CN213905631U

CN213905631U - Portable telescopic earth bar device

Info

Publication number: CN213905631U
Application number: CN202120033526.5U
Authority: CN
Inventors: 张意
Original assignee: Yunnan Electric Power Technology Co ltd
Current assignee: Yunnan Electric Power Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-08-06
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a portable telescopic earth bar device, including earth connection head, scalable earth bar and earth conductor, the earth bar comprises the telescopic joint that a plurality of sections are hollow, the end of earth connection head with the head end of the first section telescopic joint of earth bar cooperatees and connects, the end of the last section telescopic joint of earth bar with earth conductor cooperatees and connects. The utility model discloses a hollow earth bar has greatly reduced its dead weight, and has set the earth bar to telescopic festival cooperation operation, hangs the earth connection work and does not need the operation of ascending a height, and operating personnel only need stand and hang into the earth connection through the length of adjusting flexible earth bar on power failure circuit or the equipment subaerial.

Description

Portable telescopic earth bar device

Technical Field

The utility model belongs to electric power safety multiplexer utensil field, concretely relates to portable telescopic earth bar device.

Background

At present, with the rapid development of the economy in China, the scale of the power system in China is increased day by day, and the operation and maintenance working range and the workload in the power system are heavy day by day. In the operation and maintenance of an electric power system, suspension grounding is an important electrical safety technical measure, and the measure is often used as a grounding technique for ensuring personnel safety, and is usually realized by suspending an operator on a blackout line or equipment by using a grounding rod.

However, in the power system, the line or equipment in power failure is often far away from the ground, an operator is required to ascend to operate and hang the ground wire, the ascending is often accompanied with the injury risk of the operator, and the ground wire and the ground rod are heavy in weight, the wire rod is wound, the ground wire is shaken and other adverse conditions in the hanging process, so that the operation of hanging the ground wire is difficult and inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming of the big and unfavorable operation of current earth connection and earth bar weight, provided a portable telescopic earth bar device.

The utility model adopts the following technical scheme:

the utility model provides a portable telescopic earth bar device which the key lies in: including ground connection head, scalable earth bar and earth conductor, the earth bar comprises the telescopic joint of a plurality of sections of hollows, the end of ground connection head with the head end of the first section telescopic joint of earth bar cooperatees and connects, the end of the last section telescopic joint of earth bar with earth conductor cooperatees and connects.

Adopt above-mentioned scheme, hollow earth bar has greatly reduced its dead weight, and sets the earth bar to telescopic festival cooperation operation, can adjust the earth bar according to the high flexible of earthing device to cooperate the ground better. The work of hanging the grounding wire does not need to ascend, and an operator only needs to stand on the ground to hang the grounding wire into a power failure line or equipment by adjusting the length of the telescopic grounding rod.

Preferably, the diameter of each telescopic joint is arranged from the head end to the tail end of the ground rod from small to large, and the outer diameter of the telescopic joint in the previous section is the inner diameter of the telescopic joint in the next section.

By adopting the scheme, the inner diameter and the outer diameter of the telescopic joint are matched, so that the telescopic joint can be better stretched and the good conductivity is ensured.

Preferably, in order to facilitate the extension and retraction of the ground rod and prevent operation electric shock, each telescopic joint is cylindrical and made of high-strength insulating materials.

Preferably, each section of the inner wall of the telescopic joint is attached with a drainage layer, and each section of the inner wall of the telescopic joint is contacted with each other.

By adopting the scheme, the expansion joint is made of the insulating material, and the internal drainage layer can guide electric energy on equipment to the grounding wire layer by layer.

Preferably, a butt joint is integrally arranged at the head end of the telescopic joint of the first section, and the butt joint is detachably connected with the ground joint.

Adopt above-mentioned scheme, the ground connection is removable, can be the ground connection of high strength alloy tongue type pressing mode ground connection, spring pressing mode ground connection or other kinds of general interfaces, and the butt joint is general, can cooperate different ground connection detachably to use, and the convenience is changed at any time.

Preferably, the tail end of the last telescopic joint is sleeved with a hand protection handle, and the hand protection handle is made of an insulating material.

Adopt above-mentioned scheme, in order to prevent earth bar electric leakage, the staff operation is protected to the hand protector handle not wounded by the electricity.

Preferably, the earth conductor includes connector, wire and outer insulating layer, the wire runs through the connector, with the last section the terminal detachably of telescopic joint connects, outer insulating layer parcel is lived all the wire.

Preferably, the grounding conductor is in a claw shape, three branches at the head end of the grounding conductor are connected with grounding rods which are connected with each other, and the tail end of the grounding conductor is connected with a reliable grounding point.

By adopting the scheme, the ground outer insulating layer of the grounding wire is a transparent soft plastic layer.

