CN112447394A - Dry-type transformer coil winding equipment for variable frequency speed regulation - Google Patents
Dry-type transformer coil winding equipment for variable frequency speed regulation Download PDFInfo
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- CN112447394A CN112447394A CN202011330564.3A CN202011330564A CN112447394A CN 112447394 A CN112447394 A CN 112447394A CN 202011330564 A CN202011330564 A CN 202011330564A CN 112447394 A CN112447394 A CN 112447394A
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- 238000004804 winding Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 47
- 239000003973 paint Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
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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
- H01F41/096—Dispensing or feeding devices
-
- 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
- H01F41/09—Winding machines having two or more work holders or formers
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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
- H01F41/09—Winding machines having two or more work holders or formers
- H01F41/092—Turrets; Turntables
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The invention discloses a dry type transformer coil winding device for variable frequency speed regulation, belongs to the technical field of transformers, and aims to solve the problem of low winding efficiency of the conventional dry type transformer coil. It rotates through the drive output shaft, and drive chuck on the output shaft fixes spacingly with the cooperation of location chuck to the coil to drive the coil rotation under the drive of output shaft, carry out the unwrapping wire, on the coil was all established to the end card of three cable, output motor drive coil rotated, accomplished the coiling of three sections looks identical portion on the coil simultaneously, realized the unwrapping wire of a plurality of coils through a driving motor, be applicable to the coiling when changeing 3 even number times's coil, improved coiling efficiency greatly. The invention is suitable for winding the dry type transformer coil.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a dry type transformer coil winding device for variable frequency speed regulation.
Background
As is known, the current dry rectifier transformer is mainly used in an excitation system of a generator, a dc power grid of an electric locomotive in the electrochemical industry, a mine or a railway, and the like. With the rapid development of modern power electronic technology and microelectronic technology, the variable frequency speed regulation device is continuously mature, and the application field and range of the variable frequency speed regulation device are more and more extensive, so that the efficient and reasonable utilization of energy sources, especially electric energy, becomes possible. The variable frequency speed regulation is also listed as one of the improvement demonstration of 3 comprehensive utilization technologies of resource conservation implemented by national key organization. It is a device which converts the industrial frequency power supply (50Hz or 60Hz) into AC power supply with various frequencies to realize the variable speed operation of the motor. The rectification circuit converts alternating current into direct current, the direct current intermediate current performs smooth filtering on the output of the rectification circuit, and the inverter circuit inverts the direct current into alternating current with controllable frequency and voltage. The dry rectifier transformer for frequency conversion and speed regulation is an important element in a frequency conversion and speed regulation device, and is a transformer widely applied to social production.
The conventional dry-type transformer needs to be wound with a coil during production, and the mode generally adopted at present is manual winding. The manual winding makes the whole winding process very low in efficiency, and the operating process repeatability of workers during winding is very high, and the raw material loss is caused by easily making mistakes during long-term work. Therefore, how to solve the problem of low winding efficiency of the coil of the existing dry-type transformer has important significance.
Disclosure of Invention
The invention aims to: the utility model provides a dry-type transformer coil coiling equipment for variable frequency speed governing, the problem of current dry-type transformer coil coiling inefficiency is solved.
The technical scheme adopted by the invention is as follows:
a dry-type transformer coil winding device for variable frequency speed regulation comprises a pay-off rack and a winding rack arranged on the front side of the pay-off rack, the pay-off stand comprises a base, a driving motor is horizontally arranged in the base, a plurality of driving bevel gears are mounted on a driving shaft of the driving motor, a plurality of driving cabins are arranged on the base, an output shaft is horizontally arranged in the driving cabins, the left end of the output shaft is connected with a driving chuck, an output bevel gear is mounted at the right end of the output shaft, a positioning chuck is further mounted on the outer wall of one side of the driving cabin, which is far away from the driving chuck, a wire coil is clamped between the positioning chuck and the driving chuck, and a plurality, the transmission shaft is arranged along the vertical direction, transmission bevel gears are arranged at two ends of the transmission shaft, the transmission bevel gear at one end of the transmission shaft is in meshing transmission with the driving bevel gear, and the transmission bevel gear at the other end of the transmission shaft is in meshing transmission with the output bevel gear; the winding frame comprises a base, a sliding groove is formed in the base along the length direction of the base, a supporting frame capable of moving along the sliding groove is installed in the sliding groove, a coil is clamped between the supporting frames, and an output motor used for driving the coil to rotate is installed on one side of the supporting frame.
