CN220302626U - Wind-driven generator base damping device - Google Patents
Wind-driven generator base damping device Download PDFInfo
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- CN220302626U CN220302626U CN202322039114.4U CN202322039114U CN220302626U CN 220302626 U CN220302626 U CN 220302626U CN 202322039114 U CN202322039114 U CN 202322039114U CN 220302626 U CN220302626 U CN 220302626U
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- 238000013016 damping Methods 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000035939 shock Effects 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 26
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model relates to the technical field of wind power generation equipment, and discloses a wind power generator base damping device, which comprises a mounting base, wherein two damping parts which are distributed up and down are arranged at the bottom of the mounting base, one damping part is arranged along the left-right direction, and the other damping part is arranged along the front-back direction; the piston plate is driven by the piston rod to slide into the piston cylinder to extrude hydraulic oil, the piston plate I and the piston plate II are close to each other through the resistance of the hydraulic oil to the piston plate II, the pressing column is sleeved on the outer side of the triangular sealing strip through the conical groove, the triangular sealing strip is gathered together to seal the through hole, and in the damping component at one side opposite to the vibration direction of the mounting base, the triangular sealing strip is in an open state, the hydraulic oil flows through the through hole, and the movement of the fixing plate is restrained through the resistance of the hydraulic oil to the piston plate I and the piston plate II and the resistance of the hydraulic oil when the hydraulic oil flows through the through hole, so that the vibration of the mounting base is restrained.
Description
Technical Field
The utility model relates to the technical field of wind power generation equipment, in particular to a damping device for a base of a wind power generator.
Background
Wind energy is used as a novel clean energy source and is commonly used in wind power generation. The fan blades are blown by wind to rotate, so that the wind driven generator is driven to operate, and power generation is performed. In order to stably receive the blowing of the fan blade, the support is generally arranged higher to support the fan blade.
The application date is as follows: 2022-09-30, chinese patent publication No. CN218294310U discloses a wind turbine foundation damping device, comprising a mounting base, a support column and a fixing plate; the fixed plate is arranged above the mounting base; the upper end of the mounting base is fixedly provided with an annular plate, the inner side of the annular plate is vertically and slidably provided with a buffer plate, and the bottom end of the buffer plate is provided with a plurality of damping assemblies A; the upper end of the buffer plate is provided with a mounting base, a plurality of arc-shaped clamping blocks are arranged on the outer side of the mounting base along the annular array, and a damping component B is connected between the arc-shaped clamping blocks and the annular plate; a limiting block is detachably arranged at the top end of the arc-shaped clamping block, and a bolt B is connected to the limiting block in a threaded manner; the fixed plate is provided with two clamping plates in a sliding manner, and the fixed plate is provided with a driving assembly for driving the two clamping plates to approach or separate from each other; an annular limit groove A and an annular limit groove B are formed in the lower portion of the support column. The utility model has good damping effect, convenient maintenance work and strong practicability.
In this technical scheme, carry out the centre gripping support to the mounting base from all around through the arc clamp splice that the array set up to carry out the shock attenuation when vibrating the mounting base all around through damper B, but the mounting base is to one of them direction vibration, and pressure is mainly concentrated on one of them damper B, and when single damper B resisted pressure, the shock attenuation effect is relatively poor, thereby can do further improvement.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a damping device for a wind driven generator base, which has the advantages of concentrated damping in front, back, left and right directions, good damping effect and the like, and solves the problems that the pressure is concentrated in one direction and the damping effect is poor.
In order to achieve the purpose of centralized shock absorption in the front-back direction and the left-right direction and good shock absorption effect, the utility model provides the following technical scheme: the damping device for the wind driven generator base comprises a mounting base, wherein two damping parts which are distributed up and down are arranged at the bottom of the mounting base, one damping part is arranged along the left-right direction, and the other damping part is arranged along the front-back direction; the damping component comprises two fan-shaped plates and two sealing covers, wherein the two fan-shaped plates are oppositely arranged, the two sealing covers are oppositely arranged, a mounting cavity is formed by encircling the fan-shaped plates and the sealing covers, two connecting plates parallel to the sealing covers are arranged in the mounting cavity, sliding rods are fixedly arranged on one sides of the two connecting plates opposite to each other, a fixed plate is fixedly arranged at the other end of the sliding rods, a supporting plate is arranged below the mounting cavity, two supporting partition plates are fixedly arranged at the top of the supporting plate, the sliding rods penetrate through the supporting partition plates and are connected onto the supporting partition plates in a sliding mode, the connecting plates and the fixed plates are respectively positioned on two sides of the supporting partition plates, springs I are arranged between the connecting plates and the supporting partition plates in an array mode, damping components are arranged on one side, away from the sliding rods, of the fixed plates in an array mode, and the damping components are fixedly arranged on the supporting plate; the upper layer the inside sector plate of shock attenuation part, sealed cowling and connecting plate fixed mounting are in the bottom of mounting base, and the lower floor the inside sector plate of shock attenuation part, sealed cowling and connecting plate fixed mounting are in the inside layer board bottom of upper shock attenuation part.
