CN212516878U - Transformer bushing convenient to change - Google Patents
Transformer bushing convenient to change Download PDFInfo
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- CN212516878U CN212516878U CN202021194571.0U CN202021194571U CN212516878U CN 212516878 U CN212516878 U CN 212516878U CN 202021194571 U CN202021194571 U CN 202021194571U CN 212516878 U CN212516878 U CN 212516878U
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- transformer bushing
- base plate
- bushing
- backing plate
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Abstract
The utility model discloses a transformer bushing convenient to change, including connecting and conducting rod, the top that connects is connected with sleeve pipe fixation nut, fixation nut's top is provided with fixed backing plate, the both sides of fixed backing plate are provided with connecting device, connecting device's top sets up the backing plate gag lever post, the insulator is installed at the top of backing plate gag lever post, the externally mounted of insulator has the fin, the bottom of conducting rod sets up fixed backing plate, the conducting rod outside is provided with insulating oil, the breather pipe has been seted up at the top of pressure relief cover, the outside of breather pipe is provided with lock nut. This transformer bushing convenient to change, fixed backing plate are the aggregate structure, and the cross-section of fixed backing plate is cross structure, adopts fixed backing plate and backing plate gag lever post, adopts fixing nut for transformer bushing passes through fixed backing plate and fixing nut to be fixed on the transformer, increases the fixed simple and convenient degree of transformer bushing, is convenient for change.
Description
Technical Field
The utility model relates to a transformer technical field specifically is a transformer bushing convenient to change.
Background
The transformer bushing is a main insulation device outside the transformer box, and the outgoing lines of the transformer winding must penetrate through the insulation bushing to insulate the outgoing lines and the outgoing lines from the transformer shell, and meanwhile, the transformer bushing plays a role in fixing the outgoing lines. The insulating sleeve has the forms of a pure porcelain sleeve, an oil-filled sleeve, a capacitor sleeve and the like due to different voltage grades. The pure porcelain bushing is used for a low-voltage transformer, a conductive copper rod is penetrated in the porcelain bushing, and air insulation is adopted in the porcelain bushing; the oil-filled bushing is used for high-voltage transformers, and is characterized in that oil is filled in a porcelain bushing, a conductive copper rod penetrates through the porcelain bushing, and insulating paper is wrapped outside the copper rod.
However, most transformer bushings in the market are inconvenient to replace, heat dissipation is inconvenient, and pressure relief is inconvenient when pressure is too high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer bushing convenient to change to solve the transformer bushing on the existing market that the above-mentioned background art provided and be not convenient for change, inconvenient heat dissipation, and the problem of the inconvenient pressure release of pressure when pressure is too big.
In order to achieve the above object, the utility model provides a following technical scheme: a transformer bushing convenient to replace comprises a joint and a conducting rod, wherein the top of the joint is connected with a bushing fixing nut, the top of the fixing nut is provided with a fixing base plate, two sides of the fixing base plate are provided with connecting devices, the top of each connecting device is provided with a base plate limiting rod, the top of each base plate limiting rod is provided with a porcelain bushing, the outside of each porcelain bushing is provided with a radiating fin, the top of each porcelain bushing is provided with a plurality of fixing holes,
the bottom of conducting rod sets up fixed backing plate, the conducting rod outside is provided with insulating oil, the outside of insulating oil is provided with the insulating layer, the top of insulating layer is provided with the pressure release cover, the inside rubber gasbag that is provided with of pressure release cover, rubber gasbag's inside is provided with the spring, the breather pipe has been seted up at the top of pressure release cover, the outside of breather pipe is provided with lock nut.
Preferably, the fixed backing plate is of an assembly structure, the cross section of the fixed backing plate is of a cross structure, the fixed nut is of a double-layer round tube structure, and the outer portion of the inner round tube of the fixed nut is of a regular hexagon structure.
