CN102913731B - Control method and device for lubrication of sliding way of yaw bearing and yaw bearing lubrication system - Google Patents

Control method and device for lubrication of sliding way of yaw bearing and yaw bearing lubrication system Download PDF

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CN102913731B
CN102913731B CN201110222414.5A CN201110222414A CN102913731B CN 102913731 B CN102913731 B CN 102913731B CN 201110222414 A CN201110222414 A CN 201110222414A CN 102913731 B CN102913731 B CN 102913731B
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slideway
lubricant grease
lubrication
driftage bearing
current friction
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CN102913731A (en
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李磊
辛理夫
刘志
陈曦
杨松
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Sinovel Wind Group Co Ltd
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Sinovel Wind Group Co Ltd
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Abstract

The invention provides a control method and a control device for the lubrication of a sliding way of a yaw bearing and a yaw bearing lubrication system. The method comprises the following steps of: acquiring the current friction torque of the yaw bearing, and generating a current friction factor according to the current friction torque; generating a sliding way lubricating grease amount according to an expected friction factor and the current friction factor; and generating a sliding way lubricating grease control signal according to the sliding way lubricating grease amount. The device comprises a current friction factor generation module, a sliding way lubricating grease amount generation module and a sliding way control signal generation module. According to the control method and the control device for the lubrication of the sliding way of the yaw bearing and the yaw bearing lubrication system, different amounts of lubricating grease is added for sliding ways of yaw bearings abraded to different extents, so that a lubrication effect on the sliding way 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

Driftage bearing slideway lubrication controlling method, device and driftage bearing lubrication system
Technical field
The present invention relates to wind generating set yaw bearing lubrication technology, particularly relate to a kind of driftage bearing slideway lubrication controlling method, device and driftage bearing lubrication system.
Background technique
Wind power generating set operationally needs to carry out lubrication operation to each key components and parts, to ensure the working life of key components and parts.
Realize the lubrication to slideway at driftage Bearing inner, being called for short driftage bearing slideway lubrication, is one of main aspect of lubrication of wind driven generator yaw bearing.Driftage bearing generally has a large amount of oil holes and oil outlet, and realizing the lubrication to Bearing inner slideway by oil hole, is sealed mode lubricating structure.
At present, at regular time and quantity lubricant grease is added mainly through the slideway of automatic lubricator to driftage bearing to the lubrication of driftage bearing slideway.Because the service condition of bearing of going off course all there are differences, needed for different driftage bearings, the amount of lubricant grease is not identical, by injecting the lubricant grease of fixed amount in the slideway to driftage bearing, can not meet the lubrication needs of driftage bearing reality.May be insufficient and cause the reduction in yaw system life-span because of the driftage bearing lubrication had, also the lubricant grease accumulation of presumable driftage bearing too much makes other equipment be polluted and cause waste.
Summary of the invention
The invention provides a kind of driftage bearing slideway lubrication controlling method, device and driftage bearing lubrication system, to improve the lubrication effect of the slideway to driftage bearing, improve the working life of yaw system, avoid the waste of lubricant grease.
The invention provides a kind of driftage bearing slideway lubrication controlling method, comprising:
Obtain the current friction torque of driftage bearing, according to described current friction torque, generate current friction factor;
According to expection friction factor and described current friction factor, generate slideway lubricant grease amount;
According to described slideway lubricant grease amount, generate slideway lubricant grease control signal, described slideway lubricant grease control signal to add the lubricant grease of described slideway lubricant grease amount to the slideway of described driftage bearing in order to control driftage bearing lubrication actuator.
The invention provides a kind of driftage bearing slideway lubrication control device, comprising:
Current friction factor generation module, for obtaining the current friction torque of driftage bearing, according to described current friction torque, generates current friction factor;
Slideway lubricant grease amount generation module, for according to expection friction factor and described current friction factor, generates slideway lubricant grease amount;
Slideway control signal generation module, for according to described slideway lubricant grease amount, generate slideway lubricant grease control signal, described slideway lubricant grease control signal to add the lubricant grease of described slideway lubricant grease amount to the slideway of described driftage bearing in order to control driftage bearing lubrication actuator.
