CN220850488U - Braking device of wind driven generator - Google Patents
Braking device of wind driven generator Download PDFInfo
- Publication number
- CN220850488U CN220850488U CN202322346738.0U CN202322346738U CN220850488U CN 220850488 U CN220850488 U CN 220850488U CN 202322346738 U CN202322346738 U CN 202322346738U CN 220850488 U CN220850488 U CN 220850488U
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- friction cylinder
- electric telescopic
- telescopic rod
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- 238000010248 power generation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 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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Abstract
The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator braking device, which is rotationally connected with a wheel house, wherein the outer wall of the generator main shaft is sleeved with an inner friction cylinder, the inner wall of the wheel house on one side of the inner friction cylinder is connected with a mounting plate, a through hole is formed in the mounting plate, the end face of the mounting plate is fixedly connected with the outer friction cylinder, a plurality of mounting holes are formed in the outer wall of the outer friction cylinder, an outer wall of an electric telescopic rod is arranged in the mounting holes, one end of the electric telescopic rod is fixedly connected with a fixing plate, an inner friction plate is adhered to the outer wall of the inner friction cylinder, the end face of the fixing plate is adhered with an outer friction plate, the fixing plate can be moved towards the direction of the inner friction cylinder by the driving of the electric telescopic rod, the outer friction plate is contacted with the inner friction plate, and further friction force between the inner friction plate and the outer friction plate is utilized to block the generator main shaft, so that the rotating speed of the generator main shaft is reduced, and damage to the generator is prevented.
Description
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator braking device.
Background
Wind power generation is used as an environment-friendly new energy source, and the application of the wind power generation is more and more widespread. The basic principle of wind power generation is that the main shaft of a wind power generator provided with a fan is driven to rotate by wind power to generate electricity. In the running process of the wind driven generator, the rotating speed of the main shaft of the generator is influenced by the wind force, and when the wind force is too large and custom is too high, the rotating speed of the main shaft of the wind driven generator is too high, and meanwhile, excessive electric quantity is generated. And then the temperature of a coil in the wind driven generator is quickly increased to burn the generator, and the power transmission equipment is damaged due to excessive current. Therefore, in the actual use process of the wind driven generator, under the conditions that the wind force is too large and the rotation speed of the main shaft of the generator is too high, the main shaft of the wind driven generator needs to be braked to reduce the rotation speed of the main shaft of the wind driven generator.
Therefore, it is necessary to provide a brake device for a wind driven generator to solve the above technical problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a wind driven generator braking device.
The utility model provides a wind driven generator braking device, which comprises: the electric power generation device comprises a generator main shaft rotationally connected with a wheel bin, wherein an inner friction cylinder is connected with an outer wall sleeve of the generator main shaft, an inner wall of the wheel bin on one side of the inner friction cylinder is connected with a mounting plate, a through hole for the generator main shaft to pass through is formed in the mounting plate, an outer friction cylinder is fixedly connected with the end face of the mounting plate, the inner friction cylinder is located on the inner side of the outer friction cylinder, a plurality of mounting holes are formed in the outer wall of the outer friction cylinder, an electric telescopic rod is mounted in the mounting holes, one end of the electric telescopic rod is fixedly connected with a fixing plate, an inner friction plate is adhered to the outer wall of the inner friction cylinder, and an outer friction plate is adhered to the end face of the fixing plate.
Preferably, the other end of the electric telescopic rod is fixedly connected with the inner wall of the supporting ring, and the inner wall of the supporting ring is connected with the outer wall of the outer friction cylinder through a plurality of connecting rods.
Preferably, the outer wall sleeve of the generator main shaft is connected with the protection plate, the end face of the protection plate is provided with a rotating groove, and the inner wall of the rotating groove is rotationally connected with the outer wall of one end of the outer friction cylinder.
Preferably, the shape of the fixing plate is arc-shaped, and the inner diameter dimension of the fixing plate facing one end of the inner friction cylinder is consistent with the outer diameter dimension of the inner friction cylinder.
