CN210404075U - Economic and practical 35KV line lightning arrester for mountain land - Google Patents
Economic and practical 35KV line lightning arrester for mountain land Download PDFInfo
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- CN210404075U CN210404075U CN201921299435.5U CN201921299435U CN210404075U CN 210404075 U CN210404075 U CN 210404075U CN 201921299435 U CN201921299435 U CN 201921299435U CN 210404075 U CN210404075 U CN 210404075U
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Abstract
The utility model relates to an economical and practical 35KV line lightning arrester in mountainous regions, belonging to lightning protection facilities for high-voltage lines; the lightning protection equipment for the high-voltage line is used for mountain land installation and is economical and practical; the technical scheme is as follows: mountain region economical and practical 35KV line lightning arrester includes: the lightning receiving device comprises a grounding device, a grounding wire and a lightning receiving device; the grounding device is arranged in underground soil, the lightning receiving device is fixed above the electric tower, and the grounding device is connected with the lightning receiving device through a grounding wire; the grounding device includes: a grounding grid and a grounding anchor; the grounding net is the metal conductor, the vertical ground connection fixer that is fixed with on the grounding net, the earth connection includes conductor wire and fixed borer, the thunder and lightning receiving device is the arrester, the utility model discloses but wide application in dry ground resistance higher regions such as northwest mountain region.
Description
Technical Field
The utility model discloses mountain region economical and practical type 35KV line lightning arrester belongs to lightning-arrest facility for the high-voltage line.
Background
For the terrain in the northwest mountain areas, the towers are mostly located in sandstone or dry loess layer zones, the grounding resistance of the down-lead wires of the towers is high, the tripping accidents of the lines in thunderstorm seasons are very frequent, and the safety of a power grid is greatly threatened.
At present, there are some lightning grounding nets for high down conductor grounding resistance. However, the existing lightning protection grounding grid has large volume and more materials, and is not beneficial to transportation in mountainous areas; on the other hand, the installation is deeper, and the operation is not suitable for mountainous areas.
Through research, the main effect of the lightning-protection grounding grid is to increase the contact area with the ground soil layer, reduce the grounding resistance and facilitate the rapid discharge in the soil layer.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high tension line lightning protection equipment for mountain region installation has economical and practical.
In order to achieve the technical purpose, the utility model provides a technical scheme does:
mountain region economical and practical 35KV line lightning arrester includes: the lightning receiving device comprises a grounding device, a grounding wire and a lightning receiving device; the grounding device is arranged in underground soil, the lightning receiving device is fixed above the electric tower, and the grounding device is connected with the lightning receiving device through a grounding wire;
the grounding device includes: a grounding grid and a grounding anchor; the grounding net is a metal conductor, a grounding fixer is vertically fixed on the grounding net and comprises a fixing sleeve and a fixing bolt, the fixing sleeve is provided with external threads, an inner hole is vertically formed in the upper portion of the fixing sleeve, a plurality of strip-shaped grooves are vertically formed in the hole wall of the inner hole, the hole wall of the inner hole is divided into strip-shaped arc-shaped hole walls by the strip-shaped grooves, and protrusions are vertically arranged on the inner walls of the strip-shaped arc-shaped hole walls;
the grounding fixer is of a tubular structure with two open ends, the inner diameter of one end of the grounding fixer is smaller than that of the other end of the grounding fixer, a conical cavity is arranged inside the grounding fixer, the grounding fixer is provided with internal threads, the internal threads of the grounding fixer are matched with the external threads of the fixing sleeve, and the grounding fixer can be screwed on the fixing sleeve.
The lightning receiving device is a lightning receptor.
The grounding wire comprises a conductive wire and a fixing drill rod; the lightning conductor comprises a fixing sleeve, a fixing pin and a conductor wire, wherein the fixing sleeve is provided with a plurality of protrusions, the fixing sleeve is provided with an inner hole, the outer wall of the fixing pin is provided with a plurality of clamping grooves, the clamping grooves are matched with the protrusions, the fixing pin can be inserted into the inner hole of the fixing sleeve, one end of the conductor wire is connected with the fixing pin, and the other end of the conductor.
The grounding net is a circular metal rod, and the center of the grounding net is fixedly connected with the lower end of the fixed sleeve through a supporting rod.
A plurality of discharge rods are fixed on the outer side of the circular structure of the grounding grid, and the plurality of discharge rods are provided with protruding particles.
The discharge rods are uniformly distributed on the outer side of the grounding grid, and the discharge rods are overlapped with the diameter extension line of the circular structure of the grounding grid.
