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NB/T 11265-2023: Remanufactured powered support - Technical requirements
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11265-2023 | English | 259 |
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Remanufactured powered support - Technical requirements
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NB/T 11265-2023
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Basic data | Standard ID | NB/T 11265-2023 (NB/T11265-2023) | | Description (Translated English) | Remanufactured powered support - Technical requirements | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D90;D99 | | Classification of International Standard | 03.100.99 | | Word Count Estimation | 13,172 | | Date of Issue | 2023-05-26 | | Date of Implementation | 2023-11-26 | | Issuing agency(ies) | National Energy Administration | NB/T 11265-2023: Remanufactured powered support - Technical requirements---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 03.100.99
CCSD90/99
Energy Industry Standards of the People's Republic of China
Technical requirements for remanufactured hydraulic supports
Published on 2023-05-26
Implemented on 2023-11-26
Released by the National Energy Administration
Table of contents
Preface III
1 Scope 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 General requirements 2
5 Technical requirements 2
5.1 Requirements for remanufactured hydraulic support structural parts 2
5.2 Requirements for remanufactured hydraulic support columns and jacks 3
5.3 Requirements for remanufactured hydraulic support valve parts 3
5.4 Requirements for remanufacturing hydraulic support pins, guide rods and other parts 4
5.5 Requirements for remanufactured hydraulic support seals, high-pressure hoses, pipe fittings and connectors 4
5.6 Size and appearance quality requirements 4
5.7 Operational performance requirements 4
5.8 Sealing performance requirements 4
5.9 Strength performance requirements 5
6 Inspection and testing 5
6.1 Test conditions 5
6.2 Dimensional and appearance quality inspection5
6.3 Operation performance inspection 5
6.4 Sealing performance inspection 5
6.5 Strength performance inspection 5
6.6 Column and Jack Test 5
6.7 Valve test 6
6.8 Whole frame test 6
6.9 Inspection Rules 6
7 Judgment Rule 6
8 Identification and storage 6
8.1 Identification 6
8.2 Storage 7
Appendix A (Normative) Inspection and testing of the entire remanufactured hydraulic support before leaving the factory 8
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Coal Industry Association.
This document is under the jurisdiction of the Science and Technology Development Department of China Coal Industry Association.
This document was drafted by. Huaibei Mining Co., Ltd., Shandong Energy Heavy Equipment Manufacturing Group Co., Ltd., Anhui Coal Science
Research Institute, Anhui Xinhua University, China University of Mining and Technology, National Energy Shendong Coal Group Equipment Maintenance Center, Anhui University of Science and Technology.
The main drafters of this document. Ge Chungui, Liang Guozhi, Ren Xiangjun, Zhu Lezhang, Huang Ruhang, Chen Gui, Wang Qing, Dai Zhaobin, Dai Xikui, Li Weilong,
Yang Daozhao, Zhang Canming, Chen Xiao, Sun Xiuzhu, Wang Yajun, Wang Zhongbin, Luo Yu, Liu Peng, Cao Chengming, Zhang Bin, Cheng Yanhai, Wang Jianwen, Li Gang, Nie Jianwei,
Zhang Tongxin, Xia Chenyang, Zhang Fenfen, Wang Yawen, Zhao Lei, Liu Kai, Zhang Wenyang, Zhao Zhimei.
Technical requirements for remanufactured hydraulic supports
1 Scope
This document specifies the general requirements, technical requirements, inspection and testing, determination rules, marking and storage of remanufactured hydraulic supports.
This document applies to remanufacturing, quality inspection, and product acceptance of hydraulic supports.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 8923.1 Visual assessment of surface cleanliness of steel surface preparation before application of coatings Part 1.Uncoated steel
Rust grade and treatment grade of steel surface after surface and complete removal of original coating
GB/T 11345 Non-destructive testing of welds, ultrasonic testing technology, testing levels and assessments
GB/T 15822.1 Non-destructive testing and magnetic particle testing Part 1.General principles
GB 25974.1-2010 Hydraulic supports for coal mines Part 1.General technical conditions
GB/T 25974.2-2010 Hydraulic supports for coal mines Part 2.Technical conditions for columns and jacks
GB/T 25974.3-2010 Hydraulic supports for coal mines Part 3.Hydraulic control systems and valves
GB/T 28618-2012 General technical requirements for remanufacturing of mechanical products
GB/T 28619 Remanufacturing terminology
MT76 emulsified oil, concentrate and high water content hydraulic fluid for hydraulic supports (columns)
MT/T 98 Specification for inspection of hoses and hose assemblies for hydraulic supports
MT/T 587-2011 Technical conditions for manufacturing hydraulic support structural parts
MT/T 1097-2008 Technical specifications for maintenance of mechanical and electrical equipment in coal mines
3 Terms and definitions
Those defined in GB 25974.1-2010, GB/T 25974.2-2010, GB/T 25974.3-2010 and GB/T 28619 and the following
Terms and definitions apply to this document.
3.1
Hydraulic supports formed through remanufacturing processes and meet relevant technical requirements.
3.2
Use advanced and applicable remanufacturing technology to carry out professional repair and transformation of waste hydraulic supports, so that their quality characteristics are no less than those of new prototypes.
the process of.
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