CN216111104U - Yaw brake disc of wind generating set and wind generating set - Google Patents
Yaw brake disc of wind generating set and wind generating set Download PDFInfo
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- CN216111104U CN216111104U CN202122050684.4U CN202122050684U CN216111104U CN 216111104 U CN216111104 U CN 216111104U CN 202122050684 U CN202122050684 U CN 202122050684U CN 216111104 U CN216111104 U CN 216111104U
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- lubricating grease
- brake disc
- generating set
- wind generating
- yaw brake
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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
Abstract
The utility model discloses a yaw brake disc of a wind generating set and the wind generating set, wherein the yaw brake disc comprises: the lubricating grease receiving disc comprises a working surface, a transition connecting surface, a flange surface and a lubricating grease receiving disc; the transitional connecting surface is provided with a plurality of oil discharge holes, and the oil discharge holes penetrate through the transitional connecting surface along the vertical direction; the bottom of the lubricating grease receiving disc is hermetically connected with the upper surface of the transition connecting surface, and the top of the lubricating grease receiving disc extends to the upper part of the circle center of the working surface; the included angle between the longitudinal section of the lubricating grease receiving disc and the plane of the working surface is a preset angle value. Through connecting the face top at the transition and setting up the lubrication and connect the fat dish, effectively avoid driftage bearing lubricating grease to reveal and cause the pollution to driftage brake disc working face, make the lubricating grease discharge that driftage bearing revealed more thoroughly effective, further reduce the risk that driftage brake disc working face is polluted by the grease.
Description
Technical Field
The utility model relates to the field of wind power equipment manufacturing, in particular to a yaw brake disc of a wind generating set and the wind generating set.
Background
The yaw system is an essential important component of the wind generating set and mainly comprises a yaw drive, a yaw gear box, a yaw bearing, a yaw brake disc, a yaw brake, a hydraulic station, a yaw bearing lubricating system, an anemorumbometer and other components.
Due to the change of the wind direction, the fan deflects along with the wind direction, and the yaw system ensures that the wind generating set stably rotates and accurately positions and aligns the wind direction under the yaw driving action by adjusting the pressure of the yaw brake to the yaw brake disc.
Because the fan drifts and mainly relies on the relative rotation of the outer lane of yaw bearing and yaw gear box and the drive power that the yaw bearing flank of tooth meshing produced, consequently for guaranteeing fan long-term steady operation, need lubricate yaw bearing raceway, scribble lubricating grease to yaw bearing outer lane flank of tooth simultaneously, do not take place dry friction when guaranteeing yaw gear box and yaw bearing flank of tooth meshing, avoid causing the destruction to the flank of tooth. Due to the defects of the existing bearing sealing technology, in the running process of a fan, lubricating grease in a bearing raceway inevitably leaks to a certain extent, and once the leaked lubricating grease flows into the working surface of a yaw brake disc, yaw abnormal sound or instability can be caused. On the other hand, the lubricating grease coated on the tooth surface of the outer ring of the yaw bearing is exposed in the external environment, and is easy to drip when the environmental temperature is high, the dripping lubricating grease can pollute the joint surface of the outer ring of the yaw bearing and the yaw brake disc, the friction coefficient between the joint surfaces is influenced, the bolt connection strength is further influenced, and even the bolt can be broken.
As shown in fig. 1 and 2, a yaw brake disc of a wind generating set generally mainly comprises three parts, namely a working face, a transition connecting face and a flange face. The working face is the face that friction played the braking action with the brake disc that drifts away promptly, and flange face design has a locating hole and bolt mounting hole that is used for the assembly to use, its upper and lower surface respectively with driftage bearing inner race and tower section of thick bamboo top flange joint, and the transition is connected the face and is connected the face for being connected between working face and the flange face, and partial design scheme designs the oil extraction hole that is used for discharging the grease on the transition is connected the face, and is not of uniform size. Generally speaking, the design has the difference in height between face and the working surface upper surface is connected in the transition for the lubricating grease that the driftage bearing was revealed drips and is connected the face in the transition, and makes it separate with the working surface, and further from oil drain hole exhaust pollution, in order to prevent that the working surface from receiving the grease pollution, produces abnormal sound or unstability when leading to fan driftage.
