CN219349958U

CN219349958U - Zero busbar fixing structure is sealed to transformer winding outgoing line

Info

Publication number: CN219349958U
Application number: CN202222304868.3U
Authority: CN
Inventors: 金承祥; 鄂春香
Original assignee: Clp Jiangsu Transformer Manufacturing Co ltd
Current assignee: Clp Jiangsu Transformer Manufacturing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-07-14
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a transformer winding outgoing line zero-sealing busbar fixing structure, which comprises a clamping piece, a coil inner outgoing line busbar, a coil outer outgoing line busbar and a zero-sealing busbar, wherein the zero-sealing busbar is fixed on the clamping piece through an inner full-line screw rod, the zero-sealing busbar is fixed on the coil inner outgoing line busbar through a bolt, and the coil outer outgoing line busbar is fixed on the zero-sealing busbar through an outer full-line screw rod; the inner full-grain screw rods and the outer full-grain screw rods are arranged in the zero-sealing busbar in a staggered mode. According to the utility model, a novel transformer winding outgoing line zero-sealing busbar fixing structure is adopted, so that the difficulty in assembly is reduced, the assembly time is shortened, the assembly quality is effectively improved, the hidden danger of insulation cracking of the end part is prevented, and the quality accident during operation is avoided; meanwhile, the number of threaded holes in the clamping piece of the transformer adopting the structure is reduced, the consumption of insulators can be reduced, the length of the coil internal outgoing busbar is shortened, the busbar consumption is saved, and the manufacturing cost is reduced.

Description

Zero busbar fixing structure is sealed to transformer winding outgoing line

Technical Field

The utility model relates to the field of electrical equipment, in particular to a transformer winding outgoing line zero-sealing busbar fixing structure.

Background

When the winding outlet busbar of the transformer with larger voltage and capacity of 25000kVA and current below and with larger capacity is fixed, the insulator for the inner outlet busbar of each coil is fixed on a supporting piece such as a clamping piece, the insulator for the outer outlet busbar of each coil is fixed with the inner outlet busbar, the inner outlet busbar of the three coils is connected and fixed together by using a bolt group by using a zero-sealing busbar, the insulator fixed on the clamping piece and the insulator for the inner outlet busbar of the fixed coil share the mounting hole on the inner outlet busbar of the coil, and because the inner insulator, the clamping piece and the outer insulator are connected and fixed by using a section of full-line screw, the operation of pulling the coil and the inner outlet busbar and the outer outlet busbar hard to install is needed, the end insulation cracking of the coil is easy to cause, and the appearance and even the performance quality is easy to influence.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a transformer winding outgoing line zero-sealing busbar fixing structure which comprises a clamping piece, an inner outgoing line busbar, an outer outgoing line busbar and a zero-sealing busbar, wherein the clamping piece is arranged above a transformer coil, the inner outgoing line busbar extends out of the transformer coil, the zero-sealing busbar is fixed on the clamping piece through an inner full-line screw rod, an inner insulator is arranged between the clamping piece and the zero-sealing busbar, the zero-sealing busbar is fixed on the inner outgoing line busbar through a bolt, the outer outgoing line busbar is fixed on the zero-sealing busbar through an outer full-line screw rod, and an outer insulator is arranged between the zero-sealing busbar and the outer outgoing line busbar; the inner full-grain screw rods and the outer full-grain screw rods are arranged in the zero-sealing busbar in a staggered mode.

Further, the number of the internal full-thread screws is 2.

Still further, the number of the external full-thread screws is 3.

Further, the height of the inner full-grain screw is consistent with that of the outer full-grain screw.

Further, the inner insulator is sleeved on the inner full-grain screw rod.

Further, the outer insulator is sleeved on the outer full-grain screw rod.

Further, the outer full-line screw rod sequentially penetrates through the coil outer line busbar, the zero-sealing busbar and the coil inner line busbar.

Further, a space is arranged between the coil outgoing line busbar and the zero-sealing busbar.

Furthermore, the coil internal outgoing busbar is tightly attached to the zero-sealing busbar.

