CN102913611A - Control method and device for lubrication of tooth surface of yaw bearing and yaw bearing lubrication system - Google Patents
Control method and device for lubrication of tooth surface of yaw bearing and yaw bearing lubrication system Download PDFInfo
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- CN102913611A CN102913611A CN201110222415XA CN201110222415A CN102913611A CN 102913611 A CN102913611 A CN 102913611A CN 201110222415X A CN201110222415X A CN 201110222415XA CN 201110222415 A CN201110222415 A CN 201110222415A CN 102913611 A CN102913611 A CN 102913611A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides a control method and a control device for the lubrication of the tooth surface of a yaw bearing and a yaw bearing lubrication system. The method comprises the following steps of: generating a lubricating factor corresponding to each target area according to a wind direction distribution probability; generating a tooth surface lubricating grease amount corresponding to each target area according to the lubricating factor corresponding to each target area; and generating a tooth surface lubricating grease control signal according to the tooth surface lubricating grease amount corresponding to each target area. The device comprises a lubricating factor generator module, a tooth surface lubricating grease amount generation module and a tooth surface control signal generation module. According to the control method and the control device for the lubrication of the tooth surface of the yaw bearing and the yaw bearing lubrication system, the real-time lubrication of the tooth surface of the yaw bearing is controlled, and corresponding amounts of lubricating grease is added for different target areas of an area to be lubricated of the tooth surface of the yaw bearing, so that a lubrication effect on the tooth surface of the yaw bearing is improved, the service life of a yaw system is prolonged, and the waste of the lubricating grease is avoided.
Description
Technical field
The present invention relates to wind generating set yaw bearing lubrication technology, relate in particular to the lubricated controlling method of a kind of driftage bearing flank of tooth, device and driftage bearing lubrication system.
Background technique
Wind power generating set need to be lubricated operation to each key components and parts when operation, to guarantee the working life of key components and parts.
Lubricated to driftage bearing and the open type flank of tooth that contact of driftage reduction gearbox output shaft is called for short the bearing flank of tooth of going off course and lubricates, and is one of lubricated main aspect of wind driven generator yaw bearing.For lubricating of the driftage bearing flank of tooth, because it is Open architecture, lubricant grease can only be attached on the driftage bearing flank of tooth.
At present, mainly by automatic lubricator the driftage bearing flank of tooth is lubricated at regular time and quantity.Because the stressed wearing and tearing of the open type flank of tooth that the driftage bearing contacts with the driftage reduction gearbox output shaft are also inhomogeneous, and automatic lubricator is not pointed to the working zone that the driftage bearing flank of tooth is lubricated yet, the zone that has on the driftage bearing flank of tooth may not be lubricated or be lubricated insufficient and cause the reduction in yaw system life-span, some zones may accumulate grease other equipment are polluted and to cause waste.
Summary of the invention
The invention provides the lubricated controlling method of a kind of driftage bearing flank of tooth, device and driftage bearing lubrication system, to improve the lubrication effect to the driftage bearing flank of tooth, in the working life of improving yaw system, avoid the waste of lubricant grease.
The invention provides the lubricated controlling method of a kind of driftage bearing flank of tooth, comprising:
According to the wind direction distribution probability, generate lubrication factor corresponding to each target area, wherein, described target area is the zone for the treatment of the regions of lubrication division of the flank of tooth of the bearing of will going off course according to described wind direction distribution probability;
The lubrication factor corresponding according to each described target area generates flank of tooth lubricant grease amount corresponding to each described target area;
The flank of tooth lubricant grease amount corresponding according to each described target area, generate flank of tooth lubricant grease control signal, described flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control described driftage bearing lubrication actuator to each target area of the flank of tooth of described driftage bearing.
The invention provides a kind of driftage bearing flank of tooth lubrication control device, comprising:
The lubrication factor generation module is used for according to the wind direction distribution probability, generates lubrication factor corresponding to each target area, and wherein, described target area is the zone for the treatment of the regions of lubrication division of the flank of tooth of the bearing of will going off course according to described wind direction distribution probability;
Flank of tooth lubricant grease amount generation module is used for the lubrication factor corresponding according to each described target area, generates flank of tooth lubricant grease amount corresponding to each described target area;
Flank of tooth control signal generation module, be used for the flank of tooth lubricant grease amount corresponding according to each described target area, generate flank of tooth lubricant grease control signal, described flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control described driftage bearing lubrication actuator to each target area of the flank of tooth of described driftage bearing.
