CN215911285U

CN215911285U - Oil-immersed transformer with iron core convenient to replace

Info

Publication number: CN215911285U
Application number: CN202122486710.8U
Authority: CN
Inventors: 洪良
Original assignee: Zhuhui Power Equipment Co ltd
Current assignee: Zhuhui Power Equipment Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-25
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses an oil-immersed transformer with conveniently replaced iron cores, which comprises a transformer oil tank with an opening at the top and an oil tank cover arranged at the top of the transformer oil tank, wherein a plurality of iron cores which are uniformly and equidistantly arranged are arranged on the oil tank cover, a sealing groove is arranged at the edge of the opening at the top of the transformer oil tank, a sealing ring which is matched with the sealing groove in a size matched and clamped mode is arranged at the bottom of the oil tank cover, iron core mounting columns with the same number as the iron cores are arranged at the top of the oil tank cover, and thread grooves are formed in the iron core mounting columns. The detachable oil tank cover is arranged on the transformer oil tank, so that the interior of the transformer oil tank can be conveniently and periodically checked, the iron core mounting column with the thread groove arranged on the oil tank cover can be in threaded connection with the thread mounting head on the iron core, the mounting, the dismounting or the replacement are convenient, the maintenance cost is reduced, the fixed plug socket arranged at the bottom in the transformer oil tank can be in plug fit with the iron core, and the stability of iron core mounting is improved.

Description

Oil-immersed transformer with iron core convenient to replace

Technical Field

The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer with an iron core convenient to replace.

Background

The oil-immersed transformer has the characteristics of low loss, large capacity, low price and the like. At present, most of power transformers operating on a power grid are oil-immersed transformers. Oil-immersed transformer is at the operation in-process, and the power consumption in iron core and the winding can produce a large amount of heats, can cause the iron core to damage for a long time, because iron core and oil-immersed transformer be integrated into one piece mechanism, can not change alone, need wholly change, increase cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil-immersed transformer with an iron core convenient to replace, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an oil-immersed transformer of convenient change iron core, includes that the top is open-ended transformer tank and installs in the oil tank cap at transformer tank top, install the iron core that a plurality of even equidistance were arranged on the oil tank cap, transformer tank's open-top edge is provided with the seal groove, oil tank cap's bottom install with seal groove size looks adaptation and joint complex sealing washer, oil tank cap's top install with the same iron core erection column of iron core quantity, the thread groove has been seted up on the iron core erection column, install on the outer wall of iron core with thread groove size looks adaptation and threaded connection's screw thread installation head, transformer tank bottom install with the same and the corresponding fixed plug socket in position of iron core quantity, the bottom and the fixed plug socket cooperation of pegging graft of iron core.

Preferably, the two end parts of the transformer oil tank are symmetrically provided with grooves.

Preferably, a transparent observation area is arranged on the outer wall of one side of the transformer oil tank.

Preferably, the bottom of the oil tank cover is arranged on the limiting insertion columns, the number of the limiting insertion columns is the same as that of the iron core installation columns, and the limiting insertion columns are corresponding in position, and the iron core and the limiting insertion columns are matched in size and in insertion fit.

Preferably, the top of the thread mounting head is provided with a spacing ring,

preferably, a rotating head is mounted on the top of the iron core.

Preferably, the tank cap and the sealing ring are provided with through holes communicated with each other, and four top corners of the bottom of the sealing groove are provided with screw holes.

Preferably, the tank cap is connected to the sealing groove by a fixing bolt sequentially passing through the through hole and the screw hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this oil-immersed transformer of conveniently changing iron core, can carry out the fuel tank cap of dismantling through setting up on transformer tank, be convenient for regularly inspect transformer tank inside, and the iron core erection column that has the thread groove that sets up on the fuel tank cap, can with the screw thread installation head threaded connection on the iron core, conveniently install, dismantle or change, reduce cost of maintenance, the fixed plug socket of bottom installation in transformer tank can with the iron core cooperation of pegging graft, improve the stability of iron core installation.

2. In this oil-immersed transformer of conveniently changing iron core, be convenient for move transformer tank through the recess that sets up, transparent observation area can observe inside situation, and iron core and spacing post size looks adaptation and the cooperation of pegging graft can make the iron core insert the post perpendicularly downwards along spacing, disect insertion to fixed plug socket in, the structure is more stable.

3. In this oil-immersed transformer of conveniently changing iron core, the oil tank cap passes through-hole and screw threaded connection in proper order on the seal groove through fixing bolt, is convenient for install or dismantle, improves the stability of structure.

Drawings

FIG. 1 is a schematic view of an exploded structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view showing an opened structure of the tank cap according to the present invention;

fig. 4 is a schematic cross-sectional structure of the present invention.

