CN216554204U - Wind power plant fan braking equipment capable of protecting blades according to natural wind speed - Google Patents
Wind power plant fan braking equipment capable of protecting blades according to natural wind speed Download PDFInfo
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- CN216554204U CN216554204U CN202123298415.6U CN202123298415U CN216554204U CN 216554204 U CN216554204 U CN 216554204U CN 202123298415 U CN202123298415 U CN 202123298415U CN 216554204 U CN216554204 U CN 216554204U
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- upright post
- wind speed
- blades
- electric telescopic
- fan
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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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Abstract
The utility model discloses wind power plant fan braking equipment capable of protecting blades according to natural wind speed, which comprises an upright post, wherein the upright post is fixedly arranged on the ground, fan blades are fixedly arranged on the surface of the upright post, and a connecting shaft is movably arranged in the upright post; further comprising: the electric telescopic rod is fixedly installed inside the stand column, and the tail end of the electric telescopic rod is fixedly provided with the lower extrusion block. This can protect wind-powered electricity generation field fan braking equipment of blade according to natural wind speed when the wind speed is greater than the fan and surely goes out the wind speed, the inductor senses, controller start electric telescopic handle this moment, extrusion piece up removes under electric telescopic handle drives, the haulage rope drives the pivot rotation this moment, the pivot is through pushing extrusion piece down removal under the piece promotes, finally, extrusion piece can extrude the connecting axle with extrusion piece down, change the rotation rate of connecting axle, electric telescopic handle's flexible length can be controlled to the controller, and then the rotation rate of control connecting axle.
Description
Technical Field
The utility model relates to the technical field of wind power plants, in particular to wind power plant fan braking equipment capable of protecting blades according to natural wind speed.
Background
Wind power plants can generate electricity by utilizing wind energy, the wind energy can be converted into mechanical energy and then converted into electric energy, the wind energy is a renewable energy source, and wind power generators are usually used together with fan braking equipment, and the existing fan braking equipment has the following defects:
when the wind speed is higher than the cut-out wind speed of the fan in severe windy weather, the conventional fan braking device cannot complete the fan braking function and stop the fan, so that the blades and the fan cannot be effectively protected, and the service life of the device is short.
Aiming at the problems, innovative design is urgently needed on the basis of the original wind power plant fan braking equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide wind power plant fan braking equipment capable of protecting blades according to natural wind speed, and aims to solve the problems that in severe windy weather, when the wind speed is higher than the cut-out wind speed of a fan, the fan braking function cannot be completed, the fan stops running, the blades and the fan cannot be effectively protected, and the service life of the device is short.
In order to achieve the purpose, the utility model provides the following technical scheme: a wind power plant fan braking device capable of protecting blades according to natural wind speed comprises an upright post, wherein the upright post is fixedly arranged on the ground, fan blades are fixedly arranged on the surface of the upright post, and a connecting shaft is movably arranged in the upright post;
the right section of the connecting shaft is in an inverted T shape, and the connecting shaft is fixedly connected with the fan blades;
a wind farm fan braking device capable of protecting blades according to natural wind speed further comprises:
the sensor is fixedly arranged on the upper surface of the upright post, the controller is fixedly arranged on the upper surface of the upright post, and a cavity is formed in the upright post;
electric telescopic handle, electric telescopic handle fixed mounting be in the inside of stand, and electric telescopic handle's terminal fixed mounting has down the extrusion piece, and when the wind speed was greater than the fan and surely goes out the wind speed, the inductor sensed, and the controller started electric telescopic handle this moment, and electric telescopic handle drives down the extrusion piece and up moves.
Preferably, the inside movable mounting of stand has the pivot, the side fixedly connected with haulage rope of extrusion piece down to the winding of one side in addition of haulage rope is connected the surface of pivot, when extrusion piece up-moving was close to the connecting axle under electric telescopic handle drove, the extrusion piece drives the pivot through the haulage rope down and is rotatory inside the cavity.
