ISO 12140-2:2020
农用拖车和牵引设备牵引杆千斤顶第2部分:使用安全、试验方法和验收准则
Agricultural trailers and trailed equipment — Drawbar jacks — Part 2: Application safety, test methods and acceptance criteria
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- 标准号
- ISO 12140-2:2020
- 发布
- 2020年
- 发布单位
- 国际标准化组织
- 当前最新
- ISO 12140-2:2020
- 引用标准
- ISO 12140-1 ISO 4413
- 适用范围
- This document specifies safety requirements, test procedures, and establishes minimum acceptance criteria for the application of telescopic mechanical screw- and nut-type drawbar jacks and hydraulic drawbar jacks intended to be fitted on the implement tongue of interchangeable towed machinery and hereafter referred to as “implement(s)” as original equipment or jacks fitted with a jack attachment mount. This document applies to implement mounted jacks or jacks fitted with a jack attachment mount. These jacks are used specifically for supporting the hitch points of implements during storage, lifting and lowering of implement tongues to facilitate attaching to or disconnecting from an agricultural tractor and levelling of machinery for stationary use. The drawbars are those which are designed to couple with the mechanical connections of towing vehicles.