CN215979723U - Lubricating system for main shaft bearing of wind driven generator - Google Patents
Lubricating system for main shaft bearing of wind driven generator Download PDFInfo
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- CN215979723U CN215979723U CN202121394663.8U CN202121394663U CN215979723U CN 215979723 U CN215979723 U CN 215979723U CN 202121394663 U CN202121394663 U CN 202121394663U CN 215979723 U CN215979723 U CN 215979723U
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- oil
- main shaft
- shaft bearing
- controller
- driven generator
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- 230000001050 lubricating effect Effects 0.000 title abstract description 19
- 239000003921 oil Substances 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000010687 lubricating oil Substances 0.000 claims abstract description 29
- 239000004519 grease Substances 0.000 claims description 15
- 238000005461 lubrication Methods 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 6
- 230000000750 progressive effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000007667 floating Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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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- Wind Motors (AREA)
Abstract
The utility model relates to the technical field of wind driven generators, in particular to a lubricating system for a main shaft bearing of a wind driven generator; the utility model provides a lubricating system for a main shaft bearing of a wind driven generator, which comprises an oil tank, an oil pump and a controller, wherein the oil tank is used for storing lubricating oil; the oil pump is provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the oil tank, and the liquid outlet is used for adding lubricating oil to the main shaft bearing of the wind driven generator; the controller is connected with the oil pump; in practical use, the oil pump is used for conveying lubricating oil in the oil tank, and the controller is used for controlling the opening and closing of the oil pump; compared with the prior art, the lubricating system for the main shaft bearing of the wind driven generator provided by the utility model has the advantages that the oil tank, the oil pump and the controller are arranged to replace manual lubricating oil adding, so that the technical problem that the oil adding amount is not fixed due to manual regular manual lubricating oil supplementing of the main shaft bearing of the wind driven generator in daily lubricating oil maintenance is solved.
Description
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a lubricating system for a main shaft bearing of a wind driven generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind power generator generally comprises components such as a wind wheel, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and the like; the wind driven generator has a simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator is driven by the wind wheel shaft (also called a wind driven generator main shaft) to rotate to generate electricity.
The main shaft of the wind driven generator is an important part for connecting a wind fin of the wind driven generator and a base of the wind driven generator, generally, under the condition that a bearing with one fixed end and one floating end is arranged, a fixed end bearing (a double-row tapered roller bearing or a self-aligning roller bearing) bears radial force and axial force at the same time, and a floating end bearing (a cylindrical roller bearing or a self-aligning roller bearing) only bears the radial force; because the direction of the axial force is from the rotor end to the gearbox end, only one row of rollers near one end of the gearbox will be subjected to all the axial force, whether a double row tapered roller bearing or a self-aligning roller bearing is used.
However, the spindle bearing of the existing wind driven generator usually has no automatic lubrication system in the routine maintenance of lubricating grease, and the lubricating grease still needs to be manually lubricated and supplemented, i.e. the lubricating grease needs to be manually supplemented manually at regular intervals, so that the technical problems of untimely oiling, overlarge single oiling amount and the like often exist, the problems of spindle bearing abrasion, high temperature and the like are frequently caused, and the safe, efficient and reliable operation of the wind driven generator is seriously influenced.
Disclosure of Invention
The lubricating system for the main shaft bearing of the wind driven generator can solve the technical problem that the oil filling amount is not fixed due to the fact that lubricating grease is manually and periodically supplemented in daily lubricating grease maintenance of the main shaft bearing of the existing wind driven generator;
the utility model provides a lubricating system for a main shaft bearing of a wind driven generator, which comprises:
the oil tank is used for storing lubricating oil;
the oil pump is provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the oil tank, and the liquid outlet is used for adding lubricating oil to the main shaft bearing of the wind driven generator;
and the controller is connected with the oil pump.
As another embodiment, the method further includes:
and the liquid level meter is arranged on the oil tank and is connected with the controller.
In another embodiment, the device further comprises an alarm device connected with the controller.
As another embodiment, the alarm device is a buzzer.
In another embodiment, an oil level and oil temperature sensor is further arranged in the oil tank and connected with the controller.
In another embodiment, the oil tank is further provided with a heater, and is connected to the controller.
In another embodiment, the heater is a carbon fiber electric hot plate.
As another embodiment, the device further comprises a grease distributor communicated with the liquid outlet.
As a further embodiment, the grease dispenser is a progressive dispenser with a proximity switch.
In another embodiment, the controller is a PLC controller.