The invention provides a kind of driftage bearing lubrication system, comprising:
Driftage bearing flank of tooth lubrication control device provided by the invention; And
Driftage bearing lubrication actuator, link to each other with described driftage bearing flank of tooth lubrication control device, under the control of described driftage bearing lubrication actuator for the flank of tooth lubricant grease control signal that generates at described driftage bearing flank of tooth lubrication control device, lubricated to the flank of tooth of driftage bearing.
As shown from the above technical solution, the driftage bearing flank of tooth provided by the invention lubricates controlling method, device and driftage bearing lubrication system, according to the wind direction distribution probability, generate lubrication factor corresponding to each target area, the lubrication factor corresponding according to each target area, generate flank of tooth lubricant grease amount corresponding to each target area, the flank of tooth lubricant grease amount corresponding according to each target area generates flank of tooth lubricant grease control signal control driftage bearing lubrication actuator and adds the lubricant grease of corresponding flank of tooth lubricant grease amount to each target area of the flank of tooth of driftage bearing.Owing to generating according to wind direction probability distribution and running status of wind generator during flank of tooth lubricant grease amount, the amount of the lubricant grease that adds for the regional of the different driftage bearing flank of tooth of the degree of wear is also different, pointed.Realized the control of lubricating in real time to the flank of tooth of driftage bearing, the different target zone for the treatment of regions of lubrication of the flank of tooth of driftage bearing is added the lubricant grease of corresponding amount, improved the lubrication effect to the driftage bearing flank of tooth, improve the working life of yaw system, avoided the waste of lubricant grease.
Description of drawings
The lubricated controlling method flow chart of the driftage bearing flank of tooth that Fig. 1 provides for the embodiment of the invention;
A kind of driftage bearing flank of tooth lubrication control device structural representation that Fig. 2 provides for the embodiment of the invention;
The another kind driftage bearing flank of tooth lubrication control device structural representation that Fig. 3 provides for the embodiment of the invention;
A kind of driftage bearing lubrication system architecture schematic diagram that Fig. 4 provides for the embodiment of the invention;
The another kind driftage bearing lubrication system architecture schematic diagram that Fig. 5 provides for the embodiment of the invention.
Embodiment
For the purpose, technological scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described.Need to prove, in accompanying drawing or specification, similar or identical element all uses identical reference character.
The lubricated controlling method flow chart of the driftage bearing flank of tooth that Fig. 1 provides for the embodiment of the invention.As shown in Figure 1, the lubricated controlling method of the driftage bearing flank of tooth that the present embodiment provides specifically can be applied to the lubricated control to the driftage bearing of wind-driven generator, is mainly the lubricated control to the flank of tooth of driftage bearing.The lubricated controlling method of the driftage bearing flank of tooth that the present embodiment provides comprises:
Step 10, according to the wind direction distribution probability, generate lubrication factor corresponding to each target area, wherein, the target area is the zone for the treatment of regions of lubrication division of the flank of tooth of the bearing of will go off course according to the wind direction distribution probability;
The flank of tooth of driftage bearing is specially the open type flank of tooth that the driftage bearing contacts with the driftage reduction gearbox output shaft.The wind direction distribution probability specifically can form the on-site wind direction of wind-driven generator according to regular hour section statistics, for example according to adding up every month, the probability distribution graph in 12 stages was arranged in 1 year.Because blower fan is in the wind state always, so the lubrication needs at each position of driftage bearing bull gear also is different, what the more flank of tooth of engagement action needed when prevailing wind direction is lubricated relatively many, and the flank of tooth that non-prevailing wind direction is corresponding is lubricated relatively few.Can determine possible wind direction according to the wind direction distribution probability, as, east, south, west, north, the southeast, northeast, southwest, eight wind directions in northwest, the engagement situation of the open type flank of tooth that the driftage bearing contacts with the driftage reduction gearbox output shaft during according to different wind direction will treat that regions of lubrication is divided into a plurality of target areas, to add the lubricant grease of different amounts for different target areas.