And the surfaces of the grounding net, the fixing sleeve, the fixing bolt, the fixing drill, the discharging rod and the protruding particles are galvanized.
Compared with the prior art, the utility model beneficial effect who has is: the utility model adopts the grounding grid with the discharge rods and the raised particles, on one hand, the contact area between the soil layer and the grounding grid is increased, and the grounding resistance is reduced; on the other hand, electrons are easy to gather at the sharp metal tip, and the voltage at the end of the protruding particles of the discharge rod is relatively high, so that the discharge is easy.
The utility model discloses a ground connection fixer does benefit to the installation of fixed borer, guarantees simultaneously that fixed borer is inseparable with fixed muffjoint, prevents the space, is unfavorable for electrically conducting.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the grounding device of the present invention.
Fig. 3 is a top view of the grounding device of the present invention.
Fig. 4 is a schematic view of the structure of the fixing sleeve of the present invention.
Fig. 5 is a sectional view of the ground fixer of the present invention.
In the figure: the lightning arrester comprises a grounding device 1, a grounding wire 2, a lightning receiving device 3, a grounding net 11, a grounding fixer 12, a discharge rod 13, a protruding particle 14, a fixing sleeve 15, a fixing bolt 16, a conducting wire 31 and a fixing drill 32.
Detailed Description
As shown in fig. 1 to 5, the utility model discloses mountain economic and practical 35KV line lightning arrester, include: a grounding device 1, a grounding wire 2 and a lightning receiving device 3; the grounding device 1 is arranged in underground soil, the lightning receiving device 3 is fixed above the electric tower, and the grounding device 1 is connected with the lightning receiving device 3 through a grounding wire 2;
the grounding device 1 comprises: a ground net 11 and a ground holder 12; the grounding grid 11 is a metal conductor, a grounding fixer 12 is vertically fixed on the grounding grid 11, the grounding fixer 12 comprises a fixing sleeve 15 and a fixing bolt 16, the fixing sleeve 15 is provided with external threads, an inner hole is vertically formed in the upper portion of the fixing sleeve 15, a plurality of strip-shaped grooves are vertically formed in the hole wall of the inner hole, the hole wall of the inner hole is divided into strip-shaped arc-shaped hole walls by the strip-shaped grooves, and protrusions are vertically arranged on the inner walls of the strip-shaped arc-shaped hole walls;
the ground fixer 12 is a tubular structure with two open ends, the inner diameter of one end of the ground fixer 12 is smaller than that of the other end of the ground fixer, a conical cavity is arranged inside the ground fixer 12, the ground fixer 12 is provided with internal threads, the internal threads of the ground fixer 12 are matched with the external threads of the fixing sleeve 15, and the ground fixer 12 can be screwed on the fixing sleeve 15.
The lightning receptor 3 is a lightning receptor.
The grounding wire 2 comprises a conductive wire 31 and a fixing brazing rod 32; the outer wall of the fixing drill 32 is provided with a plurality of slots 33, the slots 33 are matched with the protrusions, the fixing drill 32 can be inserted into the inner hole of the fixing sleeve 15, one end of the conductive wire 31 is connected with the fixing drill 32, and the other end of the conductive wire 31 is connected with the lightning receiving device 3.
The grounding grid 11 is a circular metal rod, and the center of the grounding grid 11 is fixedly connected with the lower end of the fixing sleeve 15 through a supporting rod.
A plurality of discharge rods 13 are fixed on the outer side of the circular structure of the grounding grid 11, and the plurality of discharge rods 13 are provided with protruding particles 14.
The plurality of discharge rods 13 are uniformly distributed on the outer side of the grounding grid 11, and the plurality of discharge rods 13 are overlapped with the circular structure diameter extension line of the grounding grid 11.
The grounding grid 11, the fixing sleeve 15, the fixing bolt 16, the fixing drill 32, the discharging rod 13 and the raised particles 14 are galvanized on the surfaces.
The utility model discloses specific using-way:
when the utility model discloses when installing on the shaft tower that fifteen meters are high, grounding grid 11 adopts ⌀ 12 mm's galvanized round steel preparation, just discharge electrode 13 and branch are this specification.
The fixing drill 32 is ⌀ 12mm galvanized round steel iron drill.
The outer diameter of the fixed sleeve 15 is not less than ⌀ 24 mm.
The grounding grid 11 is located below 0.8 meter underground.
