CN212570129U - Training platform for variable pitch system of wind generating set - Google Patents
Training platform for variable pitch system of wind generating set Download PDFInfo
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- CN212570129U CN212570129U CN202021364304.3U CN202021364304U CN212570129U CN 212570129 U CN212570129 U CN 212570129U CN 202021364304 U CN202021364304 U CN 202021364304U CN 212570129 U CN212570129 U CN 212570129U
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Abstract
The utility model discloses a practical training platform of a variable pitch system of a wind generating set, which comprises a hub, a bottom frame arranged at the bottom of the hub and three variable pitch systems arranged on the hub; the three variable pitch systems are uniformly distributed on the side surface of the hub; wherein each pitch system comprises: the device comprises a blade prosthesis, a variable pitch driving device, a battery cabinet bracket, a variable pitch bearing, a variable pitch encoder, a variable pitch shaft cabinet, a limit device collision block, a lightning protection device, a dial, a limit switch and a lubricating pinion; the variable pitch driving device comprises a variable pitch speed reducer, a variable pitch motor and a variable pitch motor gear; the outer ring of the variable-pitch bearing is connected with the hub; the inner gear ring of the variable pitch bearing is connected with the blade prosthesis; the variable pitch motor gear is meshed with an inner gear of the variable pitch bearing; a pinion of the variable pitch encoder is meshed with an inner gear ring of the variable pitch bearing; the lubricating pinion is meshed with a gear of the variable pitch motor. The practical training platform is close to reality, practical operability is strong, multi-person cooperative operation can be achieved, and practical training content is very comprehensive.
Description
Technical Field
The utility model relates to a real standard operation panel field especially relates to real standard platform of wind generating set oar system.
Background
Wind power generation is to convert kinetic energy of wind into electric energy, wind energy is regarded as a clean renewable energy source and is increasingly emphasized by countries in the world, wind power generation equipment is in the field, and the wind power generation equipment is very large and cannot be used in teaching experiments. The variable pitch system is a main device in the wind power generation equipment, and a student cannot understand the main principle and structure of the variable pitch system only by simple theoretical knowledge in teaching, and the lack of a practical training platform can cause that the related teaching effect is not ideal.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a real platform of instructing of wind generating set oar system, the main objective is solved present unable problem that is used for real experiment of instructing of oar equipment. In order to achieve the above object, the utility model mainly provides the following technical scheme: the practical training platform for the variable pitch system of the wind generating set comprises a hub, a bottom frame arranged at the bottom of the hub and three variable pitch systems arranged on the hub; the three variable pitch systems are uniformly distributed on the side surface of the hub; wherein each pitch system comprises: the device comprises a blade prosthesis, a variable pitch driving device, a battery cabinet bracket, a variable pitch bearing, a variable pitch encoder, a variable pitch shaft cabinet, a limit device collision block, a lightning protection device, a dial, a limit switch and a lubricating pinion; the variable pitch driving device comprises a variable pitch speed reducer, a variable pitch motor and a variable pitch motor gear;
the outer ring of the variable-pitch bearing is connected with the hub; the inner gear ring of the variable pitch bearing is connected with the blade prosthesis; the variable pitch speed reducer is fixed on a flange plane of the hub, the variable pitch motor is connected with the variable pitch speed reducer, the output end of the variable pitch speed reducer is connected with a variable pitch motor gear, and the variable pitch motor gear is meshed with an inner gear of a variable pitch bearing; the battery cabinet support is fixed on a flange plane of the wheel hub, one side of the battery cabinet support is fixed with the battery cabinet, the other side of the battery cabinet support is fixed with the variable propeller shaft cabinet, the battery cabinet is arranged on the inner side of the wheel hub, and the variable propeller shaft cabinet is arranged on the outer side of the wheel hub; a pinion of the variable pitch encoder is meshed with an inner gear ring of the variable pitch bearing; the limiting device collision block is fixed on the inner ring of the variable pitch bearing and moves together with the inner ring of the variable pitch bearing; the carbon block of the lightning protection device is contacted with the inner ring of the variable pitch bearing; the dial is fixed on the outer ring of the variable-pitch bearing; the limit switch is fixed on a flange plane of the hub, the limit switch is matched with the limit device collision block, when the limit device collision block contacts the limit switch, the limit switch is triggered, and the variable pitch system stops the action of a switch paddle; the lubricating pinion is meshed with a gear of the variable pitch motor.
As a further description of the above technical solution:
the bottom of the base is provided with a caster.
The top of the hub is provided with a hub top cover plate; a hub hoisting plate is arranged on the hub top cover plate; the hub hoisting plate and the hub top cover plate are arranged on the hub top flange.