The lubrication factor of certain target area specifically can be corresponding with this target area the wind direction probability proportional, wind direction likelihood ratio corresponding to target area is higher, then the required lubricant grease in this target area is just many.
Step 20, the lubrication factor corresponding according to each target area generate flank of tooth lubricant grease amount corresponding to each target area;
The lubrication factor corresponding according to each target area generates flank of tooth lubricant grease amount corresponding to each target area, each target area is added the lubricant grease of corresponding amount.
Step 30, the flank of tooth lubricant grease amount corresponding according to each target area, generate flank of tooth lubricant grease control signal, flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control driftage bearing lubrication actuator to each target area of the flank of tooth of driftage bearing.
Driftage bearing lubrication actuator adds the lubricant grease of corresponding amount, to realize the lubricated control to the flank of tooth of driftage bearing to each target area of the flank of tooth of driftage bearing under the control of flank of tooth lubricating oil fat control signal.This driftage bearing lubrication actuator can comprise that specifically the flank of tooth lubricates module, the lubricated module of the flank of tooth comprises flank of tooth lubricating grease pump, flank of tooth lubricant grease tank and flank of tooth lubricant transfer pinion, a lot of oil outlets are distributing above the concrete flank of tooth lubricant transfer pinion, flank of tooth lubricating grease pump is sprayed onto the lubricant grease in the flank of tooth lubricant grease tank to lubricant grease on the flank of tooth of flank of tooth lubricant transfer pinion by flank of tooth lubricant transfer pinion under the control of flank of tooth lubricating oil fat control signal, passes through the engagement of flank of tooth lubricant transfer pinion and the flank of tooth of driftage bearing with the flank of tooth of lubricated driftage bearing again.
The driftage bearing flank of tooth that the present embodiment provides lubricates controlling method, according to the wind direction distribution probability, generate lubrication factor corresponding to each target area, the lubrication factor corresponding according to each target area, generate flank of tooth lubricant grease amount corresponding to each target area, the flank of tooth lubricant grease amount corresponding according to each target area generates flank of tooth lubricant grease control signal control driftage bearing lubrication actuator and adds the lubricant grease of corresponding flank of tooth lubricant grease amount to each target area of the flank of tooth of driftage bearing.Owing to generating according to wind direction probability distribution and running status of wind generator during flank of tooth lubricant grease amount, the amount of the lubricant grease that adds for the regional of the different driftage bearing flank of tooth of the degree of wear is also different, pointed.Realized the control of lubricating in real time to the flank of tooth of driftage bearing, the different target zone for the treatment of regions of lubrication of the flank of tooth of driftage bearing is added the lubricant grease of corresponding amount, improved the lubrication effect to the driftage bearing flank of tooth, improve the working life of yaw system, avoided the waste of lubricant grease.
In the present embodiment, step 20, the lubrication factor corresponding according to each target area generates flank of tooth lubricant grease amount corresponding to each target area, specifically can comprise the steps:
Step 201, obtain the driftage bearing utilization rate and flank of tooth lubricating efficiency;
The utilization rate of driftage bearing specifically can be determined according to the operating time of wind-driven generator, for example, a certain wind-driven generator running time in a year 365 days is 340 days, remains 25 days and all is in maintenance or maintenance state, and then the utilization rate of this wind-driven generator is 340/365=0.93.Flank of tooth lubricating efficiency is concrete also relevant with the performance parameter of lubricant grease, can determine according to the lubrication circumstances to the flank of tooth of driftage bearing of the lubricant grease of actual usefulness.
Step 202, the following formula of application calculate lubricant grease amount γ corresponding to each target area:
Wherein, K
1Be the first scale factor, K
2Be the second scale factor, λ is utilization rate, and η is flank of tooth lubricating efficiency, and κ is lubrication factor.
The first scale factor K
1With the second scale factor K
2All can specifically set according to the structural parameter of wind-driven generator self and the performance parameter of lubricant grease.
