CN215868924U - Oil-immersed transformer body structure - Google Patents
Oil-immersed transformer body structure Download PDFInfo
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- CN215868924U CN215868924U CN202121785248.5U CN202121785248U CN215868924U CN 215868924 U CN215868924 U CN 215868924U CN 202121785248 U CN202121785248 U CN 202121785248U CN 215868924 U CN215868924 U CN 215868924U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002023 wood Substances 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a body structure of an oil-immersed transformer, which mainly solves the problem of poor insulation performance of the existing oil-immersed transformer. The transformer body structure comprises three iron cores serving as a three-phase transformer, clamping pieces, coils, insulating end rings, upper laminated wood blocks, lower laminated wood blocks and a plurality of axial pull screw rods, wherein the clamping pieces are arranged at the upper end and the lower end of the iron core, the front side and the rear side of the iron core and clamp the iron core through side screw rods, the coils are wound on the outer side of the middle of the iron core, the insulating end rings are arranged at the upper end and the lower end of the coils, the upper laminated wood blocks are arranged on the upper side of the upper insulating end ring, the lower laminated wood blocks are arranged on the lower side of the lower insulating end ring, and the plurality of axial pull screw rods are arranged at the front side and the rear side of the iron core and penetrate through the clamping pieces at the upper end and the lower end, the upper laminated wood blocks and the lower laminated wood blocks. Through the design, the oil-immersed transformer body is simple and reasonable in structure, good in electrical performance and insulating performance, convenient to guarantee relative size, easy to realize and convenient to assemble and operate. Therefore, the method is suitable for popularization and application.
Description
Technical Field
The utility model relates to a structure of an oil-immersed transformer body, in particular to a structure of an oil-immersed transformer body.
Background
The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, reduces 10(6) kV or 35kV network voltage to 230/400V bus voltage used by users, is suitable for alternating current 50(60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, generally no single-phase transformer is recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, the ambient temperature is not higher than 40 ℃, not lower than 25 ℃, the maximum daily average temperature is 30 ℃, the maximum annual average temperature is 20 ℃, the relative humidity is not higher than 90% (ambient temperature is 25 ℃), the altitude is not higher than 1000m, and if the capacity is not in accordance with the use conditions, the appropriate rated adjustment is carried out according to relevant regulations of GB 6450-86.
The transformer is divided into an oil-immersed transformer and a dry-type transformer, and with the progress of the oil-immersed transformer technology, the inherent defects and the shortcomings of the traditional transformer body structure of some previous oil-immersed transformers gradually appear. The oil-immersed transformer body mainly comprises an iron core, a coil, a clamping piece, an insulating piece and the like. Because the number of parts is large, the transformer is an electric product, strict requirements are imposed on electric performance and insulating performance, and the quality of the structure directly influences the electric performance and the insulating performance. The safety and reliability of the structure and operability thereof become important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a body structure of an oil-immersed transformer, which mainly solves the problem of poor insulating property of the existing oil-immersed transformer.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an oil-immersed transformer ware body structure, including the three iron core as three-phase transformer, set up both ends about the iron core, both sides and carry out tight folder through other screw rod to the iron core around, the coil of coiling in the iron core middle part outside, set up the insulating end circle at both ends about the coil, set up in the last laminated wood piece of upper end insulating end circle upside, set up in the lower laminated wood piece of lower extreme insulating end circle downside to and set up in both sides and pass about the iron core about and both ends folder, the many axial pull screw rods of last laminated wood piece and lower laminated wood piece.
Furthermore, four axial pull screw rods are arranged on the front side and the rear side of the iron core.
Furthermore, adjusting nuts are arranged at the axial pull screw rods at the two ends of the clamping piece.
Furthermore, the axial pull screw rod at the upper end of the upper laminated wood block and the axial pull screw rod at the lower end of the lower laminated wood block are provided with compression nuts.
Furthermore, the left side and the right side of the upper end of the iron core are provided with lifting appliances, and lifting holes are formed in the lifting appliances.
Preferably, the clip is i-shaped.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the iron core of the acoustic structure of the transformer is clamped by the clamping pieces through the side screw rods, the upper clamping piece and the lower clamping piece penetrate through the pull screw rods, the pull screw rods are equivalent to positioning pins to play a role in fixing the positions of the clamping pieces, and therefore the upper clamping piece and the lower clamping piece are prevented from being displaced left and right during assembly, and the structure of the transformer is safe and reliable.
(2) According to the utility model, the adjusting nuts are arranged on the upper part and the lower part of the clamping piece, and not only can the adjusting nuts play a role of fixing the clamping piece, but also the upper position and the lower position of the clamping piece can be adjusted, so that the upper size and the lower size of the clamping piece relative to the iron core are ensured.
(3) The upper and lower parts of the upper laminated wood block and the lower laminated wood block are provided with the compression nuts, the compression nuts can not only play a role of compressing the coil, but also adjust the axial position of the coil relative to the iron core.
