CN216671941U

CN216671941U - Lightning protection grounding device for power line

Info

Publication number: CN216671941U
Application number: CN202123022493.3U
Authority: CN
Inventors: 余保军; 申芳芳; 李永鹏; 程海洋
Original assignee: Zhengzhou Shunwei Survey And Design Co ltd
Current assignee: Zhengzhou Shunwei Survey And Design Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-03
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a lightning protection grounding device for a power line, which comprises a first cylinder and a second cylinder, wherein a first sliding groove is formed in the top of the first cylinder, a second sliding groove is formed in one side wall of the top of the first cylinder, a first sliding block is installed in the second sliding groove in a sliding mode, a third sliding groove is formed in the bottom of the second sliding groove, a second sliding block is installed in the third sliding groove in a sliding mode, the top of the second sliding block and the bottom of the first sliding block are installed in a welding mode, and a pushing block is installed at the bottom of the second cylinder in a welding mode. Move the second cylinder through pushing down, make the other end contact that promotes piece and first slider to promote first slider and slide in the second spout, first slider inserts in soil, fixes the device, makes the installation of device more stable, through the home range of third spout restriction second slider, thereby prevents that first slider from breaking away from the second spout completely, so that first slider can't play the fixed action to the device.

Description

Lightning protection grounding device for power line

Technical Field

The utility model relates to the technical field of lightning protection grounding devices, in particular to a lightning protection grounding device for a power line.

Background

With the development of electric power systems in China, the laying of high-voltage overhead lines is increased day by day, power failure accidents caused by lightning striking of power transmission lines are increased day by day, accidents caused by lightning striking account for about 55-75% of the total tripping times of the high-voltage power transmission lines in China, particularly in areas with frequent lightning activities, high soil resistivity and complex terrain, the accident occurrence rate caused by the lightning striking of the power transmission lines is higher, and the economic loss caused by the lightning striking of the power transmission lines is very large, so that the research on the lightning protection design is very necessary in the design of the overhead power transmission lines.

The earthing device on the market is generally buried underground through digging a groove, but the earthing device is difficult to be fixedly attached to the surrounding soil when buried, so that the earthing device is unstable in installation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a lightning protection grounding device for a power line, which solves the problem that the traditional grounding device is buried underground, so that the device is difficult to be fixedly attached to the surrounding soil, and the installation of the grounding device is unstable.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a power line lightning grounding device, includes first cylinder and second cylinder, first spout has been seted up at the top of first cylinder, the second spout has been seted up to the top lateral wall of first cylinder, the inside slidable mounting of second spout has first slider, the third spout has been seted up to the bottom of second spout, the inside slidable mounting of third spout has the second slider, the top of second slider is the welding installation with the bottom of first slider, the bottom welding of second cylinder is installed and is promoted the piece, the top of second cylinder is provided with the connection end.

Preferably, the cross section of the first sliding chute is circular, and the diameter of the first sliding chute is equal to that of the second cylinder, so that the second cylinder can freely slide in the first sliding chute.

Preferably, the second sliding grooves are symmetrically arranged on the left side wall and the right side wall of the first column body, so that two sides of the device are fixed.

Preferably, one end of the first sliding block is wedge-shaped, and the other end of the first sliding block is provided with an inclined surface, so that the first sliding block can be easily inserted into soil.

Preferably, the surface of the second sliding block is attached to the inner wall of the third sliding groove, so that the second sliding block can freely slide in the third sliding groove.

Preferably, the bottom of pushing the piece is wedge-shaped, and the bottom of pushing the piece is corresponding to the other end of the first sliding block, so that the pushing piece can push the first sliding block.

Compared with the prior art, the utility model has the beneficial effects that: this power line lightning grounding device moves the second cylinder through pushing down, makes the other end contact that promotes piece and first slider to promote first slider and slide in the second spout, first slider inserts in soil, fixes the device, makes the installation of device more stable, through the home range of third spout restriction second slider, thereby prevents that first slider from breaking away from the second spout completely, so that first slider can't play the fixed action to the device.

Drawings

FIG. 1 is a schematic diagram of an isometric configuration of the present invention;

FIG. 2 is a partial cross-sectional structural schematic of the present invention;

FIG. 3 is a partial cross-sectional structural schematic of the present invention;

FIG. 4 is an enlarged view of the part A of the present invention.

In the figure: the first cylinder 1, the first chute 2, the second chute 3, the first sliding block 4, the third chute 5, the second sliding block 6, the second cylinder 7, the pushing block 8 and the connecting end 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, the utility model provides a technical solution, a lightning protection grounding device for a power line, comprising a first cylinder 1 and a second cylinder 7, wherein a first chute 2 is formed at the top of the first cylinder 1, the first chute 2 has a circular cross section, the diameter of the first chute 2 is equal to the diameter of the second chute 7, so that the second cylinder 7 can freely slide in the first chute 2, a second chute 3 is formed on a side wall of the top of the first cylinder 1, the cross section of the first chute 2 is circular, the diameter of the first chute 2 is equal to the diameter of the second chute 7, so that the second cylinder 7 can freely slide in the first chute 2, a first slider 4 is slidably mounted in the second chute 3, one end of the first slider 4 is wedge-shaped, the other end of the first slider 4 is provided with an inclined surface, so that the first slider 4 can be easily inserted into soil, a third chute 5 is formed at the bottom of the second chute 3, a second sliding block 6 is slidably mounted inside the third sliding groove 5, the top of the second sliding block 6 is welded with the bottom of the first sliding block 4, the surface of the second sliding block 6 is attached to the inner wall of the third sliding groove 5, so that the second sliding block 6 can freely slide inside the third sliding groove 5, the moving range of the second sliding block 6 is limited by the third sliding groove 5, the first sliding block 4 is prevented from completely separating from the second sliding groove 3, the first sliding block 4 cannot fix the device, a pushing block 8 is welded at the bottom of the second column 7, the bottom of the pushing block 8 is wedge-shaped, the bottom of the pushing block 8 is correspondingly arranged with the other end of the first sliding block 4, so that the pushing block 8 can push the first sliding block 4, the second column 7 is pressed downwards, the pushing block 8 is in contact with the other end of the first sliding block 4, and the first sliding block 4 is pushed to slide in the second sliding groove 3, during first slider 4 inserted soil, fix the device, make the installation of device more stable, the top of second cylinder 7 is provided with connection end 9.

When in use: when using this power line lightning grounding device, put into prepared soil pot hole with first cylinder 1, and align with the bottom and first spout 2 of second cylinder 7, press down and move second cylinder 7 and get into in first spout 2, make the other end contact of promotion piece 8 and first slider 4, thereby promote first slider 4 and slide in second spout 3, first slider 4 inserts in soil, fix the device, make the installation of device more stable, drive second slider 6 and slide in third spout 5 when first slider 4 removes, third spout 5 has restricted the removal scope of second slider 6, thereby prevent that first slider 4 from breaking away from second spout 3 completely, so that first slider 4 can't play the fixed action to the device.

To sum up, this power line lightning grounding device, move second cylinder 7 through pushing down, make the other end contact who promotes piece 8 and first slider 4, thereby promote first slider 4 and slide in second spout 3, first slider 4 inserts in soil, fix the device, make the installation of device more stable, the migration scope through third spout 5 restriction second slider 6, thereby prevent that first slider 4 from breaking away from second spout 3 completely, so that first slider 4 can't play the fixed action to the device, it is inseparable to have solved traditional earthing device and buried underground and be difficult to guarantee the device and soil is fixed to laminate all around, lead to the unstable problem of earthing device installation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power line lightning protection earthing device, includes first cylinder (1) and second cylinder (7), its characterized in that, first spout (2) have been seted up at the top of first cylinder (1), second spout (3) have been seted up to the top lateral wall of first cylinder (1), the inside slidable mounting of second spout (3) has first slider (4), third spout (5) have been seted up to the bottom of second spout (3), the inside slidable mounting of third spout (5) has second slider (6), the top of second slider (6) is the welding installation with the bottom of first slider (4), the bottom welding installation of second cylinder (7) has promotion piece (8), the top of second cylinder (7) is provided with connection end (9).

2. The lightning protection grounding device for the power line according to claim 1, characterized in that the cross section of the first sliding chute (2) is circular, and the diameter of the first sliding chute (2) is equal to the diameter of the second cylinder (7).

3. The lightning protection grounding device for the power line according to claim 1, wherein the second sliding grooves (3) are symmetrically arranged on the left and right side walls of the first column body (1).

4. The lightning protection grounding device for the power line according to claim 1, wherein one end of the first sliding block (4) is wedge-shaped, and the other end is provided with a slope.

5. The lightning protection grounding device for the power line according to claim 1, wherein the surface of the second sliding block (6) is attached to the inner wall of the third sliding chute (5).

6. The lightning protection grounding device for the power line according to claim 1, wherein the bottom of the pushing block (8) is wedge-shaped, and the bottom of the pushing block (8) is disposed corresponding to the other end of the first slider (4).