CN216212696U - Distribution transformer and floating wind turbine - Google Patents
Distribution transformer and floating wind turbine Download PDFInfo
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- CN216212696U CN216212696U CN202122343911.2U CN202122343911U CN216212696U CN 216212696 U CN216212696 U CN 216212696U CN 202122343911 U CN202122343911 U CN 202122343911U CN 216212696 U CN216212696 U CN 216212696U
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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 provides a distribution transformer and a floating wind turbine, wherein the distribution transformer is arranged in a tower frame of the floating wind turbine, and comprises: the transformer comprises a transformer main body, at least one first damping part and at least one second damping part; the first end of the first damping part is connected to the first end of the transformer main body, and the second end of the first damping part is connected to the tower; the first end of the second damping part is connected to the second end of the transformer main body, the second end of the second damping part is connected to the tower, and the first end and the second end of the transformer main body are opposite to each other in the gravity direction; when the transformer main body moves in the tower relative to the tower, the first damping portion and the second damping portion deform to reduce the acting force of the tower on the transformer main body through the first damping portion and the second damping portion. The distribution transformer is not easy to be damaged by vibration in the tower of the floating wind turbine.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a distribution transformer and a floating wind turbine.
Background
Nowadays, wind power generation is used as a power generation mode for saving fossil energy, and has more and more important influence on the life of people. A wind turbine is an important device that performs a wind power generation function, and is a rotary machine that can convert kinetic energy of wind into another form of energy. With the continuous development of wind turbines, a floating wind turbine is a special type, when the wind turbine is used, a tower frame and a wind wheel float on the water surface, a distribution transformer for power distribution is often arranged in the tower frame, and the floating wind turbine floats on the water surface, so that the distribution transformer for power distribution arranged in the tower frame can shake and vibrate relative to the tower frame in the tower frame more easily, and the distribution transformer is more in general parts and finer in structure, and if large shaking and vibration occur for a long time, the distribution transformer is difficult to avoid stress damage due to the vibration.
SUMMERY OF THE UTILITY MODEL
The utility model provides a distribution transformer and a floating wind turbine, which can at least partially solve the problems.
According to a first aspect of the present embodiment, there is provided a distribution transformer disposed in a tower of a floating wind turbine and configured to distribute a voltage input to the floating wind turbine and a voltage generated by the floating wind turbine, the distribution transformer including: the transformer comprises a transformer main body, at least one first damping part and at least one second damping part; the first end of the first damping part is connected to the first end of the transformer main body, and the second end of the first damping part is connected to the tower; a first end of the second damping part is connected to a second end of the transformer main body, a second end of the second damping part is connected to the tower, and the first end and the second end of the transformer main body are opposite to each other in the gravity direction; when the transformer body moves in the tower relative to the tower, the first damping portion and the second damping portion deform to reduce the acting force of the tower on the transformer body through the first damping portion and the second damping portion.
In an optional embodiment, the tower comprises a shielding plate fixedly arranged in the tower, and an accommodating space for accommodating the distribution transformer is formed between the shielding plate and the bottom wall of the tower; wherein a second end of the first damping part is connected to the shielding plate, and a second end of the second damping part is connected to a bottom wall of the tower.
In an alternative embodiment, the shield plate is parallel to the bottom wall of the tower.
In an alternative embodiment, the first shock absorbing portion includes: the transformer comprises a fixed connecting piece, a first connecting rod and a first elastic assembly, wherein the first end of the fixed connecting piece is connected with a transformer main body, the second end of the fixed connecting piece is connected with the first end of the first connecting rod, and the second end of the first connecting rod is fixedly connected to the shielding plate through the first elastic assembly; when the transformer body moves towards the shielding plate in the tower, the first elastic assembly deforms to generate elastic force for buffering the transformer body.