Furthermore, the bottom of the base is bonded with an anti-skid rubber mat.
Further, a buffer rubber mat is further installed between the lower surface of the driving motor and the base.
Further, the outer surface of the base is coated with an anti-corrosive coating.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the pay-off stand comprises a pay-off stand and a winding stand arranged on the front side of the pay-off stand, wherein the pay-off stand comprises a base, a driving motor is horizontally arranged in the base, a plurality of driving bevel gears are mounted on a driving shaft of the driving motor, a plurality of driving cabins are arranged on the base, an output shaft is horizontally arranged in the driving cabins, a driving chuck is connected to the left end of the output shaft, an output bevel gear is mounted at the right end of the output shaft, a positioning chuck is further mounted on the outer wall of one side, away from the driving chuck, of the driving cabin, a wire coil is clamped between the positioning chuck and the driving chuck, a plurality of transmission shafts are further arranged in the vertical direction, transmission bevel gears are mounted at two ends of each transmission shaft, the transmission bevel gear at one; the winding frame comprises a base, a sliding groove is formed in the base along the length direction of the base, a supporting frame capable of moving along the sliding groove is installed in the sliding groove, a coil is clamped between the supporting frames, and an output motor used for driving the coil to rotate is installed on one side of the supporting frame.
Through the arrangement, the driving motor rotates the driving shaft, a plurality of driving bevel gears on the driving shaft rotate along with the rotation, each driving bevel gear is in meshing transmission with a corresponding driving bevel gear on the driving shaft to drive the driving shaft to rotate, the driving bevel gear at the other end of the driving shaft is in meshing transmission with the output bevel gear to drive the output shaft to rotate, the driving chuck on the output shaft is matched with the positioning chuck to fix and limit the coil, the coil is driven to rotate by the output shaft to pay off, the ends of three cables are clamped on the coil, the output motor drives the coil to rotate, simultaneously, the winding of the same parts of the three sections on the coil is completed, the support frame can slide along the sliding groove to facilitate the moving of the position of the coil to facilitate the winding, the paying off of a plurality of coils is realized through one driving motor, the output motor rotates the coil to enable, the winding efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a pay-off stand according to the present invention;
FIG. 3 is a schematic structural diagram of the bobbin of the present invention;
the labels in the figure are: 1-base, 2-driving motor, 3-driving shaft, 4-driving bevel gear, 5-driving cabin, 6-output shaft, 7-driving chuck, 8-output bevel gear, 9-positioning chuck, 10-wire coil, 11-transmission shaft, 12-transmission bevel gear, 13-supporting frame, 14-coil, 15-output motor and 16-base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.
It should be noted that: reference numerals and letters designate similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when in use, and are simply used for simplifying the description of the present invention, but do not indicate or imply that the devices or elements indicated 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; mechanical connection or electrical connection can be realized; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the two original pieces can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A dry-type transformer coil winding device for variable frequency speed regulation comprises a pay-off rack and a winding rack arranged on the front side of the pay-off rack, the pay-off stand comprises a base, a driving motor is horizontally arranged in the base, a plurality of driving bevel gears are mounted on a driving shaft of the driving motor, a plurality of driving cabins are arranged on the base, an output shaft is horizontally arranged in the driving cabins, the left end of the output shaft is connected with a driving chuck, an output bevel gear is mounted at the right end of the output shaft, a positioning chuck is further mounted on the outer wall of one side of the driving cabin, which is far away from the driving chuck, a wire coil is clamped between the positioning chuck and the driving chuck, and a plurality, the transmission shaft is arranged along the vertical direction, transmission bevel gears are arranged at two ends of the transmission shaft, the transmission bevel gear at one end of the transmission shaft is in meshing transmission with the driving bevel gear, and the transmission bevel gear at the other end of the transmission shaft is in meshing transmission with the output bevel gear; the winding frame comprises a base, a sliding groove is formed in the base along the length direction of the base, a supporting frame capable of moving along the sliding groove is installed in the sliding groove, a coil is clamped between the supporting frames, and an output motor used for driving the coil to rotate is installed on one side of the supporting frame.
Furthermore, the bottom of the base is bonded with an anti-skid rubber mat.
Further, a buffer rubber mat is further installed between the lower surface of the driving motor and the base.
