CN203760876U - Simple grounding grid overhaul device - Google Patents
Simple grounding grid overhaul device Download PDFInfo
- Publication number
- CN203760876U CN203760876U CN201320896237.3U CN201320896237U CN203760876U CN 203760876 U CN203760876 U CN 203760876U CN 201320896237 U CN201320896237 U CN 201320896237U CN 203760876 U CN203760876 U CN 203760876U
- Authority
- CN
- China
- Prior art keywords
- earth rod
- grounding
- ironware
- heart yearn
- repair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 46
- 229910052802 copper Inorganic materials 0.000 claims description 46
- 239000010949 copper Substances 0.000 claims description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 10
- 238000002788 crimping Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model provides a simple grounding grid overhaul device which comprises an overhaul grounding mechanism, and a maintenance electric welding machine which can be utilized to maintain a fault. The overhaul grounding mechanism includes a grounding rod A having a grounding function, a grounding rod B having a grounding function, and a pair of insulating pliers, wherein the grounding rod A and the grounding rod B are provided with iron members. The simple grounding grid overhaul device aims at solving a problem that in a conventional device in the prior art, electric leakage occurs when a grounding wire is disengaged with a grounding body or a ground grid, comprises the overhaul grounding mechanism and the maintenance electric welding machine which is capable of repairing a fault, and thus can reduce a contact voltage and a step voltage significantly, and the major part of the fault power supply flows to the ground through the grounding grid to a vertical electrode, and correspondingly the scattered flow of a horizontal conductor is reduced.
Description
Technical field
The utility model relates to the technical field of ground network electric power overhaul, is specifically related to a kind of simple and easy ground network apparatus for examination and repair.
Background technology
In recent years, along with increasing rapidly of electrical network scale, transformer station and number of, lines sharply increase, due to equipment long-play, once some are related to that the earth electrode of power transformation, circuit, platform district equipment of life security or ground network corrosion occur and departs from, and will cause great security incident.In this case, require on the one hand O&M department to strengthen equipment-patrolling and maintenance, need on the other hand by adopting simple and easy ground connection apparatus for examination and repair to improve overhaul of the equipments efficiency, thus the operation of raising equipment security and stability.
In the time that operating power transformation, line facility occur ground connection because of the reduction of being struck by lightning or insulating, earth electrode, the ground network of circuit have just been brought into play important safety effect.High-voltage transforming or circuit produce high pressure electric leakage by ground connection, will cause protective earthing tripping operation, if but equipment ground line departs from earth electrode or ground network, will produce the high voltage that strides, harm personal security; Meanwhile, once equipment electric leakage can cause electric shock casualty accident when people touches electric leakage equipment, when electric equipment electric leakage, will cause as short trouble burning apparatus if cut off the electricity supply not in time.
Utility model content
For above problems of the prior art, the utility model provides a kind of simple and easy ground network apparatus for examination and repair, so just can just can avoid when mounted need the have a power failure way of work of closely-spaced installation and maintenance.
The utility model is achieved through the following technical solutions:
A kind of simple and easy ground network apparatus for examination and repair, include inspection earthing mechanism and the maintenance electric welding machine that can keep in repair fault, inspection earthing mechanism includes the earth rod A with grounding function, there is the earth rod B of grounding function, there is the insulated pliers of insulation function, on earth rod A and earth rod B, be all provided with ironware, the ironware of the ironware of described earth rod A and earth rod B is all crimped with the insulated copper heart yearn with insulation function by copper cash nose, the other end of the upper insulated copper heart yearn connecting of earth rod A is pressed and is connected with insulated pliers by copper cash nose, the other end of the upper insulated copper heart yearn connecting of earth rod B is connected on the insulated copper heart yearn being connected with earth rod A.
On the shell of maintenance electric welding machine, be connected with earth rod C by insulated copper heart yearn, earth rod C is provided with ironware, and one end of insulated copper heart yearn is by the ironware crimping on copper cash nose and earth rod C.
Earth rod A, earth rod B and earth rod C are cylindrical steel, and the Φ of cylindrical steel is 16mm, and the length of cylindrical steel is 80cm, and cylindrical steel one end is that pinching degree is 20 aspects, and the pinching end 70cm place apart from cylindrical steel on cylindrical steel is provided with ironware.
