CN205331290U - Wind generating set brake disc of yawing - Google Patents
Wind generating set brake disc of yawing Download PDFInfo
- Publication number
- CN205331290U CN205331290U CN201620088037.9U CN201620088037U CN205331290U CN 205331290 U CN205331290 U CN 205331290U CN 201620088037 U CN201620088037 U CN 201620088037U CN 205331290 U CN205331290 U CN 205331290U
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- brake disc
- crumb loading
- generating set
- wind generating
- brake
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- 239000000203 mixture Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 24
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000001149 thermolysis Methods 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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- Braking Arrangements (AREA)
Abstract
The utility model provides a wind generating set brake disc of yawing. Wind generating set brake disc of yawing includes fixed connection's first brake disc and second brake disc, has the wind channel between first brake disc and the second brake disc, and all is provided with at least a set of collection bits structure on first brake disc and the second brake disc. This wind generating set brake disc of yawing can realize the collection to foreign matters such as metal fillings and greasy dirts through setting up the wind channel between two brake discs and set up album a bits structure respectively on two brake discs effectively, and the reduction foreign matter is to the influence of brake disc, and then has prolonged the life of brake disc, has practiced thrift service equipment's cost.
Description
Technical field
This utility model relates to wind power generating set technology, particularly relates to wind generating set yaw brake disc。
Background technology
Current wind generating set is provided with active yawing ability for catching maximal wind-energy, and its yaw system can be sent yaw command by master control system when Wind turbines deviates wind direction, and yaw motor action is thus driving cabin to rotate around pylon axle, it is achieved to wind。
In order to ensure that set steady is gone off course, Wind turbines is provided with yaw system brake disc。During to wind, the brake block of yaw system and brake disc friction, frictional force between the two provides certain damping in the process of set yaw, makes yawing velocity stable a fixed value；When driftage stops, frictional force can make cabin be locked in wind angle, it is achieved braking action。
The material of braking dish, performance, surface roughness, metal fillings and greasy dirt etc. are had very big sensitivity by the phase mutual friction of Yaw brake block and brake disc, and these factors often become and cause the driftage factors of instability。When driftage frequent movement or to after certain time limit, brake block and brake disc wear and tear bigger generation metal fillings, affects frictional behaviour, produce to affect on yaw stability and safety, be easily generated yaw oscillation and noise。The operation of electronic devices and components in cabin can be had a huge impact by this so that some electronic devices and components wrong report fault, owing to this type of fault trackability is not strong, increases the difficulty of solution problem。Meanwhile, the increase of the brake block degree of wear also can shorten the service life of brake block and brake disc, increases maintenance time and maintenance cost。
Utility model content
This utility model provides a kind of wind generating set yaw brake disc, with the problem solving driftage instability, yaw oscillation。
For reaching above-mentioned purpose, embodiment of the present utility model provides a kind of wind generating set yaw brake disc, wind generating set yaw brake disc includes first brake dish and second brake disc of fixing connection, there is between first brake dish and the second brake disc air channel, and first brake dish and the second brake disc are provided with least one set crumb loading structure。
Further, first brake dish and the second brake disc equal diameters and be arranged concentrically。
Further, the side away from each other of first brake dish and the second brake disc is provided with crumb loading structure。
Further, the crumb loading structure on first brake dish differs 180 degree with the crumb loading structure on the second brake disc along the circumferential of wind generating set yaw brake disc。
Further, crumb loading structure is groove, and the degree of depth of groove is less than or equal to 1/5th of its place brake disc thickness。
Further, crumb loading structure is crumb loading hole, and the brake disc at its place is run through in crumb loading hole, and connects with air channel。
