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NB/T 10524-2021 English PDF

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US$559.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 10524-2021: Experimental test method for shearers-scraper conveyers-hydraulic supports matched performance in fully mechanized mining face
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 10524-2021	559	Add to Cart	4 days	Experimental test method for shearers-scraper conveyers-hydraulic supports matched performance in fully mechanized mining face	Valid

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Basic data

Standard ID: NB/T 10524-2021 (NB/T10524-2021)
Description (Translated English): Experimental test method for shearers-scraper conveyers-hydraulic supports matched performance in fully mechanized mining face
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D92
Word Count Estimation: 24,212
Issuing agency(ies): National Energy Administration

NB/T 10524-2021: Experimental test method for shearers-scraper conveyers-hydraulic supports matched performance in fully mechanized mining face

---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.
Experimental test method for shearers-scraper convepers-hydraulic supports matched performance in fully mechanized mining face ICS 19.020 D92 Energy Industry Standards of the People's Republic of China Test method for performance test of three machines in fully mechanized mining face Released on 2021-01-07 Implementation on 2021-04-01 Issued by the National Energy Administration

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Test condition 2 5 Test principle 3 6 Test procedure 6 7 Test record and analysis 9 Appendix A (informative appendix) Sensor installation instructions 11 Appendix B (informative appendix) supporting test test diagram 13 Appendix C (Informative Appendix) Test Report Form 16 Reference 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Coal Industry Association. This standard is under the jurisdiction of the Science and Technology Development Department of China Coal Industry Association. Drafting organizations of this standard. China Coal Mining Machinery Equipment Co., Ltd., Shandong University of Science and Technology, Anhui Wanjiang Mechanical and Electrical Equipment Manufacturing Co., Ltd. Company, China Coal Beijing Coal Mining Machinery Co., Ltd., Huajin Coking Coal Co., Ltd., Zhengzhou Coal Mining Machinery Group Co., Ltd., Shanghai Coal Science Testing Technology Co., Ltd., Productivity Promotion Center of China Coal Industry Association, Liaoning Technical University. The main drafters of this standard. Zhang Qiang, Yuan Zhi, Liu Guozhu, Wang Xiaodong, Zhao Yongke, Tian Ying, Wang Jinli, Xi Lifeng, Wang Yong, Hu Denggao, Liu Junming, Hu Jianrong, Sun Rugang, Chen Sizhong, Zhou Yaohui, Zhang Bochao, Liang Dayong, Feng Xiamiao, Song Zhenduo, Mi Haoding. Test method for performance test of three machines in fully mechanized mining face

1 Scope

This standard specifies the supporting performance of the drum shearer (hereinafter referred to as the shearer), scraper conveyor and hydraulic support in a fully mechanized mining face Test conditions, test principles, test procedures, test records and analysis. This standard is applicable to the supporting performance test of the equipment after the selection of the three machines.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB 5903 Industrial closed gear oil GB 11118.1 hydraulic oil (L-HL, L-HM, L-HV, L-HS, L-HG) GB 25974.1 Coal Mine Hydraulic Support Part 1.General Technical Conditions GB/T 230.1 Rockwell Hardness Test of Metallic Materials Part 1.Test Method GB/T 34535 Lubricants, industrial oils and related products (L type) X group (lubricating grease) specification GB/T 35060 (all parts) General technical requirements for drum shearer MT76 Emulsified oil, concentrated fluid and high water-containing hydraulic fluid for hydraulic support MT/T 104-1993 Scraper conveyor type inspection specification General technical requirements for MT/T 105 scraper conveyor JJF1469 Calibration Specification for Strain Sensor Measuring Instrument Coal Mine Safety Regulations (2016 Edition) (State Administration of Work Safety Order No. 87)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Workinghaulagespeed The walking speed of the constant walking force section in the speed regulation characteristics of the shearer walking drive device. [GB/T 35060.1-2018, definition 3.4] 3.2 Haulageforce The force that drives the mining machinery to travel. [GB/T 15663.10-2008, definition 2.7] 3.3 Towingsystem A complete set of equipment for dragging cables and water pipes on coal mining machinery. 3.4 Chainspeed The average moving speed of the scraper chain. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 10524-2021_English be delivered?

Answer: Upon your order, we will start to translate NB/T 10524-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 10524-2021_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 10524-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.