CN110853911A - Transformer coil winding system - Google Patents
Transformer coil winding system Download PDFInfo
- Publication number
- CN110853911A CN110853911A CN201911185764.1A CN201911185764A CN110853911A CN 110853911 A CN110853911 A CN 110853911A CN 201911185764 A CN201911185764 A CN 201911185764A CN 110853911 A CN110853911 A CN 110853911A
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- base
- rotating shaft
- transformer
- coil winding
- coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/098—Mandrels; Formers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The invention relates to a transformer coil winding system which is characterized by comprising a base, a rotating shaft arranged on the base, a driven gear arranged on the rotating shaft, a driving gear meshed with the driven gear, and a first driving mechanism for driving the driving gear to rotate, so that a transformer framework arranged on the rotating shaft rotates, a wire releasing assembly for conveying a coil for the transformer framework, the wire releasing assembly moves back and forth relative to the base, the wire releasing assembly is arranged in parallel with the base, and a controller connected with the wire releasing assembly and the first driving mechanism. The application provides a transformer coil winding system can make the coil radially wind up, and the axial is closely arranged, and the coil uniformity that winds out is good, and mechanical stability is high, and anti short circuit ability is good.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer coil winding system.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers; the high frequency electronic transformer is defined accurately, that is, the electronic transformer with high working frequency, generally the working frequency is higher than 20kHz, the transformer is composed of an iron core (or a magnetic core) and a coil, the coil is provided with two or more than two windings, wherein the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils. It can transform alternating voltage, current and impedance;
for the transformer, the mechanical stability and the short-circuit resistance are particularly important, and the stability of the transformer is mainly controlled in the winding process of the coil, namely the high-voltage coil and the low-voltage coil are required to be electromagnetically balanced, and the axial turns are compact and uniformly distributed. Therefore, the coil winding process is required to be wound tightly in the radial direction and tightly arranged in the axial direction. The coil winding process is to install the drawing drum that has the enameled wire on the pay off rack, install the iron core on the rotation axis, and the rotation axis rotates in order to wind the enameled wire, and among the prior art, the workman is handheld enameled wire adjustment winding position usually in order to guarantee that coil axial turn-to-turn is inseparable.
In the manual winding mode, the consistency of the coil is difficult to control, so that a gap exists between the axial directions of the coil or the coil is not wound tightly in the radial direction, and the performance of the coil is reduced or even the coil is scrapped.
Disclosure of Invention
The invention aims to provide a transformer coil winding system, which can enable coils to be wound tightly in the radial direction and arranged tightly in the axial direction, and the wound coils have good consistency, high mechanical stability and good short circuit resistance.
The technical scheme of the invention is as follows:
the utility model provides a transformer coil coiling system, includes the base, locates rotation axis on the base is located rotate epaxial driven gear, with driven gear meshing's driving gear makes driving gear pivoted a actuating mechanism, so that locate rotate epaxial transformer skeleton and rotate, do transformer skeleton transports the unwrapping wire subassembly of coil, the unwrapping wire subassembly for the base round trip movement, the unwrapping wire subassembly with base parallel arrangement, with the unwrapping wire subassembly with the controller that a actuating mechanism connects.
Preferably, the pay-off assembly comprises a support frame arranged above the base, a pay-off disc arranged on one side of the support frame, and a second driving mechanism for driving the pay-off disc to move back and forth along the axis direction of the rotating shaft.
Preferably, the pay-off assembly comprises a ball screw connected with the second driving mechanism, a second sliding block arranged on the ball screw, and a pay-off reel arranged on the second sliding block.
Preferably, the device comprises a supporting plate arranged below the base, and the first driving mechanism is arranged above the supporting plate.
Preferably, a bottom plate is arranged below the supporting plate, the supporting plate is connected with the bottom plate through a first sliding block and a guide rail, and the paying-off assembly is fixedly arranged.
Preferably, a tailstock and an ejector pin connected with the tailstock are arranged on the supporting plate, and the ejector pin can be in contact with the end part of the rotating shaft.
Preferably, the base is provided with a sensor for detecting whether the thimble contacts with the end face of the rotating shaft, and the sensor is connected with the controller.
