CN113958468A - Blade tip lightning arrester of wind driven generator - Google Patents
Blade tip lightning arrester of wind driven generator Download PDFInfo
- Publication number
- CN113958468A CN113958468A CN202111212107.9A CN202111212107A CN113958468A CN 113958468 A CN113958468 A CN 113958468A CN 202111212107 A CN202111212107 A CN 202111212107A CN 113958468 A CN113958468 A CN 113958468A
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- Prior art keywords
- side wall
- sleeve
- rotating shaft
- brake
- rod
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- 238000007789 sealing Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 208000025274 Lightning injury Diseases 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
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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
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
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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
-
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the 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 discloses a blade tip lightning arrester of a wind driven generator, which relates to the technical field of wind driven generators and comprises the following components: the lightning rod is connected with the inner side wall of the middle part of the rotating shaft in a sliding manner, and a driving mechanism is arranged inside the rotating shaft; when the wind driven generator is in a rainy day, rainwater is collected through the guide ring, so that the rainwater enters the rotating shaft, the push plate is pushed downwards to move through the continuous collection of the rainwater and the gravity action of the rainwater, the threaded rod is rotated, the driving belt pulley is further driven to rotate, the lifting rod is driven to rotate through the belt and the driven belt pulley, the lightning rod is pushed to the top of the rotating shaft, effective lightning protection is achieved, the lightning rod is protected when not used, the lightning rod is prevented from being damaged due to external factors when not used, the service life of the lightning rod is prolonged, and the wind driven generator is prevented from being out of order due to lightning stroke.
Description
Technical Field
The invention relates to the technical field of wind driven generators, in particular to a lightning arrester for a blade tip of a wind driven generator blade.
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-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has 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 rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
The lightning arrester of the existing vertical axis wind driven generator, effective protection of the lightning rod can not be achieved when the lightning arrester is not used, the service life of the lightning rod is shortened, when the lightning arrester is used in rainy days, automatic stopping of the generator can not be achieved, the generator can continuously work in rainy days, rainwater can enter the generator through the rotating position of the wind driven generator, the generator is damaged, effective lubrication of the rotating shaft of the wind driven generator can not be achieved, the resistance of the wind driven generator is large when the wind driven generator works, the power generation efficiency is reduced, and therefore the lightning arrester for the blade tips of the wind driven generator is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when the lightning arrester is not used in rainy days, effective protection on the lightning arrester cannot be realized, the service life of the lightning arrester is shortened, when the lightning arrester is used in rainy days, automatic stop on a generator cannot be realized, the generator can continuously work in rainy days, rainwater enters the generator through the rotating part of the wind driven generator, the generator is damaged, effective lubrication on the rotating shaft of the wind driven generator cannot be realized, the resistance of the wind driven generator is large during working, and the generating efficiency is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind turbine blade tip lightning protection device comprising:
the lightning rod is connected with the top of the sleeve in a sliding manner, and a driving mechanism is arranged in the rotating shaft and provides power for the whole device;
the lifting assembly is driven by the driving mechanism, is arranged in the rotating shaft and is used for lifting the lightning rod;
the brake assembly is arranged on the outer side wall of the rotating shaft and used for limiting the position of the rotating shaft;
the oil injection mechanism is installed on the sleeve and driven by the brake assembly, and the oil injection mechanism is used for lubricating the inner side wall of the sleeve.
Preferably, the driving mechanism comprises a guide ring, a push plate, a return spring and a threaded rod; the water conservancy diversion ring is installed the top of pivot, the lateral wall of push pedal with the inside wall sliding connection of pivot, the bottom of push pedal with reset spring's top fixed connection, reset spring's bottom with the inside wall fixed connection of pivot, the push pedal with the threaded rod is connected through the screw thread, the bottom of threaded rod with the inside wall bottom of pivot is connected through the bearing.
Preferably, the lifting assembly comprises a driving pulley, a belt, a driven pulley and a lifting rod; the lateral wall of driving pulley with the inboard wall of belt is laminated mutually, the inside wall of belt with driven pulley's the outside wall is laminated mutually, driven pulley's inside wall with the lateral wall fixed connection of lifter.
Preferably, the brake assembly comprises a sleeve, a brake rod, a brake spring, a guide plate and a brake plate; the telescopic inside wall with the lateral wall sliding connection of brake lever, the bottom of brake lever with brake spring's top fixed connection, brake spring's bottom with telescopic inside wall bottom fixed connection, the guide plate is installed on the telescopic lateral wall, the brake block is just right the bottom installation of brake lever, the lateral wall of brake block with sheathed tube lateral wall fixed connection.
