CN211294844U

CN211294844U - Transformer bushing

Info

Publication number: CN211294844U
Application number: CN202020109115.5U
Authority: CN
Inventors: 周根先
Original assignee: Liaoning Kunchuang Electric Power Technology Co ltd
Current assignee: Liaoning Kunchuang Electric Power Technology Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-08-18
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a transformer bushing, including wiring board, interior wiring subassembly, conducting rod and the insulator, soldering tin fixed connection is passed through with the top of interior wiring subassembly in the bottom of conducting rod, and the insulator is located the surface of conducting rod, the bottom fixedly connected with mounting disc of wiring board, the top fixedly connected with installation piece of conducting rod, and the mounting disc is run through and extends to the inner chamber of mounting disc in the top of installation piece, the back fixedly connected with reset spring of installation piece inner chamber to reset spring's one end fixedly connected with stopper, the utility model relates to a transformer technical field. This transformer bushing, when insulator and wiring board broke down, the user can carry out fine maintenance to insulator and wiring board, has guaranteed holistic work effect, and has changed the tradition and carried out the mode fixed through the screw, and convenient to use person operates, has reduced maintainer's intensity of labour, and whole leakproofness is strong, simple to operate.

Description

Transformer bushing

Technical Field

The utility model relates to a transformer technical field specifically is a transformer bushing.

Background

The transformer bushing is a main insulation device outside a transformer box, and the insulation bushing has the forms of a pure porcelain bushing, an oil-filled bushing, a capacitor bushing and the like due to different voltage grades. The pure porcelain bushing is a very widely used one in transformer bushings, and is also a transformer bushing which is easy to break down, in the operation of a transformer, load current passes through the transformer bushing for a long time, and short-circuit current passes through the transformer bushing when short circuit occurs outside the transformer, so that the bushing is required to have good electrical strength and mechanical strength, but the overall strength of the pure porcelain bushing is not good, so that a user needs to maintain parts frequently, but the existing transformer bushing is generally fixed through screws, after the transformer bushing is used for a long time, the surface of the transformer bushing is easy to corrode, the user cannot be well disassembled and assembled, and the labor intensity of maintenance personnel is increased.

Traditional transformer bushing, when insulator and wiring board broke down, the user can not carry out fine maintenance to insulator and wiring board, is difficult to guarantee holistic working effect, generally carries out the mode of fixing through the screw, and the person of not being convenient for operates, has increased maintainer's intensity of labour, and whole leakproofness is not strong, and it is not convenient enough to install.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a transformer bushing has solved transformer bushing and has not been convenient for the user to maintain the problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a transformer bushing, includes wiring board, interior wiring subassembly, conducting rod and the insulator, soldering tin fixed connection is passed through with the top of interior wiring subassembly in the bottom of conducting rod, the insulator is located the surface of conducting rod, the bottom fixedly connected with mounting disc of wiring board, the top fixedly connected with installation block of conducting rod, the inner chamber of mounting disc is run through and the mounting disc is extended to the top of installation block, the back fixedly connected with reset spring of installation block inner chamber to reset spring's one end fixedly connected with stopper, one side that reset spring was kept away from to the stopper runs through the surface of installation block and mounting disc and extension to mounting disc in proper order, the top and the bottom of stopper all are through the inner wall sliding connection of gyro wheel with the installation block.

Preferably, the bottom of the mounting disc is provided with a first sealing ring, and the bottom of the first sealing ring is in contact with the top of the insulating ceramic body.

Preferably, the surface of the conducting rod is provided with a threaded groove, the surface of the conducting rod and the bottom of the insulating porcelain body are provided with a fastening plate, and the inner wall of the fastening plate is in threaded connection with the inner wall of the threaded groove through a threaded block.

Preferably, the top of the fastening plate is fixedly connected with an oil tank, and the right side of the oil tank is communicated with an oil filling pipe.

Preferably, the top of the oil tank is provided with a second sealing ring, and the top of the second sealing ring is in contact with the bottom of the insulating porcelain body.

Preferably, the surface of the mounting disc is provided with an opening matched with the limiting block for use.

Advantageous effects

The utility model provides a transformer bushing. Compared with the prior art, the method has the following beneficial effects:

(1) this transformer bushing, top fixedly connected with installation piece through the conducting rod, the inner chamber of mounting disc is run through and extends to on the top of installation piece, the back fixedly connected with reset spring of installation piece inner chamber, and reset spring's one end fixedly connected with stopper, one side that reset spring was kept away from to the stopper runs through installation piece and mounting disc in proper order and extends to the surface of mounting disc, the top and the bottom of stopper all are through the inner wall sliding connection of gyro wheel with the installation piece, when insulator and wiring board break down, the user can carry out fine maintenance to insulator and wiring board, holistic work effect has been guaranteed, and the traditional mode of fixing through the screw that has changed, convenient to use person operates, maintainer's intensity of labour has been reduced.

(2) This transformer bushing is provided with first sealing washer through the bottom of mounting disc to the bottom of first sealing washer contacts with the top of the insulating porcelain body, the top fixedly connected with oil tank of mounting plate, and the right side intercommunication of oil tank has the notes oil pipe, and the top of oil tank is provided with the second sealing washer, and the top of second sealing washer contacts with the bottom of the insulating porcelain body, and whole leakproofness is strong, simple to operate.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a side view of the internal structure of the mounting block of the present invention;

fig. 4 is a cross-sectional view of the fastening plate structure of the present invention.

In the figure: the device comprises a wiring board 1, a wiring assembly 2, a conductive rod 3, an insulating porcelain body 4, a mounting disc 5, a mounting block 6, a return spring 7, a limiting block 8, a roller 9, a first sealing ring 10, a thread groove 11, a fastening plate 12, a thread block 13, an oil tank 14, an oil injection pipe 15 and a second sealing ring 16.