After the conductive wire 31 is fixed to the fixing metal 32 and the lightning receiving device 3 by nuts, the conductive wire 31 must be soldered to the fixing metal 32 and the lightning contact, respectively.
The lightning arrester is a lightning rod, and the upper end of the lightning rod is at least one meter higher than the highest position of the tower.
After the arrester was struck by lightning, electric current was followed along extending to ground net 11 along conductor wire 31 on, discharge rod 13 undertakes main discharge task, mainly realizes switching on with the ground through protruding granule 14 promptly, and then reduces ground resistance, lightning effectual purpose. The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. Mountain region economical and practical 35KV line lightning arrester, its characterized in that: the method comprises the following steps: the lightning protection device comprises a grounding device (1), a grounding wire (2) and a lightning receiving device (3); the grounding device (1) is arranged in underground soil, the lightning receiving device (3) is fixed above the electric tower, and the grounding device (1) is connected with the lightning receiving device (3) through a grounding wire (2);
the grounding device (1) comprises: a grounding grid (11) and a grounding holder (12); the grounding net (11) is a metal conductor, a grounding fixer (12) is vertically fixed on the grounding net (11), the grounding fixer (12) comprises a fixing sleeve (15) and a fixing bolt (16), the fixing sleeve (15) is provided with external threads, an inner hole is vertically formed in the upper portion of the fixing sleeve (15), a plurality of strip-shaped grooves are vertically formed in the hole wall of the inner hole, the hole wall of the inner hole is divided into strip-shaped arc-shaped hole walls by the strip-shaped grooves, and protrusions are vertically formed in the inner walls of the strip-shaped arc-shaped hole walls;
the ground connection fixer (12) is the tubular structure of both ends open-ended, ground connection fixer (12) one end internal diameter is less than the other end internal diameter, the inside toper cavity that is of ground connection fixer (12), ground connection fixer (12) are provided with the internal thread, ground connection fixer (12) internal thread suits with fixed sleeve (15) external screw thread, ground connection fixer (12) can twist and connect on fixed sleeve (15).
2. The 35KV line lightning protection device on the mountain land for economy and practicality according to claim 1, characterized in that: the lightning receiving device (3) is a lightning receptor.
3. The 35KV line lightning protection device on the mountain land for economy and practicality according to claim 2, characterized in that: the grounding wire (2) comprises a conductive wire (31) and a fixing rod (32); the lightning arrester is characterized in that a plurality of clamping grooves (33) are formed in the outer wall of the fixing drill rod (32), the clamping grooves (33) are matched with the protrusions, the fixing drill rod (32) can be inserted into an inner hole of the fixing sleeve (15), one end of the conductive wire (31) is connected with the fixing drill rod (32), and the other end of the conductive wire (31) is connected with the lightning receiving device (3).
4. The 35KV line lightning protection device on the mountain land for economy and practicability according to any one of claims 1 to 3, wherein: the grounding net (11) is a circular metal rod, and the center of the grounding net (11) is fixedly connected with the lower end of the fixing sleeve (15) through a supporting rod.
5. The 35KV line lightning protection device on the mountain land for economy and practicality according to claim 4, characterized in that: a plurality of discharge rods (13) are fixed on the outer side of the circular structure of the grounding grid (11), and the plurality of discharge rods (13) are provided with protruding particles (14).
6. The 35KV line lightning protection device on the mountain land for economy and practicality according to claim 5, characterized in that: the plurality of discharge rods (13) are uniformly distributed on the outer side of the grounding grid (11), and the plurality of discharge rods (13) are overlapped with the diameter extension line of the circular structure of the grounding grid (11).
7. The 35KV line lightning protection device on the mountain land for economy and practicality according to claim 5 or 6, characterized in that: the surfaces of the grounding grid (11), the fixing sleeve (15), the fixing bolt (16), the fixing drill rod (32), the discharging rod (13) and the protruding particles (14) are galvanized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299435.5U CN210404075U (en) | 2019-08-12 | 2019-08-12 | Economic and practical 35KV line lightning arrester for mountain land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299435.5U CN210404075U (en) | 2019-08-12 | 2019-08-12 | Economic and practical 35KV line lightning arrester for mountain land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404075U true CN210404075U (en) | 2020-04-24 |
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ID=70359451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921299435.5U Active CN210404075U (en) | 2019-08-12 | 2019-08-12 | Economic and practical 35KV line lightning arrester for mountain land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404075U (en) |
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2019
- 2019-08-12 CN CN201921299435.5U patent/CN210404075U/en active Active
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