Preferably, a limiting disc is arranged between the pay-off assembly and the rotating shaft.
Preferably, a detector is arranged at one end of the rotating shaft close to the first driving mechanism, a sensor corresponding to the detector is arranged on the base, and the detector and the sensor are connected with the controller.
Preferably, the rotating shaft is of a diameter-adjustable structure.
When the coil needs to be wound on the transformer framework, one end of the coil on the pay-off assembly is wound on the transformer framework, the controller is started to send a winding command, the controller transmits the command to the first driving mechanism, the first driving mechanism works to enable the driving gear to rotate and then drive the driven gear meshed with the driving gear to rotate, the rotating shaft connected with the driven gear rotates, and finally the transformer framework arranged on the rotating shaft rotates; secondly, the base is fixed with the transformer framework, and the paying-off component moves back and forth as long as relative displacement exists between the base and the transformer framework. For example, the diameter of the coil is D, the number of turns is N, the length of the coil wound on the rotating shaft is L-N × D, and the wire releasing assembly moves back and forth relative to the base, so that the coil on the wire releasing assembly is always close to the position of the transformer bobbin to be wound, and the coils on the transformer bobbin are ensured to be closely arranged in the axial direction. The pay-off component and the first driving mechanism are connected through the controller, so that the pay-off component and the first driving mechanism are short in response time, and the consistency of coil winding is good without manual control in the winding process. The pay-off component is arranged in parallel with the base and the rotating shaft on the base, and the relative distance between the pay-off component and the rotating shaft on the base is fixed, so that the coil on the transformer framework is wound up in the radial direction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a transformer coil winding system in the present embodiment.
Reference numbers in the drawings illustrate: 1. a base; 2. a rotating shaft; 3. a driven gear; 4. a driving gear; 5. a first drive mechanism; 6. a transformer bobbin; 7. a pay-off assembly; 8. a support plate; 9. a base plate; 91. a first slider; 92. a guide rail; 10. a second drive mechanism; 11. a ball screw; 12. a second slider; 13. a pay-off reel; 14. a limiting disc.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate an orientation or positional relationship only for convenience of description and simplicity of description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, according to the winding system of the transformer coil provided by the invention, when a coil needs to be wound on a transformer framework 6, one end of the coil on a wire releasing assembly 7 is wound on the transformer framework 6, a controller is started to send a winding command, the controller transmits the command to a first driving mechanism 5, the first driving mechanism 5 works to enable a driving gear 4 to rotate, then drives a driven gear 3 engaged with the driving gear to rotate, a rotating shaft 2 connected with the driven gear 3 rotates, and finally the transformer framework 6 arranged on the rotating shaft 2 rotates, and the wire releasing assembly 7 moves back and forth relative to a base 1 in the winding process, wherein in one of the two cases, the wire releasing assembly 7 is fixed, and the base 1 drives the transformer framework 6 to move back and forth; secondly, the base 1 with the transformer framework 6 is fixed, and the paying-off component 7 moves back and forth as long as relative displacement exists between the base and the paying-off component. For example, the diameter of the coil is D, the number of turns is N, the length of the coil wound on the rotating shaft 2 is L-N × D, and the wire releasing assembly 7 moves back and forth relative to the base 1, so that the coil on the wire releasing assembly 7 is always close to the position of the transformer bobbin 6 to be wound, which ensures that the coils on the transformer bobbin 6 are closely arranged in the axial direction. The paying-off component 7 and the first driving mechanism 5 are connected through the controller, so that the response time of the paying-off component 7 and the first driving mechanism 5 is short, and the consistency of coil winding is good without manual control in the winding process. The wire releasing component 7 is arranged in parallel with the base 1 and the rotating shaft 2 on the base 1, and the relative distance between the two is fixed, so that the coil on the transformer framework 6 is wound up in the radial direction.
In the embodiment provided by the invention, the pay-off assembly 7 comprises a support frame arranged above the base 1, a pay-off reel 13 arranged on one side of the support frame, and a second driving mechanism 10 for driving the pay-off reel 13 to move back and forth along the axial direction of the rotating shaft 2. The second driving mechanism 10 can drive the pay-off reel 13 to move back and forth along the axis direction of the rotating shaft 2 in various ways, so that the coil on the pay-off assembly 7 is always close to the position to be wound of the transformer framework 6, and the coils on the transformer framework 6 are ensured to be closely arranged in the axial direction. The driving mode of the second driving mechanism 10 can adopt a telescopic mode to enable the pay-off reel 13 to move.
