CN201994434U - Metal formwork earthing device - Google Patents
Metal formwork earthing device Download PDFInfo
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- CN201994434U CN201994434U CN2011200473863U CN201120047386U CN201994434U CN 201994434 U CN201994434 U CN 201994434U CN 2011200473863 U CN2011200473863 U CN 2011200473863U CN 201120047386 U CN201120047386 U CN 201120047386U CN 201994434 U CN201994434 U CN 201994434U
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- metal
- metal form
- earthing device
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- metal support
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Abstract
A metal formwork earthing device comprises a metal support body and metal formwork, wherein a cover cap auxiliary material for connecting with electrical equipment is arranged on the upper end of the metal support body, the metal formwork is arranged at the external part of the metal support body, a notch is arranged in the metal support body, and the metal formwork is clamped at the external part of the metal support body via the notch. The metal formwork earthing device fully and effectively discharges current generated by the electrical equipment into soil so as to protect the electrical equipment, with no harm to human body and no environment pollution.
Description
Technical field
The utility model relates to the earthing device field of electric equipment.
Background technology
Usually, earth rod or ground plate (following general designation " earth rod ") are meant that the earth connection of deriving with equipment such as electric equipment, communication equipment, measuring equipment, lightning rods links together, and is connected to the terminal in the soil.Earth rod is connected equipment with ground, the excess load of the equipment of acting on or surge current that thunderbolt causes are discharged in the soil, and the equipment that prevents is impaired because of excess load and surge current, prevents most advanced and sophisticated electronic equipment misoperation, when making equipment that running can be stablized, prevent harmfulness to human body.
The earth resistance of earth rod is the smaller the better, the method that reduces earth resistance has physical method and two kinds of methods of chemical method, Earthing Resistance Reducer belongs to chemical method, the Earthing Resistance Reducer that is used for chemical method has non-reacted resistance reducing agent and Bai Asilun (White Asron) such as salt, sulfuric acid, ammonia, calcium carbonate, carbon dust, semi-hydrated gypsum isoreactivity resistance reducing agent.Chemical method can't compare favourably with the physical property method, resistance reducing effect has certain difference, compare with the situation of not using resistance reducing agent, grounding resistance can be reduced about 30%, earth rod is imbedded after the peripheral soil, non-reacted resistance reducing agent can make the intrinsic resistance of soil diminish, but this is effect for the moment just, As time goes on, runs off with rainwater, time through 1-2 will lose effect, causes grounding resistance to raise again.Reactive resistance reducing agent is a kind of mode of injecting resistance reducing agent around earth rod, can be lasting than non-reacted effect, but also have the shortcoming that grounding resistance still can raise behind the 4-5.In addition, Earthing Resistance Reducer is sneaked into soil or be injected into around the earthing device, can be as time goes by, in soil, contaminated soil and underground water cause environmental pollution with rain penetration.
Physical method then can not cause environmental pollution, and its method has following several: 1. that earth rod is buried to the groundwater level bottom.2. substituting earth rod with earth connection places into the soil.3. substitute earth rod with ground plate.4. the structure with buildings such as reinforcing bar, steelframe structures uses as earth rod.5. running water pipe is used as earth rod.6. make projection on the surface of earth rod, with the contact area of expansion with soil.
But there is following problem points in said method: 1. for earth rod is buried to groundwater level, earth rod must be made into respective length, even if modular, it also is very difficult that so long earth rod is imbedded level of ground water.2. earth connection is placed into the soil, and has the danger that electric leakage is got an electric shock.3. do not have the place of building structures such as reinforcing bar, steel construction or running water pipe, then can't use as earth rod.4. use ground plate, in the Surface Machining projection of earth rod, to enlarge the contact area with soil, can cause product size to become big, and production process is loaded down with trivial details, is difficult for operation.
The utility model content
In order to overcome the problems referred to above of existing earthing device, the utility model provides a kind of metal form earthing device of realizing with the physical method of non-environmental-pollution that can effectively discharge the electric equipment electric current.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of metal form earthing device, constitute by metal support and metal form, the metal support upper end is the auxilliary material of the block that is used for being connected with electric equipment, and metal form is installed on the metallic support external body.
Described metal support lower end is most advanced and sophisticated.