Advantageous effects
The utility model provides a lubricating system for a main shaft bearing of a wind driven generator, which comprises an oil tank, an oil pump and a controller, wherein the oil tank is used for storing lubricating oil; the oil pump is provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the oil tank, and the liquid outlet is used for adding lubricating oil to the main shaft bearing of the wind driven generator; the controller is connected with the oil pump; in practical use, the oil pump is used for conveying lubricating oil in the oil tank, and the controller is used for controlling the opening and closing of the oil pump; compared with the prior art, the lubricating system for the main shaft bearing of the wind driven generator provided by the utility model has the advantages that the oil tank, the oil pump and the controller are arranged to replace manual lubricating oil adding, so that the technical problem that the oil adding amount is not fixed due to manual regular manual lubricating oil supplementing of the main shaft bearing of the wind driven generator in daily lubricating oil maintenance is solved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a lubrication system for a main shaft bearing of a wind turbine according to the present invention at an angle;
FIG. 2 is a schematic perspective view of a lubrication system for a main shaft bearing of a wind turbine according to another embodiment of the present invention at another angle;
fig. 3 is a schematic diagram of a lubrication system for a main shaft bearing of a wind turbine provided by the utility model.
Description of reference numerals:
1. an oil tank;
2. an oil pump; 21. a liquid inlet; 22. a liquid outlet;
3. a controller;
4. a liquid level meter;
5. an alarm device;
6. an oil level and temperature sensor;
7. a heater;
8. a grease dispenser.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the lubricating system for the main shaft bearing of the wind driven generator provided by the utility model comprises an oil tank 1, an oil pump 2 and a controller 3, wherein the oil tank 1 is used for storing lubricating oil; the oil pump 2 is provided with a liquid inlet 21 and a liquid outlet 22, the liquid inlet 21 is communicated with the oil tank 1, and the liquid outlet 22 is used for adding lubricating oil to a main shaft bearing of the wind driven generator; the controller 3 is connected with the oil pump 2; in actual use, the oil pump 2 is used for delivering lubricating oil in the oil tank 1, and the controller 3 is used for controlling the opening and closing of the oil pump 2; compared with the prior art, the lubricating system for the main shaft bearing of the wind driven generator provided by the utility model has the advantages that the oil tank 1, the oil pump 2 and the controller 3 are arranged to replace manual lubricating oil adding, so that the technical problem that the oil adding amount is not fixed due to manual regular manual lubricating oil supplementing of the main shaft bearing of the wind driven generator in daily lubricating oil maintenance is solved; wherein,
the liquid level meter 4 is arranged on the oil tank 1 and is connected with the controller 3; in actual use, the liquid level meter 4 is arranged to monitor the height of lubricating oil in the container and transmit the height data to the controller 3, so that the controller 3 can conveniently control the operation of the oil pump 2 according to the quantity of the lubricating oil in the oil tank 1; it should be understood that "the liquid level meter 4 is also included and is disposed on the oil tank 1 and connected with the controller 3" only as a preference, and in one embodiment, a person skilled in the art can also set other suitable types according to actual needs as long as the corresponding action, function or effect can be achieved.
As another embodiment, the device also comprises an alarm device 5 which is connected with the controller 3; in actual use, the alarm device 5 is arranged to play a role in reminding people; specifically, when the liquid level meter 4 monitors that no lubricating oil exists in the oil tank 1, the alarm device 5 can send out an alarm signal through the controller 3, so that the effect of reminding people of adding lubricating oil is achieved; it should be understood that the "alarm device 5 is a buzzer" is only preferred, and in one embodiment, a person skilled in the art may also set the alarm device to be of other suitable types according to actual needs, as long as the corresponding function, function or effect can be achieved, such as a display screen; wherein,
the alarm device 5 is a buzzer; it should be understood that the "alarm device 5 is a buzzer" is only preferred, and in one embodiment, a person skilled in the art may also set other suitable types according to actual needs, as long as the corresponding function, function or effect can be achieved, such as a speaker;
then, an oil level and temperature sensor 6 is also arranged in the oil tank 1 and is connected with the controller 3; in practical use, the oil level and temperature sensor 6 is arranged to sense the liquid level of the lubricating oil in the oil tank 1 and the temperature of the lubricating oil, and transmit signals to the controller 3; so that the controller 3 realizes the control of the oil pump 2 and/or the buzzer; it should be understood that "the oil level and temperature sensor 6 is further disposed in the oil tank 1 and connected to the controller 3" is merely preferable, and in one embodiment, a person skilled in the art may also set the oil level and temperature sensor to other suitable types according to actual needs, as long as the corresponding action, function or effect can be achieved;
it should be noted that the oil level and temperature sensor 6 is conventional, and is not described herein in any greater detail for saving the description space;
the oil tank 1 is also provided with a heater 7 which is connected with the controller 3; in practical use, when the oil level and temperature sensor 6 senses that the temperature of the oil tank 1 is too low, the heater 7 is started to heat through the controller 3, so that the lubricating system for the main shaft bearing of the wind driven generator provided by the utility model can normally operate in cold weather such as winter;
specifically, the heater 7 is a carbon fiber electric heating plate; in practical use, because the carbon fiber electric heating plate usually adopts non-metallic carbonaceous materials, electric energy is directly converted into heat energy when the carbon fiber electric heating plate is electrified and heated, light energy and mechanical energy can not be generated, and self heat loss is avoided, therefore, the carbon fiber electric heating plate is specially adopted; it should be understood that the "heater 7 is a carbon fiber electric heating plate" is only preferred, and in one embodiment, a person skilled in the art can also set other suitable types according to actual needs, as long as the corresponding function, function or effect can be achieved, such as a geothermal film and the like.
