CN113958462B - Wind driven generator blade detection device and method - Google Patents
Wind driven generator blade detection device and method Download PDFInfo
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- CN113958462B CN113958462B CN202111181732.1A CN202111181732A CN113958462B CN 113958462 B CN113958462 B CN 113958462B CN 202111181732 A CN202111181732 A CN 202111181732A CN 113958462 B CN113958462 B CN 113958462B
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 35
- 238000007689 inspection Methods 0.000 claims 4
- 230000008569 process Effects 0.000 abstract description 28
- 238000010248 power generation Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment 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
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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0296—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
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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
- F03D80/40—Ice detection; De-icing means
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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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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- 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)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation and discloses a wind power generator blade detection device which comprises a base, wherein a supporting shaft is fixedly connected to the top of the base, an outer shaft is movably connected to the outer surface of the supporting shaft, a fan blade is movably connected to the outer surface of the outer shaft, and a connecting bolt is movably connected to one side, close to the outer shaft, of the fan blade. The pressure rod is used for pushing the sliding block away from the pressure rod in the moving process, so that the effect of force conversion is achieved, meanwhile, the fixed rod is pulled along with the movement of the sliding block, the fixed rod is stretched inside due to the connection relation between the fixed rod and the fan blade, a part of pulling force is applied to the fan blade, the wind power generation fan blade is rotated along with the rotating process due to the connection relation between the moving block and the fan blade, if the rotating speed in the external environment is too high, the internal centrifugal force is automatically converted into the pulling force of the fan blade, and the centrifugal force is offset, so that the pressure effect of the fan blade and the connecting part is reduced.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind driven generator blade detection device and method.
Background
With the gradual heating of modern new energy, the utilization and development of new energy are gradually mature, wherein wind power generation is one of them, and mechanical energy is converted into electric energy through the rotation of wind power to the fan blades, so that the wind energy is utilized to the maximum extent.
In the rotor blade of the wind driven generator in reality, on the highland or in cold areas, due to climate change and other reasons, some household wind power generation or small-range wind power generation blade surfaces providing power are easy to freeze, and due to the fact that ice blocks are in uneven states on blade surfaces, centrifugal force among blades cannot offset each other in the rotation process of the blades, or mass distribution among the blades is uneven due to collision of birds and mass problems of the blades, and the like, centrifugal force is generated, pressure at a rotating shaft is increased, the faster the rotating speed is, the larger the centrifugal force is, the friction between the rotating shaft and the outside is borne, meanwhile due to the effect of centrifugal force, the force of the rotating shaft between supporting shaft sleeves is also increased, the internal friction force is increased, meanwhile, the eccentric force generated by pressure at the rotating shaft is different from the connecting position of each blade, the looseness of the connecting position of the blades is easy to be caused for a long time, and therefore if the blades are in the rotation process, the extra centrifugal force is derived, and the pressure at the rotating shaft is overlarge.
Therefore, the need for highly reliable products is urgent, so we propose a wind turbine blade detection device and method, which has the effects that if the internal centrifugal force is automatically converted into the pulling force of the blades when the internal rotating speed is too high due to the external environment in the rotating process of the wind turbine blades, the centrifugal force is counteracted, the pressure of the blades and the joints is reduced, and simultaneously, the external workers are reminded, so that the wind turbine blades are offset to a greater extent in the rotating process.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a wind driven generator blade detection device and a wind driven generator blade detection method, which have the advantages that in the process of rotating the wind driven generator blade, if the internal rotating speed of the external environment is too high, the internal centrifugal force is automatically converted into the pulling force for the blade, so that the centrifugal force is counteracted, the pressure between the blade and the joint is reduced, simultaneously, the external staff is reminded, the wind driven generator blade is offset to a greater extent in the rotating process, and the problem of damage to the shaft when the wind driven generator blade is deflected is solved.
