CN207278419U - Yaw brake device, yaw system and wind power generating set - Google Patents
Yaw brake device, yaw system and wind power generating set Download PDFInfo
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- CN207278419U CN207278419U CN201721357658.3U CN201721357658U CN207278419U CN 207278419 U CN207278419 U CN 207278419U CN 201721357658 U CN201721357658 U CN 201721357658U CN 207278419 U CN207278419 U CN 207278419U
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- yaw
- reinforcer
- yaw brake
- fixed part
- brake device
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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
-
- 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
- Y02E10/728—Onshore wind turbines
Abstract
A kind of yaw brake device, yaw system and wind power generating set are the utility model is related to, yaw brake device includes yaw brake disc, is cyclic structure body, is included in the fixed part radially set in succession and braking parts of its own；Brake, contacts with the mantle friction of braking parts, with braking yaw brake disc；And reinforcer, it is stacked in the axial direction with fixed part.Yaw brake device, yaw system and the wind power generating set that the utility model embodiment provides, it can effectively reduce or avoid the introversion of yaw brake disc to deform, ensure the flatness of yaw brake disc, avoid it from being interfered with brake, then ensure position locking requirement and the normal operation of wind power generating set of impeller.
Description
Technical field
Technical field of wind power is the utility model is related to, more particularly to a kind of yaw brake device, yaw system and wind-force
Generating set.
Background technology
Wind-power electricity generation is a kind of clean regenerative resource, is increasingly paid attention to be subject to countries in the world.Due to the wind of wind field
Change to constantly, in order to efficiently utilize wind energy, when impeller operation of wind power generating set needs to be directed at wind direction all the time, is
This sets yaw system on tower barrel in wind power generating set top.Yaw system can be with the control system phase of wind power generating set
Mutually coordinate, yaw the impeller of wind power generating set, and then it all the time in state windward, wind energy can be made full use of, carried
The generating efficiency of high wind power generating set.Meanwhile when impeller is directed at wind direction, yaw system can also provide necessary coupling mechanism force
Square, to lock the position of impeller, ensures the safe operation of wind power generating set, therefore, yaw system be wind power generating set not
The part that can or lack.
When yaw system provides necessary locking torque, then need to use the yaw brake device of yaw system, yaw
Brake apparatus is connected between tower top flange and base of wind turbine generator set, to lock base of wind turbine generator set and tower
Relative position, and then lock the position of impeller.
Existing yaw brake device is since structure design is unreasonable, after causing on its installation to tower top flange, because of tower
The top flange of cylinder easily produces a certain amount of introversion deformation in welding process so that the yaw brake disc of yaw brake device holds
It is yielding, funnel-form is presented, flatness declines, easily interfered with brake, then have impact on yaw brake device just
Often work, can not ensure the position locking requirement and the safe operation of wind power generating set of impeller.
Therefore, there is an urgent need for a kind of new yaw brake device, yaw system and wind power generating set.
Utility model content
The utility model embodiment provides a kind of yaw brake device, yaw system and wind power generating set, yaw brake
Device can effectively reduce or avoid the introversion of yaw brake disc to deform, and ensure the flatness of yaw brake disc, avoid its with
Brake interferes, and then ensures position locking requirement and the normal operation of wind power generating set of impeller.
On the one hand, a kind of yaw brake device is proposed according to the utility model embodiment, including：Yaw brake disc, is
Cyclic structure body, is included in the fixed part radially set in succession and braking parts of its own；Brake, the surface with braking parts
CONTACT WITH FRICTION, with braking yaw brake disc；And reinforcer, it is stacked in the axial direction with fixed part.
According to the one side of the utility model embodiment, the shape of reinforcer and the shape of fixed part match, and are one
Overall ring-shaped structure body.
According to the one side of the utility model embodiment, reinforcer is an integral structure with fixed part.
According to the one side of the utility model embodiment, reinforcer is the ring-type being spliced by more than two sections segmental arcs
Structure.
According to the one side of the utility model embodiment, lightening hole and/or lightening grooves are offered on reinforcer.
