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GB/T 19073-2018Wind turbine -- Design requirements for gearbox (English PDF)

Also coversGBT19073-2018

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

February 6, 2018

Implementation date

September 1, 2018

Scope

GB/T 19073-2018 (Wind turbine -- Design requirements for gearbox) is available as an English-translated PDF.

GB/T 19073-2018 — This standard is applicable to closed speed-increasing gearboxes of horizontal shaft wind turbine power trains with rated power greater than 500 kW. this The standard applies to wind turbine gearboxes installed on land or at sea. This standard provides guidance for load analysis of gear and gearbox components designed in wind turbines. The gear parts to which this standard applies include. parallel shafts in the main drive chain and planetary gears, such as spur gears, helical gears or herringbone teeth. wheel. This standard does not apply to gear power take-off devices (PTO). This standard is based on the design of a gearbox using rolling bearings. The use of plain bearings allows reference to this standard, but this standard does not include slippage. Evaluation of the use of moving bearings. This standard also provides engineering guidance for shaft, shaft and hub interfaces, bearings and gearbox housing structures in a fully integrated design. Its poor operating conditions. In addition to type testing and product testing, this standard also includes lubrication of the transmission. Finally, this standard also applies to the operation of the gearbox. Maintenance provides guidance.

Document preview — GB/T 19073-2018

National Standard of the People's Republic of China

ICS: 27.180
Classification: F 11

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 terms and definitions, conventions
3.1 Terms and definitions
3.2 Convention

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 19073-2008 "Wind Generator Gearbox", compared with GB/T 19073-2008, the main technology

The differences are as follows.

---Modified standard name;

--- Normative references have been added to the referenced ISO and DIN standards (see Chapter 2);

--- Add "terms and definitions, conventions" (see Chapter 3);

--- Add "symbols and abbreviations" (see Chapter 4);

--- Increase the "reliability design" (see Chapter 5);

--- Increase "transmission chain operating conditions and loads" (see Chapter 6);

--- "Design verification" instead of "test methods and inspection rules" (see Chapter 8, Chapter 4 of the.2008 edition);

--- "Operation, service and maintenance requirements" instead of "the installation and use of the gearbox in the unit" "marks, instructions for use" and "packaging, transport

Loss and storage" (see Chapter 9, Chapter 5, Chapter 7 of the.2008 edition);

--- "Example of transmission chain interface and load specification" instead of "Guidelines for strength assessment of main parts of gearbox" (see Appendix A,.2008 edition)

Appendix A);

--- "Considerations in the design and manufacture of gearboxes" instead of "lubrication and monitoring" (see Appendix B, Appendix B of the.2008 edition);

--- "Bearing selection considerations" instead of "bearing selection and configuration form" and "bearing stress calculation" (see Appendix C,.2008 edition)

Appendix C);

--- "Notes on the design of the gearbox structural components" instead of "bearing stress calculation" (see Appendix D, Appendix D of the.2008 edition);

--- "Wind generators recommendations on the performance of wind turbine gearbox lubricants" instead of "quality assurance" (see Appendix E,.2008)

Appendix E);

---Add "design certification documents" (see Appendix F);

--- Increase the "bearing calculation file" (see Appendix G).

This standard uses the translation method equivalent to IEC 61400-4.2012 "Wind Generator Section 4. Gearbox Design Requirements" (English)

Version).

The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows.

---GB/T 3505-2009 Product Geometry Specifications (GPS) Surface structure profiling terms, definitions and surface structures

Parameters (ISO 4287.1997, IDT)

---GB/T 4662-2012 Rolling bearing rated static load (ISO 76.2006, IDT)

---GB/T 6379.2-2004 Accuracy of measurement methods and results (accuracy and precision) Part 2. Determination of standard

Basic method of repeatability and reproducibility of quantity methods (ISO 5725-2.1994, IDT)

GB/T 6404.1-2005 - Acceptance specification for gear units - Part 1. Test specification for airborne noise (ISO 8579-

1.2002, IDT)

--- GB /Z 6413.1-2003 Calculation method for gluing load capacity of cylindrical gears, bevel gears and hypoid gears - Part 1.

