CN220540147U - Torque limiter for wind power coupler - Google Patents
Torque limiter for wind power coupler Download PDFInfo
- Publication number
- CN220540147U CN220540147U CN202322344309.XU CN202322344309U CN220540147U CN 220540147 U CN220540147 U CN 220540147U CN 202322344309 U CN202322344309 U CN 202322344309U CN 220540147 U CN220540147 U CN 220540147U
- Authority
- CN
- China
- Prior art keywords
- friction
- disc
- dual
- torque limiter
- wind power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009977 dual effect Effects 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The torque limiter for the wind power coupler comprises a pair disc, a friction disc and a friction body arranged above the pair disc and the friction disc, wherein an L-shaped notch is formed in one surface of the pair disc, which faces the friction disc, and an extension part extending into the L-shaped notch is arranged on one surface of the friction body, which faces the L-shaped notch; the dual disc and the friction disc are fixed by a plurality of locking bolts and the extension part is fixed between the dual disc and the friction disc; the dual disc and one surface of the friction disc, which faces the extending part, are provided with friction plates, and copper rings are arranged on the bottom of the extending part and the L-shaped notch, so that the problems of eccentric wear and torque reduction of the torque limiter in the using process can be avoided, the service life of the torque limiter is prolonged, and the maintenance cost of the fan is reduced.
Description
Technical Field
The utility model relates to the technical field of torque limiters, in particular to a torque limiter for a wind power coupler.
Background
The wind power coupling is a component for transmitting torque between the gear box and the generator, and in addition, the wind power coupling also has an overload protection function, and when the load at two ends of the coupling exceeds the rated slip torque, the wind power coupling automatically slips, so that the overload protection of the generator set is realized.
Overload slip of the torque limiter is achieved by adjusting the torque in two ways: firstly, adjusting the size of a friction plate or the distance between the friction plate and the rotation center of a torque limiter; and secondly, the locking force of the friction plate and the locking bolt of the dual disc is adjusted, so that the torque is adjusted.
The existing torque limiter can cause uneven stress of a friction disc due to the locking force of a bolt, the phenomenon of eccentric wear of the friction disc occurs, and after the friction disc is worn, the locking force of the bolt cannot be compensated, the phenomenon of torque reduction of the torque limiter occurs, and the size of the generated energy of a fan is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a torque limiter for a wind power coupler.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the torque limiter for the wind power coupler comprises a pair disc, a friction disc and a friction body arranged above the pair disc and the friction disc, wherein an L-shaped notch is formed in one surface of the pair disc, which faces the friction disc, and an extension part extending into the L-shaped notch is arranged on one surface of the friction body, which faces the L-shaped notch; the dual disc and the friction disc are fixed by a plurality of locking bolts and the extension part is fixed between the dual disc and the friction disc; the dual disc and one surface of the friction disc, which faces the extension part, are provided with friction plates, and copper rings are arranged on the bottom of the extension part and the L-shaped notch.
In one embodiment, a plurality of the locking bolts are each provided with a butterfly spring.
In one embodiment, a plurality of pins are provided between the dual plate and the friction plate, each pin being located between each two of the locking bolts.
In one embodiment, a sealing ring is arranged between the friction body and the dual disc and the friction disc.
In one embodiment, the lateral width of the extension is greater than the lateral width of the L-shaped recess.
In one embodiment, the friction body is integrally formed with the extension.
In one embodiment, the friction body has a slope of 0.1-0.15mm on both sides in contact with the friction disc and the dual disc.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the dual disc, the friction body, the L-shaped notch, the extension part, the friction plate, the copper ring and the pin, the problems of eccentric wear and torque reduction of the torque limiter in the use process can be avoided, the service life of the torque limiter is prolonged, and the maintenance cost of the fan is reduced.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic side cross-sectional view of the structure of FIG. 1 of the present utility model;
fig. 3 is a schematic top view of fig. 1 of the present utility model.
In the figure: 10. the dual disc, 15, L-shaped notch, 16, locking bolt, 17, friction plate, 18, butterfly spring, 20, friction disc, 26, copper ring, 27, pin, 30, friction body, 35, extension, 36 and sealing ring.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Example 1
As shown in fig. 1-3, the present embodiment includes a dual disc 10, a friction disc 20, and a friction body 30 disposed above the dual disc 10 and the friction disc 20, wherein an L-shaped recess 15 is formed on a surface of the dual disc 10 facing the friction disc 20, and an extension portion 35 extending into the L-shaped recess 15 is formed on a surface of the friction body 30 facing the L-shaped recess 15; in this embodiment, the friction body 30 is annular, and the friction body 30 and the extension 35 are integrally formed.
