CN117588373A - Bearing lubrication flushing system - Google Patents
Bearing lubrication flushing system Download PDFInfo
- Publication number
- CN117588373A CN117588373A CN202311538963.2A CN202311538963A CN117588373A CN 117588373 A CN117588373 A CN 117588373A CN 202311538963 A CN202311538963 A CN 202311538963A CN 117588373 A CN117588373 A CN 117588373A
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- China
- Prior art keywords
- flushing
- bearing
- bearing cavity
- oil
- grease
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 166
- 238000005461 lubrication Methods 0.000 title claims abstract description 42
- 239000004519 grease Substances 0.000 claims abstract description 147
- 238000004140 cleaning Methods 0.000 claims abstract description 102
- 238000002347 injection Methods 0.000 claims abstract description 64
- 239000007924 injection Substances 0.000 claims abstract description 64
- 239000002699 waste material Substances 0.000 claims abstract description 45
- 230000001050 lubricating effect Effects 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007443 liposuction Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 159
- 238000005406 washing Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a bearing lubrication flushing system, and relates to the technical field of wind power generation. The bearing lubrication flushing system comprises: a flushing unit selectively communicated with the bearing cavity and used for conveying cleaning oil into the bearing cavity; the temperature control assembly is arranged on the flushing unit and used for heating the cleaning oil fed into the bearing cavity; the bearing temperature detector is arranged on the bearing and used for detecting the temperature value in the bearing cavity; the oil return unit is selectively communicated with the bearing cavity and is used for recovering the cleaning oil after the bearing cavity is cleaned; the grease injection unit is selectively communicated with the bearing cavity and is used for conveying grease into the bearing cavity; and the control unit is in signal connection with the bearing thermometer, the flushing unit and the grease injection unit and is used for controlling the actions of the flushing unit and the grease injection unit according to the temperature value in the bearing cavity. The bearing lubrication flushing system solves the problem of bearing abrasion aggravation caused by incomplete cleaning of waste lubricating grease in the bearing cavity of the wind turbine generator in the prior art, and improves cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a bearing lubrication flushing system.
Background
The reliability and the service life of the main shaft bearing of the wind turbine generator are used as a key ring of a transmission chain of the whole machine, the stable operation of the whole machine is directly influenced, and whether the lubrication state of the main shaft bearing of the wind turbine generator is good or not is closely related to the service life of the bearing. Because the grease has strong adhesiveness, is not lost by gravity, and can fill the cavity of the whole bearing, the main shaft bearing mostly adopts the grease lubrication mode.
However, due to the characteristics of lubricating grease, after long-term operation, grease deposition, oil separation and hardening are easy to occur at the position of the bearing close to the sealing end cover, the discharge of waste grease is further affected, the filling amount of new grease is reduced, the aging of the new grease is accelerated, poor lubrication of the bearing is caused, the abrasion of the bearing is accelerated, but the traditional cleaning mode is generally used for manually cleaning the waste grease inside, and the cleaning is time-consuming and labor-consuming and is not thorough.
Accordingly, there is a need for an apparatus that solves at least one of the above problems.
Disclosure of Invention
The embodiment of the invention aims to provide a bearing lubrication flushing system which is used for solving the problem of bearing abrasion aggravation caused by incomplete cleaning of waste lubricating grease in a bearing cavity of a wind turbine generator in the prior art.
In order to achieve the above object, the present invention provides a bearing lubrication flushing system for cleaning hardened waste grease in a bearing cavity of a bearing and injecting grease into the bearing cavity, the bearing lubrication flushing system comprising:
a flushing unit selectively communicated with the bearing cavity and used for conveying cleaning oil into the bearing cavity;
the temperature control assembly is arranged on the flushing unit and used for heating the cleaning oil fed into the bearing cavity;
the bearing temperature detector is arranged on the bearing and used for detecting the temperature value in the bearing cavity;
the oil return unit is selectively communicated with the bearing cavity and is used for recovering the cleaning oil after the bearing cavity is cleaned;
the grease injection unit is selectively communicated with the bearing cavity and is used for conveying grease into the bearing cavity;
and the control unit is in signal connection with the bearing thermometer, the flushing unit and the fat injection unit and is used for controlling the actions of the flushing unit and the fat injection unit according to the temperature value in the bearing cavity.
Specifically, the flushing unit includes: the flushing device comprises a flushing pump, a flushing pipeline, an oil inlet valve and an oil storage tank;
the flushing pipeline is provided with a flushing inlet and a flushing outlet, the flushing inlet of the flushing pipeline is connected with the oil outlet of the flushing pump, and the flushing outlet of the flushing pipeline is communicated with the bearing cavity;
the oil storage tank is used for storing cleaning oil;
the flushing pump pumps the cleaning oil in the oil storage tank into the bearing cavity through the flushing pipeline;
the oil inlet valve is arranged on the flushing pipeline and is used for controlling the flushing oil to flow or be static in the flushing pipeline;
the control unit is connected with the flushing pump and the oil inlet valve in a signal manner and is used for controlling the start and stop of the flushing pump and the opening and closing of the oil inlet valve according to the temperature value in the bearing cavity.
Specifically, the flushing unit further comprises: the filter is arranged at the oil inlet of the flushing pump and is used for filtering the cleaning oil pumped into the bearing cavity by the flushing pump.
Specifically, the temperature control assembly includes: a temperature control box and a heating rod;
the temperature control box is internally provided with temperature control liquid, and the flushing pipeline is communicated with the bearing cavity through the temperature control box and is provided with a built-in pipe section arranged in the temperature control box;
the heating rod is arranged in the temperature control box and is used for heating temperature control liquid in the temperature control box so as to heat cleaning oil in the built-in pipe section of the flushing pipeline.
Specifically, the temperature control assembly further comprises: and the oil temperature gauge is arranged on the flushing pipeline and is used for detecting the temperature of the flushing oil fed into the bearing cavity.
Specifically, the oil return unit includes: the oil return valve, the oil return pipeline and the oil return box;
the oil return pipeline is provided with an oil return inlet and an oil return outlet, the oil return inlet is communicated with the bearing cavity, the oil return outlet is communicated with the oil return box, and the oil return box is used for recovering cleaning oil after the bearing cavity is cleaned;
the oil return valve is arranged on the oil return pipeline and is used for controlling the cleaning oil after the bearing cavity is cleaned to flow or be static in the oil return pipeline;
the control unit is also connected with the oil return valve in a signal manner and used for controlling the opening and closing of the oil return valve.
Specifically, the fat injection unit includes: a fat injection pump and a fat injection pipeline;
the grease injection pipeline is communicated with the bearing cavity;
the grease injection pump is communicated with the grease injection pipeline and is used for pumping grease into the bearing cavity through the grease injection pipeline;
the control unit is in signal connection with the fat injection pump and is used for controlling the start and stop of the fat injection pump.
Specifically, the fat injection unit further comprises: and the grease filling dispenser is arranged at a grease outlet of the grease filling pump and is used for dispensing the amount of grease pumped into the bearing cavity.
Specifically, the bearing lubrication flushing system further comprises: and the recovery unit is selectively communicated with the bearing cavity and is used for recovering waste lubricating grease in the bearing cavity.
Specifically, the recovery unit includes: a grease pump, a grease pumping pipeline and a waste grease recovery box;
the grease pump is communicated with the bearing cavity through the grease pumping pipeline and is used for pumping waste grease in the bearing cavity;
the waste grease recovery box is used for recovering waste grease.
According to the bearing lubrication flushing system provided by the invention, the flushing unit is used for conveying the flushing oil into the bearing cavity of the bearing, and the temperature control assembly is used for heating the flushing oil conveyed into the bearing cavity, so that the dissolution of the flushing oil to hardened waste lubricating grease in the bearing cavity is quickened, the cleaning effect is improved, the flushing oil in the bearing cavity is recovered through the oil return unit after the cleaning of the bearing cavity is finished, new lubricating grease is conveyed into the bearing cavity through the grease injection unit for lubricating and maintaining the bearing, and the control unit is used for controlling the actions of the flushing unit and the grease injection unit in order to facilitate the cleaning of the bearing by staff. The bearing lubrication flushing system provided by the invention can clean hardening of waste grease in the bearing cavity without disassembling the bearing, reduces the strength and difficulty of cleaning the waste grease by staff, solves the problem of bearing abrasion aggravation caused by incomplete cleaning of the waste grease in the bearing cavity of the wind turbine generator in the prior art, and improves the cleaning efficiency.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain, without limitation, the embodiments of the invention. In the drawings:
FIG. 1 is a schematic layout of a bearing lubrication flushing system provided by the present invention;
FIG. 2 is a schematic layout of a flushing unit in a bearing lubrication flushing system according to the present invention;
FIG. 3 is a schematic layout of a grease injection unit in the bearing lubrication flushing system provided by the present invention;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
fig. 5 is a schematic structural diagram of a temperature control assembly in a bearing lubrication flushing system provided by the invention.
