CN215521794U - Horizontal shaft wind turbine generator main shaft with vibration damping - Google Patents
Horizontal shaft wind turbine generator main shaft with vibration damping Download PDFInfo
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- CN215521794U CN215521794U CN202120448619.4U CN202120448619U CN215521794U CN 215521794 U CN215521794 U CN 215521794U CN 202120448619 U CN202120448619 U CN 202120448619U CN 215521794 U CN215521794 U CN 215521794U
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- main shaft
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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
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Abstract
The utility model discloses a horizontal shaft wind turbine main shaft with vibration damping, which comprises a fixed tower, wherein a supporting plate is fixedly connected on the inner side wall of the fixed tower, a damping rod is fixedly connected on the outer side wall of the supporting plate, the tail end of the damping rod is fixedly connected with a sleeve, a main shaft is rotatably connected on the inner side wall of the sleeve, an inner bearing is fixedly connected on the outer side wall of the main shaft, an outer bearing is rotatably connected on the outer side wall of the inner bearing, sealing blocks are symmetrically and fixedly connected on the outer side wall of the outer bearing, a lubricating box is fixedly connected on the inner side wall of the fixed tower, a lubricating mechanism is slidably connected on the inner side wall of the lubricating box, the main shaft can increase the downward moving distance of the sleeve, so that more lubricating oil can be conveyed between the outer bearing and the inner bearing, and more gas can be compressed between the main shaft and the sealing blocks, and maintaining the high pressure state between the main shaft and the sealing block.
Description
Technical Field
The utility model relates to the technical field of wind turbine generators, in particular to a horizontal shaft wind turbine generator main shaft with vibration damping.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components.
The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
Through retrieval, a Chinese patent of utility model No. CN210859808U discloses a horizontal axis wind turbine main shaft with damping, which comprises a movable ring and a stationary ring, wherein the stationary ring comprises a stationary ring connecting ring arranged along the axial direction and a stationary ring fixing ring and a stationary ring sealing ring arranged along the radial direction, the stationary ring fixing ring is attached to an end cover and is connected and fixed with the end cover through a bolt, and a sealing cavity is formed by the stationary ring sealing ring, the stationary ring connecting ring and the end cover through clamping; the section of the movable ring is L-shaped, the movable ring comprises a movable ring sealing ring arranged along the radial direction and a movable ring connecting ring arranged along the axial direction, the movable ring connecting ring is sleeved on the shaft sleeve and fixed with the shaft sleeve, a sealing lip is arranged on the outer circumference of the movable ring sealing ring, the sealing lip is positioned in the sealing cavity, and the sealing lip, the inner wall of the static ring sealing ring and the outer wall of the end cover are in close contact sealing. The device can be transformed and installed on line on the basis of the structure of the original main shaft of the wind generating set, so that the sealing performance of the wind generating set is improved, and the labor intensity of workers for overhauling is reduced.
However, the leakage phenomenon still occurs in the long-time use process of the device, so that the lubricating oil inside the bearing is reduced, the friction inside the bearing is increased in the process of rotating the main shaft, the vibration generated by the fan blades is increased in the rotating process, the service life of the main shaft and the bearing is shortened, a large amount of time and manpower are needed to be consumed for lubricating and maintaining the bearing and the main shaft through manpower, the power generation time is also reduced, and therefore the horizontal shaft wind turbine main shaft with the vibration damping is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the service life of a main shaft and a bearing is reduced due to leakage of lubricating oil in the bearing during long-time work in the prior art, and provides a main shaft of a horizontal shaft wind turbine generator with vibration damping.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a horizontal shaft wind turbine main shaft with vibration damping comprises a fixed tower, wherein a supporting plate is fixedly connected to the inner side wall of the fixed tower, a damping rod is fixedly connected to the outer side wall of the supporting plate, a sleeve is fixedly connected to the tail end of the damping rod, a main shaft is rotatably connected to the inner side wall of the sleeve, an inner bearing is fixedly connected to the outer side wall of the main shaft, an outer bearing is rotatably connected to the outer side wall of the inner bearing, sealing blocks are symmetrically and fixedly connected to the outer side wall of the outer bearing, a lubricating box is fixedly connected to the inner side wall of the fixed tower, a lubricating mechanism is slidably connected to the inner side wall of the lubricating box, a locking box is fixedly connected to the inner side wall of the fixed tower, a sealing mechanism is slidably connected to the inner side wall of the locking box, a positioning groove is formed in the outer side wall of the fixed tower, and the main shaft penetrates through the positioning groove, the end fixedly connected with rotor blade of main shaft, fixedly connected with spring on the lateral wall of damping lever, the end and the telescopic lateral wall fixed connection of spring, symmetry fixedly connected with connecting rod on the lateral wall of outer bearing, the end and the telescopic lateral wall fixed connection of connecting rod.
