CN216436315U - Grounding device for dense personnel areas - Google Patents
Grounding device for dense personnel areas Download PDFInfo
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- CN216436315U CN216436315U CN202123091184.1U CN202123091184U CN216436315U CN 216436315 U CN216436315 U CN 216436315U CN 202123091184 U CN202123091184 U CN 202123091184U CN 216436315 U CN216436315 U CN 216436315U
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Abstract
The utility model relates to a grounding device used in a dense personnel area, which is provided with a connecting main body; grounding grids extending in the direction far away from the connecting main body are symmetrically arranged on two sides of the connecting main body; a grounding pin is fixedly arranged on the grounding grid; the connecting main body, the grounding grid and the grounding nail are all made of conductive materials and are in conductive connection; the connecting main body is provided with a connecting assembly for being fixedly installed on the deep buried section of the electric pole; and the connecting main body is provided with a wiring assembly for electric connection. The utility model discloses be fit for the frequent place of population activity and use, not only can be applicable to the pole of various sizes, can realize more shunts moreover, weaken terminal earthing device leakage current's size to balanced its power frequency step voltage reduces power frequency voltage amplitude.
Description
Technical Field
The utility model relates to a grounding device for intensive area of personnel.
Background
When the electrical equipment has a ground fault, the ground current quickly flows away from the ground through the grounding body, and a distributed potential is formed on the ground. At this time, if people walk around the grounding short-circuit point, the potential difference between the two feet is the step voltage. The human body electric shock caused by the step voltage is called step voltage electric shock.
Along with the constantly propulsion of urbanization process, the power transmission line passageway constantly receives crowded accounting, because of crowded accounting in road corridor, a large amount of overhead transmission line adopt the steel pipe pole, and the shaft tower position is often on greenbelt or pavement next door, the utility model discloses an it threatens to the safety of living in order to prevent that the voltage of striding step from constituting near the frequent shaft tower of population activity exactly, and research a personnel intensive area earthing device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a grounding device for areas with dense personnel, which is suitable for places with frequent population activities and can be suitable for electric poles with various sizes; and more shunts can be realized, and the magnitude of the leakage current of the tail end grounding device is weakened, so that the power frequency step voltage of the tail end grounding device is balanced, and the power frequency voltage amplitude is reduced.
Realize the utility model discloses the technical scheme of purpose is: the utility model is provided with a connecting main body; grounding grids extending in the direction far away from the connecting main body are symmetrically arranged on two sides of the connecting main body; a grounding pin is fixedly arranged on the grounding grid; the connecting main body, the grounding grid and the grounding nail are all made of conductive materials and are in conductive connection; the connecting main body is provided with a connecting assembly for being fixedly installed on the deep buried section of the electric pole; and the connecting main body is provided with a wiring assembly for electric connection.
Furthermore, a plurality of grounding pins are distributed on each grounding grid.
The connecting assembly comprises two holding claws which are arranged oppositely and slidably on the connecting main body; the two holding claws are connected through bolts to form a clamp fixedly connected to the deep buried section of the electric pole; the clamp forms an electrically conductive connection with the connection body.
The wiring assembly comprises a connecting seat, a conductive rod and an insulating layer wrapped outside the conductive rod; the connecting seat is fixedly connected to one of the holding claws; the lower end of the current conducting rod is provided with a ball head; a ball head groove is arranged on the connecting seat; the ball head at the lower end of the current conducting rod is rotatably arranged in the ball head groove of the connecting seat; the conductive rod, the connecting seat, the clamp and the connecting main body are mutually in conductive connection; the upper end of the conductive rod is used for extending out of the ground and forming electric connection with a grounding wire.
Further, the distance between the far end of the grounding grid and the center of the connecting body is 8.7 meters; the width of the wiring grid is 3 meters; each grid on the grounding grid is 0.6 m multiplied by 0.6 m; the length of the grounding pin is 1.5 meters.
The utility model discloses has positive effect: (1) the utility model discloses a more reposition of redundant personnel can be realized to the ground grid; meanwhile, the leakage current of the terminal grounding device is weakened through the grounding pin, so that the power frequency step voltage of the terminal grounding device is balanced, and the power frequency voltage amplitude is reduced.
(2) The utility model discloses a coupling assembling can adapt to the pole of various sizes, and the commonality is stronger.
(3) The utility model discloses well wiring subassembly passes through the bulb normal running fit of connecting seat and conducting rod for it is more convenient that the earth connection is connected, can effectively guarantee through the insulating layer simultaneously that the electric current guides to again disperse behind the earthing device.
(4) The utility model discloses well ground connection net's size design is because the stride of considering under the ordinary adult normal walking state generally is about 65cm, if the stride under the running state generally is about 110cm, combines the width influence on present general greenbelt and non-motor way simultaneously, discovers the influence that so design could further reduce the step voltage and lead to the fact the pedestrian.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the junction block of the present invention;
fig. 3 is a schematic diagram of the present invention embedded underground.
