CN108343561B - Goaf site wind turbine generator system deviation correcting device and deviation correcting method thereof - Google Patents
Goaf site wind turbine generator system deviation correcting device and deviation correcting method thereof Download PDFInfo
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- CN108343561B CN108343561B CN201810400651.8A CN201810400651A CN108343561B CN 108343561 B CN108343561 B CN 108343561B CN 201810400651 A CN201810400651 A CN 201810400651A CN 108343561 B CN108343561 B CN 108343561B
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- bolt hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/88—Arrangement of components within nacelles or towers of mechanical components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Abstract
The invention discloses a rectification device and a rectification method for a goaf site wind turbine generator, wherein the rectification device comprises a combined sphere framework, the top end of a tower barrel is intersected with the combined sphere framework, and the combined sphere framework is connected with a cabin through a tower barrel-cabin connecting device; the tower cylinder adopts a three-column structure, so that the stability of the tower cylinder is effectively improved, the fixed foundation at the bottom of the tower cylinder is connected with the foundation through the anchor cable, the anti-pulling performance of the tower cylinder is enhanced, and the tower cylinder can also stably support the fan when the ground foundation of the goaf is unevenly settled; the combined sphere framework can decompose the wind load nondirectionality borne by the fan, so that the influence of residual deformation of the goaf on the basis of the wind turbine is greatly weakened.
Description
Technical Field
The invention relates to the technical field of wind turbine generator set rectification, in particular to a goaf site wind turbine generator set rectification device and a rectification method thereof.
Background
With the rapid rise of the wind power industry, the defect that land wind power occupies valuable land resources is increasingly displayed, the land suitable for large-scale construction of land wind power stations is increasingly reduced, the mountain land above the goaf has rich wind power resources, the requirement of the development and construction of the goaf for land wind power is reduced, and some areas are necessarily built above the goaf, in particular above the mountain goaf.
Due to the wind non-directionality, the wind load of the wind turbine generator is always in a circulating and reciprocating state. The goaf site at the bottom of the wind turbine generator system foundation greatly increases the possibility of uneven settlement of the high-rise structure of the wind turbine generator system under cyclic load due to the specificity of residual deformation and activation deformation possibly existing in the goaf site. The wind turbine generator comprises fan blades, a cabin and a tower, and in the conventional design, the tower is generally arranged in a single form, but the wind turbine generator is extremely sensitive to inclination, and the inclination rate reaches 0.005, namely, the operation requirement is not met. When the wind turbine foundation is unevenly settled and the wind turbine is inclined, grouting correction is needed to be carried out on the lower part, but the grouting quantity is often less, the quality effect is difficult to ensure, and the correction is limited for many times. Therefore, finding a structure device suitable for correcting the goaf site is particularly urgent.
The present invention provides a new solution to this problem.
Disclosure of Invention
Aiming at the situation, the invention aims to overcome the defects of the prior art and provide a rectification device and a rectification method for a goaf site wind turbine generator.
