CN214796965U - Lightning arrester wire clamp - Google Patents
Lightning arrester wire clamp Download PDFInfo
- Publication number
- CN214796965U CN214796965U CN202120020774.6U CN202120020774U CN214796965U CN 214796965 U CN214796965 U CN 214796965U CN 202120020774 U CN202120020774 U CN 202120020774U CN 214796965 U CN214796965 U CN 214796965U
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- wire
- clamping plate
- fastener
- clamp
- lightning arrester
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Abstract
The utility model discloses a lightning arrester wire clamp, which comprises a first clamping plate and a second clamping plate, wherein a first wire groove is arranged in the middle of the first clamping plate, through holes are arranged on both sides of the first clamping plate, a second wire groove is arranged in the middle of the second clamping plate, through holes are arranged on both sides of the second clamping plate, and the first clamping plate and the second clamping plate are fixedly connected through a first fastener; and a third wire groove is formed in the extending part of the second clamping plate, and a second fastener is fastened in the third wire groove. The utility model discloses small, simple structure, convenient operation can realize the fastening of fastener, make the arrester connecting wire tightly by the centre gripping in the wire casing of fastener, and splint adopt the zinc-aluminium alloy to make, and the transition is more mitigateed when making the electric current flow through the zinc-aluminium alloy fastener, and the fuel factor is more even, can be better keep its physical characteristic, difficult fracture.
Description
Technical Field
The utility model relates to an electric power lightning protection technical field especially relates to a lightning arrester fastener.
Background
The lightning arrester is used as one of important equipment in lightning protection of a power distribution network, is widely used and is applied to various equipment lines. The quantity of arrester is great, when being connected the connecting wire of arrester with the wire, needs to use supporting fastener, and the general fastener that matches with the arrester on the market at present mainly uses C type fastener and parallel groove clamp.
Because the general wire connection is performed by adopting two sections of wires made of the same material and having the same wire diameter, the universal wire clamp adopts equal-diameter holes when in timing, and the problem of copper-aluminum transition cannot be considered. The universal wire clamp is generally only suitable for equal-diameter wire grooves and hard wires, and the wire diameter specification of the conventional wire is 10-70mm2、16-120mm2And 50-240mm2But the connecting line of more lightning arresters is 8-25mm2The multi-strand soft copper wire can not form firm connection because of undersize of wire diameter and undersize of wire core cross section when the lightning arrester connecting wire is arranged in the universal wire clamp wire slot, and the phenomenon of looseness easily occurs. Meanwhile, if the whole wire clamp is made of aluminum alloy, the problem of copper-aluminum transition can occur when a copper wire is connected with an aluminum wire; if one half of the wire clamp body is made of aluminum alloy and the other half of the wire clamp body is made of copper alloy, the wire clamp cannot be used when the aluminum wire is connected with the aluminum wire; if the copper-plated layer is arranged on the wire groove on one side of the aluminum alloy material, the copper-plated layer can not be used when the aluminum wire is connected with the aluminum wire, the process difficulty and cost of construction can be increased, and the problems of environmental pollution and the like can be caused. In addition, the universal wire clamp needs to be considered to bear the dead weight and the tensile force of the wire, and therefore the size is large.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve provides an arrester fastener, and small, simple structure, convenient operation can realize the fastening of fastener, make the arrester connecting wire tightly by the centre gripping in the wire casing of fastener.
In order to achieve the above object, an embodiment of the present invention provides an arrester clamp, including a first clamping plate and a second clamping plate, wherein a first wire slot is arranged in the middle of the first clamping plate, through holes are respectively formed in both sides of the first clamping plate, a second wire slot is arranged in the middle of the second clamping plate, through holes are respectively formed in both sides of the second clamping plate, and the first clamping plate and the second clamping plate are fixedly connected by a first fastener; and a third wire groove is formed in the extending part of the second clamping plate, and a second fastener is fastened in the third wire groove.
Furthermore, the lower part of the third wire casing is provided with an opening, and the second fastener is fastened on the third wire casing through the opening.
Further, the inner wall of the opening is provided with threads, and the second fastening piece is connected with the third wire groove through threads.
Further, the first fastener and the second fastener are both bolts provided with gaskets and nuts.
