CN104966910A - Grounding pin for electric power system - Google Patents
Grounding pin for electric power system Download PDFInfo
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- CN104966910A CN104966910A CN201510389388.3A CN201510389388A CN104966910A CN 104966910 A CN104966910 A CN 104966910A CN 201510389388 A CN201510389388 A CN 201510389388A CN 104966910 A CN104966910 A CN 104966910A
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- Prior art keywords
- nail
- electric power
- centre bore
- power system
- grounding
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Abstract
Provided is a grounding pin for an electric power system. The grounding pin includes a pin body (1), a center hole (10), self-tapping threads (11), and a drain hole (100), the pin body (1) is provided with a conical tip, the self-tapping threads (11) are arranged outside the pin body (1), the self-tapping threads (11) make the grounding pin have the function of self-tapping grounding, the center hole (10) is arranged in the pin body (1), the axis direction of the center hole (10) is same to the axis direction of the pin body (1), the center hole (10) is a half through hole, the outward opening part of the center hole (10) is arranged at the tail end, namely, the end opposite to the tip, of the pin body (1), the drain hole (100) is arranged in the pin body (1), the drain hole (100) is a full through hole, and the openings at the two ends of the drain hole (100) are respectively connected with the center hole (10) and the outer wall of the pin body (1). The electric power system is low in cost, rapid in installation, and convenient to maintain.
Description
Technical field
The invention belongs to power equipment, particularly relate to a kind of grounding nail for electric power system.
Background technology
Grounding nail refers to the equipment for ground connection of being driven underground, prior art is generally direct is driven underground angle bar as grounding nail, due to the resistivity of soil and climate relationship very strong, the resistivity effects of drought and waterlogging situation to soil is huge, the contact situation of drought and waterlogging situation to grounding nail and soil also has tremendous influence, so the impact of the drought and waterlogging situation especially arid Grounding on grounding apparatus is huge.
Rainy season set burst thunderstorm has especially been crossed in the obvious area of, wet and dry season obvious in drought and waterlogging dry season during when wet and dry season replaces, first thunder when raining afterwards, easy appearance owing to carrying out electric equipment damage, rainwater do not have enough time to permeate the ground reduce earth resistance before the thunderbolt that happens suddenly also easily damage electric equipment.
In order to solve the ground connection instability problem of prior art in the obvious area of drought and waterlogging, the present invention relates to a kind of grounding nail for electric power system, the mode of this technical problem of solution of the present invention is, earth resistance can be safeguarded very easily, when electric power safety personnel record earth resistance too low, electric power safety personnel only need carry out the resistance that simple operations just effectively can safeguard earth resistance fast.
Summary of the invention
For the problem described in technical solution background, the present invention proposes a kind of grounding nail for electric power system.
The present invention has following technology contents.
1, for a grounding nail for electric power system, it is characterized in that: comprise nail body (1), centre bore (10), tapping screw thread (11), porus excretorius (100);
Nail body (1) has the tip of taper;
Tapping screw thread (11) is positioned at the outside of nail body (1), and tapping screw thread (11) makes grounding nail have the function certainly shooting ground;
Centre bore (10) is positioned at nail body (1), the axis trend of centre bore (10) moves towards identical with the axis of nail body (1), centre bore (10) is half through hole, and the external opening of centre bore (10) is in the tail end i.e. opposed end with tip of nail body (1);
Porus excretorius (100) be positioned at nail body (1), porus excretorius (100) is all-pass hole, and the both ends open of porus excretorius (100) connects with centre bore (10), the outer wall of following closely body (1) respectively.
2, a kind of grounding nail for electric power system as described in technology contents 1, is characterized in that: described centre bore (10) is circular hole.
3, a kind of grounding nail for electric power system as described in technology contents 1, is characterized in that: described centre bore (10) is square hole.
4, a kind of grounding nail for electric power system as described in technology contents 1, is characterized in that: described porus excretorius (100) is circular hole.
5, a kind of grounding nail for electric power system as described in technology contents 1, is characterized in that: described porus excretorius (100) is square hole.
6, for a grounding nail for electric power system, it is characterized in that: on the basis of the technical scheme described in technology contents 1, increase earthy resistance reducing agent (20); Resistance reducing agent (20) is contained in centre bore (10).
7, a kind of grounding nail for electric power system as described in technology contents 6, is characterized in that: the mixture that described resistance reducing agent (20) is carbon dust and water.
8, for a grounding nail for electric power system, it is characterized in that: on the basis of the technical scheme described in technology contents 6, increase the thin paper of encapsulation; The opening of shutoff centre bore (10) on the opening that thin paper is attached to centre bore (10); Use thin paper to be attached to porus excretorius (100) and seal this opening with on the opening that connects of outside following closely body (1).
9, a kind of grounding nail for electric power system as described in technology contents 6, is characterized in that: described thin paper is plastic paper.
Technology contents illustrates and beneficial effect.
Technology contents illustrates:
Resistance mode of falling of the present invention is, with porus excretorius (100), resistance reducing agent is poured into the position that grounding nail contacts with soil by centre bore (10), when using of the present invention, best tail end leaks outside or surface dust shallow embedding, when the earth resistance that safe practice personnel record grounding system is bigger than normal, to centre bore perfusion resistance reducing agent amount, can obtain good resistance fast, very applicable unexpected humidity changes area greatly; Regulate the denseness of resistance reducing agent or the diameter of porus excretorius, make resistance reducing agent fall slowly by the speed of porus excretorius, grounding nail and good contact suddenly can be kept more lastingly.
Porus excretorius of the present invention can be multiple.
Tapping screw thread makes grounding nail of the present invention install fast, directly screws in underground.
The present invention is cheap, installs fast, maintains easily.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the grounding nail (1) of embodiment 1.
