CN112283032A - Stall self-locking mechanism for transmission shaft of wind driven generator in new energy field - Google Patents
Stall self-locking mechanism for transmission shaft of wind driven generator in new energy field Download PDFInfo
- Publication number
- CN112283032A CN112283032A CN202011117197.9A CN202011117197A CN112283032A CN 112283032 A CN112283032 A CN 112283032A CN 202011117197 A CN202011117197 A CN 202011117197A CN 112283032 A CN112283032 A CN 112283032A
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- China
- Prior art keywords
- transmission shaft
- locking mechanism
- new energy
- flywheel
- wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F03D7/0256—Stall control
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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
Abstract
The invention relates to the technical field of new energy power generation, and discloses a stall self-locking mechanism for a transmission shaft of a wind driven generator in the new energy field. The rotating disc is driven to rotate by the flywheel, the flywheel can continuously rub with the friction plate, when the rotating speed of the flywheel is not high, heat generated on the friction plate is not high, and the rotating speed of the flywheel does not exceed the maximum rated rotating speed of a transmission shaft in the generator set, so that the stall self-locking mechanism cannot limit the operation of the flywheel, and the effect that the stall self-locking mechanism cannot limit the rotation of the flywheel when the rotating speed of the flywheel does not exceed the rated rotating speed is achieved.
Description
Technical Field
The invention relates to the technical field of new energy power generation, in particular to a stall self-locking mechanism for a transmission shaft of a wind driven generator in the new energy field.
Background
Since wind power generation is one of new energy resources, it has a low construction cost and a high power generation efficiency, various household wind power generation facilities are being popularized in addition to a large wind farm. The main principle of wind power generation is that wind energy is utilized to drive fan blades to rotate, and the fan blades drive a transmission shaft connected with the fan blades to rotate, so that wind power generation is realized.
The rotating speeds of the transmission shaft and the fan blades need to be limited due to the fact that the generating power of the generator set is effective, when the rotating speeds of the fan blades and the transmission shaft are too high, the temperature inside the generator rises, and the generator set is damaged, so that the rotating speed of the transmission shaft needs to be limited when exceeding a load, and the stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field is provided for solving the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a stall self-locking mechanism for a transmission shaft of a wind driven generator in the field of new energy, which has the advantages of limiting the rotation speed of the transmission shaft when the transmission shaft is overloaded, protecting a generator set from being damaged, and solving the problem that the generator set is burnt out due to the temperature rise of the generator set when the rotation speed of the rotation shaft is too high.
(II) technical scheme
In order to realize the purposes of limiting the rotating speed of the transmission shaft and protecting the generator set from being damaged when the transmission shaft is overloaded in rotation, the invention provides the following technical scheme: a stall self-locking mechanism for a transmission shaft of a wind driven generator in the field of new energy comprises a fixed disc, wherein a placing groove is formed in the inner wall of the fixed disc, the inner wall of the placing groove is fixedly provided with a spring, the interior of the placing groove is movably provided with a blocking block, the inner wall of the fixed disc is fixedly provided with a magnet, the inside of the fixed disc is movably provided with a turntable, the outer wall of the rotary table is fixedly provided with a telescopic rod, the bottom of the telescopic rod is fixedly connected with an air bag, a water tank is fixedly arranged inside the rotary disc, the outer wall of the water tank is fixedly connected with an air duct, a piston cylinder is fixedly arranged on the outer wall of the water tank, a rotary stop lever is movably arranged on the outer wall of the rotary disc, the inside fixedly connected with flywheel of carousel, the inside fixedly mounted of carousel has the friction disc, the right side fixedly connected with heat conduction pole of friction disc.
Preferably, the spring connects the stopper inside the seating groove.
Preferably, the blocking block is made of an elastic material, and the surface of the blocking block is made of a rough material.
Preferably, the magnets on the fixed disc and the rotary stop lever have opposite magnetism, and the magnets and the rotary stop lever can attract each other.
Preferably, the telescopic rod is positioned on the outer side of the rotary stop lever to limit the rotation of the rotary stop lever.
Preferably, the evaporation point of the aqueous solution in the water tank is higher than that of the aqueous solution in the telescopic rod, and the aqueous solution in the telescopic rod can be evaporated in one step.
(III) advantageous effects
Compared with the prior art, the invention provides a stall self-locking mechanism for a transmission shaft of a wind driven generator in the field of new energy, which has the following beneficial effects:
1. this stall self-locking mechanism for aerogenerator transmission shaft in new energy field drives the carousel through the flywheel and rotates, and the flywheel can constantly rub with the friction disc, and when the flywheel rotational speed was not high, the heat that produces on the friction disc was not high, and the rotational speed of flywheel did not exceed the maximum rated speed of transmission shaft in the generating set this moment to the operation of flywheel will not be restricted to stall self-locking mechanism, has reached when the flywheel rotational speed did not exceed rated speed, and stall self-locking mechanism can not restrict the flywheel pivoted effect.
