标准摘要
[中文适用范围]： 本国际标准规定了测量结构特征的实验室测试，并给出了用于 ISO 6165 中定义的乘驾式土方机械的落物防护结构 (FOPS) 的代表性测试的性能要求。 适用于作为机器整体部分提供的 FOPS 以及单独提供用于连接到机器上的 FOPS。 它不适用于用于垃圾填埋场压实机、挖掘机、压路机、挖沟机、铺管机、用于操作附件（例如附件反铲）的附加座椅或额定功率小于 15 kW 的机器的 FOPS 。 注：如果决定为这些或其他特定应用的机器提供此类保护，本国际标准可用于为翻滚或坠落物体保护结构的制造商提供指导。 [外文原描述]： ISO 3449:2004 specifies laboratory tests for measuring the structural characteristics of, and gives performance requirements in a representative test for, falling-object protective structures (FOPS) intended for use on ride-on earth-moving machines as defined in ISO 6165. It is applicable to both FOPS supplied as an integral part of the machine and those supplied separately for attachment to the machine. It is not applicable to FOPS intended for use on landfill compactors, excavators, rollers, trenchers, pipelayers, for the additional seat for operation of an attachment (e.g. attachment backhoe), or on machines with a power rating of less than 15 kW.
英文名称Earth-moving machinery — Falling-object protective structures — Laboratory tests and performance requirements