The dual plate 10 and the friction plate 20 are fixed by a plurality of locking bolts 16 and the extension 35 is fixed between the dual plate 10 and the friction plate 20; in the present embodiment, the lateral width of the extension 35 is greater than the lateral width of the L-shaped recess 15, thereby securing the friction body 30 between the dual plate 10 and the friction plate 20 by the plurality of locking bolts 16.
In this embodiment, the two surfaces of the friction body 30 contacting the friction disc 20 and the dual disc 10 have a slope of 0.1-0.15mm to offset the deformation of the friction disc 20 and the dual disc 10 due to the locking of the locking bolt 16, thereby avoiding the eccentric wear of the friction plate 17.
The pair of discs 10 and the friction disc 20 are each provided with friction plates 17 on the side facing the extension 35, in this embodiment a plurality of friction plates 17.
The bottom of the extension part 35 and the L-shaped notch 15 are provided with copper rings 26; in this embodiment, the copper ring 26 is mounted on the inner ring of the friction body 30 to contact the dual disc 10, thereby reducing the friction between the dual disc 10 and the friction body 30, and ensuring that the friction body 30 and the dual disc 10 do not move radially (i.e., are guided).
The plurality of locking bolts 16 are provided with the butterfly springs 18, so that when the friction plate 17 is in slipping and wearing, and the thickness of the friction plate is thinned, the butterfly springs 18 provide pressure by releasing deformation, so that the positive pressure pressed on the friction plate 17 is kept unchanged, and the torque of the torque limiter is kept constant.
A plurality of pins 27 are provided between the dual plate 10 and the friction plate 20, and each pin 27 is located between every two locking bolts 16, whereby the synchronous movement of the friction plate 20 and the dual plate 10 can be ensured by the pins 27.
The seal rings 36 are arranged between the friction body 30 and the dual disc 10 and between the friction disc 20, the seal rings 36 can ensure that abrasive dust of the friction plate 17 is not leaked out, the insulation performance of the coupler is affected, and meanwhile, the influence of external dust, oil, water and the like on the friction plate 17 is avoided, so that the torque is changed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the technical solution of the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solution described in the foregoing embodiments may be modified or some of the technical features thereof may be equally substituted; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A torque limiter for a wind power coupling, characterized by: the dual-disk type friction disk comprises a dual disk (10), a friction disk (20) and a friction body (30) arranged above the dual disk (10) and the friction disk (20), wherein an L-shaped notch (15) is formed in one surface of the dual disk (10) facing the friction disk (20), and an extension part (35) extending into the L-shaped notch (15) is formed in one surface of the friction body (30) facing the L-shaped notch (15); the dual disc (10) and the friction disc (20) are fixed by a plurality of locking bolts (16) and the extension (35) is fixed between the dual disc (10) and the friction disc (20); the dual disc (10) and the friction disc (20) are provided with friction plates (17) on one surface facing the extension part (35), and copper rings (26) are arranged on the bottom of the extension part (35) and the L-shaped notch (15).
2. The torque limiter for a wind power coupling according to claim 1, wherein: a plurality of locking bolts (16) are provided with butterfly springs (18).
3. The torque limiter for a wind power coupling according to claim 2, wherein: a plurality of pins (27) are arranged between the dual disc (10) and the friction disc (20), and each pin (27) is positioned between every two locking bolts (16).
4. A torque limiter for a wind power coupling as claimed in claim 3 wherein: sealing rings (36) are arranged between the friction body (30) and the dual disc (10) and between the friction disc (20).
5. The torque limiter for a wind power coupling according to claim 1, wherein: the lateral width of the extension (35) is greater than the lateral width of the L-shaped recess (15).
6. The torque limiter for a wind power coupling according to claim 1, wherein: the friction body (30) and the extension part (35) are integrally formed.
7. The torque limiter for a wind power coupling according to claim 1, wherein: the friction body (30) has a slope of 0.1-0.15mm on both sides in contact with the friction plate (20) and the dual plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322344309.XU CN220540147U (en) | 2023-08-30 | 2023-08-30 | Torque limiter for wind power coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322344309.XU CN220540147U (en) | 2023-08-30 | 2023-08-30 | Torque limiter for wind power coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540147U true CN220540147U (en) | 2024-02-27 |
Family
ID=89970971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322344309.XU Active CN220540147U (en) | 2023-08-30 | 2023-08-30 | Torque limiter for wind power coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540147U (en) |
-
2023
- 2023-08-30 CN CN202322344309.XU patent/CN220540147U/en active Active
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| GR01 | Patent grant | ||
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