Description of the reference numerals
1-a flushing unit; 2-a temperature control assembly; 3-a bearing thermometer; 4-an oil return unit; 5-a fat injection unit; 6-a recovery unit; 7-a control unit; 11-a flushing pump 12-a flushing pipeline; 13-an oil inlet valve; 14-an oil storage tank; 15-a filter; 21-a temperature control box; 22-an oil temperature gauge; 41-an oil return valve; 42-an oil return pipeline; 43-oil return tank; 52-a grease injection pipeline; 53-venting the cylinder; 54-grease dispenser; 61-a liposuction pump; 62-a liposuction pipeline; 63-waste grease recovery box.
Detailed Description
The following describes the detailed implementation of the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
FIG. 1 is a schematic layout of a bearing lubrication flushing system; FIG. 2 is a schematic layout of a flushing unit in a bearing lubrication flushing system; FIG. 3 is a schematic layout of a grease injection unit in a bearing lubrication flushing system; FIG. 4 is a cross-sectional view of A-A of FIG. 3; fig. 5 is a schematic structural view of a temperature control assembly in a bearing lubrication flushing system.
As shown in fig. 1 to 5, the present invention provides a bearing lubrication flushing system for cleaning hardened waste grease in a bearing cavity of a bearing and injecting grease into the bearing cavity, the bearing lubrication flushing system comprising:
a flushing unit 1 which is selectively communicated with the bearing cavity and is used for conveying cleaning oil into the bearing cavity;
a temperature control assembly 2 arranged on the flushing unit 1 and used for heating the cleaning oil fed into the bearing cavity;
the bearing thermometer 3 is arranged on the bearing and is used for detecting the temperature value in the bearing cavity;
the oil return unit 4 is selectively communicated with the bearing cavity and is used for recovering the cleaning oil after the bearing cavity is cleaned;
the grease injection unit 5 is selectively communicated with the bearing cavity and is used for conveying grease into the bearing cavity;
and the control unit 7 is in signal connection with the bearing thermometer 3, the flushing unit 1 and the fat injection unit 5 and is used for controlling the actions of the flushing unit 1 and the fat injection unit 5 according to the temperature value in the bearing cavity.
According to the bearing lubrication flushing system provided by the invention, the control unit 7 controls the flushing unit 1 and the grease injection unit 4 to act through the temperature value in the bearing cavity detected by the bearing thermometer 3, the bearing thermometer 3 detects the temperature value in the bearing cavity, when the detected temperature value is at the first temperature threshold, the first temperature threshold is 60-65 ℃, and the temperature in the bearing cavity is too high, at the moment, the bearing is high temperature due to the fact that hardened waste grease in the bearing cavity repeatedly participates in lubrication of a bearing raceway, bearing abrasion is accelerated, when the temperature value in the bearing cavity is at the first temperature threshold, the control unit 7 controls the grease injection unit 4 to stop grease injection, and the flushing unit 1 is started to convey cleaning oil to the bearing cavity so as to clean and dissolve the waste grease in the bearing cavity; in order to accelerate the dissolution speed of the waste lubricating grease, the temperature control component 2 is used for heating the cleaning oil fed into the bearing cavity, so that the temperature of the cleaning oil is increased, the cleaning oil entering the bearing cavity can dissolve the waste lubricating grease more quickly, the waste lubricating grease is conveniently discharged from the bearing cavity, and the cleaning efficiency is improved; when the temperature value in the bearing cavity is smaller than the first temperature threshold value, the temperature in the bearing cavity is normal, the control unit 7 controls the flushing unit 1 to stop conveying cleaning oil into the bearing cavity, and simultaneously controls the grease injection unit 5 to start so as to normally inject new lubricating grease into the bearing cavity; after the washing unit 1 finishes washing the bearing cavity, washing oil fed into the bearing cavity is recovered by the oil return unit 4, the temperature in the washed bearing cavity is reduced, the control unit 7 controls the washing unit 1 to stop washing, and controls the grease injection unit 5 to start so as to inject new lubricating grease into the bearing cavity.
In one embodiment, as shown in fig. 1, the flushing unit 1 comprises: a flushing pump 11, a flushing pipeline 12, an oil inlet valve 13 and an oil storage tank 14;
the flushing pipeline 12 is provided with a flushing inlet and a flushing outlet, the flushing inlet of the flushing pipeline 12 is connected with the oil outlet of the flushing pump 11, and the flushing outlet of the flushing pipeline 12 is communicated with the bearing cavity;
the oil storage tank 14 is used for storing cleaning oil;
the flushing pump 11 pumps the cleaning oil in the oil storage tank 14 into the bearing cavity through a flushing pipeline 12;
the oil inlet valve 13 is arranged on the flushing pipeline 12 and is used for controlling the flow or the rest of the flushing oil in the flushing pipeline 12;
the control unit 7 is connected with the flushing pump 11 and the oil inlet valve 13 in a signal manner and is used for controlling the starting and stopping of the flushing pump 11 and the opening and closing of the oil inlet valve 13 according to the temperature value in the bearing cavity.
The flushing unit 1 further comprises: and the filter 15 is arranged at the oil inlet of the flushing pump 11 and is used for filtering the cleaning oil pumped into the bearing cavity by the flushing pump 11.
In the application, a plurality of flushing pipelines 12 can be arranged, each flushing pipeline 12 can be provided with a plurality of flushing outlets, the flushing pump 12 can simultaneously convey the cleaning oil in the oil storage tank 14 into the bearing cavities of a plurality of bearings through the plurality of flushing pipelines 12, in order to ensure that the cleaning oil conveyed into the bearing cavities is clean, a filter 15 is arranged at the oil inlet port of the flushing pump 11, thus, when the flushing pump 11 sucks the cleaning oil in the oil storage tank 14, the cleaning oil is filtered by the filter 15, impurities in the cleaning oil are filtered through the filter 15, then the flushing pump 11 pumps the filtered cleaning oil into different bearing cavities, a plurality of oil ports are preset on the bearings, the preset oil ports on the bearings can be selectively used as the cleaning oil inlet, the cleaning oil outlet, the lubricating oil inlet and the lubricating oil outlet, when an oil port on the bearing is used as a cleaning oil inlet, the oil port is correspondingly communicated with a plurality of flushing outlets of the flushing pipelines 12, so that the cleaning oil can enter the bearing cavity through the oil ports at different positions, waste grease deposited in the bearing cavity can be cleaned without dead angles, an oil inlet valve 13 is arranged at the flushing outlet of each flushing pipeline 12, the oil inlet valve 13 is controlled to be opened or closed through a control unit 7, the cleaning oil of each flushing outlet can be independently controlled to enter the bearing cavity through the corresponding oil port, and when the bearing thermometer 3 detects that the temperature value in the bearing cavity is a first temperature threshold value, the control unit 7 controls the flushing pump 11 to be started so as to pump the cleaning oil into the bearing cavity to clean the bearing cavity, and at the moment, the oil inlet valve 13 is opened so that the cleaning oil can smoothly enter the bearing cavity through the flushing pipelines 12.
In order to improve the cleaning effect of the cleaning oil, the temperature control assembly 2 includes: a temperature control box 21 and a heating rod;
the temperature control box 21 is internally provided with temperature control liquid, and the flushing pipeline 12 is communicated with the bearing cavity through the temperature control box 21 and is provided with an internal pipe section arranged in the temperature control box 21;
the heating rod is arranged in the temperature control box 21 and is used for heating temperature control liquid in the temperature control box 21 so as to heat cleaning oil in the built-in pipe section of the flushing pipeline 12.
The heating rods are arranged on the inner wall of the temperature control box 21, so that the temperature control liquid in the temperature control box 21 is heated through the heating rods, the part of the flushing pipeline 12 placed in the temperature control box 21 is a built-in pipe section, the cleaning oil exchanges heat with the temperature control liquid in the temperature control box 21 when flowing to the built-in pipe section in the flushing pipeline 12, the cleaning oil flowing to the built-in pipe section is heated through the temperature control liquid, the heated cleaning oil enters into each bearing cavity to dissolve and remove waste lubricating grease in the bearing cavity, the temperature of the cleaning oil entering into the bearing cavity is improved, the dissolution speed of the waste lubricating grease is accelerated, and meanwhile the bearing cavity can be cleaned better.
