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GB/T 17491-2023: Hydraulic fluid power - Pumps, motors - Methods of testing steady-state performance
Status: Valid GB/T 17491: Evolution and historical versions
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| GB/T 17491-2023 | English | 444 |
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Hydraulic fluid power - Pumps, motors - Methods of testing steady-state performance
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GB/T 17491-2023
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| GB/T 17491-2011 | English | 150 |
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Hydraulic fluid power -- Positive displacement pumps, motors and integral transmissions -- Methods of testing and presenting basic steady state performance
| Obsolete |
GB/T 17491-2011
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| GB/T 17491-1998 | English | 839 |
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Hydraulic fluid power--Positive displacement pumps, motors and integral transmissions--Determination of steady-state performance
| Obsolete |
GB/T 17491-1998
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PDF similar to GB/T 17491-2023
Basic data | Standard ID | GB/T 17491-2023 (GB/T17491-2023) | | Description (Translated English) | Hydraulic fluid power - Pumps, motors - Methods of testing steady-state performance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J20 | | Classification of International Standard | 23.100.10 | | Word Count Estimation | 24,295 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Older Standard (superseded by this standard) | GB/T 17491-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17491-2023: Hydraulic fluid power - Pumps, motors - Methods of testing steady-state performance
---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.
ICS23:100:10
CCSJ20
National Standards of People's Republic of China
GB/T 17491-2023/ISO 4409:2019
Replacing GB/T 17491-2011
Steady-state performance of hydraulic transmission pumps and motors
experiment method
performance
(ISO 4409:2019,Hydraulicfluidpower-Positive-displacementpumps,
2023-03-17 release 2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols and units 2
5 test 2
5:1 Requirement 2
5:2 Pump test 4
5:3 Motor test 6
5:4 Test of integral transmission 7
6 Expression of results 9
6:1 General 9
6:2 Pump test 9
6:3 Motor test 10
6:4 Integral transmission test 10
7 Labeling instructions 11
Appendix A (Normative) Error and Measurement Accuracy Class 12
Appendix B (Informative) Pre-Test Checklist 13
Appendix C (informative) Recommended format for reporting test data14
Reference 19
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 17491-2011 "Tests and expression methods for steady-state performance of hydraulic pumps, motors and integral transmissions", and
Compared with GB/T 17491-2011, the main technical changes are as follows:
a) Changed the terms and definitions (see Chapter 3, Chapter 3 of the:2011 edition);
b) Changed the regulations on symbols and units (see Chapter 4, Chapter 4 of the:2011 edition);
c) The requirements for pressure measurement in pipelines have been changed (see 5:1:1, 5:1:1 of the:2011 edition), and the requirements for flow measurement in pipelines have been added
(see 5:1:1), delete "test conditions" and change its content to "note" (see 5:1:1, 5:1:3 of the:2011 edition);
d) Added the test fluid specifications of "test oil" (see Table 2);
e) Changed the test circuit diagram (see Figures 1 to 4, Figures 1 to 4 of the:2011 edition);
f) Deleted "atmospheric pressure" (see 5:1:6 of the:2011 edition);
g) Added "pump inlet pressure" (see 5:1:7);
h) Deleted "test measurement" (see 5:1:9 of the:2011 edition);
i) "Hydraulic Mechanical Efficiency" was deleted from the test results (see Chapter 6 of the:2011 edition), and "ambient temperature" was added (see Chapter 6):
This document is equivalent to ISO 4409:2019 "Tests for the basic steady-state performance of positive displacement pumps, motors and integral transmissions in hydraulic transmissions":
Test and expression method":
The following minimal editorial changes have been made to this document:
---Change the name of the standard to "Test method for steady-state performance of hydraulic transmission pumps and motors";
--- Deleted the unit "bar" "psi" and the corresponding value;
--- Deleted footnotes a, b, c of Table 1 and footnote b of Table 4;