Further, the outer surface of the base is coated with an anti-corrosive coating.
In the implementation process of the invention, a driving motor rotates a driving shaft, a plurality of driving bevel gears on the driving shaft rotate along with the driving bevel gears, each driving bevel gear is in meshing transmission with a corresponding driving bevel gear on the driving shaft to drive the driving shaft to rotate, the driving bevel gear at the other end of the driving shaft is in meshing transmission with an output bevel gear to drive an output shaft to rotate, a driving chuck on the output shaft is matched with a positioning chuck to fix and limit a coil, the coil is driven to rotate by the output shaft to pay off the wire, the ends of three cables are clamped on a coil, the output motor drives the coil to rotate to simultaneously complete the winding of the same three sections on the coil, a support frame can slide along a sliding groove to facilitate the moving of the position of the coil to conveniently wind the wire, the paying off of a plurality of coils is realized by one driving motor, the output motor rotates the coil to, the winding efficiency is greatly improved.
Example 1
A dry-type transformer coil winding device for variable frequency speed regulation comprises a pay-off rack and a winding rack arranged on the front side of the pay-off rack, the pay-off stand comprises a base, a driving motor is horizontally arranged in the base, a plurality of driving bevel gears are mounted on a driving shaft of the driving motor, a plurality of driving cabins are arranged on the base, an output shaft is horizontally arranged in the driving cabins, the left end of the output shaft is connected with a driving chuck, an output bevel gear is mounted at the right end of the output shaft, a positioning chuck is further mounted on the outer wall of one side of the driving cabin, which is far away from the driving chuck, a wire coil is clamped between the positioning chuck and the driving chuck, and a plurality, the transmission shaft is arranged along the vertical direction, transmission bevel gears are arranged at two ends of the transmission shaft, the transmission bevel gear at one end of the transmission shaft is in meshing transmission with the driving bevel gear, and the transmission bevel gear at the other end of the transmission shaft is in meshing transmission with the output bevel gear; the winding frame comprises a base, a sliding groove is formed in the base along the length direction of the base, a supporting frame capable of moving along the sliding groove is installed in the sliding groove, a coil is clamped between the supporting frames, and an output motor used for driving the coil to rotate is installed on one side of the supporting frame.
Through the arrangement, the driving motor rotates the driving shaft, a plurality of driving bevel gears on the driving shaft rotate along with the rotation, each driving bevel gear is in meshing transmission with a corresponding driving bevel gear on the driving shaft to drive the driving shaft to rotate, the driving bevel gear at the other end of the driving shaft is in meshing transmission with the output bevel gear to drive the output shaft to rotate, the driving chuck on the output shaft is matched with the positioning chuck to fix and limit the coil, the coil is driven to rotate by the output shaft to pay off, the ends of three cables are clamped on the coil, the output motor drives the coil to rotate, simultaneously, the winding of the same parts of the three sections on the coil is completed, the support frame can slide along the sliding groove to facilitate the moving of the position of the coil to facilitate the winding, the paying off of a plurality of coils is realized through one driving motor, the output motor rotates the coil to enable, the winding efficiency is greatly improved.
Example 2
On the basis of the embodiment 1, the bottom of the base is adhered with an anti-skid rubber mat.
Example 3
On the basis of the embodiment, a buffering rubber cushion is further arranged between the lower surface of the driving motor and the base.
Example 4
On the basis of the above embodiment, the outer surface of the base is coated with an anticorrosive coating.
The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in the preferred embodiments can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the embodiments and examples are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the patent protection scope of the present invention, which is subject to the claims and all the equivalent structural changes made by the content of the description and the drawings of the present invention are also included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a dry-type transformer coil coiling equipment for variable frequency speed control, which is characterized in that, including the pay off rack and set up in the bobbin of pay off rack front side, the pay off rack includes base (1), level is provided with driving motor (2) in base (1), install a plurality of drive bevel gear (4) on driving shaft (3) of driving motor (2), be provided with a plurality of drive cabins (5) on base (1), level is provided with output shaft (6) in drive cabin (5), the left end of output shaft (6) is connected with drive chuck (7), output bevel gear (8) are installed to the right-hand member of output shaft (6), still install location chuck (9) on the outer wall of drive cabin (5) one side of keeping away from drive chuck (7), the card is equipped with line book (10) between location chuck (7) and drive chuck (9), still be provided with a plurality of transmission, the transmission shaft (11) is arranged along the vertical direction, transmission bevel gears (12) are installed at two ends of the transmission shaft (11), the transmission bevel gear (12) at one end of the transmission shaft (11) is in meshing transmission with the driving bevel gear (4), and the transmission bevel gear (12) at the other end of the transmission shaft (11) is in meshing transmission with the output bevel gear (8); the winding frame comprises a base (16), sliding grooves are formed in the base (16) along the length direction of the base (16), supporting frames (13) capable of moving along the sliding grooves are installed in the sliding grooves, coils (14) are clamped between the supporting frames (13), and an output motor (15) used for driving the coils (14) to rotate is installed on one side of each supporting frame (13).