Preferably, a second mounting hole is formed in one side of the mounting hole, the second mounting hole is internally provided with the outer wall of the second electric telescopic rod, one end of the second electric telescopic rod is fixedly connected with a second fixing plate, and a second external friction plate is adhered to the end face of the second fixing plate.
Preferably, the shape structure of the second fixing plate is consistent with that of the fixing plate, the other end of the second electric telescopic rod is fixedly connected with the inner wall of the second supporting ring, and the inner wall of the second supporting ring is connected with the outer wall of the outer friction cylinder through a plurality of second connecting rods.
Compared with the related art, the brake device of the wind driven generator provided by the utility model has the following structure
The beneficial effects are that:
1. According to the utility model, the fixed plate is driven by the electric telescopic rod to move towards the direction of the inner friction cylinder, the outer friction plate is contacted with the inner friction plate, so that the friction force between the inner friction plate and the outer friction plate is utilized to block the main shaft of the generator, the rotating speed of the main shaft of the generator is reduced, the damage to the generator is prevented, after the outer friction plate is contacted with the inner friction plate, the movement of the electric telescopic rod can be controlled, the pressure of the electric telescopic rod on the fixed plate is regulated, the number of movable fixed plates is regulated, the regulation of the friction force between the inner friction plate and the outer friction plate is realized, the main shaft can be rapidly braked on the premise that the main shaft is not damaged according to different requirements, and the braking efficiency is improved;
2. According to the utility model, the supporting ring is arranged, so that the electric telescopic rod can be supported by the supporting ring, the other end of the electric telescopic rod is prevented from being influenced by external force, the movement stability of the electric telescopic rod is influenced, and the electric telescopic rod is ensured to be stable when the electric telescopic rod applies pressure to the fixed plate through the supporting ring;
3. According to the utility model, the protection plate is arranged, so that the outer friction cylinder can be closed, and foreign matters are prevented from entering the inner part of the outer friction cylinder when the friction plate is used, and the contact between the inner friction plate and the outer friction plate is prevented from being influenced.
Drawings
FIG. 1 is a schematic diagram of a brake device of a wind turbine according to a preferred embodiment of the present utility model;
fig. 2 is a schematic structural view of the shielding plate shown in fig. 1;
FIG. 3 is a schematic view of the structure of the fixing plate and the supporting ring shown in FIG. 1;
FIG. 4 is a schematic structural view of the second fixing plate and the second supporting ring shown in FIG. 1;
FIG. 5 is a schematic view of the outer friction cylinder of FIG. 1;
FIG. 6 is a schematic view of the interior of the wheel well of FIG. 1;
FIG. 7 is a schematic view of the connection of the outer friction cylinder and the inner friction cylinder shown in FIG. 1;
reference numerals in the drawings: 1. a wheel house; 2. a generator main shaft; 3. a protection plate; 4. a rotating groove; 5. an outer friction cylinder; 6. an electric telescopic rod; 7. a fixing plate; 8. an outer friction plate; 9. a support ring; 10. a connecting rod; 11. a second electric telescopic rod; 12. a second fixing plate; 13. a second outer friction plate; 14. a second support ring; 15. a second connecting rod; 16. a mounting hole; 17. a second mounting hole; 18. a mounting plate; 19. a through hole; 20. an inner friction cylinder; 21. an inner friction plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 7, the present utility model provides a wind power generator braking device, including: the electric generator main shaft 2 rotationally connected with the wheel house 1, an inner friction cylinder 20 is connected with an outer wall sleeve of the electric generator main shaft 2, an inner wall of the wheel house 1 on one side of the inner friction cylinder 20 is connected with a mounting plate 18, a through hole 19 for the electric generator main shaft 2 to pass through is formed in the mounting plate 18, an end face of the mounting plate 18 is fixedly connected with an outer friction cylinder 5, the inner friction cylinder 20 is located on the inner side of the outer friction cylinder 5, a plurality of mounting holes 16 are formed in the outer wall of the outer friction cylinder 5, an outer wall of an electric telescopic rod 6 is mounted in the mounting holes 16, one end of the electric telescopic rod 6 is fixedly connected with a fixing plate 7, an inner friction plate 21 is bonded on the outer wall of the inner friction cylinder 20, and an outer friction plate 8 is bonded on the end face of the fixing plate 7.
It should be noted that: through the drive of electric telescopic handle 6, can drive fixed plate 7 and carry out back-and-forth movement along the axial direction of mounting hole 16, when the sensor in the aerogenerator monitors generator main shaft 2 rotational speed fast, the accessible electric telescopic handle 6's drive, move the direction of fixed plate 7 to interior friction tube 20, with outer friction disc 8 and interior friction disc 21 contact, and then utilize the frictional force between interior friction disc 21 and the outer friction disc 8 to cause the hindrance to generator main shaft 2, make the rotational speed of generator main shaft 2 reduce, prevent that the main shaft rotational speed is too fast, cause the damage to the generator, after outer friction disc 8 contacts with interior friction disc 21, the movable of controllable electric telescopic handle 6 is to the pressure of fixed plate 7 and the quantity of adjustable movable fixed plate 7, realize the adjustment of the frictional force size between interior friction disc 21 and the outer friction disc 8, can be according to different demands, under the prerequisite that does not cause the damage to the main shaft, carry out quick brake to the main shaft, the efficiency of brake is improved.
In the embodiment of the present utility model, referring to fig. 2, the other end of the electric telescopic rod 6 is fixedly connected to the inner wall of the supporting ring 9, and the inner wall of the supporting ring 9 is connected to the outer wall of the outer friction cylinder 5 through a plurality of connecting rods 10.
It should be noted that: through setting up supporting ring 9, accessible supporting ring 9 plays the effect of supporting electric telescopic handle 6, prevents that its other end from receiving the influence of external force, influences electric telescopic handle 6 and removes stability to through supporting ring 9, when electric telescopic handle 6 applys the pressure to fixed plate 7, guarantee electric telescopic handle 6's stability.
In the embodiment of the present utility model, referring to fig. 2, the outer wall of the main shaft 2 of the generator is sleeved with a protection plate 3, the end surface of the protection plate 3 is provided with a rotation groove 4, and the inner wall of the rotation groove 4 is rotatably connected with the outer wall of one end of the outer friction cylinder 5.
It should be noted that: by providing the protection plate 3, the outer friction cylinder 5 can be closed, and foreign matters are prevented from entering the inner part of the outer friction cylinder 5 when in use, and the contact between the inner friction plate 21 and the outer friction plate 8 is prevented from being influenced.
In the embodiment of the present utility model, referring to fig. 3, the shape of the fixing plate 7 is arc-shaped, and the inner diameter dimension of the fixing plate 7 toward one end of the inner friction cylinder 20 is identical to the outer diameter dimension of the inner friction cylinder 20.
It should be noted that: through setting up curved fixed plate 7, be convenient for with fixed plate 7 and interior friction tube 20 contact, improve the brake effect.
In the embodiment of the present utility model, referring to fig. 4, a second mounting hole 17 is provided on one side of the mounting hole 16, an outer wall of the second electric telescopic rod 11 is installed in the second mounting hole 17, one end of the second electric telescopic rod 11 is fixedly connected with the second fixing plate 12, and a second outer friction plate 13 is adhered to an end surface of the second fixing plate 12.
It should be noted that: through setting up second electric telescopic handle 11 and second fixed plate 12, can cooperate with electric telescopic handle 6 and fixed plate 7, increased adjustable scope, and then improved the brake effect.
In the embodiment of the present utility model, referring to fig. 4, the shape and structure of the second fixing plate 12 is identical to the shape and structure of the fixing plate 7, the other end of the second electric telescopic rod 11 is fixedly connected to the inner wall of the second supporting ring 14, and the inner wall of the second supporting ring 14 is connected to the outer wall of the outer friction cylinder 5 through a plurality of second connecting rods 15.