The real standard laboratory bench of change oar system still includes crane assembly and electric block, electric block hangs on crane assembly.
The crane device comprises a beam for hanging the beam electric hoist, and left and right side frames for supporting the beam; the bottom of the side frame is provided with a pulley.
The side surface of the hub is provided with a hub side cover plate.
A bearing hoisting plate is arranged on the variable pitch bearing.
The practical training platform of the variable pitch system of the wind generating set has the following beneficial effects:
(1) the close reality is as follows: the principle of the variable pitch assembly and adjustment training platform is consistent with that of a variable pitch system of a real wind turbine generator. The structure and the working principle of the wind turbine generator variable pitch system can be known and mastered by students in a real mode.
(2) The practical operability is strong: the trainees can really master the mechanical assembly, the unit debugging, the unit fault processing and other skills of the variable pitch system, and the practical applicability and the practical operability are high.
(3) Multi-person collaboration: the training platform can simultaneously meet the requirements of 3-5 people team cooperation assembly and debugging training operation.
(4) The system is comprehensive: the training platform can meet the training of a wind turbine generator system of a student systematically and comprehensively. The trainees are completely immersed in the practical training of the real unit, and the system comprehensively shows the content and practical training items of the variable pitch system of the wind turbine generator.
Drawings
Fig. 1 is the utility model discloses a become real schematic diagram of instructing laboratory bench of oar system of embodiment.
Fig. 2 is the utility model discloses a become real schematic diagram of instructing laboratory bench of oar system of embodiment.
Fig. 3 is the utility model discloses a become real local schematic diagram of instructing laboratory bench of oar system.
Fig. 4 is a schematic view of the crane of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following description, in combination with the accompanying drawings and preferred embodiments, provides a practical training platform for a pitch system of a wind turbine generator system, and its detailed description, structure, features and effects.
Example one
Referring to the attached drawings 1-4, a practical training platform of a pitch system of a wind generating set is provided in the first embodiment of the present invention, and comprises a hub 1, a bottom frame 2 arranged at the bottom of the hub, and three pitch systems arranged on the hub, wherein the three pitch systems are uniformly distributed on the side surface of the hub; wherein each pitch system comprises: the device comprises a blade prosthesis 3, a variable pitch bearing 4, a variable pitch encoder 5, a limiting device bump 6, a lightning protection device 7, a dial 8, a limiting switch 9, a battery cabinet 10, a battery cabinet bracket 11, a variable pitch shaft cabinet 12, a lubricating pinion 16 and a variable pitch driving device; the variable pitch driving device comprises a variable pitch speed reducer 13, a variable pitch motor 14 and a variable pitch motor gear 15;
the outer ring of the variable pitch bearing 4 is connected with the hub 1 through a bolt; the inner gear ring of the variable pitch bearing 4 is connected with the blade prosthesis 3 through a bolt; the variable pitch speed reducer is fixed on a flange plane of the hub through bolts, the variable pitch motor 14 is in flange connection with the variable pitch speed reducer 13, the output end of the variable pitch speed reducer 13 is connected with a variable pitch motor gear 15, the variable pitch motor gear is meshed with an inner gear of a variable pitch bearing, the variable pitch motor gear 15 drives an inner gear ring of the variable pitch bearing 4, and the inner gear ring of the variable pitch bearing is connected with the blade prosthesis 3, so that the actions of opening and closing the blades are realized; the battery cabinet bracket is fixed on a flange plane of the hub through bolts, one side of the battery cabinet bracket 11 is fixed with a battery cabinet 10, the other side is fixed with a variable propeller shaft cabinet 12, the battery cabinet 10 is arranged at the inner side of the hub 1, and the variable propeller shaft cabinet 12 is arranged at the outer side of the hub 1; a pinion of the variable pitch encoder 5 is meshed with an inner gear ring of the variable pitch bearing 4; the limiting device collision block 6 is fixed on the inner ring of the variable pitch bearing 4 through a bolt and moves together with the inner ring of the variable pitch bearing 4; the carbon block of the lightning protection device 7 is contacted with the inner ring of the variable pitch bearing 4; the dial 8 is fixed on the outer ring of the variable-pitch bearing 4 and used for displaying the variable-pitch angle; the limit switch is fixed on a flange plane of the hub, the limit switch is matched with the limit device collision block, when the limit device collision block contacts the limit switch, the limit switch is triggered, and the variable pitch system stops the action of a switch paddle; the lubrication pinion 16 meshes with the pitch motor gear 15.