2. The dry-type transformer coil winding equipment for variable frequency speed regulation according to claim 1, characterized in that an anti-skid rubber mat is bonded at the bottom of the base (1).
3. The dry-type transformer coil winding equipment for variable frequency speed regulation according to claim 1, characterized in that a buffer rubber mat is further installed between the lower surface of the driving motor (2) and the base (1).
4. The dry-type transformer coil winding equipment for variable frequency speed regulation according to claim 1, characterized in that the outer surface of the base (1) is coated with an anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330564.3A CN112447394B (en) | 2020-11-24 | 2020-11-24 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330564.3A CN112447394B (en) | 2020-11-24 | 2020-11-24 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
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| Publication Number | Publication Date |
|---|---|
| CN112447394A true CN112447394A (en) | 2021-03-05 |
| CN112447394B CN112447394B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011330564.3A Active CN112447394B (en) | 2020-11-24 | 2020-11-24 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620949A (en) * | 2023-06-27 | 2023-08-22 | 嘉兴市恒光电力建设有限责任公司 | High-voltage transmission power cable winding and unwinding device |
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| CN102117697A (en) * | 2009-12-31 | 2011-07-06 | 比亚迪股份有限公司 | Winding device and winding machine with same |
| CN204857452U (en) * | 2015-08-11 | 2015-12-09 | 北变变压器（上海）有限公司 | Dry -type wire reel brake equipment for rectifier transformer for variable frequency speed governing(VFSG) |
| CN105845432A (en) * | 2016-06-16 | 2016-08-10 | 安徽中变变压器有限公司 | Dry-type transformer coil winding device with alignment device and control method |
| CN209804412U (en) * | 2018-10-09 | 2019-12-17 | 上海北变科技有限公司 | Dry-type rectifier transformer with air guide plates for variable frequency speed regulation |
| CN110853911A (en) * | 2019-11-27 | 2020-02-28 | 新晃顺美威科技有限公司 | Transformer coil winding system |
| CN214254124U (en) * | 2020-11-24 | 2021-09-21 | 四川特种变压器厂 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
-
2020
- 2020-11-24 CN CN202011330564.3A patent/CN112447394B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117697A (en) * | 2009-12-31 | 2011-07-06 | 比亚迪股份有限公司 | Winding device and winding machine with same |
| CN204857452U (en) * | 2015-08-11 | 2015-12-09 | 北变变压器（上海）有限公司 | Dry -type wire reel brake equipment for rectifier transformer for variable frequency speed governing(VFSG) |
| CN105845432A (en) * | 2016-06-16 | 2016-08-10 | 安徽中变变压器有限公司 | Dry-type transformer coil winding device with alignment device and control method |
| CN209804412U (en) * | 2018-10-09 | 2019-12-17 | 上海北变科技有限公司 | Dry-type rectifier transformer with air guide plates for variable frequency speed regulation |
| CN110853911A (en) * | 2019-11-27 | 2020-02-28 | 新晃顺美威科技有限公司 | Transformer coil winding system |
| CN214254124U (en) * | 2020-11-24 | 2021-09-21 | 四川特种变压器厂 | Dry-type transformer coil winding equipment for variable frequency speed regulation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620949A (en) * | 2023-06-27 | 2023-08-22 | 嘉兴市恒光电力建设有限责任公司 | High-voltage transmission power cable winding and unwinding device |
| CN116620949B (en) * | 2023-06-27 | 2024-04-30 | 嘉兴市恒光电力建设有限责任公司 | High-voltage transmission power cable winding and unwinding device |
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| CN112447394B (en) | 2024-05-03 |
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