Preferably, the damping component comprises piston rods arranged on the fixed plate in an array manner, a first piston plate is fixedly arranged at the other end of the piston rods, through holes are formed in the surface of the first piston plate in an array manner, mounting holes are formed in the centers of the assemblies of the piston rods and the first piston plate, inserting rods are inserted in the centers of the mounting holes, a second spring is fixedly arranged between each inserting rod and the end face of each mounting hole, a second piston plate is fixedly arranged at the other end of each inserting rod, a piston cylinder is arranged on the outer side of the first piston plate, and the first piston plate is slidably connected in the corresponding piston cylinder.
Preferably, the damping component further comprises a supporting rod arranged in a through hole formed in an array of the piston plate, the supporting rod is arranged along the axis of the through hole and fixedly installed on the inner wall of one side of the through hole close to the piston rod, a supporting block is fixedly installed at the other end of the supporting rod, a rubber ring is arranged on the surface array of the first piston plate and corresponds to the through hole one by one, the rubber ring is arranged at the opening of the through hole, a triangular sealing strip is arranged on the surface array of the rubber ring, a pressing column is arranged on the side of the second piston plate close to the first piston plate and corresponds to the through hole array, and a conical groove is formed in the end part of the pressing column and is matched with the triangular sealing strip.
Preferably, the diameter of the first piston plate is equal to the inner diameter of the piston cylinder, the first piston plate is arranged in the middle of the piston cylinder, and the diameter of the second piston plate is smaller than that of the first piston plate.
Preferably, the supporting block is in a round table shape, the triangular sealing strip is attached to the surface of the supporting block, and the supporting block and the pressing column are clamped on the inner side and the outer side of the triangular sealing strip.
Preferably, the plunger plate II is kept away from to the inserted bar one end and is provided with spacing plectane, the inside aperture of mounting hole equals with spacing plectane diameter, mounting hole opening part aperture equals with the inserted bar aperture, spring II passes through spacing plectane and inserted bar fixed mounting.
Compared with the prior art, the utility model provides the wind driven generator base damping device, which has the following beneficial effects:
according to the wind driven generator base damping device, a piston plate is driven to slide into a piston cylinder through a piston rod, hydraulic oil is extruded, the piston plate I and the piston plate II are close to each other through the resistance of the hydraulic oil to the piston plate II, a pressing column is sleeved on the outer side of a triangular sealing strip through a conical groove, the triangular sealing strip is supported from the inner side through a supporting block, the triangular sealing strip is gathered together, and a through hole is sealed; the hydraulic oil is extruded when the first piston plate moves, and the reaction force of the hydraulic oil on the first piston plate inhibits the movement of the fixed plate, so that the vibration of the mounting base is inhibited; in the damping component at the side opposite to the vibration direction of the mounting base, the piston plate I is pulled by the piston rod to slide outwards along the piston cylinder, and the piston plate II is far away from the piston plate I under the resistance of hydraulic oil, so that the triangular sealing strip is in an open state, the hydraulic oil flows through the through holes, and the movement of the fixing plate is restrained by the resistance of the hydraulic oil to the piston plate I and the piston plate II and the resistance of the hydraulic oil flowing through the through holes, so that the vibration of the mounting base is restrained. Therefore, extrusion force generated when the mounting base vibrates is achieved, centralized resistance is achieved, and the damping effect is good.
Drawings
FIG. 1 is a schematic perspective view of a damping device for a wind turbine foundation according to the present utility model;
FIG. 2 is a schematic perspective view of a damping device for a wind turbine foundation according to the present utility model;
FIG. 3 is a schematic perspective view of a wind turbine foundation of the present utility model;
FIG. 4 is a schematic view of a perspective view of a portion of a damping member of a damping device for a wind turbine base according to the present utility model;
FIG. 5 is a schematic perspective view of a shock absorbing assembly of a wind turbine base shock absorbing device according to the present utility model;
fig. 6 is a schematic perspective view of a shock absorbing assembly of a wind turbine base shock absorbing device according to the present utility model.
