CN214698165U - A brake protection device for wind turbines - Google Patents
A brake protection device for wind turbines Download PDFInfo
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- CN214698165U CN214698165U CN202022622047.5U CN202022622047U CN214698165U CN 214698165 U CN214698165 U CN 214698165U CN 202022622047 U CN202022622047 U CN 202022622047U CN 214698165 U CN214698165 U CN 214698165U
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- fixedly connected
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- rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000979 retarding effect Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Wind Motors (AREA)
Abstract
本实用新型提供一种风力发电机的制动保护装置。所述风力发电机的制动保护装置包括：发电机连接杆，所述发电机连接杆的一侧固定连接有连接框，所述连接框的顶部固定连接有电箱，所述电箱的底部转动连接有双向螺纹杆，所述双向螺纹杆的外部转动连接有四个转动连接环，四个所述转动连接环分别两两转动连接于双向螺纹杆两种螺纹的外部，两个所述转动连接环的外部转动连接有传动框。本实用新型提供的一种风力发电机的制动保护装置能够在风力较大时能够自动对转轴进行限速，使得电机得到了较好的保护，同时通过额外制动块的设置对电机转轴起到了保护作用，使得在进行急停时不会对转轴造成磨损，提高了电机转轴的使用寿命。
The utility model provides a braking protection device of a wind power generator. The braking protection device of the wind turbine includes: a generator connecting rod, a connecting frame is fixedly connected to one side of the generator connecting rod, an electric box is fixedly connected to the top of the connecting frame, and the bottom of the electric box is fixedly connected. A two-way threaded rod is rotatably connected, and the outside of the two-way threaded rod is rotatably connected with four rotating connecting rings. A transmission frame is rotatably connected to the outside of the connecting ring. The braking protection device of the wind power generator provided by the utility model can automatically limit the speed of the rotating shaft when the wind is strong, so that the motor can be better protected, and meanwhile, the rotating shaft of the motor can be prevented from being damaged by the setting of the extra braking block. With the protection function, the rotating shaft will not be worn during the emergency stop, and the service life of the rotating shaft of the motor is improved.
Description
Technical Field
The utility model relates to a wind power generation field especially relates to a aerogenerator's braking protection device.
Background
The wind driven generator is a device for converting wind energy into electric energy, the wind energy is a safe and reliable green energy, different wind driven generators have certain requirements on wind speed, and in the normal operation process of the wind driven generator, when the wind speed is higher than or lower than a designed range, emergency shutdown braking is needed, and when the wind driven generator breaks down and needs to be overhauled, the wind driven generator needs to be shut down first.
The braking protection is an important protection content of the wind driven generator, and due to the instability and unpredictability of wind power, the wind driven generator must include a device which can prevent the wind driven generator from galloping in the case of strong wind, and if the wind driven generator is braked rapidly, the generator is damaged, so that the service life of the generator is shortened, the wind driven generator needs to be stopped by the same worker when being overhauled, and the direct forced rotation stopping causes certain damage to a rotating shaft of the motor, so that the rotating shaft can be broken in the past.
Therefore, it is necessary to provide a brake protection device for a wind turbine to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a aerogenerator's braking protection device has solved if can cause the damage to the generator rapidly braking, and the direct stall of forcing can cause the problem of certain damage to the pivot of motor.
In order to solve the above technical problem, the utility model provides a pair of aerogenerator's braking protection device includes: the generator connecting rod, one side fixedly connected with connecting frame of generator connecting rod, the top fixedly connected with electronic box of connecting frame, the bottom of electronic box is rotated and is connected with the two-way threaded rod, the outside of two-way threaded rod is rotated and is connected with four and rotates the go-between, four it connects in the outside of two kinds of screw threads of two-way threaded rod respectively two liang of rotations to rotate the go-between the outside of rotation is connected with the transmission frame, the equal fixedly connected with slip bracing piece in both sides of transmission frame, the top fixedly connected with of transmission frame retards the speed device, slotted is seted up to inside cavity of connecting frame and both sides, there is the small-size motor that drives through the fan power supply in the inside of electronic box, the transmission frame is seted up slotted frame for inside cavity top and bottom.
Preferably, the retarding device includes the retarding piece, the bottom fixedly connected with elastic component of retarding piece inner wall, the sliding tray has all been seted up to the both sides of retarding piece inner wall, the top fixedly connected with connecting block of elastic component, the equal fixedly connected with sliding connection pole in both sides of connecting block, the top fixedly connected with rubber deceleration strip of connecting block, two the equal sliding connection in inside of sliding tray in both ends that sliding connection pole departed mutually, the rubber deceleration strip is the preparation of rubber material, the rubber deceleration strip is the external shape phase-match of arc and first rotation pole, the retarding piece is the U type.