(II) technical scheme
In order to realize the purposes that in the process that the wind power generation fan blade rotates along with the rotation, if the internal rotating speed of the external environment is too high, the internal centrifugal force is automatically converted into the pulling force for the fan blade, so that the centrifugal force is counteracted, the pressure between the fan blade and the connecting part is reduced, and meanwhile, the external worker is reminded, and the wind power generation fan blade is offset to a greater extent in the rotation process, the invention provides the following technical scheme: the utility model provides a wind-driven generator blade detection device, includes the base, base top fixedly connected with back shaft, back shaft surface swing joint has outer axle, outer axle surface swing joint has the flabellum, flabellum and outer axle pass through connecting bolt fixed connection.
Further, the fan blade comprises a moving block, one side of the moving block, which is far away from the connecting bolt, is movably connected with a button, one side of the moving block, which is far away from the button, is fixedly connected with a connecting block, the left end and the right end of the connecting block are fixedly connected with extension springs, the bottom of the connecting block is movably connected with a movable rod, the bottom of the movable rod is movably connected with a rotary table, and the bottom of the rotary table is movably connected with a push rod.
Further, the inside of the outer shaft comprises a guide rod, the bottom of the guide rod is movably connected with a pressure rod, one side, far away from the guide rod, of the pressure rod is movably connected with a sliding block, and one side, far away from the axis of the outer shaft, of the sliding block is movably connected with a fixed rod.
Further, the back shaft is inside including the atress ball, the outer wall swing joint of atress ball has the elastic block with back shaft fixed connection, one side fixedly connected with ejector pin that the atress ball is close to the elastic block, one side fixedly connected with eccentric rod that the atress ball was kept away from to the ejector pin, both ends fixedly connected with reset spring about the eccentric rod, eccentric rod rear end fixedly connected with ball, ball surface swing joint has the support frame, support frame rear end just is located eccentric rod rear end swing joint has the pressure piece, the one end swing joint that the eccentric rod was kept away from to the pressure piece has the piezoelectric plate.
Further, one end of the connecting bolt far away from the outer shaft is fixed on the outer surface of the fan blade for fixed connection, and the number of the fan blades is three, and the sizes of the fan blades are the same.
Further, a channel is formed in the outer shaft, the sliding block is located in the channel, and the two pressure rods are located at the left end and the right end of the guide rod respectively.
Further, one side of push rod far away from the carousel and one side swing joint that the guide arm kept away from the pressure pole, the outer inside and atress ball surface swing joint of outer axle, atress ball is located the piezoelectric plate front end, the inside swing joint of piezoelectric plate has the sensor, sensor output and controller input electrical signal connection, controller output and wireless connection input electrical signal connection, wireless connection input and high in the clouds system input electrical signal connection.
Further, the number of the stress balls is six, the stress balls are evenly distributed around the axis of the supporting shaft, and the net distance between the stress balls and the round balls is smaller than the distance between the piezoelectric plate and the round balls.