According to the one side of the utility model embodiment, reinforcer is coaxially disposed with yaw brake disc.
According to the one side of the utility model embodiment, reinforcer on fixed part with offering connecting hole, connecting hole
Along the axially extending of yaw brake disc.
According to the one side of the utility model embodiment, reinforcer includes the top surface that is oppositely arranged and bottom surface, top surface with
Fixed part docks, and the flatness of top surface and/or bottom surface is 0~0.6mm.
The yaw brake device provided according to the utility model embodiment, including yaw brake disc, brake and reinforcer,
Yaw brake disc includes the fixed part that is distributed in succession along the radial direction of its own and braking parts, braking parts include the first braking surface and
Second braking surface, the brake application body of brake can be with the second braking surface frictions with the first braking surface CONTACT WITH FRICTION, lower lock body
Contact, with braking yaw brake disc, the reinforcer accordingly set can in the axial direction of yaw brake disc with yaw brake disc
Fixed part is stacked.Yaw brake device when in use, be coupled with tower flange and base of wind turbine generator set it
Between, due to being provided with reinforcer in yaw brake device so that rigidity and flange under the common cooperation of reinforcer and fixed part
Ratio of rigidity reduce, and then reduce or avoid yaw brake disc introversion deformation, ensure the flatness of yaw brake disc, make it
It will not be interfered with brake, then ensure position locking requirement and the normal operation of wind power generating set of impeller.
On the other hand, a kind of yaw system is proposed according to the utility model embodiment, including：Yaw revolving support portion
Part, including the inner ring being rotatably assorted and outer ring；Driving device, is connected with yaw revolving support component, to drive inner ring relatively outer
Circle rotates；And above-mentioned yaw brake device, fixed part, reinforcer and outer ring are stacked simultaneously in the axial direction of yaw brake disc
It is connected with each other.
Another aspect, a kind of wind power generating set is proposed according to the utility model embodiment, including：Tower, including
Tower body and flange, tower body include the top and bottom being oppositely arranged, and flanged joint is in top；Above-mentioned yaw system
System, fixed part, reinforcer and outer ring are by connector and flanged joint, and reinforcer is between flange and fixed part.
Brief description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the axonometric drawing of the yaw brake device of the utility model embodiment；
Fig. 2 is the longitudinally cutting figure of the yaw brake device of the utility model embodiment；
Fig. 3 is the axonometric drawing of the yaw brake disc of the utility model embodiment；
Fig. 4 is the axonometric drawing of the reinforcer of the utility model embodiment；
Fig. 5 is the reinforcer of the utility model embodiment and the cooperation schematic diagram of yaw brake disc；
Fig. 6 is the brake of the utility model embodiment and the cooperation schematic diagram of yaw brake disc；
Fig. 7 is the longitudinally cutting figure of the yaw system of the utility model embodiment；
Fig. 8 is the bottom view of the yaw system of the utility model embodiment；
Fig. 9 is the longitudinally cutting figure of the wind power generating set partial structurtes of the utility model embodiment.
Wherein：
100- towers；200- base of wind turbine generator set；
1- yaw brake devices；
10- yaw brake discs；
11- fixed parts；
12- braking parts；The first brake areas of 121-；The second brake areas of 122-；
20- brakes；
21- brake application bodies；211- upper connectors；The upper brake(-holder) blocks of 212-；The first grooves of 213-；The first driving parts of 214-；
Lock body under 22-；Connector under 221-；Brake(-holder) block under 222-；The second grooves of 223-；The second driving parts of 224-；
30- reinforcers；31- top surfaces；32- bottom surfaces；
40- connecting holes；
2- yaws revolving support component；201- inner rings；202- outer rings；
3- driving devices；
4- tower bodies；At the top of 401-；402- bottoms；
5- flanges；
6- bolts.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to actual ratio.
Embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.Retouched in detail in following
In stating, it is proposed that many details, in order to provide the comprehensive understanding to the utility model.But for people in the art
It will be apparent that the utility model can be implemented in the case of some details being not required in these details for member.