In order to facilitate the staff to know the temperature of the cleaning oil heated by the temperature control assembly 2, the temperature control assembly 2 further comprises: an oil temperature gauge 22 is provided on the flushing line 12 for detecting the temperature of the flushing oil fed into the bearing chamber. After knowing the temperature of the cleaning oil, the temperature of the cleaning oil is ensured to be kept in an optimal temperature range by being convenient for a worker to timely adjust the heating power of the heating rod according to the temperature of the cleaning oil.
For recovering the cleaning oil after cleaning the bearing cavity, the oil return unit 4 includes: oil return valve 41, oil return line 42 and oil return tank 43
The oil return pipeline 42 is provided with an oil return inlet and an oil return outlet, the oil return inlet is communicated with the bearing cavity, the oil return outlet is communicated with the oil return box 43, and the oil return box 43 is used for recovering cleaning oil after cleaning the bearing cavity;
the oil return valve 41 is arranged on the oil return pipeline 42 and is used for controlling the cleaning oil after cleaning the bearing cavity to flow or be static in the oil return pipeline 42;
the control unit 7 is also in signal connection with the oil return valve 41 for controlling the opening and closing of the oil return valve 41.
The bearing is provided with a plurality of oil ports as cleaning oil outlets, the cleaning oil outlets are communicated with the oil return boxes 43 through oil return pipelines 42, an oil return valve 41 is arranged on each oil return pipeline 42, the on-off of the corresponding oil return pipeline 42 is controlled through the oil return valve 41, the oil return valve 41 is controlled to be opened or closed by the control unit 7, the oil return valve 41 is opened, cleaning oil after cleaning the bearing cavity flows out of the oil ports which are arranged as the cleaning oil outlets on the bearing and flows into the oil return boxes 43 through the corresponding oil return pipelines 42, and the plurality of oil ports are arranged as cleaning oil outlets, so that the cleaning oil after cleaning the bearing cavity in the bearing cavity can be discharged rapidly.
After the cleaning of the bearing cavity is completed, new lubricating grease is injected into the bearing cavity through the grease injecting unit 5, and the grease injecting unit 5 comprises: a fat injection pump and a fat injection line 52;
the grease injection pipeline 52 is communicated with the bearing cavity;
the grease injection pump is communicated with the grease injection pipeline 52 and is used for pumping grease into the bearing cavity through the grease injection pipeline 52;
the control unit 7 is in signal connection with the fat injection pump and is used for controlling the start and stop of the fat injection pump according to the temperature value in the bearing cavity.
The fat injection unit 5 further comprises: a grease dispenser 54 is provided at the grease outlet of the grease pump for dispensing the amount of grease pumped into the bearing cavity.
As shown in fig. 1, grease is generally injected into bearing cavities of a plurality of bearings at the same time, a plurality of grease injection pipelines 52 are provided, each grease injection pipeline 52 is provided with a plurality of grease outlets, a plurality of oil ports on each bearing are used as grease injection ports to be communicated with corresponding grease outlets, the temperature value in the bearing cavity is smaller than a first temperature threshold value or after the cleaning of the bearing cavity is completed, a control unit 7 controls a grease injection pump to start, the grease pumped by the grease injection pump is pumped into the bearing cavities of different bearings through the plurality of grease injection pipelines 52 to lubricate the bearings, when the grease is injected into the bearing cavities, in order to avoid insufficient injection amount of the grease in the bearing cavities caused by the flooding of the gas into the bearing cavities, a gas cylinder 53 can be communicated with the bearing cavities, and simultaneously the gas cylinder 53 is communicated with the atmosphere.
When grease is injected into a plurality of bearing cavities simultaneously, in order to reasonably distribute the grease to each bearing cavity, a grease injection distributor 54 is arranged at a grease outlet of a grease injection pump, and the grease amount pumped into each bearing cavity is distributed through the grease injection distributor 54, so that the precise conveying of the grease is ensured, and the safe operation of the bearing is ensured.
In order to obtain good lubrication of the bearing, the bearing lubrication flushing system further comprises: and the recovery unit 6 is selectively communicated with the bearing cavity and is used for recovering waste lubricating grease in the bearing cavity.