Preferably, the connecting device comprises a bolt, a nut, an elastic washer and a sealing ring, the nut is arranged at the bottom of the bolt, the elastic washer is arranged at the bottom of the nut, the elastic washer is circular, the diameter of the elastic washer is the same as that of the nut, and a hole which is the same as that of the bolt is formed in the middle of the elastic washer.
Preferably, the porcelain bushing is fixedly connected with six radiating fins, radiating grooves are formed in the radiating fins, and eight radiating grooves are formed in each radiating fin.
Preferably, the conductive rod is cylindrical, the bottom of the conductive rod is in contact with the fixed base plate, and the conductive rod is made of copper.
Preferably, lock nut has screwed on the breather pipe, and inside spring and the breather pipe that is provided with three evenly distributed of rubber gasbag to the spring sets up with the axle center with the breather pipe.
Compared with the prior art, the beneficial effects of the utility model are that: this transformer bushing convenient to change is provided with fixed backing plate and joint, is convenient for change:
1. the fixed base plate is of an assembly structure, the cross section of the fixed base plate is of a cross structure, the fixed nut is of a double-layer round tube structure, the outer portion of a round tube on the inner layer of the fixed nut is of a regular hexagon structure, the fixed base plate and the base plate limiting rod are adopted, the fixed base plate is placed on the surface of the transformer bushing through the base plate limiting rod, the installation convenience of the fixed base plate is improved, the installation time of the fixed base plate is reduced, the fixed nut is adopted, the transformer bushing is fixed on the transformer through the fixed base plate and the fixed nut, the fixing simplicity and convenience of the transformer bushing are improved, and the transformer;
2. the porcelain bushing is fixedly connected with six radiating fins, the radiating fins are provided with radiating grooves, each radiating fin is provided with eight radiating grooves, and the radiating fins are arranged on the surface of the transformer bushing, so that the heat can be effectively radiated, and the phenomenon that the temperature in the transformer bushing is too high to influence the efficiency of the transformer is avoided;
3. the breather pipe is screwed with a locking nut, the inside spring and the breather pipe which are provided with three evenly distributed are arranged in the rubber air bag, the spring and the breather pipe are coaxially arranged, when the pressure in the transformer bushing rises, the insulating oil can enter the pressure relief sleeve, along with the increase of the insulating oil in the pressure relief sleeve, the rubber air bag is compressed, the air in the rubber air bag is discharged through the breather pipe, and meanwhile, the spring is compressed, so that the pressure relief protection effect is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the rubber bladder of the present invention;
FIG. 3 is a schematic view of the enlarged structure of the part A of the present invention;
fig. 4 is a top view of the rubber air bag of the present invention.
In the figure: 1. a joint; 2. fixing a nut; 3. fixing the base plate; 4. a cushion plate limiting rod; 5. a connecting device; 501. a bolt; 502. a nut; 503. an elastic washer; 504. a seal ring; 6. a heat sink; 7. a porcelain bushing; 8. insulating oil; 9. a conductive rod; 10. an insulating layer; 11. a rubber air bag; 12. a spring; 13. a pressure relief sleeve; 14. locking the nut; 15. a breather tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a transformer bushing convenient to replace comprises a joint 1, a fixing nut 2, a fixing base plate 3, a base plate limiting rod 4, a connecting device 5, a radiating fin 6, a porcelain bushing 7, insulating oil 8, a conducting rod 9, an insulating layer 10, a rubber air bag 11, a spring 12, a pressure relief sleeve 13, a locking nut 14 and an air pipe 15, wherein the top of the joint 1 is connected with the bushing fixing nut 2, the fixing base plate 3 is arranged at the top of the fixing nut 2, the fixing base plate 3 is of an assembly structure, the cross section of the fixing base plate 3 is of a cross structure, the fixing nut 2 is of a double-layer round pipe structure, the outer part of an inner-layer round pipe of the fixing nut 2 is of a regular hexagon structure, the fixing base plate 3 and the base plate limiting rod 4 are adopted, the fixing base plate 3 is placed on the surface of the transformer bushing through the base plate limiting rod 4, the convenience in installation of the fixing base, adopt fixing nut 2 for the transformer bushing passes through fixing backing plate 3 and fixing nut 2 to be fixed on the transformer, increase the fixed simple and convenient degree of transformer bushing, be convenient for change, the both sides of fixing backing plate 3 are provided with connecting device 5, connecting device 5 includes bolt 501, nut 502, elastic washer 503 and sealing washer 504, the