CN215578176U - Large-scale transformer web structure protective structure - Google Patents
Large-scale transformer web structure protective structure Download PDFInfo
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- CN215578176U CN215578176U CN202121682558.4U CN202121682558U CN215578176U CN 215578176 U CN215578176 U CN 215578176U CN 202121682558 U CN202121682558 U CN 202121682558U CN 215578176 U CN215578176 U CN 215578176U
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Abstract
The utility model relates to a large-scale transformer web structural part protection structure, and belongs to the technical field of transformer manufacturing equipment. The technical scheme is as follows: the end part of the limb plate (2) is connected with the web plate (1), the limb plate (2) is fixed on a press-fitting cushion block (4) through an insulating screw rod (3), the press-fitting cushion block (4) is arranged on a press plate (5), and the press plate (5) is arranged at the end part (11) of the high-voltage coil. The utility model has the beneficial effects that: through adopting insulating protective structure and change mounting means, change the electric field environment, increase creepage distance, avoid partial discharge's emergence.
Description
Technical Field
The utility model relates to a large-scale transformer web structural part protection structure, and belongs to the technical field of transformer manufacturing equipment.
Background
The web plate and the structural member welded on the web plate have irreplaceable effects on press fitting of the transformer body and fixing of the lead wire clamp of the transformer. For the transformer with the high-voltage coil leading-out wire, the distance from the end part and the leading-out head of the high-voltage coil to a structural part arranged on the web plate is short, the electrical distance is not easily met, and partial discharge is easily generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a protective structure for a large transformer web structural member, which can change the electric field environment, increase the creepage distance, avoid the occurrence of partial discharge and effectively solve the problems in the background art.
The technical scheme of the utility model is as follows:
the utility model provides a large-scale transformer web structure protective structure, contains web, limb board, insulating screw rod, pressure equipment cushion and clamp plate, the tip and the web of limb board are connected, and limb board passes through insulating screw rod to be fixed on the pressure equipment cushion, and the pressure equipment cushion sets up on the clamp plate, and the clamp plate setting is at the high-voltage coil tip.
And reinforcing iron is arranged at the joint of the web plate and the limb plate.
And the limb plate and the press-fitting cushion block are respectively provided with a first threaded hole and a second threaded hole which are communicated and are matched with the external threads on the insulating screw rod, and the limb plate and the press-fitting cushion block are in threaded connection with the insulating screw rod through the first threaded hole, the second threaded hole and the insulating screw rod.
The number of the first threaded holes, the number of the second threaded holes and the number of the insulating screws are the same, and the number of the first threaded holes, the number of the second threaded holes and the number of the insulating screws are multiple.
The second technical scheme of the utility model is as follows:
a large-scale transformer web structural part protective structure comprises a web, a pressing plate, a lead clamp for a fixed lead, a fixed plate, a bolt and an insulating sheath, wherein the end part of the fixed plate is connected with the web; and a pressing plate is arranged below the fixing plate and arranged at the end part of the high-voltage coil, and the end part of the high-voltage coil is connected with the head of the high-voltage coil.
The utility model has the beneficial effects that: through adopting insulating protective structure and change mounting means, change the electric field environment, increase creepage distance, avoid partial discharge's emergence.
Drawings
FIG. 1 is a schematic structural view of a fixing and press-fitting cushion block for a limb plate at the end part of a high-voltage coil according to the utility model;
FIG. 2 is a schematic view of the structure of the high-voltage coil of the present invention in which the lead is fixed at the head by a lead clip;
in the figure: the high-voltage coil comprises a web plate 1, a limb plate 2, an insulating screw 3, a press-fitting cushion block 4, a pressing plate 5, a lead clamp 6 for fixing a lead, a fixing plate 7, a bolt 8, an insulating sheath 9, a reinforcing iron 10, a high-voltage coil end part 11 and a high-voltage coil head 12.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are preferred embodiments of the present invention. It is to be understood that the described embodiments are merely a subset of the embodiments of the utility model, and not all embodiments; it should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. 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.
The technical scheme of the utility model is as follows:
the utility model provides a large-scale transformer web structure protective structure, contains web 1, limb board 2, insulating screw rod 3, pressure equipment cushion 4 and clamp plate 5, the tip and the web 1 of limb board 2 are connected, and limb board 2 passes through insulating screw rod 3 to be fixed on pressure equipment cushion 4, and pressure equipment cushion 4 sets up on clamp plate 5, and clamp plate 5 sets up at high-voltage coil tip 11.
And a reinforcing iron 10 is arranged at the joint of the web plate 1 and the limb plate 2.