Further, crumb loading structure includes multiple crumb loading hole, multiple crumb loading holes one crumb loading hole group of composition。
Further, the crumb loading hole in the group of crumb loading hole sets gradually along the diametric(al) of wind generating set yaw brake disc。
Further, the crumb loading hole in the group of crumb loading hole sets gradually along the diametric(al) of deviation wind generating set yaw brake disc。
Wind generating set yaw brake disc according to this utility model embodiment, by arranging air channel between two brake discs and arranging crumb loading structure on two brake discs respectively, achieve the collection to the foreign body such as metal fillings and greasy dirt, decrease the foreign body impact on brake disc, thus reducing the generation of yaw oscillation and noise。Meanwhile, also enhance frictional behaviour, and then add the service life of yaw brake disc, saved cost, decreased maintenance time。
Accompanying drawing explanation
More of the present utility model specific embodiments are hereinafter described in detail with reference to the accompanying drawings by way of example, and not by way of limitation。Accompanying drawing labelling identical in accompanying drawing denotes same or similar parts or part。It should be appreciated by those skilled in the art that what these accompanying drawings were not necessarily drawn to scale。In accompanying drawing:
Fig. 1 is the schematic diagram of the wind generating set yaw brake disc of this utility model embodiment；
Fig. 2 is the groove schematic diagram being radially arranged along wind generating set yaw brake disc of this utility model embodiment；
Fig. 3 is the groove schematic diagram being radially arranged along deviation wind generating set yaw brake disc of this utility model embodiment；
Fig. 4 is the crumb loading hole schematic diagram being radially arranged along wind generating set yaw brake disc of this utility model embodiment；
Fig. 5 is the crumb loading hole schematic diagram being radially arranged along deviation wind generating set yaw brake disc of this utility model embodiment。
Description of reference numerals:
1, first brake dish；2, the second brake disc；3, air channel；4, groove；5, crumb loading hole。
Detailed description of the invention
Below in conjunction with accompanying drawing, the wind generating set yaw brake disc of this utility model embodiment is described in detail。
In conjunction with referring to figs. 1 to Fig. 5, the wind generating set yaw brake disc that this utility model embodiment provides includes first brake dish 1 and second brake disc 2 of fixing connection, there is between first brake dish 1 and the second brake disc 2 air channel 3, and first brake dish 1 and the second brake disc 2 are provided with least one set crumb loading structure。
Between first brake dish 1 and the second brake disc 2, air channel 3 is set, say, that be hollow between first brake dish 1 and the second brake disc 2, but the size in air channel 3 is unsuitable excessive, in order to avoid affecting the bulk strength of brake disc。When generally Wind turbines is to wind, the driftage time is shorter, but when Wind turbines unties the mooring rope, the driftage time is longer, this structure not only ensure that the thermal diffusivity of yaw brake disc, strengthens radiating efficiency, improves brake disc heat resistanceheat resistant decline performance, brake disc inner peripheral surface offers the through hole connected with air channel 3, thus can utilize brake disc produced centrifugal force air-breathing help brake disc heat radiation when rotating。Respectively crumb loading structure is set on first brake dish 1 and the second brake disc 2, it is achieved that the collection to the foreign body such as metal fillings and greasy dirt, decreases the foreign body impact on brake disc, thus reducing the generation of yaw oscillation and noise。
In general, wind generating set yaw brake disc is loop configuration, and during driftage, caliper drives brake block thereon so that it is realize controlling the function of yawing velocity with brake disc friction。In order to the installation versatility making brake disc is better, caliper is better with the fiting effect of brake disc, the equal diameters of first brake dish 1 and the second brake disc 2 and being arranged concentrically。So also ensure that this wind generating set yaw brake disc is not by the restriction of installation direction, it is possible to meet various mounting means。