Preferably, the outer side wall of spring and damping rod is around establishing, the material of spring is the spring steel.
Preferably, the outer side wall of the sealing block is symmetrically and fixedly connected with sealing teeth, and the sealing teeth are close to but not in contact with the outer side wall of the main shaft.
Preferably, lubricating mechanism includes the stripper plate of sliding connection on lubricated incasement lateral wall, fixedly connected with stripper bar on the lateral wall of stripper plate, the lateral wall of the lubricated case of running through of stripper bar, the lateral wall of the lubricated case run through the backup pad, the terminal and the telescopic lateral wall fixed connection of stripper bar, the bottom fixed mounting of lubricated case has lubricated pipe.
Preferably, the extrusion plate is tightly attached to the periphery of the inner side wall of the lubricating box.
Preferably, the lubricating pipe penetrates through the outer side wall of the outer bearing, a one-way discharge valve is fixedly mounted inside the lubricating pipe, a penetrating groove is formed in the outer side wall of the lubricating box, an oil inlet pipe is fixedly connected to the outer side wall of the extrusion plate, the outer side wall of the oil inlet pipe penetrates through the lubricating box, and the outer side wall of the oil inlet pipe penetrates through the fixing tower.
Preferably, sealing mechanism includes the piston plate of sliding connection on the locking incasement lateral wall, fixedly connected with piston rod on the outside of piston plate, the piston rod runs through the lateral wall of locking case, the piston rod runs through the lateral wall of backup pad, the terminal and the telescopic lateral wall fixed connection of piston rod, fixedly connected with blast pipe on the lateral wall of locking case.
Preferably, the piston plate is tightly attached to the periphery of the inner side wall of the locking box.
Preferably, the tail end of the exhaust pipe penetrates through the outer side wall of the sealing block, a limiting groove is formed in the outer side wall of the locking box, and a one-way exhaust valve is fixedly mounted inside the exhaust pipe.
Preferably, an air suction pipe is fixedly connected to the outer side wall of the locking box, the air suction pipe penetrates through the outer side wall of the fixed tower, and a one-way air inlet valve is fixedly mounted on the inner side wall of the air suction pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the leakage condition can occur in the long-time use process, the lubricating oil flows out through the gap between the sealing block and the main shaft, so that the friction force generated by the main shaft in the working process is increased, the lubricating oil is reduced, the temperature generated by friction cannot be discharged in time, the service life of the main shaft and the outer bearing is influenced, the rotor blade is blocked in the rotating process, the main shaft can vibrate when the rotor blade is blocked, the sleeve can move downwards by the main shaft, the extrusion rod can move downwards by the sleeve in the downward moving process, the extrusion rod extrudes the lubricating oil in the lubricating box through the extrusion plate, the lubricating oil is discharged between the inner bearing and the outer bearing through the lubricating pipe, the lubricating oil between the outer bearing and the inner bearing is supplemented, the friction force generated when the inner bearing and the outer bearing rotate is reduced, and the heat generated in the rotating process can be rapidly discharged at the same time, the service life of the inner bearing and the outer bearing is ensured, and the main shaft is more stable in the rotating process.