Preferably, the other side of the generator connecting rod is fixedly connected with a motor shell, one side of the top of the motor shell is fixedly connected with a protection frame, the inside of the protection frame is fixedly connected with a micro motor, one end of an output shaft of the micro motor is fixedly connected with a clamping lifting rod, the outside of the clamping lifting rod is rotatably connected with two lifting rotating blocks, an extending rotating block is respectively and slidably connected in two grooves formed in one side of the inner wall of the motor shell, a second rotating rod is fixedly connected between the two extending rotating blocks, three braking rings are fixedly connected to the outside of the second rotating rod, a third rotating rod is rotatably connected between the top and the bottom of one side of the extending rotating block, the outside of the third rotating rod is fixedly connected with a connecting rotating block, two opposite threads are formed in the outside of the clamping lifting rod, one side of the connecting rotating block is clamped in a groove formed in the outside of the lifting rotating block, the position and the size of the brake ring are matched with those of a circular groove formed in the outer portion of the brake block, and the brake ring is made of wear-resistant rubber materials.
Preferably, one side of the inside of the motor shell is fixedly connected with a motor, one end of the motor output shaft is fixedly connected with a brake block, one side of the brake block is fixedly connected with a first rotating rod, three circular grooves are formed in the outer portion of the brake block, and the first rotating rod is a main shaft of a power generation fan connected with the motor.
Preferably, the inside of the motor housing and the top of the brake pad are fixedly connected with a heat dissipation fan, and the heat dissipation fan is an existing device and used for dissipating heat when the first rotating rod is suddenly stopped.
Preferably, the top of the electrical box is fixedly connected with a connecting rod, one side of the connecting rod is rotatably connected with a fan, the direction of the fan is consistent with the direction of the fan of the wind driven generator, and the connecting rod is hollow.
Preferably, a shielding plate is fixedly connected to the top of the motor housing and located on one side of the protection frame, and the shielding plate is located on the top of the heat dissipation fan.
Compared with the prior art, the utility model provides a pair of aerogenerator's braking protection device has following beneficial effect:
the utility model provides a aerogenerator's braking protection device, big or small fan according to wind-force rotates and supplies power for the electronic box, make two-way threaded rod rotate through the electronic box and drive two rotation go-between rotations, two rotations rotation of go-between make two transmission frames be close to, being close to of two transmission frames makes the first rotation pole of two rubber deceleration strip contacts, can carry out the speed limit to the pivot automatically when wind-force is great, make the motor obtain better protection, it rotates to make two lift turning blocks be close to drive the chucking lifter through micro motor simultaneously, being close to of two lift turning blocks makes the inside of brake block card income brake block make the pivot stall, the setting of extra brake block has played the guard action to the motor shaft, make can not cause wearing and tearing to the axle when carrying out emergency stop, the life of motor shaft has been improved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a braking protection device of a wind turbine provided in the present invention;
FIG. 2 is a schematic structural view of the transmission shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of the portion B shown in FIG. 1;
fig. 5 is a schematic structural view of the retarder shown in fig. 1.
Reference numbers in the figures: 1. the connecting rod, 2, a fan, 3, an electric box, 4, a speed buffer device, 5, a bidirectional threaded rod, 6, a first rotating rod, 7, a connecting frame, 8, a generator connecting rod, 9, a clamping lifting rod, 10, a second rotating rod, 11, a brake ring, 12, a brake block, 13, a protective frame, 14, a micro motor, 15, a baffle plate, 16, a heat dissipation fan, 17, a motor shell, 18, a motor, 19, a lifting rotating block, 20, a third rotating rod, 21, a connecting rotating block, 22, an extending rotating block, 23, a transmission frame, 24, a sliding supporting rod, 25, a rotating connecting ring, 401, a rubber belt, 402, a connecting block, 403, a sliding connecting rod, 404, an elastic piece, 405, a sliding groove, 406 and a speed buffer block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a braking protection device of a wind turbine generator according to the present invention; FIG. 2 is a schematic structural view of the transmission shown in FIG. 1; FIG. 3 is an enlarged view of portion A of FIG. 1; FIG. 4 is an enlarged view of the portion B shown in FIG. 1; fig. 5 is a schematic structural view of the retarder shown in fig. 1. A brake protection device of a wind power generator includes: the electric box comprises a generator connecting rod 8, a connecting frame 7 is fixedly connected to one side of the generator connecting rod 8, an electric box 3 is fixedly connected to the top of the connecting frame 7, a bidirectional threaded rod 5 is rotatably connected to the bottom of the electric box 3, four rotating connecting rings 25 are rotatably connected to the outer portions of two threads of the bidirectional threaded rod 5 in a two-by-two manner, two rotating connecting rings 25 are rotatably connected to the outer portions of two threads of the bidirectional threaded rod 5 in a two-by-two manner, a transmission frame 23 is rotatably connected to the outer portions of the two rotating connecting rings 25, sliding support rods 24 are fixedly connected to both sides of the transmission frame 23, a speed reducing device 4 is fixedly connected to the top of the transmission frame 23, the connecting frame 7 is hollow inside, grooves are formed in both sides of the connecting frame for the first rotating rod 6 to pass through, a small motor driven by the power supplied by a fan 2 is arranged inside the electric box 3, and the transmission frame 23 is a frame with grooves formed in the top and the bottom of the hollow inside, the retarder 4 is used for performing a decelerating action on the first rotating lever 6.