The wind driven generator blade detection device according to, wherein the wind driven generator blade detection method comprises the following specific steps:
s1, when ice coating occurs on the small wind power generation fan blades, and under the condition that the ice coating volume on the surfaces is irregular, the rotating speed is too high, at the moment, along with the rotation of the fan blades, the moving blocks in the fan blades also rotate together, at the moment, the centrifugal force of the moving blocks away from the outer shafts in the rotating process causes the moving blocks to move, so that the moving blocks are driven to move towards the direction of the buttons, further, the connecting blocks are pulled, the inside of the extension springs is stressed and stretched, elastic potential energy is accumulated, meanwhile, the connecting blocks move along with the moving blocks, further, the rotating disc is further caused to rotate through the pulling force of the movable rods, and along with the rotation of the rotating disc, the pushing rods are pushed, and the pushing rods move towards the direction away from the rotating disc;
s2, simultaneously with the movement of the push rod, a pushing force is applied to the guide rod, the guide rod moves in a direction away from the push rod, further, a pushing force is applied to the pressure rod, and the pressure rod is an inclined rod, so that in the process of moving the pressure rod, a pushing force is applied to the sliding block, which is away from the pressure rod, to achieve the effect of force conversion, and simultaneously, with the movement of the sliding block, a pulling force is applied to the fixed rod, and due to the connection relation between the fixed rod and the fan blade, a part of pulling force is applied to the fan blade, and due to the connection relation between the moving block and the fan blade, the effect that in the process of rotating the wind power generation fan blade, if the internal rotating speed is too high, the internal centrifugal force is automatically converted into the pulling force of the fan blade, so that the centrifugal force is counteracted, and the pressure effect of the fan blade and the connection position is reduced is achieved;
s3, simultaneously along with the movement of the movable block, if the speed is too high, the movable block is connected with the button, and current is generated in the wind power generation device, so that in the process of connecting the movable block with the button, the piezoelectric plate is electrified, meanwhile, each blade of the wind power generation blade is different in weight due to icing, and meanwhile, along with the rotation, the centrifugal force is deviated due to inconsistent weight among the blades, and the centrifugal force cannot be counteracted;
s4, in the rotating process, the outer shaft has a deviation centrifugal force on the supporting shaft, when the outer shaft rotates to the upper end of the supporting shaft, the force applied to the bottom of the supporting shaft is the centrifugal force to offset the gravity of a part of fan blades, when the outer shaft rotates to the bottom of the supporting shaft, the upper end of the supporting shaft is combined with the gravity and the centrifugal force, so that only the pressure on the left side and the right side of the supporting shaft is generated when the outer shaft generates the centrifugal force, the outer shaft can have a pressure on the force ball in the rotating process, the force ball is forced to push the eccentric rod through the ejector rod, the force applied to the eccentric rod is offset, and the eccentric rod is deflected;
s5, the force deflected by the eccentric rod is amplified through the fulcrum action of the ball, the rear end of the eccentric rod drives the pressure block to move greatly, the pressure block moves, the piezoelectric plate is pressurized, at the moment, induced current is generated inside the piezoelectric plate along with the increase of the pressure, the current is transmitted to the controller through the sensor, the controller transmits signals to the cradle head system, the cradle head transmits the signals to the wireless module, and then the wireless module is found by external personnel, so that the effect of reminding external personnel is achieved, and the wind power generation fan blade is offset to a greater extent in the rotating process.
(III) beneficial effects
Compared with the prior art, the invention provides a wind driven generator blade detection device and method, which have the following beneficial effects:
1. according to the wind driven generator blade detection device and method, the pressure rod is used for pushing the sliding block away from the pressure rod in the moving process, so that the effect of force conversion is achieved, meanwhile, along with the movement of the sliding block, a pulling force is applied to the fixed rod, the inside of the fixed rod stretches due to the connection relation between the fixed rod and the fan blade, meanwhile, a part of pulling force is applied to the fan blade, and due to the connection relation between the moving block and the fan blade, the effect that the inside centrifugal force is automatically converted into the pulling force of the fan blade when the wind driven generator fan blade rotates in the rotating process is achieved, the centrifugal force is counteracted, and the pressure of the fan blade and the connecting position is reduced is achieved.
2. According to the wind driven generator blade detection device and method, the force deflected by the eccentric rod is amplified through the fulcrum action of the ball, the rear end of the eccentric rod drives the pressure block to move greatly, the pressure block moves along with the pressure block, the piezoelectric plate is pressurized, at the moment, induced current is generated inside the piezoelectric plate along with the increase of the pressure, the current is transmitted to the controller through the sensor, the controller transmits a signal to the holder system, the holder transmits the signal to the wireless module, and then the wireless module is found by an external person, so that the effect of reminding an external worker of relatively large-degree deflection of the wind driven generator blade in the rotation process is achieved.