(4) According to the utility model, the two lifting appliances are arranged on the left side and the right side of the upper end of the iron core, so that the whole transformer can be conveniently lifted.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-iron core, 2-clamping piece, 3-coil, 4-insulating end ring, 5-upper laminated wood block, 6-lower laminated wood block, 7-axial pull screw rod, 8-adjusting nut, 9-lifting appliance, 10-lifting hole, 11-side screw rod and 12-compression nut.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1 and 2, the structure of the oil-immersed transformer body disclosed by the utility model comprises three iron cores 1 used as a three-phase transformer, clamping pieces 2 arranged at the upper end, the lower end, the front side and the rear side of the iron core 1 and used for clamping the iron core 1 through side screws 11, a coil 3 wound on the outer side of the middle part of the iron core 1, insulating end rings 4 arranged at the upper end and the lower end of the coil 3, an upper laminated wood block 5 arranged on the upper side of the insulating end ring 4 at the upper end, a lower laminated wood block 6 arranged on the lower side of the insulating end ring 4 at the lower end, and a plurality of axial pull screws 7 arranged at the front side and the rear side of the iron core 1 and penetrating through the clamping pieces 2 at the upper end and the lower end, the upper laminated wood block 5 and the lower laminated wood block 6.
In this embodiment, four axial pull screws 7 are disposed on the front and rear sides of the iron core 1. The utility model discloses an use these eight axial to draw screw rod 7 as the basis, all mountings and structure all draw screw rod 7 along these eight axial and arrange. On one hand, the iron core 1 is clamped by the clamping pieces 2 through the side screw rods 11, the upper clamping piece 2 and the lower clamping piece 2 penetrate through the axial pull screw rods 7, the axial pull screw rods 7 are equivalent to positioning pins to play a role in fixing the positions of the clamping pieces 2, so that the left-right dislocation offset of the upper clamping piece and the lower clamping piece during assembly is prevented, adjusting nuts 8 are arranged on the upper portion and the lower portion of the clamping pieces, the adjusting nuts 8 play a role in fixing the clamping pieces 2, and the upper position and the lower position of the clamping pieces 2 can be adjusted, so that the upper size and the lower size of the clamping pieces relative to the iron core are guaranteed; on the other hand, the insulating end rings 4 are arranged above and below the coil 3 so as to increase the insulating strength and the mechanical strength of the coil, the laminated wood blocks are arranged above and below the insulating end rings 4, the laminated wood blocks 6 on the lower portion play a role in supporting the weight of the coil, the laminated wood blocks 5 on the upper portion and the laminated wood blocks 6 on the lower portion press the coil and the insulating end rings 4 together, and simultaneously press the three-phase coil, so that the axial relative positions of the three-phase coil are ensured to be consistent, the pressing nuts 12 are arranged on the upper portion of the laminated wood blocks 5 and the lower portion of the laminated wood blocks 6 on the lower portion, and the pressing nuts 12 not only can play a role in pressing the coil, but also can adjust the axial position of the coil relative to the iron core; in the third aspect, two lifting appliances 9 are arranged on the left side and the right side of the body, and lifting holes 10 are formed in the lifting appliances, so that the lifting is convenient.
Through the design, the oil-immersed transformer body is simple and reasonable in structure, good in electrical performance and insulating performance, convenient to guarantee relative size, easy to realize and convenient to assemble and operate. Thus, the present invention provides substantial features and improvements over the prior art.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides an oil-immersed transformer ware body structure, a serial communication port, including three iron core (1) as three-phase transformer, set up both ends about iron core (1), both sides around and through other screw rod (11) carry out the folder (2) that press from both sides tight iron core (1), coil (3) of coiling in iron core (1) middle part outside, set up insulating end circle (4) at both ends about coil (3), set up in last laminated wood piece (5) of upper end insulating end circle (4) upside, set up in lower floor laminated wood piece (6) of lower extreme insulating end circle (4) downside to and set up in iron core (1) around both sides and pass many axial of both ends folder (2) from top to bottom, go up laminated wood piece (5) and lower floor laminated wood piece (6) and draw screw rod (7).
2. Oil-filled transformer body structure according to claim 1, characterized in that four axial pull screws (7) are arranged on the front and back sides of the iron core (1).
3. Oil-filled transformer body structure according to claim 2, characterized in that adjusting nuts (8) are arranged at the axial pull screws (7) at both ends of the clamping piece (2).
4. An oil-filled transformer body structure according to claim 3, characterized in that the axial pull screw (7) at the upper end of the upper laminated wood block (5) and the axial pull screw (7) at the lower end of the lower laminated wood block (6) are provided with compression nuts (12).
5. The oil-filled transformer body structure according to claim 4, characterized in that the left and right sides of the upper end of the iron core (1) are provided with lifting appliances (9), and the lifting appliances are provided with lifting holes (10).
6. Oil filled transformer body structure according to claim 5, characterized in that the clamping piece (2) is I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785248.5U CN215868924U (en) | 2021-08-02 | 2021-08-02 | Oil-immersed transformer body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785248.5U CN215868924U (en) | 2021-08-02 | 2021-08-02 | Oil-immersed transformer body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215868924U true CN215868924U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121785248.5U Active CN215868924U (en) | 2021-08-02 | 2021-08-02 | Oil-immersed transformer body structure |
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| CN (1) | CN215868924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119724871A (en) * | 2024-12-24 | 2025-03-28 | 广东四会互感器厂有限公司 | An epoxy resin insulated electromagnetic voltage transformer and its manufacturing process |
-
2021
- 2021-08-02 CN CN202121785248.5U patent/CN215868924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119724871A (en) * | 2024-12-24 | 2025-03-28 | 广东四会互感器厂有限公司 | An epoxy resin insulated electromagnetic voltage transformer and its manufacturing process |
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