Described metal support is provided with notch, and metal form is clamped on the metallic support external body by notch, and notch outward flange and metal form outer surface are on same horizontal line.
Described metal form is the porous matter metal mesh structure of racemosus wooden fork.
The auxilliary material of described block is provided with the hole that is connected with electric equipment.
The auxilliary material of described block is provided with earth connection.
Described metal form is gold-plated template.
Metal form earthing device of the present utility model, the electric current that electric equipment is produced fully effectively is discharged in the soil, in the time of the protection electric equipment, human body is not produced harm, also can not cause environmental pollution.
Description of drawings
Fig. 1 is the overall structure figure of the utility model metal form earthing device.
Fig. 2 is the auxilliary equipment structure figure of the block of the utility model metal form earthing device the first half.
Fig. 3 is the structure chart of the utility model metal form earthing device the latter half.
Fig. 4 is the sectional structure chart of the utility model metal form earthing device.
Fig. 5 is the partial enlarged drawing of A part among Fig. 4.
Fig. 6 is the sectional structure chart in metal form earthing device of the present utility model is placed into the soil.
Fig. 7 is the partial enlarged drawing of B part among Fig. 6.
Wherein: 1, soil, 3, earth connection, 10, metal support, 11, the tip, 13, the screw projection, 17, notch, 30, metal form, 40, the auxilliary material of block, 41, donor, 43, projection, 45, the hole.
Embodiment
Shown in Fig. 1-7, metal form earthing device of the present utility model constitutes by clavate metal support 10 with the metal form 30 of metal support 10 integrated installations, metal form 30 is installed on metal support 10 outsides, metal support 10 adopts metal materials such as better conductivity copper, for the ease of inserting soil 1, be provided with tip 11 at its afterbody, even the diameter of termination is more and more littler, form triangle, thereby be convenient to insert soil 1.Metal support 10 can contact metal form 30 with soil 1 by in most advanced and sophisticated 11 reeves and placing into the soil.Metal support 10 is connected with electric equipment by the auxilliary material 40 of the block on top, and the overvoltage or the overcurrent that produces of being struck by lightning are conducted to metal form 30.Pass to the electric current of the electric equipment of metal support 10, major part conducts to metal form 30, and another part is fed directly in the soil 1 by the tip 11 that contacts with soil 1.The first half of metal support 10 is assisted material 40 for leading to block, and the auxilliary material 40 employing metal materials of block (such as: copper), be connected with electric equipment.The auxilliary material 40 of block is provided with hole 45 and the earth connection 3 that is connected with electric equipment.The both sides of U type donor 41 are provided with projection 43 on the auxilliary material 40 of block, auxilliary material 40 inboards of block are provided with screw thread, link together by will block a shot auxilliary material 40 and metal support 10 the latter halfs of the screw projection 13 of metal support 10 the latter halfs, making the auxilliary material 40 of block can be installed on the top of metal support 10 removably.The auxilliary material 40 of block can make 1 the metal support 10 of placing into the soil earth connection 3 replacing and safeguard convenient.11 tops, tip of metal support 10 are along with outward flange is provided with annular notch 17, with metal form 30 clampings in notch 17.Notch 17 outward flanges of metal form 30 outer surface edge lines and metal support 10 are on same horizontal line, therefore, not outstanding position between the outer surface of metal support 10 and metal form 30, metal support 10 is inserted in the soil 1 without any obstacle, in injecting soil 1 process, because the phenomenon that metal support 10 breaks away from can not appear in the support of notch 17.Metal form 30 with metal support 10 integrated installations, places into the soil 1 with metal support 10 in the outside of metal support 10.As shown in Figure 5, metal form 30 is the crisscross porous matter metal mesh structures of a plurality of branches, and the porosity reaches 89 ~ 97%, can be effectively with the current drain of electric equipment to soil 1.This metal form 30 is to put into thickener in metal (for example: silver, copper, aluminium etc.), after the raising viscosity, puts into blowing agent, produces gas from blowing agent, makes expansion of metal, forms the porous matter metal mesh structure with racemosus wooden fork.Metal form 30 preferably adopts gold-plated template, through in the silver-plated process, forms each branch of metal form 30 at electroplating bath, carries out gold-platedly with certain thickness, and prolonged the useful life of metal form 30 greatly.