In this utility model embodiment, the side away from each other of first brake dish 1 and the second brake disc 2 is provided with crumb loading structure, say, that crumb loading structure is separately positioned on first brake dish 1 and the second brake disc 2 is positioned at the surface in outside。Because caliper is clamped in the upper and lower surface of brake disc, so easily producing metal fillings at the lower surface of the upper surface of first brake dish 1 and the second brake disc 2, simultaneously, owing to the upper surface of first brake dish 1 and the lower surface of the second brake disc 2 are work surfaces, so the metal fillings on its surface and greasy dirt produce vibration and noise etc. when can make to go off course, therefore, the working surface (i.e. the side away from each other of first brake dish 1 and the second brake disc 2) that crumb loading structure is arranged on first brake dish 1 and the second brake disc 2 ensure that the metal fillings of generation and the greasy dirt of contamination can enter in crumb loading structure, will not therefore affect the flatness on brake disc surface, avoid the impact on braking quality of metal fillings or greasy dirt, it also avoid brake vibration and the generation of brake noise。The more important thing is, eliminate above impact, also just efficiently avoid the impact that electronic devices and components in cabin are caused due to brake vibration, it is to avoid electronic devices and components wrong report faults。
In a preferred embodiment, the crumb loading structure on first brake dish 1 differs 180 degree with the crumb loading structure on the second brake disc 2 along the circumferential of wind generating set yaw brake disc。Such as, when observing this brake disc from the surface of this brake disc, arrange to the left if located in the crumb loading structure level on first brake dish 1, then the crumb loading structure being positioned on the second brake disc 2 is exactly that level is arranged to the right。In other words, its projection behind its center of circle clockwise or counterclockwise 180 degree of the crumb loading structure on first brake dish 1 overlaps with the crumb loading structure on the second brake disc 2。The crumb loading structure being so disposed to prevent being positioned on first brake dish 1 He be positioned on the second brake disc 2 is positioned at homonymy, and this structural strength in this place of brake disc is reduced。In some alternate embodiment, crumb loading structure on first brake dish 1 can also differ 90 degree or 120 degree along the circumference of wind generating set yaw brake disc with the crumb loading structure on the second brake disc 2, as long as avoiding the crumb loading structure hypotelorism being positioned on first brake dish 1 and the second brake disc 2。If ensure that, the structural strength of brake disc meets demand, then the crumb loading structure on first brake dish 1 and the second brake disc 2 can also project and overlap。
As shown in Figures 2 and 3, in embodiment of the present utility model, this crumb loading structure is the groove 4 being separately positioned on first brake dish 1 and the second brake disc 2, and the degree of depth of this groove 4 is less than or equal to 1/5th of its place brake disc thickness。Why the degree of depth of groove 4 is set in this scope, it is to ensure that this groove 4 can meet the collection to metal fillings and greasy dirt, without because the degree of depth of groove 4 is excessive, the intensity of brake disc self being produced impact, in like manner, the width of groove 4 is also unsuitable excessive。Simultaneously, discharge for the ease of chip, this groove 4 can the outer peripheral face of brake disc (first brake dish 1 or the second brake disc 2) at its place through or inner peripheral surface or inner and outer circumferential surfaces all through, so the metal fillings that ensure that in groove 4 is set and greasy dirt can be expelled to outside brake disc in time, contribute to long-time operation continuously。The bottom surface of groove 4 is circular or rectangle etc., it is therefore preferable to circular, so can facilitate the flowing in this groove 4 of metal fillings or greasy dirt further, it is also possible to avoid stress to concentrate。The width of groove 4 can keep unanimously also can having change width, and its structure can be together or twice combination arranged side by side, can be linear type or shaped form, can extend along the diametric(al) of brake disc or the diametric(al) extension of deviation brake disc。