The invention provides a kind of driftage bearing lubrication system, comprising:
Driftage bearing slideway lubrication control device provided by the invention; And
Driftage bearing lubrication actuator, be connected with described driftage bearing slideway lubrication control device, to the slideway lubrication of driftage bearing under the control of the slideway lubricant grease control signal that described driftage bearing lubrication actuator generates at described driftage bearing slideway lubrication control device.
As shown from the above technical solution, driftage bearing slideway lubrication controlling method provided by the invention, device and driftage bearing lubrication system, according to current friction torque, generate current friction factor, according to expection friction factor and current friction factor, generate slideway lubricant grease amount, according to slideway lubricant grease amount, generate the slideway of slideway lubricant grease control signal control driftage bearing lubrication actuator to driftage bearing and lubricate.Because slideway lubricant grease amount generates according to the current friction factor of driftage bearing, the amount of the lubricant grease added for the slideway of the different driftage bearing of the degree of wear is also different, improve the lubrication effect to driftage bearing slideway, improve the working life of yaw system, avoid the waste of lubricant grease.
Accompanying drawing explanation
The driftage bearing slideway lubrication controlling method flow chart that Fig. 1 provides for the embodiment of the present invention;
The one driftage bearing slideway lubrication control device structural representation that Fig. 2 provides for the embodiment of the present invention;
The another kind driftage bearing slideway lubrication control device structural representation that Fig. 3 provides for the embodiment of the present invention;
The one driftage bearing lubrication system architecture schematic diagram that Fig. 4 provides for the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, in accompanying drawing or specification, similar or identical element all uses identical reference character.
The driftage bearing slideway lubrication controlling method flow chart that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the driftage bearing slideway lubrication controlling method that the present embodiment provides specifically can be applied to and control the lubrication of the driftage bearing of wind-driven generator, is mainly and controls the lubrication of the slideway of driftage bearing.The driftage bearing slideway lubrication controlling method that the present embodiment provides comprises:
The current friction torque of step 10, acquisition driftage bearing, according to current friction torque, generates current friction factor;
Concrete, the current friction torque of driftage bearing can obtain from the detection system of wind-driven generator, and detection system detects every the working order of Preset Time to wind-driven generator, generates and detects data, comprising the current friction torque of driftage bearing.According to current friction torque, generate current friction factor, current friction factor is in order to the degree of wear of instruction due to driftage the bearing yawing moment increased because lacking lubrication and bearing of going off course.
Step 20, according to expection friction factor and current friction factor, generate slideway lubricant grease amount;
Expection friction factor is specially the required expected value wearing and tearing of driftage bearing adjusted to, and according to expection friction factor and current friction factor, generates slideway lubricant grease amount, so that the friction factor of driftage bearing inner races is adjusted to expection friction factor.
Step 30, according to slideway lubricant grease amount, generate slideway lubricant grease control signal, slideway lubricant grease control signal to add the lubricant grease of slideway lubricant grease amount to the slideway of driftage bearing in order to control driftage bearing lubrication actuator.
Driftage bearing lubrication actuator is in order to realize lubricating the slideway of driftage bearing, driftage bearing lubrication actuator is under the control of slideway lubricating oil fat control signal, the inner races of driftage bearing adds the lubricant grease of slideway lubricant grease amount, to realize controlling the lubrication of the inner races of driftage bearing.This driftage bearing lubrication actuator specifically can comprise slideway lubrication module, slideway lubrication module comprises slideway lubricating grease pump and slideway lubricant grease tank, slideway lubricating grease pump is under the control of slideway lubricating oil fat control signal, from slideway lubricant grease tank, extract the lubricant grease of slideway lubricant grease amount, and grease is injected the inner races of driftage bearing.