Preferably, the fixed surface of pivot installs and promotes the piece, the inside movable mounting of stand have with the last extrusion piece that the extrusion piece corresponds down, and the upper surface of going up the extrusion piece with the lower surface laminating that promotes the piece, when the pivot is rotatory, the pivot drives and promotes the piece rotation, promotes the piece and can promote the extrusion piece this moment.
Preferably, the back fixed mounting who goes up the extrusion piece has the slider, the inside of stand seted up with the spout that the slider corresponds, and the inside fixed mounting of stand has spacing post, and when last extrusion piece was promoted by the promotion piece, the slider can be at the inside synchronous motion of spout.
Preferably, spacing post run through in the inside of slider, and the lower fixed surface of slider installs the miniature spring that plays the elasticity effect of resetting, and the other one side of miniature spring with the inner wall fixed connection of stand, the slider is when the spout is inside to be removed, spacing post makes the slider only move in vertical direction, the miniature spring can be extruded to the slider simultaneously, it also can be close to the connecting axle finally to go up the extrusion piece, the distance that the extrusion piece shifted up under the electric telescopic handle control, can adjust the area and the intensity of extrusion piece and lower extrusion piece and connecting axle contact, and then reach the purpose of adjustment rotational speed, when last extrusion piece and lower extrusion piece extrusion connecting axle, finally can make the connecting axle stop rotating.
Preferably, the surface of the rotating shaft is fixedly provided with a convex block, the convex block is symmetrically distributed about the center of the rotating shaft, and when the rotating shaft rotates in the cavity, the convex blocks are symmetrically distributed on two sides of the rotating shaft, so that the rotating shaft is more stable in rotation.
Preferably, the surface of the projection is fixedly connected with a torsion spring which plays a role in elastic reset, the other side of the torsion spring is fixedly connected with the inner wall of the upright post, and when the rotating shaft rotates in the cavity, the rotating shaft pulls the torsion spring through the projection.
Compared with the prior art, the utility model has the beneficial effects that: this can be according to wind-powered electricity generation field fan braking equipment of natural wind speed protection blade adopts neotype structural design, and its concrete content is as follows:
(1) when the wind speed of the wind power plant fan braking equipment capable of protecting the blades according to the natural wind speed is larger than the cut-out wind speed of the fan, the sensor senses the wind speed, the controller starts the electric telescopic rod at the moment, the electric telescopic rod drives the lower extrusion block to move upwards, the traction rope drives the rotating shaft to rotate at the moment, the rotating shaft pushes the lower extrusion block to move downwards through the pushing block, finally the upper extrusion block and the lower extrusion block can extrude the connecting shaft, the rotating speed of the connecting shaft is changed, the controller can control the telescopic length of the electric telescopic rod, and further the rotating speed of the connecting shaft is controlled;
(2) this can protect wind-powered electricity generation field fan braking equipment of blade according to natural wind speed when external wind power reduces, extrusion piece down moves under electric telescopic handle drives, the pivot loses the pulling force of haulage rope this moment, the pivot is turned around under lug and torque spring's effect this moment, the extrusion piece loses the pressure that promotes the piece on this moment, go up the extrusion piece and up move under miniature spring's effect, finally go up the extrusion piece and all get back to initial condition with the extrusion piece down, the next use of being convenient for.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a connection structure of a shaft and a bump according to the present invention;
FIG. 4 is a schematic view of the connection structure of the upper extrusion block and the sliding block of the present invention;
FIG. 5 is a schematic view of a partial front cross-sectional structure of the upper extrusion block of the present invention in an operating state.