The technical scheme for solving the problems is as follows: a deviation correcting device for a wind turbine generator in a goaf site comprises a combined sphere framework, wherein a tower barrel is of a three-column structure, a fixed foundation is arranged at the bottom of the tower barrel, the top end of the tower barrel is intersected with the combined sphere framework, and the combined sphere framework is connected with a cabin through a tower barrel-cabin connecting device; the combined sphere framework comprises an upper hemisphere and a lower hemisphere which are buckled, the lower hemisphere is fixedly connected with a tower through a flange ring, the joint of the upper hemisphere and the lower hemisphere is buckled with the flange on the inner side of the lower hemisphere through the flange on the inner side of the upper hemisphere, a buckling screw is arranged at the tail end of the flange, a rotating device is arranged between the lower hemisphere and the upper hemisphere and comprises a base and a rotating shaft, the base is arranged at the center of the bottom of the lower hemisphere, the side surface of the base is fixedly connected with the inner wall of the lower hemisphere through a uniformly arranged truss, a servo motor is arranged at the center of the inner part of the base and is in transmission connection with the rotating shaft, a rotating shaft shell is fixedly arranged on the rotating shaft, and the side surface of the rotating shaft shell is fixedly connected with the inner wall of the upper hemisphere through the uniformly arranged truss; the spherical surface of the upper hemisphere is provided with a bolt hole, the bolt hole comprises a transverse bolt hole and a longitudinal bolt hole, the transverse bolt hole is uniformly arranged on one spherical arc line passing through the vertex of the upper hemisphere, the longitudinal bolt hole is uniformly arranged on the other spherical arc line passing through the vertex of the upper hemisphere, and the planes of the two arc lines are vertical; the tower barrel-engine room connecting device comprises a flange plate and a connecting hemisphere, wherein the upper part of the flange plate is fixedly connected with the bottom of the engine room, the bottom of the flange plate is fixedly connected with the connecting hemisphere through a rib plate, the connecting hemisphere is matched with the upper hemisphere in size and buckled on the upper hemisphere, the connecting hemisphere is provided with the same bolt hole at the same position as the upper hemisphere, and a high-strength penetrating bolt in the bolt hole is used for fixedly connecting the connecting hemisphere with the upper hemisphere; the transverse bolt hole is in a round corner rectangle shape, the longitudinal bolt hole is in a fan blade shape, and the length of the transverse bolt hole is 2-3 times of the diameter of the high-strength bolt.
Preferably, the lengths of the tower cylinders are the same, and the included angles between every two tower cylinders are equal.
Preferably, a cat ladder is arranged in the tower barrel.
Preferably, the top of the fixed foundation is provided with a foundation ring, and the bottom of the fixed foundation is connected with the foundation through an anchor cable.
Preferably, the upper hemisphere, the lower hemisphere and the connecting hemisphere are prefabricated by high alloy medium carbon Ni-Co type ultra-high strength steel.
Preferably, a workbench is built in the combined sphere framework.
Preferably, the high-strength bolt is provided with a spring washer in a lower pad, and the two sides of the high-strength bolt are tightly propped against the residual gaps in the bolt hole by adopting fixing pins.
Preferably, an inclination detector is arranged inside the nacelle.
The deviation rectifying method by utilizing the goaf site wind turbine generator system deviation rectifying device comprises the following steps:
1) Determining the sedimentation direction and the angle of the rectification device of the goaf site wind turbine generator by data transmitted into a computer by the inclination detector;
2) A correction worker enters a workbench 54 in the combined sphere structure through the ladder 31 and the flange ring 32 to loosen buckle screws 53 at the tail ends of flanges 52 of the upper hemisphere 60 and the lower hemisphere 50;
3) Starting the rotating device, driving the rotating shaft shell 73 to rotate by the servo motor and the rotating shaft 72, thereby driving the upper hemisphere 60 to rotate, combining data transmitted by the inclination detector into a computer, and stopping rotating after the plane of an arc line where the longitudinal bolt hole 84 is positioned coincides with the sedimentation direction;
4) Taking out the fixing pin 86 and the high-strength bolt 85;
5) Lifting the tower barrel-engine room connecting device by adopting a lifting device, stopping when the contact surface of the upper hemisphere 60 and the connecting hemisphere 80 is pressureless, performing micro-rotation adjustment in the arc direction of the longitudinal bolt hole 84, and combining data transmitted by the inclination detector into a computer until just compensating the sedimentation angle, and stopping adjustment;
6) Installing a high-strength bolt 85, and replacing a fixing pin 86 with a corresponding length to tightly prop up the residual gap of the bolt hole;
7) The fastening screws 53 at the tail ends of the flanges 52 of the upper hemisphere 60 and the lower hemisphere 50 are screwed.