In the present embodiment, step 10 according to the wind direction distribution probability, generates lubrication factor corresponding to each target area, specifically can comprise the steps:
Step 101, according to the wind direction distribution probability, generate wind direction probability corresponding to each target area;
Concrete, wind direction probability distribution graph that can the corresponding stage is analyzed, and obtains the wind direction distribution probability, again according to this wind direction distribution probability, determines a wind direction probability corresponding to target area.
Step 102, the following formula of application calculate and generate lubrication factor κ corresponding to each target area:
κ＝K
3×λ
θ；
Wherein, K
3Be the 3rd scale factor, λ
θBe the wind direction probability.
The 3rd scale factor K
3Also can specifically set according to the structural parameter of wind-driven generator self and the performance parameter of lubricant grease.
A kind of driftage bearing flank of tooth lubrication control device structural representation that Fig. 2 provides for the embodiment of the invention.As shown in Figure 2, the driftage bearing flank of tooth lubrication control device that the present embodiment provides specifically can be realized each step of the lubricated controlling method of the above-mentioned driftage bearing flank of tooth, and this repeats no more.In the process that the flank of tooth to the driftage bearing of wind-driven generator is lubricated, the driftage bearing flank of tooth lubrication control device control driftage bearing lubrication actuator that can provide by the present embodiment regularly adds lubricant grease to the flank of tooth of driftage bearing.
The driftage bearing flank of tooth lubrication control device that the present embodiment provides specifically comprises lubrication factor generation module 11, flank of tooth lubricant grease amount generation module 12 and flank of tooth control signal generation module 13.Lubrication factor generation module 11 is used for according to the wind direction distribution probability, generates lubrication factor corresponding to each target area, and wherein, the target area is the zone for the treatment of the regions of lubrication division of the flank of tooth of the bearing of will going off course according to the wind direction distribution probability.Flank of tooth lubricant grease amount generation module 12 is used for the lubrication factor corresponding according to each target area, generates flank of tooth lubricant grease amount corresponding to each target area.Flank of tooth control signal generation module 13 is used for the flank of tooth lubricant grease amount corresponding according to each target area, generate flank of tooth lubricant grease control signal, flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control driftage bearing lubrication actuator to each target area of the flank of tooth of driftage bearing.
The driftage bearing flank of tooth lubrication control device that the present embodiment provides, lubrication factor generation module 11 is according to the wind direction distribution probability, generate lubrication factor corresponding to each target area, the lubrication factor that flank of tooth lubricant grease amount generation module 12 is corresponding according to each target area, generate flank of tooth lubricant grease amount corresponding to each target area, the flank of tooth lubricant grease amount that flank of tooth control signal generation module 13 is corresponding according to each target area generates flank of tooth lubricant grease control signal control driftage bearing lubrication actuator and adds the lubricant grease of corresponding flank of tooth lubricant grease amount to each target area of the flank of tooth of driftage bearing.Owing to generating according to wind direction probability distribution and running status of wind generator during flank of tooth lubricant grease amount, the amount of the lubricant grease that adds for the regional of the different driftage bearing flank of tooth of the degree of wear is also different, pointed.Realized the control of lubricating in real time to the flank of tooth of driftage bearing, the different target zone for the treatment of regions of lubrication of the flank of tooth of driftage bearing is added the lubricant grease of corresponding amount, improved the lubrication effect to the driftage bearing flank of tooth, improve the working life of yaw system, avoided the waste of lubricant grease.
The another kind driftage bearing flank of tooth lubrication control device structural representation that Fig. 3 provides for the embodiment of the invention.As shown in Figure 3, in the present embodiment, flank of tooth lubricant grease amount generation module 12 specifically can comprise acquiring unit 121 and the first computing unit 122.Acquiring unit 121 is used for obtaining utilization rate and the flank of tooth lubricating efficiency of driftage bearing.The first computing unit 122 is used for using following formula and calculates generation lubricant grease amount γ corresponding to each target area:
Wherein, K
1Be the first scale factor, K
2Be the second scale factor, λ is utilization rate, and η is flank of tooth lubricating efficiency, and κ is lubrication factor.
