CN115539520A - Wind power coupling and wind turbine generator system transmission chain system - Google Patents
Wind power coupling and wind turbine generator system transmission chain system Download PDFInfo
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- CN115539520A CN115539520A CN202210975944.5A CN202210975944A CN115539520A CN 115539520 A CN115539520 A CN 115539520A CN 202210975944 A CN202210975944 A CN 202210975944A CN 115539520 A CN115539520 A CN 115539520A
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- Prior art keywords
- tooth meshing
- tooth
- meshing body
- insulating
- wind power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/04—Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type
- F16D7/042—Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type with at least one part moving axially between engagement and disengagement
- F16D7/044—Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type with at least one part moving axially between engagement and disengagement the axially moving part being coaxial with the rotation, e.g. a gear with face teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
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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
Abstract
The invention discloses a wind power coupler and a transmission chain system of a wind turbine generator, relates to the technical field of wind power, solves the problems that the existing wind power coupler is easy to damage and high in maintenance cost, reduces the cost, and improves the power generation efficiency and the stability of the whole machine, and the specific scheme is as follows: first connector and second connector including coaxial setting, be connected through the protector that skids between first connector and the second connector, the protector that skids comprises the first tooth meshing body and the second tooth meshing body of coaxial setting, through the ring gear meshing that the hoop set up between the terminal surface that first tooth meshing body and second tooth meshing body are adjacent, still be equipped with moment guiding mechanism between first tooth meshing body and the second tooth meshing body, moment guiding mechanism one end is located first tooth meshing body, and the other end is located second tooth meshing body.
Description
Technical Field
The invention relates to the technical field of wind power, in particular to a wind power coupler and a transmission chain system of a wind turbine generator.
Background
The wind power coupling is an important transmission component in a transmission chain system of a wind turbine generator and has the main functions of: 1) The forward torque transmission function is used for transmitting the torque of the high-speed shaft of the gearbox to a driving shaft of the generator; 2) The reverse protection function is realized, once abnormal working conditions such as voltage sudden change, circuit short circuit and the like occur, the slip protection structure in the coupler cuts off reverse torque transmitted to the gearbox through relative slip or differential slip action, and therefore the gearbox is protected; 3) The insulating and electricity isolating function is used for isolating abnormal circuit transmission through insulating material design; 4) And the deviation rectifying and compensating function is used for compensating assembly errors through the elastic component.
The inventor finds that the existing wind power coupler slip protection device is mainly designed by adopting a friction principle, a friction plate and a friction disc are fastened together by using a plurality of groups of bolts, the friction force is adjusted by adjusting the pretightening force of the bolts, and the forward torque transmission and the reverse protection of the coupler are realized by the friction force. However, the slip protection device designed by using the friction principle has high requirements on the friction plate and short slip service life of the friction plate, and particularly when a large-angle continuous slip action far exceeding 60 degrees occurs in the use process of the fan, the service life of the slip protection device can be only dozens of times; in the actual operation of the fan, the maintenance and replacement rate of the slipping protection device is high, the machine needs to be stopped after the friction plate is worn to replace a new friction plate, the whole slipping protection device needs to be replaced seriously, the power generation efficiency and the product quality of the whole machine are reduced seriously, in addition, the friction plate and the slipping protection device use imported materials at present, and the purchase period and the maintenance cost are both high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a wind power coupling and a wind power unit transmission chain system, wherein a tooth meshing type structure is adopted to replace a friction plate and a friction disc in the traditional slip protection device, and a torque adjusting mechanism is arranged between tooth meshing bodies, so that the coupling not only has the function of forward torque transmission, but also can improve the slip durability, and the problems that the existing wind power coupling is easy to damage and high in maintenance cost are solved.
In order to realize the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a wind power coupling, which comprises a first connecting head and a second connecting head which are coaxially arranged, wherein the first connecting head and the second connecting head are connected through a slip protector, the slip protector is composed of a first tooth meshing body and a second tooth meshing body which are coaxially arranged, the adjacent end surfaces of the first tooth meshing body and the second tooth meshing body are meshed through a ring gear which is annularly arranged, a torque adjusting mechanism is further arranged between the first tooth meshing body and the second tooth meshing body, one end of the torque adjusting mechanism is located in the first tooth meshing body, and the other end of the torque adjusting mechanism is located in the second tooth meshing body.
