CN213752261U

CN213752261U - Dry-type transformer

Info

Publication number: CN213752261U
Application number: CN202120045220.1U
Authority: CN
Inventors: 张浦强
Original assignee: Zhejiang Dongdian Transformer Co ltd
Current assignee: Zhejiang Dongdian Transformer Co ltd
Priority date: 2020-12-30
Filing date: 2021-01-08
Publication date: 2021-07-20
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a dry-type transformer of installation more convenient, stable in structure. The following technical method is adopted: the iron core, set up respectively last folder and lower folder at iron core both ends, the iron core is equipped with low-voltage coil, insulating cylinder, high-voltage coil outward in proper order, interior lead wire copper bar, outer lead wire copper bar have been drawn forth respectively on low-voltage coil, the high-voltage coil, it comprises the relative first channel-section steel that sets up to go up the folder, its characterized in that is formed by the relative second channel-section steel that sets up to lower folder: the first mounting panel of three interval arrangements is welded at first channel-section steel upper end edge, the free end of internal lead copper bar is fixed through low voltage insulator on the first mounting panel, the free end of outer lead copper bar is fixed through low voltage insulator on the internal lead copper bar.

Description

Dry-type transformer

Technical Field

The utility model relates to a dry-type transformer.

Background

Dry transformers are widely used in lighting, high-rise buildings, airports, wharf CNC machinery and other places, and simply, dry transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. Traditional dry-type transformer structure is as the chinese utility model patent of the bulletin number of authorizing "CN 206505809U", the name is "an energy-saving dry-type transformer", including the iron core, set up respectively last folder and lower folder at iron core both ends, the iron core is equipped with low voltage coil, insulating cylinder, high tension coil outward in proper order, interior lead wire copper bar, outer lead wire copper bar have been drawn forth respectively on low voltage coil, the high tension coil. The upper clamping piece and the lower clamping piece are usually composed of square steel which is arranged oppositely, the weight is heavy, the cost is high, a plurality of holes are required to be formed for installation, and the use is inconvenient. Aiming at the problems, a relative channel steel structure is commonly adopted at present. But because the channel steel has lacked a face, it is comparatively inconvenient to the installation of lead wire copper bar and other parts.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an installation is more convenient, stable in structure's dry-type transformer.

In order to achieve the above object, the utility model adopts the following technical scheme that: the iron core, set up respectively last folder and lower folder at iron core both ends, the iron core is equipped with low-voltage coil, insulating cylinder, high-voltage coil outward in proper order, interior lead wire copper bar, outer lead wire copper bar have been drawn forth respectively on low-voltage coil, the high-voltage coil, it comprises the relative first channel-section steel that sets up to go up the folder, its characterized in that is formed by the relative second channel-section steel that sets up to lower folder: the first mounting panel of three interval arrangements is welded at first channel-section steel upper end edge, the free end of internal lead copper bar is fixed through low voltage insulator on the first mounting panel, the free end of outer lead copper bar is fixed through low voltage insulator on the internal lead copper bar.

The dry-type transformer is characterized in that: the insulation tube is characterized in that a resin cushion block is arranged between the first channel steel and the insulation tube, a group of jacking screws which support against the resin cushion block are arranged on the first channel steel, locking nuts are arranged on the jacking screws, and the jacking screws are arranged on reinforcing screw seats of the first channel steel.

The dry-type transformer is characterized in that: and silicon rubber is arranged at the bottom of the resin cushion block.

The dry-type transformer is characterized in that: and a group of positioning columns which are arranged at intervals are arranged on the second channel steel, and the positioning columns are matched with the insulation positioning.

The dry-type transformer is characterized in that: and a group of second mounting plates arranged at intervals are welded at the upper included angle of the first channel steel.

The dry-type transformer is characterized in that: rings are welded on two sides of the upper end of the first channel steel.

The dry-type transformer is characterized in that: and a group of third mounting plates arranged at intervals are welded at the lower included angle of the second channel steel.

The utility model discloses a dry-type transformer advantage: 1. the mounting plate is arranged on the first channel steel, so that the inner lead copper bar is fixed conveniently, and the stability of the inner lead copper bar is improved; 2. through set up the reference column on the second channel-section steel to with the location of insulating cylinder, in order to facilitate the installation.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a conventional dry type transformer;

fig. 2 is a side view of a dry-type transformer of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a side view of a first channel of the present invention;

fig. 5 is a side view of a second channel of the present invention.

Detailed Description

As shown in fig. 1-5, the dry transformer of the present invention includes an iron core 1, and an upper clamping member 2 and a lower clamping member 3 respectively disposed at two ends of the iron core 1. The iron core 1 is equipped with low-voltage coil 4, insulating cylinder 5, high-voltage coil 6 outward in proper order, interior lead wire copper bar 7 and outer lead wire copper bar 8 have been drawn forth respectively on low-voltage coil 4, the high-voltage coil 6. The upper clamping piece 2 is composed of first channel steel 9 which are oppositely arranged, and the lower clamping piece 3 is composed of second channel steel 10 which are oppositely arranged. The welding of first channel-section steel 9 upper end edge has three interval arrangement's first mounting panel 11, the free end of interior lead wire copper bar 7 is fixed through low voltage insulator 12 on the first mounting panel 11, the free end of outer lead wire copper bar 8 is fixed through low voltage insulator 12 on the interior lead wire copper bar 7. Through the structure, the free ends of the inner lead copper bar 7 and the outer lead copper bar 8 can be kept isolated and stable.

Preferably, a resin cushion block 13 is arranged between the first channel steel 9 and the insulating cylinder 5, a group of jacking screws 14 abutting against the resin cushion block 13 are arranged on the first channel steel 9, locking nuts 15 are arranged on the jacking screws 14, and the jacking screws 14 are arranged on a reinforcing screw seat 16 of the first channel steel 9. Through the structure, the first channel steel 9 and the insulating cylinder 5 are kept stable, and meanwhile, the strength of the first channel steel 9 and the connection stability are improved through the design of the reinforcing screw seat 16.

Preferably, the bottom of the resin cushion block 13 is provided with silicon rubber 17 for buffering and noise reduction.

Preferably, a group of positioning columns 18 arranged at intervals are arranged on the second channel steel 10, and the positioning columns 18 are in positioning fit with positioning holes in the bottom of the insulating cylinder 5 so as to be positioned with the insulating cylinder and facilitate installation.

Preferably, a group of second mounting plates 19 arranged at intervals are welded at the upper included angle of the first channel steel 9. And a group of third mounting plates 21 which are arranged at intervals are welded at the lower included angle of the second channel steel 10. The second mounting plate 19 and the third mounting plate 21 are respectively connected with the iron yoke drawstring retaining ring so as to improve the connection strength.

Preferably, hanging rings 20 are welded on two sides of the upper end of the first channel steel 9. So as to facilitate the hoisting and the loading of the dry-type transformer.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.

Claims

1. The utility model provides a dry-type transformer, includes iron core (1), sets up respectively last folder (2) and lower folder (3) at iron core (1) both ends, iron core (1) is equipped with low-voltage coil (4), insulating cylinder (5), high-voltage coil (6) outward in proper order, interior lead wire copper bar (7), outer lead wire copper bar (8) have been drawn forth respectively on low-voltage coil (4), high-voltage coil (6), it comprises relative first channel-section steel (9) that sets up to go up folder (2), folder (3) comprises relative second channel-section steel (10) that sets up down, its characterized in that: the welding of first channel-section steel (9) upper end edge has first mounting panel (11) of three interval arrangements, the free end of interior lead wire copper bar (7) is fixed through low voltage insulator (12) on first mounting panel (11), the free end of outer lead wire copper bar (8) is fixed through low voltage insulator (12) on interior lead wire copper bar (7).

2. A dry transformer as claimed in claim 1, wherein: be equipped with resin cushion (13) between first channel-section steel (9) and insulating cylinder (5), be equipped with on first channel-section steel (9) a set of support in the set screw (14) of pushing down of resin cushion (13), be equipped with lock nut (15) on set screw (14), set screw (14) are pressed down and are set up on the reinforcement screw seat (16) of first channel-section steel (9).

3. A dry transformer as claimed in claim 2, wherein: and the bottom of the resin cushion block (13) is provided with silicon rubber (17).

4. A dry transformer as claimed in claim 1, wherein: and a group of positioning columns (18) which are arranged at intervals are arranged on the second channel steel (10), and the positioning columns (18) are in positioning fit with the insulating cylinder (5).

5. A dry transformer as claimed in claim 1, wherein: and a group of second mounting plates (19) which are arranged at intervals are welded at the upper included angle of the first channel steel (9).

6. A dry transformer as claimed in claim 1, wherein: rings (20) are welded on two sides of the upper end of the first channel steel (9).

7. A dry transformer as claimed in claim 1, wherein: and a group of third mounting plates (21) which are arranged at intervals are welded at the lower included angle of the second channel steel (10).