Drawings
FIG. 1 is a three-dimensional view of a fan blade structure according to the present invention;
FIG. 2 is a front view of the outer shaft structure of the present invention;
FIG. 3 is a schematic view of a part of a moving block according to the present invention;
FIG. 4 is a partial schematic view of a movable rod structure according to the present invention;
FIG. 5 is a partial schematic view of the structure of the pressure rod of the present invention;
FIG. 6 is a partial schematic view of a force ball structure according to the present invention;
FIG. 7 is an enlarged view of a portion of the structure of the present invention at A in FIG. 6;
FIG. 8 is a partial schematic view of the structure of the eccentric rod of the present invention;
FIG. 9 is a partial schematic view of a pressure block structure according to the present invention;
FIG. 10 is a structural part view of the support frame of the present invention;
FIG. 11 is a flow chart of the system of the present invention.
In the figure: 1. a base; 2. a fan blade; 21. a moving block; 22. a tension spring; 23. a connecting block; 24. a movable rod; 25. a turntable; 26. a push rod; 27. a button; 3. an outer shaft; 31. a guide rod; 32. a pressure rod; 33. a sliding block; 34. a fixed rod; 4. a connecting bolt; 5. a support shaft; 51. a force ball; 52. an elastic block; 53. a push rod; 54. an eccentric rod; 55. a return spring; 56. a ball; 57. a support frame; 58. a pressure block; 59. a piezoelectric plate.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, a wind driven generator blade detection device includes a base 1, a support shaft 5 is fixedly connected to the top of the base 1, an outer shaft 3 is movably connected to the outer surface of the support shaft 5, a channel is provided in the outer shaft 3, a sliding block 33 is located in the channel, two pressure rods 32 are respectively located at left and right ends of a guide rod 31, the guide rod 31 is included in the outer shaft 3, the pressure rods 32 are movably connected to the bottom of the guide rod 31, a sliding block 33 is movably connected to one side of the pressure rods 32 away from the guide rod 31, and a fixing rod 34 is movably connected to one side of the sliding block 33 away from the axis of the outer shaft 3.
Referring to fig. 3, the outer surface of the outer shaft 3 is movably connected with a fan blade 2, the fan blade 2 comprises a moving block 21, one side of the moving block 21, which is far away from the connecting bolt 4, is movably connected with a button 27, one side of the moving block 21, which is far away from the button 27, is fixedly connected with a connecting block 23, the left end and the right end of the connecting block 23 are fixedly connected with extension springs 22, the bottom of the connecting block 23 is movably connected with a movable rod 24, the bottom of the movable rod 24 is movably connected with a rotary table 25, and the bottom of the rotary table 25 is movably connected with a push rod 26.
Referring to fig. 6, 8, 9 and 10, the fan blade 2 and the outer shaft 3 are fixedly connected through the connecting bolt 4, one end of the connecting bolt 4 away from the outer shaft 3 is fixedly connected with the outer surface of the fan blade 2, three fan blades 2 are provided, the volumes are the same, the supporting shaft 5 is internally provided with six stress balls 51, the stress balls 51 are evenly distributed around the axis of the supporting shaft 5, the net distance of the stress balls 51, which is close to the ball 56, is smaller than the distance of the piezoelectric plate 59, which is close to the ball 56, an elastic block 52 fixedly connected with the supporting shaft 5 is movably connected with the outer wall of the stress ball 51, one side of the stress ball 51, which is close to the elastic block 52, is fixedly connected with a push rod 53, one side of the push rod 53, which is away from the stress ball 51, is fixedly connected with an eccentric rod 54, the left end and the right end of the eccentric rod 54 are fixedly connected with a reset spring 55, the rear end of the eccentric rod 54 is fixedly connected with the ball 56, the outer surface of the ball 56 is movably connected with a supporting frame 57, the rear end of the supporting frame 57 is movably connected with a pressure block 58, and one end of the eccentric rod 58, which is far from the rod 54, is movably connected with the piezoelectric plate 59.