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. 1-3, the present invention provides a technical solution: a transformer bushing comprises a wiring board 1, an inner wiring component 2, a conductive rod 3 and an insulating ceramic body 4, wherein the bottom end of the conductive rod 3 is fixedly connected with the top end of the inner wiring component 2 through soldering tin, the insulating ceramic body 4 is positioned on the surface of the conductive rod 3, the insulating ceramic body 4 is made of ceramic materials, the bottom of the wiring board 1 is fixedly connected with a mounting disc 5, the top end of the conductive rod 3 is fixedly connected with a mounting block 6, the top end of the mounting block 6 penetrates through the mounting disc 5 and extends to the inner cavity of the mounting disc 5, the back of the inner cavity of the mounting block 6 is fixedly connected with a return spring 7, the elastic coefficient of the return spring 7 is determined according to actual conditions and can be replaced, one end of the return spring 7 is fixedly connected with a limiting block 8, one side, far away from the return spring 7, of the limiting block 8 sequentially penetrates through the mounting block 6 and the mounting disc 5 and extends to the surface of the mounting disc 5, the top and the bottom, the arrangement of the roller 9 can make the limited block 8 more stable during movement, and the details which are not described in detail in this specification belong to the prior art known to those skilled in the art.

Referring to fig. 1-2, the bottom of the mounting plate 5 is provided with a first sealing ring 10, and the bottom of the first sealing ring 10 contacts with the top of the insulating ceramic body 4, and the first sealing ring 10 can ensure the sealing performance between the mounting plate 5 at the bottom of the wiring board 1 and the top of the insulating ceramic body 4.

Referring to fig. 4, a threaded groove 11 is formed in the surface of the conductive rod 3, a fastening plate 12 is disposed on the surface of the conductive rod 3 and at the bottom of the insulating ceramic body 4, and an inner wall of the fastening plate 12 is in threaded connection with an inner wall of the threaded groove 11 through a threaded block 13, the fastening plate 12 drives the oil tank 14 to move after moving, and when the fastening plate 12 and the oil tank 14 move out of threads on the surface of the conductive rod 3, a user can take the fastening plate 12 and the oil tank 14 off the conductive rod 3.

Referring to fig. 1-2, the top of the fastening plate 12 is fixedly connected with an oil tank 14, the right side of the oil tank 14 is communicated with an oil filling pipe 15, oil can be introduced into the oil tank 14 through the oil filling pipe 15 during use, a second sealing ring 16 is arranged at the top of the oil tank 14, the second sealing ring 16 can well seal the top of the oil tank 14 and the bottom of the insulating ceramic body 4, the top of the second sealing ring 16 is in contact with the bottom of the insulating ceramic body 4, and an opening matched with the limiting block 8 is formed in the surface of the mounting disc 5.

During the use, when insulator 4 because external perhaps artificial damage that causes, when needing to maintain insulator 4, at this moment the user can rotate mounting plate 12, mounting plate 12 can drive the motion of oil tank 14 after the motion, when the screw thread on 3 surfaces of conducting rod is gone out in mounting plate 12 and the motion of oil tank 14, at this moment the user can take off mounting plate 12 and oil tank 14 from conducting rod 3, and then take off insulator 4 from the surface of conducting rod 3, when wiring board 1 breaks down or the short circuit damages, at this moment the user can extrude stopper 8 to the inside of mounting disc 5, when stopper 8 moves to the inside of mounting block 6, at this moment reset spring 7 also can accumulate certain elasticity, then the user with conducting rod 3 with the mounting disc 5 separate can, just so can maintain wiring board 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A transformer bushing, includes wiring board (1), interior wiring subassembly (2), conducting rod (3) and insulating porcelain body (4), soldering tin fixed connection is passed through with the top of interior wiring subassembly (2) in the bottom of conducting rod (3), insulating porcelain body (4) are located the surface of conducting rod (3), its characterized in that: the utility model discloses a wiring board, including wiring board (1), bottom fixedly connected with mounting disc (5), the top fixedly connected with installation piece (6) of conducting rod (3), the top of installation piece (6) runs through mounting disc (5) and extends to the inner chamber of mounting disc (5), the back fixedly connected with reset spring (7) of installation piece (6) inner chamber to the one end fixedly connected with stopper (8) of reset spring (7), one side that reset spring (7) were kept away from in stopper (8) runs through in proper order installation piece (6) and mounting disc (5) and extends to the surface of mounting disc (5), the top and the bottom of stopper (8) all through the inner wall sliding connection of gyro wheel (9) and installation piece (6).

2. A transformer bushing according to claim 1, characterized in that: the bottom of the mounting disc (5) is provided with a first sealing ring (10), and the bottom of the first sealing ring (10) is in contact with the top of the insulating ceramic body (4).

3. A transformer bushing according to claim 1, characterized in that: the surface of the conducting rod (3) is provided with a threaded groove (11), the surface of the conducting rod (3) and the bottom of the insulating porcelain body (4) are provided with a fastening plate (12), and the inner wall of the fastening plate (12) is in threaded connection with the inner wall of the threaded groove (11) through a threaded block (13).

4. A transformer bushing according to claim 3, characterized in that: the top of the fastening plate (12) is fixedly connected with an oil tank (14), and the right side of the oil tank (14) is communicated with an oil filling pipe (15).

5. The transformer bushing of claim 4, wherein: the top of the oil tank (14) is provided with a second sealing ring (16), and the top of the second sealing ring (16) is in contact with the bottom of the insulating porcelain body (4).

6. A transformer bushing according to claim 1, characterized in that: the surface of the mounting disc (5) is provided with an opening matched with the limiting block (8) for use.