As another embodiment, the device also comprises a grease distributor 8 communicated with the liquid outlet 22; in practical use, because the main shaft of the wind driven generator is usually connected with a plurality of bearings, in order to add lubricating oil to the plurality of bearings or lubricating points on various bearings (such as a thrust bearing, a floating bearing and the like) connected with the main shaft, a grease distributor 8 is specially arranged; it should be understood that "further including the grease distributor 8 in communication with the liquid outlet 22" is merely preferable, and in one embodiment, a person skilled in the art may also set other suitable types according to actual needs, as long as the corresponding function, function or effect can be achieved; wherein,
the grease dispenser 8 is a progressive dispenser with a proximity switch; the progressive distributor with the proximity switch is arranged to play a role of timely alarming when the piston is blocked; it should be understood that "the grease dispenser 8 is a progressive dispenser with a proximity switch" is only preferred, and in one embodiment, a person skilled in the art can also set other suitable types according to actual needs, as long as the corresponding action, function or effect can be achieved, such as a progressive dispenser of an assembled structure disclosed in the publication No. CN 2593025;
as another embodiment, the controller 3 is a PLC controller; it should be understood that the "controller 3 is a PLC controller" is merely preferable, and in one embodiment, a person skilled in the art may also set other suitable types according to actual needs, as long as the corresponding action, function or effect can be achieved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A lubrication system for a wind turbine main shaft bearing, comprising:
an oil tank (1) for storing lubricating oil;
the oil pump (2) is provided with a liquid inlet (21) and a liquid outlet (22), the liquid inlet (21) is communicated with the oil tank (1), and the liquid outlet (22) is used for adding lubricating oil to a main shaft bearing of the wind driven generator;
a controller (3) connected to the oil pump (2);
the oil tank (1) is also provided with a heater (7) which is connected with the controller (3);
the heater (7) is a carbon fiber electric heating plate;
the device also comprises a grease distributor (8) which is communicated with the liquid outlet (22).
2. The lubrication system for a wind turbine main shaft bearing according to claim 1, further comprising:
and the liquid level meter (4) is arranged on the oil tank (1) and is connected with the controller (3).
3. A lubrication system for a wind turbine main shaft bearing according to claim 1, further comprising an alarm device (5) connected to said controller (3).
4. A lubrication system for a wind turbine main shaft bearing according to claim 3, characterized in that said alarm device (5) is a buzzer.
5. The lubrication system for the main shaft bearing of the wind driven generator as claimed in claim 4, characterized in that an oil level and temperature sensor (6) is further arranged in the oil tank (1) and connected with the controller (3).
6. Lubrication system for a wind turbine main shaft bearing according to claim 1, characterised in that the grease distributor (8) is a progressive distributor with proximity switches.
7. Lubrication system for a wind turbine main shaft bearing according to claim 1, characterised in that the controller (3) is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394663.8U CN215979723U (en) | 2021-06-22 | 2021-06-22 | Lubricating system for main shaft bearing of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394663.8U CN215979723U (en) | 2021-06-22 | 2021-06-22 | Lubricating system for main shaft bearing of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979723U true CN215979723U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121394663.8U Active CN215979723U (en) | 2021-06-22 | 2021-06-22 | Lubricating system for main shaft bearing of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979723U (en) |
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2021
- 2021-06-22 CN CN202121394663.8U patent/CN215979723U/en active Active
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