CN221195267U - Wind power variable pitch slip ring based on gear transmission - Google Patents
Wind power variable pitch slip ring based on gear transmission Download PDFInfo
- Publication number
- CN221195267U CN221195267U CN202322596440.5U CN202322596440U CN221195267U CN 221195267 U CN221195267 U CN 221195267U CN 202322596440 U CN202322596440 U CN 202322596440U CN 221195267 U CN221195267 U CN 221195267U
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- Prior art keywords
- slip ring
- variable pitch
- gear
- optical fiber
- central shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 239000013307 optical fiber Substances 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a wind power variable pitch slip ring based on gear transmission, which comprises a variable pitch slip ring central shaft, an optical fiber slip ring rotor, an optical fiber slip ring stator, a transmission shaft and an encoder, wherein the variable pitch slip ring central shaft is connected with the optical fiber slip ring rotor through a transmission shaft; the optical fiber slip ring stator is positioned above the optical fiber slip ring rotor, the optical fiber slip ring rotor is arranged inside a variable pitch slip ring central shaft, and a gear I is arranged outside the variable pitch slip ring central shaft; the encoder is connected with the transmission shaft through the coupler, and a gear II meshed with the gear I is arranged at one end, away from the coupler, of the transmission shaft. According to the utility model, the central shaft drives the encoder to rotate through the gear mechanism; the service life of the gear is long, and the pitch slip ring does not need to be replaced in the service life period; the gear transmission precision is high.
Description
Technical Field
The utility model relates to the technical field of wind power variable pitch slip rings, in particular to a wind power variable pitch slip ring based on gear transmission.
Background
The wind power variable pitch slip ring is equipment for bearing power and signal transmission between a fan cabin and a fan hub; simultaneously, an encoder can be arranged on the time-varying oar slip ring and used for measuring the rotating speed and the running angle of the hub; the optical fiber slip ring is integrated on the wind power variable pitch slip ring more and more due to the fact that the transmission rate is high and signals are stable, and the optical fiber slip ring is used for signal transmission between the engine room and the hub. And because of the structural characteristics of the optical fiber slip ring, the optical fiber slip ring must be mounted on the central shaft of the slip ring.
The encoder is typically also arranged on the central axis of the pitch slip ring, as it is to be rotated by the pitch slip ring. This results in a collision between the fiber slip ring and the encoder mounting location.
The utility model discloses a wind-powered electricity generation becomes oar sliding ring based on band pulley drive is CN215221222U, and it proposes one kind and installs the encoder with become the center pin parallel of oar sliding ring, and the center pin passes through belt pulley mechanism, drives the rotatory design of encoder, but adopts the belt pulley to have following problem:
(1) The service life of the variable pitch slip ring is generally required to be 20 years in a main machine factory, and exceeds the normal service life of a belt; the belt needs to be replaced for many times in the life cycle of the variable pitch slip ring;
(2) After the belt is used for a long time, the tension can be reduced, and the tension needs to be regulated regularly;
(3) The transmission precision of the belt pulley is relatively low, and the belt is aged after long-time use, so that the precision is further reduced, and the encoder is adversely affected.
Disclosure of utility model
The utility model aims to provide a wind power variable pitch slip ring based on gear transmission so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the wind power variable pitch slip ring based on gear transmission comprises a variable pitch slip ring central shaft, an optical fiber slip ring rotor, an optical fiber slip ring stator, a transmission shaft and an encoder; the optical fiber slip ring stator is positioned above the optical fiber slip ring rotor, the optical fiber slip ring rotor is arranged inside a variable pitch slip ring central shaft, and a gear I is arranged outside the variable pitch slip ring central shaft; the encoder is connected with the transmission shaft through the coupler, and a gear II meshed with the gear I is arranged at one end, away from the coupler, of the transmission shaft.
Preferably, the optical fiber slip ring stator further comprises a stop wall, and the optical fiber slip ring stator is fixed on the stop wall.
