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NB/T 11525-2024Technical conditions for pneumatic and electric dispatching monorail cranes (English PDF)

气动、电动调度单轨吊车技术条件

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

May 24, 2024

Implementation date

November 24, 2024

Scope

NB/T 11525-2024 is the English-translated version of 气动、电动调度单轨吊车技术条件.

NB/T 11525-2024 is the Chinese energy industry standard for pneumatic and electric dispatching monorail cranes, which run on a rail hung from the roadway roof and move equipment over short distances underground, powered by compressed air or by an electric supply unit.

It sets models and basic parameters, environmental conditions, appearance and performance requirements, and inspection methods for traction, braking force and braking distance, maximum speed, lifting beam performance, climbing ability, noise, connection strength, insulation resistance and withstand voltage, and methane alarm power-off.

Inspection rules and marking, packaging, transportation and storage complete it. It covers only cranes with fewer than three drive units, which are not to be used for carrying personnel. Issued on 24 May 2024, it has applied since 24 November 2024.

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Document preview — NB/T 11525-2024

National Standard of the People's Republic of China

ICS: 73.100.40
Classification: D 93

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Models and basic parameters
4.1 Model
4.2 Basic parameters
5 Technical Requirements
5.1 Applicable environmental conditions
5.2 Appearance Quality
5.3 Basic Requirements
5.4 Performance requirements
6 Inspection methods
6.1 Appearance Quality
6.2 Basic requirements test
6.3 Pass the capability test
6.4 Traction test
6.5 Braking force test
6.6 Maximum operating speed test
6.7 Lifting beam performance test
6.8 Braking distance test
6.9 Climbing ability test
6.10 Noise test
6.11 Connection device strength test
6.12 Circuit insulation resistance test
6.13 Circuit insulation withstand voltage test
6.14 Methane detection alarm power-off test
7 Inspection Rules
7.1 Inspection categories
7.2 Factory Inspection
7.3 Type inspection
7.4 Decision Rules
8 Marking, packaging, transportation and storage
8.1 Signs
8.2 Packaging
8.3 Transportation
8.4 Storage

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, technical requirements, inspection rules and marking, packaging, transportation of pneumatic and electric dispatching monorail cranes. and storage, and describes the corresponding inspection methods.

This document only covers monorail cranes with less than three drive units and cannot be used for the transport of personnel.

This document applies to pneumatic and electric short-distance dispatching monorail cranes (hereinafter referred to as "monorail cranes").

2 Normative references

The contents of the following documents constitute 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 3836.4 Explosive atmospheres Part 4: Equipment protected by intrinsic safety type "i"

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

GB/T 13306 Labels

AQ1043 Mining Product Safety Signs and Labels

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 334 Explosion-proof special power supply device for lead-acid batteries in coal mines

MT/T 661-2011 General technical requirements for electrical equipment used in underground coal mines

MT818.1 Coal mine cables Part 1: General provisions for mobile flexible cables

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

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Pneumatic dispatching monorail crane

Suspended on the hanging rail on the top of the tunnel, it uses dragged compressed air as its power source and is mainly used for short-distance dispatching and transportation equipment underground.

Note: Its main components are driving device, braking device, lifting beam, connecting device, etc.

3.2 Electric dispatching monorail crane

It is suspended on the hanging rail of the tunnel roof, with a towing electric or power supply device as the power source, and is mainly used for short-distance dispatching and transportation underground. equipment.

Note: Its main components are power supply unit, electric control box, drive unit, brake device, lifting beam, connecting device, etc.

3.3 Drive device

A complete set of equipment with a pneumatic motor or an electric motor as the core, which provides driving force for the monorail crane.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

AQ1043 · MT/T 113 · MT818.1 · MT/T 818.9

Similar standards

GB/T 44788-2024|GB/T 39956.1-2021|GB/T 30222-2013

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