In the present embodiment, lubrication factor generation module 11 specifically can comprise wind direction probability unit 111 and the second computing unit 112, and wind direction probability unit 111 is used for according to the wind direction distribution probability, generates wind direction probability corresponding to each target area.The second computing unit 112 is used for using following formula and calculates generation lubrication factor κ corresponding to each target area:
κ＝K
3×λ
θ；
Wherein, K
3Be the 3rd scale factor, λ
θBe the wind direction probability.
A kind of driftage bearing lubrication system architecture schematic diagram that Fig. 4 provides for the embodiment of the invention.As shown in Figure 4, the driftage bearing lubrication system that the present embodiment provides can be realized each step of the lubricated controlling method of the driftage bearing flank of tooth that any embodiment of the present invention provides, and this repeats no more.
The driftage bearing flank of tooth lubrication control device 21 that the driftage bearing lubrication system any embodiment of the present invention that the present embodiment provides provides and driftage bearing lubrication actuator 22, driftage bearing lubrication actuator 22 links to each other with driftage bearing flank of tooth lubrication control device 21, driftage bearing lubrication actuator 22 is used under the control of the flank of tooth lubricant grease control signal that driftage bearing flank of tooth lubrication control device 21 generates, and is lubricated to the flank of tooth of driftage bearing.
The driftage bearing lubrication system that the present embodiment provides, setting by driftage bearing flank of tooth lubrication control device, real-world operation situation according to the driftage bearing generates flank of tooth lubricant grease control signal, and control driftage bearing lubrication actuator is lubricated to the flank of tooth of driftage bearing.The different target zone for the treatment of regions of lubrication of the flank of tooth of driftage bearing is added the lubricant grease of corresponding amount, improved the lubrication effect to the driftage bearing flank of tooth, in the working life of having improved yaw system, avoided the waste of lubricant grease.
The another kind driftage bearing lubrication system architecture schematic diagram that Fig. 5 provides for the embodiment of the invention.As shown in Figure 5, in the present embodiment, driftage bearing lubrication actuator 22 specifically can comprise flank of tooth lubricating grease pump 221, flank of tooth lubricant grease tank 222 and be equipped with the flank of tooth lubricant transfer pinion 223 of a plurality of apertures.Flank of tooth lubricating grease pump 221 is connected with flank of tooth lubricant transfer pinion with driftage bearing flank of tooth lubrication control device 21, flank of tooth lubricant grease tank 222 respectively and is connected, flank of tooth lubricating grease pump 221 is under the control of the flank of tooth lubricant grease control signal that driftage bearing flank of tooth lubrication control device 21 generates, from flank of tooth lubricant grease tank 222, extract lubricant grease, and by the aperture on the flank of tooth lubricant transfer pinion 223 lubricant grease is added on the flank of tooth 24 of driftage bearing.
It should be noted that at last: above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that previous embodiment is put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (8)
1. the lubricated controlling method of the driftage bearing flank of tooth is characterized in that, comprising:
According to the wind direction distribution probability, generate lubrication factor corresponding to each target area, wherein, described target area is the zone for the treatment of the regions of lubrication division of the flank of tooth of the bearing of will going off course according to described wind direction distribution probability;
The lubrication factor corresponding according to each described target area generates flank of tooth lubricant grease amount corresponding to each described target area;
The flank of tooth lubricant grease amount corresponding according to each described target area, generate flank of tooth lubricant grease control signal, described flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control described driftage bearing lubrication actuator to each target area of the flank of tooth of described driftage bearing.
2. the described driftage bearing flank of tooth lubricates controlling method according to claim 1, it is characterized in that, the described lubrication factor corresponding according to each described target area generates flank of tooth lubricant grease amount corresponding to each described target area, comprising:
Obtain utilization rate and the flank of tooth lubricating efficiency of described driftage bearing;
Use following formula and calculate lubricant grease amount γ corresponding to each described target area:
Wherein, K
1Be the first scale factor, K
2Be the second scale factor, λ is described utilization rate, and η is described flank of tooth lubricating efficiency, and κ is described lubrication factor.
