CN220396064U - Fan blade vibration state detection equipment - Google Patents
Fan blade vibration state detection equipment Download PDFInfo
- Publication number
- CN220396064U CN220396064U CN202321756646.3U CN202321756646U CN220396064U CN 220396064 U CN220396064 U CN 220396064U CN 202321756646 U CN202321756646 U CN 202321756646U CN 220396064 U CN220396064 U CN 220396064U
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- mounting
- fan blade
- clamping
- state detection
- vibration state
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 40
- 230000001133 acceleration Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process 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
Classifications
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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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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a fan blade vibration state detection device, which comprises: the clamping head comprises a mounting plate, a mounting column and a clamping head structure, wherein the mounting column is arranged at one end of the mounting plate; the clamping head comprises two mounting rings, mounting strips and clamping pieces, wherein the two mounting rings are rotatably connected to a mounting column and are distributed front and back, the mounting strips are fixed on each mounting ring, the clamping pieces are arranged at the end part of each mounting strip far away from the mounting ring, and clamping plates are respectively fixed on the opposite surfaces of the two clamping pieces; and a sensing structure arranged in the middle of the mounting column; and the pressure sensor is arranged on the opposite surface of the clamping plate. The utility model adopts clamping type installation to realize nondestructive testing, and adopts a plurality of groups of detection equipment according to the requirement to realize the multipoint coverage type detection process of the fan blade, thereby improving the detection quality.
Description
Technical Field
The utility model relates to the technical field of fan blade vibration detection equipment, in particular to fan blade vibration state detection equipment.
Background
In the process of converting wind energy into electric energy, the wind driven generator plays a key role, and once faults occur in the operation process, the efficiency of the generator set is reduced or even stopped, so that larger economic loss is caused; meanwhile, as the position of the wind power generation field is remote, inconvenience is brought to maintenance and overhaul of equipment, an effective means is adopted to monitor the online real-time state of the wind power generator, faults are found timely and maintained, the method has great significance for safe production, related vibration signals of the wind power generator are carriers of equipment component abnormality and fault information, in the running process of the system, the health condition of the equipment can be evaluated and predicted by detecting and analyzing the information in the vibration signals and analyzing the data, but the existing fan blade vibration detection equipment needs to adopt tools to punch holes on blades to install the equipment, the operation of the mode is complex, the surface of the blades is damaged, and on the other hand, the installation sites and the quantity are limited due to the characteristics of the shape and the size of the fan blades, so that the fan blades are difficult to carry out multi-point detection.
Disclosure of Invention
The utility model aims to provide a fan blade vibration state detection device which is installed in a clamping mode to realize nondestructive detection, is simple in structure and convenient to operate, and adopts a plurality of groups of detection devices according to requirements to realize a multipoint coverage type detection process of the fan blade, so that the detection quality is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fan blade vibration state detection apparatus comprising: the fan blade clamping device comprises a mounting plate, a mounting column arranged at one end of the mounting plate, and a clamping head structure arranged on the mounting column, wherein the clamping head structure is used for clamping the edge of a fan blade when moving towards each other; the clamping head comprises two mounting rings, two mounting rings and mounting strips, wherein the two mounting rings are rotationally connected to a mounting column and are distributed front and back, the mounting strips are fixed on each mounting ring, the clamping head further comprises clamping pieces arranged at the end parts of each mounting strip far away from the mounting rings, clamping plates are respectively fixed on opposite surfaces of the two clamping pieces, and when the two clamping plates are close to and are in contact with a fan blade, the clamping plates are used for fixedly mounting the detection equipment and the fan blade; the sensing structure is arranged in the middle of the mounting column and is used for sensing the vibration acceleration of the fan blade; the device also comprises pressure sensors arranged on the opposite sides of the clamping plates, and when the two pressure sensors sense the clamping force of the clamping plates to the fan blade, the pressure sensors are used for triggering the operation of the vibration acceleration sensor.