In some alternate embodiment, brake disc is alternatively single layer structure, and lower surface carries out slot treatment respectively thereon, thus realizing the collection to the foreign body such as metal fillings or greasy dirt。The degree of depth of groove 4 is less than or equal to 1/5th of its place brake disc thickness, and the brake disc to ensure fluting has good structural strength。Equally, groove 4 can be one or multi-channel combination, it is possible to for linear structure or curvilinear structures, can radially extending or deviateing radially extending of brake disc along brake disc。Meanwhile, it is opened in the groove 4 of brake disc upper and lower surface respectively and also differs 180 degree along the circumference of wind generating set yaw brake disc。Certainly, groove 4 also can differ 90 degree or 120 degree along the circumference of wind generating set yaw brake disc, as long as avoiding laying respectively at groove 4 hypotelorism of brake disc upper and lower surface。Brake disc is offered groove 4, the collection for the foreign body such as metal fillings or greasy dirt can be effectively realized, it is ensured that the surface smoothness of brake disc and the stability of driftage, thus more effectively strengthening braking effect。
As shown in Figure 4 and Figure 5, in other embodiments of the present utility model, this crumb loading structure is the crumb loading hole 5 being separately positioned on first brake dish 1 and the second brake disc 2。This crumb loading hole 5 could be arranged to blind hole, so can ensure that the metal fillings or greasy dirt produced on brake disc can be collected in this crumb loading hole 5, decrease the impact on braking quality of metal fillings or greasy dirt, enhance the performance of brake。Additionally, this crumb loading hole 5 may be alternatively provided as the brake disc running through its place the through hole connected with air channel 3, such setting not only ensure that this crumb loading hole 5 may collect in metal fillings and greasy dirt produced by brake disc upper and lower surface, and metal fillings or greasy dirt can be made by crumb loading hole 5 to be flowed into the air channel 3 being positioned within brake disc, it is discharged to outside brake disc again through the through hole being opened on brake disc inner headed face, ensure that good braking quality, the more important thing is, this crumb loading hole 5 also has thermolysis, it is possible to reduce heat declines on the impact braked。In a preferred embodiment, crumb loading structure is the crumb loading hole group being made up of multiple crumb loading holes 5, so can be easy to metal fillings or greasy dirt further and flow in air channel 3 from crumb loading hole 5, it is also possible to increase the heat dispersion of brake disc further。
Certainly, the crumb loading hole 5 in a crumb loading hole group can set gradually along the diametric(al) of wind generating set yaw brake disc, it is also possible to the diametric(al) along deviation wind generating set yaw brake disc sets gradually。Meanwhile, in this crumb loading hole group, the diameter in crumb loading hole 5 can be all equal, it is possible to unequal。Such as, what can be arranged by its diameter near the crumb loading hole 5 of brake disc inner ring is relatively large, because caliper is the inner ring being clamped in brake disc, so easily produce metal fillings or contamination greasy dirt in the position near inner ring, the diameter in crumb loading hole 5 near brake disc outer ring can arrange relatively small, thus ensureing the intensity of brake disc。
In some alternate embodiment, brake disc is alternatively single layer structure, carries out punching process on its surface, thus more effectively realizing heat radiation, reduces the hot impact on braking quality that declines。It is opened in the crumb loading hole 5 on brake disc and can set gradually formation crumb loading hole group along the diametric(al) of brake disc, it is possible to the diametric(al) along deviation brake disc sets gradually formation crumb loading hole group。Meanwhile, it is opened in crumb loading hole 5 on brake disc and can differ 180 degree along the circumference of wind generating set yaw brake disc, it is possible to differ 90 degree or 120 degree。Certainly, the diameter in the crumb loading hole 5 in the group of crumb loading hole can be equal, it is possible to not etc., meanwhile, and the shape in crumb loading hole 5 can also be square or rectangular。Preferably, it is slightly larger that the diameter in the crumb loading hole 5 of close brake disc inner ring can be arranged, away from the diameter in the crumb loading hole 5 of brake disc outer ring can arrange slightly smaller because caliper is the inner ring being clamped in brake disc, so easily producing metal fillings or contamination greasy dirt near the position of inner ring。Brake disc arranges crumb loading hole 5 be possible not only to realize heat radiation, reduce the hot impact on braking quality that declines, it is also possible to make generation be discharged by crumb loading hole 5 at metal fillings or the greasy dirt of brake disc upper surface。
In other alternate embodiment, it is possible to adopt the mode that groove 4 matches with crumb loading hole 5 on brake disc, to reach to collect metal fillings the purpose with heat radiation simultaneously, the weight of brake disc can also be alleviated simultaneously。