Flash temperature method (ISO /T R13989-1.2000, IDT)

--- GB /Z 6413.2-2003 Calculation method for gluing load capacity of cylindrical gears, bevel gears and hypoid gears - Part 2.

Integral temperature method (ISO /T R13989-2.2000, IDT)

--- GB/T 10095.1-2008 Precision of cylindrical gears - Part 1. Definitions and permissible values

(ISO 1328-1.1995, IDT)

---GB/T 10610-2009 Product Geometry Technical Specification (GPS) Surface structure profiling method for assessing surface structure

And methods (ISO 4288.1996, IDT)

---GB/T 14039-2002 Hydraulic transmission oil solid particle pollution level code (ISO 4406.1999, MOD)

---GB/T 17879-1999 Surface tempering corrosion test after gear grinding (idtISO 14104.1995)

--- GB /Z 18620.3-2008 Specification for the implementation of cylindrical gears - Part 3. Gears, axial distance and axis parallelism

Inspection (ISO /T R10064-3.1996, IDT)

---GB /Z 19414-2003 Industrial closed gear transmission (ISO /T R13593.1999, IDT)

---GB /Z 25426-2010 Wind turbine generator load measurement (IEC /T S61400-13.2001, MOD)

---GB/T 31517-2015 Offshore wind turbine design requirements (IEC 61400-3.2009, IDT)

This standard has been edited as follows.

---Modified standard name;

--- Amend the missing reference standards ISO 10474, EN10204, ISO 8579-1 and ISO 8579-2 in Chapter 2.

This standard was proposed by the China Machinery Industry Federation.

This standard is under the jurisdiction of the National Wind Machinery Standardization Technical Committee (SAC/TC50).

This standard was drafted. Nanjing High Speed Gear Manufacturing Co., Ltd., Institute of Wind Energy Technology, Shenyang University of Technology, Chongqing Gearbox Co., Ltd.

Ren, Hangzhou Advance Gearbox Group Co., Ltd., Zhejiang Yunda Wind Power Co., Ltd., Dongfang Electric Wind Power Co., Ltd., Guodian

United Power Technology Co., Ltd., Gemei Wind Power (Tianjin) Co., Ltd.

1 Scope

This standard is applicable to closed speed-increasing gearboxes of horizontal shaft wind turbine power trains with rated power greater than 500 kW. this

The standard applies to wind turbine gearboxes installed on land or at sea.

This standard provides guidance for load analysis of gear and gearbox components designed in wind turbines.

The gear parts to which this standard applies include. parallel shafts in the main drive chain and planetary gears, such as spur gears, helical gears or herringbone teeth.

wheel. This standard does not apply to gear power take-off devices (PTO).

This standard is based on the design of a gearbox using rolling bearings. The use of plain bearings allows reference to this standard, but this standard does not include slippage.

Evaluation of the use of moving bearings.

This standard also provides engineering guidance for shaft, shaft and hub interfaces, bearings and gearbox housing structures in a fully integrated design.

Its poor operating conditions.

In addition to type testing and product testing, this standard also includes lubrication of the transmission. Finally, this standard also applies to the operation of the gearbox.

Maintenance provides guidance.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 3480.5-2008 Calculation of load capacity of spur and helical gears - Part 5. Strength and mass of materials (ISO 6336-5.

2003, IDT)

GB/T 6391-2010 Dynamic load ratings and rating life of rolling bearings (ISO 281.2007, IDT)

GB/T 18451.1-2012 Wind turbine design requirements (IEC 61400-1.2005, IDT)

GB/T 19936.1-2005 Gears FZG test procedures - Part 1. s.

Act A/8.3/90 (ISO 14635-1.2000, IDT)

GB/T 24611-2009 Rolling bearing damage and failure terminology, characteristics and causes (ISO 15243.2004, IDT)

IEC 60050 (all parts) International electrotechnical vocabulary (International Electrotechnicalvocabulary), cited from http.//

Electropedia.org

IEC 61400-3 Wind turbines - Part 3. Design requirements for offshore wind turbines (Windturbines-Part 3. De-

Signrequirementsforoffshorewindturbines)

IEC /T S61400-13.2001 Wind turbines Part 13. Mechanical load measurement (Windturbinegeneratorsys-

tems-Part 13. Measurementofmechanicalloads)

IEC 61400-22.2010 Wind turbines Part 22. Conformance testing and certification (Windturbines-Part 22.

