CN220726494U - Automatic lubrication system for variable-pitch bearing of wind generating set - Google Patents
Automatic lubrication system for variable-pitch bearing of wind generating set Download PDFInfo
- Publication number
- CN220726494U CN220726494U CN202322555241.XU CN202322555241U CN220726494U CN 220726494 U CN220726494 U CN 220726494U CN 202322555241 U CN202322555241 U CN 202322555241U CN 220726494 U CN220726494 U CN 220726494U
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- China
- Prior art keywords
- distributor
- pitch bearing
- lubrication
- generating set
- main control
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- 238000005461 lubrication Methods 0.000 title claims abstract description 69
- 239000004519 grease Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000001050 lubricating effect Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 19
- 230000000750 progressive effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 15
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model belongs to the technical field of generator lubrication, and particularly relates to an automatic lubrication system for a variable pitch bearing of a wind generating set, which comprises a lubrication pump, a distributor and a control module, wherein the lubrication pump is connected with the distributor through a connecting pipe, and a plurality of grease injection pipes are arranged on the distributor; the control module comprises a main control IC and a blockage detection sensor, the main control IC is connected with the lubricating pump through an electrical control loop, the main control IC is electrically connected with the blockage detection sensor, and the blockage detection sensor is arranged on the distributor. The main control IC controls the operation of the lubrication pump to lubricate the variable-pitch bearing of the wind generating set through the electrical control loop, and can control the oil injection quantity, the blockage detection sensor forms a blockage fault monitoring point of the distributor, the labor intensity and the maintenance cost of operation and maintenance personnel are reduced, the phenomenon of under lubrication or over lubrication of the variable-pitch bearing is avoided, the lubrication efficiency is improved, and the stable operation of the wind generating set is promoted.
Description
Technical Field
The utility model belongs to the technical field of generator lubrication, and particularly relates to an automatic lubrication system for a variable pitch bearing of a wind generating set.
Background
With the development of bearing technology, the pitch bearing grease lubrication technology of the wind generating set is rapidly improved, and the pitch bearings of the novel wind generating set are all provided with an automatic lubrication system or a semi-automatic lubrication system for re-lubrication. The novel wind generating set automatic lubrication system is a timing fixed-point quantitative lubrication mechanism and is weakly associated with the operation state of the variable pitch bearing, so that the lubrication effect is poor, the abnormal abrasion condition of the variable pitch bearing is difficult to control, and the service life of the variable pitch bearing is adversely affected.
The existing variable pitch bearing of the wind generating set lacks an automatic lubrication system in daily lubrication maintenance, grease still needs to be manually supplemented, the problem that operation and maintenance personnel have high labor intensity and high maintenance cost and low working efficiency exists in manual grease supplement, the problem that the wind generating set is provided with a lubrication system at present, although the working efficiency is improved to a certain extent, the lubricity of the wind generating set is guaranteed, the existing lubrication system is difficult to discover timely when a few faults occur, such as the blockage of a grease injection pipeline, the grease supplement of part of the bearings cannot be carried out, excessive grease supplement of other bearings overflows, the phenomenon of under lubrication or over lubrication of the variable pitch bearing is caused, the abnormal abrasion of the variable pitch bearing is caused due to the under lubrication, the condition that the grease overflows possibly occurs, the environment is polluted by the overflow grease is volatilized, short circuit is easy to be caused on electronic components, even fire disaster hidden danger is caused, and the safe, efficient and reliable operation of the wind generating set is seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an automatic lubrication system for a variable pitch bearing of a wind generating set, which reduces the labor intensity and the maintenance cost of operation and maintenance personnel and avoids the phenomenon of under lubrication or over lubrication of the variable pitch bearing.
The utility model provides an automatic lubrication system for a variable pitch bearing of a wind generating set, which comprises the following components: the lubricating device comprises a lubricating pump, a distributor and a control module, wherein the lubricating pump is connected with the distributor through a connecting pipe, and a plurality of grease injecting pipes are arranged on the distributor; the control module comprises a main control IC and a blockage detection sensor, wherein the main control IC is connected with the lubricating pump through an electrical control loop, the main control IC is electrically connected with the blockage detection sensor, and the blockage detection sensor is arranged on the distributor.
Optionally, the lubricating pump comprises a pump body and an oil storage tank, wherein a plurality of liquid level sensors are arranged in the oil storage tank and are electrically connected with the main control IC.
Optionally, a liquid level alarm is arranged on the oil storage tank, and the liquid level alarm is electrically connected with the main control IC.
Optionally, two ends of the grease injection pipe are provided with a second quick connector, and two ends of the grease injection pipe are respectively connected with the distributor and the bearing grease injection port through the second quick connector.
Optionally, the fat injection tube is a high-pressure hose.
Alternatively, the dispenser is a USP type progressive dispenser.
