CN216751403U - Variable-frequency speed-regulating motor applied to wind generating set - Google Patents
Variable-frequency speed-regulating motor applied to wind generating set Download PDFInfo
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- CN216751403U CN216751403U CN202220320607.8U CN202220320607U CN216751403U CN 216751403 U CN216751403 U CN 216751403U CN 202220320607 U CN202220320607 U CN 202220320607U CN 216751403 U CN216751403 U CN 216751403U
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- fan blade
- variable frequency
- generating set
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Abstract
The utility model discloses a variable-frequency speed-regulating motor applied to a wind generating set, which relates to the field of wind power generation and comprises a variable-frequency motor, a connecting column, a connecting plate, a plugboard, a motor connecting piece and fan blade connecting pieces, wherein the motor connecting piece is connected with an input shaft of the variable-frequency motor, the fan blade connecting pieces are respectively connected with rotating shafts of fan blades, and a connecting mechanism capable of absorbing vibration kinetic energy is arranged on the connecting shaft between the motor and the fan blades, so that the vibration kinetic energy can be effectively prevented from being transmitted to the motor. The kinetic energy is absorbed in a compressed gas mode, a good buffering effect is achieved, metal fatigue cannot be generated, and the service life is long.
Description
Technical Field
The utility model relates to the field of wind power generation, in particular to a variable-frequency speed-regulating motor applied to a wind generating set.
Background
Wind power generation is a process of converting wind energy into electric energy by absorbing the wind energy, and in the process, the wind energy cannot be completely converted into electric energy, and some of the electric energy can even be converted into kinetic energy which damages equipment, such as vibration of fan blades driven by wind power.
The vibration of the fan blades can be transmitted to the generator set along the input shaft, extra additional force is generated on the motor, and the motor can be damaged after long-term use.
The traditional buffer parts are all springs, metal elastic sheets and the like, and metal fatigue can be generated after long-term use. And the elastic devices are used more times and have poorer and poorer buffering effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a variable-frequency speed-regulating motor applied to a wind generating set, and the connecting mechanism capable of absorbing vibration kinetic energy is arranged on a connecting shaft between a motor and fan blades, so that the vibration kinetic energy can be effectively prevented from being transmitted to the motor. The kinetic energy is absorbed by compressing the gas, so that the buffer effect is good, metal fatigue is avoided, and the service life is long.
A variable frequency speed regulating motor applied to a wind generating set comprises a variable frequency motor, a connecting column, a connecting plate, a plugboard, a motor connecting piece and a fan blade connecting piece, wherein the motor connecting piece is connected with an input shaft of the variable frequency motor, and the fan blade connecting piece is respectively connected with rotating shafts of fan blades;
the connecting plate is equipped with two, and fixed connection is in the both sides of spliced pole respectively, the picture peg is equipped with one and mutually perpendicular, picture peg fixed connection in the outside of connecting plate, be equipped with the slot that corresponds with the picture peg in motor connecting piece and the flabellum connecting piece, be equipped with the flexible key of buffering usefulness in the slot.
Preferably, an air pressure chamber and an air pressure inner cavity are arranged inside the fan blade connecting piece, the telescopic key is connected in the air pressure chamber in a sliding mode, the outer end of the telescopic key extends out of the air pressure chamber, a piston is arranged in the air pressure inner cavity, a bolt is fixedly connected to the piston, and the air pressure chamber is communicated with the air pressure inner cavity.
Preferably, the slots of the motor connecting piece and the fan blade connecting piece are perpendicular to each other, and besides, the internal structures of the motor connecting piece and the fan blade connecting piece are the same.
Preferably, the spliced pole overcoat is equipped with solid fixed ring, gu fixed ring horizontal sliding connection is in the fixed bolster, gu be equipped with the cushion between the fixed ring left and right sides and the fixed bolster inner wall.