Preferably, the oil injection mechanism comprises a push-pull plate, a push-pull spring, a sealing plug, a negative pressure pipe and a conveying pipe; the bottom of the push-pull plate is fixedly connected with the top of the push-pull spring, the bottom of the push-pull plate is fixedly connected with the top of the sealing plug, the outer side wall of the sealing plug is slidably connected with the inner side wall of the negative pressure pipe, the bottom of the negative pressure pipe is fixedly connected with the top of the conveying pipe, the conveying pipe is installed on the side wall of the sleeve, and the negative pressure pipe is installed inside the side wall of the sleeve.
Preferably, the lateral wall fixedly connected with blade of pivot, the bottom fixedly connected with transfer line of pivot, the lateral wall fixedly connected with drain pipe of pivot, sheathed tube lateral wall fixedly connected with oil tank.
Preferably, the drain pipe penetrates through the side wall of the rotating shaft and extends to the top of the sleeve, and the bottom end of the drain pipe is flush with the top end of the sleeve.
Preferably, the inside wall of driving pulley with the outside wall fixed connection of threaded rod, the bottom of lifter with the inside wall bottom of pivot is connected through the bearing, the outside wall of lifter with the inside wall of lightning rod is connected through the screw thread.
Preferably, the outer side wall of the push-pull plate is slidably connected with the inner side wall of the brake plate, and the delivery pipe penetrates through the side wall of the sleeve and extends to the inside of the oil tank.
Compared with the prior art, the invention has the beneficial effects that:
1. when the lightning rod is used, rainwater is collected through the guide ring in rainy days, so that the rainwater enters the inside of the rotating shaft, the push plate is pushed downwards to move under the continuous collection of the rainwater and the gravity action of the rainwater, the threaded rod is rotated, the driving belt pulley is further driven to rotate, the lifting rod is driven to rotate through the belt and the driven belt pulley, the lightning rod is pushed to the top of the rotating shaft, effective lightning protection is realized, the lightning rod is protected when not used, the lightning rod is prevented from being damaged due to external factors when not used, the service life of the lightning rod is prolonged, and the wind driven generator is prevented from being failed due to lightning.
2. When the push pedal can't promote once more and move down under the action of gravity of rainwater, the bottom of drain pipe tip is reachd to the push pedal this moment, make the rainwater get into inside the sleeve through the drain pipe, and then push brake lever downstream under the action of gravity of rainwater, make the brake lever get into the brake block in, prescribe a limit to the position of countershaft, when preventing rainy day, the outside rainwater of generator continuous work gets into the inside of generator through the junction, lead to the generator to appear damaging, the life of generator has been prolonged.
3. The brake rod moves downwards to push the push-pull plate to move downwards, so that the sealing plug slides downwards along the inner side wall of the negative pressure pipe under the pushing action of the push-pull plate, lubricating oil extracted from the inside of the negative pressure pipe is sprayed into the inner side wall of the sleeve through the conveying pipe, the inner side wall of the sleeve is effectively lubricated, the resistance of the generator in working is reduced, and the power generation efficiency of the wind driven generator is improved.
Drawings
Fig. 1 is a schematic front perspective view of a blade tip lightning arrester of a wind turbine generator according to the present invention;
fig. 2 is a schematic front sectional perspective view of a blade tip lightning arrester of a wind turbine generator according to the present invention;
fig. 3 is a schematic side sectional view of a blade tip lightning arrester of a wind turbine generator according to the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 of a blade tip lightning arrester of a wind turbine generator according to the present invention;
fig. 5 is an enlarged schematic structural diagram at B in fig. 2 of a blade tip lightning arrester of a wind turbine generator according to the present invention;
fig. 6 is an enlarged schematic structural diagram of a blade tip lightning arrester of a wind turbine blade according to the present invention at C in fig. 3;
fig. 7 is an enlarged structural schematic diagram of a blade tip lightning arrester of a wind turbine blade provided by the invention at a position D in fig. 3.
