CN209963283U

CN209963283U - Grounding device

Info

Publication number: CN209963283U
Application number: CN201921183820.3U
Authority: CN
Inventors: 张孟琛; 吴荡; 李刚
Original assignee: State Grid Corp of China SGCC; Qinhuangdao Power Supply Co of State Grid Jibei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Qinhuangdao Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-01-17
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a grounding device for make line tower ground connection, include: the base is arranged on one side of the root of the pylon and at least partially extends into the ground; a ground pin extending into the base; a wire mechanism electrically connected between the root of the pylon and the ground pin; and the cover body is covered outside the wire guide mechanism and is fixedly connected with the base. Through establish the cover body and with pedestal fixed connection at wire mechanism cover for wire mechanism can obtain fine protection, can not stolen wire mechanism by the thief on the one hand, and on the other hand can prevent pedestrian contact wire mechanism.

Description

Grounding device

Technical Field

The utility model relates to a power equipment technical field especially relates to a grounding device.

Background

The transmission line easily suffers the thunderbolt, cause the condition of circuit tripping operation, in order to prevent the thunderbolt, need for transmission line installation earthing device, the electric current that produces the thunderbolt is led to the ground, avoid wire or transmission equipment to receive the harm of thunder and lightning, cut sheet metal into the strip usually, connect the ground connection stake according to the bending of on-the-spot condition, but because the metal of connecting the ground connection stake is directly exposed subaerial, only rely on simple nut to connect fixedly with the transmission line tower, often discover the stolen condition of earth connection, bring unsafe factor for the circuit operation, need patrolling and examining personnel regular check and reinstallate, maintenance cost is also very high. In addition, the structure is easy to trip over to cause pedestrians, and lacks targeted safety protection, thereby causing related liability accidents.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides a grounding device.

For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:

an earthing device for earthing a line tower, comprising:

the base is arranged on one side of the root of the pylon and at least partially extends into the ground;

a ground stud formed at the bottom of the base and extending into the base;

a wire mechanism electrically connected between the root of the pylon and the ground pin;

and the cover body is covered outside the wire guide mechanism and is fixedly connected with the base.

Preferably, bolts are embedded in the base; the bolt penetrates through the edge of the cover body so that the cover body is fixed on the base through the bolt.

Preferably, the cover has a window thereon.

Preferably, the wire guide mechanism includes:

the base is fixedly connected to the root of the pylon and provided with a guide hole;

a movable seat, a first end of which is formed with an insertion column, the insertion column is inserted into the guide hole, and the position of the movable seat is adjusted by changing the insertion amount of the insertion column; the second end of the movable seat is provided with a threaded hole of which the axis faces the base;

and the first end of the copper wire is provided with an external thread, the first end of the copper wire extends into the threaded hole to be in threaded connection with the movable seat, and the second end of the copper wire extends into the base to be electrically connected with the grounding pin.

Preferably, the copper conductor is externally coated with an aluminum alloy sleeve.

Preferably, a rib plate is formed on the base, and the rib plate is welded to the root of the pylon.

Preferably, the second end of the movable seat has an inclined surface facing the base, and the threaded hole is opened in the inclined surface.

The bottom of the base is provided with a grounding pile integrally formed with the base; wherein:

the grounding pin is embedded in the grounding pile.

Compared with the prior art, the utility model discloses a grounding device's beneficial effect is: through establish the cover body and with pedestal fixed connection at wire mechanism cover for wire mechanism can obtain fine protection, can not stolen wire mechanism by the thief on the one hand, and on the other hand can prevent pedestrian contact wire mechanism.

Drawings

Fig. 1 is a schematic perspective view of a grounding device according to an embodiment of the present invention.

Fig. 2 is a plan main sectional view of the grounding device according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a of fig. 2.

In the figure:

10-a wire guide mechanism; 11-copper wire; a 111-aluminum alloy jacket; 12-a movable seat; 121 inserting a column; 122-a bevel; 123-a threaded hole; 13-a base; 131-a guide hole; 132-rib plate; 20-a cover body; 30-a base; 40-a ground stake; 50-bolt; 100-line tower.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 3, an embodiment of the present invention discloses an earthing device for earthing a line tower 100, including: base 30, ground peg 40, wire guide mechanism 10, ground pin 60, and cover 20.