The description to embodiment is used for the purpose of providing to the more preferable of the utility model by showing the example of the utility model below
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not illustrated, to avoid to this reality
Unnecessary obscure is caused with new；Also, for clarity, it may be exaggerated the size of part-structure.Described below
Feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner, in addition, term " first ",
" second ", " 3rd " etc. are only used for description purpose, and it is not intended that instruction or hint relative importance..
The noun of locality of middle appearance described below is the direction shown in figure, is not the yaw brake to the utility model
The concrete structure of device is defined.In the description of the utility model, it is also necessary to explanation, unless otherwise clear and definite regulation
And restriction, term " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visually
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The utility model in order to better understand, the yaw system with reference to Fig. 1 to Fig. 6 according to the utility model embodiment
Dynamic device is described in detail.
Also referring to Fig. 1, Fig. 2, Fig. 1 shows the axonometric drawing of yaw brake device 1, and Fig. 2 shows that yaw brake fills
Put 1 longitudinally cutting figure.The utility model embodiment proposes a kind of yaw brake device 1, including yaw brake disc 10, braking
Device 20 and reinforcer 30, yaw brake disc 10 are cyclic structure body, are included in the fixed part radially set in succession of its own
11 and braking parts 12, braking parts 12 be included in the first brake area 121 being oppositely arranged in the axial direction of yaw brake disc 10 and
Two brake areas 122.Brake 20 includes the brake application body 21 for being oppositely arranged and being connected with each other and lower lock body 22, and brake application body 21 can
With 121 CONTACT WITH FRICTION of the first brake area, lower lock body 22 can be stopped with 122 CONTACT WITH FRICTION of the second brake area with braking yaw
Hull 10.Reinforcer 30 is stacked with fixed part 11 in the axial direction.
The yaw brake device 1 that the utility model embodiment provides, can effectively reduce or avoid yaw brake disc 10
Introversion deformation, ensure yaw brake disc 10 flatness, avoid it from being interfered with brake 20, then ensure impeller position
Put the normal operation of locking requirement and wind power generating set.
Also referring to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 shows the axonometric drawing of yaw brake disc 10, and Fig. 4 shows reinforcer
30 axonometric drawing, Fig. 5 show the cooperation schematic diagram of reinforcer 30 and yaw brake disc 10.Specifically, yaw brake disc 10 is whole
Body is that ring-shaped structure body, braking parts 12 and fixed part 11 are sequentially distributed from the inside to the outside along the radial direction of yaw brake disc 10.Add
Strong part 30 includes the top surface 31 being oppositely arranged and bottom surface 32, top surface 31 are docked with fixed part 11.
Also referring to Fig. 6, Fig. 6 shows the cooperation schematic diagram of brake 20 and yaw brake disc 10.Brake 20
Brake application body 21 includes upper connector 211 and the scalable upper brake(-holder) block 212 for being connected to upper connector 211, and brake application body 21 is by upper
212 and first brake area of brake(-holder) block, 121 CONTACT WITH FRICTION, lower lock body 22 include lower connector 221 and scalable are connected to lower company
The lower brake(-holder) block 222 of fitting 221, lower lock body 22 pass through lower 222 and second brake area of brake(-holder) block, 122 CONTACT WITH FRICTION.Specifically,
In the present embodiment, first groove 213 is set in upper connector 211, the first driving part 214 is provided with the first groove 213,
First driving part 214 is connected between brake(-holder) block 212 and upper connector 211, i.e. upper brake(-holder) block 212 passes through the first driving
Component 214 is telescopic to be connected to upper connector 211, and upper brake(-holder) block 212 is driven relative to upper company by the first driving part 214
Fitting 211 is flexible, then realizes and 121 CONTACT WITH FRICTION of the first brake area of yaw brake disc 10 or separates.In lower connector
The second groove 223 is provided with 221, the second driving part 224 is provided with the second groove 223, the second driving part 224 connects
It is connected between lower brake(-holder) block 222 and lower connector 221, i.e. lower brake(-holder) block 222 passes through 224 telescopic company of the second driving part
Lower connector 221 is connected to, drives lower brake(-holder) block 222 flexible relative to lower connector 221 by the second driving part 224, then
Realize and 122 CONTACT WITH FRICTION of the second brake area of Yaw brake block or separate.The first described driving part 214 can be liquid
Press driving part, such as hydraulic cylinder, or air pressure driving part, such as cylinder, as long as can realize brake(-holder) block 212 with it is upper
211 scalable connection of connector, lower brake(-holder) block 222 and lower 221 scalable connection of connector, then with corresponding yaw brake disc
10 122 CONTACT WITH FRICTION of the first brake area 121 and the second brake area, with braking yaw brake disc 10.