The sleeve can make the piston rod downstream in downstream, the piston rod drives piston board downstream, piston board downstream extrudees the gas of locking incasement portion, gas in the piston board passes through blast pipe upward movement, thereby it forms high-pressure gas to rush into between sealed piece and the main shaft with gas through the blast pipe, seal up through high pressure to the bearing, avoid lubricating oil to take place to leak, the realization is to the lubrication and the sealing of wind turbine generator main bearing, thereby can reduce the repair time to wind turbine generator system, reduce a large amount of manual works, the protection to the main shaft has been realized simultaneously, outer bearing and inner bearing.
More that lubricating oil between outer bearing and the inner bearing revealed to make the main shaft produce in the course of the work the card pause more serious more, the main shaft can make the distance increase of sleeve downstream, thereby to can advancing between outer bearing and the inner bearing more lubricating oil, can also compress more gas to between main shaft and the sealed piece simultaneously, keep the high pressure state between main shaft and the sealed piece, vibration is to the injury of main shaft and bearing when can reducing the inside lack of oil of bearing through the cooperation use of damping lever and spring.
Drawings
FIG. 1 is a schematic structural diagram of a horizontal axis wind turbine main shaft with vibration damping provided by the utility model;
FIG. 2 is a cross-sectional view of a bearing portion of the present invention;
FIG. 3 is a side view of the bearing of the present invention;
FIG. 4 is an enlarged view of portion A of the present invention;
FIG. 5 is an enlarged view of portion B of the present invention;
FIG. 6 is an enlarged view of portion C of the present invention;
fig. 7 is an enlarged view of the portion D of the present invention.
In the figure: the device comprises a fixed tower 1, a supporting plate 2, a damping rod 3, a sleeve 4, a main shaft 5, an outer bearing 6, a rotor blade 7, a sealing tooth 8, a lubricating box 9, an exhaust pipe 10, a lubricating pipe 11, an inner bearing 12, a connecting rod 13, a through groove 14, a sealing block 15, a spring 16, a piston rod 17, a positioning groove 18, an extrusion rod 19, an extrusion plate 20, an oil inlet pipe 21, a locking box 22, an air suction pipe 23, a piston plate 24 and a limiting groove 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a horizontal axis wind turbine main shaft with vibration damping comprises a fixed tower 1, a support plate 2 is fixedly connected to the inner side wall of the fixed tower 1, a damping rod 3 is fixedly connected to the outer side wall of the support plate 2, a sleeve 4 is fixedly connected to the end of the damping rod 3, a main shaft 5 is rotatably connected to the inner side wall of the sleeve 4, an inner bearing 12 is fixedly connected to the outer side wall of the main shaft 5, an outer bearing 6 is rotatably connected to the outer side wall of the inner bearing 12, a positioning groove 18 is formed in the outer side wall of the fixed tower 1, the main shaft 5 penetrates through the positioning groove 18, a rotor blade 7 is fixedly connected to the end of the main shaft 5, a spring 16 is fixedly connected to the outer side wall of the damping rod 3, the spring 16 and the outer side wall of the damping rod 3 are wound, the spring 16 is made of spring steel, and has high tensile strength, elastic limit, fatigue strength and good flexibility, thereby playing a role of shock absorption through contraction when receiving external force, the tail end of the spring 16 is fixedly connected with the outer side wall of the sleeve 4, the outer side wall of the outer bearing 6 is symmetrically and fixedly connected with the connecting rod 13, the tail end of the connecting rod 13 is fixedly connected with the outer side wall of the sleeve 4, the outer side wall of