In the figure: 1. a mounting base; 2. a shock absorbing member; 21. a sector plate; 22. a sealing cover; 23. a connecting plate; 24. a slide bar; 25. a fixing plate; 26. a supporting partition; 27. a first spring; 28. a shock absorbing assembly; 29. a supporting plate; 2801. a piston rod; 2802. a first piston plate; 2803. a through hole; 2804. a support rod; 2805. a support block; 2806. a rubber ring; 2807. triangular sealing strips; 2808. a mounting hole; 2809. a rod; 2810. a second spring; 2811. a second piston plate; 2812. pressing a column; 2813. a piston cylinder.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a wind driven generator base damping device comprises a mounting base 1, wherein two damping parts 2 distributed up and down are arranged at the bottom of the mounting base 1, one damping part 2 is arranged along the left-right direction, and the other damping part 2 is arranged along the front-back direction; so that the front-rear direction pressing force and the left-right direction pressing force generated when the mounting base 1 vibrates are resisted by the cooperation of the two shock absorbing members 2.
Referring to fig. 2-4, the damping component 2 includes two opposite sector plates 21 and two opposite seal covers 22, the sector plates 21 and the seal covers 22 enclose a mounting cavity, two connecting plates 23 parallel to the seal covers 22 are arranged in the mounting cavity, sliding rods 24 are fixedly mounted on opposite sides of the two connecting plates 23, a fixing plate 25 is fixedly mounted at the other end of the sliding rods 24, a supporting plate 29 is arranged below the mounting cavity, the mounting cavity is sealed by the supporting plate 29, an extending part is arranged at the edge of the supporting plate 29 corresponding to the seal cover 22, and the seal cover 22 is abutted to slide on the extending part.
Referring to fig. 2-4, two supporting plates 26 are fixedly installed on top of the supporting plate 29, the sliding rod 24 is connected to the supporting plates 26 in a penetrating and sliding manner, the connecting plate 23 and the fixing plate 25 are respectively located on two sides of the supporting plates 26, springs 27 are arranged between the connecting plate 23 and the supporting plates 26 in an array manner, and after the assembly of the connecting plate 23, the sliding rod 24 and the fixing plate 25 slides relative to the supporting plates 26 through the elasticity of the springs 27, the assembly is reset. The fixed plate 25 is provided with a shock absorbing assembly 28 in an array at a side far away from the slide bar 24, the shock absorbing assembly 28 is fixedly arranged on a supporting plate 29, and the shock absorbing assembly 28 resists the pressure generated by the assembly of the connecting plate 23, the slide bar 24 and the fixed plate 25 when moving, so as to inhibit the movement of the shock absorbing assembly 28. The sector plate 21, the seal cover 22 and the connecting plate 23 inside the upper layer shock absorbing member 2 are fixedly installed at the bottom of the installation base 1, and the sector plate 21, the seal cover 22 and the connecting plate 23 inside the lower layer shock absorbing member 2 are fixedly installed at the bottom of the supporting plate 29 inside the upper layer shock absorbing member 2.
Referring to fig. 5-6, the shock absorbing assembly 28 includes a piston rod 2801 disposed on a fixed plate 25 in an array, a piston plate one 2802 is fixedly mounted at the other end of the piston rod 2801, a through hole 2803 is disposed on the surface of the piston plate one 2802 in an array, a mounting hole 2808 is disposed at the center of an assembly body of the piston rod 2801 and the piston plate one 2802, a plug rod 2809 is inserted in the center of the mounting hole 2808, a spring two 2810 is fixedly mounted between the plug rod 2809 and the end surface of the mounting hole 2808, a piston plate two 2811 is fixedly mounted at the other end of the plug rod 2809, a limiting circular plate is disposed at one end of the plug rod 2809 away from the piston plate two 2811, the inner aperture of the mounting hole 2808 is equal to the diameter of the limiting circular plate, the aperture of the opening of the mounting hole 2808 is equal to the aperture of the plug rod 2809, and the spring two 2810 is fixedly mounted with the plug rod 2809 through the limiting circular plate. A piston cylinder 2813 is provided on the outer side of the first piston plate 2802, and hydraulic oil is filled in the piston cylinder 2813. The piston plate one 2802 is slidably coupled within the piston barrel 2813. The diameter of the first piston plate 2802 is equal to the inner diameter of the piston cylinder 2813, the first piston plate 2802 is arranged in the middle of the piston cylinder 2813, and the diameter of the second piston plate 2811 is smaller than the diameter of the first piston plate 2802. Thus, when the piston rod 2801 is pressed by the fixing plate 25, the first piston plate 2802 and the second piston plate 2811 slide in the piston cylinder 2813, hydraulic oil flows through the through hole 2803, and simultaneously the first piston plate 2802 and the second piston plate 2811 press the hydraulic oil, so that the movement of the fixing plate 25 is suppressed by the resistance of the hydraulic oil flowing in the through hole 2803 and the reaction force of the pressing on the first piston plate 2802 and the second piston plate 2811.
