CN220930146U - Device for improving efficiency of transmission chain of wind turbine generator - Google Patents
Device for improving efficiency of transmission chain of wind turbine generator Download PDFInfo
- Publication number
- CN220930146U CN220930146U CN202322964277.3U CN202322964277U CN220930146U CN 220930146 U CN220930146 U CN 220930146U CN 202322964277 U CN202322964277 U CN 202322964277U CN 220930146 U CN220930146 U CN 220930146U
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- China
- Prior art keywords
- fixedly connected
- shell
- wind turbine
- transmission chain
- main shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 29
- 239000010687 lubricating oil Substances 0.000 abstract description 20
- 239000003921 oil Substances 0.000 abstract description 15
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005461 lubrication Methods 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
- 238000010248 power generation Methods 0.000 description 1
- 239000002699 waste material Substances 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
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a device for improving efficiency of a transmission chain of a wind turbine generator, which comprises a main shaft, wherein one end of the main shaft is fixedly connected with a tightening disc, the other end of the tightening disc is fixedly connected with a gear box, two oil inlets of the main shaft and oil inlets of the gear box are fixedly communicated with first hoses, the other ends of the three first hoses are jointly fixedly communicated with a distributor, and the bottom of the distributor is fixedly communicated with a pump body. According to the utility model, through the arranged shell, the detection tube, the filter element, the switching component and the connecting pipe fitting, two filter elements are adopted, one filter element is used for standby operation, when the filter element in operation is detected to be close to the filtering limit, the filter element can be automatically replaced, the filter element with the filtering effect is prevented from being replaced and wasted, the resource is saved, meanwhile, the gradual serious blocking of the lubricating oil backflow caused by the replacement leakage can be prevented, and the transmission chain efficiency of the wind turbine generator is ensured.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a device for improving efficiency of a transmission chain of a wind turbine generator.
Background
The wind generating set can be divided into a double-fed wind generating set with a multi-stage speed increasing gear box, a direct-drive wind generating set without a speed increasing gear box and a semi-direct-drive wind generating set with a one-stage speed increasing gear box according to a main transmission chain structure form. In the process of transmitting mechanical energy from the blades to the generator, the wind generating set transmission chain inevitably causes efficiency loss due to friction, heating, electricity consumption and other factors inside the parts or among the parts. At present, some wind turbines are provided with a device for systematically improving the efficiency of a transmission chain of the wind turbines, so that the lubrication and cooling effects are improved, the friction loss is reduced, and the transmission efficiency in the main bearing seat and the gear box is improved.
The prior wind turbine generator set is basically maintained for one half year except for the shorter maintenance period of the first two times, namely, the device for improving the efficiency of the transmission chain of the wind turbine generator set is maintained for one half year, and each maintenance and operation need to be performed to check the service condition of the lubricating oil filter element to determine whether replacement is needed, but in actual operation, in order to ensure that the lubricating oil can be normally input and output in the next maintenance period, the lubricating oil filter element with the filtering effect is generally selected to be replaced, so that the resource waste is caused, and if the lubricating oil filter element with the filtering effect is not replaced, the lubricating oil backflow is possibly blocked seriously in the next maintenance period, and the transmission chain efficiency of the wind turbine generator set can be influenced.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a device for improving the efficiency of a transmission chain of a wind turbine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the device for improving the efficiency of the transmission chain of the wind turbine generator comprises a main shaft, wherein one end of the main shaft is fixedly connected with a tightening disc, the other end of the tightening disc is fixedly connected with a gear box, two oil inlets of the main shaft and the oil inlets of the gear box are fixedly communicated with first hoses, the other ends of the three first hoses are fixedly communicated with a distributor together, the bottom of the distributor is fixedly communicated with a pump body, and one side of the outer surface of the pump body is fixedly communicated with an oil tank; the backflow port of the oil tank is fixedly communicated with a shell, a switching assembly is arranged in the shell, two filter elements are arranged in the switching assembly, one side of the outer surface of the shell is in sealing threaded connection with a cover, and one side of the outer surface of the cover is fixedly connected with an auxiliary plate; a detection tube is fixedly penetrated through one side of the outer surface of the shell, and a connecting pipe fitting is jointly installed among the detection tube, the main shaft, the tightening disk and the gear box.