Conformitytestingandcertification)

ISO 76 rolling bearing rated static load (Rolingbearings-Staticloadratings)

ISO 683 (all parts) Heat-treated steel, alloy steel and free-cutting steel (Heat-treatablesteels, aloysteelsandfree-

Cuttingsteels)

ISO 1328-1 ISO DIN EN ISO DIN EN ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO

dricalgears-ISO systemofaccuracy-Part 1. Definitionsandalowablevaluesofdeviationsrelevant

Tocorrespondingflanksofgearteeth)

ISO 4287 Product Geometry Specification (GPS) Surface Texture. Section Method Terms, Definitions, and Surface Texture Parameters [Geometrical]

ProductSpecifications(GPS)-Surfacetexture.Profilemethod-terms,definitionsandsurfacetextureparam-

Eters]

ISO 4288 Product Geometry Specification (GPS) Surface Texture. Rules and Procedures for Profile Surface Texture Evaluation [Geomet-

ricalProductSpecifications(GPS)-Surfacetexture.Profilemethod-rulesandproceduresfortheas-

Sessmentofsurfacetexture]

ISO 4406 Hydraulic fluid power fluid solid particle pollution classification coding method (Hydraulicfluidpower-Fluids-

Methodforcodingthelevelofcontaminationbysolidparticles)

Accuracy of measurement methods and results of ISO 5725-2 Part 2. Basic test for reproducibility and reducibility of standard measurement methods

Method [Accuracy (truenessandprecision)ofmeasurementmethodsandresults-Part 2.Basic

Methodsforthedeterminationofrepeatabilityandreproducibilityofastandardmeasurementmethod]

ISO 6336 (all parts) Calculation of load carrying capacity of spur and helical gears (Calculationofloadcapacityofspur

Andhelicalgears)

ISO 6336-1.2006 Calculation of load carrying capacity of spur and helical helical gears - Part 1. Basic principles, introduction and general influence

Factors (Calculationofloadcapacityofspurandhelicalgears-Part 1.Basicprinciples,induction

Generalinfluencefactors)

ISO 6336-2.2006 Calculation of load carrying capacity of spur and helical helical gears - Part 2. Calculation of surface durability [Calcula-

tionofloadcapacityofspurandhelicalgears-Part 2.Calculationofsurfacedurability(pitting)]

ISO 6336-3.2006 Calculation of load capacity of spur and helical gears - Part 3. Calculation of root bending strength (Cal-

culationofloadcapacityofspurandhelicalgears-Part 3.Calculationoftoothbendingstrength)

ISO 6336-6.2006 Calculation of load capacity of spur and helical gears - Part 6. Life calculations for variable load conditions

(Calculationofloadcapacityofspurandhelicalgears-Part 6.Calculationofservicelifeundervariable

Load)

ISO 8579-1 Acceptance specification for gear units - Part 1. Test specification for airborne noise (Acceptancecodefor

gearunits-Part 1.Testcodeforairbornesound)

ISO 8579-2. Acceptance specifications for gear units - Part 2. Determination of mechanical vibrations of gear units in acceptance tests (Acceptance

codeforgears-Part 2.Determinationofmechanicalvibrationsofgearunitsduringacceptancetesting)

ISO /T R10064-3 Inspection procedures for the use of cylindrical gears - Part 3. Gear blanks, axial distances and parallelisms

Suggestions (Cylindricalgears-Codeofinspectionpractice-Part 3. Recommendationsrelativetogearblanks,

Shaftcentredistanceandparalelismofaxes)

ISO 10474 steel and steel finished product inspection documents (Steelandsteelproducts-Inspectiondocuments)

ISO 12925-1 Lubricants, industrial oils and related (L) products, (gears) C. Part 1. Lubrication for closed gear systems

Agent specifications [Lubricants, industrialoilsandrelatedproducts(classL).FamilyC(Gears)-Part 1.Specifi-

Cationsforlubricantsforenclosedgearsystems]

ISO /T R13593 Industrial Closed Gear Transmission (Enclosedgeardrivesforindustrialapplications)

ISO /T R13989-1 Calculation of the splicing load capacity of cylindrical, bevel and hypoid. Part 1 . Instantaneous temperature method (Cal-