bottom of bolt 501 sets up nut 502, the bottom of nut 502 sets up elastic washer 503, elastic washer 503's shape is circular, and the diameter size is the same with the diameter of nut 502, and set up the hole with bolt 501 diameter size in the middle of elastic washer 503, connecting device 5 has connected fixing backing plate 3 and insulator 7, and has set up sealing washer 504, has increased the leakproofness, the top of connecting device 5 sets up backing plate gag lever post 4, insulator 7 is installed at the top of backing plate gag lever post 4, the externally mounted of insulator 7 has fin 6, the porcelain bushing 7 is fixedly connected with six radiating fins 6, radiating grooves are arranged on the radiating fins 6, eight radiating grooves are arranged on each radiating fin 6, the radiating fins 6 are arranged on the surface of the transformer bushing, the transformer bushing can effectively radiate heat, the phenomenon that the temperature inside the transformer bushing is too high to influence the efficiency of the transformer is avoided,
the bottom of conducting rod 9 sets up fixed backing plate 3, the conducting rod 9 outside is provided with insulating oil 8, the shape of conducting rod 9 is cylindrical, bottom contact fixed backing plate 3, the preparation material of conducting rod 9 is copper, has set up conducting rod 9, can reduce the static that the work produced, promotes the security, the outside of insulating oil 8 is provided with insulating layer 10, the top of insulating layer 10 is provided with pressure release cover 13, pressure release cover 13 inside is provided with rubber gasbag 11, the inside of rubber gasbag 11 is provided with spring 12, pressure release cover 13's top has seted up breather pipe 15, the outside of breather pipe 15 is provided with lock nut 14, lock nut 14 has been closed on breather pipe 15 to the spiral, and inside spring 12 and the breather pipe 15 that are provided with three evenly distributed of rubber gasbag 11 to spring 12 sets up with the axle center with breather pipe 15, when the pressure in the transformer bushing rises, the insulating oil 8 can enter the pressure relief sleeve 13, the rubber air bag 11 is compressed along with the increase of the insulating oil 8 in the pressure relief sleeve 13, the air in the rubber air bag is discharged through the vent pipe 15, and meanwhile, the spring 12 is compressed, so that the pressure relief protection effect is achieved.
The working principle is as follows: when the transformer bushing convenient to replace is used, firstly, the fixed base plate 3 is of an assembly structure, the cross section of the fixed base plate 3 is of a cross structure, the fixed nut 2 is of a double-layer round tube structure, the outer part of an inner layer round tube of the fixed nut 2 is of a regular hexagon structure, the fixed base plate 3 and the base plate limiting rod 4 are adopted, the fixed base plate 3 is placed on the surface of the transformer bushing through the base plate limiting rod 4, the installation convenience of the fixed base plate 3 is improved, the installation time of the fixed base plate 3 is shortened, the fixed nut 2 is adopted, the transformer bushing is fixed on a transformer through the fixed base plate 3 and the fixed nut 2, the fixing simplicity and convenience of the transformer bushing are improved, the replacement is convenient, the transformer bushing can generate heat in the working process, the porcelain bushing 7 is fixedly connected with six radiating fins 6, and radiating grooves are formed in, when the pressure of the transformer bushing is increased, the insulating oil 8 enters the pressure relief sleeve 13, the rubber air bag 11 is compressed along with the increase of the insulating oil 8 in the pressure relief sleeve 13, the air in the rubber air bag 11 is discharged through the vent pipe 15, and the spring 12 is compressed to play a role of pressure relief protection.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A transformer bushing convenient to change, includes joint (1) and conducting rod (9), its characterized in that: the top of the joint (1) is connected with a sleeve fixing nut (2), the top of the sleeve fixing nut (2) is provided with a fixing base plate (3), two sides of the fixing base plate (3) are provided with connecting devices (5), the top of the connecting devices (5) is provided with a base plate limiting rod (4), the top of the base plate limiting rod (4) is provided with a porcelain bushing (7), the outside of the porcelain bushing (7) is provided with a radiating fin (6), wherein,
the bottom of conducting rod (9) sets up fixed bolster (3), conducting rod (9) outside is provided with insulating oil (8), the outside of insulating oil (8) is provided with insulating layer (10), the top of insulating layer (10) is provided with pressure release cover (13), the inside rubber air bag (11) that is provided with of pressure release cover (13), the inside of rubber air bag (11) is provided with spring (12), breather pipe (15) have been seted up at the top of pressure release cover (13), the outside of breather pipe (15) is provided with lock nut (14).