As an alternative embodiment, the shape of reinforcer 30 and the shape phase of the fixed part 11 of yaw brake disc 10
Matching, is also cirque structure body, in the present embodiment, the width radially of the width and fixed part 11 radially of reinforcer 30
Spend equal.The shape and the shape of fixed part 11 for limiting reinforcer 30 match, and limit the width radially of reinforcer 30
It is equal with the width radially of fixed part 11, it can preferably ensure to reduce reinforcer 30, fixed part 11 and the flange of tower
Ratio of rigidity, while reinforcer 30 can be avoided to be interfered with brake 20, ensure the braking effect of brake 20.Certainly,
Above-mentioned form is preferred embodiment, but be not limited to the width radially of reinforcer 30 and fixed part 11 radially
Width is equal, and in some optional embodiments, the radial width of reinforcer 30 can also be slightly larger than or be slightly less than fixed part 11
Radial width, as long as disclosure satisfy that reduction or avoid the introversion of yaw brake disc 10 from deform, ensure yaw brake disc 10 put down
Face degree requirement.
Brake 20 is using the above structure, easy to process and of low cost on the basis of brake request is ensured, this implementation
20 quantity of brake in example is 13, and 13 brakes 20 are distributed on the circumferential direction of braking parts 12, with braking yaw brake disc
10.It is understood that the quantity of brake 20 is not limited to 13, in some optional embodiment power, 13 can be more than
It is a, such as 15.13, such as 11 can also be less than.When the size of brake 20 set it is reasonable, when braking effect is good enough, system
20 quantity of dynamic device can also be 1, can specifically set according to requirements.
The reinforcer 30 of above-described embodiment and the fixed part 11 of yaw brake disc 10 are split structures, are had easy to process
The advantages that.Certainly, however it is not limited to it is split structure, in some optional embodiments, reinforcer 30 and yaw brake disc 10
Fixed part 11 can be an integral structure, it is possible to increase the overall stiffness of yaw brake disc 10, reduce reinforcer 30, fixed part
11 with the ratio of rigidity of the flange of tower, avoid 10 introversion of yaw brake disc from deforming, and then ensure the flatness of yaw brake disc 10.
Reinforcer 30 can use the form for a domain shape structure of above-described embodiment, can ensure reinforcer 30
Globality.Certainly, since reinforcer 30 is applied in wind power generating set, size is larger, will for the ease of processing etc.
Ask, in some optional embodiments, reinforcer 30 can also use split structure, i.e. reinforcer 30 can also be by two sections
The continuous cyclic structure body that above segmental arc is spliced, in the base for ensureing to reduce or avoid 10 introversion of yaw brake disc to deform
It is easy to process on plinth, save the processing cost of reinforcer 30.
As an alternative embodiment, reinforcer 30 is in the case where influencing rigidity itself and intensity, can also
Lightening hole and/or lightening grooves are opened up on reinforcer 30, to mitigate reinforcer 30 weight of itself, save the use of reinforcer 30
Material, reduces cost.Lightening hole, the quantity of lightening grooves are not specifically limited, and can be set according to the actual needs of reinforcer 30.
As an alternative embodiment, reinforcer 30 is coaxially disposed with yaw brake disc 10 so that yaw brake fills
When putting 1 and being applied in yaw system, yaw brake disc 10 is more uniformly stressed, and can preferably be reduced or be avoided its introversion from becoming
Shape, and then ensure its flatness.