the outer bearing 6 is symmetrically and fixedly connected with the sealing block 15, the outer side wall of the sealing block 15 is symmetrically and fixedly connected with the sealing teeth 8, the sealing teeth 8 are close to but not in contact with the outer side wall of the main shaft 5, the inner side wall of the fixing tower 1 is fixedly connected with the lubricating box 9, the inner side wall of the lubricating box 9 is slidably connected with the lubricating mechanism, the lubricating mechanism comprises a squeezing plate 20 slidably connected with the inner side wall of the lubricating box 9, the squeezing rod 19 is fixedly connected with the outer side wall of the squeezing plate 20, the squeezing plate 20 is closely attached to the periphery of the inner side wall of the lubricating box 9, and the squeezing rod 19 penetrates through the outer side wall of the lubricating box 9, the lubricating box 9 penetrates through the outer side wall of the supporting plate 2, the tail end of the extrusion rod 19 is fixedly connected with the outer side wall of the sleeve 4, the lubricating pipe 11 is fixedly installed at the bottom of the lubricating box 9, the lubricating pipe 11 penetrates through the outer side wall of the outer bearing 6, the one-way discharge valve is fixedly installed inside the lubricating pipe 11, the penetrating groove 14 is formed in the outer side wall of the lubricating box 9, the oil inlet pipe 21 is fixedly connected to the outer side wall of the extrusion plate 20, the oil inlet pipe 21 penetrates through the outer side wall of the lubricating box 9, the outer side wall of the oil inlet pipe 21 penetrates through the fixing tower 1, lubricating oil can be discharged between the inner bearing 12 and the outer bearing 6 through the lubricating pipe 11 through a lubricating mechanism, the lubricating oil between the outer bearing 6 and the inner bearing 12 is supplemented, the friction force generated when the inner bearing 12 and the outer bearing 6 rotate is reduced, meanwhile, heat generated in the rotating process can be rapidly discharged, and the service lives of the inner bearing 12 and the outer bearing 6 are guaranteed, the main shaft 5 is more stable in the rotating process;
the inner side wall of the fixed tower 1 is fixedly connected with a locking box 22, the inner side wall of the locking box 22 is connected with a sealing mechanism in a sliding way, the sealing mechanism comprises a piston plate 24 which is connected on the inner side wall of the locking box 22 in a sliding way, the periphery of the inner side wall of the piston plate 24 and the locking box 22 is tightly attached, the outer side of the piston plate 24 is fixedly connected with a piston rod 17, the piston rod 17 penetrates through the outer side wall of the locking box 22, the piston rod 17 penetrates through the outer side wall of a supporting plate 2, the tail end of the piston rod 17 is fixedly connected with the outer side wall of a sleeve 4, the outer side wall of the locking box 22 is fixedly connected with an exhaust pipe 10, the tail end of the exhaust pipe 10 penetrates through the outer side wall of a sealing block 15, the outer side wall of the locking box 22 is provided with a limiting groove 25, the interior of the exhaust pipe 10 is fixedly provided with a one-way exhaust valve, the outer side wall of the locking box 22 is fixedly connected with an air suction pipe 23, and the air suction pipe 23 penetrates through the outer side wall of the fixed tower 1, fixed mounting has one-way admission valve on the inside wall of breathing pipe 23, can rush into gas through blast pipe 10 through sealing mechanism and form high-pressure gas between sealed piece 15 and the main shaft 5, seals through high pressure to bearing, avoids lubricating oil to take place to leak, realizes the lubrication and the sealing to wind turbine main bearing to can reduce the maintenance time to wind turbine generator system, reduce a large amount of manual works.
