CN213483991U

CN213483991U - Grounding electrode

Info

Publication number: CN213483991U
Application number: CN202022635954.3U
Authority: CN
Inventors: 董飞飞; 俞登科; 刘欣; 谭秋月
Original assignee: China Energy Intelligence New Technology Industry Development Co ltd; Electric Power Planning and Engineering Institute Co Ltd
Current assignee: China Energy Intelligence New Technology Industry Development Co ltd; Electric Power Planning and Engineering Institute Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-18
Anticipated expiration: 2030-11-13

Abstract

The utility model provides an earthing pole, include: the first protective cover is enclosed to form a first accommodating cavity with a first opening and a first through hole, and the first opening and the first through hole are positioned at two opposite ends of the first protective cover; the second protective cover comprises a first sub protective cover and a second sub protective cover, the first sub protective cover and the second sub protective cover are enclosed to form a second containing cavity with a second opening and a second through hole, the second opening is arranged towards the first protective cover, and the second through hole is positioned at one end, far away from the first protective cover, of the second protective cover; the adjusting assembly is arranged at one end, provided with the first through hole, of the first protective cover and is used for adjusting the position of at least one of the first sub-protective cover and the second sub-protective cover; and the grounding rod is partially positioned in the first accommodating cavity, one end of the grounding rod penetrates through the first through hole, and the grounding rod is positioned in the second accommodating cavity. The embodiment of the utility model provides a can solve the earthing pole and expose the fast problem of ground part corrosion.

Description

Grounding electrode

Technical Field

The utility model relates to an electric power apparatus technical field especially relates to an earthing pole.

Background

Grounding is an electrical safety measure taken to ensure the normal operation and personal safety of electrical equipment. Generally, grounding means that a grounding electrode is vertically buried in the ground and a power transmission device or a power device casing is electrically connected to the grounding electrode. After the grounding electrode is buried underground, a reserved part needs to be exposed out of the ground so as to be electrically connected with a shell of power transmission equipment or power equipment needing grounding through a lead.

However, the part of the grounding electrode exposed on the ground is corroded by rain and dirt for a long time, and meanwhile, the part of the grounding electrode is oxidized by the action of oxygen in the air. Therefore, the part of the grounding electrode exposed on the ground is easy to corrode, the corrosion of the grounding electrode easily causes the lead to fall off from the grounding electrode, and the transmission equipment or the power equipment cannot be reliably grounded, so that the service life of the grounding electrode is shortened.

Therefore, the prior art has the problem that the corrosion speed of the part of the grounding electrode exposed out of the ground is higher, so that the service life of the grounding electrode is shorter.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide an earthing pole, it is very fast to solve current earthing pole and expose ground part corrosion speed, leads to the short problem of life of earthing pole.

In order to achieve the above object, an embodiment of the present invention provides an earth electrode, including:

the protective cover comprises a first protective cover, a second protective cover and a third protective cover, wherein the first protective cover encloses to form a first containing cavity with a first opening and a first through hole, and the first opening and the first through hole are positioned at two opposite ends of the first protective cover;

the second protective cover comprises a first sub protective cover and a second sub protective cover, the first sub protective cover and the second sub protective cover enclose to form a second containing cavity with a second opening and a second through hole, the second opening is arranged towards the first protective cover, and the second through hole is arranged at one end, far away from the first protective cover, of the second protective cover;

the adjusting assembly is arranged at one end, provided with the first through hole, of the first protective cover and is used for adjusting the position of at least one of the first sub-protective cover and the second sub-protective cover so as to adjust the size of the second through hole;

and the grounding rod is partially positioned in the first accommodating cavity, one end of the grounding rod penetrates through the first through hole and is positioned in the second accommodating cavity.

Optionally, the adjusting assembly includes a first slider and a first lead screw, the first slider is provided with a first threaded through hole, the first lead screw is partially located in the first threaded through hole, the first lead screw is rotatably connected to the first shield, and the first slider is fixedly connected to the first sub-shield.

Optionally, the adjusting assembly further includes a second slider and a second lead screw, the second slider is provided with a second threaded through hole, the second lead screw is partially located in the second threaded through hole, the second lead screw is rotatably connected to the first shield, and the second slider is fixedly connected to the second sub-shield.