The other side of the generator connecting rod 8 is fixedly connected with a motor shell 17, one side of the top of the motor shell 17 is fixedly connected with a protective frame 13, the inside of the protective frame 13 is fixedly connected with a micro motor 14, one end of the output shaft of the micro motor 14 is fixedly connected with a clamping lifting rod 9, the outside of the clamping lifting rod 9 is rotatably connected with two lifting rotating blocks 19, two grooves formed in one side of the inner wall of the motor shell 17 are both slidably connected with an extending rotating block 22, a second rotating rod 10 is fixedly connected between the two extending rotating blocks 22, three braking rings 11 are fixedly connected to the outside of the second rotating rod 10, a third rotating rod 20 is rotatably connected between the top and the bottom of the groove formed in one side of the extending rotating block 22, the outside of the third rotating rod 20 is fixedly connected with a connecting rotating block 21, two opposite threads are formed in the outside of the clamping lifting rod 9, one side of the connecting rotating block 21 is clamped in a groove formed in the outer portion of the lifting rotating block 19, the position and the size of the brake ring 11 are matched with those of a circular groove formed in the outer portion of the brake block 12, and the brake ring 11 is made of wear-resistant rubber materials and used for stopping the rotation of the first rotating rod 6.
The motor is characterized in that a motor 18 is fixedly connected to one side of the interior of the motor shell 17, a brake block 12 is fixedly connected to one end of an output shaft of the motor 18, a first rotating rod 6 is fixedly connected to one side of the brake block 12, three circular grooves are formed in the exterior of the brake block 12, and the first rotating rod 6 is a main shaft of a power generation fan connected with the motor.
A heat dissipation fan 16 is fixedly connected to the inside of the motor housing 17 and located at the top of the brake pad 12, and the heat dissipation fan 16 is an existing device and is used for dissipating heat when the first rotating rod 6 is suddenly stopped.
The top fixedly connected with connecting rod 1 of electronic box 3, one side of connecting rod 1 rotates and is connected with fan 2, the direction of fan 2 is unanimous with aerogenerator's fan orientation, connecting rod 1 is the transmission protection that inside cavity was used for the circuit.
The top of the motor housing 17 is fixedly connected with a shielding plate 15 at one side of the protection frame 13, the shielding plate 15 is located at the top of the position of the heat dissipation fan 16, and the shielding plate 15 is used for shielding the heat dissipation fan 16 from rainwater.
The utility model provides a pair of aerogenerator's braking protection device's theory of operation as follows:
during operation, under the great condition of wind-force, fan 2 rotates and supplies power for electronic box 3, make two-way threaded rod 5 rotate through electronic box 3 and drive two rotation go-between 25 rotations, two rotation of rotating go-between 25 make two transmission frames 23 be close to, two being close to of transmission frame 23 make two rubber deceleration strip 401 contact first rotation pole 6, the slew velocity to first rotation pole 6 limits, when the workman needs to shut down the maintenance, it makes two lift turning blocks 19 to rotate to drive chucking lifter 9 and make through starting micro motor 14, two being close to of lift turning block 19 make the inside of brake ring 11 card income brake pads 12 make the pivot stall, simultaneously when carrying out emergency stop radiating fan 16 operates and gives out the heat of inside when emergency stop.
Compared with the prior art, the utility model provides a pair of aerogenerator's braking protection device has following beneficial effect:
according to the big or small fan 2 of wind-force and rotate and supply power for electronic box 3, make two-way threaded rod 5 rotate and drive two rotation go-between 25 rotations through electronic box 3, two rotation go-between 25 rotate and make two transmission frames 23 be close to, two being close to of transmission frame 23 make two rubber deceleration strip 401 contact first rotation pole 6, can carry out the speed limit to the pivot automatically when wind-force is great, make the motor obtain better protection, it makes two lift turning blocks 19 be close to drive chucking lifter 9 through micro motor 14 simultaneously, two being close to of lift turning block 19 make the inside of brake block 12 of braking ring 11 card income make the pivot stall, the setting of extra brake block 12 has played the guard action to the motor shaft, make can not cause wearing and tearing to the shaft when carrying out scram, the life of motor shaft has been improved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022622047.5U CN214698165U (en) | 2020-11-13 | 2020-11-13 | A brake protection device for wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022622047.5U CN214698165U (en) | 2020-11-13 | 2020-11-13 | A brake protection device for wind turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698165U true CN214698165U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022622047.5U Expired - Fee Related CN214698165U (en) | 2020-11-13 | 2020-11-13 | A brake protection device for wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108613A1 (en) * | 2021-12-17 | 2023-06-22 | 华能汕尾风力发电有限公司 | Small wind turbine |
-
2020
- 2020-11-13 CN CN202022622047.5U patent/CN214698165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108613A1 (en) * | 2021-12-17 | 2023-06-22 | 华能汕尾风力发电有限公司 | Small wind turbine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |