ISO 8643:2017 土方机械 液压挖掘机和反铲装载机悬臂降低控制装置 要求和试验

标准编号：ISO 8643:2017

中文名称：土方机械 液压挖掘机和反铲装载机悬臂降低控制装置 要求和试验

英文名称：Earth-moving machinery — Hydraulic excavator and backhoe loader lowering control device — Requirements and tests

发布日期：2017-02

标准范围

ISO 8643:2017规定了液压挖掘机和反铲装载机动臂、中间动臂和臂油缸上安装的降低控制装置的统一要求和试验程序，以控制液压管路故障或断裂时的下降速度。适用于配备有制造商规定的标准连杆的液压挖掘机的下降控制装置和用于物体搬运的反铲装载机的反铲设备。在提供替代连杆组合的机器上，仅测试制造商规定的标准长度。

ISO 8643:2017 establishes uniform requirements and test procedures for lowering control devices fitted on the boom, intermediate boom and arm cylinders of hydraulic excavators and backhoe loaders to control the rate of drop in the case of a hydraulic line failure or rupture.It is applicable to the lowering control devices of hydraulic excavators and the backhoe equipment of backhoe loaders used for object handling which are equipped with the standard linkage as defined by the manufacturer. On machines where alternative linkage combinations are offered, only the standard length defined by the manufacturer is subject to testing.

标准预览图