CN219106523U

CN219106523U - Copper-aluminum transition conductive bar for transformer

Info

Publication number: CN219106523U
Application number: CN202223567124.7U
Authority: CN
Inventors: 张信华
Original assignee: Yangzhou Wang Yuan Electric Co ltd
Current assignee: Yangzhou Wang Yuan Electric Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a copper-aluminum transition conducting bar for a transformer, and relates to the technical field of copper-aluminum transition conducting bars. The copper-aluminum transition conducting bar for the transformer comprises a first copper-aluminum transition bar. According to the utility model, the distance between the first copper-aluminum transition row and the second copper-aluminum transition row can be adjusted by arranging the fixing plugboard and the sliding groove, the length of the conductive row can be flexibly adjusted according to the actual use environment of the conductive row, the adaptability is enhanced, the practicability is enhanced, after the bolts are fastened through the first threaded holes by arranging the limiting round holes, the fixing plugboard and the first copper-aluminum transition row can be rapidly limited, the sliding stability of the fixing plugboard in the sliding groove is enhanced by arranging the grooves and the limiting plates, and the second copper-aluminum transition rows with different shapes can be flexibly replaced according to the actual use conditions, so that the flexibility is enhanced, and the practicability is enhanced.

Description

Copper-aluminum transition conductive bar for transformer

Technical Field

The utility model relates to the technical field of copper-aluminum transition conductive bars, in particular to a copper-aluminum transition conductive bar for a transformer.

Background

The copper ore resources of a country with poor copper and rich aluminum resources in China are 70 percent of the copper ore resources need to depend on import, so that the country has been advocated in recent years for manufacturers to develop novel copper-aluminum composite conductive materials so as to reduce the consumption of copper materials in China and achieve the strategic purpose of saving copper with aluminum. The aluminum surface is extremely easy to oxidize, an oxide film is extremely difficult to remove, so that the contact resistance is high, soldering tin and welding cannot be performed, the popularization rate of aluminum-substituted copper is seriously influenced, the development of copper-clad aluminum is successful, and a rotary machine for aluminum-substituted copper is initiated. The use of copper-clad aluminum wires has become popular and has good development prospects. Copper clad aluminum is used only in wiring of building wires and high frequency cables and shielded wires for broadcast television communications abroad. It is also applicable to high-capacity special conductors such as copper-clad aluminum flat wires, copper-clad aluminum bus bars, paper-clad flat wires (bus bars).

For example, patent number CN200956413Y discloses an aluminum conductor bus duct inlet section copper-aluminum transition connection device comprising establishing an electrical connection between an aluminum bus duct and a copper bus duct/power distribution cabinet/transformer, the aluminum bus duct/power distribution cabinet/transformer comprising at least one aluminum conductor bar, the aluminum conductor bus duct inlet section copper-aluminum transition connection device comprising at least one copper-aluminum transition piece and at least one insulating fastener fastening the aluminum conductor bar, the copper conductor bar and the copper-aluminum transition piece into one piece, the copper-aluminum transition piece comprising a layer of aluminum sheet in direct contact with the aluminum conductor bar and a layer of copper sheet in direct contact with the copper conductor bar in composite fusion-bonding on the aluminum sheet;

and patent number CN217881973U, which discloses a conductive bar structure and a conductive bar assembly, comprising a conductive bar; the electric conduction bar comprises an electric conduction bar main board, electric conduction bar extension boards connected to two ends of the electric conduction bar main board and an electric conduction bar connecting board connected to the electric conduction bar extension boards; the electric conduction bar extension plate is provided with an insulating sheath, the electric conduction bar main plate is provided with a heat conduction insulating shell, and the insulating sheath is in sealing connection with the heat conduction insulating shell; one side of the heat conduction insulating shell is provided with a shell clamping groove for clamping the liquid cooling pipe.