The thickness of ironware is 20mm, and the length of ironware is 60mm, and the width of ironware is 40mm.
The insulated copper heart yearn total length that earth rod A connects is 10m, and the total length of the insulated copper heart yearn that earth rod B connects is 6m, and the total length of the insulated copper heart yearn that earth rod C connects is 4m, and the radius of insulated copper heart yearn is 5mm.
Crimping place of ironware and copper cash nose is provided with presses hole.
Pressing the diameter in hole is 12mm.
The area of copper cash nose is 25mm
2.
The beneficial effects of the utility model are: can produce the problem of electric leakage for existing technical equipment earth connection disengaging earth electrode or ground network, adopt inspection earthing mechanism and the maintenance electric welding machine that can keep in repair fault, therefore just can reduce significantly touch voltage and step voltage, most of trouble power flows into the corresponding diffusing amount that has reduced horizontal conductor of the earth by ground network to the vertical utmost point.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1 is inspection earthing mechanism; 2 is maintenance electric welding machine; 3 is earth rod A; 4 is earth rod B; 5 is earth rod C; 6 is insulated copper heart yearn; 7 is ironware; 8 is copper cash nose; 9 for pressing hole; 10 is insulated pliers.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
The utility model provides a kind of simple and easy ground network apparatus for examination and repair, includes inspection earthing mechanism and the maintenance electric welding machine that can keep in repair fault; Inspection earthing mechanism include have grounding function earth rod A, have grounding function earth rod B, there is the insulated pliers of insulation function, on earth rod A and earth rod B, be all provided with ironware, the ironware of the ironware of earth rod A and earth rod B is all crimped with the insulated copper heart yearn with insulation function by copper cash nose, the other end of the upper insulated copper heart yearn connecting of earth rod A is pressed and is connected with insulated pliers by copper cash nose, and the other end of the upper insulated copper heart yearn connecting of earth rod B is connected on the insulated copper heart yearn being connected with earth rod A; On the shell of maintenance electric welding machine, be connected with earth rod C by insulated copper heart yearn, earth rod C is provided with ironware, and one end of insulated copper heart yearn is by the ironware crimping on copper cash nose and earth rod C; Earth rod A, earth rod B and earth rod C are cylindrical steel, and the Φ of cylindrical steel is 16mm, and the length of cylindrical steel is 80cm, cylindrical steel one end is that pinching degree is 20 aspects, electric conductivity is best, and the pinching end 70cm place apart from cylindrical steel on cylindrical steel is provided with ironware, connects effect best; The thickness of ironware is 20mm, and the length of ironware is 60mm, and the width of ironware is 40mm, and the effect of conduction is best, and connects the most firm; The insulated copper heart yearn total length that earth rod A connects is 10m, and the total length of the insulated copper heart yearn that earth rod B connects is 6m, and the total length of the insulated copper heart yearn that earth rod C connects is 4m, and the radius of insulated copper heart yearn is 5mm; Crimping place of ironware and copper cash nose is provided with presses hole; Pressing the diameter in hole is 12mm, there is the effect of highly significant to reducing touch voltage and step voltage, the gravitation of earthing device ground connection plumb pile, reduce earth potential, directly touching step voltage all has direct relation (drainage), and most of trouble power flows into the corresponding diffusing amount that has reduced horizontal conductor of the earth by ground network to the vertical utmost point.The maintenance easy device of ground network is provisional, just removes, in case two earth electrodes produce potential difference after ground connection or ground network repair.
When construction, when the annual test of general transformer station is worked, one, secondary device all has a power failure, inlet wire line side is charged, for the touch voltage and step voltage that prevents from constructing that time contact electric leakage produces, make simple and easy earthing device, when construction, must wear insulated shoes, hand strap insulating gloves, first two ground studs of easy temporary grounding line apparatus are first laid to 70 centimeters with iron hammer, again insulated pliers is clamped on ground connection band iron or round steel, need to weld ground connection time, facade does too like this, on shell of electric welding machine, connect an earth rod, there is the effect of highly significant to reducing touch voltage and step voltage, the gravitation of earthing device ground connection plumb pile, reduce earth potential, directly touch step voltage and all have direct relation (drainage), most of trouble power flows into the corresponding diffusing amount that has reduced horizontal conductor of the earth by ground network to the vertical utmost point.The maintenance easy device of ground network is provisional, just removes, in case two earth electrodes produce potential difference after ground connection or ground network repair.