Furthermore, the first wire groove and the second wire groove are both arc-shaped, and the first wire groove and the second wire groove are matched with each other.
Furthermore, the diameters of the first wire groove and the second wire groove are both larger than the diameter of the third wire groove.
Furthermore, the first clamping plate and the second clamping plate are made of zinc-aluminum alloy.
Compared with the prior art, the utility model provides a pair of arrester fastener's beneficial effect lies in: small, simple structure, convenient operation, through set up the wire casing that is used for the centre gripping wire and the wire casing that is used for centre gripping arrester connecting wire respectively on splint, can realize the fastening of fastener, make the arrester connecting wire tightly by the centre gripping in the wire casing of fastener, and splint adopt the zinc-aluminum alloy to make, the transition is more relaxed when making the electric current flow through the zinc-aluminum alloy fastener, the heat effect is more even, can be better keep its physical characteristic, difficult fracture. Meanwhile, the zinc-aluminum alloy belongs to an environment-friendly material, and has the advantages of easiness in processing, good conductivity, high cost performance and the like.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a lightning arrester clip provided by the present invention;
fig. 2 is a front view of a first clamping plate in a preferred embodiment of a surge arrester clip provided by the present invention;
fig. 3 is a top view of a first clamping plate in a preferred embodiment of a surge arrester clip provided by the present invention;
fig. 4 is a front view of a second clamping plate in a preferred embodiment of a surge arrester clip provided by the present invention;
fig. 5 is a bottom view of a second clamping plate in a preferred embodiment of a lightning arrester clip provided by the present invention;
fig. 6 is a schematic view of the installation of the wire clip in a preferred embodiment of the arrester wire clip provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a preferred embodiment of an arrester clip, fig. 2 is a front view of a first clamping plate of a preferred embodiment of an arrester clip, and fig. 3 is a top view of a first clamping plate of a preferred embodiment of an arrester clip. The lightning arrester wire clamp comprises a first clamping plate 1 and a second clamping plate 2, wherein a first wire groove 3 is formed in the middle of the first clamping plate 1, through holes 4 are formed in two sides of the first clamping plate 1, a second wire groove 5 is formed in the middle of the second clamping plate 2, through holes 4 are formed in two sides of the second clamping plate 2, and the first clamping plate 1 and the second clamping plate 2 are fixedly connected through a first fastener 6; a third wire groove 8 is arranged on the extension part 7 of the second clamping plate 2, and a second fastener 9 is fastened in the third wire groove 8.
This embodiment can realize the fastening of fastener through set up the wire casing that is used for the centre gripping wire and the wire casing that is used for the centre gripping arrester connecting wire on the splint respectively, makes the arrester connecting wire tightly by the centre gripping in the wire casing of fastener.
Referring to fig. 4 and 5, fig. 4 is a front view of a second clamping plate in a preferred embodiment of an arrester clip provided by the present invention, and fig. 5 is a bottom view of the second clamping plate in a preferred embodiment of an arrester clip provided by the present invention.
In another preferred embodiment, the lower part of the third wire casing 8 is provided with an opening, and the second fastening member 9 is fastened to the third wire casing 8 through the opening.
This embodiment is through with the arrester connecting wire centre gripping at third wire casing, and tightly fixes the connecting wire in the wire casing through the second fastener, avoids appearing not hard up phenomenon.
Preferably, the inner wall of the opening is provided with threads, and the second fastening piece 9 is connected to the third wire groove 8 through threads.
This embodiment is through fixing the wire in first wire casing and second wire casing, is independent of the arrester connecting wire for the fixed of wire and the fixed of arrester connecting wire do not influence each other, the fixed of realization arrester connecting wire that can be better.
Preferably, the first fastening member 6 and the second fastening member 9 are both bolts provided with washers and nuts.
In yet another preferred embodiment, the first wire groove 3 and the second wire groove 5 are both arc-shaped, and the first wire groove 3 and the second wire groove 5 are matched with each other.
The embodiment provides a pair of arrester wire clamps, wherein first wire casing and second wire casing still are applicable to insulated wire and bare conductor, and need not to destroy the insulating layer when the insulated wire installation, have avoided the injury to insulated wire.
Preferably, the diameters of the first wire groove 3 and the second wire groove 5 are both larger than the diameter of the third wire groove 8.