As a further implementation manner, the first connection joint is composed of a first expansion sleeve component, a first flange, a first elastic component, a second flange, a connection sleeve and a middle insulator component which are fixedly connected in sequence, one end, far away from the connection sleeve, of the middle insulator component is fixedly connected with the first tooth meshing body, and the first elastic component is formed by sequentially stacking a plurality of elastic membranes along the axial direction.
As a further implementation manner, the middle insulator assembly is composed of an insulating spacer, an insulating washer, an insulating pin, and a metal washer for protecting the insulating washer, the insulating spacer is located between the connection sleeve and the first tooth meshing body, the bolt sequentially passes through the connection sleeve, the insulating spacer, and the first tooth meshing body and is fixed by the first nut, the insulating pin is sleeved on the bolt rod of the bolt, and two ends of the bolt rod are isolated from the adjacent insulating sleeve and the first tooth meshing body by the insulating washer.
As a further realization mode, the insulating spacer bush, the insulating washer and the insulating pin are all made of insulating materials.
As a further implementation, the insulating pin has a long cylindrical structure.
As a further implementation manner, the second connecting head is composed of a second expansion sleeve assembly, a third flange, a second elastic assembly and a fourth flange which are fixedly connected in sequence, the second elastic assembly is formed by sequentially stacking a plurality of elastic membranes along the axial direction, and the fourth flange is fixedly connected with the second tooth meshing body through a bolt.
As a further implementation manner, the torque adjusting mechanism is composed of a connecting bolt and a torque spring, the connecting bolt is composed of a bottom plate and a screw rod vertically and fixedly arranged on the bottom plate, the bottom plate is slidably arranged in the first tooth meshing body, the screw rod sequentially penetrates through the first tooth meshing body and the second tooth meshing body, the torque spring is sleeved on a rod body of the screw rod located in the second tooth meshing body, two ends of the torque spring are respectively provided with a spring washer, and two second nuts used for adjusting the deformation of the torque spring are arranged at the end part of the screw rod.
As a further implementation manner, the bottom plate is of a circular plate structure, the diameter of the bottom plate is the same as the inner diameter of the first tooth meshing body, and the screw rod and the bottom plate are coaxially arranged.
As a further implementation, the first tooth meshing body and the second tooth meshing body are both hollow structures.
In a second aspect, the invention provides a wind turbine generator transmission chain system which comprises a gear box and a generator, wherein an output shaft of the gear box is fixedly connected with a first expansion sleeve assembly, and an input shaft of the generator is fixedly connected with a second expansion sleeve assembly.
The beneficial effects of the invention are as follows:
(1) The invention is provided with the first tooth meshing body and the second tooth meshing body, the two tooth meshing bodies are meshed through the gear rings, the gear rings can bounce away from each other when the gear rings rotate reversely, the phenomenon that the friction plate and the friction disc always rub is avoided, and the torque adjusting mechanism is arranged, so that the required slip protection torque between the first tooth meshing body and the second tooth meshing body can be adjusted according to the requirement, the function of forward torque transmission is ensured, the durability of the slip service life is improved, the operation and maintenance cost of the whole machine is further reduced, and the power generation efficiency and the stability of the whole machine are also improved.
(2) The invention is provided with the elastic assembly which is formed by sequentially stacking a plurality of elastic diaphragms along the axial direction, and can compensate the assembly error of the transmission chain of the wind turbine generator.