In the figure: 1. a base; 2. a sleeve; 3. a rotating shaft; 4. a blade; 5. a transmission rod; 6. an oil tank; 7. a drive mechanism; 71. a flow guide ring; 72. pushing the plate; 73. a return spring; 74. a threaded rod; 8. a lifting assembly; 81. a drive pulley; 82. a belt; 83. a driven pulley; 84. a lifting rod; 9. a lightning rod; 10. a drain pipe; 11. a brake assembly; 111. a sleeve; 112. a brake lever; 113. a brake spring; 114. a baffle; 115. a brake plate; 12. an oil injection mechanism; 121. a push-pull plate; 122. a push-pull spring; 123. a sealing plug; 124. a negative pressure tube; 125. a delivery pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, a lightning arrester for a blade tip of a wind turbine generator includes:
the lightning protection device comprises a base 1, wherein the top of the base 1 is fixedly connected with a sleeve 2, the top of the sleeve 2 is provided with a rotating shaft 3, the inner side wall of the middle part of the rotating shaft 3 is connected with a lightning rod 9 in a sliding manner, a driving mechanism 7 is arranged inside the rotating shaft 3, and the driving mechanism 7 provides power for the work of the whole device;
the lifting assembly 8 is driven by the driving mechanism 7, the lifting assembly 8 is installed inside the rotating shaft 3, and the lifting assembly 8 is used for lifting the lightning rod 9;
the brake assembly 11, the brake assembly 11 is installed on the lateral wall of the spindle 3, the brake assembly 11 is used for limiting the position of the spindle 3;
the oil injection mechanism 12 is installed on the sleeve 2, the oil injection mechanism 12 is driven by the brake component 11, and the oil injection mechanism 12 is used for lubricating the inner side wall of the sleeve 2.
Wherein, the driving mechanism 7 comprises a guide ring 71, a push plate 72, a return spring 73 and a threaded rod 74; the guide ring 71 is arranged at the top of the rotating shaft 3, the outer side wall of the push plate 72 is in sliding connection with the inner side wall of the rotating shaft 3, the bottom of the push plate 72 is fixedly connected with the top of the reset spring 73, the bottom of the reset spring 73 is fixedly connected with the inner side wall of the rotating shaft 3, the push plate 72 is connected with the threaded rod 74 through threads, and the bottom of the threaded rod 74 is connected with the bottom of the inner side wall of the rotating shaft 3 through a bearing;
through the arrangement of the structure, the whole device is driven, resources are saved, and the device can work stably.
Wherein, the lifting assembly 8 comprises a driving pulley 81, a belt 82, a driven pulley 83 and a lifting rod 84; the outer side wall of the driving pulley 81 is attached to the inner side wall of the belt 82, the inner side wall of the belt 82 is attached to the outer side wall of the driven pulley 83, and the inner side wall of the driven pulley 83 is fixedly connected with the outer side wall of the lifting rod 84;
through the setting of above-mentioned structure, realized the release and accomodate of lightning rod 9, realized effectual lightning-arrest to realized not using the protection of lightning rod 9 when lightning rod 9, prevented that damage appears in the lightning rod 9 because external factor leads to when not using, prolonged the life of lightning rod 9, prevent that the thunderbolt from causing aerogenerator to break down.
The brake assembly 11 comprises a sleeve 111, a brake rod 112, a brake spring 113, a guide plate 114 and a brake plate 115; the inner side wall of the sleeve 111 is connected with the outer side wall of the brake rod 112 in a sliding manner, the bottom of the brake rod 112 is fixedly connected with the top of the brake spring 113, the bottom of the brake spring 113 is fixedly connected with the bottom of the inner side wall of the sleeve 111, the guide plate 114 is arranged on the side wall of the sleeve 111, the brake plate 115 is arranged right opposite to the bottom of the brake rod 112, and the side wall of the brake plate 115 is fixedly connected with the outer side wall of the sleeve 2;
through the setting of above-mentioned structure, realized prescribing a limit to the position of countershaft 3, when preventing rainy day, the external rainwater of generator continuous operation gets into the inside of generator through the junction, leads to the generator to appear damaging, has prolonged the life of generator.
The oil injection mechanism 12 comprises a push-pull plate 121, a push-pull spring 122, a sealing plug 123, a negative pressure pipe 124 and a delivery pipe 125; the bottom of the push-pull plate 121 is fixedly connected with the top of the push-pull spring 122, the bottom of the push-pull plate 121 is fixedly connected with the top of the sealing plug 123, the outer side wall of the sealing plug 123 is slidably connected with the inner side wall of the negative pressure pipe 124, the bottom of the negative pressure pipe 124 is fixedly connected with the top of the delivery pipe 125, the delivery pipe 125 is mounted on the side wall of the casing 2, the negative pressure pipe 124 is mounted inside the side wall of the casing 2, one end of the delivery pipe 125 close to the casing 2 is provided with a one-way oil injection port, and the other end of the delivery pipe 125 is provided with a one-way valve;
through the arrangement of the structure, the inner side wall of the sleeve 2 is effectively lubricated, the resistance of the generator in working is reduced, and the power generation efficiency of the wind driven generator is improved.
Wherein, the lateral wall fixedly connected with blade 4 of pivot 3, the bottom fixedly connected with transfer line 5 of pivot 3, the lateral wall fixedly connected with drain pipe 10 of pivot 3, the lateral wall fixedly connected with oil tank 6 of sleeve pipe 2.
