GB/T 19568-2004 Specification for assembly and installation of wind turbine generator sets

This standard specifies the general principles of wind turbine assembly, assembly connection methods, assembly of key components, final assembly and commissioning requirements. This standard applies to the assembly and installation of wind turbines. GB/T 19568-2004 Wind turbine assembly and installation specification GB/T19568-2004 Standard download decompression password: www.bzxz.net

ICS 27.180
National Standard of the People's Republic of China
CB/T19568—2004
Assembly and installation specification for wind turbine generator systems2004-06-09 Released
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
2004-12-01 Implementation
Standardization document
3 Installation
1 Requirements
Requirements for connection of components
Requirements for assembly of related parts
4 Safety site requirements
Requirements for installation of units
Requirements for installation personnel
Requirements for safety management
Installation requirements
5 Installation inspection
Installation inspection requirements
Inspection items
Trial operation
5. 4 Documents
(and basic guarantee
Appendix A (data requirements)
Toe record B (data seven pairs of records)
Except ((compulsory appendix)
Appendix D (data with water)
Appendix E (data appendix)
·General warehouse connection reverse expansion tightening force short
Gold capsule time pressure manpower juice calculation or:
Interference connection each horizontal assembly method to achieve the process characteristics and road use range group hot installation when the temperature Determination of temperature and test
Determination of cooling time and temperature
.......
GB/T1956B—2004
GE/T19568-2004
This standard is based on the provisions of two parts of GB/T1.1-20004 standardization work rules: standard structure and writing rules.
Appendix A, Appendix B, Appendix C, Appendix D and Appendix E is an informative appendix and was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Wind Turbine Standardization Technical Conference. This standard was drafted by: PIA Aviation Engine (Group) Co., Ltd. The main drafter of this standard is Yang Cheng:
Yan Tian
Specification for the assembly and installation of wind turbine generator sets
GB/T19568—2004
This standard stipulates the general principles of wind turbine assembly, assembly, final assembly and commissioning requirements for related components. This standard applies to the assembly and installation of wind turbines: 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For all referenced documents with dates, all subsequent amendments (including the content of the date resolution) are not applicable to this standard. However, the latest versions of these documents are used by the parties who have reached a consensus on the use of this standard. For undated references, the latest edition applies to the referenced parts, (factory 33: shrinkage welding replacement connection photography and quality grading GB/T11345 soldering welding light hand T. Ultrasonic flaw detection methods and protection system requirements (G/900-200S0005) GB/T19071.1 Wind turbine generator set - Part 1: Technical components GB/T19073 Wind turbine generator set - Wheelcase JB/T7929 Gear unit - Cleanliness 3 Assembly 3.1 General requirements 3.1.1 Parts and components (including imported parts and outsourced parts) entering assembly must have a certificate of conformity from the inspection and supervision department before assembly can be carried out. 3.1.2 Before assembly, the parts shall be cleaned and inspected. There shall be no burrs, rust, scale, rust, chips, oil, colorants, etc.
3.1.3 Before assembly, the main dimensions of the parts, especially the interference fit dimensions and related dimensions, shall be reviewed. The dimensions adjusted by the fitter shall be inspected by the inspection department. Only after the fit is completed can they be assembled and a report with approval shall be filed in the files of the wind turbine generator set: 3.1.4 Unless otherwise specified, the sharp corners and reverse surfaces of the parts shall be blunted before assembly. 3.1.5 Assembly During the process, parts are not allowed to be damaged by silicon, industry, scratches, or rust: 3.1.6 Parts that have not been greased shall not be assembled. 3.1. There shall be assembly records for each assembly process and they shall be stored in the generator set files: 3.1. After assembly, all lubrication points of the parts shall be lubricated (or greased) according to the assembly specifications. 3.2 Assembly and connection requirements
3.2.1 Screws and bolt connections
3.2.1.1 When tightening screws, nuts and nuts, it is forbidden to use inappropriate tools and hands. After tightening, nails, screws and screw heads shall not be scratched:
3.2.1.2 For fasteners with specified tightening force requirements, the torque shall be controlled according to the specified force value. Fasteners without specified tightening force values ​​shall also be strictly controlled during assembly. The tightening torque values ​​can be found in Appendix A. 3.2.1.3 When a part is connected by a screw or bolt, each screw or bolt should be crossed, symmetrical, careful and even. Tighten in two steps, pre-tighten the first time, and tighten the second time to ensure that the connection is evenly stressed. If there is a positioning pin, start tightening from the positioning pin.