As an alternative embodiment, when yaw brake device 1 is applied in yaw system, for the ease of with
The connection of corresponding component, preferably offers connecting hole 40 on reinforcer 30 and fixed part 11, and connecting hole 40 is stopped along yaw
Hull 10 it is axially extending so that yaw brake device 1 when in use, can be connected by fasteners such as bolts with corresponding component
Connect.
In order to preferably avoid the introversion of yaw brake disc 10 from deforming, ensure the flatness of yaw brake disc 10, as one
The optional embodiment of kind, the top surface 31 of reinforcer 30 and the flatness of bottom surface 32 are 0.6mm, by limiting reinforcer 30
Top surface 31 and the flatness of bottom surface 32, and then ensure the flatness of yaw brake disc 10.It is understood that it is not limited to strengthen
The top surface 31 of part 30 and the flatness of bottom surface 32 are 0.6mm, in some optional embodiments, the top surface 31 of reinforcer 30
And/or the flatness of bottom surface 32 might be less that 0.6mm, such as any number between 0.3mm either 0~0.6mm, reducing
On the basis of processing cost, the numerical value of flatness is the smaller the better.
Thus, the yaw brake device 1 that the utility model embodiment provides, brake application body 21 and lower lock by brake 20
22 collective effect of body, can brake yaw brake disc 10, when in use, yaw brake device 1 can be connected to tower
Between the flange and base of wind turbine generator set of cylinder, to provide necessary locking torque, the position of impeller is locked.Due to there is provided
Reinforcer 30 so that reinforcer 30 is optimized with the rigidity under the common cooperation of fixed part 11, the rigidity with the flange of tower
Than reducing, and then reduce or avoid yaw brake disc 10 from being deformed with the introversion of the tower drum flange of wind power generating set, ensure yaw
The flatness of brake disc 10, avoids have impact on the normal work of yaw brake device 1 because of the introversion of yaw brake disc 10 deformation,
Preferably to ensure the normal operation of the locking requirement of the position of impeller and wind power generating set.
Also referring to Fig. 7, Fig. 8, Fig. 7 shows the longitudinally cutting figure of yaw system, and Fig. 8 shows facing upward for yaw system
View.The utility model embodiment additionally provides a kind of yaw system, and yaw system includes yaw revolving support component 2, driving
The yaw brake device 1 of device 3 and the various embodiments described above.In the present embodiment, yaw revolving support component 2 is bearing arrangement, bag
The inner ring 201 being rotatably assorted and outer ring 202 are included, driving device 3 is driving motor, driving device 3 and yaw revolving support component 2
Connection, is rotated with the inner ring 201 of driving yaw revolving support component 2 relative to outer ring 202.Yaw system is in wind power generating set
In use, the wind-driven generator that driving device 3 can pass through wind power generating set with yawing the inner ring 201 of revolving support component 2
Group base is fixedly connected indirectly, and the output terminal of driving device 3 can pass through speed change with yawing the outer ring 202 of revolving support component 2
The transmission devices such as case engaged transmission, so that driving device 3 can be rotated relative to outer ring 202, and then can drive inner ring 201 opposite
Rotated in outer ring 202.The reinforcer 30 of yaw brake device 1, the fixed part 11 of yaw brake disc 10 and outer ring 202 are stopped in yaw
It is stacked and is connected with each other in the axial direction of hull 10, can be specifically fixedly connected by fasteners such as bolts, it is of course also possible to
It is fixedly connected by modes such as welding.
In the present embodiment, driving device 3 is 3, and 3 driving devices 3 are circumferentially distributed yaw revolving support component 2,
Enable to yaw system relatively reliable, ensure the inner ring 201 of yaw revolving support component 2 relative to the rotation of its outer ring 202
It is required that.It is, of course, understood that the quantity of driving device 3 is not limited to 3, can also in some optional embodiments
Less than 3, such as 1,3, such as 5 or more can also be more than, can require to set according to specifically used.
