GB/T 14560-2022Crawler cranes (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted.

This document replaces GB/T 14560-2016 "Crawler Cranes", compared with GB/T 14560-2016, except for structural adjustment and editorial In addition to the changes, the main technical changes are as follows.

--- Changed normative references (see Chapter 2, Chapter 2 of the 2016 edition);

--- Changed terms and definitions (see Chapter 3, Chapter 3 of the 2016 edition);

--- Changed the requirements for the altitude of the workplace (see 4.1.1, 4.1.1 of the 2016 edition);

--- Changed the requirements for non-working wind speed (see 4.1.3, 4.1.3 of the 2016 edition);

--- Increased the requirements for the relative error of the operating speed of the telescopic mechanism (see 4.2.1.5);

--- Increased the requirements for the limit value of exhaust smoke (see 4.2.3);

--- Changed the weld defect quality classification and weld inspection requirements (see 4.2.6, 4.2.5 of the 2016 edition);

--- Changed the requirements for the head displacement of the boom (see 4.2.8, 4.2.7 of the 2016 edition);

--- Change the requirements of the luffing mechanism (see 4.4.2, 4.4.2 of the 2016 edition);

--- Increased the requirements of the telescopic mechanism (see 4.4.3);

--- Increased the sealing requirements during the sealing performance test (see 4.5.1.8);

--- Changed the requirements for the amplitude limiter, the device to prevent the boom from tipping back, and the angle limiter (see 4.8.2.3, 4.8.2.4, 4.8.2.5, 4.8.2.3, 4.8.2.4, 4.8.2.5 of the 2016 edition);

--- Changed the content of the main dimension determination (see 5.3.1, 5.3.1 of the 2016 edition);

--- Changed the test methods for the maximum lifting speed and maximum turning speed (see 5.3.3.1, 5.3.3.3, 5.3.3.1, 2016 edition 5.3.3.3);

--- Added the measurement method for the extension and retraction time of the main boom (see 5.3.3.5);

--- Added the deviation test chart (see 5.5.2);

---In the no-load test, the test method for the boom extension is added (see 5.6.2.5);

--- Changed the rated load test method (see 5.7.2.1, 5.7.2.1 of the 2016 edition);

--- Changed the dynamic load test method (see 5.8.2.1, 5.8.2.3, 5.8.2.1, 5.8.2.3 of the 2016 edition);

--- Changed the static load test method (see 5.9.2, 5.9.2 of the 2016 edition);

--- Changed the sealing performance test method (see 5.11, 5.11 of the 2016 edition);

--- Change "engine exhaust pollutant measurement" to "exhaust smoke measurement" (see 5.13, 5.13 of the 2016 edition);

--- Added the schematic diagram of the main structure of the box boom crane (see Figure A.3);

--- Changed the schematic diagram of the crane boom assembly (see Appendix B, Appendix B of the 2016 edition);

--- Changed the calculation method of the average ground contact pressure of the track (see Appendix C, Appendix C of the 2016 edition);

--- Changed the structural test method (see D.1.1.1, D.1.1.3, D.1.1.1, D.1.1.3 of the 2016 edition);

--- Changed the table of inspection items (see Table E.1, Table E.1 of the 2016 edition).

1 Scope

This document specifies the technical requirements, test methods, inspection rules, operating instructions and signs, packaging, transportation and storage of crawler cranes.

This document applies to hydraulic crawler cranes powered by internal combustion engines (hereinafter referred to as "cranes").

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 3766 General rules and safety requirements for hydraulic transmission systems and their components

GB/T 3811 Crane Design Specification

GB/T 5226.32 Mechanical and Electrical Safety Mechanical and Electrical Equipment Part 32: Technical Requirements for Hoisting Machinery

GB/T 6067.1 Safety Regulations for Lifting Machinery Part 1: General

GB/T 6974.1 Crane Terminology Part 1: General Terms

GB/T 6974.2 Crane Terminology Part 2: Mobile Cranes

GB/T 7935 General Specifications for Hydraulic Components

GB/T 8918 Steel wire ropes for important purposes

GB/T 9969 General Principles of Instruction Manual for Industrial Products

GB/T 10051.1 Lifting hooks - Part 1: Mechanical properties, lifting capacity, stress and materials

GB/T 10051.2 Lifting hooks - Part 2: Specifications for forging hooks

GB/T 12265.3 Minimum distance for mechanical safety to avoid extrusion of various parts of the human body

GB/T 12602 Overload Protection Device for Hoisting Machinery

GB/T 13306 Signs

GB/T 13384 General technical conditions for packaging of mechanical and electrical products

GB/T 15052 Crane Safety Signs and Hazard Graphical Symbols General

GB/T 19418 Guide for quality classification of arc welded joint defects

GB/T 20062 Mobile crane operating noise limits and measurement methods

GB/T 20118 General technical conditions for steel wire ropes

GB/T 20303.2 Crane Cab Part 2: Mobile Crane

GB 20891 Limits and Measurement Methods of Exhaust Pollutants from Diesel Engines for Non-Road Mobile Machinery (China Phase III and IV)

GB/T 21457 Requirements for the measurement accuracy of parameters in the test of cranes and related equipment

GB/T 21458 Mobile Crane Rated Lifting Capacity Chart

GB/T 22358 Earthmoving Machinery Protection and Storage

GB/T 23821 Safety distance of machinery to prevent the upper and lower limbs from touching the danger zone

GB/T 24809.2-2015 Requirements for the mechanism of cranes - Part 2: Mobile cranes

GB/T 24817.2 Crane Control Device Arrangement and Characteristics Part 2: Mobile Cranes

GB/T 24818.2 Crane Access and Safety Protection Facilities - Part 2: Mobile Cranes