CN215989308U - Equipotential copper-aluminum transition equipment wire clamp - Google Patents
Equipotential copper-aluminum transition equipment wire clamp Download PDFInfo
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- CN215989308U CN215989308U CN202122454180.9U CN202122454180U CN215989308U CN 215989308 U CN215989308 U CN 215989308U CN 202122454180 U CN202122454180 U CN 202122454180U CN 215989308 U CN215989308 U CN 215989308U
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Abstract
The utility model discloses an equipotential copper-aluminum transition equipment wire clamp, which belongs to the technical field of power transmission and transformation engineering transformer substations and particularly relates to a copper-aluminum transition equipment wire clamp, which comprises a copper-aluminum transition equipment wire clamp, wherein the copper-aluminum transition equipment wire clamp comprises an aluminum alloy wire clamp body, a copper alloy wire clamp body and a copper-aluminum composite sheet, the copper alloy wire clamp body is in threaded connection with a bolt hole in the aluminum alloy wire clamp body through a stainless steel bolt, and the copper-aluminum composite sheet is positioned between the aluminum alloy wire clamp body and the copper alloy wire clamp body; the copper-aluminum composite sheet consists of a copper sheet and an aluminum sheet, and the copper sheet is connected with the aluminum sheet through explosive welding; the outer surface of the copper alloy wire clamp body is provided with the tin plating, so that the transition surface of the copper alloy wire clamp body is ensured to be fully contacted with the copper-aluminum composite sheet, and the corrosion resistance of the copper alloy wire clamp body is ensured.
Description
Technical Field
The utility model relates to the technical field of power transmission and transformation engineering transformer substations, in particular to an equipotential copper-aluminum transition equipment wire clamp.
Background
In a power transmission and transformation project transformer substation of an electric power system, transition is realized by a copper-aluminum equipment wire clamp when an aluminum wire and a copper wire are connected frequently, and the transition is realized by a specially-made copper-aluminum transition equipment wire clamp because the electrochemical corrosion phenomenon can be generated due to different electric potentials when copper and aluminum are contacted.
The copper-aluminum transition equipment wire clamp widely used at present basically adopts a structure that a thin copper plate is brazed at a copper wire clamp groove part of an aluminum wire clamp, and because a wire clamping surface is an arc surface, the requirement on the processing consistency of the arc surface of the thin copper plate and the arc surface of an aluminum wire clamp is very high, the requirement is not guaranteed in actual production, and the phenomena of overlarge contact resistance, local overheating and energy waste caused by insufficient contact of a brazing contact surface often occur.
Therefore, an equipotential copper-aluminum transition equipment wire clamp is provided.
SUMMERY OF THE UTILITY MODEL
The utility model is provided in view of the above and/or problems existing in the existing equipotential copper-aluminum transition equipment wire clamp.
Therefore, the utility model aims to provide an equipotential copper-aluminum transition equipment wire clamp which can solve the existing problems.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
an equipotential copper-aluminum transition equipment wire clamp comprises a copper-aluminum transition equipment wire clamp, wherein the copper-aluminum transition equipment wire clamp comprises an aluminum alloy wire clamp body, a copper alloy wire clamp body and a copper-aluminum composite sheet;
the copper-aluminum composite sheet consists of a copper sheet and an aluminum sheet, and the copper sheet is connected with the aluminum sheet through explosive welding;
the outer surface of the copper alloy wire clamp body is provided with tin plating.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the copper alloy wire clamp body is connected with the copper alloy wire clamp cover plate through the first connecting structure.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the first connecting structure comprises a first hexagon bolt and a hexagon nut, and the first hexagon bolt is connected to the hexagon nut through the copper alloy wire clamp cover plate and the copper alloy wire clamp body in a threaded mode in sequence.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the first hexagon bolt is contacted with the copper alloy wire clamp cover plate through the attaching component, and the hexagon nut is contacted with the copper alloy wire clamp body through the attaching component.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the laminating subassembly includes first bullet packing ring and first flat packing ring, first bullet packing ring with first flat packing ring sliding connection respectively is on first hex bolts, and first bullet packing ring contacts with first flat packing ring.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the left side the first flat packing ring with hexagon nut contacts, the left side the first spring packing ring contacts with copper alloy fastener body, the right side the right-hand member of first hexagon bolt contacts with first flat packing ring, the right side the first spring packing ring with copper alloy wire presss from both sides apron and contacts.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the aluminum alloy wire clamp comprises an aluminum alloy wire clamp body and is characterized in that the right end of the top of the aluminum alloy wire clamp body is rotatably connected with an aluminum alloy wire clamp cover plate, and the left end of the top of the aluminum alloy wire clamp body is connected with the aluminum alloy wire clamp cover plate through a second connecting structure.
As a preferred scheme of the equipotential copper-aluminum transition equipment wire clamp, the utility model comprises the following steps: the second connecting structure comprises a second hexagon bolt, a second flat washer and a second elastic washer, the second hexagon bolt penetrates through the aluminum alloy wire clamp cover plate to be connected onto the aluminum alloy wire clamp body in a threaded mode, the second hexagon bolt is connected with the second flat washer and the second elastic washer in a sliding mode, the second flat washer is in contact with the second elastic washer, the second flat washer is in contact with the top end of the second hexagon bolt, and the second elastic washer is in contact with the aluminum alloy wire clamp cover plate.
