CN113410032B - On-site construction method for power distribution cabinet of dry-type transformer - Google Patents
On-site construction method for power distribution cabinet of dry-type transformer Download PDFInfo
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- CN113410032B CN113410032B CN202110546699.1A CN202110546699A CN113410032B CN 113410032 B CN113410032 B CN 113410032B CN 202110546699 A CN202110546699 A CN 202110546699A CN 113410032 B CN113410032 B CN 113410032B
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- fastening
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- type transformer
- lantern ring
- iron core
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- 238000010276 construction Methods 0.000 title claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Breakers (AREA)
Abstract
The invention relates to a field construction method of a dry-type transformer power distribution cabinet, the dry-type transformer power distribution cabinet comprises end covers, three iron cores are uniformly distributed between an upper end cover and a lower end cover, each end cover is provided with three lantern rings, coils are wound on the iron cores, fastening rods are arranged between adjacent iron cores and on the front side and the rear side of each iron core, one side of each lantern ring departing from each end cover is annularly and uniformly distributed with four extrusion plates, the end part of each fastening rod is sleeved with an adjusting plate, the adjusting plates are driven to move towards the direction far away from the end covers by rotating fastening bolts on the fastening rods, the adjusting rods are driven to be separated from the extrusion plates, the coils are clamped, and the coils wound for a long time are prevented from falling off the iron cores; even if the coil is loosened before being clamped, the lantern ring can still be driven to rotate under the action of the return spring, so that the coil is kept tensioned; in addition, the adjusting process of the adjusting plate is completed by rotating the fastening bolt when the iron core is installed, and compared with an independent adjusting device for compressing the coil, the adjusting plate is more convenient to operate.
Description
Technical Field
A field construction method for a dry-type transformer power distribution cabinet.
The invention belongs to the technical field of transformer equipment, and particularly relates to a field construction method of a dry-type transformer power distribution cabinet.
Background
The dry type transformer is widely used for local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and other places, the dry type transformer is simply a transformer with an iron core and a winding which are not immersed in insulating oil, a coil on the dry type transformer is arranged inside, the coil is also directly wound outside the dry type transformer, most of the coils wound by the conventional dry type transformer are of a tension type, two ends of the coil after being wound are fixed on the iron core, the coil is prevented from falling off, two ends of the coil bear large tension, and after the dry type transformer is used for a long time, the part of the end part of the coil fixed with the iron core is easy to loosen, so that the coil falls off. Application number 201922156698.7 discloses a dry-type transformer with a coil compression structure, wherein a cushion on the inner wall of an extrusion plate is attached to the outer wall of a transformer main body to form clamping through the actions of the extrusion plate, a spring and a fixing plate, so that the coil is prevented from falling off due to long-time winding, the operation is complicated, the installation operation can be completed only by repeatedly operating a poking plate and a limiting rod, meanwhile, automatic clamping cannot be performed when the coil is loosened, and the normal use of the transformer is influenced. Therefore, further improvements are needed to address the deficiencies of the prior art.
Disclosure of Invention
In view of the above, the present invention provides a method for constructing a dry type transformer distribution cabinet on site, so as to solve the above problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the dry-type transformer power distribution cabinet comprises an upper end cover and a lower end cover, wherein three iron cores are uniformly distributed between the upper end cover and the lower end cover, through holes matched with the iron cores are formed in the end covers, each end cover is provided with three lantern rings, the middle parts of the lantern rings penetrate through the through holes in the end covers, the end covers are connected with the middle parts of the lantern rings through return force springs, the upper end and the lower end of each iron core are respectively inserted into the through holes of the corresponding end covers, coils are wound on the iron cores, fastening rods are arranged between the adjacent iron cores and on the front side and the rear side of each iron core, the upper end and the lower end of each fastening rod penetrate through the corresponding end covers, and fastening bolts are connected to the upper end and the lower end of each fastening rod in a threaded fit mode.
The lantern ring deviates from one side annular evenly distributed of end cover has four stripper plates, and the stripper plate inner wall adapts to with the iron core lateral wall, is convenient for press from both sides the coil on the tight iron core, and is provided with fastening spring between stripper plate outer wall and the lantern ring edge, fastening spring one end and stripper plate fixed connection, and the fastening spring other end and lantern ring edge fixed connection.
The regulating plate has been cup jointed to the anchorage bar tip, and the fastening bolt outer wall is connected with regulating plate screw-thread fit, and the regulating plate distributes both sides about the end cover with the lantern ring, and annular distribution has four arc through-holes on the lantern ring, be provided with the through-hole on the stripper plate, bilateral symmetry sets up the regulation pole on the regulating plate, adjusts the pole and passes the end cover in proper order, with the arc through-hole that adjusts the pole and correspond the position, and adjust the pole and insert in the through-hole of stripper plate, will extrude the plate rigidity, make fastening spring be in compression state.
Preferably, the rotation direction of the return spring is the same as the winding direction of the coil, and when the adjusting rod is inserted into the through hole of the extrusion plate, the return spring is in a compressed state.