In the utility model, in the long-term use process, the lubricating oil arranged between the outer bearing 6 and the inner bearing 12 may leak, the reduction of the lubricating oil can increase the friction resistance of the inner bearing 12 and the outer bearing 6 in the rotation process, and the heat generated in the friction process cannot be discharged in time, thereby causing damage to the inner bearing 12, the outer bearing 6 and the main shaft 5;
the friction increase between the outer bearing 6 and the inner bearing 12 can enable the rotor blade 7 to be blocked in the rotating process, the rotor blade 7 can enable the main shaft 5 to vibrate while being blocked, and further enable the sleeve 4 to move downwards, the damping rod 3 can move downwards while compressing the spring 16 during the downward movement of the sleeve 4, the extrusion rod 19 can move downwards to extrude hydraulic oil inside the lubricating box 9 by the sleeve 4, the lubricating oil inside the lubricating box 9 is extruded by the extrusion rod 19 through the extrusion plate 20, the lubricating oil is discharged between the inner bearing 12 and the outer bearing 6 through the lubricating pipe 11, the lubricating oil between the outer bearing 6 and the inner bearing 12 is supplemented, the friction force during the rotation between the inner bearing 12 and the outer bearing 6 is reduced, meanwhile, heat generated in the rotating process can be rapidly discharged, and the service lives of the inner bearing 12 and the outer bearing 6 are guaranteed, the main shaft 5 is more stable in the rotating process;
the sleeve 4 can enable the piston rod 17 to move downwards in the downward movement process, the piston rod 17 can extrude gas in the locking box 22 in the downward movement process, the gas in the piston plate 24 moves upwards through the exhaust pipe 10, and therefore the gas is flushed between the sealing block 15 and the main shaft 5 through the exhaust pipe 10 to form high-pressure gas, and the distance between the sealing teeth 8 and the outer side wall of the main shaft 5 is very close, so that the lubricating oil can be sealed through the high-pressure gas, and the lubricating oil is prevented from leaking;
the elasticity of the spring 16 enables the sleeve 4 to move upwards to realize resetting, at the moment, the lubricating oil is discharged into the lubricating box 9 through the oil inlet pipe 21 to realize the supplement of the lubricating oil, the piston plate 24 also moves upwards along with the piston rod 17, the outside air is sucked into the locking box 22 through the air suction pipe 23, the one-way air inlet valve arranged in the air suction pipe 23 can avoid the escape of air through the air suction pipe 23 during compression, when the more the lubricating oil between the outer bearing 6 and the inner bearing 12 is leaked, the more serious the blockage generated in the working process of the main shaft 5 is, the larger the distance of downward movement of the sleeve 4 is, and therefore the quantitative supplement of the lubricating oil inside the outer bearing 6 can be realized, and simultaneously, the high-pressure sealing can be carried out on the sealing block 15.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a horizontal axis wind turbine main shaft from area damping, includes fixed tower (1), its characterized in that, fixedly connected with backup pad (2) on the inside wall of fixed tower (1), fixedly connected with damping rod (3) on the lateral wall of backup pad (2), the end fixedly connected with sleeve (4) of damping rod (3), rotate on the inside wall of sleeve (4) and be connected with main shaft (5), fixedly connected with inner bearing (12) on the lateral wall of main shaft (5), rotate on the lateral wall of inner bearing (12) and be connected with outer bearing (6), symmetry fixedly connected with seal block (15) on the lateral wall of outer bearing (6), fixedly connected with lubrication box (9) on the inside wall of fixed tower (1), sliding connection has lubricating mechanism on the inside wall of lubrication box (9), fixedly connected with locking box (22) on the inside wall of fixed tower (1), sliding connection has sealing mechanism on the inside wall of locking case (22), constant head tank (18) have been seted up on the lateral wall of fixed tower (1), constant head tank (18) are run through in main shaft (5), terminal fixedly connected with rotor blade (7) of main shaft (5), fixedly connected with spring (16) on the lateral wall of damping rod (3), the terminal of spring (16) and the lateral wall fixed connection of sleeve (4), symmetry fixedly connected with connecting rod (13) on the lateral wall of outer bearing (6), the terminal of connecting rod (13) and the lateral wall fixed connection of sleeve (4).
2. The main shaft of the horizontal shaft wind turbine generator with the vibration damping function according to claim 1, wherein the spring (16) is wound around the outer side wall of the damping rod (3), and the spring (16) is made of spring steel.
3. The main shaft of the horizontal shaft wind turbine with the vibration damping function as claimed in claim 1, wherein the sealing teeth (8) are symmetrically and fixedly connected to the outer side wall of the sealing block (15), and the sealing teeth (8) are close to but not in contact with the outer side wall of the main shaft (5).
