CN117967720A - Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator - Google Patents

Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator Download PDF

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Publication number
CN117967720A
CN117967720A CN202410174638.0A CN202410174638A CN117967720A CN 117967720 A CN117967720 A CN 117967720A CN 202410174638 A CN202410174638 A CN 202410174638A CN 117967720 A CN117967720 A CN 117967720A
Authority
CN
China
Prior art keywords
spring
automatic cleaning
driving
driving shaft
cleaning device
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.)
Pending
Application number
CN202410174638.0A
Other languages
Chinese (zh)
Inventor
刘福春
王耀
郭世伟
苗向文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinovel Wind Group Co Ltd
Original Assignee
Sinovel Wind Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinovel Wind Group Co Ltd filed Critical Sinovel Wind Group Co Ltd
Priority to CN202410174638.0A priority Critical patent/CN117967720A/en
Publication of CN117967720A publication Critical patent/CN117967720A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/0031—Devices for retaining friction material debris, e.g. dust collectors or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • F03D80/55—Cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/0037—Devices for conditioning friction surfaces, e.g. cleaning or abrasive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/005—Components of axially engaging brakes not otherwise provided for
    • F16D65/0068—Brake calipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses an automatic cleaning device for a yaw brake disc of a wind turbine and the wind turbine, wherein the automatic cleaning device comprises a connecting assembly, a driving assembly and a cleaning assembly, the connecting assembly comprises a connecting plate, a supporting rod and a spring, the connecting plate is fixedly connected to a yaw brake, one end of the supporting rod is pivotally connected with the connecting plate, one end of the spring is connected with the connecting plate, and the other end of the spring is connected with the supporting rod; the driving assembly comprises a driving shaft and a driving wheel fixedly nested to the driving shaft, the driving shaft is rotationally connected with the other end of the supporting rod, and the driving wheel is propped against the inner side surface of the yaw brake disc under the action of the elastic force of the spring; the cleaning assembly comprises a disc body and a cleaning brush, and a through hole for a driving shaft to pass through is formed in the central position of the disc body, so that the cleaning assembly is fixedly connected with the driving assembly along the rotating direction. The automatic cleaning device can automatically clean the upper surface of the yaw brake disc in time in the yaw process of the unit, does not need to provide an additional power source, and saves energy.