In an alternative embodiment, the second end of the first connecting rod includes a first threaded section, and the first resilient component includes: the mounting plate, the first rubber block, the first reinforcing plate, the second rubber block, the second reinforcing plate, the fixing nut and the mounting plate are all provided with mounting holes for the second end of the first connecting rod to pass through; the mounting panel is fixed set up in on the shield plate, stop nut with the fixed cooperation of the first end of first screw thread section, the second end of head rod passes in proper order mounting hole on the first reinforcing plate mounting hole on the first block rubber mounting hole on the mounting panel mounting hole on the second block rubber and mounting hole on the second reinforcing plate, stop nut with the second end fixed cooperation of first screw thread section, and make the second reinforcing plate pastes tightly stop nut, first reinforcing plate pastes tightly stop nut.
In an alternative embodiment, the number of the first shock absorbing portions is at least four.
In an alternative embodiment, the second shock absorbing portion includes: the mounting flange, the second elastic assembly and the second connecting rod, wherein the second elastic assembly comprises a shell and an elastic piece, and the elastic piece is arranged in the shell; the first end of the second connecting rod is fixedly connected with the second end of the transformer main body, the mounting flange is fixedly connected with the bottom wall of the tower frame, the shell is fixedly connected with the mounting flange, and the second end of the second connecting rod extends into the shell and is connected with the elastic piece; when the transformer main body moves towards the bottom wall of the tower in the tower, the part, which does not extend into the shell, of the second connecting rod is driven to at least partially extend into the shell, the elastic piece is compressed, and the elastic piece deforms to generate elastic force for buffering the transformer main body.
In an alternative embodiment, the resilient member is a rubber block.
In an alternative embodiment, the number of the second shock absorbing portions is at least four.
According to a second aspect of the present embodiment, there is provided a floating wind turbine, including: a tower, and a distribution transformer as provided in the preceding first aspect.
In the distribution transformer in the embodiment, the distribution transformer comprises a transformer main body, at least one first damping part and at least one second damping part, the first damping part and the second damping part are arranged in the tower of the floating wind turbine, and when the transformer main body moves in the tower relative to the tower, the first damping part and the second damping part deform to reduce the acting force of the tower on the transformer main body through the first damping part and the second damping part, so that the transformer main body can be buffered, the distribution transformer is less prone to being damaged due to vibration in the tower of the floating wind turbine, and the normal use of the floating wind turbine can be further ensured.
Drawings
The drawings are only for purposes of illustrating and explaining the present application and are not to be construed as limiting the scope of the present application.
FIG. 1 illustrates an alternative schematic view of a floating wind turbine according to embodiments of the present application.
Fig. 2 shows an alternative schematic view of the connection of the first end of the first damping portion and the first end of the second damping portion to the transformer body according to an embodiment of the present application.
Fig. 3 shows an enlarged schematic view of the first damper portion at a in fig. 2.
Fig. 4 shows an alternative schematic view of the connection of the first end of the first damper portion to the shield plate in the embodiment of the present application.
Fig. 5 shows an enlarged schematic view of the second damper portion at B in fig. 2.
Reference numerals: 100. a floating wind turbine; 10. a transformer body; 20. a tower; 21. a shielding plate; 22. a bottom wall; 30. a first damper section; 31. fixing the connecting piece; 32. a first connecting rod; 33. a first elastic member; 40. a second damper portion; 41. installing a flange; 42. a housing; 43. a second connecting rod; 50. mounting a plate; 51. a first rubber block; 52. a second rubber block; 53. a first reinforcing plate; 54. a second reinforcing plate; 55. a limit nut; 56. and (5) fixing the nut.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
Nowadays, wind power generation is used as a power generation mode for saving fossil energy, and has more and more important influence on the life of people. A wind turbine is an important device that performs a wind power generation function, and is a rotary machine that can convert kinetic energy of wind into another form of energy. With the continuous development of wind turbines, a floating wind turbine is a special type, when the wind turbine is used, a tower frame and a wind wheel float on the water surface, a distribution transformer for power distribution is often arranged in the tower frame, and the floating wind turbine floats on the water surface, so that the distribution transformer for power distribution arranged in the tower frame can shake and vibrate relative to the tower frame in the tower frame more easily, and the distribution transformer is more in general parts and finer in structure, and if large shaking and vibration occur for a long time, the distribution transformer is difficult to avoid stress damage due to the vibration.