The compensation sedimentation angle range is 0-2 degrees.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the tower cylinder of the goaf site provided by the invention adopts a three-column structure, so that the stability of the goaf site is effectively improved, the fixed foundation at the bottom of the tower cylinder is connected with the foundation through the anchor cable, the anti-pulling performance of the goaf site is enhanced, and the tower cylinder can also stably support the fan when the goaf site foundation is unevenly settled; the combined sphere architecture can decompose the force of wind load nondirectionality borne by the fan, so that the influence of residual deformation of a goaf on the basis of the wind turbine is greatly weakened;
2. according to the invention, the length of the transverse bolt hole is 2-3 times of the diameter of the high-strength bolt, so that the micro-rotation adjusting process has a compensation sedimentation angle within the range of 0-2 degrees; the bolt hole is radian rotation in the micro-rotation adjusting process, the fan-shaped longitudinal bolt hole is designed, the vertical arc line of the longitudinal bolt hole connecting the hemisphere and the upper hemisphere in the micro-rotation adjusting process is always overlapped, vertical dislocation of the longitudinal bolt hole is avoided, correction can be performed under the condition that the foundation of the wind turbine generator is not changed, the operation method is simple and safe, correction is efficient and accurate, and limitation caused by grouting correction is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a fixed base structure according to the present invention.
FIG. 3 is a schematic diagram of the internal structure of the combined sphere structure according to the present invention.
Fig. 4 is a top view of the upper hemisphere of the present invention.
Fig. 5 is a schematic structural view of a tower-nacelle connection device according to the invention.
Fig. 6 is a schematic view of the connection of the tower-nacelle connection to the upper hemisphere of the present invention.
In the figure: 10 fan blades, 20 engine rooms, 30 tower drums, 31 ladders, 32 flange rings, 40 fixed foundations, 41 foundation rings, 42 anchor ropes, 43 foundations, 50 lower hemispheres, 51 trusses, 52 flanges, 53 buckle screws, 60 upper hemispheres, 71 bases, 72 rotating shafts, 73 rotating shaft shells, 80 connecting hemispheres, 81 flange plates, 82 rib plates, 83 transverse bolt holes, 84 longitudinal bolt holes, 85 high-strength bolts and 86 fixing pins.
Detailed Description
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying figures 1-6. The following embodiments are described in detail with reference to the drawings.
As shown in fig. 1 and 2, the rectification device for the wind turbine generator in the goaf site comprises a combined sphere framework, wherein the tower cylinders 30 are of a three-column structure, the lengths of each tower cylinder 30 are the same, the included angles between every two tower cylinders are equal, the stability of the tower cylinders 30 is effectively improved, and certain deformation resistance is achieved; the bottom of the tower drum 30 is provided with a fixed foundation 40, the top of the fixed foundation 40 is provided with a foundation ring 41 for fixing the bottom of the tower drum 30, the bottom of the fixed foundation 40 is connected with a foundation 43 through an anchor cable 42, the anti-pulling performance of the wind turbine generator can be enhanced, and when the foundation 43 of the goaf site subsides unevenly, the tower drum 30 can also firmly support a fan; the inside of the tower drum 30 is also provided with a ladder stand 31, and the tower drum 30 is also provided with an inlet, so that a worker can conveniently enter the inside of the wind turbine generator through the ladder stand 31 for maintenance; the cabin 20 is internally provided with an inclination detector for detecting the settlement direction and the angle of the goaf site wind turbine generator system deviation correcting device and sending detection data to a computer of a monitoring room.