Further, the switching assembly comprises a motor, the motor is fixedly arranged on the inner wall of one side of the shell, the driving end of the motor is fixedly connected with a mounting disc, the mounting disc is rotationally connected with the shell, two through holes are symmetrically formed in one side of the outer surface of the mounting disc, baffle rings are fixedly connected in the two through holes, and the through holes and the baffle rings are favorable for installing the filter element.
Further, the sealing ring is fixedly connected to the inner wall of one side of the shell, the motor is located on the inner side of the sealing ring, the sealing ring is in butt joint with the mounting disc, the sealing ring can avoid contact between lubricating oil and the motor, and the motor is facilitated to use.
Further, the inner walls of the two sides of the shell are positioned at the opening and are fixedly embedded with first sealing gaskets, the first sealing gaskets are abutted against the mounting plate, and the sealing performance of the opening of the shell can be guaranteed by the first sealing gaskets.
Further, two filter core all includes the collar, and collar and adjacent lid and first sealed pad looks butt, the surface one side fixedly connected with second sealed pad of collar, and the second is sealed to be filled up with the fender ring looks butt, surface one side fixedly connected with filter core body of collar, the filter core body can filter the lubricating oil after the backward flow.
Further, the detecting tube comprises a tube body, the tube body is fixedly communicated with the shell, an installation groove is formed in the inner wall of one side of the tube body, a pressure sensor is fixedly connected to the inner top of the installation groove, a piston plate is fixedly connected to the detecting end of the pressure sensor, the piston plate and the installation groove slide in a sealing mode, and lubricating oil can be prevented from entering the installation groove in a sealing mode through the piston plate and the installation groove to affect the use of the pressure sensor.
Furthermore, the connecting pipe fitting comprises a centralized pipe, the centralized pipe is fixedly communicated with the pipe body, and a second hose is fixedly communicated between the centralized pipe and the main shaft and the gear box respectively, so that lubricating oil can flow back.
The utility model has the beneficial effects that:
When the device for improving the efficiency of the transmission chain of the wind turbine generator is used, through the arranged shell, the detection tube, the filter element, the switching component and the connecting pipe fitting, two filter elements are adopted, one filter element is used for standby one operation, when the filter element in operation is detected to be close to the filtering limit, the filter element can be automatically replaced, the filter element with the filtering effect is prevented from being replaced and wasted, resources are saved, meanwhile, the situation that the backflow of lubricating oil is gradually seriously blocked due to the replacement leakage is prevented, and the efficiency of the transmission chain of the wind turbine generator is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1: the overall structure of the utility model is schematically shown;
fig. 2: the oil tank of the utility model is in a perspective view;
fig. 3: the shell of the utility model is in a cross-sectional view;
fig. 4: the filter element and the baffle ring are connected in a schematic mode.
The reference numerals are as follows:
1. A main shaft; 2. a tightening disk; 3. a dispenser; 4. a gear box; 5. a first hose; 6. a second hose; 7. a concentration tube; 8. an oil tank; 9. a pump body; 10. a tube body; 11. an auxiliary plate; 12. a housing; 13. a cover; 14. a seal ring; 15. a motor; 16. a filter element body; 17. a first gasket; 18. a mounting plate; 19. a mounting groove; 20. a piston plate; 21. a pressure sensor; 22. a mounting ring; 23. a baffle ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, a device for improving efficiency of a transmission chain of a wind turbine generator is related to, and comprises a main shaft 1, one end of the main shaft 1 is fixedly connected with a tightening disc 2, the other end of the tightening disc 2 is fixedly connected with a gear box 4, two oil inlets of the main shaft 1 and the oil inlet of the gear box 4 are fixedly communicated with a first hose 5, the other ends of the three first hoses 5 are jointly fixedly communicated with a distributor 3, the bottom of the distributor 3 is fixedly communicated with a pump body 9, one side of the outer surface of the pump body 9 is fixedly communicated with an oil tank 8, and the pump body 9 conveys lubricating oil in the oil tank 8 to the distributor 3 and then respectively conveyed into the main shaft 1 and the gear box 4 through the first hoses 5.