3.2.1.4 After the screw, bolt and nut are tightened, their bearing surface should fit the fastener and be marked with yellow oil. 3.2.1.5 After the nut is tightened, the head of the bolt should be exposed 2~3 times: CB/T19568—2004
9.2.7.6 After the countersunk screw is tightened, the countersunk head shall not be higher than the end face of the countersunk hole. 3.2.1.7 Strictly match the required hardware according to the level specified in the drawings and technical documents. The lower grade case fasteners shall not be used to replace the higher grade case fasteners for assembly.
3.2.2 Connection
3.2.2.1 When assembling the flat chain pin, the contact rate shall not be less than 60% of the matching length and shall be evenly distributed. 3.2.2.2 The end face of the positioning pin shall protrude from the surface of the part. After the pin is installed in the relevant part, the large end shall be sunk into the hole. 3.2.2.3 After the split pin is installed in the relevant part: the part shall be divided into pieces, and the expansion angle shall be 60°--90°. 3.2.3 Key replacement
3.2.3.1 When assembling the flat chain: it shall not be configured into a trapezoidal shape. 3.2.3.2 The flat chain and the upper clock shall be evenly connected on both sides, and there shall be no gaps on the matching surface. After the head chain and the back chain are assembled, the contact surface should not be less than 70% of the working area. The contact surface should not be concentrated on the left and right sides, and the outer part should be 10%~15% of the inclined surface. 3.2.3.3 When assembling the flower chain, the number of teeth in contact at the same time should not be less than 2/9. The contact rate should not be less than 30% in the length and height of the chain. 3.2.3.4 When assembling the sliding matching flat chain (flower chain), the matching chain should be smooth and there should be no uneven tightness. 3.2.4 When connecting with rivets, the surface of the riveted parts should not be damaged during connection, nor should the connected parts be deformed. 3.2.4.1
3.2.4.2 Unless there are special requirements, there should be no looseness after normal operation. The rivet part should be in close contact with the parts and should be adjusted accordingly.
3.2.5 Adhesion
The adhesive brand should meet the design and process requirements and be within the validity period: 3.2.5.2 The surface of the adhesive should be pre-treated to remove impurities such as oil, water film, condensation, etc. 3.2.5.3 When bonding, the adhesive should be evenly applied. The temperature, force, time, etc. of the bonding should be strictly in accordance with the provisions of the process or the adhesive instructions.
After bonding, the excess on the surface should be removed.
3.2.6 Connection
3, 2. 6. 1 Attentions should be paid when pressing
The manpower used for pressing can be taken into consideration. b) The shaft or sleeve to be pressed should have a guide angle of 1°~20, and the guide length should not be greater than 5% of the fitting length. When pressing a solid shaft, the vent should be opened, and the groove depth should not be greater than C.5mm. d) Unless otherwise required, clean lubricant should be applied during pressing. e) When a press is used for press fitting, the pressure of the press is generally 3~3.5 times the required pressing force. The pressure change during the installation process should be flat.
3.2.6.2 Attention should be paid to the following:
) The heating method for hot installation can be selected in the appendix; b. The heating method for hot installation is determined according to the material of the part, the diameter of the joint, the interference and the minimum required heat shrinkage. The determination method is shown in Appendix D.
The heating thickness of the oil-heated part should be 20℃-30℃ lower than the flash point of the oil used: After hot installation, the parts should be cooled naturally and rapid cooling is not allowed: d. After hot installation, the parts should be close to the shaft shoulder or other related fixed area, and the shrinkage after cooling should not exceed 0./1000 of the matching length. e.