4. The main shaft with the vibration damping function for the horizontal shaft wind turbine generator set is characterized in that the lubricating mechanism comprises an extrusion plate (20) which is slidably connected onto the inner side wall of a lubricating box (9), an extrusion rod (19) is fixedly connected onto the outer side wall of the extrusion plate (20), the extrusion rod (19) penetrates through the outer side wall of the lubricating box (9), the lubricating box (9) penetrates through the outer side wall of a supporting plate (2), the tail end of the extrusion rod (19) is fixedly connected with the outer side wall of a sleeve (4), and a lubricating pipe (11) is fixedly mounted at the bottom of the lubricating box (9).
5. The self-damping horizontal shaft wind turbine main shaft is characterized in that the extrusion plate (20) is tightly attached to the periphery of the inner side wall of the lubricating box (9).
6. The horizontal shaft wind turbine main shaft with the vibration damping function is characterized in that the lubricating pipe (11) penetrates through the outer side wall of the outer bearing (6), a one-way discharge valve is fixedly mounted inside the lubricating pipe (11), a penetrating groove (14) is formed in the outer side wall of the lubricating box (9), an oil inlet pipe (21) is fixedly connected to the outer side wall of the extrusion plate (20), the outer side wall of the oil inlet pipe (21) penetrates through the lubricating box (9), and the outer side wall of the oil inlet pipe (21) penetrates through the fixing tower (1).
7. The main shaft with the vibration damping function for the horizontal shaft wind turbine generator set according to claim 1, wherein the sealing mechanism comprises a piston plate (24) slidably connected to the inner side wall of the locking box (22), a piston rod (17) is fixedly connected to the outer side of the piston plate (24), the piston rod (17) penetrates through the outer side wall of the locking box (22), the piston rod (17) penetrates through the outer side wall of the supporting plate (2), the tail end of the piston rod (17) is fixedly connected to the outer side wall of the sleeve (4), and an exhaust pipe (10) is fixedly connected to the outer side wall of the locking box (22).
8. The self-damping horizontal shaft wind turbine main shaft is characterized in that the piston plate (24) is tightly attached to the periphery of the inner side wall of the locking box (22).
9. The horizontal shaft wind turbine main shaft with the vibration damping function is characterized in that the tail end of the exhaust pipe (10) penetrates through the outer side wall of the sealing block (15), the outer side wall of the locking box (22) is provided with a limiting groove (25), and a one-way exhaust valve is fixedly mounted inside the exhaust pipe (10).
10. The main shaft of the horizontal-axis wind turbine with vibration damping function of claim 9, wherein an air suction pipe (23) is fixedly connected to the outer side wall of the locking box (22), the air suction pipe (23) penetrates through the outer side wall of the fixed tower (1), and a one-way air inlet valve is fixedly mounted on the inner side wall of the air suction pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448619.4U CN215521794U (en) | 2021-03-02 | 2021-03-02 | Horizontal shaft wind turbine generator main shaft with vibration damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448619.4U CN215521794U (en) | 2021-03-02 | 2021-03-02 | Horizontal shaft wind turbine generator main shaft with vibration damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521794U true CN215521794U (en) | 2022-01-14 |
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ID=79799847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120448619.4U Expired - Fee Related CN215521794U (en) | 2021-03-02 | 2021-03-02 | Horizontal shaft wind turbine generator main shaft with vibration damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048184A (en) * | 2021-03-02 | 2021-06-29 | 中国大唐集团新能源科学技术研究院有限公司 | Horizontal shaft wind turbine generator main shaft with vibration damping |
-
2021
- 2021-03-02 CN CN202120448619.4U patent/CN215521794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048184A (en) * | 2021-03-02 | 2021-06-29 | 中国大唐集团新能源科学技术研究院有限公司 | Horizontal shaft wind turbine generator main shaft with vibration damping |
| CN113048184B (en) * | 2021-03-02 | 2025-02-14 | 中国大唐集团新能源科学技术研究院有限公司 | A main shaft of a horizontal axis wind turbine with built-in vibration damping |
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Granted publication date: 20220114 |