The driftage bearing slideway lubrication controlling method that the present embodiment provides, according to current friction torque, generate current friction factor, according to expection friction factor and current friction factor, generate slideway lubricant grease amount, according to slideway lubricant grease amount, generate the slideway of slideway lubricant grease control signal control driftage bearing lubrication actuator to driftage bearing and lubricate.Because slideway lubricant grease amount generates according to the current friction factor of driftage bearing, the amount of the lubricant grease added for the slideway of the different driftage bearing of the degree of wear is also different, improve the lubrication effect to driftage bearing slideway, improve the working life of yaw system, avoid the waste of lubricant grease.
In the present embodiment, according to current friction torque in step 10, generate current friction factor, specifically comprise:
Apply the current friction factor ρ of following formulae discovery:
ρ = K 1 × [ f n - f 0 f 0 ] 2 ;
Wherein, K 1be the first scale factor, f nfor current friction torque, f 0for standard friction moment.
Concrete, standard friction moment f 0for the friction torque of standard yaw bearing preset, the first scale factor K 1specifically can set according to the performance parameter of the structural parameter of wind-driven generator self and lubricant grease.
In the present embodiment, step 20, according to expection friction factor and current friction factor, generates slideway lubricant grease amount, specifically can comprise the steps:
Step 201, the utilization rate obtaining driftage bearing and slideway lubricating efficiency;
The utilization rate of driftage bearing specifically can be determined according to the operating time of wind-driven generator, such as, a certain wind-driven generator running time in a year 365 days is 340 days, and remain and within 25 days, be all in maintenance or maintenance state, then the utilization rate of this wind-driven generator is 340/365=0.93.Slideway lubricating efficiency is concrete relevant with the performance parameter of lubricant grease, and the lubrication circumstances of the slideway to driftage bearing of the lubricant grease that can use according to reality is determined.
Step 202, apply following formulae discovery slideway lubricant grease amount γ 1:
γ 1 = K 2 × λ × [ K 3 × ρ - ρ e ρ e ] × [ K 4 η 1 ] ;
Wherein, K 2be the second scale factor, K 3be the 3rd scale factor, K 4be the 4th scale factor, λ is utilization rate, and ρ is current friction factor, ρ efor expection friction factor, η 1for slideway lubricating efficiency.
Second scale factor K 2, the 3rd scale factor K 3with the 4th scale factor K 4also all specifically can set according to the performance parameter of the structural parameter of wind-driven generator self and lubricant grease.In the actual moving process of wind-driven generator, the wearing and tearing due to wind driven generator yaw bearing cause the expection friction factor ρ of driftage bearing ecan increase gradually, so expection lubrication effect slightly can decline along with the increase of wind-driven generator working time, ρ ebe specifically as follows the initial friction factor ρ of driftage bearing 0with driftage bearing working time t function.
The one driftage bearing slideway lubrication control device structural representation that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the driftage bearing slideway lubrication control device that the present embodiment provides specifically can realize each step of above-mentioned driftage bearing slideway lubrication controlling method, and this repeats no more.In the process that the slideway of the driftage bearing to wind-driven generator lubricates, the driftage bearing slideway lubrication control device that can be provided by the present embodiment controls driftage bearing lubrication actuator, and timing adds lubricant grease to driftage bearing slideway.
The driftage bearing slideway lubrication control device that the present embodiment provides specifically comprises current friction factor generation module 11, slideway lubricant grease amount generation module 12 and slideway control signal generation module 13.Current friction factor generation module 11, for obtaining the current friction torque of driftage bearing, according to current friction torque, generates current friction factor.Slideway lubricant grease amount generation module 12, for according to expection friction factor and current friction factor, generates slideway lubricant grease amount.Slideway control signal generation module 13 is for according to slideway lubricant grease amount, generate slideway lubricant grease control signal, slideway lubricant grease control signal is in order to control the lubricant grease of driftage bearing lubrication actuator to the slideway interpolation slideway lubricant grease amount of driftage bearing.