In the embodiment provided by the invention, the pay-off assembly 7 comprises a ball screw 11 connected with the second driving mechanism 10, a second slider 12 arranged on the ball screw 11, and a pay-off reel 13 arranged on the second slider 12. The second driving mechanism 10 can be a motor, the motor drives an output shaft thereof to rotate, the motor is connected with the ball screw 11 through a coupler to drive the ball screw 11 to rotate, the second sliding block 12 is connected to the ball screw 11 through a screw, and due to the structure, the rotation of the ball screw 11 is converted into the linear motion of the second sliding block 12, so that the second sliding block 12 moves along the axis of the ball screw 11, and when the motor rotates forwards, the second sliding block 12 moves linearly in a direction away from the motor; when the motor rotates reversely, the second sliding block 12 moves linearly in the direction close to the motor, so that the second sliding block 12 drives the pay-off reel 13 arranged on the second sliding block 12 to move back and forth, the coil on the pay-off reel 13 is always close to the position, to be wound, of the transformer framework 6, and the coils on the transformer framework 6 are guaranteed to be arranged in an axial direction tightly.
In the embodiment of the invention, the transformer coil winding system comprises a support plate 8 arranged below the base 1, and the first driving mechanism 5 is arranged above the support plate 8. Be provided with backup pad 8 in base 1 below, backup pad 8 top is located to first actuating mechanism 5, base 1 all exerts pressure to backup pad 8 with first actuating mechanism 5, this pressure equals base 1 and first actuating mechanism 5's gravity, because effort and reaction force's relation, backup pad 8 just provides the holding power to base 1 and first actuating mechanism 5, two points of application of force are located the coplanar, and then make the coil stable in structure at the coiling in-process, difficult production is rocked.
In the embodiment provided by the invention, the bottom plate 9 is arranged below the supporting plate 8, the supporting plate 8 and the bottom plate 9 are connected through the first sliding block 91 and the guide rail 92, and the paying-off component 7 is fixedly arranged. In the above embodiment, the base 1 is fixed and the wire feeding unit 7 moves with respect to the reciprocating movement of the wire feeding unit 7 with respect to the base 1 and the rotation shaft 2, but the present embodiment provides another structure in which the wire feeding unit 7 is fixed and the base 1 moves. Specifically, a first slider 91 and a guide rail 92 are arranged between the support plate 8 and the bottom plate 9, the first slider 91 can be arranged on the support plate 8, and the guide rail 92 is arranged on the bottom plate 9; the guide rail 92 may be provided on the support plate 8, and the first slider 91 may be provided on the base plate 9. Preferably, the guide rail 92 is arranged on the bottom plate 9, the first slide block 91 is arranged on the support plate 8, the bottom plate 9 is directly contacted with the ground, and the guide rail 92 is contacted with the bottom plate 9 in a large area, so that the sliding process of the support plate 8 along the bottom plate 9 is more stable. Meanwhile, the coil on the pay-off component 7 is always close to the position to be wound of the transformer framework 6, and therefore the coils on the transformer framework 6 are ensured to be arranged tightly in the axial direction.
In the embodiment provided by the invention, the supporting plate 8 is provided with a tailstock and an ejector pin connected with the tailstock, and the ejector pin can be in point contact with the end part of the rotating shaft 2. According to the performance requirements of transformers, the transformers are different in size, and further the transformer frameworks 6 are different in size. In the process of rotating the rotating shaft 2, the rotating shaft 2 at the end far away from the first driving mechanism 5 may generate large swing, which may further cause the axial arrangement of the transformers to be not tight. In order to make the end of the rotating shaft 2 far away from the base 1 swing less during the winding process. The support plate 8 is provided with a tailstock, and the tailstock is provided with a thimble which can be in point contact with one end of the rotating shaft 2 far away from the base 1. Through thimble and base 1, make both ends of rotation axis 2 all by the strong point, like this in the in-process of coiling, the straight line that the point that the actual external diameter in rotation axis 2 both ends constitutes is parallel with the central line of rotation axis 2 as far as possible, and the contained angle between two straight lines is less, proves that rotation axis 2 is in the in-process of coiling, and the swing is less, and then the coil is more closely at transformer axial arrangement.