The meaning of the various reference symbols in the drawings:

10. a transformer tank; 11. a transparent viewing area; 12. a groove; 13. a sealing groove; 14. a screw hole; 15. fixing the plug socket;

20. a fuel tank cap; 21. fixing the bolt; 22. an iron core mounting post; 23. a thread groove; 24. a seal ring; 25. limiting and inserting the column; 26. a through hole;

30. an iron core; 31. a threaded mounting head; 32. a limiting ring; 33. the head is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

The utility model provides an oil-immersed transformer of convenient change iron core, as shown in fig. 1-4, including the top be open-ended transformer tank 10 and install in the oil tank lid 20 at transformer tank top, install a plurality of even equidistance iron core 30 of arranging on the oil tank lid 20, the open-top edge of transformer tank 10 is provided with seal groove 13, oil tank lid 20's bottom is installed and is connected complex sealing washer 24 with seal groove 13 size looks adaptation and joint, the same iron core erection column 22 of iron core 30 quantity is installed at oil tank lid 20's top, threaded groove 23 has been seted up on the iron core erection column 22, install on the outer wall of iron core 30 with threaded groove 23 size looks adaptation and threaded connection's screw thread installation head 31, the bottom is installed in transformer tank 10 with the same and the corresponding fixed plug socket 15 in position of iron core 30 quantity, the bottom and the fixed plug socket 15 cooperation of iron core 30.

Further, grooves 12 are symmetrically formed in two end portions of the transformer oil tank 10, a transparent observation area 11 is installed on the outer wall of one side of the transformer oil tank 10, the transformer oil tank 10 is convenient to move through the grooves 12, and the internal conditions can be observed through the transparent observation area 11.

Specifically, the bottom of fuel tank cap 20 sets up in the same, the corresponding spacing post 25 of inserting in position of iron core erection column 22 quantity, and iron core 30 and the spacing cooperation of inserting of 25 size looks adaptations of inserting can make iron core 30 insert the perpendicular downwards of post 25 along the spacing, and disect insertion is to fixed plug socket 15 in, and the structure is more stable.

It should be noted that the top of the screw thread mounting head 31 is provided with a limiting ring 32, the top of the iron core 30 is provided with a rotating head 33, the limiting ring 32 can limit the position, and the rotating head 33 can facilitate the rotation of the iron core 30.

In addition, the oil tank cap 20 and the sealing ring 24 are provided with through holes 26 which are communicated with each other, the four top corners of the bottom of the sealing groove 13 are provided with screw holes 14, and the oil tank cap 20 sequentially passes through the through holes 26 and the screw holes 14 through fixing bolts 21 to be connected to the sealing groove 13 in a threaded manner, so that the oil tank cap is convenient to mount or dismount, and the stability of the structure is improved.

When the oil-immersed transformer with the iron core convenient to replace in the embodiment is used, an operator firstly installs the oil tank cap 20 in the sealing groove 13 at the top of the transformer oil tank 10, then inserts the bottom of the iron core 30 in the fixed insertion seat 15, and connects the iron core 30 with the thread groove 23 on the iron core mounting column 22 through the thread mounting head 31 in a threaded manner, and the oil tank cap 20 sequentially passes through the through hole 26 and the screw hole 14 through the fixing bolt 21 and is connected with the sealing groove 13 in a threaded manner.

In the oil-immersed transformer convenient for replacing the iron core, the detachable oil tank cover 20 is arranged on the transformer oil tank 10, so that the interior of the transformer oil tank 10 can be conveniently and periodically checked, the iron core mounting column 22 with the thread groove 23 arranged on the oil tank cover 20 can be in threaded connection with the thread mounting head 31 on the iron core 30, so that the installation, the detachment or the replacement are convenient, the fixed plug socket 15 arranged at the bottom in the transformer oil tank 10 can be in plug fit with the iron core 30, and the installation stability of the iron core 30 is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a conveniently change oil-immersed transformer of iron core which characterized in that: the transformer oil tank comprises an oil tank cover (20) with the top being an open-ended transformer oil tank (10) and installed at the top of the transformer oil tank, iron cores (30) which are arranged at a plurality of uniform equal intervals are installed on the oil tank cover (20), a sealing groove (13) is arranged at the edge of the top opening of the transformer oil tank (10), sealing rings (24) which are matched with the sealing groove (13) in size and clamping are installed at the bottom of the oil tank cover (20), iron core installing columns (22) which are the same in number with the iron cores (30) are installed at the top of the oil tank cover (20), thread grooves (23) are formed in the iron core installing columns (22), thread installing heads (31) which are matched with the thread grooves (23) in size and are in threaded connection are installed on the outer wall of the iron cores (30), fixed inserting seats (15) which are the same in number with the iron cores (30) and correspond to the positions are installed at the bottom of the transformer oil tank (10), the bottom of the iron core (30) is in inserted fit with the fixed inserting seat (15).

2. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: grooves (12) are symmetrically formed in the two end portions of the transformer oil tank (10).

3. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: and a transparent observation area (11) is arranged on the outer wall of one side of the transformer oil tank (10).

4. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: the bottom of fuel tank cap (20) set up in the same, the corresponding spacing post (25) of inserting in position of iron core erection column (22) quantity, iron core (30) and spacing post (25) size looks adaptation and the cooperation of pegging graft.

5. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: and a limiting ring (32) is arranged at the top of the thread mounting head (31).

6. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: the top of the iron core (30) is provided with a rotating head (33).

7. The oil-filled transformer with the iron core convenient to replace according to claim 1, wherein: communicating through-holes (26) are formed in the oil tank cover (20) and the sealing ring (24), and screw holes (14) are formed in four top corners of the bottom of the sealing groove (13).

8. The oil-filled transformer with the iron core convenient to replace according to claim 7, wherein: the oil tank cover (20) sequentially penetrates through the through hole (26) and the screw hole (14) through the fixing bolt (21) and is connected onto the sealing groove (13) in a threaded mode.