Thus, the yaw system that the utility model embodiment provides, can be used in the impeller yaw of wind power generating set, together
When necessary locking torque can also be provided, to lock the position of impeller.When being applied in wind power generating set, due at it
Reinforcer 30 is provided with yaw brake device 1 so that reinforcer 30 obtains excellent with the rigidity under the common cooperation of fixed part 11
Change, reduced with the ratio of rigidity of the flange of the tower of wind power generating set, allow ratio of rigidity to be in balance, and then reduce or avoid yawing
Brake disc 10 is deformed with the introversion of flange, is ensured the flatness of yaw brake disc 10, is effectively avoided because of yaw brake disc 10
Introversion deforms and have impact on the normal work of yaw brake device 1, preferably to ensure the locking requirement of the position of impeller and wind-force
The normal operation of generating set.
Also referring to Fig. 9, Fig. 9 shows that the longitudinal direction of the wind power generating set partial structurtes of the utility model embodiment is cutd open
Cut figure.The utility model embodiment additionally provides a kind of wind power generating set, and wind power generating set includes tower 100, above-mentioned reality
The yaw system and base of wind turbine generator set 200 of example are applied, tower 100 includes tower body 4 and flange 5, and tower body 4 includes
Opposite top 401 and bottom 402, flange 5 are connected to top 401.The fixed part 11 of yaw brake device 1 in yaw system,
Reinforcer 30 and outer ring 202 are connected by connector with flange 5, and connector can specifically use the grade of bolt 6 fastener to fix company
Connect.For reinforcer 30 between flange 5 and fixed part 11, base of wind turbine generator set 200 is fixedly connected on yaw revolving support
On the inner ring 201 of component 2, the brake 20 of yaw brake device 1 is fixedly connected on base of wind turbine generator set 200, yaw
The driving device 3 of system can be fixedly connected on base of wind turbine generator set 200.Certainly, base of wind turbine generator set 200
It can be fixedly connected on the outer ring 202 of yaw revolving support component 2, the fixed part 11 of yaw brake device 1 in yaw system,
Reinforcer 30 and inner ring 201 are connected by connector with flange 5.
The wind power generating set that the utility model embodiment provides, base of wind turbine generator set 200 are connected to yaw revolution
The inner ring 201 of support member 2, the inner ring 201 of yaw revolving support component 2 is driven relative to its outer ring 202 by driving device 3
Rotate, and then the direction of impeller can be adjusted, make it that in state windward, wind energy can be made full use of all the time, when impeller is aligned
During wind direction, the yaw brake device 1 of yaw system can also provide necessary locking torque, to lock the position of impeller, ensure
The safe operation of wind power generating set.
Refer to table 1, the original structure in table 1 refers to being not provided with the situation of reinforcer 30 in yaw brake device 1, newly
Structure refers to setting the situation of reinforcer 30 in yaw brake device 1, as seen from table, the yaw brake in the case of new construction
The axial deflection along its own of disk 10 is down to 0.726mm by 1.455mm, and deflection reduces 50.1%.New construction feelings
Yaw revolving support component 2 under condition drops to 0.319 along the axial deflection of yaw brake disc 10 by 0.582, deflection
Reduce 45.19%.
Table 1
It follows that due to being provided with reinforcer 30 in yaw brake device 1 so that reinforcer 30 and fixed part 11
Rigidity and the ratio of rigidity of the flange 5 of atop a tower 401 under common cooperation reduce, and allow ratio of rigidity to be in balance, and then reduction is inclined
The brake disc 10 that navigates is deformed with the introversion of flange 5, is ensured the flatness of yaw brake disc 10, is avoided it from interfering with lower lock body 22, no
Abrasion can be produced to the friction plate of brake 20, ensure the normal work of yaw brake device 1, meet that the position locking of impeller will
Ask and the normal operation of wind power generating set.Reinforcer 30 also reduces 202 deflection of outer ring of yaw revolving support component 2,
Improve the fatigue life of yaw revolving support component 2.
Also, due to there is provided reinforcer 30, making connecting flange 5 to the grade fastener of bolt 6 of yaw revolving support component 2
Length increase, so as to improve the fatigue life of the grade fastener of bolt 6.