Wherein, be equipped with the inductor that detects whether thimble and rotation axis 2 terminal surface contact on the backup pad 8, the inductor is connected with the controller. Before winding, the inductor firstly detects whether the thimble contacts with the end face of the rotating shaft 2, if so, the contact signal is transmitted to the controller, and then the controller transmits the action command to the first driving mechanism 5 and the pay-off component 7. The arrangement ensures that the thimble jacks up the end face of the rotating shaft 2 before winding at each time, thereby greatly improving the working reliability in the winding process. And the situation that the winding is started when the thimble is not in contact with the rotating shaft 2 can not occur.
In the embodiment provided by the invention, a limiting disc 14 is arranged between the pay-off component 7 and the rotating shaft 2. The coil on the pay-off component 7 firstly bypasses the limiting disc 14 and then is wound on the transformer framework 6, the limiting disc 14, the pay-off component 7 and the rotating shaft 2 are not on the same vertical plane, and the coil can be well stretched through the limiting disc 14 and the pay-off component 7, so that the coil is in a tightening state, and the coil is well wound.
In the embodiment provided by the invention, a detector is arranged at one end of the rotating shaft 2 close to the first driving mechanism 5, a sensor corresponding to the detector is arranged on the base 1, and the detector and the sensor are both connected with the controller. When the detector rotates to the sensor, trigger the sensor, feedback signal to controller, controller count round, until the last round of count, the sensor with signal transmission to controller, the controller passes to first actuating mechanism 5 with the signal, makes it lose the electricity, realizes the automatic counting wire winding function, simple structure, convenient operation improves work efficiency and wire-wound rate of accuracy moreover.
In the embodiment provided by the invention, the rotating shaft 2 is of a diameter-adjustable structure. Specifically, an inflator pump is fixed on one side of the base 1 through a bolt and is connected with the controller. Rotation axis 2 includes the last backup pad with base 1 fixed connection, it installs moving mechanism to go up backup pad below embedding, moving mechanism has the bottom suspension fagging through the bolt fastening, and go up and connect through physiosis mechanism between backup pad and the bottom suspension fagging, the output of pump passes through the connecting pipe and is connected with the input of physiosis mechanism, and install the solenoid valve on the connecting pipe, the controller is connected with solenoid valve and pump, make the solenoid valve open through the controller, make pump work simultaneously, make physiosis mechanism inflation, thereby it is fixed with the coil, can prevent that the coil from kick-backing before the stoving solidification, thereby guarantee that coil winding back internal diameter is unanimous, the quality of coil winding in-process has been improved, avoid influencing the electrical apparatus performance of transformer.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A transformer coil winding system is characterized by comprising a base,
a rotating shaft arranged on the base seat,
a driven gear provided on the rotary shaft,
a driving gear engaged with the driven gear,
a first driving mechanism for rotating the driving gear to rotate the transformer bobbin arranged on the rotating shaft,
a wire releasing assembly for delivering a coil to the transformer bobbin, the wire releasing assembly reciprocating relative to the base, the wire releasing assembly being disposed parallel to the base,
a controller connected to the payout assembly and the first drive mechanism.
2. The transformer coil winding system of claim 1 wherein the wire payout assembly includes a support bracket disposed above the base,
a pay-off reel arranged at one side of the supporting frame,
and a second driving mechanism for driving the pay-off disc to reciprocate along the axial direction of the rotating shaft.
3. The transformer coil winding system of claim 2 wherein the pay-off assembly includes a ball screw coupled to the second drive mechanism,
a second slide block arranged on the ball screw,
the pay-off reel is arranged on the second sliding block.
4. The transformer coil winding system according to claim 1, comprising a support plate disposed below the base, wherein the first driving mechanism is disposed above the support plate.