Wherein, the drain pipe 10 penetrates the side wall of the rotating shaft 3 and extends to the top of the sleeve 111, and the bottom end of the drain pipe 10 is flush with the top end of the sleeve 111.
The inner side wall of the driving pulley 81 is fixedly connected with the outer side wall of the threaded rod 74, the bottom of the lifting rod 84 is connected with the bottom of the inner side wall of the rotating shaft 3 through a bearing, and the outer side wall of the lifting rod 84 is connected with the inner side wall of the lightning rod 9 through threads.
Wherein, the outer side wall of the push-pull plate 121 is connected with the inner side wall of the brake plate 115 in a sliding way, and the delivery pipe 125 penetrates through the side wall of the sleeve 2 and extends to the inside of the oil tank 6.
In the invention, when it is rainy, rainwater is collected by the diversion ring 71, so that the rainwater enters the inside of the rotating shaft 3, the push plate 72 is pushed downwards to move by continuous collection of the rainwater and the gravity action of the rainwater, the threaded rod 74 rotates, the driving pulley 81 is further driven to rotate, the lifting rod 84 is driven to rotate by the belt 82 and the driven pulley 83, the lightning rod 9 is pushed to the top of the rotating shaft 3, when the push plate 72 cannot be pushed downwards again under the gravity action of the rainwater, the push plate 72 reaches the bottom of the end part of the drain pipe 10 at the moment, so that the rainwater enters the inside of the sleeve 111 through the drain pipe 10, the brake rod 112 is further pushed downwards to move under the gravity action of the rainwater, the brake rod 112 enters the brake plate 115, the position of the rotating shaft 3 is limited, and the push-pull plate 121 is pushed downwards by the downward movement of the brake rod 112, the sealing plug 123 slides downwards along the inner side wall of the negative pressure pipe 124 under the pushing action of the push-pull plate 121, and the lubricating oil extracted from the inside of the negative pressure pipe 124 is sprayed into the casing 2 through the conveying pipe 125 to effectively lubricate the inner side wall of the casing 2;
after the rain is stopped, when the rainwater in the rotating shaft 3 is completely discharged, the push plate 72 will move upwards under the action of the return spring 73 to return to the original device, in the process, the upward movement of the push plate 72 will make the threaded rod 74 rotate, and then the driving pulley 81 is driven to rotate, so that the lifting rod 84 is driven to rotate through the belt 82 and the driven pulley 83, the lightning rod 9 is stored in the rotating shaft 3, when the rainwater in the sleeve 111 is completely discharged, the brake rod 112 will move upwards under the action of the brake spring 113, the push-pull plate 121 will move upwards under the action of the push-pull spring 122, so that the sealing plug 123 slides upwards along the inner side wall of the negative pressure pipe 124 under the pushing action of the push-pull plate 121, the oil in the oil tank 6 is pumped into the negative pressure pipe 124 through the delivery pipe 125, and the next work and use is facilitated.
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 equipment 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A wind turbine blade apex lightning arrester characterized by comprising:
the lightning arrester device comprises a base (1), wherein the top of the base (1) is fixedly connected with a sleeve (2), the top of the sleeve (2) is provided with a rotating shaft (3), the inner side wall of the middle part of the rotating shaft (3) is connected with a lightning rod (9) in a sliding manner, a driving mechanism (7) is arranged inside the rotating shaft (3), and the driving mechanism (7) provides power for the work of the whole device;
the lifting assembly (8) is driven by the driving mechanism (7), the lifting assembly (8) is installed inside the rotating shaft (3), and the lifting assembly (8) is used for lifting the lightning rod (9);
the brake assembly (11), the brake assembly (11) is installed on the outer side wall of the rotating shaft (3), and the brake assembly (11) is used for limiting the position of the rotating shaft (3);
the oil injection mechanism (12) is installed on the sleeve (2), the oil injection mechanism (12) is driven by the brake component (11), and the oil injection mechanism (12) is used for lubricating the inner side wall of the sleeve (2).
2. The wind turbine blade tip arrester of claim 1, characterized in that the driving mechanism (7) comprises a guide ring (71), a push plate (72), a return spring (73) and a threaded rod (74); deflector ring (71) are installed the top of pivot (3), the lateral wall of push pedal (72) with the inside wall sliding connection of pivot (3), the bottom of push pedal (72) with the top fixed connection of reset spring (73), the bottom of reset spring (73) with the inside wall fixed connection of pivot (3), push pedal (72) with threaded rod (74) are connected through the screw thread, the bottom of threaded rod (74) with the inside wall bottom of pivot (3) is connected through the bearing.