Culationofscuffingloadcapacityofcylindrical,bevelandhypoidgears-Part 1.Flashtemperature

Method)

ISO /T R13989-2 Calculation of the biting load capacity of cylindrical, bevel and hypoid gears - Part 2. cumulative temperature method (Cal-

Culationofscuffingloadcapacityofcylindrical,bevelandhypoidgears-Part 2.Integraltemperature

Method)

ISO 14104 surface temper erosion inspection after gear polishing (Gears-Surfacetemperetchinspectionaftergrind-

Ing)

ISO /T S16281.2008 Method for calculation of reference values for modified rated life of rolling bearing universal load bearing (Rolingbear-

ings-Methodsforcalculatingthemodifiedreferenceratinglifeforuniversalyloadedbearings)

AGMA9005 Industrial Gear Lubrication (Industrialgearlubrication)

ANSI/AGMA925-A02 Effect of Tooth Surface Lubrication Failure (Effectoflubricationongearsurfacedistress)

ANSI/AGMA6001-E10 Design and Selection of Closed Gear Transmissions (Designandselectionofcomponents

Forenclosedgeardrives)

ANSI/AGMA6123 Closed Planetary Gearing Design Manual (Designmanualforenclosedepicyclicgear

Drives)

ASTME1049-85 Cycle Calculation Procedure for Fatigue Analysis (Standardpracticesforcyclecountinginfatigue

Analysis)

DIN471 shaft circlip. standard and heavy duty [Circlips(retainingrings)forshafts.Normaltypeand

Heavytype]

Retaining ring for DIN472 hole. standard and heavy duty [Circlips(retainingrings)forbores.Normaltypeand

Heavytype]

DIN 743-2000 Calculation of bearing capacity of shaft parts, part 1, 2, 3 (Shaftsandaxles, calculationsofloadca-

Pacity,Parts1,2,3)

DIN3990-4 Calculation of bearing capacity of cylindrical gears. Calculation of rod bearing capacity (Calculationofloadcapacityofcy-

Lindricalgears.calculationofscuffingloadcapacity)

DIN6885-2 Flat key drive connection and keyway type and size for machine tools (ParalelKeyGeometries)

DIN6892 Calculation and design of taper-free drive-type fastener keys (only in Germany) (Mitnehmerverbindungen

ohneAnzug-Passfedern-BerechnungundGestaltung)(availableinGermanonly)

DIN7190 Interference fits calculation and design principles (Interferencefits-Calculationanddesignrules)

DIN51517-3 Lubricants Part 3. CLP for lubricants, minimum requirements (Lubricants. Lubricatingoils-Part 3.

LubricatingoilsCLP;Minimumrequirements)

EN10204.2004 Metal product inspection document type (Metalicproducts-Typesofinspectiondocuments)

EN12680-3.2003 Ultrasonic testing of castings (Ultrasonicexamination-Spheroidalgraphitecastironcastings)

3 terms and definitions, conventions

3.1 Terms and definitions

The following terms and definitions defined in GB/T 18451.1-2012 and IEC 60050-415 apply to this document.

Note. The definition of this standard is preferred.

3.1.1

Bearing manufacturer bearingmanufacturer

A legal entity that provides bearings for wind turbine gearboxes and is responsible for bearing design and application engineering.

Note. Bearings are also usually manufactured by bearing suppliers.

3.1.2

Certification body certificationbody

An entity that qualifies a wind turbine gearbox in accordance with IEC 61400-22.

3.1.3

Characteristic load

A load whose load value does not exceed the specified probability.

Note. See 3.1.5 Design Loads.

3.1.4

Design life designlifetime

The duration of the specified strength verification is met.

Note. Some easy-to-maintain components and consumables may last less than the specified gearbox design life.

3.1.5

Design load designload

The load used to verify the strength of any part.

Note 1. The design load is obtained by multiplying the characteristic load by the appropriate load local safety factor.

Note 2. See GB/T 18451.1-2012 and Chapter 6.

3.1.6

Double row bearing double-rowbearings

Rolling bearings with double row rolling elements.

3.1.7

Equivalent load

With the specified life index and number of cycles, the load with the same damage is caused by the actual change load.

