NB/T 11143-2023Anchor (cable) stress sensor for mine (English PDF)
矿用锚杆(索)应力传感器
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
February 6, 2023
Implementation date
August 6, 2023
Scope
NB/T 11143-2023 is the English-translated version of 矿用锚杆(索)应力传感器.
NB/T 11143-2023 is the Chinese energy industry product standard for stress sensors that measure the load carried by rock bolts and anchor cables in mines. It specifies product model and classification, technical requirements, test methods, inspection rules, and marking, packaging, transport and storage.
Environmental testing refers to the GB/T 2423 methods, enclosure protection to GB/T 4208, explosion protection to the GB/T 3836 series and general mining electrical equipment to GB/T 12173.
Periodic inspection sampling follows GB/T 2829, and connection to monitoring networks is tied to the coal mine information transmission devices of MT/T 899. The document applies to all mine bolt and cable stress sensors within its title. Issued on 6 February 2023, it has applied since 6 August 2023.
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Document preview — NB/T 11143-2023
National Standard of the People's Republic of China
- ICS
- 29.260.20
- Classification
- D 09
Issued by: National Energy Administration of the People's Republic of China
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Product model and classification
- 5 Technical requirements
- 6 Test method
- 7 Inspection rules
- 8 Labeling, packaging, transportation and 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 product model and classification, technical requirements, test methods, inspection rules and signs, Packaging, transportation and storage.
This document is applicable to mine bolt (cable) stress sensors (hereinafter referred to as sensor).
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 191 Packaging, storage and transportation icon marks
GB/T 2423.1-2008 Environmental testing for electrical and electronic products - Part 2 Test methods Test A. Low temperature
GB/T 2423.2-2008 Environmental testing for electrical and electronic products - Part 2 Test methods Test B. High temperature
GB/T 2423.4-2008 Environmental testing for electrical and electronic products - Part 2 Test methods Test Db Alternating damp heat (12h 12h cycle)
GB/T 2423.5-2019 Environmental Testing Part 2. Test Methods Test Ea and Guidelines. Shock
GB/T 2423.10-2019 Environmental testing Part 2. Test method Test Fc. Vibration (sinusoidal)
GB/T 2829-2002 Sampling procedure and table for periodic inspection counting (applicable to inspection of process stability)
GB/T 3836.1 Explosive atmospheres Part 1. General requirements for equipment
GB/T 3836.2 Explosive atmospheres Part 2. Equipment protected by flameproof type "d"
GB/T 3836.3 Explosive atmospheres Part 3. Equipment protected by increased safety type "e"
GB/T 3836.4-2021 Explosive atmospheres Part 4. Equipment protected by intrinsic safety type "i"
GB/T 4208 enclosure protection level (IP code)
GB/T 9969 General Rules for Instructions for Use of Industrial Products
GB/T 10111 Generation of Random Numbers and Its Application in Product Quality Sampling Inspection
GB/T 12173 General electrical equipment for mining
MT/T 210-1990 Basic test methods for electrical and electronic products for communication, detection and control in coal mines
MT/T 899 Coal mine information transmission device
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Bolt (cable) stress sensor
A device used to measure the stress on an anchor (cable).
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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
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 2423.1-2008Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2-2008Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.4-2008Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 2423.5-2019Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock
- GB/T 2423.10-2019Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
MT/T 210-1990 · MT/T 899
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Related Standards
GB/T 10111-1988 — Methods for random sampling by utilizing dices of random number
GB/T 10111-2008 — Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 12173-1990 — Mining electrical apparatus for non-hazardous area
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NB/T 11143-2023
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