Preferably, a soft pad is pasted in the extrusion plate to prevent the extrusion plate from damaging the coil.
The invention has the beneficial effects that: the invention makes the two end covers lean against each other by rotating the fastening bolt on the fastening rod
The iron core between the two end covers is clamped and fixed, and meanwhile, under the action of the thread matching of the outer wall of the fastening bolt and the adjusting plate, the fastening bolt drives the adjusting plate to move towards the direction far away from the end covers and drives the adjusting rod to be separated from the extrusion plate, on one hand, the elastic force of the fastening spring pushes the extrusion plate to clamp the coil, and the coil wound for a long time is prevented from falling off the iron core; on the other hand, the elastic force of the return spring enables the lantern ring to have a rotating force, and the rotating force of the lantern ring is the same as the winding direction of the coil, so that the coil always has a strained force, even if the coil is loosened before being clamped, the action of the return spring can still be used for driving the lantern ring to rotate, the coil is kept strained, and automatic adjustment of the coil during loosening can be realized; in addition, the adjusting process of the adjusting plate is completed by rotating the fastening bolt when the iron core is installed, and compared with an independent adjusting device for compressing the coil, the adjusting plate is more convenient to operate.
Drawings
FIG. 1 is a view showing the structure of the main body of the present invention;
FIG. 2 is a view showing the structure of the portion A in FIG. 1 according to the present invention;
FIG. 3 is a top view of the collar of the present invention;
fig. 4 is a bottom view of the collar of the present invention.
Reference numbers in the figures: 1, end cover; 2, an iron core; 3, a coil; 4, a lantern ring; 401 arc-shaped through holes; 5 fastening the rod; 6 fastening the bolt; 7, adjusting plates; 8, adjusting a rod; 9 fastening a spring; 10 extruding the plate; 11 return spring.
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments:
as shown in fig. 1-4, a field construction method of a dry type transformer power distribution cabinet includes an upper end cover and a lower end cover 1, three iron cores 2 are uniformly distributed between the upper end cover and the lower end cover 1, through holes matched with the iron cores 2 are formed in the end covers 1, each end cover 1 is provided with a three lantern ring 4, the middle of each lantern ring 4 penetrates through the through hole in the end cover 1, the end covers 1 are connected with the middle of each lantern ring 4 through a return spring 11, the upper end and the lower end of each iron core 2 are respectively inserted into the corresponding through holes in the end covers 1, coils are wound on the iron cores 2, fastening rods 5 are arranged between the adjacent iron cores 2 and on the front side and the rear side of each iron core 2, the upper end and the lower end of each fastening rod 5 penetrate through the corresponding end covers 1, and fastening bolts 6 are connected to the upper end and the lower end of each fastening rod 5 in a threaded fit manner.
In this embodiment, lantern ring 4 deviates from one side annular evenly distributed of end cover 1 has four stripper plates 10, and the stripper plate 10 inner wall is the arc structure with 2 lateral walls adaptations of iron core, is convenient for press from both sides the coil on the tight iron core 2, and is provided with fastening spring 9 between stripper plate 10 outer wall and the 4 edges of lantern ring, fastening spring 9 one end and stripper plate 10 fixed connection, and the fastening spring 9 other end and the 4 edge fixed connections of lantern ring.
In this embodiment, regulating plate 7 has been cup jointed to 5 tip of anchorage bar, and 6 outer walls of fastening bolt are connected with 7 screw-thread fit of regulating plate, and regulating plate 7 distributes in end cover 1 both sides from top to bottom with lantern ring 4, and ring distribution has four arc through-holes 401 on the lantern ring 4, be provided with the through-hole on the stripper plate 10, and bilateral symmetry sets up regulation pole 8 on the regulating plate 7, adjusts pole 8 and passes end cover 1 in proper order, with the arc through-hole 401 who adjusts the pole 8 and correspond the position, and adjust the pole 8 and insert in the through-hole of stripper plate 10, with stripper plate 10 rigidity, make fastening spring 9 be in compression state.
In the present embodiment, the rotation direction of the return spring 11 is the same as the winding direction of the coil, and when the adjustment lever 8 is inserted into the through hole of the pressing plate 10, the return spring 11 is in a compressed state.
In this embodiment, a soft pad is adhered inside the extrusion plate 10 to prevent the extrusion plate from damaging the coil 3.
