CN221053846U - Speed limiting device of wind driven generator - Google Patents
Speed limiting device of wind driven generator Download PDFInfo
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- CN221053846U CN221053846U CN202322515054.9U CN202322515054U CN221053846U CN 221053846 U CN221053846 U CN 221053846U CN 202322515054 U CN202322515054 U CN 202322515054U CN 221053846 U CN221053846 U CN 221053846U
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- speed limiting
- box
- fixedly connected
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- speed
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000010030 laminating Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Wind Motors (AREA)
Abstract
The utility model discloses a speed limiting device of a wind driven generator, which comprises an operation box and fan blades arranged on the side wall of the operation box, wherein the outer walls of the fan blades are fixedly connected with a rotating shaft, one ends of the rotating shafts, far away from the fan blades, are rotatably arranged in the operation box, the inner walls of the operation box are fixedly connected with connecting blocks, the inside of the operation box is fixedly provided with a fixed box through the connecting blocks, the inside of the fixed box is rotatably connected with a speed limiting disc, the outer walls of the rotating shafts are fixedly connected with limiting blocks, the outer walls of the limiting blocks are rotatably provided with rotating rods through torsion springs, the outer walls of the rotating rods are fixedly connected with clamping blocks, and the clamping blocks are meshed with the speed limiting disc. According to the utility model, when the rotating speed of the rotating shaft exceeds the set speed threshold, the clamping block overturns along the axis of the rotating rod due to the centrifugal force generated by the rotation of the rotating shaft, so that the clamping block is meshed with the speed limiting disc, the speed limiting disc is driven to synchronously rotate in the fixed box by the clamping block, and the rotating speed of the rotating shaft is slowed down by the friction force between the speed limiting disc and the fixed box, so that the speed limiting effect of the rotating shaft is realized.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a speed limiting device of a wind power generator.
Background
The wind driven generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, the wind driven generator generally comprises a wind wheel, a generator (comprising a device), a direction regulator (tail wing), a tower, a speed limiting safety mechanism, an energy storage device and other components, the working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates to generate electricity under the driving of the wind wheel shaft, so that the wind energy is also solar energy in a broad sense, and the wind driven generator is also called as a wind driven generator, and uses the solar energy as a heat source and uses the heat energy of the air as a working medium.
In the prior art, most wind driven generators in practical application, when the wind driven generator encounters strong wind, the rotating speed of the blades of the wind driven generator can be increased rapidly, and due to limited power of the generator, the generator can be damaged due to overload operation directly due to the excessively high rotating speed, so that safety accidents are likely to be caused.
Therefore, we propose a wind-driven generator speed limiting device.
Disclosure of utility model
The utility model aims to solve the problem that a wind driven generator is easy to overspeed, and provides a wind driven generator speed limiting device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a aerogenerator overspeed device tensioner, includes the control box and installs the flabellum at the control box lateral wall, its characterized in that: the utility model discloses a fan blade, including fan blade, control box, rotation axis, fixed box, rotation axis, control box, fixed box, rotation axis one end of fan blade is kept away from to the rotation axis, the one end of fan blade is kept away from to the rotation axis is installed in the inside of control box, the inner wall fixedly connected with connecting block of control box, the inside of control box is through connecting block fixed mounting there being fixed box, the inside rotation of fixed box is connected with the speed limit dish, the rotation axis is inserted in the speed limit dish, the outer wall fixedly connected with stopper of rotation axis, the dwang is installed through torsional spring rotation to the outer wall of stopper, the outer wall fixedly connected with fixture block of dwang, fixture block and speed limit dish meshing mutually.
Preferably, the outer wall fixedly connected with reset spring of fixture block, the one end that reset spring kept away from the fixture block is fixedly connected with the outer wall of axis of rotation.
Preferably, the outer wall arc of fixture block sets up, the outer wall of fixture block and the outer wall slip laminating of speed limit dish.
Preferably, the inside fixedly connected with electric putter of operation box, electric putter is close to the one end fixedly connected with magnetic block of fixed box, magnetic block and fixture block looks mutual attraction.
Preferably, a plurality of magnetic blocks are arranged, and at least two magnetic blocks are symmetrically arranged on two sides of the fixed box.
Preferably, a buffer cushion for increasing friction is arranged between the speed limiting disc and the fixed box.
Preferably, the axis of the fixed box and the axis of the speed limiting disc coincide with the axis of the rotating shaft.