3. the described driftage bearing flank of tooth lubricates controlling method according to claim 1 and 2, it is characterized in that, and is described according to the wind direction distribution probability, generates lubrication factor corresponding to each target area, comprising:
According to described wind direction distribution probability, generate wind direction probability corresponding to each described target area;
Use following formula and calculate lubrication factor κ corresponding to each described target area:
κ＝K
3×λ
θ；
Wherein, K
3Be the 3rd scale factor, λ
θBe the wind direction probability.
4. a driftage bearing flank of tooth lubrication control device is characterized in that, comprising:
The lubrication factor generation module is used for according to the wind direction distribution probability, generates lubrication factor corresponding to each target area, and wherein, described target area is the zone for the treatment of the regions of lubrication division of the flank of tooth of the bearing of will going off course according to described wind direction distribution probability;
Flank of tooth lubricant grease amount generation module is used for the lubrication factor corresponding according to each described target area, generates flank of tooth lubricant grease amount corresponding to each described target area;
Flank of tooth control signal generation module, be used for the flank of tooth lubricant grease amount corresponding according to each described target area, generate flank of tooth lubricant grease control signal, described flank of tooth lubricant grease control signal is added the lubricant grease of corresponding flank of tooth lubricant grease amount in order to control described driftage bearing lubrication actuator to each target area of the flank of tooth of described driftage bearing.
5. driftage bearing flank of tooth lubrication control device according to claim 4 is characterized in that, described flank of tooth lubricant grease amount generation module comprises:
Acquiring unit is for utilization rate and the flank of tooth lubricating efficiency of obtaining described driftage bearing;
The first computing unit is used for using following formula and calculates lubricant grease amount γ corresponding to each described target area:
Wherein, K
1Be the first scale factor, K
2Be the second scale factor, λ is described utilization rate, and η is described flank of tooth lubricating efficiency, and κ is described lubrication factor.
6. according to claim 4 or 5 described driftage bearing flank of tooth lubrication control devices, it is characterized in that, described lubrication factor generation module comprises:
Wind direction probability unit is used for according to described wind direction distribution probability, generates wind direction probability corresponding to each described target area;
The second computing unit is used for using following formula and calculates lubrication factor κ corresponding to each described target area:
κ＝K
3×λ
θ；
Wherein, K
3Be the 3rd scale factor, λ
θBe the wind direction probability.
7. a driftage bearing lubrication system is characterized in that, comprising:
Such as the arbitrary described driftage bearing flank of tooth lubrication control device of claim 4-6; And
Driftage bearing lubrication actuator, link to each other with described driftage bearing flank of tooth lubrication control device, under the control of described driftage bearing lubrication actuator for the flank of tooth lubricant grease control signal that generates at described driftage bearing flank of tooth lubrication control device, lubricated to the flank of tooth of driftage bearing.
8. driftage bearing lubrication system according to claim 7 is characterized in that, described driftage bearing lubrication actuator comprises flank of tooth lubricating grease pump, flank of tooth lubricant grease tank and is equipped with the flank of tooth lubricant transfer pinion of a plurality of apertures;
Described flank of tooth lubricating grease pump is connected with flank of tooth lubricant transfer pinion with described driftage bearing flank of tooth lubrication control device, flank of tooth lubricant grease tank respectively, described flank of tooth lubricating grease pump is under the control of the flank of tooth lubricant grease control signal that described driftage bearing flank of tooth lubrication control device generates, from described flank of tooth lubricant grease tank, extract lubricant grease, and by the aperture on the described flank of tooth lubricant transfer pinion described lubricant grease is added on the flank of tooth of described driftage bearing.
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| CN106762410A (en) * | 2016-12-21 | 2017-05-31 | 山东中车风电有限公司 | A kind of control method of wind generating set yaw lubricating system |
| CN106762410B (en) * | 2016-12-21 | 2019-02-26 | 山东中车风电有限公司 | A kind of control method of wind generating set yaw lubricating system |
| CN109185080A (en) * | 2018-07-27 | 2019-01-11 | 北京金风科创风电设备有限公司 | Yaw greasing method and device, and computer readable storage medium |
| CN109185080B (en) * | 2018-07-27 | 2019-11-22 | 北京金风科创风电设备有限公司 | Yaw stuffing method and apparatus, computer readable storage medium |
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