Referring to fig. 1 to 5, according to a first aspect of an embodiment of the present application, in the embodiment of the present application, there is provided a distribution transformer provided in a tower 20 of a floating wind turbine 100 and used for distributing a voltage input to the floating wind turbine 100 and a voltage generated by the floating wind turbine 100, the distribution transformer including: a transformer body 10, at least one first damping part 30, and at least one second damping part 40; a first end of the first damping unit 30 is connected to a first end of the transformer body 10, and a second end of the first damping unit 30 is connected to the tower 20; a first end of the second damping part 40 is connected to a second end of the transformer body 10, a second end of the second damping part 40 is connected to the tower 20, and the first end and the second end of the transformer body 10 are opposite to each other in the gravity direction; when the transformer body 10 moves in the tower frame 20 relative to the tower frame 20, the first and second dampers 30 and 40 are deformed to reduce the force applied to the transformer body 10 by the tower frame 20 through the first and second dampers 30 and 40.
In the distribution transformer of the embodiment, since the distribution transformer includes the transformer main body 10, at least one first damping portion 30 and at least one second damping portion 40, which are disposed in the tower 20 of the floating wind turbine 100, and when the transformer main body 10 moves in the tower 20 relative to the tower 20, the first damping portion 30 and the second damping portion 40 deform to reduce an acting force of the tower 20 acting on the transformer main body 10 through the first damping portion 30 and the second damping portion 40, so as to buffer the transformer main body 10, the distribution transformer is less prone to be damaged by a shock in the tower 20 of the floating wind turbine 100, and thus normal use of the floating wind turbine can be ensured.
Alternatively, the floating wind turbine 100 of the present embodiment, which floats on water (e.g., sea, river, lake, etc.) by being provided on a floating structure, and the floating structure is connected to a fixed object (e.g., rock on the bottom of water, etc.) by a connecting structure such as a chain, etc., may convert mechanical energy of wind on water into electric energy to be utilized, for example, the floating wind turbine 100 of the present embodiment may be understood with reference to fig. 1. It is easy to understand that, because the floating wind turbine floats on the water surface when in operation, the most common vibration occurring in the distribution transformer inside the floating wind turbine is the vibration in the up-and-down direction caused by the floating movement, but obviously, there are some vibrations in the left-and-right direction and oblique direction.
In this embodiment, the tower 20 of the floating wind turbine 100, i.e., the supporting main body portion of the floating wind turbine 100, is fixed to the wind wheel, i.e., the portion of the floating wind turbine 100 that receives the kinetic energy of the wind and rotates, the tower 20 is generally a hollow structure, and electrical devices, such as a distribution transformer, a generator, and various power units, necessary for the floating wind turbine 100 are placed inside the tower 20. The shape of the tower 20 is not limited in this embodiment, and may be, for example, a cylinder shape, or may also be a circular truncated cone shape, the diameter of the bottom of which is large, and the diameter of the position where the top is connected to the wind wheel is smaller than the diameter of the bottom, or may be other shapes, and this embodiment is not limited.
In the present embodiment, since the tower 20 of the floating wind turbine 100 is generally high in height, in order to better mount a distribution transformer and other electrical equipment in the tower 20 in the present embodiment, in one embodiment, the tower 20 includes a shielding plate 21, the shielding plate 21 is fixedly disposed in the tower 20, and a receiving space for receiving the distribution transformer is formed between the shielding plate 21 and a bottom wall 22 of the tower 20; wherein a second end of the first damper portion 30 is connected to the shielding plate 21, and a second end of the second damper portion 40 is connected to the bottom wall 22 of the tower 20.
In the distribution transformer of the present embodiment, the first damper portion 30 and the second damper portion 40 are connected to the transformer body 10, specifically, the first damper portion 30 and the second damper portion 40 are connected to some structures on the outer shell of the transformer body 10, which can fix the first end of the first damper portion 30 and the second end of the second damper portion 40.