Optionally, the first end of the first screw rod is located outside the first protective cover, and a first hand wheel is arranged at the first end of the first screw rod.

Optionally, the first end of the second lead screw is located outside the first protective cover, and a second hand wheel is arranged at the first end of the second lead screw.

Optionally, the ground rod includes a ground rod body, a connector and a conductive column; the first end of the grounding rod body is connected with the connector, the connector is sunken towards the grounding rod body to form a third accommodating cavity, and a conductive clamping plate is arranged on the inner wall of the third accommodating cavity; the first end of the conductive column is arranged in the third accommodating cavity and attached to the conductive clamping plate, and the second end of the conductive column penetrates through the first through hole and is located in the second accommodating cavity.

Optionally, a connecting plate is disposed at the second end of the conductive post, and a connecting hole is disposed on the connecting plate.

Optionally, the outer wall of connector is equipped with helicitic texture, first protective cover be equipped with the screw hole that helicitic texture matches, the connector is at least partially located in the screw hole.

Optionally, at least one of the first protective cover, the first sub-protective cover and the second sub-protective cover is provided with a noctilucent silica gel ring.

Optionally, the outer wall of the first protective cover is provided with a groove matched with the noctilucent silica gel ring, the noctilucent silica gel ring is sleeved outside the first protective cover, and at least part of the noctilucent silica gel ring is positioned in the groove.

In the embodiment, the first protective cover and the second protective cover are arranged, so that the grounding rod is arranged in a relatively sealed space, and the phenomenon that the grounding rod reacts with air to generate oxidation is relieved; rainwater or other pollutants are prevented from being directly attached to the grounding electrode, so that the corrosion speed of the part of the grounding electrode exposed out of the ground is slowed down, and the service life of the grounding electrode is prolonged. Meanwhile, due to the arrangement of the adjusting assembly, the size of the second through hole can be adjusted. When the grounding electrode needs to be connected with or separated from the lead, the size of the second through hole can be adjusted through the adjusting assembly, and the grounding electrode can be replaced under the condition that the position of the movable grounding rod is not influenced. In addition, through the setting of adjusting part, the earthing pole also can be connected with the wire of different specifications.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a ground electrode provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a schematic view of a connection situation of the grounding electrode provided by the embodiment of the present invention when in use.

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 some, not all, of the embodiments of the present invention. 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.

As shown in fig. 1-4, an embodiment of the present invention provides a ground electrode, including:

a first shield 10, wherein the first shield 10 encloses to form a first receiving cavity 101 having a first opening and a first through hole, and the first opening and the first through hole are located at two opposite ends of the first shield 10;

the second shield comprises a first sub-shield 201 and a second sub-shield 202, the first sub-shield 201 and the second sub-shield 202 enclose a second accommodating cavity 203 with a second opening and a second through hole, the second opening is arranged towards the first shield 10, and the second through hole is arranged at one end of the second shield far away from the first shield 10;

the adjusting assembly is arranged at one end of the first protective cover 10, where the first through hole is formed, and is used for adjusting the position of at least one of the first sub-protective cover 201 and the second sub-protective cover 202 so as to adjust the size of the second through hole;

and the grounding rod is partially positioned in the first accommodating cavity 101, and one end of the grounding rod penetrates through the first through hole and is positioned in the second accommodating cavity 203.

The embodiment of the utility model provides an earthing pole is when using, at first need with the part the earth bar inserts underground. In some cases, the first shield 10 and the second shield may be removed from the ground rod for easy application of force, and the first shield 10 and the second shield may be sleeved on the ground rod after the ground rod is mostly inserted into the ground. After a part of the ground rod is inserted into the ground, the position of the ground rod is adjusted until one end of the first shield 10 is attached to the ground. After the installation position of the grounding rod is determined, a wire to be grounded is connected with one end of the grounding rod, which is positioned in the second accommodating cavity 203. Finally, the position of at least one of the first sub-shield 201 and the second sub-shield 202 is adjusted by the adjusting component, so as to adjust the size of the second through hole until the conducting wire is fixed.

It should be noted that, in an embodiment, the adjusting assembly is only used for adjusting the position of the first sub-shield 201, and the position of the second sub-shield 202 is fixed. The adjusting assembly can drive the first sub-shield 201 to move, and adjust the relative distance between the first sub-shield 201 and the second sub-shield 202, so as to adjust the size of the second through hole.

In another embodiment, the adjusting assembly is only used for adjusting the position of the second sub-shield 202, and the position of the first sub-shield 201 is fixed. The adjusting assembly can drive the second sub-shield 202 to move, and adjust the relative distance between the second sub-shield 202 and the first sub-shield 201, thereby adjusting the size of the second through hole.

In yet another embodiment, the adjusting assembly may be used to adjust the position of the first and

second sub-shields

201 and 202. The adjusting component drives the first sub-protective cover 201 and the second sub-protective cover 202 to move respectively, and adjusts the relative distance between the first sub-protective cover 201 and the second sub-protective cover 202, so that the size of the second through hole can be adjusted, and the axis position of the second through hole can be adjusted.

In this embodiment, the first shield 10 and the second shield are arranged so that the ground rod is placed in a relatively sealed space, thereby alleviating the oxidation phenomenon of the ground rod caused by the reaction with air; rainwater or other pollutants are prevented from being directly attached to the grounding electrode, so that the corrosion speed of the part of the grounding electrode exposed out of the ground is slowed down, and the service life of the grounding electrode is prolonged. Meanwhile, due to the arrangement of the adjusting assembly, the size of the second through hole can be adjusted. When the grounding electrode needs to be connected with or separated from the lead, the size of the second through hole can be adjusted through the adjusting assembly, and the grounding electrode can be replaced under the condition that the position of the movable grounding rod is not influenced. In addition, through the setting of adjusting part, the earthing pole also can be connected with the wire of different specifications.

Optionally, the adjusting assembly includes a first slider 301 and a first lead screw 302, the first slider 301 is provided with a first threaded through hole, the first lead screw 302 is partially located in the first threaded through hole, the first lead screw 302 is rotatably connected to the first shield 10, and the first slider 301 is fixedly connected to the first sub-shield 201.

It should be noted that, the connection mode of the first slider 301 and the first sub-shield 201 may be any mode. For example, in one embodiment, the first slider 301 and the first sub-shield 201 are fixed by adhesion. In another embodiment, the first slider 301 is integrally formed with the first sub-shield 201.

In this embodiment, the first screw 302 is rotated to drive the first slider 301 to move along the axial direction of the first screw 302 on the plane perpendicular to the ground rod, so as to adjust the distance between the first sub-shield 201 and the second sub-shield 202, and further adjust the size of the second through hole.

Optionally, the adjusting assembly further includes a second slider 303 and a second lead screw 304, the second slider 303 is provided with a second threaded through hole, a portion of the second lead screw 304 is located in the second threaded through hole, the second lead screw 304 is rotatably connected to the first shield 10, and the second slider 303 is fixedly connected to the second sub-shield 202.

It should be noted that the connection manner of the second slider 303 and the second sub-shield 202 may be any manner. For example, in one embodiment, the second slider 303 and the second sub shield 202 are fixed by adhesion. In another embodiment, the second slider 303 is integrally formed with the second sub shield 202.

In this embodiment, the second screw 304 is rotated to drive the second slider 303 to move along the axial direction of the second screw 304 on the plane perpendicular to the ground rod, so as to adjust the distance between the second sub-shield 202 and the first sub-shield 201, and further adjust the size of the second through hole.

Optionally, a first end of the first lead screw 302 is located outside the first protective cover 10, and a first hand wheel 305 is disposed at the first end of the first lead screw 302.

It should be noted that the rotation of the first lead screw 302 can be controlled by a motor or manually operated. When the first lead screw 302 is manually operated, a first end of the first lead screw 302 is located outside the first protective cover 10, and a first hand wheel 305 is disposed at the first end of the first lead screw 302.

In this embodiment, a first hand wheel 305 is disposed at a first end of the first lead screw 302. During the use process, an operator can control the rotation of the first lead screw 302 by rotating the first hand wheel 305, so that the operation convenience of the first lead screw 302 is improved.