A wind driven generator blade detection device, wherein the wind driven generator blade detection method comprises the following specific steps:
s1, when ice coating occurs on the small wind power generation fan blades, and under the condition that the ice coating volume on the surfaces is irregular, the rotating speed is too high, at the moment, along with the rotation of the fan blades 2, the moving blocks 21 in the fan blades 2 also rotate together, at the moment, the centrifugal force of the moving blocks 21 away from the outer shafts 3 moves the moving blocks 21 in the rotating process, so that the moving blocks 21 are driven to move towards the direction of the buttons 27, further, the connecting blocks 23 are pulled, the inside of the extension springs 22 are stressed and stretched, elastic potential energy is accumulated, meanwhile, the rotating discs 25 are moved together along with the connecting blocks 23, further, the rotating discs 25 are rotated through the movable rods 24, and along with the rotation of the rotating discs 25, pushing forces are applied to the push rods 26, so that the push rods 26 move towards the direction away from the rotating discs 25;
s2, simultaneously with the movement of the push rod 26, a pushing force is applied to the guide rod 31, so that the guide rod 31 moves in a direction away from the push rod 26, and further, a pushing force is applied to the pressure rod 32, and the pressure rod 32 is an inclined rod, so that in the process of moving the pressure rod 32, a pushing force is applied to the sliding block 33, which is far away from the pressure rod 32, so that the effect of force conversion is achieved, simultaneously with the movement of the sliding block 33, a pulling force is applied to the fixed rod 34, and due to the connection relation between the fixed rod 34 and the fan blade 2, the inside of the fixed rod 34 is stretched, and meanwhile, a part of pulling force is applied to the fan blade 2, so that in the process of rotating the wind power generation fan blade, if the internal rotating speed of the external environment is too high, the internal centrifugal force is automatically converted into the pulling force of the fan blade, so that the centrifugal force is counteracted, and the effect of the pressure of the fan blade and the connection part is reduced;
s3, simultaneously along with the movement of the movable block 21, if the speed is too high, the movable block 21 and the button 27 are connected with each other, and current is generated in the wind power generation device, so that in the process of connecting the movable block 21 and the button 27, the piezoelectric plate 59 is electrified, meanwhile, the weights of the blades of the wind power generation fan are different due to icing, and in the process of rotation, the weights of the blades are inconsistent, so that the centrifugal forces deviate during rotation and cannot be offset;
s4, in the rotating process, the outer shaft 3 has a deviation centrifugal force on the supporting shaft 5, when the outer shaft 3 rotates to the upper end of the supporting shaft 5, the force borne by the bottom of the supporting shaft 5 counteracts the gravity of a part of fan blades by the centrifugal force, when the outer shaft 3 rotates to the bottom of the supporting shaft 5, the upper end of the supporting shaft 5 is combined with the gravity and the centrifugal force, so that only the pressure on the left side and the right side of the supporting shaft 5 is generated when the outer shaft 3 generates the centrifugal force, and when the outer shaft 3 generates the centrifugal force, the outer shaft 3 can bear a pressure on the force ball 51 in the rotating process, so that the force ball 51 bears a thrust on the eccentric rod 54 through the ejector rod 53, the force on the eccentric rod 54 is offset, and the eccentric rod 54 is deflected;
s5, the force deflected by the eccentric rod 54 is amplified through the fulcrum action of the ball 56, the rear end of the eccentric rod 54 drives the pressure block 58 to move greatly, the pressure block 58 moves, the piezoelectric plate 59 is pressurized, at the moment, induced current is generated inside the piezoelectric plate 59 along with the increase of the pressure, the current is transmitted to the controller through the sensor, the controller transmits a signal to a holder system, the holder transmits the signal to the wireless module, and the wireless module is found by an external person, so that the effect of reminding an external worker is achieved, and the wind power generation fan blade deflects to a large extent in the rotating process is achieved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Wind-driven generator blade detection device, including base (1), its characterized in that: the top of the base (1) is fixedly connected with a supporting shaft (5), the outer surface of the supporting shaft (5) is movably connected with an outer shaft (3), the outer surface of the outer shaft (3) is movably connected with a fan blade (2), and the fan blade (2) and the outer shaft (3) are fixedly connected through a connecting bolt (4);
