GB/T 24644-2022Tractors and machinery for agriculture and forestry - Falling object protective structures - Test procedures and performance requirements (English PDF)

1 Scope

This document specifies test procedures and performance requirements for falling object guards installed on agricultural or forestry tractors.

This document applies to agricultural and forestry tractors with at least two axles mounted with pneumatic tires or tracks instead of tires.

This document does not apply to forestry machinery defined in GB/T 19365.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 229 Charpy Pendulum Impact Test Method for Metal Materials (GB/T 229-2020, ISO 148-1.2016, MOD)

GB/T 3098.1-2010 Mechanical properties of fasteners Bolts, screws and studs (ISO 898-1.2009, MOD)

Note. There is no technical difference between the quoted content of GB/T 3098.1-2010 and the quoted content of ISO 898-1.2009.

GB/T 3098.2-2015 Mechanical properties of fasteners nuts (ISO 898-2.2012, MOD)

Note. There is no technical difference between the quoted content of GB/T 3098.2-2015 and the quoted content of ISO 898-2.2012.

GB 3100 International System of Units and Its Application

GB/T 7121.1-2008 Strength test methods and acceptance conditions for protective devices of agricultural and forestry wheeled tractors - Part 1.Rear-mounted static

State test method (ISO 5700.2006, MOD)

Note. There is no technical difference between the quoted content of GB/T 7121.1-2008 and the quoted content of ISO 5700.2006.

GB/T 7121.2-2008 Strength test methods and acceptance conditions for guards for agricultural and forestry wheeled tractors - Part 2.Rear-mounted

State test method (ISO 3463.2006, MOD)

Note. There is no technical difference between the quoted content of GB/T 7121.2-2008 and the quoted content of ISO 3463.2006.

GB/T 17922 Laboratory tests and performance requirements for rollover protective structures of earth-moving machinery (GB/T 17922-2014, ISO 3471.

2008, IDT)

GB/T 34560.1 Structural Steel Part 1.General Technical Delivery Conditions for Hot Rolled Products (GB/T 34560.1-2017, ISO 630-1.

2011, MOD)

ISO 12003-1.2021 Rollover protection devices for agricultural and forestry tractors with narrow track tractors - Part 1.Front-mounted (Tractorsfor

ROPS)

ISO 12003-2.2021 Rollover protection devices for agricultural and forestry tractors with narrow track tractors - Part 2.Rear mounted (Tractorsfor

ROPS)

3 Terms and Definitions

The following terms and definitions apply to this document.

CNCA C11-06 | GB/T 28693 | GB/T 20948 | GB/T 21956.2 | GB/T 21956.1 | […]