In the figure: 1. a column; 2. a fan blade; 3. a connecting shaft; 4. a cavity; 5. an inductor; 6. a controller; 7. an electric telescopic rod; 8. a lower extrusion block; 9. an upper extrusion block; 10. a limiting column; 11. a slider; 12. a chute; 13. a micro-spring; 14. a hauling rope; 15. a rotating shaft; 16. a pushing block; 17. a bump; 18. a torsion spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a wind power plant fan braking device capable of protecting blades according to natural wind speed comprises an upright post 1, wherein the upright post 1 is fixedly arranged on the ground, fan blades 2 are fixedly arranged on the surface of the upright post 1, and a connecting shaft 3 is movably arranged in the upright post 1;
the connecting shaft 3 is in an inverted T shape in a front section, and the connecting shaft 3 is fixedly connected with the fan blades 2;
a wind farm fan braking device capable of protecting blades according to natural wind speed further comprises:
the sensor 5 is fixedly arranged on the upper surface of the upright post 1, the controller 6 is fixedly arranged on the upper surface of the upright post 1, and the cavity 4 is formed in the upright post 1;
electric telescopic handle 7, electric telescopic handle 7 fixed mounting are in the inside of stand 1, and electric telescopic handle 7's terminal fixed mounting has down extrusion piece 8.
A rotating shaft 15 is movably mounted inside the upright post 1, a traction rope 14 is fixedly connected to the side surface of the lower extrusion block 8, and the other side of the traction rope 14 is wound on the surface of the rotating shaft 15.
The surface of the rotating shaft 15 is fixedly provided with a pushing block 16, the inside of the upright post 1 is movably provided with an upper extrusion block 9 corresponding to the lower extrusion block 8, and the upper surface of the upper extrusion block 9 is attached to the lower surface of the pushing block 16.
The back of the upper extrusion block 9 is fixedly provided with a sliding block 11, the inside of the upright post 1 is provided with a sliding groove 12 corresponding to the sliding block 11, and the inside of the upright post 1 is fixedly provided with a limit post 10.
The limiting column 10 penetrates through the inside of the sliding block 11, a micro spring 13 which plays a role of elastic reset is fixedly installed on the lower surface of the sliding block 11, and the other side of the micro spring 13 is fixedly connected with the inner wall of the upright post 1.
When the wind speed is greater than the fan cut-out wind speed, inductor 5 senses, controller 6 starts electric telescopic handle 7 this moment, extrusion piece 8 up moves in the inside of cavity 4 under electric telescopic handle 7 drives, extrusion piece 8 drives pivot 15 at the inside rotation of stand 1 through haulage rope 14 down, pivot 15 drives and promotes piece 16 synchronous revolution, it can push down extrusion piece 9 to promote piece 16 this moment, it slides in the inside of spout 12 through slider 11 to go up extrusion piece 9, and spacing post 10 makes slider 11 only move in vertical direction, miniature spring 13 can be compressed by slider 11 this moment, extrusion piece 8 and last extrusion piece 9 can extrude connecting axle 3 down, change the rotational speed of connecting axle 3, finally make connecting axle 3 stall.
The surface of the rotating shaft 15 is fixedly provided with a convex block 17, the convex blocks 17 are symmetrically distributed about the center of the rotating shaft 15, the surface of the convex block 17 is fixedly connected with a torsion spring 18 which plays a role of elastic reset, and the other side of the torsion spring 18 is fixedly connected with the inner wall of the upright post 1.
When the wind speed is normal, the electric telescopic rod 7 drives the lower extrusion block 8 to move downwards, the rotating shaft 15 loses the pulling force of the traction rope 14 at the moment, the rotating shaft 15 rotates under the action of the convex block 17 and the torsion spring 18, the upper extrusion block 9 is not extruded by the pushing block 16 at the moment, the upper extrusion block 9 moves upwards under the action of the sliding block 11 and the micro spring 13, and finally the lower extrusion block 8 and the upper extrusion block 9 return to the initial state, so that the next use is facilitated.