The distribution transformer in the tower 20 of the floating wind turbine 100 of the present embodiment may be any type of transformer capable of realizing a distribution function, for example, it may be a dry-type transformer or an oil-immersed type transformer, which may be set according to actual requirements, and is not limited in this embodiment.
Preferably, the shielding plate 21 is parallel to the bottom wall 22 of the tower 20, and the shielding plate 21 parallel to the bottom wall 22 of the tower 20 enables the second end of the first damping portion 30 to be more stably mounted on the shielding plate 21, thereby facilitating better fixing of the distribution transformer and facilitating mounting of other electrical equipment of the floating wind turbine 100 on the side of the shielding plate 21 opposite to the tower 20.
In one embodiment, in the distribution transformer, the first damping part 30 includes: a fixed connecting piece 31, a first connecting rod 32 and a first elastic assembly 33, wherein a first end of the fixed connecting piece 31 is connected with the transformer main body 10, a second end of the fixed connecting piece 31 is connected with a first end of the first connecting rod 32, and a second end of the first connecting rod 32 is fixedly connected to the shielding plate 21 through the first elastic assembly 33; when the transformer body 10 moves toward the shielding plate 21 within the tower 20, the first elastic member 33 is deformed to generate an elastic force for buffering the transformer body 10.
The fixed connection 31 in this embodiment may be of any suitable construction and, with reference to fig. 2, in one embodiment, the fixing connector 31 may include two bent metal sheets, a fastening screw and a fastening nut, first ends of the two bent metal sheets may be fixed to the first end of the transformer body 10 by welding, screwing, etc., a first end of the first connection rod 32 may have a flat portion, second ends of the two bent metal sheets and the flat portion of the first end of the first connection rod 32 may have mounting holes adapted to the fastening screw, and the second ends of the two bent metal sheets are respectively arranged at the two sides of the flat part of the first end of the first connecting rod 32, the three mounting holes are aligned, the fastening screw penetrates through the three mounting holes, and finally the fastening nut is screwed on the fastening screw, so that the first end of the first connection rod 32 is connected to the first end of the transformer body 10 through the connection member.
Specifically, referring to fig. 3 and 4, in one embodiment, in the first shock absorbing part 30, the second end of the first connecting rod 32 includes a first threaded section, and the first elastic component 33 includes: the connecting device comprises a limiting nut 55, a first rubber block 51, a first reinforcing plate 53, a second rubber block 52, a second reinforcing plate 54, a fixing nut 56 and a mounting plate 50, wherein mounting holes for the second ends of the first connecting rods 32 to pass through are formed in the mounting plate 50, the first rubber block 51, the first reinforcing plate 53, the second rubber block 52 and the second reinforcing plate 54; mounting panel 50 is fixed set up in on the shield panel 21, stop nut 55 with the fixed cooperation of the first end of first screw thread section, the second end of head rod 32 passes in proper order the mounting hole on first reinforcing plate 53 the mounting hole on the first block rubber 51 the mounting hole on mounting panel 50 the mounting hole on the second block rubber 52 and the mounting hole on the second reinforcing plate 54, stop nut 56 with the fixed cooperation of the second end of first screw thread section, and make second reinforcing plate 54 pastes tightly stop nut 56, first reinforcing plate 53 pastes tightly stop nut 55.
Therefore, the first vibration attenuating portions 30 can effectively buffer the transformer main body 10, and thus, the acting force of the transformer main body 10 on the tower 20 through the first vibration attenuating portions 30 and the second vibration attenuating portions 40 when the transformer main body 10 moves to the shielding plate 21 when the tower 20 vibrates can be reduced, so that the distribution transformer is less likely to be damaged by the vibration in the tower 20 of the floating wind turbine 100, and the normal use of the floating wind turbine 100 can be ensured.