The top end of the tower 30 is intersected with a combined sphere structure, as shown in fig. 3, the combined sphere structure comprises an upper hemisphere 60 and a lower hemisphere 50 which are buckled, the upper hemisphere 60 and the lower hemisphere 50 are all prefabricated by high alloy medium carbon Ni-Co type ultra-high strength steel, the high support capacity and the high deformation resistance are achieved, the lower hemisphere 50 is fixedly connected with the tower 30 through a flange ring 32, the connection part of the upper hemisphere 60 and the lower hemisphere 50 is buckled through a flange 52 at the inner side of the upper hemisphere 60 and a flange 52 at the inner side of the lower hemisphere 50, the flanges 52 are arranged at the whole circumference at the inner side of the connection part of the upper hemisphere 60 and the lower hemisphere 50, and buckle screws 53 are arranged at the tail ends of the flanges 52 and used for fixing the flanges 52 of the upper hemisphere 60 and the lower hemisphere 50, so that the upper hemisphere 60 and the lower hemisphere 50 do not move relatively; the combined sphere structure can decompose the force of wind load nondirectionality borne by the fan, so that the influence of residual deformation of the goaf on the basis of the wind turbine is greatly weakened.
A rotating device is arranged between the lower hemisphere 50 and the upper hemisphere 60, the rotating device comprises a base 71 and a rotating shaft 72, the base 71 is arranged at the center of the bottom of the lower hemisphere 50, the side surface of the base 71 is fixedly connected with the inner wall of the lower hemisphere 50 through a truss 51 which is uniformly arranged, a servo motor is arranged at the center of the inside of the base 71, the servo motor is powered by a power supply in the cabin 20 and is in transmission connection with the rotating shaft 72, a rotating shaft shell 73 is fixedly arranged on the rotating shaft 72, and the side surface of the rotating shaft shell 73 is fixedly connected with the inner wall of the upper hemisphere 60 through the truss 51 which is uniformly arranged; a workbench 54 is also built in the combined sphere structure, so that the correction work of workers is facilitated.
As shown in fig. 4, the spherical surface of the upper hemisphere 60 is provided with bolt holes, which comprises a transverse bolt hole 83 and a longitudinal bolt hole 84, wherein the transverse bolt hole 83 is a round rectangle, the longitudinal bolt hole 84 is a fan-shaped bolt hole, the transverse bolt hole 83 is uniformly arranged on one spherical arc line passing through the vertex of the upper hemisphere 60, the longitudinal bolt hole 84 is uniformly arranged on the other spherical arc line passing through the vertex of the upper hemisphere 60, and the planes of the two arc lines are vertical.
The combined sphere structure is connected with the engine room 20 through a tower cylinder-engine room connecting device, as shown in fig. 5, the tower cylinder-engine room connecting device comprises a flange plate 81 and a connecting hemisphere 80, the upper part of the flange plate 81 is fixedly connected with the bottom of the engine room, the bottom of the flange plate 81 is fixedly connected with the connecting hemisphere 80 through a rib plate 82, the connecting hemisphere 80 is matched with the upper hemisphere 60 in size and buckled on the upper hemisphere 60, the connecting hemisphere 80 is provided with the same bolt holes at the same position as the upper hemisphere 60, the connecting hemisphere 80 and the upper hemisphere 60 are fixedly connected through high-strength bolts 85 in the bolt holes, the length of the transverse bolt holes 83 is 2-3 times the diameter of the high-strength bolts 85, spring washers are arranged under the high-strength bolts 85, the high-strength bolts 85 are prevented from loosening after long-term use, the two sides of the high-strength bolts 85 are fixedly jacked by adopting fixing pins 86 to prevent the residual gaps in the bolt holes from being offset.
The deviation rectifying method by utilizing the goaf site wind turbine generator system deviation rectifying device comprises the following steps:
1) Determining the sedimentation direction and the angle of the rectification device of the goaf site wind turbine generator by data transmitted into a computer by the inclination detector;
2) A correction worker enters a workbench 54 in the combined sphere structure through the ladder 31 and the flange ring 32 to loosen buckle screws 53 at the tail ends of flanges 52 of the upper hemisphere 60 and the lower hemisphere 50;
3) Starting the rotating device, driving the rotating shaft shell 73 to rotate by the servo motor and the rotating shaft 72, thereby driving the upper hemisphere 60 to rotate, combining data transmitted by the inclination detector into a computer, and stopping rotating after the plane of an arc line where the longitudinal bolt hole 84 is positioned coincides with the sedimentation direction;
4) Taking out the fixing pin 86 and the high-strength bolt 85;
5) Lifting the tower barrel-engine room connecting device by adopting a lifting device, stopping when the contact surface of the upper hemisphere 60 and the connecting hemisphere 80 is pressureless, performing micro-rotation adjustment in the arc direction of the longitudinal bolt hole 84, and combining data transmitted by the inclination detector into a computer until just compensating the sedimentation angle, and stopping adjustment;
6) Installing a high-strength bolt 85, and replacing a fixing pin 86 with a corresponding length to tightly prop up the residual gap of the bolt hole;
7) The fastening screws 53 at the tail ends of the flanges 52 of the upper hemisphere 60 and the lower hemisphere 50 are screwed.