The working principle is as follows: when the wind power plant fan braking device capable of protecting the blades according to the natural wind speed is used, firstly, the device is placed at a position needing to work, according to the graph shown in the figure 1-5, when the wind speed is larger than the cut-out wind speed of the fan, the sensor 5 senses the wind speed, at the moment, the controller 6 starts the electric telescopic rod 7, the electric telescopic rod 7 drives the lower extrusion block 8 to move upwards, the lower extrusion block 8 drives the rotating shaft 15 and the pushing block 16 to rotate through the traction rope 14, at the moment, the pushing block 16 pushes the upper extrusion block 9 downwards, the lower extrusion block 8 and the upper extrusion block 9 extrude the connecting shaft 3, the rotating speed of the connecting shaft 3 is changed, finally, the connecting shaft 3 stops rotating, when the wind speed is normal, the electric telescopic rod 7 drives the lower extrusion block 8 to move downwards, at the moment, the rotating shaft 15 loses the pulling force of the traction rope 14, the rotating shaft 15 rotates under the action of the lug 17 and the torsion spring 18, at the moment, the upper extrusion block 9 moves upwards under the action of the sliding block 11 and the micro spring 13, finally, the lower extrusion block 8 and the upper extrusion block 9 return to the initial state, so that the next use is facilitated.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A wind power plant fan braking device capable of protecting blades according to natural wind speed comprises an upright post, wherein the upright post is fixedly arranged on the ground, fan blades are fixedly arranged on the surface of the upright post, and a connecting shaft is movably arranged in the upright post;
the right section of the connecting shaft is in an inverted T shape, and the connecting shaft is fixedly connected with the fan blades;
it is characterized by also comprising:
the sensor is fixedly arranged on the upper surface of the upright post, the controller is fixedly arranged on the upper surface of the upright post, and a cavity is formed in the upright post;
the electric telescopic rod is fixedly installed inside the stand column, and the tail end of the electric telescopic rod is fixedly provided with the lower extrusion block.
2. A wind farm fan brake device capable of protecting blades from natural wind speed according to claim 1, characterised in that: the inner movable mounting of the upright post is provided with a rotating shaft, the side surface of the lower extrusion block is fixedly connected with a traction rope, and the other side of the traction rope is wound and connected on the surface of the rotating shaft.
3. A wind farm fan brake device capable of protecting blades from natural wind speed according to claim 2, characterised in that: the fixed surface of pivot installs and promotes the piece, the inside movable mounting of stand have with the last extrusion piece that the extrusion piece corresponds down, and the upper surface of going up the extrusion piece with promote the lower surface laminating of piece.
4. A wind farm fan brake device capable of protecting blades from natural wind speed according to claim 3, characterised in that: the back fixed mounting of going up the extrusion piece has the slider, the inside of stand seted up with the spout that the slider corresponds, and the inside fixed mounting of stand has spacing post.
5. A wind farm fan brake device with protection of blades from natural wind speed according to claim 4, characterised in that: the limiting column penetrates through the inside of the sliding block, the lower surface of the sliding block is fixedly provided with a miniature spring which plays a role in elastic reset, and the other side of the miniature spring is fixedly connected with the inner wall of the upright column.
6. A wind farm fan brake device with protection of blades from natural wind speed according to claim 5, characterised in that: the surface of the rotating shaft is fixedly provided with a lug, and the lug is symmetrically distributed about the center of the rotating shaft.
7. A wind farm fan brake device with protection of blades from natural wind speed according to claim 6, characterised in that: the surface of the lug is fixedly connected with a torsion spring which plays a role in elastic reset, and the other side of the torsion spring is fixedly connected with the inner wall of the upright post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123298415.6U CN216554204U (en) | 2021-12-24 | 2021-12-24 | Wind power plant fan braking equipment capable of protecting blades according to natural wind speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123298415.6U CN216554204U (en) | 2021-12-24 | 2021-12-24 | Wind power plant fan braking equipment capable of protecting blades according to natural wind speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554204U true CN216554204U (en) | 2022-05-17 |
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ID=81555783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123298415.6U Active CN216554204U (en) | 2021-12-24 | 2021-12-24 | Wind power plant fan braking equipment capable of protecting blades according to natural wind speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554204U (en) |
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2021
- 2021-12-24 CN CN202123298415.6U patent/CN216554204U/en active Active
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