The limb plate 2 and the press-fitting cushion block 4 are respectively provided with a first threaded hole and a second threaded hole which are communicated with each other and are matched with the external threads on the insulating screw rod 3, and the limb plate 2 and the press-fitting cushion block 4 are in threaded connection with the insulating screw rod 3 through the first threaded hole, the second threaded hole and the insulating screw rod.
The number of the first threaded holes, the number of the second threaded holes and the number of the insulating screws 3 are the same and are multiple.
The second technical scheme of the utility model is as follows:
a large-scale transformer web structural part protective structure comprises a web 1, a pressure plate 5, a lead clamp 6 for a fixed lead, a fixed plate 7, a bolt 8 and an insulating sheath 9, wherein the end part of the fixed plate 7 is connected with the web 1, the insulating sheath 9 is sleeved on the fixed plate 7, the lead clamp 6 for the fixed lead is arranged above the fixed plate 7, the fixed plate 7 is connected with the lead clamp 6 for the fixed lead through the bolt 8, the head part of the bolt 8 faces downwards, and the tail part of the bolt 8 faces upwards; the pressing plate 5 is arranged below the fixing plate 7, the pressing plate 5 is arranged at the end part 11 of the high-voltage coil, and the end part 11 of the high-voltage coil is connected with the head 12 of the high-voltage coil.
In practical application, according to the technical scheme I, the limb plate 2 is fixed with the press-fitting cushion block 4 through the insulating screw rod 3. A first threaded hole and a second threaded hole are formed in the limb plate and the press-fitting cushion block 4, and an insulating screw rod is installed in the first threaded hole and the second threaded hole, so that sharp corners are avoided, the creepage distance from the end part of the high-voltage coil to a structural part is increased, and the occurrence of partial discharge can be effectively avoided.
Technical scheme two, increase insulating sheath 9 on fixed plate 7 of wire clamp 6 for the fixed lead wire, set up bolt 8's mounting means simultaneously for the head down, the afterbody is up.
Through these structures of increasing protection and changing the mounting mode, can change the electric field environment effectively, increase creepage distance, avoid partial discharge's emergence.
Claims (4)
1. The utility model provides a large-scale transformer web structure protective structure which characterized in that: contain web (1), limb board (2), insulating screw rod (3), pressure equipment cushion (4) and clamp plate (5), the tip and the web (1) of limb board (2) are connected, and limb board (2) are fixed on pressure equipment cushion (4) through insulating screw rod (3), and pressure equipment cushion (4) set up on clamp plate (5), and clamp plate (5) set up in high-voltage coil tip (11).
2. The large transformer web structural member protection structure of claim 1, wherein: and reinforcing iron (10) is arranged at the joint of the web plate (1) and the limb plate (2).
3. The large transformer web structural member protection structure according to claim 1 or 2, wherein: and the limb plate (2) and the press-fitting cushion block (4) are respectively provided with a first threaded hole and a second threaded hole which are communicated with each other and are matched with external threads on the insulating screw (3), and the limb plate (2) and the press-fitting cushion block (4) are in threaded connection with the insulating screw (3) through the first threaded hole, the second threaded hole and the insulating screw.
4. The utility model provides a large-scale transformer web structure protective structure which characterized in that: the lead fixing device comprises a web plate (1), a pressing plate (5), a lead clamp (6) for fixing a lead, a fixing plate (7), a bolt (8) and an insulating sheath (9), wherein the end part of the fixing plate (7) is connected with the web plate (1), the insulating sheath (9) is sleeved on the fixing plate (7), the lead clamp (6) for fixing the lead is arranged above the fixing plate (7), the fixing plate (7) is connected with the lead clamp (6) for fixing the lead through the bolt (8), the head part of the bolt (8) faces downwards, and the tail part of the bolt (8) faces upwards; the pressing plate (5) is arranged below the fixing plate (7), the pressing plate (5) is arranged at the end part (11) of the high-voltage coil, and the end part (11) of the high-voltage coil is connected with the head (12) of the high-voltage coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682558.4U CN215578176U (en) | 2021-07-23 | 2021-07-23 | Large-scale transformer web structure protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682558.4U CN215578176U (en) | 2021-07-23 | 2021-07-23 | Large-scale transformer web structure protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578176U true CN215578176U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682558.4U Active CN215578176U (en) | 2021-07-23 | 2021-07-23 | Large-scale transformer web structure protective structure |
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| CN (1) | CN215578176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593857A (en) * | 2021-07-23 | 2021-11-02 | 保定天威保变电气股份有限公司 | Protective structure and method for large transformer web structural part |
-
2021
- 2021-07-23 CN CN202121682558.4U patent/CN215578176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593857A (en) * | 2021-07-23 | 2021-11-02 | 保定天威保变电气股份有限公司 | Protective structure and method for large transformer web structural part |
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