2. This stall self-locking mechanism for new energy field aerogenerator transmission shaft, through flywheel and friction disc rotational speed, when the flywheel rotational speed exceeds rated revolution, aqueous solution in the telescopic link will be heated the evaporation and enter into in the gasbag, thereby the telescopic link will shrink, and simultaneously, the inside aqueous solution of water tank will evaporate and enter into the piston cylinder for the gaseous state, thereby the piston cylinder is released the rotatory pin rotation of jack-up, thereby rotatory pin will contact with the stopper on the fixed disc, give the flywheel and carry out the deceleration, and simultaneously, magnet on the rotatory pin will attract each other with the magnet on the fixed disc inner wall, give the flywheel further deceleration, reached behind the flywheel rotational speed exceeded rated speed, stall self-locking mechanism will be to the flywheel rotation restriction, make the effect of flywheel deceleration.
Drawings
FIG. 1 is a schematic structural view of a stall self-locking mechanism;
FIG. 2 is an enlarged view of the stop;
FIG. 3 is a schematic structural view of the reduction mechanism;
FIG. 4 is a schematic view of the rotation bar restraining device;
fig. 5 is a schematic structural view of the rotary bar pushing-out device.
In the figure: 1. fixing the disc; 2. a placing groove; 3. a spring; 4. a blocking block; 5. a magnet; 6. a turntable; 7. a telescopic rod; 8. an air bag; 9. a water tank; 10. an air duct; 11. a piston cylinder; 12. rotating the stop lever; 13. a flywheel; 14. a friction plate; 15. a heat conducting rod.
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, a stall self-locking mechanism for a transmission shaft of a wind driven generator in the new energy field comprises a fixed disc 1, a placement groove 2 is formed in the inner wall of the fixed disc 1, a spring 3 is fixedly installed on the inner wall of the placement groove 2, a blocking block 4 is connected inside the placement groove 2 through the spring 3, the blocking block 4 is movably installed inside the placement groove 2, the blocking block 4 is made of elastic material and is made of rough material, a magnet 5 is fixedly installed on the inner wall of the fixed disc 1, the magnet 5 on the fixed disc 1 and the magnet 5 on a rotary stop lever 12 have opposite magnetism and can attract each other, a turntable 6 is movably installed inside the fixed disc 1, a telescopic rod 7 is fixedly installed on the outer wall of the turntable 6, the telescopic rod 7 is located on the outer side of the rotary stop lever 12 to limit the rotation of the rotary stop lever 12, and an air bag 8 is fixedly connected to, the inside fixed mounting of carousel 6 has water tank 9, the evaporation point of the inside aqueous solution of water tank 9 is higher than the evaporation point of the inside aqueous solution of telescopic link 7, the inside aqueous solution of telescopic link 7 can be earlier one step of evaporation, the outer wall fixedly connected with air duct 10 of water tank 9, the outer wall fixed mounting of water tank 9 has piston cylinder 11, the outer wall movable mounting of carousel 6 has rotatory pin 12, the inside fixedly connected with flywheel 13 of carousel 6, the inside fixed mounting of carousel 6 has friction disc 14, the right side fixedly connected with heat conduction pole 15 of friction disc 14.
The working principle is that the flywheel 13 drives the turntable 6 to rotate, the flywheel 13 continuously rubs the friction plate 14, when the rotating speed of the flywheel 13 is not high, the heat generated on the friction plate 14 is not high, and at the moment, the rotating speed of the flywheel 13 does not exceed the maximum rated rotating speed of a transmission shaft in a generator set, so that the operation of the flywheel 13 is not limited by a stall self-locking mechanism, and the operation of the transmission shaft in the generator set is not changed, when the rotating speed of the flywheel 13 exceeds the rated rotating speed, the water solution in the telescopic rod 7 is heated and evaporated to enter the air bag 8, so that the telescopic rod 7 is contracted, the limitation on the movement of the rotary stop lever 12 is removed, meanwhile, the heat generated on the friction plate 14 is transmitted to the inside of the water tank 9 through the heat conducting rod 15, so that the water solution in the inside of the water tank 9 is evaporated into a gas state and, therefore, the rotary stop lever 12 will contact with the stop block 4 in the installation groove 2 in the fixed disc 1, because the stop block 4 is provided with the spring 3, when the rotary stop lever 12 contacts with the stop block 4, the rotary stop lever will rub with the stop block 4 to provide the flywheel 13 with speed reduction, when the rotary stop lever 12 contacts with the stop block 4, the spring 3 will contract, when the rotary stop lever 12 leaves from the stop block 4, the spring 3 will push out the stop block 4, meanwhile, because the magnet 5 on the rotary stop lever 12 and the magnet 5 on the inner wall of the fixed disc 1 are the magnet 5 with opposite magnetism, the magnet 5 on the rotary stop lever 12 will attract each other with the magnet 5 on the inner wall of the fixed disc 1, thereby the rotary stop lever 12 is blocked by attracting the rotary stop lever 12, and because the rotary stop lever 12 is connected with the disc on the flywheel 13, thereby providing the flywheel 13 with further speed reduction, and after the speed of the flywheel 13 exceeds the rated speed of the transmission shaft of the generator set, the stall self-locking mechanism will give the flywheel 13 a deceleration.