The foundation 30 and the ground connection pile 40 are integrally cast and formed by concrete, and are located on one side of the root of the pylon 100, the ground connection pile 40 extends into the ground, when the foundation 30 is cast, the ground pin 60 extends into the concrete for forming the ground connection pile 40, the bolt 50 is preset in the foundation 30, and the head of the bolt 50 extends out of the foundation 30.

The wire guide mechanism 10 is used to electrically connect between the root of the wire tower 100 and the grounding pin 60 in the grounding peg 40 below the base 30 to allow the wire tower 100 to be grounded.

The cover 20 is formed by casting concrete, and the cover 20 is covered outside the wire guide mechanism 10 and fixed to the base 30 by the bolt 50.

The advantages of the above embodiment are:

through establish the cover body 20 and with pedestal fixed connection at wire mechanism 10 dustcoat for wire mechanism 10 can obtain fine protection, can not stolen wire mechanism 10 by the thief on the one hand, and on the other hand can prevent pedestrian contact wire mechanism 10.

In a preferred embodiment of the present invention, as shown in fig. 1, the cover 20 has a window, through which the condition of the wire guiding mechanism 10 can be observed, for example, whether the wire guiding mechanism 10 is in the electrical connection state or not.

In a preferred embodiment of the present invention, the wire guide mechanism 10 includes: base 13, movable seat 12 and copper wire 11. Specifically, the base 13 is fixedly connected to the root of the pylon 100, and the base 13 is provided with a guide hole 131; an insertion column 121 is formed at a first end of the movable seat 12, the insertion column 121 is inserted into the guide hole 131, and the position of the movable seat 12 is adjusted by changing the insertion amount of the insertion column 121; a second end of the movable seat 12 is provided with a threaded hole 123 with an axis facing the base 30; the first end of the copper wire 11 is formed with an external thread, the first end extends into the threaded hole 123 to be connected with the movable seat 12 by a thread, and the second end extends into the base 30 to be connected with the grounding pin 60. Preferably, the second end of the movable seat 12 has a slope 122 facing the base 30, and the threaded hole 123 opens at the slope 122.

It should be noted that:

1. the base 30 and the grounding pile 40 are formed in a casting mode in a wiring site, before or in the casting process, the copper conductor 11 is connected with the grounding pin 60 and extends into a groove which is formed in advance and used for casting concrete, and the position of the second end of the copper conductor 11 extending into the concrete is changed by changing the insertion amount of the insertion column 121.

2. The base 13 and the movable seat 12 are made of metal materials, so that the base 13, the movable seat 12 and the copper wire 11 are integrally formed into a conductor, and the grounding pin 60 is made of metal materials.

In a preferred embodiment of the present invention, the copper wire 11 is externally coated with an aluminum alloy sheath 111. In the embodiment, the aluminum alloy sheath 111 has a high hardness, and can effectively prevent a person who is stolen from cutting off the copper conductor 11.

In a preferred embodiment of the present invention, the base 13 is formed with a rib 132, and the rib 132 is welded to the root of the line tower 100. In the present embodiment, the base 13 is welded to the root of the line tower 100 by the rib plate 132, so that the base 13 and the line tower 100 are fixedly connected.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. An earthing device for earthing a pylon, comprising:

a ground pin extending into the base;

2. The grounding device of claim 1, wherein bolts are embedded in the base; the bolt penetrates through the edge of the cover body so that the cover body is fixed on the base through the bolt.

3. The grounding device of claim 1, wherein the shield has a window therein.

4. The grounding device of claim 1, wherein the wire guide mechanism comprises:

5. The grounding device of claim 4, wherein the copper wire is externally coated with an aluminum alloy sheath.

6. The grounding device of claim 4, wherein the base is formed with a rib welded to a root of the pylon.

7. The grounding device as claimed in claim 4, wherein the second end of the movable seat has a slope facing the base, and the threaded hole is opened on the slope.

8. The grounding device of claim 4, wherein the bottom of the base has a grounding peg integrally formed therewith; wherein:

the grounding pin is embedded in the grounding pile.