CN221304375U - Arrester and high-voltage cable integrated connection structure and connector - Google Patents
Arrester and high-voltage cable integrated connection structure and connector Download PDFInfo
- Publication number
- CN221304375U CN221304375U CN202322880643.7U CN202322880643U CN221304375U CN 221304375 U CN221304375 U CN 221304375U CN 202322880643 U CN202322880643 U CN 202322880643U CN 221304375 U CN221304375 U CN 221304375U
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- Prior art keywords
- connector
- voltage cable
- axial
- hole
- lightning arrester
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Links
- 230000010354 integration Effects 0.000 claims 1
- 230000001012 protector Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
An integrated connection structure and connector of a lightning arrester and a high-voltage cable comprises the lightning arrester, the high-voltage cable, a cable cap and a connector for connecting the high-voltage cable and the lightning arrester; the axial through hole matched with the inner wire core of the high-voltage cable is formed in the axis of the connector, the wire core at one end of the high-voltage cable penetrates into the axial through hole and is buckled in the axial through hole, the inner diameter of the axial through hole is matched with the outer diameter of the inner wire core of the high-voltage cable, the outer diameter of the connector is not larger than the wire diameter of the high-voltage cable, and a convex external thread is machined on the outer wall of one end of the connector; the center of the end parts of the lightning arrester and the upper electrode are provided with an axial counter bore which is in fit connection with the connector, and the inside of the counter bore is provided with an internal thread which is in fit connection with an external thread on the outer wall of one end of the connector; the center of the cable cap is provided with a stepped axial stepped hole, a small step part at one end of the axial stepped hole is tightly matched with the high-voltage cable, and a large hole part at the other end of the axial stepped hole is matched with the outer diameter of the lightning arrester. The two are firmly connected, and the tensile load is high and the sealing performance is good.
Description
Technical Field
The utility model belongs to outdoor lightning protection equipment, and relates to an integrated connection structure of a lightning arrester and a high-voltage cable and a connector.
Background
Compared with the porcelain sleeve type zinc oxide arrester, the composite sleeve type zinc oxide arrester has the unique advantages of eliminating hidden danger of damp of the arrester to a great extent, fundamentally eliminating the danger of explosion of the skirt sleeve of the arrester, and has a series of advantages of small volume, light weight, good explosion resistance and sealing performance, large climbing distance, pollution resistance, simple manufacturing process, compact structure and the like, and becomes a viable development direction of the arrester manufacturing industry.
Traditional arrester installation is dismantled comparatively complicated, and the arrester passes through the support mounting to the circuit cross arm on, and cable conductor one end is fixed at the arrester high-voltage end, and the other end is fixed on the wire with the fastener, and this kind of mounting means is more complicated to arrester high-voltage end and cable conductor junction part expose and easily deposit dirty in the air, rust, connect insecure, contact is difficult to generate heat, can lead to the arrester trouble, adopts at present to install the guard shield at the high-voltage end and solves dirty and rust problem, but tensile load test can not reach standard requirement.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, thereby providing an integrated connecting structure and a connector of a lightning arrester and a high-voltage cable, which are firmly connected, have large tensile load and good sealing performance.
The technical scheme for realizing the aim of the utility model is as follows: an integrated connection structure of a lightning arrester and a high-voltage cable comprises the lightning arrester, the high-voltage cable, a cable cap and a connector for connecting the high-voltage cable and the lightning arrester;
The axial through hole matched with the inner wire core of the high-voltage cable is formed in the axis of the connector, the wire core at one end of the high-voltage cable penetrates into the axial through hole and then is buckled in the axial through hole, the inner diameter of the axial through hole is matched with the outer diameter of the inner wire core of the high-voltage cable, the outer diameter of the connector is not larger than the wire diameter of the high-voltage cable, and a convex external thread is machined on the outer wall of one end of the connector;
The center of the end parts of the lightning arrester and the upper electrode is provided with an axial counter bore which is in fit connection with the connector, and the inside of the counter bore is provided with an internal thread which is in fit connection with an external thread on the outer wall of one end of the connector;
The center of the cable cap is provided with a stepped axial stepped hole, a small step part at one end of the axial stepped hole is tightly matched with the high-voltage cable, and a large hole part at the other end of the axial stepped hole is tightly matched with the outer diameter of the lightning arrester.