5. The transformer coil winding system according to claim 4, wherein a bottom plate is arranged below the supporting plate, the supporting plate and the bottom plate are connected through a first sliding block and a guide rail, and the wire releasing assembly is fixedly arranged.
6. The transformer coil winding system of claim 5 wherein the support plate is provided with a tail stock,
and the ejector pin is connected with the tailstock and can be in point contact with one end of the rotating shaft, which is far away from the base.
7. The transformer coil winding system according to claim 6, wherein the supporting plate is provided with an inductor for detecting whether the thimble contacts the end surface of the rotating shaft,
the inductor is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185764.1A CN110853911A (en) | 2019-11-27 | 2019-11-27 | Transformer coil winding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185764.1A CN110853911A (en) | 2019-11-27 | 2019-11-27 | Transformer coil winding system |
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| Publication Number | Publication Date |
|---|---|
| CN110853911A true CN110853911A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911185764.1A Pending CN110853911A (en) | 2019-11-27 | 2019-11-27 | Transformer coil winding system |
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| CN (1) | CN110853911A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447394A (en) * | 2020-11-24 | 2021-03-05 | 四川特种变压器厂 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
| CN114221503A (en) * | 2021-12-21 | 2022-03-22 | 浙江星星冷链集成股份有限公司 | Wide-voltage motor coil processing device and method |
| CN114512335A (en) * | 2022-04-19 | 2022-05-17 | 拓楚(江苏)电子科技有限公司 | Transformer coil winding auxiliary device |
| CN115458326A (en) * | 2022-09-17 | 2022-12-09 | 江苏北辰互邦电力股份有限公司 | Automatic winding device with auxiliary winding displacement structure for offshore wind power high-voltage coil |
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| CN101847507A (en) * | 2010-04-28 | 2010-09-29 | 珠海恒阳科技有限公司 | Full-automatic coiling machine |
| JP2012079793A (en) * | 2010-09-30 | 2012-04-19 | Daihen Corp | Wire conductor supplying device |
| CN204011050U (en) * | 2014-07-31 | 2014-12-10 | 南京大全变压器有限公司 | A kind of coil winding machine safety guard |
| CN204706459U (en) * | 2015-06-19 | 2015-10-14 | 江苏鑫怡电力设备有限公司 | The simple and easy coil winding machine of mutual inductor coil |
| CN107424836A (en) * | 2017-08-21 | 2017-12-01 | 哈尔滨博信智能装备有限公司 | A kind of electromagnetic valve coil automatic coiling device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847507A (en) * | 2010-04-28 | 2010-09-29 | 珠海恒阳科技有限公司 | Full-automatic coiling machine |
| JP2012079793A (en) * | 2010-09-30 | 2012-04-19 | Daihen Corp | Wire conductor supplying device |
| CN204011050U (en) * | 2014-07-31 | 2014-12-10 | 南京大全变压器有限公司 | A kind of coil winding machine safety guard |
| CN204706459U (en) * | 2015-06-19 | 2015-10-14 | 江苏鑫怡电力设备有限公司 | The simple and easy coil winding machine of mutual inductor coil |
| CN107424836A (en) * | 2017-08-21 | 2017-12-01 | 哈尔滨博信智能装备有限公司 | A kind of electromagnetic valve coil automatic coiling device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447394A (en) * | 2020-11-24 | 2021-03-05 | 四川特种变压器厂 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
| CN112447394B (en) * | 2020-11-24 | 2024-05-03 | 四川特种变压器厂 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
| CN114221503A (en) * | 2021-12-21 | 2022-03-22 | 浙江星星冷链集成股份有限公司 | Wide-voltage motor coil processing device and method |
| CN114512335A (en) * | 2022-04-19 | 2022-05-17 | 拓楚(江苏)电子科技有限公司 | Transformer coil winding auxiliary device |
| CN115458326A (en) * | 2022-09-17 | 2022-12-09 | 江苏北辰互邦电力股份有限公司 | Automatic winding device with auxiliary winding displacement structure for offshore wind power high-voltage coil |
| CN115458326B (en) * | 2022-09-17 | 2023-10-13 | 江苏北辰互邦电力股份有限公司 | Automatic winding device with auxiliary winding displacement structure for offshore wind power high-voltage coil |
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Application publication date: 20200228 |