3.2.6.3. Attentions should be paid to the following during cold installation:
》For commonly used cooling methods during cold installation, please refer to the Appendix for selection; b) For methods to determine the cooling temperature and time of cold-installed parts, please refer to the Appendix; e) After taking out the cooling parts, they should be immediately replaced with the containing parts. For parts with thick surface, they shall not be assembled and should be cooled again. 3.2.6,4 Attention should be paid when installing:
GE/19568—2004
a) The joint surface of the expansion joint should be clean, free of dirt, corrosion and damage, and a layer of disinfectant without MoS and other additives should be applied before installation;
b) The expansion joint should be inspected using torque gauges, and tightened symmetrically, cross-windingly and evenly:
b) The tightening torque of the expansion bolt should be in accordance with the design sample or process requirements, and can also be referred to and carried out in the following steps: 1) Tighten with 1/3T
2) Tighten with 1/2T.
3) Tighten with T. value:
4) Check the entire installation with T value
3.3 Related parts 3.3.1.1 The outer periphery of the bearing and the semi-holes of the open bearing seat and the bearing cover are not allowed to be stuck. Semi-holes are allowed during assembly. 3.3.1.2 The outer periphery of the auxiliary bearing and the semi-holes of the open bearing seat and the auxiliary bearing cover are in good contact. When inspected with paint, they should be symmetrical to the center line of the bearing seat at 120" and symmetrical to the center line of the bearing at 90\. When checking with a ruler within the above range, the 0.03mm seat gauge shall not exceed 1/3 of the outer width. 3.3.1.3 The inner surface of the bearing shall be limited to the specified surface: the maximum allowable clearance is 1/3 of the angular contact between the bearing and the bearing. 0.0.mm Other bearings are C,-mm.
3.3.1.4 After the bearing is assembled, the positioning end bearing surface should be in contact with the bearing. 3.3.1.5 For bearings with lubricating glands, about 2/2~/1/3 of the area of ​​clean lubricant that meets the requirements should be injected after assembly. Bearings that are rarely lubricated should not be lubricated. 3.3.1.6 When the shaft is hot-assembled, the heating temperature should not be higher than 120°C. When the bearing is cold-assembled, the cooling temperature should not be lower than 80°C. 3.3.1.7 When assembling the detachable bearings, they should be strictly adhered to the assembly position and should not be reversed or mixed with other bearings. For adjustable bearings, the markings of the materials should be marked outside during assembly. ||tt| |3.3.1. When the diameters at both ends of the shaft are not adjustable, and the axial displacement is limited by the ends, an axial clearance C (unit:) must be left. The value of the center can be calculated by the following formula: C-eXAtXL+0.15
4. The linear expansion coefficient of the shaft material, for steel, is 12×10-\/℃. The difference between the maximum working temperature of the shaft and the ambient temperature, which is the solidification bottom (L-the center of the two bearings, in millimeters (mm) 0.15--the remaining distance after thermal imaging, in millimeters (mm), under the condition of a ship, take (307. Therefore, when assembling, only need to follow the size 1, and the formula <2) can be used to calculate the center value; C0.000 5L C.15
3.3.1.5 After the gearbox is assembled, it should be rotated halfway and smoothly. 3.3.2 Gearbox assembly and transportation should comply with the technical requirements of GR/T19073. 3.3.2.2 After the gearbox is assembled, it should be tested for empty rotation according to the design and technical requirements. The new rotation should be smooth and without abnormal noise. 3.3.2.3 The flexibility of the gearbox should comply with the provisions of JB/T7929. 3.3.3 Assembly of pressure cylinder, air cylinder and seals
3.3.31 Before assembly, the residual sharpness, burrs and foreign matter of the parts during processing should be strictly checked and eliminated to ensure that the parts to be sealed are not damaged during assembly. 3.3.3.2 When assembling, the working direction of the whole pair of parts should be paid attention to. When the () ring and the protective ring are used together, the position of the retaining ring should be accurately noted. 3.3.3.3 For the parts with poor elasticity, the expansion or contraction of the parts should be used for assembly: 3.3.3.4 When assembling the holes with two-way seals, the guide tool should be used, and it is not allowed to force the screwdriver. 3.3.3.5 After the pressure cylinder and air cylinder are assembled, the sealing and action tests should be carried out to check if they meet the requirements. 3
GB/I ​​19568-2004
) The stroke meets the requirements
The operation is smooth, there is no jamming and creeping phenomenon: there is no external lifting phenomenon, and the internal leakage is in accordance with the drawing. 3.3.3.6 Before assembling the sealing blankets, felt pads, asbestos, leather cups and other sealing parts, the steel cardboard should be soaked in hot water for one month, and the purple bottle pad should be tempered.