Preferably, the sensing structure comprises a mounting piece, wherein the mounting piece is arranged in the middle of the mounting column, and a vibration acceleration sensor is arranged on the mounting piece.
Preferably, the outer wall of the mounting piece is also fixed with a plugging strip, and the plugging strip is matched with a plugging hole formed in the middle of the mounting column.
Preferably, the clamping piece is rotationally connected with the mounting strip in a connecting state so as to adapt to different mounting sites of the fan blade, and the application range is improved.
Preferably, the clamping plate is made of rubber.
Preferably, the end part of the mounting plate far away from the mounting column is also provided with an engagement driving assembly for driving the operation of the clamping head structure; the meshing driving assembly comprises a mounting frame and a rotating shaft arranged on the mounting frame, and a first transmission tooth and a second transmission tooth are sequentially fixed on the rotating shaft front and back; the device further comprises a first transmission frame and a second transmission frame which are respectively fixed on the two mounting rings and are distributed front and back, wherein a first rack and a second rack are respectively arranged on the first transmission frame and the second transmission frame, and the first rack and the second rack are relatively distributed and are respectively meshed with the first transmission gear and the second transmission gear; and the motor is arranged on the mounting frame, and an output shaft of the motor penetrates through a through hole formed in the mounting frame and is fixedly connected with the rotating shaft.
Preferably, the fan blade clamping device further comprises a threaded hole formed in the fan blade and a screw rod which is in threaded connection with the threaded hole, wherein a connecting block is fixed at one end of the screw rod, and the clamping head structure can be clamped and fixed with the connecting block.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model adopts clamping type installation to realize nondestructive testing, and adopts a plurality of groups of detection equipment according to the requirement to realize the multipoint coverage type detection process of the fan blade, thereby improving the detection quality.
Drawings
FIG. 1 is a schematic view of a first perspective view of the present utility model;
FIG. 2 is a schematic view of a second perspective view of the present utility model;
FIG. 3 is a perspective view of a third perspective view of the present utility model;
FIG. 4 is a schematic elevational view of the present utility model;
fig. 5 is a schematic structural view of embodiment 2;
fig. 6 is a schematic view of the working state of the present utility model.
In the figure: 1. a mounting plate; 2. a mounting frame; 3. a motor; 4. a second transmission frame; 5. a second rack; 6. a second drive tooth; 7. a first drive tooth; 8. a first transmission frame; 9. a first rack; 10. a vibration acceleration sensor; 11. a mounting member; 12. a mounting ring; 13. a clamping plate; 14. a mounting bar; 15. a clamping member; 16. a pressure sensor; 17. a connecting block; 18. a mounting column; 19. and (3) a screw.
Detailed Description
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present utility model preferably provides the following technical solutions: a fan blade vibration state detection apparatus comprising: a mounting plate 1, a mounting post 18 provided at one end of the mounting plate 1, and a clamping head structure provided on the mounting post 18 for clamping the fan blade edges when the clamping head structures are moved toward each other; the clamping head comprises two mounting rings 12, the two mounting rings 12 are rotatably connected to a mounting column 18 and are distributed front and back, and mounting strips 14 fixed on each mounting ring 12, and further comprises clamping pieces 15 arranged at the end part of each mounting strip 14 far away from the mounting ring 12, wherein clamping plates 13 are respectively fixed on opposite surfaces of the two clamping pieces 15, and when the two clamping plates 13 are close to and abut against a fan blade, the two clamping plates 13 are used for fixedly mounting the detection equipment and the fan blade; and a sensing structure provided in the middle of the mounting post 18 for sensing the vibration acceleration of the fan blade; and a pressure sensor 16 disposed on the opposite side of the clamping plate 13 for triggering the operation of the vibration acceleration sensor 10 when the clamping force of the clamping plate 13 to the fan blade is sensed by the two pressure sensors 16.
As shown in fig. 1, through the clamping head structure arranged on the mounting post 18, the clamping head structure can relatively or separately run, thereby realizing the installation and disassembly process of the detection device and the fan blade, and the two pressure sensors 16 where the clamping head structure is located can be used for detecting the clamping force of the clamping plate 13 to the fan blade, and sending the pressure information to the singlechip inside the device when the clamping head structure is in conflict with the fan blade, the singlechip subsequently controls the sensing structure in the middle of the mounting post 18 to run so as to detect the vibration state of the fan blade, and when in specific running, a plurality of detection devices are adopted according to the requirement so as to realize multi-point detection of the vibration state of the fan blade, and in combination with the design shown in fig. 6, the clamping type installation is adopted so as to realize nondestructive detection, and a plurality of groups of detection devices are adopted according to the requirement so as to realize the multi-point coverage type detection process of the fan blade, thereby improving the detection quality.
Further, the sensing structure includes a mounting member 11, the mounting member 11 being provided in the middle of the mounting post 18, and the vibration acceleration sensor 10 being provided on the mounting member 11.
According to the structure, the vibration of the blade is monitored through the vibration acceleration sensor 10, data is transmitted through the data transmission module arranged in the equipment, the change condition of the inherent frequency value of each order of the blade is obtained in real time, and therefore damage such as blade icing and blade cracking is analyzed, and the vibration acceleration sensor 10 and the data transmission module in the equipment are all of the prior art.
Further, the outer wall of the mounting piece 11 is also fixed with a plugging strip, and the plugging strip is matched with a plugging hole formed in the middle of the mounting column 18, as shown in fig. 1 and 3, and the design is convenient for replacing the sensing structure.
Further, the connection state of the clamping piece 15 and the mounting strip 14 is rotary connection so as to adapt to different mounting sites of the fan blade, and the application range is improved.
Further, the clamping plate 13 is made of rubber, as shown in fig. 3, and on one hand, the clamping head structure is better attached to the fan blade, so that the clamping stability of the clamping head structure to the fan blade is improved, and on the other hand, the anti-skid function is achieved.
Further, the end of the mounting plate 1 far away from the mounting post 18 is also provided with an engagement driving assembly for driving the operation of the clamping head structure; the meshing driving assembly comprises a mounting frame 2 and a rotating shaft arranged on the mounting frame 2, and a first transmission tooth 7 and a second transmission tooth 6 are sequentially fixed on the rotating shaft front and back; the device further comprises a first transmission frame 8 and a second transmission frame 4 which are respectively fixed on the two mounting rings 12 and are distributed front and back, a first rack 9 and a second rack 5 are respectively arranged on the first transmission frame 8 and the second transmission frame 4, and the first rack 9 and the second rack 5 are relatively distributed and are respectively meshed with the first transmission teeth 7 and the second transmission teeth 6; and the motor 3 is arranged on the mounting frame 2, and an output shaft of the motor 3 passes through a through hole formed in the mounting frame 2 and is fixedly connected with the rotating shaft.
The two mounting rings 12 can be driven to rotate oppositely through the arranged meshing driving assembly, so that the clamping head structure runs relatively or relatively, as shown in fig. 1 and 3, the first transmission gear 7 and the second transmission gear 6 are fixed on the rotating shaft, the first transmission frame 8 and the second transmission frame 4 are fixed on the two mounting rings 12, the first rack 9 and the second rack 5 which are respectively arranged on the first transmission frame 8 and the second transmission frame 4 are respectively meshed with the first transmission gear 7 and the second transmission gear 6, and the first rack 9 and the second rack 5 are oppositely arranged, so that the rotating shaft is driven to run, and the first transmission frame 8 and the second transmission frame 4 run relatively, so that the first transmission frame 8 and the second transmission frame 4 run relatively or relatively.
Example 2
As another embodiment of the utility model, the utility model further comprises a threaded hole formed in the fan blade and a screw 19 in threaded connection with the interior of the threaded hole, wherein one end of the screw 19 is fixedly provided with the connecting block 17, and the clamping head structure can be clamped and fixed with the connecting block 17.
The design is blade damage detection, and aims to realize vibration state detection of thicker parts of the blade edges and the middle part of the blade.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.