Preferably, the encoder is arranged in parallel with the central axis of the pitch slip ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. The central shaft of the variable pitch slip ring drives the encoder to rotate through a gear mechanism; the service life of the gear is long, and the pitch slip ring does not need to be replaced in the service life period; compared with a belt pulley mechanism, the gear transmission precision is higher.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a variable pitch slip ring central shaft; 2. an optical fiber slip ring rotor; 3. an optical fiber slip ring stator; 4. a stop wall; 5. a first gear; 6. a second gear; 7. a transmission shaft; 8. a coupling; 9. an encoder.
Detailed Description
For the purpose of making 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. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. 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.
Referring to fig. 1, in an embodiment of the present utility model, a wind power pitch slip ring based on gear transmission includes a pitch slip ring central shaft 1, an optical fiber slip ring rotor 2, an optical fiber slip ring stator 3, a transmission shaft 7 and an encoder 9; the optical fiber slip ring stator 3 is fixed on the stop wall 4, the optical fiber slip ring stator 3 is positioned above the optical fiber slip ring rotor 2, the optical fiber slip ring rotor 2 is arranged inside the variable pitch slip ring central shaft 1, and a gear I5 is arranged outside the variable pitch slip ring central shaft 1; the encoder 9 is connected with the transmission shaft 7 through the coupler 8, the encoder 9 is arranged in parallel with the central shaft 1 of the pitch slip ring, and one end of the transmission shaft, which is far away from the coupler 8, is provided with the gear II 6 which is meshed with the gear I5; the optical fiber slip ring rotor 2 is arranged in the central shaft 1 of the variable pitch slip ring and rotates along with the central shaft; the light slip ring stator 3 is fixed by the stop wall 4 and is kept not to rotate; the gear I5 is fixed on the variable pitch slip ring central shaft 1, rotates along with the variable pitch slip ring central shaft 1, and drives the gear II 6 to rotate, and the gear II 6 drives the transmission shaft 7 to rotate; the transmission shaft drives the encoder 9 to rotate through the coupler 8.
The working principle of the utility model is as follows: the optical fiber slip ring rotor 2 is arranged in the central shaft 1 of the variable pitch slip ring and rotates along with the central shaft; the light slip ring stator 3 is fixed by the stop wall 4 and is kept not to rotate; the gear I5 is fixed on the variable pitch slip ring central shaft 1, rotates along with the variable pitch slip ring central shaft 1, and drives the gear II 6 to rotate, and the gear II 6 drives the transmission shaft 7 to rotate; the transmission shaft drives the encoder 9 to rotate through the coupler 8.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. Wind-powered electricity generation becomes oar sliding ring based on gear drive, its characterized in that: the variable pitch slip ring comprises a variable pitch slip ring central shaft (1), an optical fiber slip ring rotor (2), an optical fiber slip ring stator (3), a transmission shaft (7) and an encoder (9); the optical fiber slip ring stator (3) is positioned above the optical fiber slip ring rotor (2), the optical fiber slip ring rotor (2) is arranged inside the variable pitch slip ring central shaft (1), and a gear I (5) is arranged outside the variable pitch slip ring central shaft (1); the encoder (9) is connected with the transmission shaft (7) through the coupler (8), and a gear II (6) meshed with the gear I (5) is arranged at one end, far away from the coupler (8), of the transmission shaft (7).
2. The gear-driven wind power variable pitch slip ring as defined in claim 1, wherein: the optical fiber slip ring stator (3) is fixed on the stop wall (4).
3. The gear-driven wind power variable pitch slip ring as defined in claim 1, wherein: the encoder (9) is arranged in parallel with the central shaft (1) of the variable pitch slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596440.5U CN221195267U (en) | 2023-09-25 | 2023-09-25 | Wind power variable pitch slip ring based on gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596440.5U CN221195267U (en) | 2023-09-25 | 2023-09-25 | Wind power variable pitch slip ring based on gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195267U true CN221195267U (en) | 2024-06-21 |
Family
ID=91525066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322596440.5U Active CN221195267U (en) | 2023-09-25 | 2023-09-25 | Wind power variable pitch slip ring based on gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195267U (en) |
-
2023
- 2023-09-25 CN CN202322596440.5U patent/CN221195267U/en active Active
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| GR01 | Patent grant |