The backflow port of the oil tank 8 is fixedly communicated with the shell 12, a switching assembly is installed in the shell 12 and comprises a motor 15, the motor 15 is fixedly installed on one side inner wall of the shell 12, a driving end of the motor 15 is fixedly connected with a mounting disc 18, the mounting disc 18 is rotationally connected with the shell 12, two through holes are symmetrically formed in one side of the outer surface of the mounting disc 18, a baffle ring 23 is fixedly connected with the inside of each through hole, a sealing ring 14 is fixedly connected with one side inner wall of the shell 12, the motor 15 is located on the inner side of the sealing ring 14, the sealing ring 14 is abutted against the mounting disc 18, the motor 15 drives the mounting disc 18 to rotate, and switching of the positions of the two through holes can be achieved.
Install two filter core in the switching component, two filter core all include collar 22, and collar 22 and adjacent lid 13 and the sealed 17 butt that fills up of first, the surface one side fixedly connected with second of collar 22 is sealed to fill up, and the second is sealed fills up with the fender ring 23 butt, surface one side fixedly connected with filter core body 16 of collar 22, the installation that is favorable to filter core body 16 is provided with to collar 22, the leakproofness of fender ring 23 and collar 22 junction can be guaranteed to the second sealed pad.
The cover 13 is connected to one side of the outer surface of the shell 12 in a sealing threaded manner, the auxiliary plate 11 is fixedly connected to one side of the outer surface of the cover 13, and the auxiliary plate 11 can rotate the cover 13, so that the cover 13 can be opened conveniently, and the filter element can be replaced conveniently.
The outer surface of casing 12 is fixed to be had a detecting tube that link up, and the detecting tube includes body 10, and body 10 and casing 12 are fixed to be link up, and mounting groove 19 has been seted up to one side inner wall of body 10, and the top fixedly connected with pressure sensor 21 in the mounting groove 19, the detection end fixedly connected with piston plate 20 of pressure sensor 21, and piston plate 20 and mounting groove 19 seal slip, and pressure sensor 21 can detect the pressure value of the interior lubricating oil of body 10.
And a connecting pipe fitting is jointly installed between the detection pipe and the main shaft 1 and the gear box 4, the connecting pipe fitting comprises a concentrated pipe 7, the concentrated pipe 7 is fixedly communicated with a pipe body 10, a second hose 6 is fixedly communicated between the concentrated pipe 7 and the main shaft 1 and the gear box 4 respectively, and the arrangement of the second hose 6 and the concentrated pipe 7 is beneficial to lubricating oil backflow.
The inner walls of the two sides of the shell 12 are positioned at the opening and fixedly embedded with first sealing gaskets 17, the first sealing gaskets 17 are abutted against the mounting plate 18, and the sealing performance between the opening of the shell 12 and the mounting plate 18 can be ensured by the first sealing gaskets 17.