The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.
The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (7)
1. A fan blade vibration state detection apparatus, comprising:
the fan blade clamping device comprises a mounting plate (1), a mounting column (18) arranged at one end of the mounting plate (1) and a clamping head structure arranged on the mounting column (18) and used for clamping the edge of a fan blade when the clamping head structures move towards each other;
the clamping head comprises two mounting rings (12), the two mounting rings (12) are rotationally connected to a mounting column (18) and are distributed front and back, mounting strips (14) are fixed on each mounting ring (12), the clamping head further comprises clamping pieces (15) arranged at the end parts, far away from the mounting rings (12), of each mounting strip (14), clamping plates (13) are respectively fixed on opposite surfaces of the two clamping pieces (15), and when the two clamping plates (13) are close to and are in contact with a fan blade, the clamping plates are used for fixedly mounting the detection equipment and the fan blade;
the sensing structure is arranged in the middle of the mounting column (18) and is used for sensing the vibration acceleration of the fan blade; the fan blade vibration control device further comprises pressure sensors (16) arranged on the opposite sides of the clamping plates (13), and the pressure sensors (16) are used for triggering the operation of the vibration acceleration sensor (10) when the clamping plates (13) sense the clamping force of the fan blade.
2. The fan blade vibration state detection apparatus according to claim 1, wherein:
the sensing structure comprises a mounting piece (11), wherein the mounting piece (11) is arranged in the middle of a mounting column (18), and a vibration acceleration sensor (10) is arranged on the mounting piece (11).
3. The fan blade vibration state detection apparatus according to claim 2, wherein:
the outer wall of the mounting piece (11) is also fixed with a plug strip, and the plug strip is matched with a plug hole formed in the middle of the mounting column (18).
4. The fan blade vibration state detection apparatus according to claim 1, wherein:
the clamping piece (15) is rotationally connected with the mounting strip (14) in a connection state so as to adapt to different mounting sites of the fan blade, and the application range is improved.
5. The fan blade vibration state detection apparatus according to claim 1, wherein:
the clamping plate (13) is made of rubber.
6. The fan blade vibration state detection apparatus according to claim 1, wherein:
the end part of the mounting plate (1) far away from the mounting column (18) is also provided with a meshing driving assembly for driving the operation of the clamping head structure;
the meshing driving assembly comprises a mounting frame (2) and a rotating shaft arranged on the mounting frame (2), and a first transmission tooth (7) and a second transmission tooth (6) are sequentially fixed on the rotating shaft front and back;
the device further comprises a first transmission frame (8) and a second transmission frame (4) which are respectively fixed on the two mounting rings (12) and are distributed front and back, wherein the first transmission frame (8) and the second transmission frame (4) are respectively provided with a first rack (9) and a second rack (5), and the first rack (9) and the second rack (5) are relatively distributed and are respectively meshed with the first transmission teeth (7) and the second transmission teeth (6);
and the motor (3) is arranged on the mounting frame (2), and an output shaft of the motor (3) penetrates through a through hole formed in the mounting frame (2) and is fixedly connected with the rotating shaft.
7. The fan blade vibration state detection apparatus according to claim 1, wherein:
still including seting up the screw hole on fan blade to and threaded connection is at screw rod (19) of screw hole inside, screw rod (19) one end is fixed with connecting block (17), and the centre gripping head structure can be fixed with connecting block (17) centre gripping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756646.3U CN220396064U (en) | 2023-07-06 | 2023-07-06 | Fan blade vibration state detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756646.3U CN220396064U (en) | 2023-07-06 | 2023-07-06 | Fan blade vibration state detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396064U true CN220396064U (en) | 2024-01-26 |
Family
ID=89607389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321756646.3U Active CN220396064U (en) | 2023-07-06 | 2023-07-06 | Fan blade vibration state detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396064U (en) |
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2023
- 2023-07-06 CN CN202321756646.3U patent/CN220396064U/en active Active
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