Referring to fig. 5-6, the shock absorbing member 2 further includes a supporting rod 2804 disposed in a through hole 2803 formed in an array of a first piston plate 2802, the supporting rod 2804 being disposed along an axis of the through hole 2803 and being fixedly mounted on an inner wall of the through hole 2803 near one side of the piston rod 2801, a supporting block 2805 being fixedly mounted at the other end of the supporting rod 2804, a rubber ring 2806 being disposed on a surface array of the first piston plate 2802 in one-to-one correspondence with the through hole 2803, the rubber ring 2806 being disposed at an opening of the through hole 2803, a triangular sealing strip 2807 being disposed on a surface array of the rubber ring 2806, the triangular sealing strip 2807 being formed in a tapered structure having a hollow shape after being gathered together, the through hole 2803 being sealed, and the through hole 2803 being communicated after the triangular sealing strip 2807 is separated. The piston plate II 2811 is provided with a pressing column 2812 corresponding to the through hole 2803 array on one side of the piston plate I2802, and the end part of the pressing column 2812 is provided with a conical groove which is matched with the triangular sealing strip 2807. The supporting block 2805 is in a shape of a circular truncated cone, the triangular sealing strip 2807 is attached to the surface of the supporting block 2805, and the supporting block 2805 and the pressing column 2812 are clamped on the inner side and the outer side of the triangular sealing strip 2807. Thereby gathering the triangular sealing strips 2807 together to seal the through hole 2803.
Working principle: when the mounting base 1 vibrates, the two vibration absorbing members 2 vibrate in any direction, namely, the two vibration absorbing members 2 are located on the horizontal and vertical coordinates, the force applied to the vibration of the mounting base 1 is decomposed to the X axis and the Y axis, and the component force is resisted by the two vibration absorbing members 2 respectively.
When the mounting base 1 vibrates, the assembly body of the sector plate 21 and the sealing cover 22 is driven to move towards one direction, and the connecting plate 23 synchronously moves; the connecting plate 23 extrudes the first spring 27, the slide bar 24 penetrates through the supporting partition 26 to slide, and the piston rod 2801 is extruded through the fixing plate 25;
the piston rod 2801 drives the piston plate I2802 to slide into the piston cylinder 2813, hydraulic oil is extruded, the piston plate I2802 and the piston plate II 2811 are close to each other through the resistance of the hydraulic oil to the piston plate II 2811, the pressing column 2812 is sleeved on the outer side of the triangular sealing strip 2807 through a conical groove, the triangular sealing strip 2807 is supported from the inner side through a supporting block 2805, the triangular sealing strips 2807 are gathered together, and the through hole 2803 is sealed; thereby pressing the hydraulic oil when the first piston plate 2802 moves, and the reaction force of the hydraulic oil to the first piston plate 2802 inhibits the movement of the fixed plate 25, thereby inhibiting the vibration of the mounting base 1;
in the damper assembly 28 on the opposite side to the vibration direction of the mounting base 1, the first piston plate 2802 slides outwardly along the piston tube 2813 when the piston rod 2801 is pulled, the second piston plate 2811 is away from the first piston plate 2802 due to the resistance of hydraulic oil, so that the triangular sealing strip 2807 is in an open state, hydraulic oil flows through the through holes 2803, and the movement of the fixing plate 25 and thus the vibration of the mounting base 1 are suppressed due to the resistance of hydraulic oil to the first piston plate 2802 and the second piston plate 2811 and the resistance of hydraulic oil flowing through the through holes 2803.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Wind-driven generator base damping device, including mounting base (1), its characterized in that: two shock-absorbing components (2) which are distributed up and down are arranged at the bottom of the mounting base (1), one shock-absorbing component (2) is arranged along the left-right direction, and the other shock-absorbing component (2) is arranged along the front-back direction;
the damping component (2) comprises two sector plates (21) which are oppositely arranged and two sealing covers (22) which are oppositely arranged, wherein the sector plates (21) and the sealing covers (22) are encircled to form a mounting cavity, two connecting plates (23) which are parallel to the sealing covers (22) are arranged in the mounting cavity, sliding rods (24) are fixedly arranged on opposite sides of the two connecting plates (23), a fixed plate (25) is fixedly arranged at the other end of the sliding rods (24), a supporting plate (29) is arranged below the mounting cavity, two supporting clapboards (26) are fixedly arranged at the top of the supporting plate (29), the sliding rods (24) penetrate through the supporting clapboards (26) in a sliding mode, the connecting plates (23) and the fixed plates (25) are respectively positioned on two sides of the supporting clapboards (26), a first spring (27) is arranged between the connecting plates (23) and the supporting clapboards (26), damping components (28) are fixedly arranged on one side, far away from the fixed plates (24), of the fixed plates (25), and the damping components (28) are fixedly arranged on the supporting plates (29).
