GB/T 31050-2014 English PDF

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GB/T 31050-2014: Energy efficiency test methods for metallurgy cranes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31050-2014	599	Add to Cart	5 days	Energy efficiency test methods for metallurgy cranes	Valid

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Basic data

Standard ID: GB/T 31050-2014 (GB/T31050-2014)
Description (Translated English): Energy efficiency test methods for metallurgy cranes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J80
Classification of International Standard: 53.020.20
Word Count Estimation: 26,212
Date of Issue: 12/12/2014
Date of Implementation: 6/1/2015
Quoted Standard: GB/T 6974.1
Regulation (derived from): National Standards Bulletin 2014 No. 30
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the energy efficiency test method metallurgical crane. This Standard applies to JB /T 7688 (all parts) specified metallurgical cranes (hereinafter referred to as the crane), other power-driven bridge crane can also refer to use.

GB/T 31050-2014: Energy efficiency test methods for metallurgy cranes

---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.
(Metallurgical crane energy efficiency test method) ICS 53.020.20 J80 National Standards of People's Republic of China Metallurgical Crane Energy Efficiency Test Methods Issued on. 2014-12-22 2015-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee crane (SAC/TC227) centralized. This standard is drafted by. Beijing Materials Handling Design Institute, Taiyuan Heavy Machinery Group Co., Ltd., the National Transportation lifting Machinery Quality Supervision and Inspection Center. Participated in the drafting of this standard. Shanghai SCCW Co., Ltd. Zhuzhou bridge cranes. The main drafters. Zhang Haokun, Liuhuan Jiang, Tao Tianhua, Yaozhen Nan, Wang Shunting, Chang, Lui Fong. Metallurgical Crane Energy Efficiency Test Methods

1 Scope

This standard specifies the energy efficiency test method metallurgical crane. This standard applies to JB/T 7688 (all parts) specified metallurgical cranes (hereinafter referred to as the crane), other power-driven bridge You can also refer to the use of cranes.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6974.1 crane terminology - Part 1. General terms

3 Terms and Definitions

GB/T 6974.1 and define the following terms and definitions apply to this document. 3.1 Supplying energy supplyenergy Crane according to test method requirements to complete a test cycle, the actual power consumed. 3.2 Effective energy nominal value nominalvalueofeffectiveenergy When the crane to complete a test cycle according to test method requirements, effective energy provided. 3.3 Energy efficiency of nominal value nominalvalueofenergyefficiency When the crane to complete a test cycle according to test method requirements, the nominal value of the effective energy supply and energy ratio.

4 Test Conditions

4.1 Prototype testing requirements Prototype test qualified products should normally be used. 4.2 Test environment requirements Crane test environment should be under the corresponding product standards for working conditions, and shall meet the following requirements. a) wind speed should be less than 3m/s; b) an ambient temperature of 20 ℃ ~ 40 ℃; c) test load mass with a predetermined value of deviation should not exceed ± 5%, when the arbitration test deviation should not exceed ± 1%; and test load hanging With mass accuracy of ± 1%; d) power supply system crane feeder line access at the rated voltage fluctuations should not exceed ± 10%, three-phase voltage unbalance rate is not Should be greater than 1.5%; ......

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