The utility model departs from earth electrode for existing technical equipment earth connection or ground network can produce the problem of electric leakage, adopt easily can provisional inspection earthing inspection earthing mechanism and the maintenance electric welding machine that can keep in repair fault, therefore just can reduce significantly touch voltage and step voltage, most of trouble power flows into the corresponding diffusing amount that has reduced horizontal conductor of the earth by ground network to the vertical utmost point.
Claims (8)
1. a simple and easy ground network apparatus for examination and repair, it is characterized in that: include inspection earthing mechanism and the maintenance electric welding machine that can keep in repair fault, inspection earthing mechanism includes the earth rod A with grounding function, there is the earth rod B of grounding function, there is the insulated pliers of insulation function, on earth rod A and earth rod B, be all provided with ironware, the ironware of the ironware of described earth rod A and earth rod B is all crimped with the insulated copper heart yearn with insulation function by copper cash nose, the other end of the upper insulated copper heart yearn connecting of earth rod A is pressed and is connected with insulated pliers by copper cash nose, the other end of the upper insulated copper heart yearn connecting of earth rod B is connected on the insulated copper heart yearn being connected with earth rod A.
2. the simple and easy ground network apparatus for examination and repair of one according to claim 1, it is characterized in that: on the shell of maintenance electric welding machine, be connected with earth rod C by insulated copper heart yearn, earth rod C is provided with ironware, and one end of insulated copper heart yearn is by the ironware crimping on copper cash nose and earth rod C.
3. the simple and easy ground network apparatus for examination and repair of one according to claim 2, it is characterized in that: earth rod A, earth rod B and earth rod C are cylindrical steel, the Φ of cylindrical steel is 16mm, the length of cylindrical steel is 80cm, cylindrical steel one end is that pinching degree is 20 aspects, and the pinching end 70cm place apart from cylindrical steel on cylindrical steel is provided with ironware.
4. the simple and easy ground network apparatus for examination and repair of one according to claim 1, is characterized in that: the thickness of ironware is 20mm, the length of ironware is 60mm, and the width of ironware is 40mm.
5. the simple and easy ground network apparatus for examination and repair of one according to claim 1, it is characterized in that: the insulated copper heart yearn total length that earth rod A connects is 10m, the total length of the insulated copper heart yearn that earth rod B connects is 6m, the total length of the insulated copper heart yearn that earth rod C connects is 4m, and the radius of insulated copper heart yearn is 5mm.
6. the simple and easy ground network apparatus for examination and repair of one according to claim 1, is characterized in that: crimping place of ironware and copper cash nose is provided with presses hole.
7. the simple and easy ground network apparatus for examination and repair of one according to claim 1, is characterized in that: pressing the diameter in hole is 12mm.
8. the simple and easy ground network apparatus for examination and repair of one according to claim 1, is characterized in that: the area of copper cash nose is 25mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896237.3U CN203760876U (en) | 2013-12-31 | 2013-12-31 | Simple grounding grid overhaul device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896237.3U CN203760876U (en) | 2013-12-31 | 2013-12-31 | Simple grounding grid overhaul device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760876U true CN203760876U (en) | 2014-08-06 |
Family
ID=51256113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896237.3U Expired - Fee Related CN203760876U (en) | 2013-12-31 | 2013-12-31 | Simple grounding grid overhaul device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746305A (en) * | 2013-12-31 | 2014-04-23 | 国家电网公司 | Simple and easy grounding grid overhauling device |
-
2013
- 2013-12-31 CN CN201320896237.3U patent/CN203760876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746305A (en) * | 2013-12-31 | 2014-04-23 | 国家电网公司 | Simple and easy grounding grid overhauling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |