CN211150812U

CN211150812U - Novel grounding wire device

Info

Publication number: CN211150812U
Application number: CN201921882911.6U
Authority: CN
Inventors: 邱灿树; 林新宇; 梁小强; 颜镇城; 林国鑫
Original assignee: Guangdong Power Grid Co Ltd; Chaozhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Chaozhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-31
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to a power equipment technical field specifically discloses a novel earth connection device, is applicable to overhead line, and overhead line includes the pole and erects the air wire on the pole, and novel earth connection device includes: the upper end of the upper lead is electrically connected with the overhead conductor; the isolating switch is fixed in the middle of the electric pole and comprises a static contact, a moving contact and a disconnecting link, wherein the static contact and the moving contact are electrically connected with the lower end of the upper lead; the upper end of the lower lead is electrically connected with the moving contact; the connecting terminal is fixed at the lower part of the electric pole, and the upper end of the connecting terminal is electrically connected with the lower end of the lower lead; the upper end of the grounding cable is electrically connected with the connecting terminal; and the grounding terminal is buried underground and is electrically connected with the lower end of the grounding cable. The utility model provides a novel earth connection device can alleviate electric power personnel's burden, improves the work efficiency who articulates the ground wire.

Description

Novel grounding wire device

Technical Field

The utility model relates to a power equipment technical field especially relates to a novel earth connection device.

Background

In distribution network power construction, hanging the ground wire is one of important safety measures, is a work which needs to be finished before most power failure operations, and can protect operating personnel from being damaged by incoming calls of nearby lines in the construction process.

According to the existing mode, when the ground wire is hung manually, one end of the ground wire must be well grounded, and then the other end of the ground wire is hung on the lead wire through the insulating operating rod. The process of removing the grounding wire is just reversed.

The operation of hanging the ground wire requires many, including:

the connection of the grounding wire is reliable, and a non-grounded short circuit wire is not required to be wound and used;

when the grounding wire is hung on a multi-layer power line erected on the same pole, a lower-layer wire is hung firstly, an upper-layer wire is hung secondly, a wire which is stronger than a human body is hung firstly, and a wire which is farther from the human body is hung secondly;

in order to ensure the personal safety of operators, when the earth wire is assembled and disassembled, an insulating rod or an insulating glove is applied, and the human body cannot contact the earth wire or the conductor which is not earthed;

the worker or other personnel is strictly prohibited to move the hung grounding wire at will, if the grounding wire needs to be moved, the work licensor or the work responsible person must approve the grounding wire and the work ticket or goods are placed in the work ticket or goodsSecurity measures are noted on the ticket. The grounding wire consists of 1 grounding section and 3-4 short circuit sections, the grounding wire must adopt a plurality of strands of soft bare copper wires, and the area of a single wire is not less than 16mm²And other wires are strictly forbidden to be used as grounding wires.

In order to ensure the operation safety, the ground wire hanging operation is required to be carried out according to the regulations, and the hanging of the electric wire is one of the main reasons influencing the working efficiency at present. Because the earth connection generally is the copper line, and length is more than 10 meters, and weight is more than 15kg, needs the operation personnel to lift heavy insulating bar and earth connection to the eminence, hangs according to the requirement of ann's rule strictly, and very time-consuming and laborious especially to the women staff that the arm strength is not enough, and the degree of difficulty of hanging the earth connection is very big.

Therefore, there is a need for a device for conveniently hooking a ground wire, which can reduce the burden of power personnel and improve the work efficiency of hooking the ground wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel earth connection device can alleviate electric power personnel's burden, improves the work efficiency who articulates the ground wire.

For reaching above purpose, the utility model provides a novel earth connection device is applicable to overhead line, overhead line includes the pole and erects in air wire on the pole, novel earth connection device includes:

the upper end of the upper lead is electrically connected with the overhead conductor;

the isolating switch is fixed in the middle of the electric pole and comprises a static contact, a moving contact and a disconnecting link, wherein the static contact and the moving contact are electrically connected with the lower end of the upper lead, and the disconnecting link is used for connecting the static contact and the moving contact;

the upper end of the lower lead is electrically connected with the moving contact;

the connecting terminal is fixed at the lower part of the electric pole, and the upper end of the connecting terminal is electrically connected with the lower end of the lower lead;

the upper end of the grounding cable is electrically connected with the connecting terminal;

and the grounding terminal is buried underground and is electrically connected with the lower end of the grounding cable.

Preferably, still include porcelain cross arm, porcelain cross arm is fixed on the pole, be located overhead conductor with between the isolator, the middle part of going up the lead wire is fixed on the porcelain cross arm.

Preferably, still include angle iron support ironware, isolator passes through angle iron support ironware with the pole rigid coupling.

Preferably, the cable further comprises a C-shaped wire clamp, and the upper lead is electrically connected with the overhead conductor through the C-shaped wire clamp.

Preferably, the ground terminal includes a horizontal ground electrode and a vertical ground electrode.

The beneficial effects of the utility model reside in that: the novel grounding wire device is provided, because the isolating switch and the connecting terminal are fixed on the electric pole, the whole novel grounding wire device basically keeps a static state, the only movable part is the disconnecting link, when the grounding wire needs to be hung, an electric power worker only needs to use the insulating rod on the ground to close the disconnecting link, and at the moment, the overhead conductor sequentially passes through the upper lead, the isolating switch, the lower lead, the connecting terminal, the grounding cable and the grounding terminal to realize grounding; when the grounding is not needed, the electric power personnel only need to use the insulating rod on the ground to disconnect the disconnecting link. The utility model provides a novel ground wire device, ground connection circuit's whole is waited for basically for a long time, and whether the deciliter state that only needs switch over isolator can realize ground connection, and easy operation is convenient, need not to lift heavy copper line, can alleviate electric power personnel's work burden and very big improvement articulate the work efficiency of ground wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a novel ground wire device provided in an embodiment.