Alternatively, the mounting plate 50 in the embodiment may be bent, for example, bent into an L shape, referring to fig. 4, a metal plate for mounting the mounting plate 50 may be disposed on the shielding plate 21 of the tower 20 of the floating wind turbine 100, a portion of the bent mounting plate 50 is welded to the metal plate, and another portion of the bent mounting plate 50 is disposed with a mounting hole and located between the first rubber block 51 and the second rubber block 52, so that the mounting plate 50 can be connected to the shielding plate 21, and the first end of the first damper 30 is stably fixed to the shielding plate 21.
The first reinforcing plate 53 and the second reinforcing plate 54 make the stress of the first rubber block 51 and the second rubber block 52 more uniform. Alternatively, the first rubber block 51 and the first reinforcing plate 53 are both cylindrical and have the same bottom area as a whole, and the second rubber block 52 and the second reinforcing plate 54 are both cylindrical and have the same bottom area as a whole, although the shapes and sizes of the first rubber block 51, the first reinforcing plate 53, the second rubber block 52, and the second reinforcing plate 54 may also be other suitable forms, which is not limited in this embodiment.
Further, in order to ensure the stability of the fixed nut 56 in fixed fit with the second end of the first thread section, and to ensure that the fixed nut 56 is not easy to loosen and slide off from the second end of the first thread section, a fixed nut 56 can be further connected on the basis of the existing fixed nut 56 at the second end of the first thread section, so that a double-nut fastening structure is formed, and the structure is more stable.
Optionally, a gasket may be disposed between the first reinforcing plate 53 and the limiting nut 55, and/or between the second reinforcing plate 54 and the fixing nut 56 to further prevent the limiting nut 55 and/or the fixing nut 56 from loosening.
The number of the first damping portions 30 in the present embodiment may be one or more, for example, in the present embodiment, it is preferable that the distribution transformer in the present embodiment includes at least four first damping portions 30, that is, the number of the first damping portions 30 is at least four. Taking the four first damping parts 30 as an example, the first ends of the four first damping parts 30 are respectively connected to different positions on the first end of the transformer main body 10, and the second ends of the four first damping parts 30 are respectively connected to different positions on the shielding plate 21, so that the connection stability is ensured, and the effect of damping the transformer main body 10 can be better ensured. In one embodiment, four first vibration attenuating portions 30 are obliquely disposed between the first end of the transformer body 10 and the shielding plate 21, and directions in which connecting lines between the first end and the second end of the four first vibration attenuating portions 30 extend are different from each other.
In one embodiment, referring to fig. 5, in the distribution transformer, the second damping part 40 includes: a mounting flange 41, a second elastic assembly, a second connecting rod 43, wherein the second elastic assembly comprises a shell 42 and an elastic member, and the elastic member is arranged in the shell 42; a first end of the second connecting rod 43 is fixedly connected with a second end of the transformer body 10, the mounting flange 41 is fixedly connected with the bottom wall 22 of the tower 20, the housing 42 is fixedly connected with the mounting flange 41, and a second end of the second connecting rod 43 extends into the housing 42 and is connected with the elastic member; when the transformer body 10 moves towards the bottom wall 22 of the tower 20 in the tower 20, the portion of the second connecting rod 43 that does not extend into the housing 42 is driven to at least partially extend into the housing 42, and the elastic member is compressed, and the elastic member deforms to generate elastic force for buffering the transformer body 10.
Therefore, the second vibration attenuating portions 40 can effectively buffer the transformer main body 10, and thus, the acting force of the transformer main body 10 on the tower 20 through the first vibration attenuating portions 30 and the second vibration attenuating portions 40 when the transformer main body 10 moves toward the bottom wall 22 of the tower 20 when vibration occurs in the tower 20 can be reduced, so that the distribution transformer is less likely to be damaged by stress due to vibration in the tower 20 of the floating wind turbine 100, and normal use of the floating wind turbine 100 can be ensured.
Optionally, a first end of the second connecting rod 43 has a second threaded section, and the second end of the transformer body 10 may be provided with a mounting hole adapted to the first end of the second connecting rod 43, the first end of the second connecting rod 43 may be inserted through the mounting hole of the first end of the second connecting rod 43, and a nut adapted to the second threaded section on the first end of the second connecting rod 43 is then engaged therewith, so that the first end of the second connecting rod 43 is stably connected to the second end of the transformer body 10.