Working principle: the pump body 9 conveys lubricating oil in the oil tank 8 to the distributor 3, then the lubricating oil is conveyed to the main shaft 1 and the gear box 4 through the first hose 5, used lubricating oil is conveyed back to the concentrated pipe 7 through the second hose 6, then the lubricating oil flows back to the oil tank 8 through the pipe body 10, the through holes at the lower side and the filter element body 16, when the lubricating oil passes through the pipe body 10, extrusion force is generated on the piston plate 20, the pressure sensor 21 detects a pressure value, the filter element body 16 can filter the passing lubricating oil, after the filter element body 16 is blocked to a certain degree, the pressure in the pipe body 10 is increased, the motor 15 is started after the pressure sensor 21 detects that the pressure value reaches a set value, the motor 15 drives the mounting disc 18 to rotate, so that the standby filter element body 16 is moved to the lower side, and replacement of the filter element body 16 is realized.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. Device for improving efficiency of transmission chain of wind turbine generator system, comprising a main shaft (1), and characterized in that: one end of the main shaft (1) is fixedly connected with a tightening disc (2), the other end of the tightening disc (2) is fixedly connected with a gear box (4), two oil inlets of the main shaft (1) and the oil inlets of the gear box (4) are fixedly communicated with first hoses (5), the other ends of the three first hoses (5) are jointly fixedly communicated with a distributor (3), the bottom of the distributor (3) is fixedly communicated with a pump body (9), and one side of the outer surface of the pump body (9) is fixedly communicated with an oil tank (8);
The backflow port of the oil tank (8) is fixedly communicated with a shell (12), a switching assembly is arranged in the shell (12), two filter elements are arranged in the switching assembly, one side of the outer surface of the shell (12) is in sealing threaded connection with a cover (13), and one side of the outer surface of the cover (13) is fixedly connected with an auxiliary plate (11);
A detection tube is fixedly penetrated through one side of the outer surface of the shell (12), and a connecting tube fitting is jointly installed among the detection tube, the main shaft (1), the tightening disc (2) and the gear box (4).
2. The device for improving efficiency of a transmission chain of a wind turbine generator according to claim 1, wherein: the switching assembly comprises a motor (15), the motor (15) is fixedly arranged on the inner wall of one side of the shell (12), the driving end of the motor (15) is fixedly connected with a mounting disc (18), the mounting disc (18) is rotationally connected with the shell (12), two through holes are symmetrically formed in one side of the outer surface of the mounting disc (18), and baffle rings (23) are fixedly connected to the inner parts of the two through holes.
3. The device for improving efficiency of a transmission chain of a wind turbine generator according to claim 2, wherein: the inner wall of one side of the shell (12) is fixedly connected with a sealing ring (14), the motor (15) is positioned on the inner side of the sealing ring (14), and the sealing ring (14) is abutted against the mounting disc (18).
4. A device for improving efficiency of a drive train of a wind turbine according to claim 3, wherein: the inner walls of the two sides of the shell (12) are positioned at the opening and are fixedly embedded with first sealing gaskets (17), and the first sealing gaskets (17) are abutted against the mounting plate (18).
5. The device for improving efficiency of a transmission chain of a wind turbine according to claim 4, wherein: the two filter elements comprise mounting rings (22), the mounting rings (22) are abutted against the adjacent cover (13) and the first sealing gasket (17), a second sealing gasket is fixedly connected to one side of the outer surface of each mounting ring (22), the second sealing gasket is abutted against the baffle ring (23), and a filter element body (16) is fixedly connected to one side of the outer surface of each mounting ring (22).
6. The device for improving efficiency of a transmission chain of a wind turbine generator according to claim 1, wherein: the detection tube comprises a tube body (10), the tube body (10) is fixedly communicated with the shell (12), a mounting groove (19) is formed in the inner wall of one side of the tube body (10), a pressure sensor (21) is fixedly connected to the inner top of the mounting groove (19), a piston plate (20) is fixedly connected to the detection end of the pressure sensor (21), and the piston plate (20) and the mounting groove (19) slide in a sealing mode.
7. The device for improving efficiency of a transmission chain of a wind turbine generator according to claim 6, wherein: the connecting pipe fitting comprises a centralized pipe (7), the centralized pipe (7) is fixedly communicated with the pipe body (10), and a second hose (6) is fixedly communicated between the centralized pipe (7) and the main shaft (1) and the gear box (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322964277.3U CN220930146U (en) | 2023-11-02 | 2023-11-02 | Device for improving efficiency of transmission chain of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322964277.3U CN220930146U (en) | 2023-11-02 | 2023-11-02 | Device for improving efficiency of transmission chain of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930146U true CN220930146U (en) | 2024-05-10 |
Family
ID=90932812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322964277.3U Active CN220930146U (en) | 2023-11-02 | 2023-11-02 | Device for improving efficiency of transmission chain of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930146U (en) |
-
2023
- 2023-11-02 CN CN202322964277.3U patent/CN220930146U/en active Active
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