CN216750323U

CN216750323U - Earth electrode for cement ground

Info

Publication number: CN216750323U
Application number: CN202220154849.4U
Authority: CN
Inventors: 石锦辉; 蔡慈念; 李福应; 梁源
Original assignee: Guangdong Eller Testing Technology Co ltd
Current assignee: Guangdong Eller Testing Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-14
Anticipated expiration: 2032-01-20

Abstract

The utility model belongs to the technical field of power equipment, and particularly relates to a grounding electrode for cement ground, which comprises a grounding disc, wherein the grounding disc comprises a connecting disc and a chassis, an insulating cylinder is installed on the inner side surface of the grounding disc in a threaded manner, an insulating handle is inserted into the outer surface of the insulating cylinder, hair pads are respectively bonded on the lower end surface of the chassis and the inner wall of the insulating cylinder, a grounding electrode rod is inserted into the inner side surface of the hair pads, a central hole and threaded holes distributed in an annular array manner are respectively formed in the inner side surface of the connecting disc, bulges are arranged on the lower end surface of the insulating cylinder, threaded through holes matched with the bulges are formed in the inner side surface of the chassis, a ground wire joint is welded on the upper end surface of the grounding electrode rod, the bottom of the bulges is exposed at the lower end of the grounding electrode rod, and the grounding disc is made of engineering plastic. According to the utility model, through the arrangement and the arrangement of the hair pad, the hair pad can wrap the grounding electrode rod to the maximum extent, the contact area with the ground is larger, and the influence of the grounding resistance on a test value is reduced.

Description

Earth electrode for cement ground

Technical Field

The utility model relates to the technical field of power equipment, in particular to a grounding electrode for cement ground.

Background

In the electric power maintenance and inspection operation, in order to ensure the equipment safety and the safety of operators, the circuit needs to be grounded. The grounding device used for grounding includes a caliper, a grounding cable and a grounding electrode. Wherein, calliper is used for being connected with overhead line, and the earthing pole is used for inserting ground, and the both ends of ground connection cable are connected with calliper and earthing pole respectively to the realization switches on overhead line and ground through earthing device. When the grounding resistance tester is used, a grounding electrode needs to be driven into soil for testing, and a cement ground is generally tested by paving the grounding electrode on the cement ground and wrapping the grounding electrode with water and a towel. However, the mode of wrapping the grounding electrode with the towel and adding water on the cement ground is not safe enough, safety accidents easily occur when an operator mistakenly touches the grounding electrode in the test operation, and in the test process, the contact resistance is increased due to the fact that the contact area of the towel and the ground is small, and therefore the error of a test value is large.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the grounding electrode for the cement ground, which solves the problems that safety accidents are easy to happen and the testing value is influenced greatly by grounding resistance.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a ground electrode for cement ground, includes the earth disc, the earth disc includes connection pad and chassis, the insulator cylinder is installed to the medial surface screw thread of earth disc, the surface of insulator cylinder is pegged graft and is had insulating handle, the lower terminal surface on chassis and the inner wall of insulator cylinder have all bonded the hair pad, the medial surface of hair pad is pegged graft and is had the earth electrode stick, the medial surface of connection pad is seted up the centre bore respectively and is the screw hole that annular array distributes, the lower terminal surface of insulator cylinder is provided with the arch, the medial surface on chassis seted up with protruding complex screw through-hole, the up end welding of earth electrode stick has the ground wire to connect.

In a preferred embodiment of the present invention, the lower end of the ground electrode bar is exposed to the bottom of the projection.

As a preferable technical scheme of the utility model, the grounding plate is made of engineering plastics.

Compared with the prior art, the utility model provides the grounding electrode for the cement ground, which has the following beneficial effects:

1. this earthing pole for cement ground, through setting up the insulating tube, the insulating tube protection earthing pole stick can prevent simultaneously that the operation personnel from touching the earthing pole stick by mistake and electrocute in the operation, can avoid taking place the incident.

2. This earthing pole for cement ground, through setting up the hair pad, the hair pad can enough furthest encase the earth electrode stick, and the area of contact with ground is great again, has reduced the influence of ground resistance to the test value.