The conductive bars in the two patents and the conductive bars on the current market are mostly fixed in length and shape, the length and the shape of the conductive bars cannot be flexibly assembled and changed according to actual use scenes, the adaptability is poor, and the practicability is not strong.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a copper-aluminum transition conducting bar for a transformer, which solves the problem that the existing conducting bar is poor in adaptability and not practical.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a copper aluminium transition conducting bar for transformer, includes first copper aluminium transition row, the laminating of the surface of first copper aluminium transition row has the second copper aluminium transition row, first screw hole has all been seted up at the top both ends of first copper aluminium transition row, the second screw hole has been seted up under the bottom of first copper aluminium transition row is located first screw hole, the sliding tray has been seted up to the inside of first copper aluminium transition row, equal fixedly connected with limiting plate on the inside both sides wall of sliding tray, the fixed picture peg of fixed surface that the second copper aluminium transition row is close to first copper aluminium transition row, fixed picture peg's surface and bottom are equal to be seted up spacing round hole apart from, the both sides face of fixed picture peg has all been seted up flutedly.

Preferably, the fixed plugboard and the sliding groove are square, and the size of the fixed plugboard is matched with that of the sliding groove.

Preferably, the outer surface of the fixed plugboard is connected inside the sliding groove in a sliding way.

Preferably, the limiting plate is square, and the length of the limiting plate is equal to the depth of the sliding groove.

Preferably, the groove is U-shaped, the outer surface of the limiting plate is slidably connected in the groove, and the outer surface of the limiting plate is attached to the inner wall of the groove.

Preferably, the caliber of the first threaded hole is the same as that of the second threaded hole, bolts are arranged in the first threaded hole and the second threaded hole in a threaded mode, and the bottoms of the bolts are abutted to the inner portion of the limiting round hole.

Advantageous effects

The utility model provides a copper-aluminum transition conductive bar for a transformer. Compared with the prior art, the device has the following

The beneficial effects are that:

1. this copper aluminium transition is electrically conductive row for transformer through setting up fixed picture peg and sliding tray, can adjust the distance between first copper aluminium transition row and the second copper aluminium transition row, can adjust the length of electrically conductive row according to the in-service use environment of electrically conductive row in a flexible way, has strengthened adaptability, has strengthened the practicality.

2. This copper aluminium transition is electrically conductive arranges for transformer through setting up spacing round hole, after passing through first screw hole fastening with the bolt, can be fast spacing between fixed picture peg and the first copper aluminium transition is arranged, through setting up recess and limiting plate, strengthened fixed picture peg at the inside gliding stability of sliding tray to also can change the second copper aluminium transition row of different shapes in a flexible way according to the in-service use condition, strengthened the flexibility, strengthened the practicality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a first Cu-Al transition row according to the present utility model;

fig. 3 is a schematic structural diagram of a second copper-aluminum transition row according to the present utility model.

In the figure: 1. a first copper-aluminum transition row; 2. the second copper-aluminum transition row; 101. a sliding groove; 102. a first threaded hole; 103. a second threaded hole; 104. a limiting plate; 21. fixing the plugboard; 22. limiting round holes; 23. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the copper-aluminum transition conducting bar for the transformer comprises a first copper-aluminum transition bar 1, wherein a second copper-aluminum transition bar 2 is attached to the surface of the first copper-aluminum transition bar 1, first threaded holes 102 are formed in two ends of the top of the first copper-aluminum transition bar 1, second threaded holes 103 are formed in the bottom of the first copper-aluminum transition bar 1 and right below the first threaded holes 102, sliding grooves 101 are formed in the first copper-aluminum transition bar 1, limiting plates 104 are fixedly connected to two side walls of the inner portion of the sliding grooves 101, the limiting plates 104 are square, the length of the limiting plates 104 is equal to the depth of the sliding grooves 101, fixed insertion plates 21 are fixedly connected to the surface of the second copper-aluminum transition bar 2, which is close to the first copper-aluminum transition bar 1, the fixed insertion plates 21 and the sliding grooves 101 are square, and the size of fixed picture peg 21 and the size phase-match of sliding tray 101, the surface sliding connection of fixed picture peg 21 is in the inside of sliding tray 101, spacing round hole 22 has been seted up to the equal distance in surface and bottom of fixed picture peg 21, the bore of first screw hole 102 and second screw hole 103 is the same, the inside of first screw hole 102 and second screw hole 103 is all screw-threaded and is installed the bolt, the inside of leaning on spacing round hole 22 is supported to the bottom of bolt, recess 23 has all been seted up to the both sides face of fixed picture peg 21, recess 23 is "U" shape, the surface sliding connection of limiting plate 104 is in the inside of recess 23, the surface laminating of limiting plate 104 can be to the in-service use environment according to the conducting strip, the length to the conducting strip is adjusted in a flexible way, the adaptability has been strengthened, the practicality has been strengthened.