Compared with the prior art, the utility model has the advantages that:
According to the utility model, through the arrangement of the fixed box, the speed limiting disc, the clamping blocks and the reset springs, when the rotating speed of the rotating shaft exceeds the set speed threshold, the clamping blocks can turn over along the axis of the rotating rod due to the centrifugal force generated by the rotation of the rotating shaft, so that the clamping blocks are meshed with the speed limiting disc, the speed limiting disc is driven to synchronously rotate in the fixed box through the clamping blocks, and the rotating speed of the rotating shaft is slowed down through the friction between the speed limiting disc and the fixed box, so that the speed limiting effect of the rotating shaft is realized.
Drawings
FIG. 1 is a schematic view of a wind turbine.
Fig. 2 is a cross-sectional view of the operation box.
Fig. 3 is a schematic view of the structure of the stationary box.
FIG. 4 is a schematic view of the installation of a speed limiting disc
FIG. 5 is a schematic view of the installation of the stop block
FIG. 6 is an enlarged view at A in FIG. 4
In the figure: 1. an operation box; 2. a fan blade; 3. a rotating shaft; 4. a connecting block; 5. a fixed box; 6. an electric push rod; 7. a magnetic block; 8. a speed limiting disc; 9. a cushion pad; 10. a limiting block; 11. a rotating lever; 12. a clamping block; 13. and a return spring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1-6, a speed limiting device of a wind driven generator comprises an operation box 1 and fan blades 2, wherein a rotating shaft 3 is inserted in the operation box 1, the fan blades 2 are installed on the rotating shaft 3, a connecting block 4 is fixedly connected to the inner wall of the operation box 1, a fixing box 5 is fixedly installed in the operation box 1 through the connecting block 4, and a speed limiting disc 8 is rotatably connected in the fixing box 5.
The outer wall fixedly connected with stopper 10 of axis of rotation 3, the outer wall of stopper 10 is rotated through the torsional spring and is installed dwang 11, and the outer wall fixedly connected with fixture block 12 of dwang 11, fixture block 12 meshes with speed limit dish 8.
In this embodiment: in the prior art, the fan blades 2 are driven to rotate through external wind power, the rotating shaft 3 is driven to rotate, energy is generated, the effect of power generation is achieved, the fan blades 2 are installed on one side of the operation box 1, the operation box 1 is installed at a set position of wind power generation through a pillar, wind energy is used for power generation, the rotating shaft 3 penetrates through the fixing box 5, when the fan blades 2 are required to be limited in speed, the rotating shaft 3 is limited in speed through the fixing box 5, and an operator is convenient to control the rotating speed of the rotating shaft 3.
The outer wall of fixture block 12 rotates the laminating with the inner wall of fixed case 5, and the outer wall of speed limit dish 8 rotates the laminating with the inner wall of fixed case 5, axis of rotation 3 passes through stopper 10's setting, firm installation is in the inside of fixed case 5, make axis of rotation 3 be difficult for producing the skew in fixed case 5 simultaneously in the pivoted, the rotational speed of axis of rotation 3 exceeds standard rotational speed, when the rotation to axis of rotation 3 needs to carry out the speed limit, fixture block 12 can be because the produced centrifugal force of axis of rotation 3 rotation is followed the axis upset of dwang 11, make fixture block 12 and speed limit dish 8 mesh, drive speed limit dish 8 and rotate in step in the inside of fixed case 5 through fixture block 12, and then slow down the rotational speed of axis of rotation 3 through the frictional force between speed limit dish 8 and the fixed case 5, slow down axis of rotation 3, realize the effect to axis of rotation 3 speed limit.
Referring to fig. 1-6, in the drawings, a return spring 13 is fixedly connected to an outer wall of the clamping block 12, and one end of the return spring 13 away from the clamping block 12 is fixedly connected to an outer wall of the rotating shaft 3.
In this embodiment: through setting up of reset spring 13, make fixture block 12 by reset spring 13 pull, make fixture block 12 be difficult for with speed limit dish 8 contact, the operator can change reset spring 13 of different models simultaneously according to the in-service use demand, when making the rotational speed of axis of rotation 3 surpass a certain rotational speed threshold value, the centrifugal force that produces can throw out fixture block 12 and speed limit dish 8 meshing, reaches the purpose of speed limit, and the operator can change different springs according to required threshold value.
Referring to fig. 1-6, the outer wall of the clamping block 12 is arranged in an arc shape in the drawing, and the outer wall of the clamping block 12 is in sliding fit with the outer wall of the speed limiting disc 8.
In this embodiment: the contact area between the clamping block 12 and the speed limiting disc 8 is increased, so that the clamping block 12 is further convenient for driving the speed limiting disc 8 to synchronously rotate when being meshed with the speed limiting disc 8.