the fan blade (2) comprises a moving block (21), wherein a button (27) is movably connected to one side, far away from a connecting bolt (4), of the moving block (21), a connecting block (23) is fixedly connected to one side, far away from the button (27), of the moving block (21), an extension spring (22) is fixedly connected to the left end and the right end of the connecting block (23), a movable rod (24) is movably connected to the bottom of the connecting block (23), a rotary table (25) is movably connected to the bottom of the movable rod (24), and a push rod (26) is movably connected to the bottom of the rotary table (25);
the outer shaft (3) comprises a guide rod (31), the bottom of the guide rod (31) is movably connected with a pressure rod (32), one side, away from the guide rod (31), of the pressure rod (32) is movably connected with a sliding block (33), and one side, away from the axis of the outer shaft (3), of the sliding block (33) is movably connected with a fixed rod (34);
the novel eccentric press is characterized in that the supporting shaft (5) comprises a stress ball (51), an elastic block (52) fixedly connected with the supporting shaft (5) is movably connected to the outer wall of the stress ball (51), a push rod (53) is fixedly connected to one side, close to the elastic block (52), of the stress ball (51), the push rod (53) is far away from an eccentric rod (54) which is fixedly connected to one side, far away from the stress ball (51), of the push rod (53), a reset spring (55) is fixedly connected to the left end and the right end of the eccentric rod (54), a round ball (56) is fixedly connected to the rear end of the eccentric rod (54), a supporting frame (57) is movably connected to the outer surface of the round ball (56), a pressure block (58) is movably connected to the rear end of the supporting frame (57), and one end, far away from the eccentric rod (54), of the pressure block (58), of the pressure block is movably connected with a piezoelectric plate (59).
2. A wind turbine blade inspection apparatus according to claim 1, wherein: one end of the connecting bolt (4) far away from the outer shaft (3) is fixed on the outer surface of the fan blade (2) for fixed connection, and the number of the fan blades (2) is three, and the sizes of the fan blades are the same.
3. A wind turbine blade inspection apparatus according to claim 1, wherein: the outer shaft (3) is internally provided with a channel, the sliding block (33) is positioned in the channel, and the two pressure rods (32) are respectively positioned at the left end and the right end of the guide rod (31).
4. A wind turbine blade inspection apparatus according to claim 1, wherein: one side of carousel (25) is kept away from to push rod (26) and one side swing joint that pressure pole (32) was kept away from to guide arm (31), the inside and atress ball (51) surface swing joint of outer axle (3), atress ball (51) are located piezoelectricity board (59) front end, inside swing joint of piezoelectricity board (59) has the sensor, sensor output and controller input electrical signal connection, controller output and wireless connection input electrical signal connection, wireless connection input and high in the clouds system input electrical signal connection.
5. A wind turbine blade inspection apparatus according to claim 1, wherein: six stress balls (51) are evenly distributed around the axis of the supporting shaft (5), and the net distance of the stress balls (51) close to the round balls (56) is smaller than the distance of the piezoelectric plate (59) close to the round balls (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111181732.1A CN113958462B (en) | 2021-10-11 | 2021-10-11 | Wind driven generator blade detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111181732.1A CN113958462B (en) | 2021-10-11 | 2021-10-11 | Wind driven generator blade detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113958462A CN113958462A (en) | 2022-01-21 |
| CN113958462B true CN113958462B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111181732.1A Active CN113958462B (en) | 2021-10-11 | 2021-10-11 | Wind driven generator blade detection device and method |
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