CN111734586A - Electric device for locking hub of wind generating set - Google Patents
Electric device for locking hub of wind generating set Download PDFInfo
- Publication number
- CN111734586A CN111734586A CN202010479235.9A CN202010479235A CN111734586A CN 111734586 A CN111734586 A CN 111734586A CN 202010479235 A CN202010479235 A CN 202010479235A CN 111734586 A CN111734586 A CN 111734586A
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- China
- Prior art keywords
- shell
- hub
- locking
- speed reducer
- generating set
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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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- 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
- F03D80/50—Maintenance or repair
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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
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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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- 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)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an electric device for locking a hub of a wind generating set, which comprises a shell, wherein one end of the shell is fixedly arranged on an installation flange, the other end of the shell is provided with an end cover, and an installation plate, a base and a speed regulating device are fixedly arranged in the shell; the side fixed mounting of mounting panel has motor and speed reducer, and the output shaft of motor runs through the mounting panel and is connected to the action wheel, and the output shaft of speed reducer runs through the mounting panel and is connected to from the driving wheel, and the action wheel is connected through driving belt between the follow driving wheel, and the other end rotation from the driving wheel is connected with the handle, and the handle runs through the end cover. The invention adopts a lead screw push rod to match with a speed reducer device to realize the locking riveting of a wheel hub, controls the forward and reverse rotation of an alternating current motor through an operation button, and drives the speed reducer to work through the transmission of the motor by a belt. After the reduction and the efficiency increase of the speed reducer, the screw rod push rod is controlled to perform telescopic motion, the purpose of locking the hub is achieved, and the defects of difficult operation, multiple mechanical faults and the like of an original operating mechanism are overcome.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to an electric device for locking a hub of a wind generating set.
Background
A hub locking mechanism commonly used by the existing wind generating set is a worm type mechanical structure, and a hub is locked in a mode that a screw bolt is manually rotated by a maintainer during working; usually, two or more persons are needed to cooperate with each other, which wastes labor and may damage the spindle locking disk if the cooperation is not proper.
In the long-time use process, the rotary bolt of the original mechanism is influenced by environmental factors such as external humidity, oxidation and the like, the rotary bolt can generate the problems of 'rust', difficult rotation and the like, the operation is time-consuming and labor-consuming, and the risk of injury and death of maintainers due to the rotation of the impeller when the high wind speed exists because the maintainers press an emergency stop button without locking the impeller lock and directly enter the hub; and the megawatt-level upgrading of the fan, the diameter of the impeller is larger and larger, and the manual turning and locking are more and more difficult.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an electric device for locking a hub of a wind generating set. After the reduction and the efficiency increase of the speed reducer, the screw rod push rod is controlled to perform telescopic motion, the purpose of locking the hub is achieved, and the defects of difficult operation, multiple mechanical faults and the like of an original operating mechanism are overcome.
The technical scheme adopted by the invention for solving the problems is as follows: an electric device for locking a hub of a wind generating set is characterized by comprising a shell, wherein one end of the shell is fixedly arranged on a mounting flange, the other end of the shell is provided with an end cover, and a mounting plate, a base and a speed regulating device are fixedly arranged in the shell;
a motor and a speed reducer are fixedly mounted on the side face of the mounting plate, an output shaft of the motor penetrates through the mounting plate and is connected to a driving wheel, an output shaft of the speed reducer penetrates through the mounting plate and is connected to a driven wheel, the driving wheel and the driven wheel are connected through a transmission belt, the other end of the driven wheel is rotatably connected with a handle, and the handle penetrates through the end cover;
the other end of the speed reducer is connected with a lead screw push rod, the other end of the lead screw push rod penetrates through the base and is connected to a fan lock connector, and the fan lock connector is arranged corresponding to the opening in the mounting flange;
speed adjusting device includes the speed governing machine, controls platform and controller, control platform fixed connection and at the lateral surface of casing, control and install the adjusting knob on the platform, the adjusting knob electricity is connected to the speed governing machine, speed governing machine fixed mounting is at the medial surface of casing to speed governing machine electricity is connected to the controller, controller fixed mounting is on the base to the motor is connected to the controller electricity.
Furthermore, a screw outer sleeve is sleeved on the outer side of the screw push rod and fixedly mounted on the base.
Further, an overload protector is arranged between the controller and the speed regulator.
Furthermore, the end cover is rotatably connected with the shell, and a handle is arranged on the end cover.
Further, the adjusting button comprises a forward button, a backward button, an emergency stop button and a power switch.
Furthermore, the screw rod push rod adopts a threaded screw rod.
Furthermore, a plurality of mounting threaded holes are formed in the mounting flange, and the mounting flange is fixedly connected with the shell through a foot rest.
Furthermore, the speed reducer is connected with the screw rod push rod through a pin key, and the screw rod push rod is connected with the fan lock connector through a pin key.