In the method, partial superposition occurs in bolt holes after micro-rotation adjustment, and the length of the transverse bolt hole 83 is 2-3 times of the diameter of the high-strength bolt 85, so that the compensation sedimentation angle in the range of 0-2 degrees exists in the step 5) in the micro-rotation adjustment process; the bolt hole is radian rotation in the micro-rotation adjusting process, and the fan-shaped longitudinal bolt hole 84 is designed, so that the upper arc line and the lower arc line of the longitudinal bolt hole 84 connecting the hemisphere 80 and the upper hemisphere 60 are always on the same arc line in the micro-rotation adjusting process, and the vertical dislocation of the longitudinal bolt hole 84 is avoided.
While the invention has been described in connection with certain embodiments, it is not intended that the invention be limited thereto; for those skilled in the art to which the present invention pertains and the related art, on the premise of based on the technical scheme of the present invention, the expansion, the operation method and the data replacement should all fall within the protection scope of the present invention.
Claims (9)
1. A correction method of a goaf site wind turbine generator system is characterized by comprising the following steps of: the device comprises a deviation correcting device, wherein the deviation correcting device comprises a combined sphere framework, a tower barrel is of a three-column structure, a fixed foundation is arranged at the bottom of the tower barrel, the top end of the tower barrel is intersected with the combined sphere framework, and the combined sphere framework is connected with a cabin through a tower barrel-cabin connecting device; the combined sphere framework comprises an upper hemisphere and a lower hemisphere which are buckled, the lower hemisphere is fixedly connected with a tower through a flange ring, the joint of the upper hemisphere and the lower hemisphere is buckled with the flange on the inner side of the lower hemisphere through the flange on the inner side of the upper hemisphere, a buckling screw is arranged at the tail end of the flange, a rotating device is arranged between the lower hemisphere and the upper hemisphere and comprises a base and a rotating shaft, the base is arranged at the center of the bottom of the lower hemisphere, the side surface of the base is fixedly connected with the inner wall of the lower hemisphere through a uniformly arranged truss, a servo motor is arranged at the center of the inner part of the base and is in transmission connection with the rotating shaft, a rotating shaft shell is fixedly arranged on the rotating shaft, and the side surface of the rotating shaft shell is fixedly connected with the inner wall of the upper hemisphere through the uniformly arranged truss; the spherical surface of the upper hemisphere is provided with a bolt hole, the bolt hole comprises a transverse bolt hole and a longitudinal bolt hole, the transverse bolt hole is uniformly arranged on one spherical arc line passing through the vertex of the upper hemisphere, the longitudinal bolt hole is uniformly arranged on the other spherical arc line passing through the vertex of the upper hemisphere, and the planes of the two arc lines are vertical; the tower barrel-engine room connecting device comprises a flange plate and a connecting hemisphere, wherein the upper part of the flange plate is fixedly connected with the bottom of the engine room, the bottom of the flange plate is fixedly connected with the connecting hemisphere through a rib plate, the connecting hemisphere is matched with the upper hemisphere in size and buckled on the upper hemisphere, the connecting hemisphere is provided with the same bolt hole at the same position as the upper hemisphere, and a high-strength penetrating bolt in the bolt hole is used for fixedly connecting the connecting hemisphere with the upper hemisphere; the transverse bolt holes are round-corner rectangles, the longitudinal bolt holes are fan-blade-shaped, and the length of the transverse bolt holes is 2-3 times of the diameter of the high-strength bolt;
the method comprises the following steps:
1) Determining the sedimentation direction and the angle of the rectification device of the goaf site wind turbine generator by data transmitted into a computer by the inclination detector;