Compared with the prior art:
1. the copper-aluminum composite sheet is made by explosion welding, a copper-aluminum composite layer is formed on the contact surface of the aluminum alloy wire clamp body and the copper alloy wire clamp body, the mechanical property and the electric conductivity of the copper-aluminum composite sheet are greatly higher than those of a flash welding and brazing transition layer, the heating phenomenon caused by poor contact and overlarge resistance is reduced, and the energy is saved;
2. the aluminum alloy wire clamp body, the copper alloy wire clamp body and the aluminum composite sheet are connected by stainless steel bolts, wherein bolts are replaced by bolt holes in the aluminum alloy wire clamp body, so that materials are saved;
3. the outer surface of the copper alloy wire clamp body is provided with the tin plating, so that the transition surface of the copper alloy wire clamp body is ensured to be fully contacted with the copper-aluminum composite sheet, and the corrosion resistance of the copper alloy wire clamp body is ensured;
4. the copper-aluminum transition equipment wire clamp does not contain steel materials, hysteresis eddy current loss of the steel materials is avoided, and energy is saved.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the structure of the present invention;
fig. 4 is a schematic structural view of the copper-aluminum composite sheet of the utility model.
In the figure: the aluminum alloy wire clamp comprises an aluminum alloy wire clamp body 1, an aluminum alloy wire clamp cover plate 2, a copper alloy wire clamp body 3, a copper alloy wire clamp cover plate 4, a copper-aluminum composite sheet 5, a copper sheet 51, an aluminum sheet 52, a first hexagon bolt 6, a hexagon nut 7, a first elastic washer 8, a first flat washer 9, a second hexagon bolt 10, a second flat washer 11 and a second elastic washer 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides an equipotential copper-aluminum transition equipment wire clamp, please refer to fig. 1-4, which comprises a copper-aluminum transition equipment wire clamp, wherein the copper-aluminum transition equipment wire clamp comprises an aluminum alloy wire clamp body 1, a copper alloy wire clamp body 3 and a copper-aluminum composite sheet 5, the copper alloy wire clamp body 3 is connected to a bolt hole in the aluminum alloy wire clamp body 1 through a stainless steel bolt thread, and the copper-aluminum composite sheet 5 is positioned between the aluminum alloy wire clamp body 1 and the copper alloy wire clamp body 3;
the copper-aluminum composite sheet 5 consists of a copper sheet 51 and an aluminum sheet 52, and the copper sheet 51 is connected with the aluminum sheet 52 through explosive welding;
the outer surface of the copper alloy wire clamp body 3 is provided with tin plating, and specifically, the copper-aluminum transition equipment wire clamp does not contain steel materials, so that hysteresis eddy current loss of the steel materials is avoided, and energy is saved;
the transition surfaces of the aluminum alloy wire clamp body 1 and the copper alloy wire clamp body 3 and the copper-aluminum composite sheet 5 are square in shape and consistent in size, and the wire clamping directions of the aluminum alloy wire clamp body 1 and the copper alloy wire clamp body 3 are determined according to the connection angle of a lead;
the explosion welding is a processing technology for fusing two dissimilar metal plates together by using the energy of explosive explosion, has two forms of spot welding and line welding, is also called explosion pressure welding, and is mainly used for welding a reaction tank and a storage tank composite plate with small change of internal pressure and temperature.
Further, the copper alloy wire clamp body 3 is connected with the copper alloy wire clamp cover plate 4 through a first connecting structure.
Further, first connection structure includes first hexagon bolt 6 and hexagon nut 7, first hexagon bolt 6 is in proper order through copper alloy fastener apron 4 and 3 threaded connection on hexagon nut 7 of copper alloy fastener body.
Further, first hex bolts 6 contacts with copper alloy fastener apron 4 through the laminating subassembly, hex nut 7 contacts with copper alloy fastener body 3 through the laminating subassembly.
Further, the fitting assembly comprises a first elastic washer 8 and a first flat washer 9, the first elastic washer 8 and the first flat washer 9 are respectively connected to the first hexagon bolt 6 in a sliding mode, and the first elastic washer 8 is in contact with the first flat washer 9.
Further, the first flat washer 9 on the left side is in contact with the hexagon nut 7, the first elastic washer 8 on the left side is in contact with the copper alloy wire clamp body 3, the first flat washer 9 on the right side is in contact with the right end of the first hexagon bolt 6, and the first elastic washer 8 on the right side is in contact with the copper alloy wire clamp cover plate 4.
Further, the right end of the top of the aluminum alloy wire clamp body 1 is rotatably connected with an aluminum alloy wire clamp cover plate 2, and the left end of the top of the aluminum alloy wire clamp body 1 is connected with the aluminum alloy wire clamp cover plate 2 through a second connecting structure.