Optionally, a first end of the second lead screw 304 is located outside the first shield 10, and a second wheel 306 is disposed at the first end of the second lead screw 304.

It should be noted that the rotation of the second lead screw 304 can be controlled by a motor or operated manually. When the second lead screw 304 is manually operated, a first end of the second lead screw 304 is located outside the first shield 10, and a second wheel 306 is disposed at the first end of the second lead screw 304.

In this embodiment, a second wheel 306 is disposed at a first end of the second lead screw 304. During the use process, an operator can control the rotation of the second screw rod 304 by rotating the second wheel 306, so that the operation convenience of the second screw rod 304 is improved.

Optionally, the ground rod includes a ground rod body 401, a connector 402 and a conductive pillar 403; the first end of the grounding rod body 401 is connected with the connector 402, the connector 402 is recessed towards the grounding rod body 401 to form a third accommodating cavity 4021, and a conductive clamping plate 4022 is arranged on the inner wall of the third accommodating cavity 4021; the first end of the conductive post 403 is disposed in the third receiving cavity 4021 and attached to the conductive clamping plate 4022, and the second end of the conductive post 403 passes through the first through hole and is disposed in the second receiving cavity 203.

In this embodiment, the connecting head 402 is recessed toward the ground rod body 401 to form a third receiving cavity 4021, and a conductive clamping plate 4022 is disposed on an inner wall of the third receiving cavity 4021; the first end of the conductive post 403 is disposed in the third receiving cavity 4021 and attached to the conductive clamping plate 4022. Through the above arrangement, the conductive post 403 and the conductive clamping plate 4022 are connected by fitting, so that the connection reliability between the connector 402 and the conductive post 403 is ensured.

Optionally, a connecting plate 4031 is disposed at a second end of the conductive pillar 403, and a connecting hole 4032 is disposed on the connecting plate 4031.

It will be appreciated that to improve the stability of the connection, one end of the wire is typically provided with a wire nose. A connecting hole 4032 is formed in the connecting plate 4031, and the connecting hole 4032 is matched with a wire nose of a lead. In one embodiment, the connection plate 4031 is threadedly connected to the wire nose. In use, bolts are passed through the connecting plate 4031 and wire noses and the connecting plate 4031 and wire noses are secured with nuts that mate with the bolts.

In this embodiment, a connection plate 4031 is disposed at a second end of the conductive pillar 403, and a connection hole 4032 is disposed on the connection plate 4031. The connecting plate 4031 is in threaded connection with the wire nose. On the one hand, through the setting of connecting plate 4031, can guarantee that connecting plate 4031 is fixed with the laminating of line nose, the condition of contact failure prevents to provide the reliability of wire ground connection. On the other hand, by the arrangement of the connection hole 4032, the connection plate 4031 is screwed with the wire nose, so that the connection plate 4031 can be conveniently mounted and dismounted with respect to the wire nose.

Optionally, the outer wall of the connector 402 is provided with a threaded structure, the first protective cover 10 is provided with a threaded hole matched with the threaded structure, and the connector 402 is at least partially located in the threaded hole.

In this embodiment, the outer wall of the connector 402 is provided with a thread structure, the first protective cover 10 is provided with a threaded hole matching with the thread structure, and the connector 402 is at least partially located in the threaded hole. First protection casing 10 with connector 402 is threaded connection, has improved first protection casing 10 with the connection stability of connector 402. Meanwhile, the length of the part of the connecting head 402 located in the first protective cover 10 can be adjusted through the thread structure, so as to further adjust the length of the part of the ground rod located in the first receiving cavity 101, thereby improving the flexibility of connection between the first protective cover 10 and the ground rod.

Optionally, at least one of the first protective cover 10, the first sub-protective cover 201 and the second sub-protective cover 202 is provided with a noctilucent silicone ring 50.

It should be noted that the connection mode of the noctilucent silica gel ring 50 and the first protective cover 10 can be any mode. For example, in one embodiment, the luminous silicone ring 50 is directly sleeved on the first protective cover 10. In another embodiment, the noctilucent silica gel ring 50 is fixed to the first protective cover 10 by adhesion.