The utility model has the advantages that: simple structure uses in a flexible way, sets up the coupling mechanism that can absorb vibration kinetic energy through the connecting axle between motor and flabellum, can effectual prevention vibration kinetic energy transmit to the motor on. The kinetic energy is absorbed by compressing the gas, so that the buffer effect is good, metal fatigue is avoided, and the service life is long.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is an exploded view of the structure of the apparatus of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view of the connection between the connecting column and the fixing bracket of the device of the present invention;
the device comprises a variable frequency motor 1, a variable frequency motor 2, a connecting column 3, a connecting plate 4, an inserting plate 5, a motor connecting piece 6, a fan blade connecting piece 7, an air pressure chamber 8, a telescopic key 9, an air pressure inner cavity 10, a piston 11, a bolt 12, a fixing support 13, a fixing ring 14 and a rubber cushion.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1 to 4, the present invention includes a variable frequency motor 1, a connection column 2, a connection plate 3, an insertion plate 4, a motor connection member 5 and a fan blade connection member 6, wherein the motor connection member 5 is connected with an input shaft of the variable frequency motor 1, and the fan blade connection member 6 is respectively connected with a rotation shaft of a fan blade;
the connecting column 2, the connecting plate 3 and the inserting plate 4 form a whole, and are matched with the motor connecting piece 5 and the fan blade connecting piece 6 to be used as a middle connecting piece of the connecting shaft.
Wherein connecting plate 3 is equipped with two, and fixed connection is in the both sides of spliced pole 2 respectively, picture peg 4 is equipped with 2 and mutually perpendicular, and picture peg 4 fixed connection is in the outside of connecting plate 3, be equipped with the slot that corresponds with picture peg 4 in motor connecting piece 5 and the flabellum connecting piece 6, be equipped with the flexible key 8 of buffering usefulness in the slot.
The 2 inserting plates 4 are respectively inserted into slots of the motor connecting piece 5 and the fan blade connecting piece 6, and the telescopic keys 8 are arranged on two narrow inner side edges in the slots.
The specific structural principle of the mechanism for buffering and absorbing kinetic energy is as follows:
the fan blade connecting piece 6 is internally provided with an air pressure chamber 7 and an air pressure inner cavity 9, the telescopic key 8 is connected in the air pressure chamber 7 in a sliding mode, the outer end of the telescopic key extends out of the air pressure chamber 7, a piston 10 is arranged in the air pressure inner cavity 9, a bolt 11 is fixedly connected onto the piston 10, and the air pressure chamber 7 is communicated with the air pressure inner cavity 9.
In addition, the slots of the motor connector 5 and the fan blade connector 6 are perpendicular to each other, and besides, the internal structures of the motor connector 5 and the fan blade connector 6 are the same. The motor connecting piece 5 and the fan blade connecting piece 6 respectively buffer and absorb the kinetic energy in 2 directions of the X axis and the Y axis.
Specially, 2 overcoat of spliced pole is equipped with solid fixed ring 13, gu fixed ring 13 horizontal sliding connection is in fixed bolster 12, gu be equipped with cushion 14 between the fixed ring 13 left and right sides and the fixed bolster 12 inner wall.
The specific implementation mode and principle are as follows:
during connection, 2 inserting plates 4 are respectively inserted into slots of a motor connecting piece 5 and a fan blade connecting piece 6, telescopic keys 8 are arranged on two narrow inner side edges in the slots, and the motor connecting piece 5 and the fan blade connecting piece 6 respectively buffer and absorb kinetic energy in 2 directions of an X axis and a Y axis.
When vibration in the Y-axis direction exists, the inserting plate 4 in the fan blade connecting piece 6 swings up and down, so that the telescopic key 8 in the slot of the fan blade connecting piece 6 can be extruded, the telescopic key 8 can stretch along with the vibration, when the telescopic key 8 shrinks, air in the air pressure chamber 7 can be extruded, and air compression generates resistance to play a buffering role.