The axial counter bore depth of the center of the end part of the lightning arrester and the upper electrode is not smaller than the length of the external thread on the outer wall of one end of the connector.
The horn-shaped structure is gradually increased between the small hole part and the large hole part of the axial stepped hole.
The inner diameter of the axial through hole at the axis of the connector is in clearance fit with the outer diameter of the inner wire core of the high-voltage cable.
Including the connector body, connector body center has be used for with the inside sinle silk complex axial through-hole of high tension cable, the internal diameter of axial through-hole cooperates with the inside sinle silk external diameter of high tension cable, the connector external diameter is not greater than the line footpath of high tension cable, processing has on the connector one end outer wall with arrester and upper electrode tip axial counter bore complex external screw thread, external screw thread protrusion in connector body outer wall.
The lightning arrester is integrally connected with the high-voltage cable, so that the lightning arrester and the high-voltage cable are firmly connected, and the lightning arrester is high in tensile load and good in sealing performance. And can effectively solve the problems of rust, heat generation, unstable tensile load and the like.
The connector provided by the utility model has the advantages that one end of the connector is buckled and pressed, so that the wire core is reliably connected with the connector, and the tensile load meets the standard requirement. The other end of the connector is connected with the upper electrode of the core body through threads. The cable cap is used for bonding and sealing the connecting part of the cable and the core body from the influence of external environment.
The connector has a simple structure, is convenient to produce, saves production cost and improves production efficiency.
Drawings
Fig. 1 is a schematic diagram of the structural connection of the cable-integrated arrester of the present utility model;
FIG. 2 is a schematic view of the structure of the connector body of the present utility model;
In the figure: 1. high-voltage cable, 2, cable cap, 3, wire core, 4, connector, 5, arrester, 6, an upper electrode, 4-1, a connector body, 4-2 and external threads.
Detailed Description
In fig. 1 and 2, the connector 4 is a cylinder, an axial through hole is formed in the axis of the connector 4, the inner diameter of the axial through hole in the axis of the connector 4 is in clearance fit with the outer diameter of the wire core 3 of the high-voltage cable 1, the outer diameter of the connector 4 is not larger than the wire diameter of the high-voltage cable 1, the insulating layer of the high-voltage cable 1 is stripped, the wire core 3 leaks out, the wire core 3 and the high-voltage cable 1 penetrate into the cable cap 2 first and then into the axial through hole of the connector 4, the wire core 3 is buckled in the axial through hole at one end of the connector through a buckling machine after the wire core is in place, the crimping is firm, the cable and the connector are in good contact, the problems that heating and tensile load are not up to standard are solved, and the failure rate of a lightning arrester is reduced. The outer wall of one end of the connector 4 is provided with a convex external thread 4-2, the center of the end part of the lightning arrester 5 and the upper electrode 6 is provided with an axial counter bore which is used for being matched and connected with the connector 4, the inside of the axial counter bore is provided with an internal thread which is matched and connected with the external thread 4-2 on the outer wall of one end of the connector 4, and the end part of the lightning arrester 5 and the upper electrode 6 are connected with the external thread 4-2. The center of the cable cap 2 is provided with a stepped axial stepped hole, a small step part at one end of the axial stepped hole is tightly matched with the high-voltage cable 1, a large hole part at the other end of the axial stepped hole is matched with the outer diameter of the lightning arrester 5, and a horn-shaped structure which is gradually increased is arranged between the small hole part and the large hole part of the axial stepped hole. The axial counter bore depth of the lightning arrester 5 and the center of the end part of the upper electrode 3 is not smaller than the length of the external thread 4-2 on the outer wall of one end of the connector 4. The inner wall surface of the large hole part at one end of the cable cap 2 is uniformly coated with sealant, the cable cap 2 is covered on the high-voltage end of the lightning arrester body 5, and the high-voltage end is clockwise and anticlockwise rotated, so that the internal air is fully discharged, the sealant is uniformly distributed at the interface, the high-voltage end of the lightning arrester and a cable connecting wire form a whole after the sealant is solidified, and therefore the connecting part of the cable and the lightning arrester cannot be influenced by external environment, the stability of the lightning arrester is improved, and the mounting efficiency of the lightning arrester is improved.