2. The transformer bushing of claim 1, wherein the transformer bushing is adapted to be replaced by: the fixing base plate (3) is of an assembly structure, the cross section of the fixing base plate (3) is of a cross structure, the sleeve fixing nut (2) is of a double-layer circular tube structure, and the outer portion of an inner circular tube of the sleeve fixing nut (2) is of a regular hexagon structure.
3. The transformer bushing of claim 1, wherein the transformer bushing is adapted to be replaced by: the connecting device (5) comprises a bolt (501), a nut (502), an elastic washer (503) and a sealing ring (504), the nut (502) is arranged at the bottom of the bolt (501), the elastic washer (503) is arranged at the bottom of the nut (502), the elastic washer (503) is circular, the diameter of the elastic washer is the same as that of the nut (502), and a hole which is the same as that of the bolt (501) is formed in the middle of the elastic washer (503).
4. The easy-to-replace transformer bushing of claim 1 wherein: six radiating fins (6) are fixedly connected to the porcelain bushing (7), radiating grooves are formed in the radiating fins (6), and eight radiating grooves are formed in each radiating fin (6).
5. The transformer bushing of claim 1, wherein the transformer bushing is adapted to be replaced by: the conductive rod (9) is cylindrical, the bottom of the conductive rod is in contact with the fixed base plate (3), and the conductive rod (9) is made of copper.
6. The transformer bushing of claim 1, wherein the transformer bushing is adapted to be replaced by: lock nut (14) have been closed to the spiral on breather pipe (15), and rubber gasbag (11) inside is provided with three evenly distributed's spring (12) and breather pipe (15) to spring (12) and breather pipe (15) are with the axle center setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194571.0U CN212516878U (en) | 2020-06-24 | 2020-06-24 | Transformer bushing convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194571.0U CN212516878U (en) | 2020-06-24 | 2020-06-24 | Transformer bushing convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212516878U true CN212516878U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021194571.0U Active CN212516878U (en) | 2020-06-24 | 2020-06-24 | Transformer bushing convenient to change |
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| CN (1) | CN212516878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410081A (en) * | 2023-12-05 | 2024-01-16 | 佛山市顺德区均安镇顺和微电机有限公司 | Transformer bushing convenient to install and application method thereof |
| CN117410081B (en) * | 2023-12-05 | 2024-06-04 | 广西海恒电力科技有限公司 | Transformer bushing convenient to install and application method thereof |
-
2020
- 2020-06-24 CN CN202021194571.0U patent/CN212516878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410081A (en) * | 2023-12-05 | 2024-01-16 | 佛山市顺德区均安镇顺和微电机有限公司 | Transformer bushing convenient to install and application method thereof |
| CN117410081B (en) * | 2023-12-05 | 2024-06-04 | 广西海恒电力科技有限公司 | Transformer bushing convenient to install and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221025 Address after: No. 318-1, North Xuhai Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province, 221000 Patentee after: Tianhong Power Technology Co.,Ltd. Address before: 221000 Taiping Village, Xuzhuang Town, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee before: Jiangsu Zhongchi Power Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |