CN220302251U - Speed limiting mechanism of wind driven generator - Google Patents
Speed limiting mechanism of wind driven generator Download PDFInfo
- Publication number
- CN220302251U CN220302251U CN202321973158.8U CN202321973158U CN220302251U CN 220302251 U CN220302251 U CN 220302251U CN 202321973158 U CN202321973158 U CN 202321973158U CN 220302251 U CN220302251 U CN 220302251U
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- Prior art keywords
- speed limiting
- driven generator
- wind driven
- positioning
- assembly
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness 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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- Wind Motors (AREA)
Abstract
The utility model relates to the technical field of wind driven generators, in particular to a speed limiting mechanism of a wind driven generator, which comprises a turntable, a positioning assembly, two friction plates and a speed limiting assembly, wherein the positioning assembly is arranged on an output shaft of a wind driven generator body, the turntable is movably arranged on the positioning assembly, the two friction plates are respectively and fixedly arranged on two sides of the turntable, the speed limiting assembly is arranged on the wind driven generator body, and an output end of the speed limiting assembly can be in contact with the two friction plates. The whole speed limiting mechanism is arranged on the outer side of the wind driven generator body, so that the wind driven generator body can be more conveniently maintained and maintained, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a speed limiting mechanism of a wind driven generator.
Background
The wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. The working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft;
through retrieval, chinese patent publication No. CN211288526U discloses a speed limiting and braking device of a wind driven generator, which comprises a shell, wherein a generator is fixedly installed in the shell, a rotating shaft is movably sleeved in the generator, a speed increasing box is fixedly sleeved on the left side of the rotating shaft, a brake block positioned on the left side of the speed increasing box is fixedly sleeved on the outer surface of the rotating shaft, the middle part of the brake block is outwards protruded, a brake disc is arranged outside the brake block, a fixing seat is fixedly connected to the top of the brake disc, and the top of the fixing seat is fixedly connected with the top of an inner cavity of the shell;
the mode that this patent adopted first to slow down and stop again stops brakes, can make the rotational speed of pivot have a gradual change process, but, speed limiting mechanism in the device is located inside the equipment, is inconvenient for maintaining speed limiting mechanism maintenance and maintenance, and this speed limiting mechanism uses to have the limitation, has consequently reduced the practicality of this speed limiting mechanism.
Disclosure of Invention
The utility model aims to solve the defect of inconvenient maintenance in the prior art, and provides a speed limiting mechanism of a wind driven generator.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a wind-driven generator speed limiting mechanism, includes carousel, locating component, two friction discs and speed limiting component, locating component installs on the output shaft of wind-driven generator body, carousel movable mounting is on locating component, two friction discs respectively fixed mounting is in the both sides of carousel, speed limiting component installs on the wind-driven generator body, and the output can contact with two friction discs.
Preferably, the positioning assembly comprises a first positioning plate, a second positioning plate, a limit strip and an elastic sheet; the first locating plate and the second locating plate are fixedly installed on an output shaft of the wind driven generator body in parallel, the limiting strip is fixedly installed between the first locating plate and the second locating plate, the rotary disc is sleeved on the limiting strip and can slide relative to the limiting strip, one end of the elastic sheet is fixedly connected with the first locating plate, and the other end of the elastic sheet is fixedly connected with the rotary disc.
Preferably, a plurality of protrusions are fixedly arranged on the outer sides of the two friction plates, and the protrusions are distributed around the corresponding friction plates at equal intervals.
Preferably, the turntable is provided with a positioning groove corresponding to the limiting strip, and the positioning groove is matched with the limiting strip.
Preferably, the speed limiting assembly comprises a fixed plate, two cylinders and two first speed limiting pieces; the fixed plate is fixedly arranged on the wind driven generator body, the two cylinders are fixedly arranged on the outer side of the fixed plate, the output ends of the two cylinders are fixedly connected with the two first speed limiting pieces respectively, and the two first speed limiting pieces can be in contact with the corresponding friction plates.
Preferably, the speed limiting assembly further comprises two mounting rods and two second speed limiting pieces; one end of each of the two mounting rods is fixedly connected with the outer edge of the fixing plate, and the two second speed limiting plates are respectively and fixedly arranged at the other ends of the two mounting rods and can be in contact with the corresponding friction plates.
The utility model provides a speed limiting mechanism of a wind driven generator, which has the beneficial effects that: the friction plates at one side of the rotary table are contacted with the friction plates at the other side of the rotary table through controlling the two cylinders, at the moment, the friction plates are acted by the first speed limiting plates, so that the rotary table is enabled to slide towards the first locating plate, the friction plates at the other side of the rotary table are enabled to be contacted with the second speed limiting plates, friction is generated between the two friction plates and the first speed limiting plates and the second speed limiting plates respectively, the resistance of the rotary table can be rapidly increased, the rotating speed of an output shaft of the wind driven generator body is further reduced, the speed limiting effect on the wind driven generator body is achieved, and the whole speed limiting mechanism is arranged at the outer side of the wind driven generator body, so that the wind driven generator body can be more conveniently maintained and maintained, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a speed limiting mechanism of a wind turbine according to the present utility model;
FIG. 2 is a schematic diagram of a positioning assembly of a speed limiting mechanism of a wind turbine according to the present utility model;
FIG. 3 is a schematic diagram of a rotor disc of a speed limiting mechanism of a wind turbine according to the present utility model;
fig. 4 is a schematic structural diagram of a speed limiting assembly of a speed limiting mechanism of a wind driven generator according to the present utility model.
In the figure: the wind driven generator comprises a wind driven generator body 1, a turntable 2, a positioning groove 21, a positioning assembly 3, a first positioning plate 31, a second positioning plate 32, a limit strip 33, a spring piece 34, a friction plate 4, a bulge 41, a speed limiting assembly 5, a fixing plate 51, an air cylinder 52, a first speed limiting piece 53, a mounting rod 54 and a second speed limiting piece 55.
Detailed Description
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.
Referring to fig. 1-4, a speed limiting mechanism of a wind driven generator comprises a rotary table 2, a positioning component 3, two friction plates 4 and a speed limiting component 5, wherein the positioning component 3 is arranged on an output shaft of a wind driven generator body 1, the rotary table 2 is movably arranged on the positioning component 3, the two friction plates 4 are respectively and fixedly arranged on two sides of the rotary table 2, a plurality of protrusions 41 are fixedly arranged on the outer sides of the two friction plates 4, and the protrusions 41 are distributed around the corresponding friction plates 4 at equal intervals; the turntable 2 is provided with a positioning groove 21 corresponding to the limiting strip 33, and the positioning groove 21 is matched with the limiting strip 33; the protrusions 41 can increase the surface roughness of the friction plate 4, which is beneficial to friction speed limitation.
The positioning assembly 3 comprises a first positioning plate 31, a second positioning plate 32, a limit strip 33 and a spring piece 34; the first positioning plate 31 and the second positioning plate 32 are fixedly installed on the output shaft of the wind driven generator body 1 in parallel, the limit strip 33 is fixedly installed between the first positioning plate 31 and the second positioning plate 32, the rotary table 2 is sleeved on the limit strip 33 and can slide relatively to the limit strip 33, one end of the elastic sheet 34 is fixedly connected with the first positioning plate 31, and the other end of the elastic sheet 34 is fixedly connected with the rotary table 2; the limiting strips 33 can limit the rotating disc 2, so that the rotating disc 2 and the output shaft of the wind driven generator body 1 can synchronously rotate, and the rotation speed of the output shaft of the wind driven generator body 1 can be limited by limiting the rotation speed of the rotating disc 2.
The speed limiting assembly 5 comprises a fixed plate 51, two air cylinders 52, two first speed limiting pieces 53, two mounting rods 54 and two second speed limiting pieces 55; the fixed plate 51 is fixedly arranged on the wind driven generator body 1, the two air cylinders 52 are fixedly arranged on the outer side of the fixed plate 51, the output ends of the two air cylinders are fixedly connected with the two first speed limiting sheets 53 respectively, and the two first speed limiting sheets 53 can be in contact with the corresponding friction sheets 4; one end of each of the two mounting rods 54 is fixedly connected with the outer edge of the fixed plate 51, and the two second speed limiting plates 55 are respectively fixedly arranged at the other ends of the two mounting rods 54 and can be in contact with the corresponding friction plates 4;
working principle: the two first speed limiting plates 53 are contacted with the friction plates 4 on one side of the rotary table 2 by controlling the two air cylinders 52, at the moment, the friction plates 4 are acted by the first speed limiting plates 53, so that the rotary table 2 is acted to slide towards the first positioning plate 31, the friction plates 4 on the other side of the rotary table 2 are contacted with the second speed limiting plates 55, friction is generated between the two friction plates 4 and the first speed limiting plates 53 and the second speed limiting plates 55 respectively, the resistance of the rotary table 2 can be rapidly increased, the rotating speed of an output shaft of the wind driven generator body 1 is reduced, the speed limiting effect on the wind driven generator body 1 is realized, and the whole speed limiting mechanism is arranged on the outer side of the wind driven generator body 1, so that the wind driven generator body can be more conveniently repaired and maintained, and the maintenance cost is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (3)
1. The speed limiting mechanism of the wind driven generator is characterized by comprising a rotary table (2), a positioning assembly (3), two friction plates (4) and a speed limiting assembly (5), wherein the positioning assembly (3) is arranged on an output shaft of a wind driven generator body (1), the rotary table (2) is movably arranged on the positioning assembly (3), the two friction plates (4) are respectively and fixedly arranged on two sides of the rotary table (2), and the speed limiting assembly (5) is arranged on the wind driven generator body (1) and the output end of the speed limiting assembly can be contacted with the two friction plates (4);
the positioning assembly (3) comprises a first positioning plate (31), a second positioning plate (32), a limit strip (33) and an elastic sheet (34); the first positioning plate (31) and the second positioning plate (32) are fixedly arranged on an output shaft of the wind driven generator body (1) in parallel, the limit strip (33) is fixedly arranged between the first positioning plate (31) and the second positioning plate (32), the rotary table (2) is sleeved on the limit strip (33) and can slide relatively to the limit strip (33), one end of the elastic sheet (34) is fixedly connected with the first positioning plate (31), and the other end of the elastic sheet (34) is fixedly connected with the rotary table (2);
the speed limiting assembly (5) comprises a fixed plate (51), two air cylinders (52) and two first speed limiting sheets (53); the fixed plate (51) is fixedly arranged on the wind driven generator body (1), the two air cylinders (52) are fixedly arranged on the outer side of the fixed plate (51), the output ends of the two air cylinders are fixedly connected with the two first speed limiting sheets (53) respectively, and the two first speed limiting sheets (53) can be in contact with the corresponding friction sheets (4);
the speed limiting assembly (5) further comprises two mounting rods (54) and two second speed limiting pieces (55); one end of each of the two mounting rods (54) is fixedly connected with the outer edge of the fixing plate (51), and the two second speed limiting plates (55) are respectively and fixedly arranged at the other ends of the two mounting rods (54) and can be in contact with the corresponding friction plates (4).
2. A wind turbine speed limiting mechanism according to claim 1, wherein a plurality of protrusions (41) are fixedly arranged on the outer sides of the two friction plates (4), and the protrusions (41) are equidistantly distributed around the corresponding friction plates (4).
3. The wind driven generator speed limiting mechanism according to claim 2, wherein the turntable (2) is provided with a positioning groove (21) corresponding to the limiting strip (33), and the positioning groove (21) is matched with the limiting strip (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973158.8U CN220302251U (en) | 2023-07-26 | 2023-07-26 | Speed limiting mechanism of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973158.8U CN220302251U (en) | 2023-07-26 | 2023-07-26 | Speed limiting mechanism of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302251U true CN220302251U (en) | 2024-01-05 |
Family
ID=89375475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321973158.8U Active CN220302251U (en) | 2023-07-26 | 2023-07-26 | Speed limiting mechanism of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302251U (en) |
-
2023
- 2023-07-26 CN CN202321973158.8U patent/CN220302251U/en active Active
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