To sum up, in the stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field, the flywheel 13 drives the rotating disc 6 to rotate, the flywheel 13 can continuously rub against the friction plate 14, when the rotating speed of the flywheel 13 is not high, the heat generated on the friction plate 14 is not high, and the rotating speed of the flywheel 13 does not exceed the maximum rated rotating speed of the transmission shaft in the generator set, so that the stall self-locking mechanism cannot limit the operation of the flywheel 13, and the effect that the stall self-locking mechanism cannot limit the rotation of the flywheel 13 when the rotating speed of the flywheel 13 does not exceed the rated rotating speed is achieved.
In addition, according to the stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field, through the rotating speeds of the flywheel 13 and the friction plate 14, when the rotating speed of the flywheel 13 exceeds a rated rotating speed, the aqueous solution in the telescopic rod 7 is heated and evaporated to enter the air bag 8, so that the telescopic rod 7 is contracted, meanwhile, the aqueous solution in the water tank 9 is evaporated to be in a gaseous state to enter the piston cylinder 11, so that the piston cylinder 11 pushes out the jack-up rotary stop lever 12 to rotate, so that the rotary stop lever 12 is in contact with the stop block 4 on the fixed disc 1 to reduce the speed of the flywheel 13, meanwhile, the magnet 5 on the rotary stop lever 12 is mutually attracted with the magnet 5 on the inner wall of the fixed disc 1 to further reduce the speed of the flywheel 13, and after the rotating speed of the flywheel 13 exceeds the rated speed, the stall self-locking mechanism.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a stall self-locking mechanism for new energy field aerogenerator transmission shaft, includes fixed disc (1), its characterized in that: the inner wall of the fixed disc (1) is provided with a placing groove (2), the inner wall of the placing groove (2) is fixedly provided with a spring (3), the inside of the placing groove (2) is movably provided with a blocking block (4), the inner wall of the fixed disc (1) is fixedly provided with a magnet (5), the inside of the fixed disc (1) is movably provided with a turntable (6), the outer wall of the turntable (6) is fixedly provided with an expansion link (7), the bottom of the expansion link (7) is fixedly connected with an air bag (8), the inside of the turntable (6) is fixedly provided with a water tank (9), the outer wall of the water tank (9) is fixedly connected with an air duct (10), the outer wall of the water tank (9) is fixedly provided with a piston cylinder (11), the outer wall of the turntable (6) is movably provided with a rotary stop lever (12), and the inside of the turntable (6, friction plates (14) are fixedly mounted inside the rotary disc (6), and heat conducting rods (15) are fixedly connected to the right sides of the friction plates (14).
2. The stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field according to claim 1, is characterized in that: the spring (3) connects the stop block (4) inside the placing groove (2).
3. The stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field according to claim 1, is characterized in that: the blocking block (4) is made of elastic materials, and the surface of the blocking block is made of rough materials.
4. The stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field according to claim 1, is characterized in that: the magnet (5) on the fixed disc (1) and the magnet (5) on the rotary stop lever (12) have opposite magnetism, and the magnets can attract each other.
5. The stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field according to claim 1, is characterized in that: the telescopic rod (7) is positioned on the outer side of the rotary stop lever (12) and limits the rotation of the rotary stop lever (12).
6. The stall self-locking mechanism for the transmission shaft of the wind driven generator in the new energy field according to claim 1, is characterized in that: the evaporation point of the water solution in the water tank (9) is higher than that of the water solution in the telescopic rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117197.9A CN112283032A (en) | 2020-10-19 | 2020-10-19 | Stall self-locking mechanism for transmission shaft of wind driven generator in new energy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117197.9A CN112283032A (en) | 2020-10-19 | 2020-10-19 | Stall self-locking mechanism for transmission shaft of wind driven generator in new energy field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112283032A true CN112283032A (en) | 2021-01-29 |
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ID=74497709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011117197.9A Withdrawn CN112283032A (en) | 2020-10-19 | 2020-10-19 | Stall self-locking mechanism for transmission shaft of wind driven generator in new energy field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112283032A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062831A (en) * | 2021-04-12 | 2021-07-02 | 南通理工学院 | Power generation device for new energy hybrid power ship |
| CN115043346A (en) * | 2022-06-28 | 2022-09-13 | 华能中电威海风力发电有限公司 | Emergency braking device for elevator |
-
2020
- 2020-10-19 CN CN202011117197.9A patent/CN112283032A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062831A (en) * | 2021-04-12 | 2021-07-02 | 南通理工学院 | Power generation device for new energy hybrid power ship |
| CN115043346A (en) * | 2022-06-28 | 2022-09-13 | 华能中电威海风力发电有限公司 | Emergency braking device for elevator |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210129 |
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| WW01 | Invention patent application withdrawn after publication |