Drawings

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

FIG. 2 is a disassembled schematic view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a grounding plate; 2. a connecting disc; 3. a chassis; 4. an insulating cylinder; 5. a ground electrode bar; 6. an insulated handle; 7. a hair pad; 8. a central bore; 9. a threaded hole; 10. a protrusion; 11. a threaded through hole; 12. and a ground wire connector.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a ground electrode for cement ground, including ground plate 1, ground plate 1 includes connection pad 2 and chassis 3, insulator 4 is installed to ground plate 1's medial surface screw thread, it has insulating handle 6 to peg graft the surface of insulator 4, the lower terminal surface of chassis 3 and the inner wall of insulator 4 have all bonded the hair pad 7, the medial surface of hair pad 7 is pegged graft and is had ground electrode stick 5, centre bore 8 and the screw hole 9 that is the annular array and distributes are seted up respectively to connection pad 2's medial surface, the lower terminal surface of insulator 4 is provided with protruding 10, chassis 3's medial surface seted up with protruding 10 complex screw through-hole 11, ground electrode stick 5's up end welding has ground wire joint 12.

In this embodiment, insulating cylinder 4 protects ground pole stick 5, can prevent simultaneously that the operation personnel from touch ground pole stick 5 by mistake and electrocute in the operation, can avoid taking place the incident, insulating handle 6 is convenient for the operation personnel and takes this device, hair pad 7 can be the material of making of towel, hair pad 7 wraps up the bottom of ground pole stick 5, contact the cement ground that has permeated water under the moist condition of hair pad 7, alright carry out ground resistance test operation, threaded through hole 11 is convenient for tear down ground plate 1 with protruding 10's screw-thread fit, can tear open and untie before the use, reduce occupation space, portable, the nylon screw can be twisted into to screw hole 9, be in the same place with connection pad 2 and chassis 3 are fixed, ground wire joint 12 is used for connecting the ground wire.

Specifically, the lower end of the ground electrode bar 5 is exposed to the bottom of the projection 10.

In this embodiment, the lower end of the ground electrode bar 5 is exposed and can enter the hair pad 7 in the chassis 3, and contact the hair pad 7.

Specifically, the grounding plate 1 is made of engineering plastics.

In the embodiment, the grounding plate 1 made of engineering plastics is hard in texture, not easy to damage and long in service life.

The working principle and the using process of the utility model are as follows: when the grounding resistance test device is used, an operator spills a proper amount of water at a preset test site in advance, and spills water and wets the hair pad 7, the operator holds the insulating handle 6 to move to the preset test site on the cement ground, the hair pad 7 is in contact with the cement ground, the grounding electrode rod 5 is not required to be driven into the ground, the hair pad 7 can wrap the grounding electrode rod 5 to the maximum extent and has a large contact area with the ground, the influence of the grounding resistance on a test value is reduced, the ground wire connector 12 is clamped by calipers on the ground wire, the grounding resistance test can be carried out, after the test is finished, the bulge 10 is screwed out of the threaded through hole 11, the grounding disc 1 is detached, the occupied space is reduced, the carrying is convenient, when the hair pad 7 needs to be cleaned, the nylon screw is unscrewed to detach the chassis 3, and the hair pad 7 in the insulating cylinder 4 is not in contact with the cement ground and is not polluted when in use, therefore, only drying is needed, and recycling and multiple use are facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A grounding electrode for cement ground, comprising a grounding disc (1), characterized in that: the ground plate (1) comprises a connecting disc (2) and a chassis (3), an insulating cylinder (4) is installed on the inner side face of the ground plate (1) in a threaded mode, an insulating handle (6) is inserted into the outer surface of the insulating cylinder (4), a hair pad (7) is bonded to the lower end face of the chassis (3) and the inner wall of the insulating cylinder (4), a ground pole rod (5) is inserted into the inner side face of the hair pad (7), a central hole (8) and threaded holes (9) distributed in an annular array mode are formed in the inner side face of the connecting disc (2) respectively, protrusions (10) are arranged on the lower end face of the insulating cylinder (4), threaded through holes (11) matched with the protrusions (10) are formed in the inner side face of the chassis (3), and a ground wire connector (12) is welded to the upper end face of the ground pole rod (5).

2. A grounding electrode for use in concrete ground according to claim 1, characterized in that: the lower end of the grounding pole rod (5) is exposed out of the bottom of the bulge (10).

3. A grounding electrode for use in concrete ground according to claim 1, characterized in that: the grounding plate (1) is made of engineering plastics.