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NB/T 11520-2024 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 11520-2024: Stepping self-moving device for scraper transfer machine in underground coal mines
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11520-2024	279	Add to Cart	3 days	Stepping self-moving device for scraper transfer machine in underground coal mines	Valid

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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11520-2024_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11520-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 11520-2024_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11520-2024_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.