Optionally, the two ends of the connecting pipe are provided with a first quick connector, and the two ends of the connecting pipe are respectively connected with the outlet of the lubricating pump and the inlet of the distributor through the first quick connector.
Optionally, an outlet of the lubricating pump is provided with a solenoid valve.
The utility model has the advantages that the main control IC controls the operation of the lubricating pump to lubricate the variable pitch bearing of the wind generating set through the electric control loop, the oil injection quantity can be controlled, the blockage detection sensor forms a blockage fault monitoring point of the distributor, the blockage information of the distributor loop can be monitored, the monitored blockage information is fed back to the main control IC, then the main control IC monitors the operation state of the automatic lubricating system in real time based on the information fed back by the blockage detection sensor, the blockage problem is found in time, and the operation and maintenance personnel are immediately notified, and then the operation and maintenance personnel can timely handle the blockage on site, so that the self-lubricating system is recovered to be normal without regular high-intensity maintenance, thereby the labor intensity and the maintenance cost of the operation and maintenance personnel are reduced, the occurrence of the phenomenon of the lubrication or the over lubrication of the variable pitch bearing is avoided, the lubrication efficiency is improved, the abnormal abrasion of the variable pitch bearing is reduced, the service life of the variable pitch bearing is prolonged, and the stable operation of the wind generating set is promoted.
Drawings
Fig. 1 is a schematic structural view of an automatic lubrication system according to the present utility model.
In the figure: 10. a lubrication pump; 11. a pump body; 12. an oil storage tank; 13. a liquid level alarm; 14. an electromagnetic valve; 20. a dispenser; 31. a master control IC; 32. a jam detection sensor; 33. a liquid level sensor; 40. a connecting pipe; 41. a first quick connector; 50. a fat injection tube; 51. and a second quick connector.
Detailed Description
As shown in fig. 1, the automatic lubrication system for a variable pitch bearing of a wind generating set provided by the embodiment of the utility model includes: the lubrication system comprises a lubrication pump 10, a distributor 20 and a control module, wherein the lubrication pump 10 is connected with the distributor 20 through a connecting pipe 40, and a plurality of grease injecting pipes 50 are arranged on the distributor 20; the control module includes a main control IC 31 and a jam detection sensor 32, the main control IC 31 is connected with the lubrication pump 10 through an electrical control loop, the main control IC 31 is electrically connected with the jam detection sensor 32, and the jam detection sensor 32 is disposed on the dispenser 20.
Compared with the prior art, the automatic lubrication system for the variable-pitch bearing of the wind generating set is characterized in that the main control IC 31 controls the lubrication pump 10 to operate to lubricate the variable-pitch bearing of the wind generating set through the electric control loop, the oil injection quantity can be controlled, the blockage detection sensor 32 forms a blockage fault monitoring point of the distributor 20, the blockage information of the loop of the distributor 20 can be monitored, the monitored blockage information is fed back to the main control IC 31, then the main control IC 31 monitors the operation state of the automatic lubrication system in real time based on the information fed back by the blockage detection sensor 32, timely discovers blockage problems and immediately informs operation staff, and then the operation staff can timely process blockage on site, so that the self-lubrication system is normal without regular high-strength maintenance, the labor intensity and the maintenance cost of the operation staff are reduced, the occurrence of under lubrication or over lubrication phenomena of the variable-pitch bearing is avoided, the lubrication efficiency is improved, the abnormal abrasion of the variable-pitch bearing is reduced, the service life of the variable-pitch bearing is prolonged, and the stable operation of the wind generating set is promoted.
In this embodiment, the lubrication pump 10 includes a pump body 11 and an oil tank 12, where a plurality of liquid level sensors 33 are disposed in the oil tank 12, and the liquid level sensors 33 are electrically connected with a main control IC 31.
Specifically, the liquid level sensor 33 constitutes a liquid level fault monitoring point for monitoring liquid level information in the oil storage tank 12 and feeding back a liquid level signal of the grease to the main control IC 31. When the lubrication system is blocked, the grease injection amount of the lubrication pump 10 is reduced during the operation of grease injection, and the abnormality can be known through the grease liquid level information fed back by the liquid level sensor 33, so that the blocking fault is judged.
In this embodiment, a liquid level alarm 13 is disposed on the oil tank 12, and the liquid level alarm 13 is electrically connected to the main control IC 31.
Specifically, the main control IC 31 gives a warning, such as an audible and visual warning, to prompt an operator to supplement grease when the level of grease in the oil storage tank 12 of the lubricating pump 10 is on a warning line according to the level information of the grease in the oil storage tank 12 fed back by the level sensor 33.
In this embodiment, two ends of the grease injecting tube 50 are provided with a second quick connector 51, and two ends of the grease injecting tube 50 are respectively connected with the dispenser 20 and the bearing grease injecting port through the second quick connector 51, so that the automatic lubrication system can be quickly connected with the bearing grease injecting port during installation, and the grease injecting tube is convenient to detach during maintenance.