(3) The arrangement of the intermediate insulator assembly can realize the current isolation between the first connecting head and the slip protector, ensure the insulating and electricity-isolating functions of the wind power coupler and effectively ensure the overall operation safety.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of an overall structure of a wind power coupling according to one or more embodiments of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of the intermediate insulator in the configuration of FIG. 2;
figure 4 is an enlarged fragmentary view of the mechanical tooth engagement slip protector of the arrangement shown in figure 2;
FIG. 5 is a schematic view of the first tooth engaging body of the arrangement shown in FIG. 4;
FIG. 6 is a schematic view of the second tooth engaging body of the arrangement shown in FIG. 4;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a first connector; 2. a second connector; 3. a first expansion sleeve assembly; 4. a second expansion sleeve assembly; 5. a first flange; 6. a second flange; 7. a first elastic member; 8. a second elastic member; 9. a third flange; 10. a fourth flange; 11. connecting sleeves; 12. an intermediate insulator assembly; 13. an insulating spacer sleeve; 14. an insulating washer; 15. an insulating pin; 16. a metal washer; 17. a bolt rod; 18. a first nut; 19. a slip protector; 20. a first tooth engaging body; 21. a connecting bolt; 22. a first spring washer; 23. a moment spring; 24. a second spring washer; 25. a second toothed engagement body; 26. a second nut.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced in the background art, the existing slip protection device designed by using the friction principle has high requirements on friction plates and short slip service life of the friction plates, the slip protection device has high maintenance and replacement rate in the actual operation of a fan, the fan needs to be stopped to replace a new friction plate after being worn, the whole set of slip protection device needs to be replaced seriously, and the problems of the power generation efficiency and the product quality of the whole machine are seriously reduced.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1 to 6, a wind power coupling is provided, which includes a first connector 1 for connecting an output shaft of a gearbox and a second connector 2 for connecting an input shaft of a generator, wherein the first connector 1 and the second connector 2 are coaxially connected through a slip protector 19.
As shown in fig. 2, the first connection head 1 is composed of a first expansion sleeve component 3, a first flange 5, a first elastic component 7, a second flange 6, a connection sleeve 11 and an intermediate insulator component 12, which are coaxially arranged, wherein the first expansion sleeve component 3, the first flange 5, the first elastic component 7, the second flange 6, the connection sleeve 11 and the intermediate insulator component 12 are fixedly connected in sequence.
Specifically, tight cover of first bloated tight cover subassembly 3 comprises sleeve and the tight cover that expands in the sleeve, and the accessible expands tight the expanding of cover tightly with gear box output shaft fixed connection, first tight cover subassembly 3 that expands passes through bolt and first flange 5 fixed connection, first elastic component 7 is located between first flange 5 and the second flange 6, equally through bolt fixed connection between the three.
The first elastic assembly 7 is formed by sequentially stacking a plurality of elastic diaphragms along the axial direction and is mainly used for compensating the assembly error of the transmission chain of the wind turbine generator.
Through bolt fixed connection between second flange 6 and the adapter sleeve 11, the one end that the second flange 6 was kept away from to adapter sleeve 11 passes through the bolt and skids protector 19 fixed connection, and middle insulator subassembly 12 is fixed to be set up between adapter sleeve 11 and the protector 19 that skids, and mainly used guarantees the insulating function that separates the electricity of wind-powered electricity generation shaft coupling to the isolation of electric current, has effectively guaranteed holistic operation safety.
As shown in fig. 3, the middle insulator assembly 12 is composed of an insulating spacer 13, an insulating washer 14, an insulating pin 15 and a metal washer 16, wherein the insulating spacer 13 is located between the connecting sleeve 11 and the slipping protector 19, the outer edges of the end portions of the connecting sleeve 11 and the slipping protector 19 are provided with annular protrusions, and the bolt 17 sequentially passes through the annular protrusion of the outer edge of the connecting sleeve 11, the insulating spacer 13 and the annular protrusion of the outer edge of the slipping protector 19 to realize the fixed connection of the three;
the insulating pin 13 is a long cylindrical structure, the insulating pin 13 is sleeved on the bolt rod 17 and used for insulating and isolating the bolt rod 17 from the connecting sleeve 11 and the slipping protector 19, and meanwhile, the bolt rod 17 is sleeved with the insulating washer 14 and mainly used for insulating and isolating the bolt rod 17 and the first nut 18 on the bolt rod 17 from the connecting sleeve 11 and the slipping protector 19.
The insulating spacer 13, the insulating washer 14 and the insulating pin 15 are all made of insulating materials such as rubber, the insulating spacer 13 in this embodiment is of a solid structure, the insulating spacer 13 in other embodiments can also be of a hollow structure, the insulating spacer can be specifically selected according to actual requirements, and the optimal insulating spacer is of a solid structure to guarantee the insulating effect to the greatest extent.