The driftage bearing slideway lubrication control device that the present embodiment provides, by the setting of current friction factor generation module 11, according to current friction torque, generate current friction factor, slideway lubricant grease amount generates mould 12 pieces according to expection friction factor and current friction factor, generate slideway lubricant grease amount, slideway control signal generation module 13, according to slideway lubricant grease amount, generates the slideway of slideway lubricant grease control signal control driftage bearing lubrication actuator to driftage bearing and lubricates.Because slideway lubricant grease amount generates according to the current friction factor of driftage bearing, the amount of the lubricant grease added for the slideway of the different driftage bearing of the degree of wear is also different, improve the lubrication effect to driftage bearing slideway, improve the working life of yaw system, avoid the waste of lubricant grease.
The another kind driftage bearing slideway lubrication control device structural representation that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, in the present embodiment, current friction factor generation module 11 can also be used for applying the current friction factor ρ of following formulae discovery:
ρ = K 1 × [ f n - f 0 f 0 ] 2 ;
Wherein, K 1be the first scale factor, f nfor current friction torque, f 0for standard friction moment.
In the present embodiment, slideway lubricant grease amount generation module 12 specifically can comprise acquiring unit 121 and computing unit 122.Acquiring unit 121 is for obtaining utilization rate and the slideway lubricating efficiency of driftage bearing.Computing unit 122 is for applying following formulae discovery slideway lubricant grease amount γ 1:
γ 1 = K 2 × λ × [ K 3 × ρ - ρ e ρ e ] × [ K 4 η 1 ] ;
Wherein, K 2be the second scale factor, K 3be the 3rd scale factor, K 4be the 4th scale factor, λ is utilization rate, and ρ is current friction factor, ρ efor expection friction factor, η 1for slideway lubricating efficiency.
The one driftage bearing lubrication system architecture schematic diagram that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the driftage bearing lubrication system that the present embodiment provides can realize each step of the driftage bearing slideway lubrication controlling method that any embodiment of the present invention provides, and this repeats no more.
The driftage bearing lubrication system that the present embodiment provides comprises the driftage bearing slideway lubrication control device 21 and driftage bearing lubrication actuator 22 that any embodiment of the present invention provides, driftage bearing lubrication actuator 22 is connected with driftage bearing slideway lubrication control device 21, the slideway lubrication of driftage bearing lubrication actuator 22 to driftage bearing under the control of the slideway lubricant grease control signal of driftage bearing slideway lubrication control device 21 generation.
The driftage bearing lubrication system that this enforcement provides, by the setting of driftage bearing slideway lubrication control device, generate the slideway of slideway lubricant grease control signal control driftage bearing lubrication actuator to driftage bearing according to the real-world operation situation of driftage bearing and lubricate.The amount of the lubricant grease added for the slideway of the different driftage bearing of the degree of wear is also different, improves the lubrication effect to driftage bearing slideway, improves the working life of yaw system, avoid the waste of lubricant grease.
In the present embodiment, driftage bearing lubrication actuator comprises slideway lubricating grease pump and slideway lubricant grease tank.Slideway lubricating grease pump is connected with driftage bearing slideway lubrication control device, slideway lubricant grease tank is connected with slideway lubricating grease pump, slideway lubricating grease pump is under the control of the slideway lubricant grease control signal of driftage bearing slideway lubrication control device generation, from slideway lubricant grease tank, extract lubricant grease, and be added in the slideway of driftage bearing.
Last it is noted that above embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.