Coupling assembly
3, 3.4, 1
The coupling should be consistent with the original assembly during the disassembly and assembly process. 3.3.4.2 When the rigid coupling is assembled, the axiality of the inner shaft is less than 0.c3mm. 3.3.4.3
When assembling the coupling of the gear, tyre or chain, the assembly accuracy shall comply with the provisions of Table 1. Table 1 Coupling assembly requirements
Coupling hole straight wire/.m
-18m~ 2.50
?5m~315
21E~ 45n
- E6:0-- R3n
#30--71n
>710-.800
3.3.5 Generator installation
Difference of coaxial elements of two extraction lines<Dough runout 1Tmc.c5
3.3.5.1 The installation and transportation of the generator shall comply with GB/T 1!U71,1 requirements of the shaft level of the agent deviation \
3.3.5.2 After the generator is installed, the generator shaft gear gun pain pick-up mechanical axiality should be recommended to meet the requirements of 3.3.4.2 and 3,1.3.3.3.5.3 The grounding cable is installed diagonally at both ends of the generator.4.1 Requirements for the installation site
4.1.1 The installation of the wind turbine foundation shall be carried out in accordance with the approved procedures and technical documents, and can guarantee the strength of the installation after the installation.
4.1.2 The installation foundation shall be tested by a level meter. The horizontality of the foundation and the tower connection surface shall not be greater than 1Ⅲm, so as to meet the verticality requirements of the tower and the water half after the unit is installed.
4.1.3 The ground connection flange and the corresponding design position should be correct and fixed on the foundation. 4.1.4 The foundation has a good grounding bone. Its grounding resistance should not be greater than 3.50. 4.2 Requirements for installation
4.2.1 The assembled parts and components can only be installed on the site after they are inspected and qualified. 4.2.2 After the assembled parts and components are transported to the installation site, they should be inspected in detail to prevent jumping, deformation, component detachment, loosening, etc. during transportation. Unqualified products are not allowed to be installed. 4.3 Requirements for installation personnel
4.3.1 On-site installation personnel should have certain installation experience. 4.3.2 Personnel in related processes such as installation, welding and welding inspection should hold the certificate of the Municipal Labor Department and receive frequent training before taking up their posts. 4.4 Safety requirements
4.4.1 The staff who install the frequency converter should wear safety equipment, such as: safety shoes, safety cabinets, work clothes, protective gloves, hearing protection (when necessary), protective glasses (when necessary), safety belts, GB/T13568-2004
4.4,2 No one is allowed to carry heavy objects on the ground during high-altitude operations, and no objects are allowed to be thrown or lifted at random.