Compared with the prior art, the invention has the following advantages and effects:
1) according to the electric device for locking the hub of the wind generating set, power is provided through the motor, the motor drives the speed reducer to work through belt transmission, the speed reducer drives the lead screw push rod to stretch and retract to realize locking and riveting of the hub, time and labor are saved through motor driving, and operation is convenient.
2) The electric device for locking the hub of the wind generating set is provided with the speed regulator, and the speed regulator can be controlled to carry out forward and backward commands, so that the overall working rhythm is controlled, and the controllability is improved; and meanwhile, an overload protector is arranged, when the current in the circuit reaches or exceeds an overload protection limit value, the overload protector cuts off a power supply loop, and the motor stops working, so that the protection effect is achieved.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic sectional view taken along the plane a-a in fig. 1.
Fig. 3 is a schematic perspective internal structure diagram according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of an embodiment of the present invention.
In the figure: the emergency stop control system comprises a shell 1, an end cover 2, a mounting flange 3, an operation platform 4, a power switch 5, an emergency stop button 6, a speed regulator 7, a screw push rod 8, a fan lock connector 9, a base 10, a driving wheel 11, a driven wheel 12, a transmission belt 13, a mounting plate 14, a motor 15, a speed reducer 16, a screw outer sleeve 17 and a controller 18.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 4, in the embodiment, an electric device for locking a hub of a wind generating set includes a housing 1, one end of the housing 1 is fixedly mounted on a mounting flange 3, the other end of the housing 1 is mounted with an end cover 2, and a mounting plate 14, a base 10 and a speed adjusting device are fixedly mounted inside the housing 1.
All the electric components inside the casing 1 are electrically connected to a power supply outside the casing 1.
A plurality of mounting threaded holes are formed in the mounting flange 3, the mounting flange 3 is fixedly connected with the shell 1 through a foot rest, and the end face of the mounting flange 3 is fixed through the mounting threaded holes during working, so that a good positioning effect is achieved.
The side fixed mounting of mounting panel 14 has motor 15 and speed reducer 16, the output shaft of motor 15 runs through mounting panel 14 and is connected to action wheel 11, the output shaft of speed reducer 16 runs through mounting panel 14 and is connected to from driving wheel 12, action wheel 11 and connect through driving belt 13 from between the driving wheel 12, the other end of following driving wheel 12 rotates and is connected with the handle, the handle runs through end cover 2, end cover 2 rotates with casing 1 and is connected, and install the handle on the end cover 2, the manual rotation handle of accessible drives the action of speed reducer 16 under the condition of motor 15 accident, the rotation handle, the handle drives the rotation of speed reducer 16 and then drives the action of.
The reducer 16 adopts a three-stage planetary reducer with a reduction ratio of 75: 1.
The other end of the speed reducer 16 is connected with a screw rod push rod 8, the other end of the screw rod push rod 8 penetrates through the base 10 to be connected to a fan lock connector 9, and the fan lock connector 9 is arranged corresponding to the opening in the mounting flange 3; wherein, the outside cover of lead screw push rod 8 is equipped with lead screw overcoat 17, and lead screw overcoat 17 fixed mounting is on base 10, and lead screw overcoat 17 plays the effect of protection lead screw push rod 8, avoids rustting, dust to attach on lead screw push rod 8.
The lead screw push rods 8 are all universal threaded lead screws. Thrust force: 2000N; the speed is 5 mm/s; the stroke is 100 mm.
Speed adjusting device includes speed regulator 7, controls platform 4 and controller 18, controls platform 4 fixed connection and installs adjusting button and pilot lamp in the lateral surface of casing 1 on controlling platform 4, and the adjusting button electricity is connected to speed regulator 7, and the adjusting button carries out regulation and control including advancing the button, retreating the button, scram button 6 and switch 5, through the adjusting button.
The speed regulator 7 is fixedly arranged on the inner side surface of the shell 1, the speed regulator 7 is electrically connected to the controller 18, the controller 18 is fixedly arranged on the base 10, the controller 18 is electrically connected to the motor 15, and the controller 18 adjusts the output current according to the real-time output torque requirement; the phase sequence of the output power is adjusted according to the received input control digital signal, and the controller 18 adopts the existing product.
An overload protector is installed between the controller 18 and the governor 7. The overload protector is a current type overload protector, when the current in the circuit reaches or exceeds an overload protection limit value, the overload protector cuts off a power supply loop, the motor 15 stops working, wherein an overload keeping trigger limit value is set to be 0.25A, and when the real-time current of the loop reaches the limit value, the loop is broken to trigger an overload protection function.
The screw rod push rod 8 is a threaded screw rod, and the speed reducer 16 and the screw rod push rod 8 and the fan lock connector 9 are connected through pin keys.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. The electric device for locking the hub of the wind generating set is characterized by comprising a shell (1), wherein one end of the shell (1) is fixedly installed on an installation flange (3), the other end of the shell (1) is provided with an end cover (2), and an installation plate (14), a base (10) and a speed regulating device are fixedly installed inside the shell (1);
a motor (15) and a speed reducer (16) are fixedly mounted on the side face of the mounting plate (14), an output shaft of the motor (15) penetrates through the mounting plate (14) and is connected to a driving wheel (11), an output shaft of the speed reducer (16) penetrates through the mounting plate (14) and is connected to a driven wheel (12), the driving wheel (11) and the driven wheel (12) are connected through a transmission belt (13), the other end of the driven wheel (12) is rotatably connected with a handle, and the handle penetrates through the end cover (2);
the other end of the speed reducer (16) is connected with a lead screw push rod (8), the other end of the lead screw push rod (8) penetrates through the base (10) and is connected to a fan lock connector (9), and the fan lock connector (9) is arranged corresponding to an opening in the mounting flange (3);
the speed regulation device comprises a speed regulation machine (7), a control platform (4) and a controller (18), wherein the control platform (4) is fixedly connected to the outer side surface of a shell (1), a regulating button is mounted on the control platform (4), the regulating button is electrically connected to the speed regulation machine (7), the speed regulation machine (7) is fixedly mounted on the inner side surface of the shell (1), the speed regulation machine (7) is electrically connected to the controller (18), the controller (18) is fixedly mounted on a base (10), and the controller (18) is electrically connected to a motor (15);
the outer side of the screw push rod (8) is sleeved with a screw outer sleeve (17), and the screw outer sleeve (17) is fixedly installed on the base (10).
2. Electric hub locking device for wind turbines according to claim 1, characterized in that an overload protector is installed between said controller (18) and said governor (7).
3. The electric device for locking the hub of the wind generating set according to claim 1, characterized in that the end cover (2) is rotatably connected with the shell (1), and a handle is arranged on the end cover (2).
4. Electric device of hub locking of wind generating set according to claim 1, characterized in that the adjusting button comprises a forward button, a backward button, an emergency stop button (6) and a power switch (5).
5. The electric device for locking the hub of a wind generating set according to claim 1, characterized in that the screw rod push rod (8) is a threaded screw rod.
6. The electric device for locking the hub of the wind generating set according to claim 1, wherein the mounting flange (3) is provided with a plurality of mounting threaded holes, and the mounting flange (3) is fixedly connected with the shell (1) through a foot rest.
7. The electric device for locking the hub of the wind generating set according to claim 1, wherein the speed reducer (16) and the lead screw push rod (8) and the fan lock connector (9) are connected through pins and keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479235.9A CN111734586B (en) | 2020-05-29 | 2020-05-29 | Electric device for locking hub of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479235.9A CN111734586B (en) | 2020-05-29 | 2020-05-29 | Electric device for locking hub of wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111734586A true CN111734586A (en) | 2020-10-02 |
| CN111734586B CN111734586B (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010479235.9A Active CN111734586B (en) | 2020-05-29 | 2020-05-29 | Electric device for locking hub of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734586B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013011482A2 (en) * | 2011-07-19 | 2013-01-24 | Wilic S.Ar.L. | Wind power turbine for producing electric energy, and wind power turbine electric rotating machine rotor |
| EP2565441A1 (en) * | 2011-09-02 | 2013-03-06 | Envision Energy (Denmark) ApS | Pitch lock system |
| KR101499159B1 (en) * | 2013-10-30 | 2015-03-06 | 삼성중공업 주식회사 | wind power generator and hub locking control method |
| CN209469543U (en) * | 2018-11-05 | 2019-10-08 | 保定市昊昌电力科技有限公司 | Wind generator set blade locking device |
| CN212752038U (en) * | 2020-05-29 | 2021-03-19 | 华电电力科学研究院有限公司 | Electric device for locking hub of wind generating set |
-
2020
- 2020-05-29 CN CN202010479235.9A patent/CN111734586B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013011482A2 (en) * | 2011-07-19 | 2013-01-24 | Wilic S.Ar.L. | Wind power turbine for producing electric energy, and wind power turbine electric rotating machine rotor |
| EP2565441A1 (en) * | 2011-09-02 | 2013-03-06 | Envision Energy (Denmark) ApS | Pitch lock system |
| KR101499159B1 (en) * | 2013-10-30 | 2015-03-06 | 삼성중공업 주식회사 | wind power generator and hub locking control method |
| CN209469543U (en) * | 2018-11-05 | 2019-10-08 | 保定市昊昌电力科技有限公司 | Wind generator set blade locking device |
| CN212752038U (en) * | 2020-05-29 | 2021-03-19 | 华电电力科学研究院有限公司 | Electric device for locking hub of wind generating set |
Non-Patent Citations (1)
| Title |
|---|
| 柳胜举: "基于ANSYS的风电机组叶片锁定装置优化分析", 《机械》 * |
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| Publication number | Publication date |
|---|---|
| CN111734586B (en) | 2022-06-07 |
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