The recovery unit 6 includes: a liposuction pump 61, a liposuction pipeline 62 and a waste fat recovery tank 63;
the grease pump 61 is communicated with the bearing cavity through the grease pumping pipeline 62, and the grease pump 61 is used for pumping waste grease in the bearing cavity;
the waste grease recovery tank 63 is used for recovering waste grease.
When the grease injecting unit 5 pumps grease into the bearing cavity, the flushing unit 1 is disconnected from the communication with the bearing cavity, and when the grease injecting unit 5 conveys new grease into the bearing cavity, the waste grease in the bearing cavity is pumped out through the grease pumping pump 61, so that enough space is reserved in the bearing cavity to accommodate the new grease, meanwhile, the waste grease in the bearing cavity is timely pumped out, the waste grease can be prevented from being accumulated in the bearing cavity for a long time and then hardened, the subsequent cleaning difficulty of the waste grease is reduced, and meanwhile, most of the waste grease can be pumped out from the bearing cavity before cleaning oil enters the bearing cavity, the subsequent cleaning difficulty of the bearing cavity is reduced, and meanwhile, most of the waste grease is separated from the cleaning oil, so that the subsequent cleaning oil can be reused conveniently.
According to the bearing lubrication flushing system provided by the invention, the flushing unit is used for conveying the flushing oil into the bearing cavity of the bearing, and the temperature control assembly is used for heating the flushing oil conveyed into the bearing cavity, so that the dissolution of the flushing oil to hardened waste lubricating grease in the bearing cavity is quickened, the cleaning effect is improved, the flushing oil in the bearing cavity is recovered through the oil return unit after the cleaning of the bearing cavity is finished, new lubricating grease is conveyed into the bearing cavity through the grease injection unit for lubricating and maintaining the bearing, and the control unit is used for controlling the actions of the flushing unit and the grease injection unit in order to facilitate the cleaning of the bearing by staff. The bearing lubrication flushing system provided by the invention can clean hardening of waste grease in the bearing cavity without disassembling the bearing, reduces the strength and difficulty of cleaning the waste grease by staff, solves the problem of bearing abrasion aggravation caused by incomplete cleaning of the waste grease in the bearing cavity of the wind turbine generator in the prior art, and improves the cleaning efficiency.
The foregoing details of the optional implementation of the embodiment of the present invention have been described in detail with reference to the accompanying drawings, but the embodiment of the present invention is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present invention within the scope of the technical concept of the embodiment of the present invention, and these simple modifications all fall within the protection scope of the embodiment of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present invention are not described in detail.
In addition, any combination of various embodiments of the present invention may be performed, so long as the concept of the embodiments of the present invention is not violated, and the disclosure of the embodiments of the present invention should also be considered.
Claims (10)
1. A bearing lubrication flushing system for cleaning hardened waste grease in a bearing cavity of a bearing and injecting grease into the bearing cavity, the bearing lubrication flushing system comprising:
a flushing unit (1) which is selectively communicated with the bearing cavity and is used for conveying cleaning oil into the bearing cavity;
the temperature control assembly (2) is arranged on the flushing unit (1) and is used for heating the cleaning oil fed into the bearing cavity;
the bearing temperature detector (3) is arranged on the bearing and is used for detecting the temperature value in the bearing cavity;
the oil return unit (4) is selectively communicated with the bearing cavity and is used for recovering the cleaning oil after the bearing cavity is cleaned;
the grease injection unit (5) is selectively communicated with the bearing cavity and is used for conveying grease into the bearing cavity;
and the control unit (7) is in signal connection with the bearing thermometer (3), the flushing unit (1) and the fat injection unit (5) and is used for controlling the actions of the flushing unit (1) and the fat injection unit (5) according to the temperature value in the bearing cavity.