Description

Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator
Technical Field
The invention relates to the technical field of wind power generation, in particular to an automatic cleaning device for a yaw brake disc of a wind turbine generator and the wind turbine generator.
Background
The problems of noise and vibration generated in the yaw process of the engine room of the wind generating set always exist, and manufacturers of each brake and each friction plate solve the problems by optimizing the formula of the friction plate without leaving any force, but the effect is still unsatisfactory. The reason why vibration and noise are generated during a part of yaw is that the abrasive dust generated during the yaw process and dust entering the cabin are condensed on the friction plate or the brake disc during the yaw process, so that an enamel layer is generated, the state of the friction surface is changed, the friction state is changed, noise and vibration are caused, and therefore impurities on the surface of the brake disc are frequently cleaned, and the method is an effective method for solving the yaw noise and vibration. However, manual cleaning is time-consuming and labor-consuming, especially in the wind field with more units, maintenance personnel are limited and often cannot perform frequent cleaning, so that a cleaning device capable of automatically cleaning the surface of a yaw brake disc is needed.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above-mentioned problems, according to a first aspect of the present invention, there is provided an automatic cleaning device for a yaw brake disc of a wind turbine, comprising:
The connecting assembly comprises a connecting plate, a supporting rod and a spring, wherein the connecting plate is fixedly connected to the side face of the yaw brake, one end of the supporting rod is pivotally connected with the connecting plate, one end of the spring is connected with the connecting plate, and the other end of the spring is connected with the supporting rod;
The driving assembly comprises a driving wheel and a driving shaft, the driving wheel is fixedly nested to the driving shaft, the driving shaft is rotationally connected with the other end of the supporting rod, and the driving wheel is pressed against the inner side surface of the yaw brake disc under the action of the elasticity of the spring;
The cleaning assembly comprises a disc body and a cleaning brush attached to the lower end face of the disc body, and a through hole for the driving shaft to pass through is formed in the center of the disc body, so that the cleaning assembly is fixedly connected with the driving assembly along the rotating direction.
Further, the connecting plate includes first connecting plate and the second connecting plate that are connected to respectively the upper brake caliper body of yaw brake and lower brake caliper body, the bracing piece include respectively with first connecting plate with second connecting plate pivoted connection's first bracing piece and second bracing piece, the spring include both ends respectively with first connecting plate with first spring that the bracing piece is connected and both ends respectively with second connecting plate with the second spring that the bracing piece is connected, the both ends of drive shaft respectively with first bracing piece with the second bracing piece rotates to be connected.
Further, the automatic cleaning device further comprises an adjusting nut and a compression spring, wherein the adjusting nut is arranged on the upper end face of the disc body and is in threaded connection with the driving shaft, and the compression spring is sleeved on the driving shaft and is located between the lower end face of the disc body and the upper end face of the driving wheel.
Further, the spring is an extension spring.
Further, the included angle between the central line of the spring and the central line of the supporting rod is between 28 and 35 degrees.
Further, the through hole of the tray body is a hexagonal hole, and the driving shaft is provided with a hexagonal prism-shaped section matched with the hexagonal hole.
Further, the driving shaft and the supporting rod are connected with each other through a ball bearing.
Further, the driving shaft is provided with a key groove and is in transmission connection with the driving wheel through a key.
Further, the driving wheel is wrapped with an elastic material layer.
The invention further provides a wind turbine generator system, which comprises the automatic cleaning device.
The automatic cleaning device can automatically clean the upper surface of the yaw brake disc in time in the yaw process of the unit; the device does not need to provide an extra power source, and the yaw brake can generate friction force with the inner side surface of the yaw brake disc to drive the cleaning brush to rotate by virtue of the action of the yaw brake in the yaw process, so that the purpose of cleaning the yaw brake disc in time can be realized.
Drawings
The following drawings are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification. Embodiments of the present invention and their description are shown in the drawings to illustrate the devices and principles of the invention. In the drawings of which there are shown,
FIG. 1 is a schematic perspective view of an automatic cleaning device, yaw brake and yaw brake disc according to an embodiment of the present invention;
FIG. 2 is a schematic elevational view of an automatic cleaning apparatus, yaw brake and yaw brake disc of an embodiment of the present invention;
FIG. 3 is a schematic side view of an automatic cleaning apparatus and yaw brake according to an embodiment of the present invention;
FIG. 4 is a schematic top view of an automatic cleaning device and yaw brake according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of an automatic cleaning device according to an embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
In the following description, a detailed structure will be presented for the purpose of thoroughly understanding the present invention. It will be apparent that the invention is not limited to the specific details set forth in the skilled artisan. The preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to the detailed description, and should not be construed as limited to the embodiments set forth herein.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, as the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The terms "upper", "lower", "front", "rear", "left", "right" and the like are used herein for illustrative purposes only and are not limiting.
Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".
Hereinafter, specific embodiments of the present invention will be described in more detail with reference to the accompanying drawings, which illustrate representative embodiments of the present invention and not limit the present invention.
The invention provides an automatic cleaning device for a yaw brake disc of a wind turbine. As shown in fig. 1-5, the automatic cleaning device 100 of the present invention includes a connection assembly, a drive assembly, and a cleaning assembly. The connecting assembly comprises a connecting plate 1, a supporting rod 2 and a spring 3, wherein the connecting plate 1 is fixedly connected to the side face of the yaw brake 200, one end of the supporting rod 2 is pivotally connected with the connecting plate 1, one end of the spring 3 is connected with the connecting plate 1, and the other end of the spring 3 is connected with the supporting rod 2. The drive assembly comprises a drive wheel 4 and a drive shaft 5, the drive wheel 4 being fixedly nested to the drive shaft 5, preferably the drive shaft 5 is provided with a keyway and is in driving connection with the drive wheel 4 by means of a key 6; the driving shaft 5 is rotatably connected with the other end of the supporting rod 2, and the driving wheel 4 is pressed against the inner side surface of the yaw brake disc 300 under the elastic force of the spring 3. The cleaning assembly comprises a disc 7 and a cleaning brush 8 attached to the lower end surface of the disc, wherein the disc 7 is provided with a through hole in the central position for the driving shaft 5 to pass through, preferably the through hole is a hexagonal hole, and the driving shaft 5 is provided with a hexagonal prism-shaped section matched with the hexagonal hole, so that the disc 7 and the driving shaft 5 are fixedly connected along the rotation direction.
