CN218760265U - Wind-powered electricity generation main shaft bearing lubricating system - Google Patents
Wind-powered electricity generation main shaft bearing lubricating system Download PDFInfo
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- CN218760265U CN218760265U CN202223372881.9U CN202223372881U CN218760265U CN 218760265 U CN218760265 U CN 218760265U CN 202223372881 U CN202223372881 U CN 202223372881U CN 218760265 U CN218760265 U CN 218760265U
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- Prior art keywords
- main shaft
- shaft bearing
- conveying
- bearing
- lubricating oil
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 title description 8
- 239000010687 lubricating oil Substances 0.000 claims abstract description 30
- 239000003921 oil Substances 0.000 claims abstract description 25
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a wind power main shaft bearing lubricating system, which comprises a storage oil tank fixed on a bearing cover of a fan main shaft, wherein a conveying pipeline for conveying lubricating oil through the bearing cover is arranged on the storage oil tank, an ejector is arranged at the end part of the conveying pipeline, and the outlet end of the ejector is just opposite to a main shaft bearing; a conveying device for conveying lubricating oil is arranged in the storage oil tank, and the lubricating oil is atomized and conveyed into a conveying pipeline through the conveying device and sprayed out of an injector to enter a main shaft bearing; the utility model discloses a conveyor carries to pipeline in with the back of lubricating oil atomizing, is spouted into main shaft bearing by the sprayer again in, the homogeneity of atomizing spraying makes the filling better, can avoid having the unable lubrication of blind area, leads to main shaft bearing to have the problem of dry friction.
Description
Technical Field
The utility model relates to a wind power equipment technical field, concretely relates to wind-powered electricity generation main shaft bearing lubricating system.
Background
The wind driven generator is a mechanical device for converting wind energy into electric energy, the temperature of the working environment is greatly changed, and the working environment is extremely severe. The fan has higher maintenance difficulty on a precision instrument in a severe environment, has higher requirements on the environmental adaptability of a lubricating product and the long-term use of a machine, and needs the lubricating product with excellent performance to ensure the stable operation of the fan within the designed service life to provide long-term protection. The main shaft bearing is one of the key parts of the wind turbine generator. At present, a main shaft bearing of the wind driven generator adopts a manual or electric lubricating oil filling mode, the workload of workers is increased, the environment is easily polluted, meanwhile, the time and place of lubricating oil filling are not accurately known during lubrication, and the lubricating oil can only be filled periodically, so that the problem of lubricating oil waste or insufficient lubrication and bearing damage is caused.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: the regular filling mode of manual filling or electronic filling is mainly adopted to lubricating oil to current wind-powered electricity generation main shaft bearing, can't provide accurate lubricated protection for main shaft bearing, causes the not enough that lubricating oil is extravagant or lubricated not enough causes main shaft bearing to damage easily, the utility model discloses a can annotate according to main shaft bearing's operating mode accuracy, guarantee the wind-powered electricity generation main shaft bearing lubricating system of lubricated effect.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
a wind power main shaft bearing lubricating system comprises a storage oil tank fixed on a bearing cover of a fan main shaft, wherein a conveying pipeline for conveying lubricating oil through the bearing cover is arranged on the storage oil tank, an ejector is arranged at the end part of the conveying pipeline, and the outlet end of the ejector is opposite to a main shaft bearing; a conveying device for conveying lubricating oil is arranged in the storage oil tank, and the lubricating oil is atomized and conveyed into a conveying pipeline through the conveying device and sprayed out of an injector to enter a main shaft bearing.
Preferably, the utility model discloses be connected with the vibration detection device who is used for detecting the bearing vibration condition on main shaft bearing, lubricating system's controller is connected with the vibration detection device electricity, and the vibration signal control conveyor who detects through the vibration detection device carries out the transport of lubricating oil.
Preferably, the utility model discloses a vibration detection device is connected with the computer end of wind-powered electricity generation field central control room including setting up the vibration sensor on main shaft bearing and being used for receiving the data acquisition device of sensor data collection, data acquisition device, carries out vibration analysis and carries out the transport of lubricating oil through controller control conveyor by the computer end.
Preferably, the utility model discloses a storage oil tank passes through the fixed block symmetry and fixes the periphery at the bearing cap, and pipeline evenly arranges along the circumferencial direction of bearing cap.
Preferably, the utility model discloses an injector tip adopts the throat structure, when oil mist passes through the injector, is spouted into main shaft bearing by the injector acceleration.
Preferably, the conveying device of the utility model adopts an air compressor.
Has the advantages that: the utility model discloses a wind-powered electricity generation main shaft bearing lubricating system has following beneficial effect:
1. the utility model discloses a conveyor carries to pipeline in with the back of lubricating oil atomizing, is spouted into main shaft bearing by the sprayer again in, the homogeneity of atomizing spraying makes the filling better, can avoid having the unable lubrication of blind area, leads to main shaft bearing to have the problem of dry friction.
2. The utility model discloses set up vibration detection device on main shaft bearing, through the oscillogram when with main shaft bearing's vibration oscillogram when with the bearing normal operating relatively, can reachd the wearing and tearing that the bearing when and then lead to producing unusual vibration signal through data contrastive analysis to can lubricate corresponding position according to the analysis result, in time spray lubricating oil, lubricate with the realization to main shaft bearing's accurate filling lubrication operation.
3. The utility model discloses a store oil tank symmetric distribution in the periphery of bearing cap, pipeline can cover main shaft bearing's whole scope to can carry out spray lubrication to main shaft bearing to the condition of difference.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an axial sectional view of the present invention along the main shaft;
the device comprises a fan main shaft, a bearing cover 2, a storage oil tank 3, a conveying pipeline 4, an ejector 5, a main shaft bearing 6 and a fixing block 7.