As shown in Figure 6, because the contact area of place into the soil 1 metal form 30 and soil 1 is more a lot of greatly than in the past earth rod, therefore the electric current of the electric equipment that metal support 10 can be conducted effectively is disposed in the soil 1.Along with metal support 10 and metal form 30 inserts soil 1, earth in the soil 1 or steam fill up the pore of metal form 30, i.e. space between the branch densely with earth.When the earth of soil 1 fills up pore,, contact area is enlarged, thereby the electric current of electric equipment more effectively is discharged in the soil 1 because soil 1 contacts with numerous branches of metal form 30.
Though do not illustrate, earthing device of the present utility model also can be integrated installation metal form 30 in the outside of plate-shape metal supporter 10, metal support 10 is provided with notch 17 on the surface, metal form 30 clampings are got up.Plate-shape metal supporter 10 is different from bar-shaped metal support 10, is not hit to insert soil 1, carries out landfill but excavate soil 1, places into the soil in 1.The earth connection 3 of plate-shape metal supporter 10 by being connected in an end conducts to metal form 30 with the electric current of electric equipment, is discharged in the soil 1 by metal form 30.In the process of landfill metal form 30, because the earth in the soil 1 is filled the pore of metal form 30 densely, strengthened the contact area with soil 1, the electric current of electric equipment can effectively be emitted.
In sum; the physical method that adopts the utility model to adopt; because the contact area of earthing device and soil 1 is far longer than physical method in the past; can be with the electric current that electric equipment produced; effectively be discharged in the soil 1, in the time of the protection electric equipment, reduce harmfulness human body; and, reduce environmental pollution greatly owing to avoid using chemical method.
Claims (7)
1. metal form earthing device, it is characterized in that: constitute by metal support (10) and metal form (30), metal support (10) upper end is the auxilliary material (40) of the block that is used for being connected with electric equipment, and metal form (30) is installed on metal support (10) outside.
2. a kind of metal form earthing device according to claim 1 is characterized in that: described metal support (10) lower end is most advanced and sophisticated (11).
3. a kind of metal form earthing device according to claim 1, it is characterized in that: described metal support (10) is provided with notch (17), metal form (30) is clamped on metal support (10) outside by notch (17), and notch (17) outward flange and metal form (30) outer surface are on same horizontal line.
4. a kind of metal form earthing device according to claim 1 is characterized in that: described metal form (30) is the porous matter metal mesh structure of racemosus wooden fork.
5. a kind of metal form earthing device according to claim 1 is characterized in that: described block is assisted material (40) and is provided with the hole (45) that is connected with electric equipment.
6. a kind of metal form earthing device according to claim 1 is characterized in that: described block is assisted material (40) and is provided with earth connection (3).
7. a kind of metal form earthing device according to claim 1 is characterized in that: described metal form (30) is gold-plated template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200473863U CN201994434U (en) | 2011-02-25 | 2011-02-25 | Metal formwork earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200473863U CN201994434U (en) | 2011-02-25 | 2011-02-25 | Metal formwork earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994434U true CN201994434U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200473863U Expired - Fee Related CN201994434U (en) | 2011-02-25 | 2011-02-25 | Metal formwork earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994434U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979649A (en) * | 2015-07-23 | 2015-10-14 | 朱明德 | Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device |
| CN105071057A (en) * | 2015-07-23 | 2015-11-18 | 朱明德 | Grounding device used for electric power system, lightning system and petroleum chemical building |
| CN108232485A (en) * | 2018-03-20 | 2018-06-29 | 国网陕西省电力公司电力科学研究院 | A kind of explosion grounding low-resistance composite material |
-
2011
- 2011-02-25 CN CN2011200473863U patent/CN201994434U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979649A (en) * | 2015-07-23 | 2015-10-14 | 朱明德 | Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device |
| CN105071057A (en) * | 2015-07-23 | 2015-11-18 | 朱明德 | Grounding device used for electric power system, lightning system and petroleum chemical building |
| CN108232485A (en) * | 2018-03-20 | 2018-06-29 | 国网陕西省电力公司电力科学研究院 | A kind of explosion grounding low-resistance composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20120225 |