When installation picture peg 4, can be through rotating bolt 11, make piston 10 outwards remove, make the air pressure step-down in the atmospheric pressure inner chamber 9, and then inhale the air in the atmospheric pressure room 7, make the air pressure step-down in the atmospheric pressure room 7, make flexible key 8 initiative shrink, easy to assemble picture peg 4, after the installation, at the bolt 11 of screwing up, make piston 10 compressed gas, stretch out flexible key 8, play certain fixed action to picture peg 4, and can control the extension length of flexible key 8 through adjusting bolt 11.
Based on the above, the fan blade vibration prevention device is simple in structure and flexible to use, and the connecting mechanism capable of absorbing vibration kinetic energy is arranged on the connecting shaft between the motor and the fan blades, so that the vibration kinetic energy can be effectively prevented from being transmitted to the motor. The kinetic energy is absorbed by compressing the gas, so that the buffer effect is good, metal fatigue is avoided, and the service life is long.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (4)
1. A variable frequency speed regulation motor applied to a wind generating set is characterized by comprising a variable frequency motor (1), a connecting column (2), a connecting plate (3), an inserting plate (4), a motor connecting piece (5) and a fan blade connecting piece (6), wherein the motor connecting piece (5) is connected with an input shaft of the variable frequency motor (1), and the fan blade connecting piece (6) is respectively connected with rotating shafts of fan blades;
connecting plate (3) are equipped with two, and fixed connection is in the both sides of spliced pole (2) respectively, picture peg (4) are equipped with 2 and mutually perpendicular, and picture peg (4) fixed connection is in the outside of connecting plate (3), be equipped with the slot that corresponds with picture peg (4) in motor connecting piece (5) and flabellum connecting piece (6), be equipped with flexible key (8) of buffering usefulness in the slot.
2. The variable frequency speed regulating motor applied to the wind generating set according to claim 1, characterized in that: the inside of flabellum connecting piece (6) is equipped with pneumatic chamber (7) and pneumatics inner chamber (9), flexible key (8) sliding connection just stretches out in pneumatic chamber (7) outer end, be equipped with piston (10) in pneumatics inner chamber (9), fixedly connected with bolt (11) on piston (10), pneumatic chamber (7) and pneumatics inner chamber (9) intercommunication.
3. The variable frequency speed regulating motor applied to the wind generating set according to claim 1, characterized in that: the slots of the motor connecting piece (5) and the fan blade connecting piece (6) are mutually vertical, and besides, the internal structures of the motor connecting piece (5) and the fan blade connecting piece (6) are the same.
4. The variable frequency speed regulating motor applied to the wind generating set according to claim 1, characterized in that: spliced pole (2) overcoat is equipped with solid fixed ring (13), gu fixed ring (13) horizontal sliding connection is in fixed bolster (12), gu be equipped with cushion (14) between fixed ring (13) the left and right sides and fixed bolster (12) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220320607.8U CN216751403U (en) | 2022-02-17 | 2022-02-17 | Variable-frequency speed-regulating motor applied to wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220320607.8U CN216751403U (en) | 2022-02-17 | 2022-02-17 | Variable-frequency speed-regulating motor applied to wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751403U true CN216751403U (en) | 2022-06-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220320607.8U Active CN216751403U (en) | 2022-02-17 | 2022-02-17 | Variable-frequency speed-regulating motor applied to wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751403U (en) |
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2022
- 2022-02-17 CN CN202220320607.8U patent/CN216751403U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230629 Address after: No. 1, Fangwanggang Electrical substation, Xiaocai Village, Yafu Street, Chaohu City, Hefei, Anhui Province 238000 Patentee after: Chaohu Branch of Hefei Li Neng Power Engineering Co.,Ltd. Address before: 238000 No. 124, Changjiang West Road, Chaohu City, Hefei City, Anhui Province Patentee before: Chaohu Power Supply Company of State Grid Anhui Electric Power Co.,Ltd. |