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GB/T 31704-2015: Automatic loader weighing instruments
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31704-2015 | English | 379 |
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Automatic loader weighing instruments
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GB/T 31704-2015
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Basic data | Standard ID | GB/T 31704-2015 (GB/T31704-2015) | | Description (Translated English) | Automatic loader weighing instruments | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N13 | | Classification of International Standard | 17.100 | | Word Count Estimation | 18,115 | | Date of Issue | 2015-06-02 | | Date of Implementation | 2016-01-01 | | Quoted Standard | GB/T 191; GB 4208; GB/T 7724; GB/T 13384; GB 14249.1; GB/T 14250; GB/T 18806; GB/T 26389; GB/T 27739-2011 | | Adopted Standard | OIML R51-2006, NEQ | | Regulation (derived from) | National Standard Announcement 2015 No.19 | | 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 loader electronic scales (hereinafter referred to as "the instrument") terms, product type, requirements, test methods and rules, marking, packaging, transportation and storage. This Standard applies to the pressure sensor installed in the top of the front wheel loader lift cylinder on the run in automatic mode, by measuring the indirect measurement of the hydraulic lifting cylinder bucket load of material quality of the instrument. | GB/T 31704-2015: Automatic loader weighing instruments---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.
Automatic loader weighing instruments
ICS 17.100
N13
National Standards of People's Republic of China
Loader Electronic Scale
(OIMLR51.2006, Automaticcatchweighinginstrument, NEQ)
Issued on. 2015-06-02
2016-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Model 2
5 measurement requirements 2
5.1 accuracy class 3
5.2 Minimum weighing 3
5.3 Division value 3
5.4 The maximum permissible error 3
5.5 error distribution 4
5.6 Influence factor tests The maximum permissible error 4
Units of measurement 5.7 4
Allow the difference between the results of weighing 5.8 4
5.9 Impact Factor 5
6 Technical requirements 5
6.1 Conditions 5
6.2 Applicability of 6
6 6.3 Operating reliability
Durability 6 6.4
6 6.5 Safety Performance
6.6 protection 6
Weighing 6.7 7
6.8 sensor 7
6.9 oil pressure sensor mounting flange 7
Installation 7 6.10
7 Test methods 8
7.1 Visual inspection 8
7.2 General requirements 8
9 7.3 Automatic test run
7.4 Influence factor and disturbance tests 10
11 8 Inspection Rules
8.1 Type tests 11
8.2 Type test requirements 11
8.3 factory inspection 11
9 signs, packaging, transportation and storage 12
9.1 illustrative marker 12
9.2 Verification mark 13
9.3 Package Marking 13
9.4 Packaging 13
9.5 Transport 13
9.6 Storage 13
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard reference method using redrafted OIML International Recommendation No. 51 OIMLR51.2006 "automatic weighing instrument" for
Combination of vehicles weighing the relevant requirements, combined with application status and the preparation of technical level of China's loader electronic scale. Consistent with the OIMLR51
The degree of non-equivalent (NEQ).
Please note that some content of this document may involve patents, the issuing authority of this document does not assume responsibility for the identification of these patents.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee instrument (SAC/TC97) centralized.
This standard was drafted. Hangzhou four Weighing System Co., Ltd., Hangzhou Quality and Technical Supervision and Inspection Institute, Shanxi Xinyuan Automation Instrumentation
Ltd., Beijing Institute of Metrology detection.
The main drafters of this standard. Yu River will, Nizhong Ying, Li Zhifei, who dragons, Liu Wei.
Loader Electronic Scale
1 Scope
This standard specifies the loader electronic scale (hereinafter referred to as "the instrument") terms, product model, requirements, test methods and rules, marks, packages
Loading, transport and storage.
This standard applies to the pressure sensor installed in the top front-wheel loader on the lift cylinder, automatic operation run by measuring the top
L indirect cylinder hydraulic bucket loading material quality measuring instrument.
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 191 Packaging - Pictorial signs
GB 4208 housing protection (IP Code)
GB/T 7724 Electronic weighing instruments
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB 14249.1 electronic weighing security requirements
GB/T 14250 Weighing term
GB/T 18806 total resistance strain pressure sensor specification
GB/T 26389 Scale Model methodology
GB/T 27739-2011 automatic weighing instrument
3 Terms and Definitions
GB/T 14250 and defined by the following terms and definitions apply to this document.
3.1
Automatic weighing instrument automaticcatchweighinginstrument; catchweigher
Single discrete load or load pre-packaged bulk for automatic weighing instrument.
3.2
Automatic weighing instruments automaticweighinginstrument
Without operator intervention, you can follow a predetermined processing program automatic weighing scales.
3.3
The combination of vehicles weighing vehicleincorporatedinstrument
One kind of instrument, the same portion of their vehicles and the load common parts (levers, connectors and power converters, etc.), is an automatic weighing instrument
Kinds of patterns.
3.4
Loader Electronic Scale loaderweighinginstrument
A vehicle combination instrument mounted on the front loader, as in some parts of the loader force transmission mechanism can be installed correctly in bulk when
Load volume measuring device set Bucket (carrier) in the bulk material.
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