4.4.3 The safety zone should have warning signs: 4.4.4 Only objects should be kept away from the ground to prevent them from falling. 4.4.5 When there are no people, effective measures should be taken to ensure the safety of the personnel; the width of the road, the minimum turning distance, and the maximum load capacity should be considered, and the local traffic conditions should be taken into consideration. 4.4.6 When the average wind speed is greater than 10m/. 1. The crane is not allowed to operate under thunderstorm conditions. 4.4.7 There should be a crane at the site of the wind turbine generator set during the installation. 4.5
4.5.1 Tower installation
4.5.1.1 Before the tower is installed, the foundation should be cleaned. The water or slurry on the spiral hanging plate should be removed. A small amount of lubricating oil should be added to the bolts: the flange contact surface should be coated with sealing powder. 4.5.1.2 Fix the components to be fixed on the foundation in the specified positions. 4.5.1.3 Before lifting the tower, check whether the fixed components are free from movement and missing. 4.5.1.4 After the tower is lifted, the screws should be screwed slowly. The flange holes of the tower frame should be screwed in the corresponding positions and then lowered and connected symmetrically. 4.5.1.5 After the installation of the tower frame, its fixed position should be changed. If it is necessary to check the pressure, noise and pressure of the tower frame, 4.5.1.6 After the installation of the tower frame, the center load of the tower frame should not be greater than the lower part of the tower frame. 4.5.2 Nacelle installation 4.5.2.1 Before installing the cabin, the engine, hub, extension, joint test, shape, size, center position and other detailed drawings and tables should be provided.
Before installing the cabin, the cabin should be properly installed.
4.5.2.3 When installing the cabin, pay attention to the safety of the cabin: 4.5.2.4 The climbing surface of the operating parts should be reversed and the specified. The small year and the exciting method should be controlled. 4.5.2.5 When installing the wind wheel, the blade installation angle should not exceed the design drawing. 4.5.2.6 When hoisting the wind wheel, the ground and the frame should not be damaged to avoid damage to the design tip. 45.2.7 When installing the transmission system, ensure that the time specified in the drawing is guaranteed, and there is no card original: and install it in the specified position. The number of the busbar or the terminal of the wind turbine shall comply with the requirements of the drawings or technical documents. 4.5.3 Electrical installation
4.5.3.1 The electrical lines and electrical connections shall be reliable. The required connections, wiring, terminals, etc. shall be able to withstand the specified voltage (current, current), heat/internal or external heat), mechanical stress (pulling, bending, twisting, etc.) and vibration. 4.5.3.2 When the busbar and conductive or accompanying connecting parts are used as specified, they shall not overheat or cause other dangerous changes. 4.5.3.3 When the wind turbine generator set is installed, the phase sequence of the generator rotor and the generator output terminal shall be marked according to the number of lines, and the first connection to the grid sequence shall be repeated.
4.5.3.41 The installation of the gas bypass and the protective system shall comply with the design requirements of the base. , ensure the safety and availability of the connection, and do not change the power supply mode unless there are provisions in the design drawings. 4.5.3.5 The installation of other additional air-carrying lines (such as European systems) should be carried out in accordance with the relevant documents and specifications. 2.5.3.6 The total power control cabinet from the machine cell to the bottom of the tower should also be installed in accordance with the relevant requirements of the national power safety technology. Necessary measures should be taken to prevent the occurrence of wing movement and yaw of the unit when the unit is running. 4.5.3.7 The overall connection system should be safe, and the equipment should be properly connected. G6/T19568—2004
5 Installation inspection
5.1 Installation inspection requirements
Installation inspection is a non-trivial task. For important work, the inspection shall be conducted by a special inspection team to ensure the quality of installation. 5.2 Inspection Items Inspection Item Requirements: a) Whether the looseness of the connecting parts meets the requirements; b) Whether the welding chain is firmly welded, with or without cracks, inclusions and other defects; whether the connection thickness can be welded; 1. Ultrasonic flaw detection method and inspection results shall be carried out in accordance with GB/F21345. Radiographic photography and inductive analysis of tempered butt joints; B/123:
) Radiation protection of machine parts;
d) Installation quality of electrical equipment (additional laying, grounding equipment and grounding system): Whether the system pipeline is fully leak-proof;
\ Whether the shape and position tolerances of the tower and foundation, the tower and the tower meet the requirements of the drawings; 8) Display system 5.3 Trial operation
5.3.1 Carry out trial operation according to the trial operation specification of wind turbine generator set. 5.3.2 Operate and maintain according to the user and maintenance manual of wind turbine generator set. 5.3.3 After the trial operation sequence is completed, it shall be released according to the corresponding trial operation acceptance standard. 5.4 Delivery
After the trial operation is completed, the equipment inspection and maintenance report and trial production acceptance report shall be submitted to the user for acceptance. 6 Quality assurance
The quality assurance of the installed parts shall comply with the requirements of B/1000 Appendix A
(Informative Appendix)
1 Continuous operation screw tightening force
A, 1 General continuous operation screw tightening torque see Table A.1, A.1
Ratio 1: Applicable to material
2: The annual torque allowable deviation is 15%.