2) A correction worker enters a workbench in the combined sphere framework through a ladder stand and a flange ring, and loosens buckle screws at the tail ends of flanges of an upper hemisphere and a lower hemisphere;
3) Starting a rotating device, driving a rotating shaft shell to rotate by driving a servo motor and a rotating shaft, thereby driving an upper hemisphere to rotate, combining data transmitted by an inclination detector into a computer, and stopping rotating after the plane of an arc line where a longitudinal bolt hole is positioned coincides with a settlement direction;
4) Taking out the fixing pin and the high-strength bolt;
5) Lifting the tower barrel-engine room connecting device to the upper hemisphere by adopting a lifting device, stopping when no pressure exists on the contact surface of the upper hemisphere and the connecting hemisphere, performing micro-rotation adjustment in the arc direction of the longitudinal bolt hole, and combining data transmitted by the inclination detector into a computer until the settlement angle is just compensated for, and stopping adjustment;
6) Installing a high-strength bolt, and replacing a fixing pin with a corresponding length to tightly prop up the residual gap of the bolt hole;
7) And screwing the buckle screws at the tail ends of the flanges of the upper hemisphere and the lower hemisphere.
2. The method for rectifying deviation of the goaf site wind turbine generator system as claimed in claim 1, wherein the method comprises the following steps: the lengths of the tower cylinders are the same, and the included angles between every two tower cylinders are equal.
3. The method for rectifying deviation of the goaf site wind turbine generator system as claimed in claim 2, wherein the method comprises the following steps of: and a ladder stand is arranged inside the tower barrel.
4. The method for rectifying deviation of the goaf site wind turbine generator system as set forth in claim 3, wherein the method comprises the following steps: the fixed foundation top is provided with the foundation ring, and the bottom of fixed foundation is connected with the foundation through the anchor rope.
5. The method for rectifying deviation of the goaf site wind turbine generator system as claimed in claim 4, wherein the method comprises the following steps: the upper hemisphere, the lower hemisphere and the connecting hemisphere are prefabricated by high-alloy medium-carbon Ni-Co type ultrahigh-strength steel.
6. The method for rectifying deviation of the goaf site wind turbine generator system according to claim 5, wherein the method comprises the following steps of: a workbench is built in the combined sphere framework.
7. The method for rectifying deviation of the goaf site wind turbine generator system as defined in claim 6, wherein the method comprises the following steps of: the high-strength bolt is provided with a spring washer in a lower pad, and the two sides of the high-strength bolt are tightly propped against the residual gaps in the bolt hole by adopting fixing pins.
8. The method for rectifying deviation of the goaf site wind turbine generator system as claimed in claim 7, wherein the method comprises the following steps: the cabin is internally provided with a tilt detector.
9. The method for rectifying deviation of the goaf site wind turbine generator system as claimed in claim 1, wherein the method comprises the following steps: the compensation sedimentation angle range is 0-2 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810400651.8A CN108343561B (en) | 2018-04-28 | 2018-04-28 | Goaf site wind turbine generator system deviation correcting device and deviation correcting method thereof |
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| CN201810400651.8A CN108343561B (en) | 2018-04-28 | 2018-04-28 | Goaf site wind turbine generator system deviation correcting device and deviation correcting method thereof |
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| CN108343561B true CN108343561B (en) | 2023-09-15 |
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| CN115676627B (en) * | 2022-11-10 | 2023-05-05 | 广东粤水电新能源装备有限公司 | Intelligent wind generating set lifting auxiliary deviation rectifying system |
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