Detailed Description
The present invention will be more fully described by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention.
As shown in fig. 1-2, the wind power spindle bearing lubrication system disclosed in the present invention comprises a storage oil tank 3 fixed on a bearing cap 2 of a fan spindle 1, wherein a delivery pipe 4 for delivering lubricating oil through the bearing cap 2 is arranged on the storage oil tank 3, an injector 5 is arranged at an end of the delivery pipe 4, and an outlet end of the injector 5 is opposite to a spindle bearing 6; a conveying device for conveying lubricating oil is arranged in the storage oil tank 3, and the lubricating oil is atomized and conveyed into the conveying pipeline 4 through the conveying device and sprayed out of the sprayer 5 into the main shaft bearing 6; the vibration detection device comprises a vibration sensor arranged on the main shaft bearing 6 and a data acquisition device used for receiving data acquired by the sensor, the data acquisition device is connected with a computer end of a central control room of the wind power plant, vibration analysis is carried out by the computer end, and the conveying device is controlled by the controller to convey lubricating oil.
The utility model is characterized in that a vibration detection device for detecting the vibration condition of the bearing is connected on the main shaft bearing 6, a controller of the lubricating system is electrically connected with the vibration detection device, and the conveying device is controlled to convey lubricating oil by a vibration signal detected by the vibration detection device; as preferred, the utility model discloses a conveyor adopts oil mist generator PAG 1000, and the small and exquisite easy to assemble of this equipment can connect the power and carry out continuation work. The device provides power for the oil mist by the air compressor after the oil mist is generated, the oil mist is conveyed to the nozzle and is injected after being atomized, so that the uniformity can be improved, the utilization rate of lubricating oil can be improved, and waste is avoided; the end of the injector 5 is of a reduced-diameter structure, and the oil mist is accelerated by the injector 5 and injected into the main shaft bearing 6 when passing through the injector 5.
The utility model discloses when using, need detect earlier and the main shaft bearing vibration signal that collection system normal steady operation is, regard this data as the foundation of the follow-up vibration detection device data contrast that carries out the lubricating oil filling, when detecting data and contrast data difference great, the computer end that is located the central control room sends the filling instruction, the conveyor who stores in the postbox 3 atomizes lubricating oil, send into pipeline 4, spout main shaft bearing 6 in the sprayer 5 that corresponds on, accomplish the lubricated work of main bearing; in the operation process of the system, according to the operation condition of the system, when the difference value between the analyzed waveform value and the normal operation time is small, the oil storage device can be used for regularly and quantitatively filling and lubricating the bearing according to the normal interval time, and the filling amount is adjusted by matching with the vibration detection device, so that the occurrence of the bearing operation fault condition caused by abrasion is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (5)
1. A wind power main shaft bearing lubricating system is characterized by comprising a storage oil tank (3) fixed on a bearing cover (2) of a fan main shaft (1), wherein a conveying pipeline (4) used for conveying lubricating oil through the bearing cover (2) is arranged on the storage oil tank (3), an ejector (5) is arranged at the end part of the conveying pipeline (4), and the outlet end of the ejector (5) is opposite to a main shaft bearing (6); a conveying device for conveying lubricating oil is arranged in the storage oil tank (3), and the lubricating oil is atomized and conveyed into the conveying pipeline (4) through the conveying device and sprayed out of the sprayer (5) to enter the main shaft bearing (6); the main shaft bearing (6) is connected with a vibration detection device for detecting the vibration condition of the bearing, a controller of the lubricating system is electrically connected with the vibration detection device, and the conveying device is controlled to convey lubricating oil through a vibration signal detected by the vibration detection device.
2. The wind power main shaft bearing lubricating system according to claim 1, characterized in that the vibration detection device comprises a vibration sensor arranged on the main shaft bearing (6) and a data acquisition device for receiving data acquired by the sensor, the data acquisition device is connected with a computer end of a central control room of the wind power plant, vibration analysis is carried out by the computer end, and the conveying device is controlled by the controller to convey lubricating oil.
3. The wind power main shaft bearing lubricating system according to claim 1, characterized in that the storage oil tanks (3) are symmetrically fixed on the periphery of the bearing cover (2) through fixing blocks (7), and the conveying pipelines (4) are uniformly arranged along the circumferential direction of the bearing cover (2).
4. A wind power main shaft bearing lubrication system according to claim 1, characterized in that the end of the injector (5) is of a throat structure, and the oil mist is accelerated by the injector (5) to be injected into the main shaft bearing (6) when passing through the injector (5).
5. The wind power main shaft bearing lubricating system according to claim 1, wherein the conveying device adopts an oil mist generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223372881.9U CN218760265U (en) | 2022-12-16 | 2022-12-16 | Wind-powered electricity generation main shaft bearing lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223372881.9U CN218760265U (en) | 2022-12-16 | 2022-12-16 | Wind-powered electricity generation main shaft bearing lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760265U true CN218760265U (en) | 2023-03-28 |
Family
ID=85683828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223372881.9U Active CN218760265U (en) | 2022-12-16 | 2022-12-16 | Wind-powered electricity generation main shaft bearing lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760265U (en) |
-
2022
- 2022-12-16 CN CN202223372881.9U patent/CN218760265U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Zhishang Xinding Kede Technology Group Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980002733 Denomination of utility model: A lubrication system for wind turbine spindle bearings Granted publication date: 20230328 License type: Common License Record date: 20240312 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NANJING QIANWEI INTELLIGENT TECHNOLOGY CO.,LTD. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980003131 Denomination of utility model: A lubrication system for wind turbine spindle bearings Granted publication date: 20230328 License type: Common License Record date: 20240322 |
|
| EE01 | Entry into force of recordation of patent licensing contract |