Previous: The observed environment is calculated according to the scientific 0.0
: The maximum is .1
Nominal diameter of the specification/mm.
Expansion, J moment T,/N + m
GB/T 19568—2004
Note 1 The effective value is to make the lubricant's screw life, for the control force of the non-net kidney agent, it is expected to become a neutral 133, e!
110147
14 307
20 712
1714824 840
GB/T19568-2004
B.1 Calculation of press-in force
(Information attached)
Calculation formula of press-in force during press-fitting
+=xxXd,×L,X
The maximum unit force that the joint can withstand is Newton per square millimeter [/m: joint diameter, unit is meter (mm)
L,—joint length, in millimeters (tmm); joint surface sequence coefficient. See Table B.1, Table R1
Shaved-steel
One joint is adjusted
Read a high-quality joint calcium
·-sample
Huai restores one-age block
The calculation of the maximum single pressure The calculation of the maximum unit pressure is according to formula (B): In the formula:
The maximum interference, in millimeters! an
G,G,—coefficient: dead type (BS) and type (E, 1): large slip
0. 07 ~n. 16
J. 15 --6. 20
0. _5 --0. 25
running
0.05·-0, 13
9, 0--5. 56
2.55---, 1c
0.05.--0.1c
E2.E,-are the material elasticity of the wrapping piece and the contained piece, respectively, and the unit is Newton per square millimeter (N/1r:\1. See Table 2B
GB/T 19568—2004
- 15, 3
are the outer diameter of the package and the inner diameter of the mechanical package (solid shaft 4; = 0), in meters (Tm). Poisson's coefficient, B.2.
elastic fast quantity 1/
Ultrasonic testing method and testing results are carried out in accordance with GB/F21345. Radiographic and inductive analysis of tempered butt joints. B/123:
) Radiation protection of machine parts,
d) Installation quality of electrical equipment (additional laying, grounding equipment and grounding system): Whether the system pipeline is adequate:
\ Whether the shape and position tolerances of the tower and foundation, the engine and the tower meet the requirements of the drawings: 8) Whether the display system and general signs are clear and complete: Whether the operating system is clear, safe and reliable. 5.3 Trial operation
5.3.1 Trial operation is carried out in accordance with the trial operation specifications of wind turbines. 5.3.2 Operation and maintenance are carried out in accordance with the wind turbine operation and maintenance manual. 5.3.3 After the trial operation sequence is completed, the corresponding trial operation acceptance standards shall be followed. 5.4 Delivery
After the trial operation is completed, the equipment inspection and maintenance report and trial production acceptance report shall be submitted to the user for acceptance. 6 Quality assurance
The quality assurance of the installed equipment shall comply with the requirements of Standard B/2000 Appendix A
(Informative Appendix)
Continuous operating tightening force
A, general continuous operating screw tightening torque is shown in Table A.1, A.1
Ratio 1: Applicable to material properties
2: The annual torque allowable deviation is 15%.
Previous: The observed environment is calculated according to the scientific 0.0
: The maximum is .1
Nominal diameter of the specification/mm.
Expansion, J moment T,/N + m
GB/T 19568—2004
Note 1 The effective value is to make the lubricant's screw life, for the control force of the non-net kidney agent, it is expected to become a neutral 133, e!