The upper layer sector plate (21), the sealing cover (22) and the connecting plate (23) inside the shock absorbing component (2) are fixedly arranged at the bottom of the mounting base (1), and the lower layer sector plate (21), the sealing cover (22) and the connecting plate (23) inside the shock absorbing component (2) are fixedly arranged at the bottom of the supporting plate (29) inside the upper layer shock absorbing component (2).
2. The wind turbine foundation vibration-damping device of claim 1, wherein: the damping component (28) comprises piston rods (2801) arranged on a fixed plate (25) in an array mode, piston plates I (2802) are fixedly arranged at the other ends of the piston rods (2801), through holes (2803) are formed in the surface array of the piston plates I (2802), mounting holes (2808) are formed in the centers of assemblies of the piston rods (2801) and the piston plates I (2802), inserting rods (2809) are inserted in the centers of the mounting holes (2808), springs II (2810) are fixedly arranged between the end faces of the inserting rods (2809) and the end faces of the mounting holes (2808), piston plates II (2811) are fixedly arranged at the other ends of the inserting rods (2809), piston cylinders (2813) are arranged on the outer sides of the piston plates I (2802), and the piston plates I (2802) are slidably connected in the piston cylinders (2813).
3. The wind turbine foundation vibration reduction apparatus according to claim 2, wherein: the damping component (2) further comprises a supporting rod (2804) arranged in a through hole (2803) formed in an array of first piston plates (2802), the supporting rod (2804) is arranged along the axis of the through hole (2803) and fixedly installed on the inner wall of one side of the through hole (2803) close to the piston rod (2801), a supporting block (2805) is fixedly installed at the other end of the supporting rod (2804), a rubber ring (2806) is arranged on the surface array of the first piston plates (2802), the rubber ring (2806) corresponds to the through hole (2803) one by one, the rubber ring (2806) is arranged at the opening of the through hole (2803), a triangular sealing strip (2807) is arranged on the surface array of the rubber ring (2806), a pressing column (2812) is arranged on one side of the piston plate (2811) close to the corresponding through hole (2803) array, and a conical groove is formed in the end of the pressing column (2812) and is matched with the triangular sealing strip (2807).
4. A wind turbine foundation vibration-damping device according to claim 3, wherein: the diameter of the first piston plate (2802) is equal to the inner diameter of the piston cylinder (2813), the first piston plate (2802) is arranged in the middle of the piston cylinder (2813), and the diameter of the second piston plate (2811) is smaller than that of the first piston plate (2802).
5. A wind turbine foundation vibration-damping device according to claim 3, wherein: the supporting block (2805) is in a round table shape, the triangular sealing strip (2807) is attached to the surface of the supporting block (2805), and the supporting block (2805) and the pressing column (2812) are clamped on the inner side and the outer side of the triangular sealing strip (2807).
6. A wind turbine foundation vibration-damping device according to claim 3, wherein: the piston rod is characterized in that a limiting circular plate is arranged at one end, far away from the piston plate II (2811), of the inserted rod (2809), the inner aperture of the mounting hole (2808) is equal to the diameter of the limiting circular plate, the aperture of the opening of the mounting hole (2808) is equal to the aperture of the inserted rod (2809), and the spring II (2810) is fixedly installed with the inserted rod (2809) through the limiting circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039114.4U CN220302626U (en) | 2023-08-01 | 2023-08-01 | Wind-driven generator base damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039114.4U CN220302626U (en) | 2023-08-01 | 2023-08-01 | Wind-driven generator base damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302626U true CN220302626U (en) | 2024-01-05 |
Family
ID=89374234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322039114.4U Active CN220302626U (en) | 2023-08-01 | 2023-08-01 | Wind-driven generator base damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302626U (en) |
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2023
- 2023-08-01 CN CN202322039114.4U patent/CN220302626U/en active Active
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