referred to in this document and taken over as European Standards have been published as the corresponding DIN EN ISO Standards with the same number. Where the International Standards and publications re
10、ferred to are not also DIN ISO Standards with the same number, there are no national standards available. 3DIN ISO 6292:2013-10 This page is intentionally blank 4DIN ISO 6292:2013-101 Scope This International Standard specifies performance, test methods, controls, control forces and component streng
11、th for brake systems fitted to powered industrial trucks of all capacities, industrial tractors with rated capacities up to and including 20 000 N drawbar pull, burden carriers, and industrial trucks handling freight containers, as defined in ISO 5053. Loss of electrical power and loss of any other
12、form of power assistance is not covered by this International Standard. Braking used in emergency situations (e.g. activating the emergency switch or control system shut down) is not covered in this International Standard. This International Standard only includes requirements for newly manufactured
13、 trucks. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3691-1:1), In
14、dustrial Trucks Safety requirements and verification Part 1: Self-propelled industrial trucks, other than driverless, variable-reach trucks and burden-carrier trucks ISO 5053, Powered industrial trucks Terminology 1) To be published. (Revision of ISO 3691:1980) Introduction Industrial trucks, tracto
15、rs and burden carriers, generally referred to as trucks throughout, can satisfy the braking requirements of this International Standard by complying with either the stopping distance requirements or the drawbar drag requirements. Based on the requirements for brakes of rubber-tyred earthmoving machi
16、nery (ISO 3450), the stopping distance as a measurement value has been established. The brake performance is limited by consideration of the load. For further reference as to how the measurement of stopping distance and measurement of brake reaction time were derived, see ISO/TR 29944. Powered indus
17、trial trucks and tractors Brake performance and component strength5DIN ISO 6292:2013-103 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 actual truck velocity v actual measured velocity of the truck, just prior to the service brake being applie
18、d 3.2 brake fade decrease of braking torque as a function of temperature and/or speed at constant application force 3.3 braking force force at the contact surface between a wheel and the ground, produced by the effect of a braking system, which opposes the velocity or the tendency to movement of the
19、 vehicle ISO 611:2003, definition 9.11.3 3.4 braking performance performance of a braking system as measured by the braking distance in relation to the initial speed of the truck and/or by braking force and the capability to hold the truck at a standstill on a gradient 3.5 braking system combination
20、 of parts which fulfil one or more of the following functions: control (usually to reduce) a vehicles speed, bring the vehicle to a halt or hold it stationary ISO 611:2003, definition 3.2 3.6 cold brakes brake that meets one of the following conditions: a) the temperature measured at the periphery o
21、f the disc or on the outside of the drum is below 100 C; b) in the case of totally enclosed brakes including oil-immersed brakes, the temperature on the outside of the housing is below 50 C or within the manufacturers specification; c) the brake has not been operated in the previous 1 h. 3.7 control
22、 device part of the braking system which initiates its operation NOTE Control devices of industrial trucks are defined in ISO 3691-1:, 5.4.2.2, 5.4.2.3 and 5.4.2.4. 3.8 fade test lining effectiveness test procedure consisting of one or more brake applications or the continuous dragging of the brake
23、to generate heat with the effect that differences in braking performance, if any, can be observed ISO 611:2003, definition 8.4 6DIN ISO 6292:2013-103.9 lining bedding lining burnishing pre-test conditioning procedure for obtaining a specified degree of geometric, physical and chemical adaptation bet
24、ween the brake lining surface and the drum 3.10 laden mass foreseen maximum laden truck mass likely to occur in the intended use of the truck, taking into account various combinations of optional equipment and the actual capacity applicable at the lift height specified for the tests (where relevant)
25、 3.11 parking braking system braking system allowing a vehicle to be held stationary mechanically, even on an inclined surface, particularly in the absence of the operator 3.12 service braking system braking system allowing the operator to control, directly or indirectly, the speed of the truck or t
26、o bring the truck to a halt 3.13 stopping distance s0distance travelled by the truck during the total braking time, i.e. distance travelled by the truck from the instant when the driver begins to actuate the control device until the instant when the truck stops 3.14 test velocity velocity greater th
27、an 90 % of the maximum designed truck velocity NOTE If the truck velocity is automatically reduced in certain load conditions or load positions (i.e. lift height dependent), this reduced velocity is the maximum travel velocity for that load condition/position. 3.15 unladen mass foreseen minimum unla
28、den truck mass is likely to occur in the intended use of the truck, taking into account various combinations of optional equipment 4 Requirements 4.1 General The following requirements for brake systems apply. 4.2 Required brake systems The truck shall have the following brake systems: a service bra
29、ke system; a parking brake system. 7DIN ISO 6292:2013-104.3 Operating means The service and parking brakes shall be operated by means of independent systems. Both braking systems may utilize the same brakes; i.e. brake shoes, brake drums and related actuating items. The exceptions to this requiremen