Claims (4)

1. bearing slideway lubrication of a going off course controlling method, is characterized in that, comprising:
Obtain the current friction torque of driftage bearing, according to described current friction torque, generate current friction factor;
According to expection friction factor and described current friction factor, generate slideway lubricant grease amount;
According to described slideway lubricant grease amount, generate slideway lubricant grease control signal, described slideway lubricant grease control signal to add the lubricant grease of described slideway lubricant grease amount to the slideway of described driftage bearing in order to control driftage bearing lubrication actuator;
Described according to current friction torque, generate current friction factor, comprising:
Apply current friction factor ρ described in following formulae discovery:
ρ = K 1 × [ f n - f 0 f 0 ] 2 ;
Wherein, K 1be the first scale factor, f nfor described current friction torque, f 0for standard friction moment;
Described according to expection friction factor and described current friction factor, generate slideway lubricant grease amount, comprising:
Obtain utilization rate and the slideway lubricating efficiency of described driftage bearing;
Apply following formulae discovery slideway lubricant grease amount γ 1:
γ 1 = K 2 × λ × [ K 3 × ρ - ρ e ρ e ] × [ K 4 η 1 ] ;
Wherein, K 2be the second scale factor, K 3be the 3rd scale factor, K 4be the 4th scale factor, λ is described utilization rate, and ρ is described current friction factor, ρ efor described expection friction factor, η 1for described slideway lubricating efficiency.
2. a driftage bearing slideway lubrication control device, is characterized in that, comprising:
Current friction factor generation module, for obtaining the current friction torque of driftage bearing, according to described current friction torque, generates current friction factor;
Slideway lubricant grease amount generation module, for according to expection friction factor and described current friction factor, generates slideway lubricant grease amount;
Slideway control signal generation module, for according to described slideway lubricant grease amount, generate slideway lubricant grease control signal, described slideway lubricant grease control signal to add the lubricant grease of described slideway lubricant grease amount to the slideway of described driftage bearing in order to control driftage bearing lubrication actuator;
Described current friction factor generation module, also for applying current friction factor ρ described in following formulae discovery:
ρ = K 1 × [ f n - f 0 f 0 ] 2 ;
Wherein, K 1be the first scale factor, f nfor described current friction torque, f 0for standard friction moment;
Described slideway lubricant grease amount generation module comprises:
Acquiring unit, for obtaining utilization rate and the slideway lubricating efficiency of described driftage bearing;
Computing unit, for applying following formulae discovery slideway lubricant grease amount γ 1:
γ 1 = K 2 × λ × [ K 3 × ρ - ρ e ρ e ] × [ K 4 η 1 ] ;
Wherein, K 2be the second scale factor, K 3be the 3rd scale factor, K 4be the 4th scale factor, λ is described utilization rate, and ρ is described current friction factor, ρ efor described expection friction factor, η 1for described slideway lubricating efficiency.
3. a driftage bearing lubrication system, is characterized in that, comprising:
Driftage bearing slideway lubrication control device as claimed in claim 2; And
Driftage bearing lubrication actuator, be connected with described driftage bearing slideway lubrication control device, to the slideway lubrication of driftage bearing under the control of the slideway lubricant grease control signal that described driftage bearing lubrication actuator generates at described driftage bearing slideway lubrication control device.
4. driftage bearing lubrication system according to claim 3, is characterized in that: described driftage bearing lubrication actuator comprises slideway lubricating grease pump and slideway lubricant grease tank;
Described slideway lubricating grease pump is connected with described driftage bearing slideway lubrication control device, described slideway lubricant grease tank is connected with described slideway lubricating grease pump, under the control of the slideway lubricant grease control signal that described slideway lubricating grease pump generates at described driftage bearing slideway lubrication control device, from described slideway lubricant grease tank, extract lubricant grease, and be added in the slideway of driftage bearing.
CN201110222414.5A 2011-08-04 2011-08-04 Control method and device for lubrication of sliding way of yaw bearing and yaw bearing lubrication system Active CN102913731B (en)

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CN106649982B (en) * 2016-11-08 2020-05-08 大连工业大学 Method for calculating friction torque of large-cone-angle conical main bearing of wind driven generator

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