The automatic cleaning device is arranged on a yaw brake of a unit, and the driving wheel is pressed on the inner side surface of the yaw brake disc under the action of the elastic force of the spring. In the yaw process of the unit, the yaw brake drives the automatic cleaning device along with the action of the impeller, the driving wheel rotates due to the friction force generated by the driving wheel and the inner side surface of the yaw brake disc, and then the driving shaft and the cleaning assembly are driven to rotate, so that the foreign matters on the upper disc surface of the yaw brake disc are cleaned on the cabin platform, and the effect of cleaning the yaw brake disc is achieved.
According to an embodiment of the present invention, the connection plate 1 includes first and second connection plates 11 and 12 connected to the upper and lower caliper bodies 210 and 220 of the yaw brake 200, respectively, the support bar 2 includes first and second support bars 21 and 22 pivotally connected to the first and second connection plates 11 and 12, respectively, the spring 3 includes first and second springs 31 and 32 connected to the first and second connection plates 11 and 21, respectively, and connected to the second and second support bars 12 and 22, respectively, at both ends of the driving shaft 5 is rotatably connected to the first and second support bars 21 and 22, respectively. The device is more balanced in stress and more stable and reliable in operation.
According to an embodiment of the present invention, the automatic cleaning device 100 further includes an adjusting nut 9 and a compression spring 10, wherein the adjusting nut 9 is disposed on the upper end surface of the disc 7 and is in threaded connection with the driving shaft 5, and the compression spring 10 is sleeved on the driving shaft 5 and is located between the lower end surface of the disc 7 and the upper end surface of the driving wheel 4. Preferably, the upper and lower ends of the compression spring 10 are respectively abutted with the lower end face of the disc 7 and the upper end face of the driving wheel 4 through washers. The position of the cleaning assembly can be adjusted along the axial direction of the drive shaft by adjusting the nut and the compression spring, thereby adjusting the contact force and the contact area of the cleaning brush 8 with the upper disc surface of the yaw brake disc 300.
According to an embodiment of the invention, the spring 3 is a tension spring. Preferably, the centre line of the spring 3 intersects the centre line of the drive shaft 5. Further, the included angle between the center line of the spring 3 and the center line of the support rod 2 is between 28-35 degrees. This arrangement provides a stable support structure for the drive assembly and the cleaning assembly, and equalises the forces on the drive wheel 4. Preferably, the driving shaft 5 and the supporting rod 2 are connected to each other by a ball bearing 23 to reduce driving resistance. Further preferably, the driving wheel 4 is wrapped with an elastic material layer 41, and the outer circumferential surface of the driving wheel is provided with an elastic material layer, such as a rubber material, which is effective for reducing wear between the driving wheel and the inner side surface of the yaw brake disc, increasing contact surface friction and reducing noise.
The yaw brake 200 of the present invention is provided with a screw hole at a side surface thereof for mounting the automatic cleaning device 100. Yaw brake 200 may have threaded holes on both sides, and automatic cleaning device 100 may be selectively installed on one or both sides depending on the actual situation on site.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the invention. Terms such as "part," "member" and the like as used herein can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like as used herein may refer to one component being directly attached to another component or to one component being attached to another component through an intermediary. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. In addition, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An automatic cleaning device of wind turbine generator system driftage brake disc, characterized by comprising:
The connecting assembly comprises a connecting plate, a supporting rod and a spring, wherein the connecting plate is fixedly connected to the side face of the yaw brake, one end of the supporting rod is pivotally connected with the connecting plate, one end of the spring is connected with the connecting plate, and the other end of the spring is connected with the supporting rod;
The driving assembly comprises a driving wheel and a driving shaft, the driving wheel is fixedly nested to the driving shaft, the driving shaft is rotationally connected with the other end of the supporting rod, and the driving wheel is pressed against the inner side surface of the yaw brake disc under the action of the elasticity of the spring;
The cleaning assembly comprises a disc body and a cleaning brush attached to the lower end face of the disc body, and a through hole for the driving shaft to pass through is formed in the center of the disc body, so that the cleaning assembly is fixedly connected with the driving assembly along the rotating direction.
2. The automatic cleaning device according to claim 1, wherein the connection plate includes first and second connection plates connected to upper and lower caliper bodies of the yaw brake, respectively, the support bar includes first and second support bars pivotally connected to the first and second connection plates, respectively, the spring includes first springs connected to the first and first support bars at both ends thereof, respectively, and second springs connected to the second connection plate and the second support bar at both ends thereof, respectively, and both ends of the drive shaft are rotatably connected to the first and second support bars, respectively.
3. The automatic cleaning device according to claim 1, further comprising an adjusting nut provided on an upper end surface of the disc body and screwed with the driving shaft, and a compression spring provided to be fitted around the driving shaft and located between a lower end surface of the disc body and an upper end surface of the driving wheel.
4. The automatic cleaning apparatus of claim 1, wherein the spring is an extension spring.
5. The automatic cleaning device of claim 4, wherein an included angle between a center line of the spring and a center line of the support rod is between 28 ° and 35 °.
6. The automatic cleaning device according to claim 1, wherein the through hole of the disc body is a hexagonal hole, and the driving shaft is provided with a hexagonal prism-shaped section matched with the hexagonal hole.
7. The automatic cleaning apparatus according to claim 1, wherein the driving shaft and the supporting rod are connected to each other by a ball bearing.
8. The automatic cleaning apparatus according to claim 1, wherein the drive shaft is provided with a key groove and is in driving connection with the drive wheel by means of a key.
9. The automatic cleaning apparatus according to any one of claims 1 to 8, wherein the drive wheel is wrapped with a layer of an elastic material.
10. A wind power plant, characterized in that it comprises an automatic cleaning device according to any of claims 1 to 9.
CN202410174638.0A 2024-02-07 2024-02-07 Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator Pending CN117967720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410174638.0A CN117967720A (en) 2024-02-07 2024-02-07 Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410174638.0A CN117967720A (en) 2024-02-07 2024-02-07 Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator

Publications (1)

Publication Number Publication Date
CN117967720A true CN117967720A (en) 2024-05-03

Family

ID=90845886

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410174638.0A Pending CN117967720A (en) 2024-02-07 2024-02-07 Automatic cleaning device for yaw brake disc of wind turbine generator and wind turbine generator

Country Status (1)

Country Link
CN (1) CN117967720A (en)

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