Alternatively, the mounting flange 41 and the bottom wall 22 of the tower 20 may be bolted, or may be connected by other fixing means, which is not limited in this embodiment.
The specific structure of the elastic member is not limited in this embodiment, and preferably, the elastic member may be a rubber block, which has better elasticity, better damping performance and better shock absorption performance, and can better meet the requirement.
The number of the second vibration absorbing parts 40 in the present embodiment may be one or more, for example, in the present embodiment, it is preferable that the distribution transformer in the present embodiment includes at least four second vibration absorbing parts 40, that is, the number of the second vibration absorbing parts 40 is at least four. In one example, in order to meet the requirement of the actual working condition, the number of the second damping portions 40 is eight, the first ends of the eight second damping portions 40 are respectively connected to different positions on the second end of the transformer body 10, and the second ends of the four second damping portions 40 are respectively connected to different positions on the bottom wall 22 of the tower 20, so that the connection stability is ensured, and the damping effect on the transformer body 10 can be better ensured.
As can be seen from the above description, in the distribution transformer of the present embodiment, since the distribution transformer includes the transformer main body 10, at least one first vibration absorption portion 30 and at least one second vibration absorption portion 40, which are disposed in the tower 20 of the floating wind turbine 100, and when the transformer main body 10 moves in the tower 20 relative to the tower 20, the first vibration absorption portion 30 and the second vibration absorption portion 40 deform to reduce the acting force of the tower 20 on the transformer main body 10 through the first vibration absorption portion 30 and the second vibration absorption portion 40, so as to buffer the transformer main body 10, the distribution transformer is less prone to be damaged by the force applied by the vibration in the tower 20 of the floating wind turbine 100, and thus the normal use of the floating wind turbine can be ensured.
According to a second aspect in an implementation of the present application, there is also provided a floating wind turbine 100, comprising: a tower 20, and a distribution transformer as provided in the first aspect above. Obviously, the floating wind turbine 100 of the present embodiment has better damping performance, and the distribution transformer in the tower 20 is less prone to be damaged by vibration, so that the floating wind turbine 100 has better stability.
It should be understood that expressions like "first", "second", "first" or "second" used in the embodiments of the present application may modify various components regardless of order and/or importance, but these expressions do not limit the corresponding components. The above description is only provided for the purpose of distinguishing components from other components.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A distribution transformer provided in a tower (20) of a floating wind turbine (100) and used for distributing a voltage input to the floating wind turbine (100) and a voltage generated by the floating wind turbine (100), the distribution transformer comprising: a transformer body (10), at least one first damping portion (30) and at least one second damping portion (40);
a first end of the first damping part (30) is connected to a first end of a transformer body (10), and a second end of the first damping part (30) is connected to the tower (20);
a first end of the second damping part (40) is connected to a second end of the transformer body (10), a second end of the second damping part (40) is connected to the tower (20), and the first end and the second end of the transformer body (10) are opposite to each other in the gravity direction;
when the transformer body (10) moves in the tower (20) relative to the tower (20), the first shock absorbing part (30) and the second shock absorbing part (40) deform to reduce the acting force of the tower (20) on the transformer body (10) through the first shock absorbing part (30) and the second shock absorbing part (40).
2. The distribution transformer according to claim 1, wherein the tower (20) comprises a shielding plate (21), the shielding plate (21) is fixedly arranged in the tower (20), and a receiving space for receiving the distribution transformer is formed between the shielding plate (21) and a bottom wall (22) of the tower (20);
wherein a second end of the first damper portion (30) is connected to the shield plate (21), and a second end of the second damper portion (40) is connected to the bottom wall (22) of the tower (20).
3. Distribution transformer according to claim 2, characterized in that the shielding plate (21) is parallel to the bottom wall (22) of the tower (20).