Accompanying drawing 2 is the top view of the grounding nail (1) of embodiment 1.
Accompanying drawing 3 is the schematic diagram of the guard shield (3) for covering grounding nail exposed parts of embodiment 1.
Accompanying drawing 4 is the assembly drawing of embodiment 1.
concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1, as Figure 1-3, a kind of grounding nail for electric power system, comprises nail body (1), centre bore (10), tapping screw thread (11), porus excretorius (100);
Nail body (1) has the tip of taper;
Tapping screw thread (11) is positioned at the outside of nail body (1), and tapping screw thread (11) makes grounding nail have the function certainly shooting ground;
Centre bore (10) is positioned at nail body (1), the axis trend of centre bore (10) moves towards identical with the axis of nail body (1), centre bore (10) is half through hole, and the external opening of centre bore (10) is in the tail end i.e. opposed end with tip of nail body (1);
Porus excretorius (100) be positioned at nail body (1), porus excretorius (100) is all-pass hole, and the both ends open of porus excretorius (100) connects with centre bore (10), the outer wall of following closely body (1) respectively.
The nail tail 12 of nail body (1) is discoid, it having for connecting the pillar 120 being screwed into lever, being disposed across by steel pipe between pillar 120, and firmly grounding nail 1 can be screwed into underground by rotation.
Grounding nail also has wiring point 99, and earth cable 999 is connected by the nail tail 12 of wiring point 99 with nail body.
Centre bore (10) is circular hole.
Porus excretorius (100) is circular hole.
Also comprise earthy resistance reducing agent (20); Resistance reducing agent (20) is contained in centre bore (10).
The mixture that resistance reducing agent (20) is carbon dust and water.
Also comprise guard shield (3), guard shield (3) has air vent hole 30 for equilibrium air pressure, air vent hole 30 makes the air pressure in guard shield 3 to reduce, thus guard shield (3) internal gas pressure can not reduce, and the lasting excretion of resistance reducing agent 20 can not slow down because of air pressure problem.
Embodiment 2, a kind of grounding nail for electric power system, on the basis of the technical scheme described in embodiment 1, increase the thin paper of encapsulation; The opening of shutoff centre bore (10) on the opening that thin paper is attached to centre bore (10); Use thin paper to be attached to porus excretorius (100) and seal this opening with on the opening that connects of outside following closely body (1); Thin paper is plastic paper.
Claims (9)
1. for a grounding nail for electric power system, it is characterized in that: comprise nail body (1), centre bore (10), tapping screw thread (11), porus excretorius (100);
Nail body (1) has the tip of taper;
Tapping screw thread (11) is positioned at the outside of nail body (1), and tapping screw thread (11) makes grounding nail have the function certainly shooting ground;
Centre bore (10) is positioned at nail body (1), the axis trend of centre bore (10) moves towards identical with the axis of nail body (1), centre bore (10) is half through hole, and the external opening of centre bore (10) is in the tail end i.e. opposed end with tip of nail body (1);
Porus excretorius (100) be positioned at nail body (1), porus excretorius (100) is all-pass hole, and the both ends open of porus excretorius (100) connects with centre bore (10), the outer wall of following closely body (1) respectively.
2. a kind of grounding nail for electric power system as claimed in claim 1, is characterized in that: described centre bore (10) is circular hole.
3. a kind of grounding nail for electric power system as claimed in claim 1, is characterized in that: described centre bore (10) is square hole.
4. a kind of grounding nail for electric power system as claimed in claim 1, is characterized in that: described porus excretorius (100) is circular hole.
5. a kind of grounding nail for electric power system as claimed in claim 1, is characterized in that: described porus excretorius (100) is square hole.
6. for a grounding nail for electric power system, it is characterized in that: on the basis of technical scheme according to claim 1, increase earthy resistance reducing agent (20); Resistance reducing agent (20) is contained in centre bore (10).
7. a kind of grounding nail for electric power system as claimed in claim 6, is characterized in that: the mixture that described resistance reducing agent (20) is carbon dust and water.
8. for a grounding nail for electric power system, it is characterized in that: on the basis of technical scheme according to claim 6, increase the thin paper of encapsulation; The opening of shutoff centre bore (10) on the opening that thin paper is attached to centre bore (10); Use thin paper to be attached to porus excretorius (100) and seal this opening with on the opening that connects of outside following closely body (1).
9. a kind of grounding nail for electric power system as claimed in claim 6, is characterized in that: described thin paper is plastic paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389388.3A CN104966910A (en) | 2015-07-06 | 2015-07-06 | Grounding pin for electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389388.3A CN104966910A (en) | 2015-07-06 | 2015-07-06 | Grounding pin for electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104966910A true CN104966910A (en) | 2015-10-07 |
Family
ID=54220912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510389388.3A Pending CN104966910A (en) | 2015-07-06 | 2015-07-06 | Grounding pin for electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966910A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512128Y (en) * | 2001-10-19 | 2002-09-18 | 中国人民解放军66169部队 | Grounding body of grounding wire device |
| CN202127105U (en) * | 2011-06-30 | 2012-01-25 | 北京市电力公司 | Grounding pricker |
| CN103219597A (en) * | 2013-04-07 | 2013-07-24 | 国家电网公司 | Grounding wire device |
-
2015
- 2015-07-06 CN CN201510389388.3A patent/CN104966910A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512128Y (en) * | 2001-10-19 | 2002-09-18 | 中国人民解放军66169部队 | Grounding body of grounding wire device |
| CN202127105U (en) * | 2011-06-30 | 2012-01-25 | 北京市电力公司 | Grounding pricker |
| CN103219597A (en) * | 2013-04-07 | 2013-07-24 | 国家电网公司 | Grounding wire device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151007 |