3. Wind turbine blade tip arrester according to claim 1, characterized in that the lifting assembly (8) comprises a driving pulley (81), a belt (82), a driven pulley (83) and a lifting rod (84); the lateral wall of drive pulley (81) with the inboard wall of belt (82) is laminated mutually, the inboard wall of belt (82) with the outboard wall of driven pulley (83) is laminated mutually, the inboard wall of driven pulley (83) with the lateral wall fixed connection of lifter (84).
4. The wind turbine blade tip lightning protection device according to claim 1, characterized in that the brake assembly (11) comprises a sleeve (111), a brake lever (112), a brake spring (113), a deflector (114) and a brake plate (115); the inside wall of sleeve (111) with the lateral wall sliding connection of brake lever (112), the bottom of brake lever (112) with the top fixed connection of brake spring (113), the bottom of brake spring (113) with the inside wall bottom fixed connection of sleeve (111), guide plate (114) are installed on the lateral wall of sleeve (111), brake block (115) are just right the bottom installation of brake lever (112), the lateral wall of brake block (115) with the lateral wall fixed connection of sleeve (2).
5. The wind turbine blade tip lightning protection device according to claim 1, wherein the oil spraying mechanism (12) comprises a push-pull plate (121), a push-pull spring (122), a sealing plug (123), a negative pressure pipe (124) and a conveying pipe (125); the bottom of the push-pull plate (121) is fixedly connected with the top of the push-pull spring (122), the bottom of the push-pull plate (121) is fixedly connected with the top of the sealing plug (123), the outer side wall of the sealing plug (123) is slidably connected with the inner side wall of the negative pressure pipe (124), the bottom of the negative pressure pipe (124) is fixedly connected with the top of the conveying pipe (125), the conveying pipe (125) is installed on the side wall of the sleeve (2), and the negative pressure pipe (124) is installed inside the side wall of the sleeve (2).
6. The blade tip lightning protection device of the wind driven generator blade is characterized in that a blade (4) is fixedly connected to the outer side wall of the rotating shaft (3), a transmission rod (5) is fixedly connected to the bottom of the rotating shaft (3), a drain pipe (10) is fixedly connected to the outer side wall of the rotating shaft (3), and an oil tank (6) is fixedly connected to the outer side wall of the sleeve (2).
7. Wind turbine blade tip arrester according to claim 6, characterized in that the drain pipe (10) extends through the side wall of the rotor shaft (3) and to the top of the sleeve (111), the bottom end of the drain pipe (10) being level with the top end of the sleeve (111).
8. The blade tip lightning arrester as claimed in claim 3, wherein the inner side wall of the driving pulley (81) is fixedly connected with the outer side wall of the threaded rod (74), the bottom of the lifting rod (84) is connected with the bottom of the inner side wall of the rotating shaft (3) through a bearing, and the outer side wall of the lifting rod (84) is connected with the inner side wall of the lightning rod (9) through a thread.
9. Wind turbine blade tip arrester according to claim 5, characterized in that the outer side wall of the push-pull plate (121) is slidably connected to the inner side wall of the brake plate (115), and the duct (125) extends through the side wall of the casing (2) and into the oil tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212107.9A CN113958468A (en) | 2021-10-18 | 2021-10-18 | Blade tip lightning arrester of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212107.9A CN113958468A (en) | 2021-10-18 | 2021-10-18 | Blade tip lightning arrester of wind driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN113958468A true CN113958468A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111212107.9A Pending CN113958468A (en) | 2021-10-18 | 2021-10-18 | Blade tip lightning arrester of wind driven generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977870A (en) * | 2023-02-20 | 2023-04-18 | 东华大学 | High-safety vertical shaft power generation fan |
| CN116754848A (en) * | 2023-06-16 | 2023-09-15 | 广东华信智能交通科技有限公司 | Thunder and lightning early warning device for building |
-
2021
- 2021-10-18 CN CN202111212107.9A patent/CN113958468A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977870A (en) * | 2023-02-20 | 2023-04-18 | 东华大学 | High-safety vertical shaft power generation fan |
| CN115977870B (en) * | 2023-02-20 | 2023-09-01 | 东华大学 | Vertical axis power generation fan |
| CN116754848A (en) * | 2023-06-16 | 2023-09-15 | 广东华信智能交通科技有限公司 | Thunder and lightning early warning device for building |
| CN116754848B (en) * | 2023-06-16 | 2023-12-22 | 广东华信智能交通科技有限公司 | Thunder and lightning early warning device for building |
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Application publication date: 20220121 |
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