In the figure:

1. an electric pole; 2. an overhead conductor;

3. leading wires up; 4. an isolating switch; 5. a down lead; 6. a connection terminal; 7. a ground cable; 8. a ground terminal; 801. a horizontal ground electrode; 802. a vertical ground electrode; 9. a porcelain cross arm; 10. the angle iron supports the iron piece; 11. hooping; 12. c-shaped wire clamp.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1, the present embodiment provides a novel ground wire device, which is suitable for an overhead line, the overhead line includes an electric pole 1 and an overhead conductor 2 erected on the electric pole 1, and the novel ground wire device includes an upper lead 3, an isolation switch 4, a lower lead 5, a connection terminal 6, a ground cable 7 and a ground terminal 8. The upper end of the upper lead 3 is electrically connected with the overhead conductor 2. The isolating switch 4 is fixed in the middle of the electric pole 1 and comprises a static contact, a moving contact and a disconnecting link, wherein the static contact and the moving contact are electrically connected with the lower end of the upper lead 3, and the disconnecting link is used for connecting the static contact and the moving contact. The upper end of the lower lead 5 is electrically connected with the moving contact. The connection terminal 6 is fixed to the lower part of the electric pole 1, and the upper end thereof is electrically connected with the lower end of the down-lead 5. The upper end of the ground cable 7 is electrically connected to the connection terminal 6. The ground terminal 8 is buried in the ground and electrically connected to the lower end of the ground cable 7.

Specifically, since the isolating switch 4 and the connecting terminal 6 are both fixed on the electric pole 1, the whole novel grounding wire device basically keeps a static state, the only movable part is a disconnecting link, when the grounding wire needs to be hung, an electric power worker only needs to use an insulating rod on the ground to close the disconnecting link, and at the moment, the overhead conductor 2 is grounded through the upper lead 3, the isolating switch 4, the lower lead 5, the connecting terminal 6, the grounding cable 7 and the grounding terminal 8 in sequence; when the grounding is not needed, the electric power personnel only need to use the insulating rod on the ground to disconnect the disconnecting link. The utility model provides a novel ground wire device, ground connection circuit's whole is waited for basically for a long time, and whether the deciliter state that only needs switch over isolator 4 can realize ground connection, and easy operation is convenient, need not to lift heavy copper line, can alleviate electric power personnel's work burden and very big improvement articulate the work efficiency of ground wire.

Novel earth connection device still includes porcelain cross arm 9, porcelain cross arm 9 is fixed on pole 1, be located overhead conductor 2 with between isolator 4, the middle part of going up lead wire 3 is fixed on porcelain cross arm 9.

Specifically, set up porcelain cross arm 9 and can effectively arrange in order and fix and go up lead wire 3, prevent to go up the swing with the wind that lead wire 3 overlength leads to, avoid taking place the incident.

Optionally, the novel ground wire device further comprises an angle iron support iron piece 10, and the isolating switch 4 is connected with the angle iron support iron piece 10 and the electric pole 1 fixedly connected together.

Preferably, the angle iron support 10 is connected to the electric pole 1 through the anchor ear 11. It can be understood that the height of the isolating switch 4 can be adjusted by adjusting the position of the hoop 11 up and down, so that electric power personnel can only lift the pole and do not ascend the height.

In this embodiment, the novel ground wire device further includes a C-shaped wire clamp 12, and the upper lead 3 is electrically connected to the overhead conductor 2 through the C-shaped wire clamp 12.

Specifically, the C-type wire clamp 12 is widely applied, simple and easy to use, and can effectively reduce the cost of the novel grounding wire device.

In this embodiment, the ground terminal 8 includes a horizontal ground electrode 801 and a vertical ground electrode 802.

This embodiment provides a novel earth connection device, possesses following advantage:

① at present, the suspension or the removal of the grounding wire of the distribution line is mostly finished on a pole, and the traditional mode is broken through by using the tool, and the erection and the removal of the grounding wire can be finished on the ground.

② the novel grounding wire device greatly reduces the operation time and ensures the safety production.

③ the novel grounding wire device is connected with the conducting wire through a wire clamp, and the connection is firm.

④ the novel grounding wire device has simple and understandable operation method, is easy to be accepted by operators, and does not need more training for popularization and use.

⑤ the traditional grounding wire needs to be placed in a special tool cabinet, has the requirements of humidity, temperature and the like, is complex in maintenance work and high in cost, has lower cost, does not need extra matching tools, can be placed outdoors, and is convenient to maintain.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel earth connection device, is applicable to overhead line, overhead line includes the pole and erects in overhead conductor on the pole, a serial communication port, include:

2. The novel grounding wire device of claim 1, further comprising a porcelain cross arm fixed on the electric pole between the overhead conductor and the isolating switch, wherein the middle part of the upper lead is fixed on the porcelain cross arm.

3. The novel grounding wire device as claimed in claim 1, further comprising an angle iron support, wherein the isolating switch is fixedly connected to the electric pole through the angle iron support.

4. The novel ground wire device of claim 1, further comprising a C-clamp, wherein the upper lead and the overhead conductor are electrically connected through the C-clamp.

5. The novel ground wire assembly of claim 1, wherein said ground terminal includes a horizontal ground and a vertical ground.