Referring to fig. 1-6, in the drawings, an electric push rod 6 is fixedly connected to the inside of an operation box 1, a magnetic block 7 is fixedly connected to one end of the electric push rod 6, which is close to a fixed box 5, and the magnetic block 7 and a clamping block 12 are attracted to each other.
In this embodiment: the electric putter 6 has flexible function, when daily use, electric putter 6 is the shrink state, make magnetic block 7 break away from with fixed box 5, through the setting of electric putter 6 and magnetic block 7, the speed that needs the speed limit is not reached at axis of rotation 3, but when needs carry out the speed limit to axis of rotation 3, start electric putter 6, promote magnetic block 7 and fixed box 5 laminating, the magnetic block 7 attracts fixture block 12, the produced appeal is greater than the produced power of reset spring 13, and then make fixture block 12 and speed limit dish 8 meshing, drive speed limit dish 8 synchronous rotation, through the frictional force between speed limit dish 8 and the fixed box 5, slow down the rotational speed of axis of rotation 3, the operator of being convenient for uses.
Referring to fig. 1-6, a plurality of magnetic blocks 7 are shown, and at least two magnetic blocks 7 are symmetrically disposed on two sides of the fixed case 5.
In this embodiment: through the setting of a plurality of magnetic blocks 7, improve the effort that magnetic block 7 attracts fixture block 12, facilitate the use.
Referring to fig. 1-6, a cushion pad 9 for increasing friction is provided between the speed limiting plate 8 and the stationary case 5.
In this embodiment: through the setting of blotter 9, increase the frictional force between speed limit dish 8 and the fixed case 5, the life of extension speed limit dish 8 and fixed case 5 simultaneously.
Referring to fig. 1-6, the axis of the stationary box 5 and the axis of the speed limiting disc 8 are shown coincident with the axis of the rotating shaft 3.
In this embodiment: the outer wall of the rotating shaft 3 is rotationally attached to the inner wall of the fixed box 5, so that the rotating shaft 3 is not easy to deflect during rotation, and the service life of the rotating shaft 3 is prolonged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a aerogenerator overspeed device tensioner, includes control box (1) and installs flabellum (2) at control box (1) lateral wall, its characterized in that: the utility model discloses a speed limiting device for the electric motor of the electric motor car, including fan blade (2), rotation axis (3) keep away from the one end of fan blade (2) and rotate the inside of installing at operation box (1), the inner wall fixedly connected with connecting block (4) of operation box (1), the inside of operation box (1) is through connecting block (4) fixed mounting has fixed box (5), the inside rotation of fixed box (5) is connected with speed limiting dish (8), rotation axis (3) are inserted in speed limiting dish (8), the outer wall fixedly connected with stopper (10) of rotation axis (3), the outer wall of stopper (10) is through torsional spring rotation installation dwang (11), the outer wall fixedly connected with fixture block (12) of dwang (11), fixture block (12) mesh with speed limiting dish (8).
2. The wind driven generator speed limiting device according to claim 1, wherein the outer wall of the clamping block (12) is fixedly connected with a return spring (13), and one end of the return spring (13) away from the clamping block (12) is fixedly connected with the outer wall of the rotating shaft (3).
3. The wind driven generator speed limiting device according to claim 1, wherein the outer wall of the clamping block (12) is arranged in an arc shape, and the outer wall of the clamping block (12) is in sliding fit with the outer wall of the speed limiting disc (8).
4. The wind driven generator speed limiting device according to claim 1, wherein an electric push rod (6) is fixedly connected to the inside of the operation box (1), a magnetic block (7) is fixedly connected to one end, close to the fixing box (5), of the electric push rod (6), and the magnetic block (7) and the clamping block (12) are attracted mutually.
5. The wind driven generator speed limiting device according to claim 4, wherein a plurality of magnetic blocks (7) are arranged, and at least two magnetic blocks (7) are symmetrically arranged on two sides of the fixed box (5).
6. A wind turbine speed limiter according to claim 1, characterized in that a buffer pad (9) for increasing friction is arranged between the speed limiting disc (8) and the stationary box (5).
7. A wind turbine speed limiter according to claim 1, characterized in that the axis of the fixed box (5), the axis of the speed limiting disc (8) and the axis of the rotating shaft (3) coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515054.9U CN221053846U (en) | 2023-09-15 | 2023-09-15 | Speed limiting device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515054.9U CN221053846U (en) | 2023-09-15 | 2023-09-15 | Speed limiting device of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221053846U true CN221053846U (en) | 2024-05-31 |
Family
ID=91204424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322515054.9U Active CN221053846U (en) | 2023-09-15 | 2023-09-15 | Speed limiting device of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221053846U (en) |
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2023
- 2023-09-15 CN CN202322515054.9U patent/CN221053846U/en active Active
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