The field construction method of the invention comprises the following steps: place iron core 2 that twine coil 3 between two end covers 1 of dry-type transformer switch board, through fastening bolt 6 on the rotatory anchorage bar 5, make two end covers 1 be close to each other, iron core 2 between two end covers 1 presss from both sides tightly fixedly, simultaneously under fastening bolt 6 outer wall and the 7 screw-thread fit of regulating plate, fastening bolt 6 drives regulating plate 7 and removes to the direction of keeping away from end cover 1, it separates with stripper plate 10 to drive regulation pole 8, on the one hand fastening spring 9's elasticity promotes stripper plate 10 and presss from both sides the coil tightly, on the other hand, the elasticity of return spring 11 makes lantern ring 4 have the revolving force, and the revolving force of lantern ring 4 is the same with coil 3's winding direction, make the coil keep twining the tight state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a dry-type transformer switch board, dry-type transformer switch board includes two upper and lower end covers, and evenly distributed has three iron core between two upper and lower end covers, is provided with on the end cover with iron core complex through-hole, its characterized in that: each end cover is provided with three lantern rings, the middle parts of the lantern rings penetrate through holes in the end covers, the end covers are connected with the middle parts of the lantern rings through return springs, the upper end and the lower end of each iron core are respectively inserted into the through holes of the corresponding end covers, coils are wound on the iron cores, fastening rods are arranged between the adjacent iron cores and on the front side and the rear side of each iron core, the upper end and the lower end of each fastening rod penetrate through the corresponding end covers, and the upper end and the lower end of each fastening rod are connected with fastening bolts in a threaded fit mode;
four extrusion plates are uniformly distributed on one side of the lantern ring, which is far away from the end cover, in an annular manner, the inner walls of the extrusion plates are adapted to the side wall of the iron core, a fastening spring is arranged between the outer wall of each extrusion plate and the edge of the lantern ring, one end of each fastening spring is fixedly connected with the corresponding extrusion plate, and the other end of each fastening spring is fixedly connected with the edge of the lantern ring;
the regulating plate has been cup jointed to the anchorage bar tip, and the fastening bolt outer wall is connected with regulating plate screw-thread fit, and regulating plate and the lantern ring distribution have four arc through-holes about the end cover, the annular distribution has on the lantern ring, be provided with the through-hole on the stripper plate, bilateral symmetry sets up the regulation pole on the regulating plate, adjusts the pole and passes the end cover in proper order, with the arc through-hole that adjusts the pole and correspond the position, and adjust in the through-hole that the pole inserted the stripper plate.
2. A dry type transformer cabinet according to claim 1, wherein the rotation direction of the return spring is the same as the winding direction of the coil.
3. The dry type transformer distribution cabinet according to claim 1, wherein a soft cushion is adhered inside the extrusion plate.
4. The on-site construction method of the dry type transformer power distribution cabinet according to claim 1, wherein the iron core wound with the coil is placed between two end covers of the dry type transformer power distribution cabinet, the two end covers are close to each other by rotating the fastening bolt on the fastening rod, the iron core between the two end covers is clamped and fixed, simultaneously, under the action of the thread matching of the outer wall of the fastening bolt and the adjusting plate, the fastening bolt drives the adjusting plate to move towards the direction far away from the end covers, the adjusting rod is driven to be separated from the extrusion plate, on one hand, the extrusion plate is pushed by the elastic force of the fastening spring to clamp the coil, on the other hand, the elastic force of the return spring enables the lantern ring to have a rotating force, and the rotating force of the lantern ring is the same as the winding direction of the coil, so that the coil is kept in a winding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546699.1A CN113410032B (en) | 2021-05-19 | 2021-05-19 | On-site construction method for power distribution cabinet of dry-type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546699.1A CN113410032B (en) | 2021-05-19 | 2021-05-19 | On-site construction method for power distribution cabinet of dry-type transformer |
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| CN113410032A CN113410032A (en) | 2021-09-17 |
| CN113410032B true CN113410032B (en) | 2023-03-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115132461A (en) * | 2022-07-29 | 2022-09-30 | 广州中车骏发电气有限公司 | Coil and assembling method |
| CN117747273B (en) * | 2024-02-08 | 2024-05-14 | 山西壹泰科电工设备有限公司 | Reactor coil structure |
| CN118231114B (en) * | 2024-05-27 | 2024-07-26 | 索高变压器有限公司 | Dry-type transformer convenient to equipment |
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| CN210516478U (en) * | 2019-10-25 | 2020-05-12 | 福建雄风电气有限公司 | Automatic winding device for annular iron core |
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| CN208722720U (en) * | 2018-08-27 | 2019-04-09 | 广州昊航电子有限公司 | A kind of novel loop coil |
| CN208848694U (en) * | 2018-09-07 | 2019-05-10 | 深圳市安品源科技有限公司 | A kind of high frequency transformer of plug-in type phone charger |
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- 2021-05-19 CN CN202110546699.1A patent/CN113410032B/en active Active
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|---|---|---|---|---|
| CN210429518U (en) * | 2019-10-12 | 2020-04-28 | 新沂市新润电子有限公司 | Transformer coil wiring structure |
| CN210516478U (en) * | 2019-10-25 | 2020-05-12 | 福建雄风电气有限公司 | Automatic winding device for annular iron core |
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Denomination of invention: On site construction method for dry-type transformer distribution cabinet Granted publication date: 20230321 Pledgee: Industrial and Commercial Bank of China Pingdingshan Jianshe East Road Branch Pledgor: Henan jugao JIAYE Power Equipment Co.,Ltd. Registration number: Y2024980031532 |
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