--- Changed the dated reference method of ISO 4391, which is consistent with Chapter 2;
---ISO 4409:2019 A:3 cites the reference [1] is wrong, the correct one is to cite the reference [8], so the reference will be cited
Literature listed directly;
---Change the temperature unit "K" to "℃", consistent throughout the text:
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 by China Machinery Industry Federation:
This document is under the jurisdiction of the National Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3):
This document is drafted by: Beijing Huade Hydraulic Industry Group Co:, Ltd:, Zhejiang University, Shenzhen Kesten Hydraulic Equipment Co:, Ltd:
Division, Xiamen University, Ningbo Product Food Quality Inspection Institute (Ningbo Fiber Inspection Institute), Zhejiang Yongling Hydraulic Machinery Co:, Ltd:, Sichuan
Aerospace Fenghuo Servo Control Technology Co:, Ltd:, Anhui Jiale Construction Machinery Co:, Ltd:, Guangzhou Huaxin Hydraulic Co:, Ltd:, Sichuan Chuanrun Liquid
Pressure Lubricating Equipment Co:, Ltd:, Xi'an Libeian Intelligent Technology Co:, Ltd:, Yiwu Yuantai Intelligent Technology Co:, Ltd:, Beijing Machinery Industry Automatic
Chemical Research Institute Co:, Ltd:
The main drafters of this document: Zhou Yu, Xu Bing, Wang Xueguo, Ye Shaoqian, Zheng Zhijian, Wu Jianfeng, Chen Yi, Yu Changhe, Ji Yulong, Liu Songlin,
Deng Weihong, Sun Shengxi, Jiao Ling, Cao Qiaohui, Luo Jing:
This document was first published in:2011, and this is the first revision:
Introduction
In a hydraulic transmission system, power is transmitted and controlled by means of pressurized fluid in a closed circuit: A pump is a mechanical work that will rotate
The element that converts the rate into hydraulic power: A motor is an element that converts hydraulic power into rotational mechanical power: Integral transmission (hydrostatic
Drive device) is a device formed by one or more hydraulic pumps and motors and appropriate control elements:
With very few exceptions, all hydraulic pumps and motors are positive displacement, that is, they have an internal sealed
It can maintain a relatively constant ratio between the speed and the oil flow in a wide pressure range: Usually have a gear, vane or plunger structure:
Non-volumetric elements, such as centrifugal or turbine, are rarely used in hydraulic transmission systems:
According to whether the displacement of the pump and motor can be adjusted, it can be divided into quantitative type or variable type: The purpose of this document is to harmonize the
Test methods for pumps, motors and integral transmissions in order to make the performance of different components comparable:
Steady-state performance of hydraulic transmission pumps and motors
experiment method
1 Scope
This document describes a method for determining the performance of positive displacement pumps, motors and integral transmissions for hydraulic transmissions, including testing under steady-state conditions:
Test equipment, test program requirements and expression of test results:
This document applies to positive displacement hydraulic pumps, motors and integral transmissions with continuously rotating shafts:
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:
ISO 1219-1 Fluid power systems and components Graphical symbols and circuit diagrams Part 1: For general use and data processing
Note: GB/T 786:1-2021 Graphical symbols and circuit diagrams of fluid transmission systems and components Part 1: Graphical symbols (ISO 1219-1:2012, IDT)
Note: GB/T 17485-1998 Hydraulic pumps, motors and overall transmission parameter definitions and letters (idtISO 4391:1983)
Note: GB/T 17446-2012 Fluid Power System and Component Vocabulary (ISO 5598:2008, IDT)
Note: JB/T 7033-2007 General Rules for Hydraulic Transmission Measurement Technology (ISO 9110-1:1990, MOD)
ISO 9110-2 Hydraulic transmission measurement technology Part 2: Measurement of average steady-state pressure in a closed circuit (Hydraulic
closed conduit)
Note: GB/T 22133-2008 Fluid flow measurement flowmeter performance expression method (ISO 11631:1998, IDT)
3 Terms and Definitions
The terms and definitions defined in ISO 4391 and ISO 5598 apply to this document:
ISO and IEC maintain terminology databases for standardization at:
---ISO online browsing platform: http://www:iso:org/obp
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