It should be noted that: by providing the second support ring 14, the second electric telescopic rod 11 can be supported by the second support ring 14, the other end of the second electric telescopic rod is prevented from being influenced by external force, the movement stability of the second electric telescopic rod 11 is influenced, and when the second electric telescopic rod 11 applies pressure to the second fixing plate 12 through the second support ring 14,
The utility model provides a wind driven generator braking device, which has the following working principle:
The electric telescopic rod 6 drives the fixed plate 7 to move towards the direction of the inner friction cylinder 20, the outer friction plate 8 is contacted with the inner friction plate 21, further, friction force between the inner friction plate 21 and the outer friction plate 8 is utilized to block the main shaft 2 of the generator, the rotating speed of the main shaft 2 of the generator is reduced, the damage to the generator is prevented from being caused due to the fact that the rotating speed of the main shaft is too fast, after the outer friction plate 8 is contacted with the inner friction plate 21, the movement of the electric telescopic rod 6 can be controlled, the pressure of the electric telescopic rod 6 to the fixed plate 7 and the quantity of the movable fixed plates 7 are adjusted, the adjustment of the friction force between the inner friction plate 21 and the outer friction plate 8 is achieved, and on the premise that the main shaft is not damaged, the main shaft can be rapidly braked according to different requirements, and the braking efficiency is improved.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A wind turbine brake apparatus, comprising: the electric generator main shaft (2) rotationally connected with the wheel bin (1), an inner friction cylinder (20) is connected with an outer wall sleeve of the electric generator main shaft (2), an inner wall of the wheel bin (1) on one side of the inner friction cylinder (20) is connected with a mounting plate (18), a through hole (19) for the electric generator main shaft (2) to pass through is formed in the mounting plate (18), an outer friction cylinder (5) is fixedly connected with the end face of the mounting plate (18), the inner friction cylinder (20) is located the inner side of the outer friction cylinder (5), a plurality of mounting holes (16) are formed in the outer wall of the outer friction cylinder (5), an outer wall of an electric telescopic rod (6) is mounted in the mounting holes (16), one end of the electric telescopic rod (6) is fixedly connected with a fixing plate (7), an inner friction plate (21) is adhered to the outer wall of the inner friction cylinder (20), and an outer friction plate (8) is adhered to the end face of the fixing plate (7).
2. The wind driven generator braking device according to claim 1, wherein the other end of the electric telescopic rod (6) is fixedly connected with the inner wall of the supporting ring (9), and the inner wall of the supporting ring (9) is connected with the outer wall of the outer friction cylinder (5) through a plurality of connecting rods (10).
3. The wind driven generator braking device according to claim 1, wherein the outer wall of the generator main shaft (2) is sleeved with a protection plate (3), the end face of the protection plate (3) is provided with a rotating groove (4), and the inner wall of the rotating groove (4) is rotationally connected with the outer wall of one end of the outer friction cylinder (5).
4. A wind power generator braking device according to claim 1, characterized in that the shape of the fixing plate (7) is arc-shaped, and the inner diameter dimension of the fixing plate (7) facing one end of the inner friction cylinder (20) is consistent with the outer diameter dimension of the inner friction cylinder (20).
5. The wind driven generator braking device according to claim 4, characterized in that a second mounting hole (17) is formed in one side of the mounting hole (16), the outer wall of a second electric telescopic rod (11) is mounted in the second mounting hole (17), one end of the second electric telescopic rod (11) is fixedly connected with a second fixing plate (12), and a second outer friction plate (13) is adhered to the end face of the second fixing plate (12).
6. A wind power generator braking device according to claim 5, wherein the shape structure of the second fixing plate (12) is consistent with the shape structure of the fixing plate (7), the other end of the second electric telescopic rod (11) is fixedly connected with the inner wall of the second supporting ring (14), and the inner wall of the second supporting ring (14) is connected with the outer wall of the outer friction cylinder (5) through a plurality of second connecting rods (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346738.0U CN220850488U (en) | 2023-08-31 | 2023-08-31 | Braking device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346738.0U CN220850488U (en) | 2023-08-31 | 2023-08-31 | Braking device of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850488U true CN220850488U (en) | 2024-04-26 |
Family
ID=90770699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322346738.0U Active CN220850488U (en) | 2023-08-31 | 2023-08-31 | Braking device of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850488U (en) |
-
2023
- 2023-08-31 CN CN202322346738.0U patent/CN220850488U/en active Active
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