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NB/T 11520-2024: Stepping self-moving device for scraper transfer machine in underground coal mines
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11520-2024 | English | 279 |
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Stepping self-moving device for scraper transfer machine in underground coal mines
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NB/T 11520-2024
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Basic data | Standard ID | NB/T 11520-2024 (NB/T11520-2024) | | Description (Translated English) | Stepping self-moving device for scraper transfer machine in underground coal mines | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D93 | | Classification of International Standard | 73.100.99 | | Word Count Estimation | 13,120 | | Date of Issue | 2024-05-24 | | Date of Implementation | 2024-11-24 | | Issuing agency(ies) | National Energy Administration | NB/T 11520-2024: Stepping self-moving device for scraper transfer machine in underground coal mines
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 73.100.99
CCSD93
Energy Industry Standards of the People's Republic of China
Stepping self-moving device for scraper transfer machine in coal mine
Released on 2024-05-24
Implementation on November 24, 2024
The National Energy Administration released
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Composition, model and basic parameters 2
5 Technical Requirements 3
6 Test methods 4
7 Inspection Rules 6
8 Marking, packaging, transportation, storage 7
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.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Coal Industry Association.
This document is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee.
This document was drafted by. Ningxia Tiandi Benniu Industrial Group Co., Ltd., Taiyuan Coal Science and Technology Testing Technology Co., Ltd., China Coal Science and Technology Group
Tuan Taiyuan Research Institute Co., Ltd. and China Coal Zhangjiakou Coal Mine Machinery Co., Ltd.
The main drafters of this document are. Wu Lizhong, Zhang Niansheng, Wang Chunsheng, Shi Lan, Song Yan, Jia Dongsheng, Jia Yongling, Fu Zhihui, Gong Wen, and Zheng Yang.
Stepping self-moving device for scraper transfer machine in coal mine
1 Scope
This document specifies the composition and model of the step-by-step self-propelled device for the scraper transfer machine in underground coal mines (hereinafter referred to as the step-by-step self-propelled device).
Technical requirements, inspection rules, marking, packaging, transportation and storage, and describes the corresponding test methods.
This document applies to the design, manufacture and inspection of self-propelled stepping devices.
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 191 Pictorial markings for packaging, storage and transportation
GB/T 3683 Rubber hoses and hose assemblies for oil-based or water-based fluids, wire braided reinforced hydraulic type specification
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 13306 Labels
GB/T 25974.2 Hydraulic supports for coal mines Part 2.Technical requirements for columns and jacks
GB/T 25974.3 Hydraulic supports for coal mines Part 3.Hydraulic control systems and valves
GB/T 37400.3 General technical requirements for heavy machinery Part 3.Welded parts
AQ1043 Mining Product Safety Signs and Labels
MT/T 76 Emulsified oil, concentrated oil and high water content hydraulic fluid for hydraulic supports
MT/T 98 Inspection specification for hoses and hose assemblies for hydraulic supports
MT/T 154.1 Method for compiling model numbers of electromechanical products for coal mines Part 1.Guidelines
MT209 General technical requirements for electrical and electronic products used for communication, detection and control in coal mines
MT/T 210 Basic test methods for electrical and electronic products used for communication, detection and control in coal mines
MT/T 986 Mining U-pin quick connectors and accessories
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
steppingself-moving
The guide rail of the stepping self-moving device and the scraper transfer machine for the chute are used as fulcrums to achieve self-movement.
3.2
seatbody
Components installed on both sides of the scraper loader for chute to support, travel and lift.
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