The prior art solution, while considering the need for grease removal, has the risk of incomplete grease removal. When a large amount of lubricating grease leaks from the yaw bearing, or when the wind direction changes frequently and the yaw system acts for multiple times, the grease remained on the transitional connection surface is likely to pollute the working surface; meanwhile, considering the viscosity of the lubricating grease, because the transition connecting surface and the lower surface of the working surface are designed to be the same plane, the grease discharged through the oil discharge hole can permeate into the lower surface of the working surface along the transition connecting surface, so that the pollution to the working surface is caused. In addition, the flange surface is usually designed to be a plane in the prior art, when the environmental temperature is high, lubricating grease applied to the tooth surface of the outer ring of the yaw bearing is prone to dripping, the dripping lubricating grease can penetrate into the space between the outer ring of the yaw bearing and the flange surface of the yaw brake disc along the side wall of the outer ring of the bearing to cause pollution, the friction coefficient between joint surfaces is affected, if the sealing ring is not cleaned in time, the bolt connection strength can be further affected, and even the bolts can be broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a yaw brake disc of a wind generating set and the wind generating set.
In order to solve the above technical problem, a first aspect of an embodiment of the present invention provides a yaw brake disc of a wind turbine generator system, including: the lubricating grease receiving disc comprises a working surface, a transition connecting surface, a flange surface and a lubricating grease receiving disc;
the transitional connecting surface is provided with a plurality of oil discharge holes, and the oil discharge holes penetrate through the transitional connecting surface along the vertical direction;
the bottom of the lubricating grease receiving disc is hermetically connected with the upper surface of the transition connecting surface, and the top of the lubricating grease receiving disc extends to the position above the circle center of the working surface;
and the included angle between the longitudinal section of the lubricating grease receiving disc and the plane of the working surface is a preset angle value.
Furthermore, a first step is arranged at one end, facing the working surface, of the lower surface of the transitional connecting surface;
the joint of the lower surface of the transitional connecting surface and the first step is higher than the joint of the lower surface of the working surface and the first step in the vertical direction.
Further, the lubricating grease receiving disc is connected with the upper surface of the transition connecting surface in a sealing mode through a sealing material.
Furthermore, a sunken second step is arranged on the outer side edge of the upper surface of the flange surface;
the center position of the upper surface of the flange surface is higher than the position of the outer side edge thereof in the vertical direction.
Further, the length of the second step along the radial direction of the flange surface is a preset proportion value of the total radial length of the flange surface.
Furthermore, the transitional connecting surface is provided with a plurality of mounting threaded holes;
the bottom of the lubricating grease receiving plate is in threaded connection with the transitional connection surface through the plurality of installation threaded holes.
Furthermore, a plurality of installation screw hole with a plurality of oil drain hole interval sets up.
Further, the diameter of the oil drain hole is larger than or equal to the diameter of a bolt maintenance tool.
Accordingly, a second aspect of an embodiment of the utility model provides a wind generating set, which comprises any one of the yaw brake discs of the wind generating set.
The technical scheme of the embodiment of the utility model has the following beneficial technical effects:
by arranging the lubricating grease receiving disc above the transition connecting surface, the working face of the yaw brake disc is effectively prevented from being polluted by the leakage of the lubricating grease of the yaw bearing, the lubricating grease leaked by the yaw bearing is discharged more thoroughly and effectively, and the risk of the pollution of the working face of the yaw brake disc by the grease is further reduced; the lower surface of the transitional connecting surface is additionally provided with the first step, so that the discharged lubricating grease is effectively prevented from polluting the lower surface of the working surface of the yawing brake disc; by additionally arranging the sunken second step at the outer side edge of the upper surface of the flange surface, the pollution to the flange surface of the yaw brake disc caused by the dropping of lubricating grease coated on the outer ring tooth surface of the yaw bearing is effectively avoided.
Drawings
FIG. 1 is a top view of a prior art yaw brake disc;
FIG. 2 is a schematic cross-sectional view of a prior art yaw brake disc;
FIG. 3 is a schematic perspective view of a yaw brake disc without a grease receiving disc installed thereon according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a yaw brake disc without a grease pan installed in accordance with an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a yaw brake disc with a grease receiving disc installed thereon according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a yaw brake disc with a grease pan installed thereon according to an embodiment of the present invention.