In this embodiment, the grease filling pipe 50 is a high-pressure hose, and thus, can be arranged at will according to the installation place; of course, in some embodiments, the grease tube 50 may be a metal tube.
In this embodiment, the dispenser 20 is a USP type progressive dispenser with an outlet check valve built in the USP type progressive dispenser to ensure accurate and consistent lubricant fill per time, and can also be used with standard MSP magnetic and electronic proximity switch cycle indicators to provide positive assurance of successful lubrication.
In some embodiments, the dispenser 20 may also be an LSV-type progressive dispenser or an MD-type progressive dispenser, and may be specifically selected as desired.
In this embodiment, the two ends of the connecting pipe 40 are provided with the first quick connector 41, and the two ends of the connecting pipe 40 are respectively connected with the outlet of the lubrication pump 10 and the inlet of the distributor 20 through the first quick connector 41. In this manner, the lubrication pump 10 and the dispenser 20 can be quickly connected or disconnected.
In this embodiment, the outlet of the lubrication pump 10 is provided with the electromagnetic valve 14, wherein the electromagnetic valve 14 is electrically connected with the main control IC 31, and the electromagnetic valve 14 can be opened and closed by the main control IC 31 according to the oil injection timing; of course, the opening and closing can be operated on the man-machine interaction interface manually.
The automatic lubrication system comprises a man-machine interaction interface, a manual control mode can be entered through the man-machine interaction interface, the start and stop of the automatic lubrication system can be controlled remotely and manually, and the controllability and the flexibility of the automatic lubrication system are ensured when special conditions occur.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to imply that the scope of the present application is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the application, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.
One or more embodiments herein are intended to embrace all such alternatives, modifications and variations that fall within the broad scope of the present application. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments in the present application, are therefore intended to be included within the scope of the present application.
Claims (8)
1. The utility model provides a wind generating set becomes oar bearing automatic lubrication system which characterized in that includes: the lubricating device comprises a lubricating pump (10), a distributor (20) and a control module, wherein the lubricating pump (10) is connected with the distributor (20) through a connecting pipe (40), and a plurality of grease injecting pipes (50) are arranged on the distributor (20); the control module comprises a main control IC (31) and a blockage detection sensor (32), wherein the main control IC (31) is connected with the lubricating pump (10) through an electrical control loop, the main control IC (31) is electrically connected with the blockage detection sensor (32), and the blockage detection sensor (32) is arranged on the distributor (20).
2. The automatic lubrication system for the variable-pitch bearing of the wind generating set according to claim 1, wherein the lubrication pump (10) comprises a pump body (11) and an oil storage tank (12), a plurality of liquid level sensors (33) are arranged in the oil storage tank (12), and the liquid level sensors (33) are electrically connected with a main control IC (31).
3. The automatic lubrication system for the variable-pitch bearing of the wind generating set according to claim 2, wherein a liquid level alarm (13) is arranged on the oil storage tank (12), and the liquid level alarm (13) is electrically connected with the main control IC (31).
4. The automatic lubrication system for the variable-pitch bearing of the wind generating set according to claim 1, wherein two ends of the grease injection pipe (50) are provided with a second quick connector (51), and two ends of the grease injection pipe (50) are respectively connected with the distributor (20) and the bearing grease injection port through the second quick connector (51).
5. The automatic lubrication system for a pitch bearing of a wind turbine according to claim 1, wherein the grease injection pipe (50) is a high pressure hose.
6. The wind turbine generator system pitch bearing self-lubrication system of claim 1, wherein said dispenser (20) is a USP type progressive dispenser.
7. The automatic lubrication system for the variable pitch bearing of the wind generating set according to claim 1, wherein a first quick connector (41) is arranged at two ends of the connecting pipe (40), and two ends of the connecting pipe (40) are respectively connected with an outlet of the lubrication pump (10) and an inlet of the distributor (20) through the first quick connector (41).
8. The automatic lubrication system for a pitch bearing of a wind turbine generator system according to claim 1, wherein an outlet of the lubrication pump (10) is provided with a solenoid valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322555241.XU CN220726494U (en) | 2023-09-20 | 2023-09-20 | Automatic lubrication system for variable-pitch bearing of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322555241.XU CN220726494U (en) | 2023-09-20 | 2023-09-20 | Automatic lubrication system for variable-pitch bearing of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726494U true CN220726494U (en) | 2024-04-05 |
Family
ID=90485466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322555241.XU Active CN220726494U (en) | 2023-09-20 | 2023-09-20 | Automatic lubrication system for variable-pitch bearing of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726494U (en) |
-
2023
- 2023-09-20 CN CN202322555241.XU patent/CN220726494U/en active Active
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| GR01 | Patent grant |