It should be noted that the connection mode of the noctilucent silica gel ring 50 and the first sub-protective cover 201 can be any mode. For example, in one embodiment, the noctilucent silicone ring 50 is embedded in the first sub-protective cover 201. In another embodiment, the noctilucent silica gel ring 50 and the first sub-protective cover 201 are fixed by adhesion.

It should be noted that the connection mode of the noctilucent silica gel ring 50 and the second sub-protective cover 202 can be any mode. For example, in one embodiment, the noctilucent silicone ring 50 is embedded in the second sub-shield 202. In another embodiment, the noctilucent silicone ring 50 and the second sub-protective cover 202 are fixed by adhesion.

It should be noted that the connection mode of the noctilucent silica gel ring 50 and the first protective cover 10, the first sub-protective cover 201 and the second sub-protective cover 202 may be the same or different.

In this embodiment, at least one of the first protection cover 10, the first sub-protection cover 201 and the second sub-protection cover 202 is provided with a noctilucent silicone ring 50. Through the setting of night light silica gel circle 50, the earthing pole can pass through at night the self-luminous effect of night light silica gel circle 50 plays the warning effect to the pedestrian, prevents that the pedestrian from kicking the earthing pole is located the part on ground.

Optionally, the outer wall of the first protective cover 10 is provided with a groove matched with the noctilucent silica gel ring 50, and the noctilucent silica gel ring 50 is sleeved outside the first protective cover 10 and at least partially located in the groove.

In this embodiment, the outer wall of the first protective cover 10 is provided with a groove matched with the noctilucent silica gel ring 50, and the noctilucent silica gel ring 50 is sleeved outside the first protective cover 10 and at least partially located in the groove. The arrangement of the groove can limit the noctilucent silica gel ring 50 on one hand, and prevent the noctilucent silica gel ring 50 from sliding or shifting. On the other hand, the noctilucent silica gel ring 50 can be protected to a certain extent, so that the noctilucent silica gel ring 50 is prevented from being exposed to the external environment, and the service life of the noctilucent silica gel ring 50 is prolonged.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An earth electrode, comprising:

2. The grounding electrode of claim 1, wherein the adjusting assembly comprises a first slider and a first lead screw, the first slider is provided with a first threaded through hole, the first lead screw is partially located in the first threaded through hole, the first lead screw is rotatably connected with the first shield, and the first slider is fixedly connected with the first sub-shield.

3. The grounding electrode of claim 2, wherein the adjusting assembly further comprises a second slider and a second lead screw, the second slider is provided with a second threaded through hole, the second lead screw is partially located in the second threaded through hole, the second lead screw is rotatably connected to the first shield, and the second slider is fixedly connected to the second sub-shield.

4. The grounding electrode of claim 2, wherein the first end of the first lead screw is located outside the first shield, and a first hand wheel is disposed at the first end of the first lead screw.

5. The grounding electrode of claim 3, wherein the first end of the second lead screw is located outside the first shield, and a second hand wheel is arranged at the first end of the second lead screw.

6. The grounding electrode of claim 1, wherein the grounding rod comprises a grounding rod body, a connector and a conductive post; the first end of the grounding rod body is connected with the connector, the connector is sunken towards the grounding rod body to form a third accommodating cavity, and a conductive clamping plate is arranged on the inner wall of the third accommodating cavity; the first end of the conductive column is arranged in the third accommodating cavity and attached to the conductive clamping plate, and the second end of the conductive column penetrates through the first through hole and is located in the second accommodating cavity.

7. The grounding electrode of claim 6, wherein the second end of the conductive post is provided with a connecting plate, and the connecting plate is provided with a connecting hole.

8. The grounding electrode of claim 6, wherein the outer wall of the connector is provided with a threaded structure, the first protective cover is provided with a threaded hole matched with the threaded structure, and the connector is at least partially positioned in the threaded hole.

9. The grounding electrode of claim 1, wherein at least one of the first shield, the first sub-shield and the second sub-shield is provided with a luminous silicone ring.

10. The grounding electrode of claim 9, wherein the outer wall of the first protective cover is provided with a groove matched with the noctilucent silica gel ring, and the noctilucent silica gel ring is sleeved outside the first protective cover and at least partially positioned in the groove.