Reference numerals:
1. working face, 2, transition connection face, 3, oil drain hole, 4, flange face, 5, installation screw hole, 6, first step, 7, second step, 8, lubricated fat dish that connects.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 3, 4, 5 and 6, a first aspect of an embodiment of the present invention provides a yaw brake disc of a wind turbine generator system, including: the lubricating grease receiving plate comprises a working surface 1, a transition connecting surface 2, a flange surface 4 and a lubricating grease receiving plate 8. The transitional connecting surface 2 is provided with a plurality of oil discharge holes 3, and the oil discharge holes 3 penetrate through the transitional connecting surface 2 along the vertical direction; the bottom of the lubricating grease receiving disc 8 is hermetically connected with the upper surface of the transition connecting surface 2, and the top of the lubricating grease receiving disc extends to the upper part of the circle center of the working surface 1; the included angle between the longitudinal section of the lubricating grease receiving disc 8 and the plane of the working surface 1 is a preset angle value.
Further, a first step 6 is arranged at one end of the lower surface of the transitional connecting surface 2 facing the working surface 1; the joint of the lower surface of the transition joint face 2 and the first step 6 is vertically higher than the joint of the lower surface of the working face 1 and the first step 6.
The first step 6 is additionally arranged on the lower surfaces of the transition connecting surface 2 and the working surface 1, so that the lower surface of the working surface 1 can be effectively prevented from being polluted by grease discharged from the oil discharge hole 3.
Further, the lubricating grease receiving disc 8 is connected with the upper surface of the transition connecting surface 2 in a sealing mode through a sealing material.
Specifically, a gap between the lubricating grease receiving disc 8 and the transition connecting surface 2 is sealed by sealant, so that grease cannot enter a joint surface of the lubricating grease receiving disc and the transition connecting surface.
Further, the outer edge of the upper surface of the flange surface 4 is provided with a sunken second step 7; the upper surface center position of the flange face 4 is higher than the outer edge position thereof in the vertical direction.
A sunken second step 7 is additionally arranged on the outer ring of the flange face 4 to form a shaft shoulder, so that lubricating grease coated on the tooth surface of the outer ring of the yaw bearing cannot enter the joint face of the flange face 4 and the outer ring of the yaw bearing when dripping, and the pollution of the lubricating grease on the flange face 4 is effectively avoided.
Further, the length of the second step 7 along the radial direction of the flange surface 4 is a preset proportional value of the total radial length of the flange surface 4.
Furthermore, the transitional connecting surface 2 is provided with a plurality of mounting threaded holes 5; the bottom of the lubricating grease receiving disc 8 is in threaded connection with the transition connecting surface 2 through a plurality of mounting threaded holes 5.
Further, a plurality of installation screw hole 5 sets up with a plurality of oil drain hole 3 interval.
Further, the diameter of the oil drain hole 3 is larger than or equal to the bolt maintenance tool diameter.
Increase 3 apertures in oil drain hole, the needs that later stage driftage bearing construction bolt maintained are considered, 3 apertures in oil drain hole should not be less than bolt maintenance instrument diameter, 3 apertures in oilhole are as big as possible under the prerequisite that satisfies driftage brake disc intensity check, and quantity is as much as possible to effectively avoid the lubricating grease that driftage bearing revealed to the pollution of driftage brake disc working face upper surface, still make things convenient for later stage bolt dimension to protect and subtract the weight and fall originally simultaneously.
The lubricating grease receiving disc 8 is arranged above the transition connecting surface 2 of the yaw brake disc of the wind generating set, so that the working face 1 of the yaw brake disc is effectively prevented from being polluted by lubricating grease leaked from a yaw bearing, the lubricating grease leaked from the yaw bearing is discharged more thoroughly and effectively, and the risk of the working face 1 of the yaw brake disc being polluted by the lubricating grease is further reduced; the lower surface of the transitional connecting surface 2 is additionally provided with the first step 6, so that the discharged lubricating grease is effectively prevented from polluting the lower surface of the working surface 1 of the yaw brake disc; by additionally arranging the sunken second step 7 at the outer side edge of the upper surface of the flange surface 4, the pollution to the flange surface 4 of the yaw brake disc caused by the dropping of lubricating grease coated on the outer ring tooth surface of the yaw bearing is effectively avoided.