Note. The equivalent load is not equal to the average load value of all load segments over the entire load range.

3.1.8

Extreme load extremeload

Design load with the largest absolute value of all load components in running or non-running conditions.

Note. The load component can be a force, a torque, a torque, or a combination thereof.

3.1.9

Gearbox manufacturer gearboxmanufacturer

The entity responsible for the design of the gearbox and specifying the manufacturing requirements for the gearbox and its components.

Note. In practice, some legal entities may be involved in this process, but this is not reflected in this standard.

3.1.10

Interface

The type and size of the gearbox to be connected to the wind turbine, and the type of control signal, hydraulic oil and lubricant exchange

Style and size.

3.1.11

Load margin factor loadreservefactor

LRF

The ratio of the maximum allowable load of the component to the design load.

Note. LRF can be determined from the ultimate strength and fatigue strength calculations, respectively.

3.1.12

Local failure localfailure

In a dangerous section, the strain exceeds the maximum allowable value and the failure occurs.

3.1.13

Positioning bearing locatingbearingfixedbearing

Bearings that are subjected to biaxial axial loads.

3.1.14

Lubricant supplier lubricantsupplier

Lubrication of wind turbine gearboxes by wind turbine manufacturers, gearbox manufacturers or wind turbine owners

The legal entity of oil.

Note. Lubricant suppliers may not produce any lubricant components or mix the final product proportionate, but are responsible for the performance and mixing specifications of the lubricant.

3.1.15

Maximum operating load maximumoperatingload

The maximum load of the fatigue analysis determined according to the design conditions and the local safety factor of the load as defined in GB/T 18451.1-2012.

3.1.16

Cabin nacele

The structure above the unit tower houses the power train, generators, other components, controls and the execution system.

3.1.17

Floating end bearing non-locatingbearing

Floating bearing floatingbearing

Bearings that are only subjected to radial loads.

3.1.18

Paired bearing pairedbearings

Install two bearings of the same type in the same position.

Note. The mating arrangement of the bearings results in their radial load carrying capacity and bidirectional axial load carrying capacity (eg two TRB bearings or two)

ACBB bearings are placed face to face or back to back), or they can be arranged in series to enhance radial load carrying capacity and unidirectional axial load carrying capacity (see C.7).

3.1.19

Rain flow matrix rainflowmatrices

Using a two-dimensional matrix containing a counting cycle, this cycle occurs in the sub-range of the cyclic mode and amplitude, representing the fatigue load.

Note. See A.4.3.

3.1.20

Time series timeseries

Describe the time set of different operating load intervals for wind turbines.

Note. These time series are combined with their corresponding occurrences to characterize the load history over the life of the design.

3.1.21

Wind turbine manufacturer windturbinemanufacturer

The responsible entity for the gearbox design requirements is proposed in accordance with this standard.

Note. Typically, wind turbine manufacturers are responsible for the design, manufacture and sale of wind turbines.

3.1.22

Wind turbine owner windturbineowner

Purchase and responsibility for the operation of the wind turbine.

Note. In fact, the owner can sign up for the operation and maintenance of the wind turbine with different legal entities. This distinction is not reflected in this standard.

3.2 Convention

3.2.1 Name of bearing position

The following abbreviations can be used to define the bearing position (the naming of the axis is defined in 3.2.2).

* RS. the side of the wind wheel (usually the upwind direction);

* GS. Generator side (usually downwind).

If it is a matched bearing, the following abbreviations can be used.

* IB. inside (relative to the inside of the shaft);

* OB. outside (relative to the outside of the axis).

3.2.2 Name of the shaft---A typical example of the wind turbine gearbox structure

Figure 1 shows the definition of the name of the shaft in th...

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Normative references

ISO 6336 · GB/T 6391-2010 · ISO 281.2007 · GB/T 18451.1-2012 · IEC 61400 · GB/T 19936.1-2005 · ISO 14635 · ISO 15243.2004 · IEC 60050 · ISO 76 · ISO 683 · ISO 1328 · ISO 4287 · ISO 4288 · ISO 4406 · ISO 5725 · ISO 8579 · ISO 10474 · ISO 12925 · ISO 14104

Cited by

GB/T 44908-2024Safety requirements and evaluation methods for technical transformation of wind farm

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