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GB/T 13813-2023: Testing method and judging rule of safety to friction spark of metallic material for coal mine
Status: Valid GB/T 13813: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13813-2023 | English | 539 |
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Testing method and judging rule of safety to friction spark of metallic material for coal mine
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GB/T 13813-2023
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| GB/T 13813-2008 | English | 679 |
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Testing method and judging rule of safety to friction spark of metallic material for coal mine
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GB/T 13813-2008
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| GB/T 13813-2001 | English | 559 |
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Testing method and judging rule of safety to friction spark of metallic material for coal mine
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GB/T 13813-2001
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| GB 13813-1992 | English | RFQ |
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Testing method and judging rule of safety to friction spark of metallic material for coal mine
| Obsolete |
GB 13813-1992
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PDF similar to GB/T 13813-2023
Basic data | Standard ID | GB/T 13813-2023 (GB/T13813-2023) | | Description (Translated English) | Testing method and judging rule of safety to friction spark of metallic material for coal mine | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D15 | | Classification of International Standard | 13.220.40 | | Word Count Estimation | 26,216 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 13813-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 13813-2023: Testing method and judging rule of safety to friction spark of metallic material for coal mine
---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 13:220:40
CCSD15
National Standards of People's Republic of China
Replacing GB/T 13813-2008
Safety of Friction Sparks of Metal Materials Used in Coal Mine
Test Method and Judgment Rules
Released on 2023-05-23
2023-12-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Flammable gas for testing 2
5 test equipment 2
6 Test environmental conditions 3
7 Test method 3
8 Judgment rule 11
9 Metal material friction spark safety test 11
10 Test result expression 15
11 Inspection requirements 16
Appendix A (Normative) Sample Pattern and Quantity 17
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:
This document replaces GB/T 13813-2008 "Metal Material Friction Spark Safety Test Methods and Judgment Rules for Coal Mine", and is in line with
Compared with GB/T 13813-2008, except for structural adjustment and editorial changes, the main technical changes are as follows:
--- Deleted the definition, formula, test piece pattern, etc: related to the impact flange (see 3:2, 3:4, A:1:3:1,:2008 edition
Figure A:7);
--- Increased the test equipment, inspection requirements and test piece pattern for the analysis of the chemical element composition of metal materials (see Table 2, 11:5, A:1:6,
Table A:1);
---Added the test equipment, test methods, judgment rules, metal material friction spark safety test, substitution and test of brake friction
Parts drawings (see Table 2, 7:5, 8:5, 9:6, 10:1, A:1:5, Table A:1);
--- Changed the scope of application of the friction spark safety test of the rotor (impeller) and casing (protection ring) paired metal materials (see 9:1:1,
8:1:1 of the:2008 edition);
---Deleted the "High-speed impact test conditions for light alloy lifting container materials" for the test equipment and scope requirements for projectile quality (see
Table 2, Table 3, Table 2, Table 3 of the:2008 edition);
---Changed the principle of substitution of friction spark safety test results for equipment, instruments, meters, tools and utensils using light alloy shells (see
10:1, 10:5:4 of the:2008 edition);
--- Changed the inspection requirements of the inspection unit, deleted the modification, replacement, revocation of the certificate, etc: (see 11:1~11:5,:2008 edition
10:1, 10:2, 10:4, 10:6, 10:7);
--- Changed the outer edge dimensions of the drop weight test piece (see Figure A:3, Figure A:3 of the:2008 edition):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by China Coal Industry Association:
This document was drafted by: China Coal Science and Industry Group Chongqing Research Institute Co:, Ltd:, Chongqing Anbiao Testing Research Institute Co:, Ltd:, Anbiao National Mine
Product Safety Mark Center Co:, Ltd:, Shanxi Anrui Fan Electric Co:, Ltd:, Wolong Electric Nanyang Explosion-proof Group Co:, Ltd:
Division, Shan'an Yun Fan Co:, Ltd:, Howden Hua Engineering Co:, Ltd:, Ping An Electric Co:, Ltd:
The main drafters of this document: Yang Liang, Ju Guanggang, Deng Peng, Kong Lingang, Shi Zhiyuan, Liu Yongliang, Zhou Zhipeng, Duanmu Fengqing, Wu Xuandong,
Li Jingzhe, Li Dajiang, Chen Zhongzhong, Yang Sen, Yan Wenxue, Qin Yubing, Peng Minghui, Cheng Bo, Wang Liangjiang, Yang Huayun, Li Shaohui, Wang Fanshu, Wang Wei,
Lian Bo, Li Pan:
This document was first released in:1992, revised for the first time in:2001, revised for the second time in:2008, and this is the third revision:
Safety of Friction Sparks of Metal Materials Used in Coal Mine
Test Method and Judgment Rules
1 Scope
This document specifies the test flammable gas, test equipment, and test environment conditions for the friction spark safety test of metal materials used in coal mines:
Parts, test methods, judgment rules, metal material friction spark safety test, test result expression, inspection requirements:
This document is applicable to the friction spark safety test of metal materials used in coal mines, and the friction spark test of other metal materials in similar explosive hazardous environments:
The rubbed spark safety test can be carried out with reference to this document:
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 700 carbon structural steel
GB/T 1591 Low-alloy high-strength structural steel
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
light alloy lightaloy
The general term for alloys based on light metals such as aluminum, magnesium, and titanium with a density less than 4:5×103kg/m3:
3:2
In unit time, the outer edge of the rotating test piece slides over the arc length of the fixed test piece: Calculate according to formula (1):
v=
π·D·n
(1)
In the formula:
v --- rotational friction velocity, the unit is meter per second (m/s);
D --- the diameter of the outer edge of the rotating test piece, in meters (m);
n --- rotating speed of the test piece, the unit is revolution per minute (r/min):
3:3
The number of collisions between the rotating specimen and the fixed specimen: The rotating test piece and the fixed test piece are rubbed against each other continuously, and each time the arc length of 0:5m is slid
is one impact, calculated according to formula (2):
N=
2π·D·n·t
(2)
In the formula:
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