Further, the second connecting structure comprises a second hexagon bolt 10, a second flat washer 11 and a second elastic washer 12, the second hexagon bolt 10 penetrates through the aluminum alloy wire clamp cover plate 2 to be connected to the aluminum alloy wire clamp body 1 in a threaded mode, the second hexagon bolt 10 is connected with the second flat washer 11 and the second elastic washer 12 in a sliding mode, the second flat washer 11 is in contact with the second elastic washer 12, the second flat washer 11 is in contact with the top end of the second hexagon bolt 10, and the second elastic washer 12 is in contact with the aluminum alloy wire clamp cover plate 2.
When the copper-aluminum transition equipment wire clamp is used specifically, a person skilled in the art puts aluminum and copper wires into the aluminum alloy wire clamp body 1 and the copper alloy wire clamp body 3 respectively, fixes the aluminum wires between the aluminum alloy wire clamp body 1 and the aluminum alloy wire clamp cover plate 2 through the second connecting structure after the aluminum wires are put into the aluminum alloy wire clamp body 1 and the copper alloy wire clamp cover plate 3, and fixes the copper wires on the copper alloy wire clamp body 3 and the copper alloy wire clamp cover plate 4 through the first connecting structure after the aluminum wires are put into the aluminum alloy wire clamp body and the copper alloy wire clamp body 3.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. An equipotential copper aluminium transition equipment fastener, includes copper aluminium transition equipment fastener, its characterized in that: the copper-aluminum transition equipment wire clamp comprises an aluminum alloy wire clamp body (1), a copper alloy wire clamp body (3) and a copper-aluminum composite sheet (5), wherein the copper alloy wire clamp body (3) is in threaded connection with a bolt hole in the aluminum alloy wire clamp body (1) through a stainless steel bolt, and the copper-aluminum composite sheet (5) is located between the aluminum alloy wire clamp body (1) and the copper alloy wire clamp body (3);
the copper-aluminum composite sheet (5) consists of a copper sheet (51) and an aluminum sheet (52), and the copper sheet (51) is connected with the aluminum sheet (52) through explosive welding;
the outer surface of the copper alloy wire clamp body (3) is provided with tin plating.
2. The equipotential copper-aluminum transition equipment clamp according to claim 1, characterized in that the copper alloy clamp body (3) is connected to the copper alloy clamp cover plate (4) by a first connecting structure.
3. The equipotential copper-aluminum transition equipment clamp according to claim 2, wherein the first connecting structure comprises a first hexagon bolt (6) and a hexagon nut (7), and the first hexagon bolt (6) is connected to the hexagon nut (7) through the copper alloy clamp cover plate (4) and the copper alloy clamp body (3) in sequence.
4. The equipotential copper-aluminum transition equipment clamp according to claim 3, characterized in that the first hexagon bolt (6) contacts with the copper alloy clamp cover plate (4) through a joint component, and the hexagon nut (7) contacts with the copper alloy clamp body (3) through a joint component.
5. The equipotential copper-aluminum transition equipment clamp according to claim 4, characterized in that said joint assembly includes a first elastic washer (8) and a first flat washer (9), said first elastic washer (8) and said first flat washer (9) are slidably connected to the first hexagon bolt (6), respectively, and the first elastic washer (8) is in contact with the first flat washer (9).
6. The equipotential copper-aluminum transition equipment clamp according to claim 5, characterized in that the first flat washer (9) on the left side contacts with the hexagon nut (7), the first spring washer (8) on the left side contacts with the copper alloy clamp body (3), the first flat washer (9) on the right side contacts with the right end of the first hexagon bolt (6), and the first spring washer (8) on the right side contacts with the copper alloy clamp cover plate (4).
7. The equipotential copper-aluminum transition equipment clamp according to claim 1, wherein the top right end of the aluminum alloy clamp body (1) is rotatably connected to the aluminum alloy clamp cover plate (2), and the top left end of the aluminum alloy clamp body (1) is connected to the aluminum alloy clamp cover plate (2) through the second connecting structure.
8. The equipotential copper-aluminum transition equipment clamp according to claim 7, wherein the second connecting structure comprises a second hexagon bolt (10), a second flat washer (11) and a second elastic washer (12), the second hexagon bolt (10) penetrates through the aluminum alloy clamp cover plate (2) and is screwed on the aluminum alloy clamp body (1), the second hexagon bolt (10) is connected with the second flat washer (11) and the second elastic washer (12) in a sliding manner, the second flat washer (11) is in contact with the second elastic washer (12), the second flat washer (11) is in contact with the top end of the second hexagon bolt (10), and the second elastic washer (12) is in contact with the aluminum alloy clamp cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122454180.9U CN215989308U (en) | 2021-10-12 | 2021-10-12 | Equipotential copper-aluminum transition equipment wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122454180.9U CN215989308U (en) | 2021-10-12 | 2021-10-12 | Equipotential copper-aluminum transition equipment wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989308U true CN215989308U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122454180.9U Active CN215989308U (en) | 2021-10-12 | 2021-10-12 | Equipotential copper-aluminum transition equipment wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215989308U (en) |
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2021
- 2021-10-12 CN CN202122454180.9U patent/CN215989308U/en active Active
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