A pinion of the variable pitch encoder is meshed with an inner gear ring of the variable pitch bearing;
the carbon blocks of the lightning protection device are in contact with the inner ring of the variable pitch bearing, so that the current received by the blade is led into the hub body.
The top of the hub 1 is provided with a hub top cover plate 17; a hub hoisting plate 18 is arranged on the top cover plate of the hub; the hub hoisting plate and the hub top cover plate are arranged on the hub top flange.
The real standard laboratory bench of variable pitch system still includes crane assembly 20 and electric block 19, electric block hangs on crane assembly.
The crane device comprises a beam for hanging the beam electric hoist, and left and right side frames for supporting the beam; the bottom of the side frame is provided with a pulley.
The side of the hub is provided with a hub side cover plate 21.
The pitch bearing is provided with a bearing hoisting plate 22.
A hub top cover plate 17 of the hub 1 is fixed on a top flange mounting surface of the hub through bolts; the hub hoisting plate 18 is fixed on the hub top cover plate 17 through bolts; the lubricating pinion support 23 is fixed on a flange mounting plane of the hub 1, the lubricating pinion 16 is fixed on the lubricating pinion support 23 through bolts, and the lubricating pinion is meshed with a gear of the variable pitch motor.
Table 1 shows main technical parameters of parts of components of the practical training platform of the variable pitch system of the wind generating set in the embodiment
TABLE 1 Main Components technical parameters
The following practical training experiments can be carried out by using the practical training platform of the variable pitch system of the wind generating set in the practical training process:
1. mechanical assembly training project
And (3) installing the hub and the related structural member of the variable pitch system at a specific position by using a crane, and completing a complete assembly practical training project of the variable pitch system. The training items are as follows:
(1) wheel hub and variable-pitch bearing assembly training device
(2) Real standard of wheel hub and variable pitch motor speed reducer assembly
(3) Variable-pitch battery cabinet support, battery cabinet and shaft cabinet assembly training device
(4) Variable-pitch limiting device assembly and adjustment practical training device
(5) Assembling and adjusting a variable pitch encoder;
(6) assembling training of a pitch-variable lightning protection system;
(7) assembling and debugging a variable-pitch automatic lubricating system;
(8) manual lubrication training of a variable-pitch bearing;
(9) lubrication system pipeline connection training device
2. Pitch debugging function
A. When the system is in normal operation, the pitch system automatically starts, automatically changes the pitch, automatically feathers and the like to adjust the pitch angle in real time according to the requirement of practical training, so that the safe operation of the unit is achieved.
B. In the service mode, the running direction and the running speed of the paddle can be respectively inching controlled by a manual paddle adjusting switch.
3. Fault simulation and maintenance functions
(a) Fault setting
And (4) checking and diagnosing related components one by one through analyzing the fault phenomenon and the fault.
(b) Maintenance of faults
And after the fault reason is determined, repairing the fault according to the fault processing flow.
4. Training for debugging of variable pitch system
The variable-pitch practical training platform comprises the following practical training items:
(1) independent variable propeller
In the service mode, each blade can be controlled by adjusting the blade adjusting switch.
(2) Synchronous pitch control
In the service mode, three groups of blades can be simultaneously controlled by adjusting the blade adjusting switch.
(3) Maintenance mode manual variable-pitch practical training device
And (3) understanding a pitch control principle, and manually controlling the pitch in a maintenance mode.
(4) Operation mode manual variable-pitch practical training device
The principle of pitch control is understood, and manual pitch control is carried out in an operation mode.
(5) Operation mode manual variable-pitch practical training device
And under different wind speeds, the variable pitch system automatically changes the pitch under different working states and operation modes.
(6) Test experiment of backup power supply
And checking the state of the standby battery and the correctness of the operation of the time-varying propeller function powered by the standby battery.
(7) Training for debugging of variable pitch system
Setting motor parameters, calibrating a variable-pitch motor, calibrating a variable-pitch encoder, triggering a limit switch and the like.
The practical training platform of the embodiment has the following characteristics:
(1) the close reality is as follows: the principle of the variable pitch assembly and adjustment training platform is consistent with that of a variable pitch system of a real wind turbine generator. The structure and the working principle of the wind turbine generator variable pitch system can be known and mastered by students in a real mode.
(2) The practical operability is strong: the trainees can really master the mechanical assembly, the unit debugging, the unit fault processing and other skills of the variable pitch system, and the practical applicability and the practical operability are high.
(3) Multi-person collaboration: the training platform can simultaneously meet the requirements of 3-5 people team cooperation assembly and debugging training operation.