The second connector 2 is located the one end that first connector 1 was kept away from to the protector 19 that skids, second connector 2 expands tight cover subassembly 4 by the second of coaxial setting, second elastic component 8, third flange 9, fourth flange 10 is constituteed, wherein the second expands tight cover subassembly 4 and is equally by sleeve and fixed the setting and form at the inside tight cover that expands of sleeve, mainly used and generator input shaft's being connected, the tight cover subassembly 4 that expands of second is close to the one end of the protector 19 that skids and passes through bolt and third flange 9 fixed connection, the other end of third flange 9 passes through bolt and fourth flange 10 fixed connection.
The second elastic assembly 8 is fixedly arranged between the third flange 9 and the fourth flange 10 through bolts, the second elastic assembly 8 is also composed of a plurality of elastic diaphragms, the elastic deviation rectifying and compensating effect is achieved, and one end, far away from the third flange 9, of the fourth flange 10 is fixedly connected with the end portion of the slipping protector 19 through bolts.
As shown in fig. 4, the slip protector 19 is composed of a first tooth engaging body 20, a connecting bolt 21, a first spring washer 22, a moment spring 23, a second spring washer 24, a second tooth engaging body 25, and a second nut 26.
As shown in fig. 5 to 6, the first tooth engagement body 20 and the second tooth engagement body 25 are both hollow cylindrical structures, and one end surface of each of the first tooth engagement body 20 and the second tooth engagement body 25 is provided with a ring gear arranged along the circumferential direction, so as to form a face gear structure on one end surface of each of the first tooth engagement body 20 and the second tooth engagement body 25, and the end surfaces of the first tooth engagement body 20 and the second tooth engagement body 25 provided with the ring gear are engaged with each other.
The ends, not provided with the gear ring, of the first tooth meshing body 20 and the second tooth meshing body 25 are provided with annular protrusions arranged along the outer edges, the end, provided with the annular protrusion, of the first tooth meshing body 20 is fixedly connected with the connecting sleeve 11 through a bolt, the middle insulator assembly 12 is located between the first tooth meshing body 20 and the connecting sleeve 11, and the end, provided with the annular protrusion, of the second tooth meshing body 20 is fixedly connected with the fourth flange 10 through a bolt.
The first gear engagement body 20 is engaged with the end of the second gear engagement body 25, which is provided with the gear ring, so that when the first connection head 1 rotates, the first gear engagement body 20 can drive the second gear engagement body 25 to rotate, and further drive the second connection head 2 to rotate.
It is understood that the tooth shape parameters of the first tooth engaging body 20 and the second tooth engaging body 25 can be specifically adjusted according to actual design requirements, and specific limitations are not made herein.
The first tooth engagement body 20 and the second tooth engagement body 25 are also connected by a torque adjustment mechanism, which is composed of a connecting bolt 21, a first spring washer 22, a torque spring 23, a second spring washer 24, and a second nut 26.
Specifically, the cross section of the connecting bolt 21 is T-shaped, the connecting bolt 21 is composed of a bottom plate and a screw rod, the bottom plate is a circular plate, the diameter of the bottom plate is the same as the inner diameter of the first tooth meshing body 20, one end of the screw rod is fixedly connected with the bottom plate in a welding mode and the like, and the screw rod and the bottom plate are coaxially arranged.
The bottom plate is arranged inside the first tooth meshing body 20 in a sliding mode, the screw rod sequentially penetrates through the end portions, provided with gear rings, of the first tooth meshing body 20 and the second tooth meshing body 25 and extends into the second tooth meshing body 25, and due to the fact that the inner diameter of the bottom plate is the same as that of the first tooth meshing body 20 and the bottom plate and the screw rod are arranged coaxially, coaxiality of the first tooth meshing body 20 and the second tooth meshing body 25 is greatly guaranteed.
The rod body part of the screw rod inside the second tooth meshing body 25 is sleeved with a moment spring 23, two ends of the moment spring 23 are respectively provided with a spring washer, in this embodiment, one end of the moment spring 23 close to the first tooth meshing body 20 is provided with a first spring washer 22, the other end of the moment spring is provided with a second spring washer 24, and the end part of the screw rod is provided with two second nuts 26.
The deformation of the torque spring 23 can be adjusted by fastening the second nut 26, so that the slip protection torque required by the slip protector 19 is adjusted, and the function of transmitting torque in the positive direction is realized through torque adjustment; when the generator of the wind turbine generator is abnormally short-circuited, the torque on the side of the generator shaft is increased and reversed, and exceeds the slip protection torque value, the generator shaft and the gearbox shaft can relatively move and rotate, at the moment, the first tooth meshing body 20 and the second tooth meshing body 25 can form a rotation speed difference due to the overlarge reverse torque, the first tooth meshing body and the second tooth meshing body can relatively rotate, the two tooth meshing bodies can be far away from each other, the meshing degree between the two tooth meshing bodies is reduced, the first tooth meshing body 20 and the second tooth meshing body 25 slip, the slip protection action of the wind turbine coupler is realized, mechanisms such as a gear ring of the gearbox are protected from being damaged by the reverse torque, and because the torque spring 23 is compressed, when the generator shaft and the gearbox shaft do not relatively move and rotate any more, the torque spring 23 can push the second tooth meshing body 25 to return and be meshed with the first tooth meshing body 20 again.
The arrangement of the two second nuts 26 effectively avoids the problem of looseness in the working process, so that the stability of the slip protection torque is guaranteed, and measures such as smearing thread locking glue can be adopted during installation in order to increase the loosening effect.
It will be appreciated that in order to further increase the stability of the slip-protecting torque, it is also possible to provide the end of the screw with a variable cross-section, whereby the threads are provided on different cross-sections, such that the thread directions on different cross-sections are opposite, and to provide different cross-sections with a second nut 26 of corresponding internal diameter and thread.
The wind power coupler with the mechanical tooth meshing type slipping protector is compact in structure, and the design of a friction plate and a friction disc of a traditional wind power coupler is completely eliminated, so that the use reliability and the slipping service life durability are effectively improved, the operation and maintenance cost of the whole machine is further reduced, and the power generation efficiency and the stability of the whole machine are also improved.
Through the setting of mechanical tooth meshing type protector that skids, improved the durability of skidding, promoted shaft coupling life, help solving the painful point of trade, difficult problem. The coupler in the embodiment cancels a friction plate and a friction disc in a traditional coupler slip protection device, increases the use reliability of the coupler, reduces the replacement and maintenance costs of the friction plate and the slip protection device, and can meet the requirements of forward torque transmission and reverse slip protection of the wind power coupler.
Example 2
In another exemplary embodiment of the present invention, a wind turbine transmission chain system is provided, which uses the wind power coupling described in embodiment 1, and includes a gear box and a generator, wherein the gear box is connected to the generator through the wind power coupling having a tooth-mesh type slip protector.
Specifically, the output shaft of the gear box is fixedly connected with the first expansion sleeve assembly 3, and the input shaft of the generator is fixedly connected with the second expansion sleeve assembly 4.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation shaft coupling, its characterized in that, includes the first connector and the second connector of coaxial setting, be connected through the protector that skids between first connector and the second connector, the protector that skids comprises the first tooth meshing body and the second tooth meshing body of coaxial setting, through the ring gear meshing that the hoop set up between the terminal surface that first tooth meshing body and second tooth meshing body are adjacent, still be equipped with moment guiding mechanism between first tooth meshing body and the second tooth meshing body, moment guiding mechanism one end is located first tooth meshing body, and the other end is located the second tooth meshing body.
2. The wind power coupling as claimed in claim 1, wherein the first connection head is composed of a first expansion sleeve component, a first flange, a first elastic component, a second flange, a connection sleeve and a middle insulator component which are fixedly connected in sequence, one end of the middle insulator component, which is far away from the connection sleeve, is fixedly connected with the first tooth meshing body, and the first elastic component is formed by sequentially stacking a plurality of elastic diaphragms in an axial direction.
3. The wind power coupling according to claim 2, wherein the intermediate insulator assembly is composed of an insulating spacer, an insulating washer, an insulating pin, and a metal washer for protecting the insulating washer, the insulating spacer is located between the connecting sleeve and the first tooth engaging body, the bolt sequentially passes through the connecting sleeve, the insulating spacer, the first tooth engaging body and is fixed by a first nut, the insulating pin is sleeved on a bolt rod of the bolt, and two ends of the bolt rod are isolated from the adjacent insulating sleeve and the first tooth engaging body by the insulating washer.
4. The wind power coupling according to claim 3, wherein the insulating spacer, the insulating washer and the insulating pin are made of insulating materials.
5. A wind power coupling according to claim 3, wherein said insulating pin is of a long cylindrical configuration.
6. The wind power coupling of claim 1, wherein the second connecting head comprises a second expansion sleeve assembly, a third flange, a second elastic assembly and a fourth flange which are sequentially and fixedly connected, the second elastic assembly is formed by sequentially stacking a plurality of elastic diaphragms along an axial direction, and the fourth flange is fixedly connected with the second tooth meshing body through a bolt.
7. The wind power coupler according to claim 1, wherein the torque adjusting mechanism comprises a connecting bolt and a torque spring, the connecting bolt comprises a bottom plate and a screw rod vertically and fixedly arranged on the bottom plate, the bottom plate is slidably arranged in the first tooth meshing body, the screw rod sequentially penetrates through the first tooth meshing body and the second tooth meshing body, the torque spring is sleeved on a rod body of the screw rod located in the second tooth meshing body, two ends of the torque spring are respectively provided with a spring washer, and two second nuts used for adjusting the deformation of the torque spring are arranged at the end of the screw rod.
8. The wind power coupling of claim 7, wherein the base plate is a circular plate, the diameter of the base plate is the same as the inner diameter of the first tooth engagement body, and the threaded rod is coaxially arranged with the base plate.
9. The wind power coupling according to claim 1, wherein the first and second tooth engagement bodies are both hollow.
10. A wind turbine generator system drive chain system utilizes the wind power coupling of any one of claims 1-9, and is characterized by comprising a gear box and a generator, wherein an output shaft of the gear box is fixedly connected with the first tensioning sleeve assembly, and an input shaft of the generator is fixedly connected with the second tensioning sleeve assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210975944.5A CN115539520A (en) | 2022-08-15 | 2022-08-15 | Wind power coupling and wind turbine generator system transmission chain system |
| PCT/CN2022/128363 WO2024036755A1 (en) | 2022-08-15 | 2022-10-28 | Wind turbine coupling, and transmission chain system for wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210975944.5A CN115539520A (en) | 2022-08-15 | 2022-08-15 | Wind power coupling and wind turbine generator system transmission chain system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115539520A true CN115539520A (en) | 2022-12-30 |
Family
ID=84725929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210975944.5A Pending CN115539520A (en) | 2022-08-15 | 2022-08-15 | Wind power coupling and wind turbine generator system transmission chain system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115539520A (en) |
| WO (1) | WO2024036755A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284799Y (en) * | 2008-10-24 | 2009-08-05 | 开天传动技术(上海)有限公司 | Coupling for high speed shaft of aerogenerator |
| CN107120239B (en) * | 2017-03-10 | 2023-04-18 | 利恩传动设备（常州）有限公司 | Wind-driven generator |
| CN206957874U (en) * | 2017-06-21 | 2018-02-02 | 明阳智慧能源集团股份公司 | A kind of coupler structure suitable for driving chain of wind generating set |
| CN107565761A (en) * | 2017-10-30 | 2018-01-09 | 深圳市西格传动科技有限公司 | A kind of reducing motor with Overloading protection apparatus |
| CN207960847U (en) * | 2018-01-22 | 2018-10-12 | 江苏磁谷科技股份有限公司 | A kind of wind power generating set main transmission |
| DK3798460T3 (en) * | 2019-09-30 | 2023-01-30 | Siemens Gamesa Renewable Energy Deutschland Gmbh | PROPULSION SYSTEM OF A WIND TURBINE COMPRISING A TORQUE LIMITER, WIND TURBINE |
-
2022
- 2022-08-15 CN CN202210975944.5A patent/CN115539520A/en active Pending
- 2022-10-28 WO PCT/CN2022/128363 patent/WO2024036755A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2024036755A1 (en) | 2024-02-22 |
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