GB/T 25523-2022Electric mining rope shovel—Safety requirements (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 part of the contents of GB 25523-2010 "Safety Requirements for Mining Machinery Front Shovel Excavators", and is the same as GB 25523-2010.

Compared with GB 25523-2010, except for structural adjustment and editorial changes, the main technical changes are as follows.

a) Deleted the requirements that the equipment should meet when the excavator is used in a low temperature environment below -30°C (see 4.1.5 of the 2010 edition);

b) Added safety requirements for working at heights maintenance area (see 5.1.7);

c) Added emergency exit requirements for driver's cab (see 5.2.6);

d) Changed the safety requirements of the driver's cab (see 5.2.9, 4.2.8 of the 2010 edition);

e) Changed the seat requirements of the driver's cab (see 5.2.11, 4.2.10 of the 2010 edition);

f) The requirements for the high pressure limit in the emergency stop device are added (see 5.3.2.6);

g) Changed the general requirements for air control and lubrication systems (see 5.4.1, 4.4.1 of the 2010 edition);

h) Changed the safety requirements of the pneumatic control system (see 5.4.2, 4.4.2 of the 2010 edition);

i) Added safety requirements for operating boarding ladders (see 5.4.2.6 and 5.6.1.8);

j) Changed the safety requirements of the lubrication system (see 5.4.4, 4.4.4 of the 2010 edition);

k) Added safety requirements for lubricating oil tank (see 5.4.4.3 and 5.4.4.4);

l) The safety requirements for the connection terminals of the drive motor of the main mechanism of the excavator are added (see 5.6.1.3);

m) Added the requirement for the installation of the cable tray at the bottom of the central pivot (see 5.6.1.9);

n) Added uninterruptible power supply (UPS) power supply requirements (see 5.6.4);

o) Added safety requirements for electrical cabinets (see 5.6.5);

p) Changed the signal requirements of the alarm device (see 5.7.1, 4.7.1 of the 2010 edition);

q) The requirements for alarm devices when remotely operated or unmanned autonomous excavators are added (see 5.7.4);

r) Added the safety requirements for the detection system in the braking system (see 5.8.1.3);

s) Changed the technical requirements document for wire rope (see 5.9.5, 4.9.5 of the 2010 edition);

t) Added monitoring requirements for bucket teeth and sheaths (see 5.9.6);

u) The requirements for emergency escape routes have been added (see 5.10.5 and 5.10.6);

v) Changed the requirements for fire extinguishing and fire protection systems (see 5.11, 4.11 of the 2010 edition);

w) Changed the safety requirements for lighting systems (see 5.12.4, 4.12.4 of the 2010 edition);

x) Added environmental protection requirements (see 5.14).

1 Scope

This document specifies the safety requirements for the physical performance and intended use of mining machinery front shovels, and gives the mining machinery front shovels. Dangerous factors that may occur during the entire life cycle of the excavator. Hazards related to general mechanical, electrical, pneumatic, lubrication and other equipment risk, not included in this document.

This document applies to mining machinery front shovel excavators (hereinafter referred to as "excavators") for surface mining.

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 755 Rotating Electric Motor Rating and Performance

GB/T 1251.1 Ergonomic Hazard Signals in Public Places and Work Areas Hazardous Audible Signals

GB 4351.1 Portable Fire Extinguisher Part 1: Performance and Structural Requirements

GB/T 5226.1-2019 Mechanical and Electrical Safety Mechanical and Electrical Equipment Part 1: General Specifications

GB/T 6829 General requirements for residual current operating protective devices (RCD)

GB/T 7932 General rules and safety requirements for pneumatic systems and their components

GB/T 8196 General requirements for the design and manufacture of fixed and movable guards for mechanical safety guards

GB/T 8419 Laboratory Evaluation of Earth-moving Machinery Driver's Seat Vibration

GB/T 8420 Earth-moving machinery driver's body size and the driver's minimum activity space

GB/T 8595 Earth-moving machinery driver's control device

GB/T 8918 Steel wire ropes for important purposes

GB/T 9089.3 Electrical installations under severe outdoor conditions - Part 3: General requirements for equipment and accessories

GB 9656 Motor Vehicle Glass Safety Technical Specification

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

GB/T 12265 Minimum distance for mechanical safety to prevent extrusion of human body parts

GB/T 12972.1 Mine Rubber Sheathed Flexible Cable Part 1: General Provisions

GB/T 12972.5 Mine-use rubber sheathed flexible cables - Part 5: Rated voltage 0.66/1.14kV and below mobile rubber sheathed flexible cables

GB/T 13306 Signs

GB/T 13441.1 Mechanical Vibration and Shock Evaluation of Human Body Exposure to Whole Body Vibration Part 1: General Requirements

GB/T 14711 General safety requirements for small and medium rotating electrical machines

GB/T 15706 General Principles of Mechanical Safety Design Risk Assessment and Risk Reduction

GB 16423 Safety regulations for metal and non-metal mines

GB 16710 Earthmoving Machinery Noise Limit

GB/T 16754 Design principles of mechanical safety emergency stop function

GB/T 16855.1 Safety-related components of machinery safety control systems - Part 1: General rules for design

GB/T 16937 Earth-moving machinery driver's visual field test method and performance criteria