Claims (5)
1. An arrester and high tension cable integration connection structure, its characterized in that: the high-voltage cable protector comprises a lightning arrester (5), a high-voltage cable (1), a cable cap (2) and a connector (4) for connecting the high-voltage cable (1) and the lightning arrester (5);
The axial through hole matched with the inner wire core of the high-voltage cable (1) is formed in the axis of the connector (4), the inner diameter of the axial through hole is matched with the outer diameter of the inner wire core of the high-voltage cable (1), the wire core at one end of the high-voltage cable (1) penetrates into the axial through hole and then is buckled in the axial through hole, the outer diameter of the connector (4) is not larger than the wire diameter of the high-voltage cable (1), and a convex external thread (4-2) is machined on the outer wall at one end of the connector (4);
the center of the end parts of the lightning arrester (5) and the upper electrode (3) is provided with an axial counter bore which is in fit connection with the connector (4), and the inside of the counter bore is provided with an internal thread which is in fit connection with an external thread (4-2) on the outer wall of one end of the connector (4);
The center of the cable cap (2) is provided with a stepped axial stepped hole, a small step part at one end of the axial stepped hole is matched with the high-voltage cable (1), and a large hole part at the other end of the axial stepped hole is matched with the outer diameter of the lightning arrester (5).
2. The lightning arrester and high-voltage cable integrated connection structure according to claim 1, wherein: the axial counter bore depth of the centers of the lightning arrester (5) and the end part of the upper electrode (3) is not smaller than the length of the external thread (4-2) on the outer wall of one end of the connector (4).
3. The lightning arrester and high-voltage cable integrated connection structure according to claim 1, wherein: the horn-shaped structure is gradually increased between the small hole part and the large hole part of the axial stepped hole in the center of the cable cap (2).
4. The lightning arrester and high-voltage cable integrated connection structure according to claim 1, wherein: the inner diameter of the axial through hole at the axis of the connector (4) is in clearance fit with the outer diameter of the inner wire core of the high-voltage cable (1).
5. A connector for connecting arrester and high tension cable, its characterized in that: the high-voltage cable connector comprises a connector body (4-1), wherein an axial through hole matched with an inner wire core of the high-voltage cable (1) is formed in the center of the connector body (4-1), the inner diameter of the axial through hole is matched with the outer diameter of the inner wire core of the high-voltage cable (1), the outer diameter of the connector (4) is not larger than the wire diameter of the high-voltage cable (1), an external thread (4-2) matched with an axial counter bore of the end part of a lightning arrester (5) and an end part of an upper electrode (3) is machined on the outer wall of one end of the connector (4), and the external thread (4-2) protrudes out of the outer wall of the connector body (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322880643.7U CN221304375U (en) | 2023-10-26 | 2023-10-26 | Arrester and high-voltage cable integrated connection structure and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322880643.7U CN221304375U (en) | 2023-10-26 | 2023-10-26 | Arrester and high-voltage cable integrated connection structure and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221304375U true CN221304375U (en) | 2024-07-09 |
Family
ID=91745735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322880643.7U Active CN221304375U (en) | 2023-10-26 | 2023-10-26 | Arrester and high-voltage cable integrated connection structure and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221304375U (en) |
-
2023
- 2023-10-26 CN CN202322880643.7U patent/CN221304375U/en active Active
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