4. The distribution transformer according to claim 3, characterized in that the first damping portion (30) comprises: a fixed connecting piece (31), a first connecting rod (32) and a first elastic component (33),
a first end of the fixed connecting piece (31) is connected with the transformer main body (10), a second end of the fixed connecting piece (31) is connected with a first end of the first connecting rod (32), and a second end of the first connecting rod (32) is fixedly connected to the shielding plate (21) through the first elastic assembly (33);
when the transformer body (10) moves towards the shielding plate (21) in the tower (20), the first elastic assembly (33) deforms to generate elastic force for buffering the transformer body (10).
5. The distribution transformer according to claim 4, wherein the second end of the first connecting rod (32) comprises a first threaded section,
the first elastic assembly (33) comprises: the connecting device comprises a limiting nut (55), a first rubber block (51), a first reinforcing plate (53), a second rubber block (52), a second reinforcing plate (54), a fixing nut (56) and a mounting plate (50), wherein mounting holes for the second ends of the first connecting rods (32) to pass through are formed in the mounting plate (50), the first rubber block (51), the first reinforcing plate (53), the second rubber block (52) and the second reinforcing plate (54);
mounting panel (50) are fixed set up in on shield plate (21), stop nut (55) with the fixed cooperation of the first end of first screw thread section, the second end of head rod (32) passes in proper order the mounting hole on first reinforcing plate (53) the mounting hole on first block rubber (51) the mounting hole on mounting panel (50) the mounting hole on second block rubber (52) and the mounting hole on second reinforcing plate (54), stop nut (56) with the fixed cooperation of the second end of first screw thread section, and make second reinforcing plate (54) paste tightly stop nut (56), first reinforcing plate (53) paste tightly stop nut (55).
6. The distribution transformer according to claim 5, characterized in that the number of the first damping portions (30) is at least four.
7. The distribution transformer according to claim 3, characterized in that the second damping portion (40) comprises: the mounting flange (41), a second elastic assembly and a second connecting rod (43), wherein the second elastic assembly comprises a shell (42) and an elastic piece, and the elastic piece is arranged in the shell (42);
the first end of the second connecting rod (43) is fixedly connected with the second end of the transformer main body (10), the mounting flange (41) is fixedly connected with the bottom wall (22) of the tower (20), the shell (42) is fixedly connected with the mounting flange (41), and the second end of the second connecting rod (43) extends into the shell (42) and is connected with the elastic piece;
when the transformer main body (10) moves towards the bottom wall (22) of the tower (20) in the tower (20), the part of the second connecting rod (43) which does not extend into the shell (42) is driven to at least partially extend into the shell (42), and the elastic piece is compressed and deformed to generate elastic force for buffering the transformer main body (10).
8. The distribution transformer of claim 7, wherein the resilient member is a rubber block.
9. Distribution transformer according to claim 8, characterized in that the number of second damping portions (40) is at least four.
10. A floating wind turbine (100), comprising: a tower (20) and a distribution transformer according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343911.2U CN216212696U (en) | 2021-09-27 | 2021-09-27 | Distribution transformer and floating wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343911.2U CN216212696U (en) | 2021-09-27 | 2021-09-27 | Distribution transformer and floating wind turbine |
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| CN216212696U true CN216212696U (en) | 2022-04-05 |
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| CN202122343911.2U Active CN216212696U (en) | 2021-09-27 | 2021-09-27 | Distribution transformer and floating wind turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030981A (en) * | 2022-05-18 | 2022-09-09 | 广东明阳电气股份有限公司 | Shock absorption pull rod and transformer with same |
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2021
- 2021-09-27 CN CN202122343911.2U patent/CN216212696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030981A (en) * | 2022-05-18 | 2022-09-09 | 广东明阳电气股份有限公司 | Shock absorption pull rod and transformer with same |
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Address after: 510000 No. 26, Jungong Road, East District, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee after: Guangzhou Siemens Energy Transformer Co.,Ltd. Address before: 510000 No. 26, Jungong Road, East District, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: SIEMENS TRANSFORMER (GUANGZHOU) Co.,Ltd. |