Wind generating set yaw brake disc of the present utility model has the effect that
Owing to being provided with air channel between first brake dish and the second brake disc, therefore, strengthen radiating efficiency, it is to avoid heat assembly, improve brake heat resistanceheat resistant decline performance。Meanwhile, first brake dish and the second brake disc arrange crumb loading structure, it is possible to collect the foreign bodies such as the metal fillings produced and greasy dirt that wear and tear, it is ensured that the stability of driftage and good frictional behaviour。Simultaneously, it is possible to efficiently reduce the vibration and noise that produce in During yaw, and then extend service life of yaw brake disc, saved maintenance cost, decreased maintenance time。Further, this wind generating set yaw brake disc can be effectively prevented from the impact because cabin electronic devices and components are produced by the vibration in During yaw and noise。Also avoid electronic devices and components and therefore report fault by mistake。
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model。Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims。
Claims (9)
1. a wind generating set yaw brake disc, it is characterized in that, described wind generating set yaw brake disc includes first brake dish (1) and second brake disc (2) of fixing connection, there is between described first brake dish (1) and described second brake disc (2) air channel (3), and described first brake dish (1) and described second brake disc (2) are provided with least one set crumb loading structure。
2. wind generating set yaw brake disc according to claim 1, it is characterised in that described first brake dish (1) and described second brake disc (2) equal diameters and be arranged concentrically。
3. wind generating set yaw brake disc according to claim 1, it is characterised in that the side away from each other of described first brake dish (1) and described second brake disc (2) is provided with described crumb loading structure。
4. wind generating set yaw brake disc according to claim 3, it is characterized in that, the described crumb loading structure on described first brake dish (1) differs 180 degree with the described crumb loading structure on described second brake disc (2) along the circumferential of wind generating set yaw brake disc。
5. the wind generating set yaw brake disc according to any one of claim 1-4, it is characterised in that described crumb loading structure is groove (4), and the degree of depth of described groove (4) is less than or equal to 1/5th of its place brake disc thickness。
6. the wind generating set yaw brake disc according to any one of claim 1-4, it is characterized in that, described crumb loading structure is crumb loading hole (5), and described crumb loading hole (5) runs through the brake disc at its place, and connects with described air channel (3)。
7. wind generating set yaw brake disc according to claim 6, it is characterised in that described crumb loading structure includes multiple described crumb loading hole (5), the plurality of crumb loading hole (5) one crumb loading hole group of composition。
8. wind generating set yaw brake disc according to claim 7, it is characterised in that the described crumb loading hole (5) in the group of described crumb loading hole sets gradually along the diametric(al) of described wind generating set yaw brake disc。
9. wind generating set yaw brake disc according to claim 7, it is characterised in that the described crumb loading hole (5) in the group of described crumb loading hole sets gradually along the diametric(al) deviateing described wind generating set yaw brake disc。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620088037.9U CN205331290U (en) | 2016-01-28 | 2016-01-28 | Wind generating set brake disc of yawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620088037.9U CN205331290U (en) | 2016-01-28 | 2016-01-28 | Wind generating set brake disc of yawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205331290U true CN205331290U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620088037.9U Active CN205331290U (en) | 2016-01-28 | 2016-01-28 | Wind generating set brake disc of yawing |
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| Country | Link |
|---|---|
| CN (1) | CN205331290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368901A (en) * | 2016-11-18 | 2017-02-01 | 湘电风能有限公司 | Wind generating set yawing device and wind generating set |
-
2016
- 2016-01-28 CN CN201620088037.9U patent/CN205331290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368901A (en) * | 2016-11-18 | 2017-02-01 | 湘电风能有限公司 | Wind generating set yawing device and wind generating set |
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