Detailed Description
Referring to fig. 1 and 2, the present invention has a connecting body 1; grounding grids 2 extending towards the direction far away from the connecting body 1 are symmetrically arranged on two sides of the connecting body 1; the grounding grid 2 is fixedly provided with a grounding pin 3; the connecting body 1, the grounding grid 2 and the grounding nail 3 are all made of conductive materials and are in conductive connection; the connecting main body 1 is provided with a connecting component 4 which is fixedly arranged on the deep buried section of the electric pole; the connecting body 1 is provided with a wiring component 5 for electric connection.
A plurality of grounding pins 3 are distributed on each grounding grid 2. The concrete distribution is as follows: on each ground grid 2, two edges extending in the extending direction of the ground grid 2 are provided with one ground pin 3 every two grids.
The connecting assembly 4 comprises two holding claws which are arranged in pair and are arranged on the connecting main body 1 in a sliding manner; the two holding claws are connected through bolts to form a clamp fixedly connected to the deep buried section of the electric pole; the clamping band forms an electrically conductive connection with the connection body 1. The connecting main body 1 is provided with a sliding groove, and the lower end of the holding claw is arranged in the sliding groove in a sliding mode.
The wiring assembly 5 comprises a connecting seat 51, a conductive rod 52 and an insulating layer 53 wrapped outside the conductive rod; the connecting seat 51 is fixedly connected to one of the holding claws; the lower end of the conductive rod 52 is provided with a ball head 521; a ball head groove is arranged on the connecting seat 51; the ball head 521 at the lower end of the conductive rod 52 is rotatably arranged in the ball head groove of the connecting seat 51; the conductive rod 52, the connection 51, the clamp and the connection main body 1 are mutually in conductive connection; the upper end of the conductive rod 52 is adapted to extend above ground and make an electrical connection with a ground line.
The distance between the far end of the grounding grid 2 and the center of the connecting body 1 is 8.7 meters; the width of the wiring grid 2 is 3 meters; each grid on the grounding grid 2 is 0.6 m multiplied by 0.6 m; the length of the grounding pin 3 is 1.5 meters.
See fig. 3, the utility model discloses when burying underground, bury underground the degree of depth more than or equal to 0.8 meter.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A grounding device for use in areas with dense personnel, comprising: having a connecting body; grounding grids extending in the direction far away from the connecting main body are symmetrically arranged on two sides of the connecting main body; a grounding pin is fixedly arranged on the grounding grid; the connecting main body, the grounding grid and the grounding nail are all made of conductive materials and are in conductive connection; the connecting main body is provided with a connecting assembly for being fixedly installed on a deep buried section of the electric pole; and the connecting main body is provided with a wiring assembly for electric connection.
2. The grounding device for areas with dense population according to claim 1, characterized in that: the connecting assembly comprises two holding claws which are arranged in pair and are arranged on the connecting main body in a sliding manner; the two holding claws are connected through bolts to form a clamp fixedly connected to the deep buried section of the electric pole; the clamp forms an electrically conductive connection with the connection body.
3. The grounding device for areas with dense population according to claim 2, characterized in that: the wiring assembly comprises a connecting seat, a conductive rod and an insulating layer wrapped outside the conductive rod; the connecting seat is fixedly connected to one of the holding claws; the lower end of the current conducting rod is provided with a ball head; a ball head groove is arranged on the connecting seat; the ball head at the lower end of the current conducting rod is rotatably arranged in the ball head groove of the connecting seat; the conductive rod, the connecting seat, the clamp and the connecting main body are mutually in conductive connection; the upper end of the conductive rod is used for extending out of the ground and forming electric connection with a grounding wire.
4. The grounding device for areas with dense population according to claim 1, characterized in that: the distance between the far end of the grounding grid and the center of the connecting body is 8.7 meters; the width of the wiring grid is 3 meters; each grid on the grounding grid is 0.6 meters multiplied by 0.6 meters; the length of the grounding pin is 1.5 meters.
5. The grounding device for areas with dense population according to claim 1, characterized in that: a plurality of grounding pins are distributed on each grounding grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091184.1U CN216436315U (en) | 2021-12-10 | 2021-12-10 | Grounding device for dense personnel areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091184.1U CN216436315U (en) | 2021-12-10 | 2021-12-10 | Grounding device for dense personnel areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216436315U true CN216436315U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123091184.1U Active CN216436315U (en) | 2021-12-10 | 2021-12-10 | Grounding device for dense personnel areas |
Country Status (1)
| Country | Link |
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| CN (1) | CN216436315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066886A1 (en) * | 2022-09-26 | 2024-04-04 | 华能伊敏煤电有限责任公司 | Power plant grounding structure facilitating inspection and repair, and concrete protection apparatus |
-
2021
- 2021-12-10 CN CN202123091184.1U patent/CN216436315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066886A1 (en) * | 2022-09-26 | 2024-04-04 | 华能伊敏煤电有限责任公司 | Power plant grounding structure facilitating inspection and repair, and concrete protection apparatus |
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