30、t are brake systems fitted to stand-on and pedestrian controlled trucks as defined in ISO 3691-1. 4.4 Service brake system All trucks shall meet the service brake requirements of 6.2 and 6.4. 4.5 Parking brake system The parking brake system shall meet the requirements of 6.1. 4.6 Brake control forc
31、es The control forces to meet the required brake performances for the systems, as specified in 6.1 and either 6.2.1 or 6.2.2, shall not exceed the values given in 4.6.1 to 4.6.5 and summarised in Table 1. 4.6.1 For brakes applied by depressing a pedal, the required service brake performance and park
32、ing brake performance shall be attained with a pedal force not greater than 450 N. 4.6.2 For brakes applied by an upward movement of a brake pedal (releasing the brake pedal), the required service brake performance and parking brake performance specified shall be attained with the pedal fully releas
33、ed. The force required to release the brakes and to hold the pedal fully depressed whilst travelling shall not be greater than 200 N. 4.6.3 For parking brakes applied by means of a handlever, the required brake performance shall be attained when a force not greater than 300 N is applied to the handl
34、ever at the gripping point. 4.6.4 For service brakes applied by squeezing a handgrip, the required brake performance shall be attained when a force not greater than 150 N is applied to the handlever at the gripping point. 4.6.5 For brakes applied by means of a tiller which is biased, e.g. spring loa
35、ded, to the upright position (as on pedestrian controlled trucks), the required service brake performance shall be attained at the maximum depressed stroke position of the tiller when a force not greater than 150 N is applied at the mid-point of the handgrip. 4.7 Brake component strength The strengt
36、h of brake components shall not be lower than the values given in 4.7.1 to 4.7.5 and summarised in Table 1. 4.7.1 For trucks having a downward movement of a brake pedal (depressing the brake pedal) to apply the service or parking brake(s), the system shall be capable of withstanding a brake pedal fo
37、rce of at least 1 200 N without any failure, cracking or deformation which affects the brake performance or function. 4.7.2 For trucks having an upward movement of a brake pedal (releasing the brake pedal) to apply the service or parking brake(s), the system shall be capable of withstanding a force
38、of 200 % of the maximum possible setting of the spring which applies the brake(s), without any failure or cracking or any deformation which affects the brake performance or function. The pedal when fully depressed, and its associated mechanical stop shall be capable of withstanding a force of 1 800
39、N applied at the centre of the brake pedal actuating surface without any failure, cracking or deformation which affects the brake performance or function. 8DIN ISO 6292:2013-104.7.3 For trucks having a handlever to apply the parking brake(s), the system shall be capable of withstanding a force of at
40、 least 600 N applied at the gripping point of the lever, without any failure, cracking or deformation which affects the brake performance or function. 4.7.4 For trucks having a handgrip which is squeezed to apply the service brake(s), the system shall be capable of withstanding a force of at least 3
41、00 N applied to the handgrip, without any failure, cracking or deformation which affects the brake performance or function. 4.7.5 For trucks having a tiller which is depressed or released to apply the service or parking brake(s), the system and associated mechanical stops shall be capable of withsta
42、nding a force of at least 900 N when applied at the mid point of the handgrip, without any failure, cracking or deformation which affects the brake performance or function. Table 1 Brake control forces and component strengths Service brake Parking brake Brake type Maximum control force Minimum compo
43、nent strength Maximum control force Minimum component strength Depressed pedal 450 N 1 200 N 450 N 1 200 N Released pedal 200 N Up-stop 200 % maximum spring setting and Down stop 1 800 N a200 N Up-stop 200 % maximum spring setting and Down stop 1 800 N aHandlever 300 N b600 N Squeeze grip 150 N 300
44、N Tiller 150 N 900 N 900 N aSee 4.7.2. bSee 6.1.2, last paragraph. 4.8 Stored energy system 4.8.1 Service brake recovery capacity If an air operated service braking system employing stored energy is used, then, with the truck stationary, the service braking system shall have the capability of delive
45、ring 70 % of maximum system pressure measured at the brakes when the brakes are fully applied 20 times at the rate of six applications per minute with the engine running at the optimum speed for braking energy recovery. 4.8.2 Warning device for stored energy system A service braking system employing
46、 stored energy shall be equipped with a warning device, which actuates before the stored energy drops below 50 % of the manufacturers specified maximum operating energy level. The device shall be readily visible and/or audible to the operator, and shall provide a continuous warning. Gauges indicatin
47、g pressure or vacuum do not meet these requirements. 4.9 Additional requirements In some markets, the additional requirements listed in the normative Annex A apply. 9DIN ISO 6292:2013-105 Test conditions 5.1 General 5.1.1 Manufacturers precautions shall be observed while carrying out performance tes
48、ts. 5.1.2 The test course shall consist of a hard dry surface made of concrete, asphalt or an equivalent surface. The test course shall have no more than 2 % slope at right angles to the direction of travel. Slope in the direction of travel shall be level 0,5 %. 5.1.3 For the laden condition, the tr
49、uck shall be tested with rated capacity in a position recommended by the manufacturer. The mast or the forks shall be tilted fully rearward and fully retracted, if it is provided by the design of the truck. NOTE The load may be secured to the truck during testing. 5.1.4 Tractors shall be tested without load or trailers. 5.1.5 The truck mass and axle load distribution shall be measured and recorded. 5.1.6 All parameters relating to braking systems shall be within the manufacturers specifications, i.e. tyre size and pressu