2. Bearing lubrication flushing system according to claim 1, characterized in that the flushing unit (1) comprises: a flushing pump (11), a flushing pipeline (12), an oil inlet valve (13) and an oil storage tank (14);
the flushing pipeline (12) is provided with a flushing inlet and a flushing outlet, the flushing inlet of the flushing pipeline (12) is connected with the oil outlet of the flushing pump (11), and the flushing outlet of the flushing pipeline (12) is communicated with the bearing cavity;
the oil storage tank (14) is used for storing cleaning oil;
the flushing pump (11) pumps the cleaning oil in the oil storage tank (14) into the bearing cavity through a flushing pipeline (12);
the oil inlet valve (13) is arranged on the flushing pipeline (12) and is used for controlling the flow or the rest of the flushing oil in the flushing pipeline (12);
the control unit (7) is connected with the flushing pump (11) and the oil inlet valve (13) in a signal manner, and is used for controlling the starting and stopping of the flushing pump (11) and the opening and closing of the oil inlet valve (13) according to the temperature value in the bearing cavity.
3. Bearing lubrication flushing system according to claim 2, characterized in that the flushing unit (1) further comprises: and the filter (15) is arranged at the oil inlet of the flushing pump (11) and is used for filtering the cleaning oil pumped into the bearing cavity by the flushing pump (11).
4. Bearing lubrication flushing system according to claim 2, characterized in that the temperature control assembly (2) comprises: a temperature control box (21) and a heating rod;
the temperature control box (21) is internally provided with temperature control liquid, and the flushing pipeline (12) is communicated with the bearing cavity through the temperature control box (21) and is provided with an internal pipe section arranged in the temperature control box (21);
the heating rod is arranged in the temperature control box (21) and is used for heating temperature control liquid in the temperature control box (21) so as to heat cleaning oil in the built-in pipe section of the flushing pipeline (12).
5. The bearing lubrication flushing system of claim 4, wherein the temperature control assembly (2) further comprises: and the oil temperature gauge (22) is arranged on the flushing pipeline (12) and is used for detecting the temperature of the cleaning oil fed into the bearing cavity.
6. Bearing lubrication flushing system according to claim 1, characterized in that the oil return unit (4) comprises: an oil return valve (41), an oil return pipeline (42) and an oil return box (43)
The oil return pipeline (42) is provided with an oil return inlet and an oil return outlet, the oil return inlet is communicated with the bearing cavity, the oil return outlet is communicated with the oil return box (43), and the oil return box (43) is used for recovering cleaning oil after cleaning the bearing cavity;
the oil return valve (41) is arranged on the oil return pipeline (42) and is used for controlling the cleaning oil after cleaning the bearing cavity to flow or be static in the oil return pipeline (42);
the control unit (7) is also connected with the oil return valve (41) in a signal manner and is used for controlling the opening and closing of the oil return valve (41).
7. Bearing lubrication flushing system according to claim 1, characterized in that the grease injection unit (5) comprises: a fat injection pump and a fat injection line (52);
the grease injection pipeline (52) is communicated with the bearing cavity;
the grease injection pump is communicated with the grease injection pipeline (52) and is used for pumping grease into the bearing cavity through the grease injection pipeline (52);
the control unit (7) is in signal connection with the fat injection pump and is used for controlling the start and stop of the fat injection pump according to the temperature value in the bearing cavity.
8. Bearing lubrication flushing system according to claim 7, characterized in that the grease injection unit (5) further comprises: and the grease filling distributor (54) is arranged at a lubricating grease outlet of the grease filling pump and is used for distributing the amount of lubricating grease pumped into the bearing cavity.
9. The bearing lubrication flushing system of claim 1, further comprising: and the recovery unit (6) is selectively communicated with the bearing cavity and is used for recovering waste lubricating grease in the bearing cavity.
10. Bearing lubrication flushing system according to claim 9, characterized in that the recovery unit (6) comprises: a liposuction pump (61), a liposuction pipeline (62) and a waste fat recovery tank (63);
the grease pump (61) is communicated with the bearing cavity through the grease pumping pipeline (62), and the grease pump (61) is used for pumping waste grease in the bearing cavity;
the waste grease recovery box (63) is used for recovering waste grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538963.2A CN117588373A (en) | 2023-11-17 | 2023-11-17 | Bearing lubrication flushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538963.2A CN117588373A (en) | 2023-11-17 | 2023-11-17 | Bearing lubrication flushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117588373A true CN117588373A (en) | 2024-02-23 |
Family
ID=89912656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311538963.2A Pending CN117588373A (en) | 2023-11-17 | 2023-11-17 | Bearing lubrication flushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117588373A (en) |
-
2023
- 2023-11-17 CN CN202311538963.2A patent/CN117588373A/en active Pending
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