NB/T 11455-2023General specification of continuous miner (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 for standardization documents" Drafting.

1 Scope

This document specifies the models and basic parameters, requirements, test methods, inspection rules, standards, and specifications of continuous coal mining machines (hereinafter referred to as "continuous mining machines"). Labeling, packaging, transportation and storage.

This document is applicable to continuous mining machines operating in environments containing gas, coal dust or other explosive mixed gases, and is also applicable to continuous mining machines operating in other engineering tunnels.

Design, manufacture and inspection of continuous mining machines for the industry.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 3836.1 Explosive atmospheres Part 1: General requirements for equipment

GB/T 3836.2 Explosive atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB/T 3836.3 Explosive atmospheres Part 3: Equipment protected by increased safety "e"

GB/T 3836.4 Explosive atmospheres Part 4: Equipment protected by intrinsic safety type "i"

GB 5903-2011 Industrial enclosed gear oil

GB/T 4879-2016 Rust-proof packaging

GB/T 10111 Generation of random numbers and their application in product quality sampling inspection

GB/T 13306 Labels

GB/T 15663.10-2008 Coal mining technical terms Part 10: Mining machinery

GB 11118.1-2011 Hydraulic oil (L-HL, L-HM, L-HV, L-HS, L-HG)

GB/T 16471-2008 Size and mass limits for transport packages

GB/T 37400.13-2019 General technical requirements for heavy machinery Part 13: Packaging

AQ1043 Mining Product Safety Signs and Labels

JB/T 5000.3 General technical requirements for heavy machinery Part 3: Welded parts

MT/T 98 Inspection specification for hoses and hose assemblies for hydraulic supports

MT/T 113 General test methods and judgment rules for flame retardancy and antistatic properties of polymer products used in underground coal mines

MT/T 154.1 Coal mine electromechanical product model compilation method Part 1: Guidelines

MT/T 291.1 Inspection specification for transmission gearbox of cantilevered roadheader

MT/T 459 General technical requirements for hydraulic components for coal mining machinery

MT/T 818.5 Cables for coal mines Part 5: Mobile flexible cables with rated voltages up to and including 0.66/1.14 kV

MT/T 818.9 Coal mine cables Part 9: Mobile light flexible cables for coal mines with rated voltage 0.3/0.5kV

MT/T 818.12 Coal mine cables Part 12: Polyvinyl chloride insulated power cables for coal mines with rated voltages up to and including 1.8/3kV cable

MT/T 818.14 Flame-retardant cables for coal mines Unit 3.Flame-retardant communication cables for coal mines