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
- A kind of 1. yaw brake device (1), it is characterised in that including：Yaw brake disc (10), is cyclic structure body, is included in the fixed part (11) radially set in succession and system of its own Dynamic portion (12)；Brake (20), the mantle friction with the braking parts (12) contact, to brake the yaw brake disc (10)；AndReinforcer (30), is stacked in the axial direction of the yaw brake disc (10) with the fixed part (11).
- 2. yaw brake device (1) according to claim 1, it is characterised in that the shape of the reinforcer (30) and institute The shape for stating fixed part (11) matches, and is integral ring-shaped structure body.
- 3. yaw brake device (1) according to claim 1, it is characterised in that the reinforcer (30) and the fixation Portion (11) is an integral structure.
- 4. yaw brake device (1) according to claim 1, it is characterised in that the reinforcer (30) be by two sections with The cyclic structure body that upper segmental arc is spliced.
- 5. yaw brake device (1) according to any one of claims 1 to 4, it is characterised in that on the reinforcer (30) Offer lightening hole and/or lightening grooves.
- 6. the yaw brake device (1) according to claim 2 or 4, it is characterised in that the reinforcer (30) with it is described partially Boat brake disc (10) is coaxially disposed.
- 7. yaw brake device (1) according to claim 1, it is characterised in that the reinforcer (30) and the fixation Offer connecting hole (40) in portion (11), the connecting hole (40) is along the axially extending of the yaw brake disc (10).
- 8. yaw brake device (1) according to claim 1, it is characterised in that the reinforcer (30) includes opposite set The top surface (31) put and bottom surface (32), the top surface (31) are docked with the fixed part (11), the top surface (31) and/or described The flatness of bottom surface (32) is 0~0.6mm.
- A kind of 9. yaw system, it is characterised in that including：Yaw revolving support component (2), including the inner ring (201) being rotatably assorted and outer ring (202)；Driving device (3), is connected with the yaw revolving support component (2), to drive the relatively described outer ring of the inner ring (201) (202) rotate；AndYaw brake device (1) as described in claim 1 to 8 any one, the fixed part (11), the reinforcer (30) And the outer ring (202) is stacked and is connected with each other in the axial direction of the yaw brake disc (10).
- A kind of 10. wind power generating set, it is characterised in that including：Tower (100), including tower body (4) and flange (5), the tower body (4) include the top (401) being oppositely arranged And bottom (402), the flange (5) are connected to the top (401)；Yaw system as claimed in claim 9, the fixed part (11), the reinforcer (30) and the outer ring (202) lead to Cross connector to be connected with the flange (5), the reinforcer (30) is between the flange (5) and the fixed part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357658.3U CN207278419U (en) | 2017-10-20 | 2017-10-20 | Yaw brake device, yaw system and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576686A (en) * | 2019-09-27 | 2021-03-30 | 新疆金风科技股份有限公司 | Damping device, yaw system, wind generating set and yaw damping method |
| CN113539027A (en) * | 2020-12-30 | 2021-10-22 | 北京金风慧能技术有限公司 | Yaw teaching equipment of wind generating set |
| CN113803207A (en) * | 2021-10-19 | 2021-12-17 | 哈电风能有限公司 | Wind generating set driftage device and wind generating set |
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2017
- 2017-10-20 CN CN201721357658.3U patent/CN207278419U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576686A (en) * | 2019-09-27 | 2021-03-30 | 新疆金风科技股份有限公司 | Damping device, yaw system, wind generating set and yaw damping method |
| CN112576686B (en) * | 2019-09-27 | 2023-03-14 | 新疆金风科技股份有限公司 | Damping device, yaw system, wind generating set and yaw damping method |
| CN113539027A (en) * | 2020-12-30 | 2021-10-22 | 北京金风慧能技术有限公司 | Yaw teaching equipment of wind generating set |
| CN113539027B (en) * | 2020-12-30 | 2024-02-06 | 北京金风慧能技术有限公司 | Yaw teaching equipment of wind generating set |
| CN113803207A (en) * | 2021-10-19 | 2021-12-17 | 哈电风能有限公司 | Wind generating set driftage device and wind generating set |
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