The beneficial effects are that: after the novel transformer winding outgoing line zero-sealing busbar fixing structure is adopted, firstly, the difficulty in assembly can be reduced, the working intensity of workers is reduced, the assembly time is shortened, meanwhile, the assembly quality is effectively improved, the hidden danger of insulating cracking of the end part is prevented, the quality accident of the transformer in operation is avoided, and the operation reliability of the transformer is improved; in addition, the number of threaded holes in the clamping piece is reduced, the consumption of insulators can be reduced, the length of the outgoing busbar in the coil is shortened, the consumption of the busbar is saved, and the manufacturing cost is reduced by adopting the transformer with the zero-sealing busbar fixing structure.

Drawings

Fig. 1 is a schematic perspective view of a transformer coil outlet busbar fixing structure;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a partial top view of a transformer coil outlet busbar fixation structure;

FIG. 5 is a partial front view of a transformer coil outlet busbar securing structure;

in the figure: 1. the device comprises clamping pieces, a coil inner outgoing busbar, a coil outer outgoing busbar, an inner insulator, a zero-sealing busbar, an inner full-line screw, an outer insulator, a transformer coil and a transformer coil, wherein the clamping pieces are respectively arranged in the coil inner outgoing busbar, the coil outer outgoing busbar, the inner insulator and the zero-sealing busbar.

Detailed Description

The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

As shown in fig. 1-5, the transformer winding outgoing line zero-sealing busbar fixing structure comprises a clamping piece 1, a coil inner outgoing line busbar 2, a coil outer outgoing line busbar 3 and a zero-sealing busbar 5, wherein the clamping piece 1 is arranged above a transformer coil, the coil inner outgoing line busbar 2 extends out of the transformer coil, the zero-sealing busbar 5 is fixed on the clamping piece 1 through an inner full-line screw 6, an inner insulator 4 is arranged between the clamping piece 1 and the zero-sealing busbar 5, the zero-sealing busbar 5 is fixed on the coil inner outgoing line busbar 2 through a bolt, the coil outer outgoing line busbar 3 is fixed on the zero-sealing busbar 5 through an outer full-line screw 7, and an outer insulator 8 is arranged between the zero-sealing busbar 5 and the coil outer outgoing line busbar 3; the inner full-grain screw rods 6 and the outer full-grain screw rods 7 are arranged in a staggered mode in the zero-sealing

busbar

5, 2 inner full-grain screw rods 6 are arranged, 3 outer full-grain screw rods 7 are arranged, the inner full-grain screw rods 6 are identical to the outer full-grain screw rods 7 in height, the inner insulators 4 are sleeved on the inner full-grain screw rods 6, the outer insulators 8 are sleeved on the outer full-grain screw rods 7, the outer full-grain screw rods 7 sequentially penetrate through the coil outgoing busbar 3, the zero-sealing busbar 5 and the coil internal outgoing busbar 2, an interval is arranged between the coil outgoing busbar 3 and the zero-sealing busbar 5, and the coil internal outgoing busbar 2 is tightly attached to the zero-sealing busbar 5.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The transformer winding outgoing line zero-sealing busbar fixing structure comprises a clamping piece arranged above a transformer coil, an inner coil outgoing line busbar, an outer coil outgoing line busbar and a zero-sealing busbar, wherein the inner coil outgoing line busbar and the outer coil outgoing line busbar extend out of the transformer coil; the inner full-grain screw rods and the outer full-grain screw rods are arranged in the zero-sealing busbar in a staggered mode.

2. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the number of the internal full-line screws is 2.

3. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the number of the external full-line screws is 3.

4. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the height of the inner full-grain screw is identical with that of the outer full-grain screw.

5. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the inner insulator is sleeved on the inner full-line screw.

6. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the outer insulator is sleeved on the outer full-line screw.

7. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the outer full-line screw sequentially penetrates through the coil outer outgoing line busbar, the zero-sealing busbar and the coil inner outgoing line busbar.

8. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein a space is arranged between the coil outgoing line busbar and the zero-sealing busbar.

9. The transformer winding outgoing line zero-sealing busbar fixing structure according to claim 1, wherein the coil outgoing line busbar is tightly attached to the zero-sealing busbar.