Has the advantages that: the utility model discloses a hollow earth bar has greatly reduced its dead weight, and has set the earth bar to telescopic festival cooperation operation, hangs the earth connection work and does not need the operation of ascending a height, and operating personnel only need stand and hang into the earth connection through the length of adjusting flexible earth bar on power failure circuit or the equipment subaerial.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is embodiment 1 of the ground contact;

FIG. 3 shows an embodiment 2 of a grounding head;

FIG. 4 is a schematic structural diagram of a ground lead;

the grounding device comprises a grounding head, a telescopic grounding rod, a butt joint, a telescopic joint, a drainage layer, a hand-protecting handle, a grounding wire, a connector, a wire and an outer insulating layer, wherein the grounding head is 1, the telescopic grounding rod is 2, the butt joint is 21, the telescopic joint is 22, the drainage layer is 23, the hand-protecting handle is 24, the grounding wire is 3, the connector is 31, the wire is 32, and the outer insulating layer is 33.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings:

example (b):

as shown in fig. 1, the key points of the portable telescopic ground rod device are as follows: including earth lug 1, scalable earth bar 2 and earth conductor 3, earth bar 2 comprises the telescopic joint 22 that a plurality of sections are hollow, earth lug 1's end with the head end of the first section telescopic joint of earth bar 2 cooperatees and connects, earth lug 2's last section telescopic joint end with earth conductor 3 cooperatees and connects. The first section of the telescopic joint 22 is integrally provided with a butt joint 21, and the butt joint 21 is detachably connected with the grounding joint 1. The tail end of the last telescopic joint 22 is sleeved with a hand protection handle 24, and the hand protection handle 24 is made of an insulating material.

As shown in fig. 1, the diameter of each telescopic joint 22 is set from the head end to the tail end of the ground rod 2 from small to large, and the outer diameter of the telescopic joint 22 of the previous section is the inner diameter of the telescopic joint 22 of the next section. Each telescopic joint 22 is cylindrical and made of high-strength insulating material. Each section of the inner wall of the telescopic joint 22 is attached with a drainage layer 23, and each section of the drainage layer 23 is mutually contacted.

As shown in fig. 4, the ground wire 3 includes a connector 31, a wire 32 and an outer insulating layer 33, the wire 32 penetrates through the connector 31 and is detachably connected to the last section of the telescopic joint 22, and the outer insulating layer 33 covers all the wires 32. The grounding conductor 3 is claw-shaped, three branches at the head end of the grounding conductor are connected with grounding rods respectively, and the tail end of the grounding conductor is connected with a reliable grounding point.

As shown in fig. 2 and 3, the ground connector may be a high strength alloy tongue-type press-fit ground connector, a spring-type press-fit ground connector, or a ground connector with other kinds of universal interfaces, and the butt connector 21 of the ground rod 2 is a universal type and can be connected with each kind of ground connector.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. A portable telescopic earth bar device which characterized in that: including earth lug (1), scalable earth bar (2) and earth conductor (3), earth bar (2) comprise a plurality of hollow telescopic joints (22) of festival, the end of earth lug (1) with the head end of the first section telescopic joint of earth bar (2) cooperatees and connects, the end of the last section telescopic joint of earth bar (2) with earth conductor (3) cooperate and connect.

2. A portable telescopic ground rod apparatus according to claim 1, wherein: the diameter of each telescopic joint (22) is arranged from the head end to the tail end of the grounding rod (2) from small to large, and the outer diameter of the telescopic joint (22) in the previous section is the inner diameter of the telescopic joint (22) in the next section.

3. A portable telescopic ground rod apparatus according to claim 2, wherein: each telescopic joint (22) is cylindrical and made of high-strength insulating materials.

4. A portable telescopic ground rod apparatus according to claim 3, wherein: each section of the inner wall of the telescopic joint (22) is attached with a drainage layer (23), and each section of the drainage layers (23) are mutually contacted.

5. A portable telescopic ground rod apparatus according to claim 1, wherein: the head end of the telescopic joint (22) of the first section is integrally provided with a butt joint (21), and the butt joint (21) is detachably connected with the grounding joint (1).

6. A portable telescopic ground rod apparatus according to claim 1, wherein: the tail end of the last telescopic joint (22) is sleeved with a hand protection handle (24), and the hand protection handle (24) is made of an insulating material.

7. A portable telescopic ground rod apparatus according to claim 1, wherein: ground wire (3) are including connector (31), wire (32) and outer insulating layer (33), wire (32) run through connector (31), with last festival the terminal detachably of telescopic joint (22) connects, all are lived in outer insulating layer (33) parcel wire (32).

8. A portable telescopic ground rod apparatus according to claim 7, wherein: the grounding lead (3) is in a claw shape, three branches at the head end of the grounding lead are connected with grounding rods respectively, and the tail end of the grounding lead is connected with a reliable grounding point.