Before using, firstly, according to the actual service environment, firstly, the length of the conducting bar is adjusted, when in adjustment, firstly, the bolts in the first threaded hole 102 and the second threaded hole 103 are taken down, then the second copper-aluminum transition bar 2 is pulled, the fixed plug board 21 slides in the sliding groove 101, meanwhile, the outer surface of the limiting plate 104 is connected with the inner wall of the groove 23 in a sliding mode, after the length of the conducting bar is adjusted, the bolts are installed in the first threaded hole 102, the tail ends of the bolts lightly lean against the surface of the fixed plug board 21 through rotating the bolts, then the second copper-aluminum transition bar 2 is pulled slightly, the tail ends of the bolts are positioned on the same straight line with the limiting round hole 22, then the tail ends of the bolts are tightly abutted against the inner part of the limiting round hole 22 through fastening the bolts in the first threaded hole 102 and the second threaded hole 103, at this moment, the distance between the first copper-aluminum transition bar 1 and the second copper-aluminum transition bar 2 is fixed, and the length adjustment of the conducting bar is completed.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. The utility model provides a copper aluminium transition conducting bar for transformer, includes first copper aluminium transition row (1), its characterized in that: the surface laminating of first copper aluminium transition row (1) has second copper aluminium transition row (2), first screw hole (102) have all been seted up at the top both ends of first copper aluminium transition row (1), second screw hole (103) have been seted up under the bottom of first copper aluminium transition row (1) is located first screw hole (102), sliding tray (101) have been seted up to the inside of first copper aluminium transition row (1), all fixedly connected with limiting plate (104) on the inside both sides wall of sliding tray (101), the fixed picture peg (21) of fixed surface of second copper aluminium transition row (2) being close to first copper aluminium transition row (1), spacing round hole (22) have all been seted up at the equal interval in surface and bottom of fixed picture peg (21), recess (23) have all been seted up to the both sides face of fixed picture peg (21).

2. The copper aluminum transition conductive strip for a transformer of claim 1, wherein: the fixed plugboard (21) and the sliding groove (101) are square, and the size of the fixed plugboard (21) is matched with that of the sliding groove (101).

3. The copper aluminum transition conductive strip for a transformer of claim 1, wherein: the outer surface of the fixed plugboard (21) is connected inside the sliding groove (101) in a sliding way.

4. The copper aluminum transition conductive strip for a transformer of claim 1, wherein: the limiting plate (104) is square, and the length of the limiting plate (104) is equal to the depth of the sliding groove (101).

5. The copper aluminum transition conductive strip for a transformer of claim 1, wherein: the groove (23) is U-shaped, the outer surface of the limiting plate (104) is connected inside the groove (23) in a sliding mode, and the outer surface of the limiting plate (104) is attached to the inner wall of the groove (23).

6. The copper aluminum transition conductive strip for a transformer of claim 1, wherein: the caliber of the first threaded hole (102) is the same as that of the second threaded hole (103), bolts are arranged in the first threaded hole (102) and the second threaded hole (103) in a threaded mode, and the bottoms of the bolts are abutted to the inner portion of the limiting round hole (22).