Accordingly, a second aspect of an embodiment of the utility model provides a wind generating set, comprising any one of the above described wind generating set yaw brake discs.
The embodiment of the utility model aims to protect a yaw brake disc of a wind generating set and the wind generating set, wherein the yaw brake disc comprises: the lubricating grease receiving disc comprises a working surface, a transition connecting surface, a flange surface and a lubricating grease receiving disc; the transitional connecting surface is provided with a plurality of oil discharge holes, and the oil discharge holes penetrate through the transitional connecting surface along the vertical direction; the bottom of the lubricating grease receiving disc is hermetically connected with the upper surface of the transition connecting surface, and the top of the lubricating grease receiving disc extends to the upper part of the circle center of the working surface; the included angle between the longitudinal section of the lubricating grease receiving disc and the plane of the working surface is a preset angle value. The technical scheme has the following effects:
through connecting the face top at the transition and setting up the lubrication and connect the fat dish, effectively avoid driftage bearing lubricating grease to reveal and cause the pollution to driftage brake disc working face, make the lubricating grease discharge that driftage bearing revealed more thoroughly effective, further reduce the risk that driftage brake disc working face is polluted by the grease.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides a wind generating set driftage brake disc which characterized in that includes: the lubricating grease receiving plate comprises a working surface (1), a transition connecting surface (2), a flange surface (4) and a lubricating grease receiving plate (8);
the transitional connecting surface (2) is provided with a plurality of oil discharge holes (3), and the oil discharge holes (3) penetrate through the transitional connecting surface (2) along the vertical direction;
the bottom of the lubricating grease receiving disc (8) is hermetically connected with the upper surface of the transition connecting surface (2), and the top of the lubricating grease receiving disc extends to the position above the circle center of the working surface (1);
the included angle between the longitudinal section of the lubricating grease receiving disc (8) and the plane of the working surface (1) is a preset angle value.
2. The yaw brake disc of a wind generating set according to claim 1,
a first step (6) is arranged at one end, facing the working surface (1), of the lower surface of the transitional connecting surface (2);
the lower surface of the transition connecting surface (2) is connected with the first step (6) at a position which is higher than the joint of the lower surface of the working surface (1) and the first step (6) in the vertical direction.
3. The yaw brake disc of a wind generating set according to claim 1,
and the lubricating grease receiving disc (8) is connected with the upper surface of the transition connecting surface (2) in a sealing manner through a sealing material.
4. The yaw brake disc of a wind generating set according to claim 1,
the outer side edge of the upper surface of the flange surface (4) is provided with a sunken second step (7);
the center position of the upper surface of the flange surface (4) is higher than the position of the outer edge of the flange surface in the vertical direction.
5. The wind generating set yaw brake disc of claim 4,
the length of the second step (7) along the radial direction of the flange face (4) is a preset proportion value of the total radial length of the flange face (4).
6. The yaw brake disc of a wind generating set according to claim 1,
the transitional connecting surface (2) is provided with a plurality of mounting threaded holes (5);
the bottom of the lubricating grease receiving disc (8) is in threaded connection with the transition connecting surface (2) through the mounting threaded holes (5).
7. The wind generating set yaw brake disc of claim 6,
the installation threaded holes and the oil discharge holes (3) are arranged at intervals.
8. The yaw brake disc of a wind generating set according to claim 1,
the diameter of the oil drain hole (3) is larger than or equal to the diameter of a bolt maintenance tool.
9. A wind park comprising a wind park yaw brake disc according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050684.4U CN216111104U (en) | 2021-08-26 | 2021-08-26 | Yaw brake disc of wind generating set and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050684.4U CN216111104U (en) | 2021-08-26 | 2021-08-26 | Yaw brake disc of wind generating set and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111104U true CN216111104U (en) | 2022-03-22 |
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ID=80729212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122050684.4U Active CN216111104U (en) | 2021-08-26 | 2021-08-26 | Yaw brake disc of wind generating set and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111104U (en) |
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2021
- 2021-08-26 CN CN202122050684.4U patent/CN216111104U/en active Active
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