The first wire groove and the second wire groove of the embodiment are suitable for 50-240mm2The hard wire is suitable for most of overhead line conductors of a distribution network with the voltage of 35kV or below, and the third wire slot is suitable for 6-25mm2The flexible wire and the hard wire with the wire diameter are suitable for connecting wires of lightning arresters of most 35kV or below.
Preferably, the first clamping plate 1 and the second clamping plate 2 are made of zinc-aluminum alloy.
The wire clamp of the embodiment is formed by casting the zinc-aluminum alloy, is integrally formed, reduces the reprocessing process and is low in cost. And the performance of the zinc-aluminum alloy is between that of copper and aluminum, the transition is more gradual when current flows through the zinc-aluminum alloy wire clamp, the heat effect is more uniform, the physical characteristics can be better kept, the fracture is not easy to occur, and the problem of copper-aluminum transition is directly solved from the material. Meanwhile, the zinc-aluminum alloy belongs to an environment-friendly material, and has the advantages of easiness in processing, good conductivity, high cost performance and the like. In addition, compared with the existing universal wire clamp, the volume of the wire clamp is reduced by more than 50%, and raw materials are effectively saved.
Referring to fig. 6, fig. 6 is a schematic view illustrating an installation of a wire clip in a preferred embodiment of a wire clip for an arrester.
The wire clamp of the lightning arrester provided by the embodiment is used for installing, the wire passes through the wire grooves of the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate are fastened together through the first fastener, the lightning arrester connecting wire passes through the third wire groove formed in the extension part of the second clamping plate, and the lightning arrester connecting wire is tightly fixed in the third wire groove through the second fastener, so that the phenomenon of looseness is avoided.
The embodiment of the utility model provides a beneficial effect of arrester fastener lies in: small, simple structure, convenient operation, through set up the wire casing that is used for the centre gripping wire and the wire casing that is used for centre gripping arrester connecting wire respectively on splint, can realize the fastening of fastener, make the arrester connecting wire tightly by the centre gripping in the wire casing of fastener, and splint adopt the zinc-aluminum alloy to make, the transition is more relaxed when making the electric current flow through the zinc-aluminum alloy fastener, the heat effect is more even, can be better keep its physical characteristic, difficult fracture. Meanwhile, the zinc-aluminum alloy belongs to an environment-friendly material, and has the advantages of easiness in processing, good conductivity, high cost performance and the like.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (7)
1. A lightning arrester wire clamp is characterized by comprising a first clamp plate and a second clamp plate, wherein a first wire groove is formed in the middle of the first clamp plate, through holes are formed in two sides of the first clamp plate, a second wire groove is formed in the middle of the second clamp plate, through holes are formed in two sides of the second clamp plate, and the first clamp plate and the second clamp plate are fixedly connected through a first fastener; and a third wire groove is formed in the extending part of the second clamping plate, and a second fastener is fastened in the third wire groove.
2. A lightning arrester clamp as claimed in claim 1, wherein the third raceway is provided with an opening in a lower portion thereof, and the second fastener is secured to the third raceway through the opening.
3. A lightning arrester clamp as claimed in claim 2, wherein the inner wall of the opening is threaded and the second fastening member is threadedly attached to the third wire casing.
4. A lightning arrester clamp as claimed in claim 1, wherein the first and second fasteners are bolts provided with washers and nuts.
5. A lightning arrester clamp as claimed in claim 1, wherein the first and second wire raceways are each arcuate and the first and second wire raceways are complementary to each other.
6. A lightning arrester clamp as claimed in claim 1, wherein the first and second wire grooves each have a diameter greater than the diameter of the third wire groove.
7. A lightning arrester clamp as claimed in any one of claims 1 to 6, wherein the first clamping plate and the second clamping plate are made of zinc-aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020774.6U CN214796965U (en) | 2021-01-05 | 2021-01-05 | Lightning arrester wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120020774.6U CN214796965U (en) | 2021-01-05 | 2021-01-05 | Lightning arrester wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796965U true CN214796965U (en) | 2021-11-19 |
Family
ID=78742288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120020774.6U Active CN214796965U (en) | 2021-01-05 | 2021-01-05 | Lightning arrester wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214796965U (en) |
-
2021
- 2021-01-05 CN CN202120020774.6U patent/CN214796965U/en active Active
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