110147
14 307
20 712
1714824 840
GB/T19568-2004
B.1 Calculation of press-in force
(Information attached)
Calculation formula of press-in force during press-fitting
+=xxXd,×L,X
The maximum unit force that the joint can withstand is Newton per square millimeter [/m: joint diameter, unit is meter (mm)
L,—joint length, in millimeters (tmm); joint surface sequence coefficient. See Table B.1, Table R1
Shaved-steel
One joint is adjusted
Read a high-quality joint calcium
·-sample
Huai restores one-age block
The calculation of the maximum single pressure The calculation of the maximum unit pressure is according to formula (B): In the formula:
The maximum interference, in millimeters! an
G,G,—coefficient: dead type (BS) and type (E, 1): large slip
0. 07 ~n. 16
J. 15 --6. 20
0. _5 --0. 25
running
0.05·-0, 13
9, 0--5. 56
2.55---, 1c
0.05.--0.1c
E2.E,-are the material elasticity of the wrapping piece and the contained piece, respectively, and the unit is Newton per square millimeter (N/1r:\1. See Table 2B
GB/T 19568—2004
- 15, 3
are the outer diameter of the package and the inner diameter of the mechanical package (solid shaft 4; = 0), in meters (Tm). Poisson's coefficient, B.2.
elastic fast quantity 1/
Ultrasonic testing method and testing results are carried out in accordance with GB/F21345. Radiographic and inductive analysis of tempered butt joints. B/123:
) Radiation protection of machine parts,
d) Installation quality of electrical equipment (additional laying, grounding equipment and grounding system): Whether the system pipeline is adequate:
\ Whether the shape and position tolerances of the tower and foundation, the engine and the tower meet the requirements of the drawings: 8) Whether the display system and general signs are clear and complete: Whether the operating system is clear, safe and reliable. 5.3 Trial operation
5.3.1 Trial operation is carried out in accordance with the trial operation specifications of wind turbines. 5.3.2 Operation and maintenance are carried out in accordance with the wind turbine operation and maintenance manual. 5.3.3 After the trial operation sequence is completed, the corresponding trial operation acceptance standards shall be followed. 5.4 Delivery
After the trial operation is completed, the equipment inspection and maintenance report and trial production acceptance report shall be submitted to the user for acceptance. 6 Quality assurance
The quality assurance of the installed equipment shall comply with the requirements of Standard B/2000 Appendix A
(Informative Appendix)
Continuous operating tightening force
A, general continuous operating screw tightening torque is shown in Table A.1, A.1
Ratio 1: Applicable to material properties
2: The annual torque allowable deviation is 15%.
Previous: The observed environment is calculated according to the scientific 0.0
: The maximum is .1
Nominal diameter of the specification/mm.www.bzxz.net
Expansion, J moment T,/N + m
GB/T 19568—2004
Note 1 The effective value is to make the lubricant's screw life, for the control force of the non-net kidney agent, it is expected to become a neutral 133, e!
110147
14 307
20 712
1714824 840
GB/T19568-2004
B.1 Calculation of press-in force
(Information attached)
Calculation formula of press-in force during press-fitting
+=xxXd,×L,X
The maximum unit force that the joint can withstand is Newton per square millimeter [/m: joint diameter, unit is meter (mm)
L,—joint length, in millimeters (tmm); joint surface sequence coefficient. See Table B.1, Table R1
Shaved-steel
One joint is adjusted
Read a high-quality joint calcium
·-sample
Huai restores one-age block
The calculation of the maximum single pressure The calculation of the maximum unit pressure is according to formula (B): In the formula:
The maximum interference, in millimeters! an
G,G,—coefficient: dead type (BS) and type (E, 1): large slip
0. 07 ~n. 16
J. 15 --6. 20
0. _5 --0. 25
running
0.05·-0, 13
9, 0--5. 56
2.55---, 1c
0.05.--0.1c
E2.E,-are the material elasticity of the wrapping piece and the contained piece, respectively, and the unit is Newton per square millimeter (N/1r:\1. See Table 2B
GB/T 19568—2004
- 15, 3
are the outer diameter of the package and the inner diameter of the mechanical package (solid shaft 4; = 0), in meters (Tm). Poisson's coefficient, B.2.
elastic fast quantity 1/
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