(4) The system is comprehensive: the training platform can meet the training of a wind turbine generator system of a student systematically and comprehensively. The trainees are completely immersed in the practical training of the real unit, and the system comprehensively shows the content and practical training items of the variable pitch system of the wind turbine generator.
It should be noted that in the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A practical training platform for a variable pitch system of a wind generating set is characterized by comprising a hub, a bottom frame arranged at the bottom of the hub and three variable pitch systems arranged on the hub; the three variable pitch systems are uniformly distributed on the side surface of the hub; wherein each pitch system comprises: the device comprises a blade prosthesis, a variable pitch driving device, a battery cabinet bracket, a variable pitch bearing, a variable pitch encoder, a variable pitch shaft cabinet, a limit device collision block, a lightning protection device, a dial, a limit switch and a lubricating pinion; the variable pitch driving device comprises a variable pitch speed reducer, a variable pitch motor and a variable pitch motor gear;
the outer ring of the variable-pitch bearing is connected with the hub; the inner gear ring of the variable pitch bearing is connected with the blade prosthesis; the variable pitch speed reducer is fixed on a flange plane of the hub, the variable pitch motor is connected with the variable pitch speed reducer, the output end of the variable pitch speed reducer is connected with a variable pitch motor gear, and the variable pitch motor gear is meshed with an inner gear of a variable pitch bearing; the battery cabinet support is fixed on a flange plane of the wheel hub, one side of the battery cabinet support is fixed with the battery cabinet, the other side of the battery cabinet support is fixed with the variable propeller shaft cabinet, the battery cabinet is arranged on the inner side of the wheel hub, and the variable propeller shaft cabinet is arranged on the outer side of the wheel hub; a pinion of the variable pitch encoder is meshed with an inner gear ring of the variable pitch bearing; the limiting device collision block is fixed on the inner ring of the variable pitch bearing and moves together with the inner ring of the variable pitch bearing; the carbon block of the lightning protection device is contacted with the inner ring of the variable pitch bearing; the dial is fixed on the outer ring of the variable-pitch bearing; the limit switch is fixed on a flange plane of the hub, the limit switch is matched with the limit device collision block, when the limit device collision block contacts the limit switch, the limit switch is triggered, and the variable pitch system stops the action of a switch paddle; the lubricating pinion is meshed with a gear of the variable pitch motor.
2. The practical training platform for the pitch system of the wind generating set according to claim 1, wherein casters are arranged at the bottom of the base.
3. The practical training platform for the pitch system of the wind generating set according to claim 1, wherein a hub top cover plate is arranged at the top of the hub; a hub hoisting plate is arranged on the hub top cover plate; the hub hoisting plate and the hub top cover plate are arranged on the hub top flange.
4. The practical training platform for the pitch system of the wind generating set according to claim 3, wherein the practical training platform for the pitch system further comprises a crane device and an electric hoist, and the electric hoist is suspended on the crane device.
5. The practical training platform for the pitch system of the wind generating set according to claim 4, wherein the crane device comprises a cross beam for hanging the cross beam electric hoist, and left and right side frames for supporting the cross beam; the bottom of the side frame is provided with a pulley.
6. The practical training platform for the pitch system of the wind generating set according to claim 1, wherein a hub side cover plate is arranged on the side surface of the hub.
7. The practical training platform for the pitch system of the wind generating set according to claim 1, wherein a bearing hoisting plate is arranged on the pitch bearing.
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| CN202021364304.3U CN212570129U (en) | 2020-07-13 | 2020-07-13 | Training platform for variable pitch system of wind generating set |
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| CN202021364304.3U CN212570129U (en) | 2020-07-13 | 2020-07-13 | Training platform for variable pitch system of wind generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333472A (en) * | 2021-12-24 | 2022-04-12 | 北京金风慧能技术有限公司 | Variable-pitch teaching system and control method, equipment and readable storage medium thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333472A (en) * | 2021-12-24 | 2022-04-12 | 北京金风慧能技术有限公司 | Variable-pitch teaching system and control method, equipment and readable storage medium thereof |
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Effective date of registration: 20210926 Address after: 110000 gate 4, No. 64, Wenda West Road, Yuhong District, Shenyang City, Liaoning Province Patentee after: SHENYANG WARNA TECHNOLOGY Co.,Ltd. Patentee after: Liaoning Warner Boye Education Equipment Co.,Ltd. Address before: 110034 no.46-10, Baishan Road, Yuhong District, Shenyang City, Liaoning Province 232 Patentee before: SHENYANG WARNA TECHNOLOGY Co.,Ltd. |