CN204680772U - A kind of portable stretchable high-voltage earthing line apparatus - Google Patents
A kind of portable stretchable high-voltage earthing line apparatus Download PDFInfo
- Publication number
- CN204680772U CN204680772U CN201520404747.3U CN201520404747U CN204680772U CN 204680772 U CN204680772 U CN 204680772U CN 201520404747 U CN201520404747 U CN 201520404747U CN 204680772 U CN204680772 U CN 204680772U
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- Prior art keywords
- expansion link
- line apparatus
- wire clamp
- earthing line
- voltage earthing
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 210000000162 simple eye Anatomy 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 18
- 238000005457 optimization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a kind of portable stretchable high-voltage earthing line apparatus, be made up of wire clamp, insulating bar and earth connection, the insulating telescopic bar that described insulating bar is not waited by four diameters forms, expansion link boring, and it is inner that the expansion link that diameter is little is enclosed within the large expansion link of diameter; The bottom of described expansion link and top are respectively equipped with a location hole; The inside of expansion link is provided with U-shaped Location resilient piece, is provided with positioning convex point in one end of U-shaped Location resilient piece; Positioning convex point is arranged in location hole; The top of minimum diameter expansion link is provided with wire clamp, and wire clamp is connected with one end of earth connection.The utility model is applicable to the maintenance of electrical equipment task of 220kV and following electric pressure, dramatically reduce the workload that maintainer carries multiple high-voltage earthing line apparatus simultaneously, it also avoid maintainer frequently changes the appearance of high-voltage earthing line apparatus probability because maintenance task changes simultaneously.Relative to existing portable high-voltage earthing line apparatus, the utility model is more easy, and practicality is higher, is applicable to field operation and uses.
Description
Technical field
The utility model belongs to electric power apparatus examination earth connection technical field, is specifically related to a kind of portable stretchable high-voltage earthing line apparatus.
Background technology
Transformer station is part indispensable in electric power system.Along with the fast development of electric power system, the quantity of transformer station sharply increases, and the maintenance of electrical equipment maintenance workload in transformer station also grows with each passing day.When carrying out interruption maintenance to electric equipment and safeguarding, high-voltage earthing line apparatus is one of indispensable instrument.The effect of high-voltage earthing line apparatus prevents from adjacent high-tension line or equipment from producing induced voltage or interruption maintenance equipment or the issuable induced voltage of circuit to dead line or equipment to work the mischief to human body.According to DL/T879-2004 " live line working portable ground connection and ground short circuit device " and GB26164.1-2010 " electrical safe working order " regulation, 10kV earth connection insulating bar length 1 meter; 35kV earth connection insulating bar length 1.5 meters; 110kV earth connection insulating bar length 2 meters; 220kV earth connection insulating bar length 2.5 meters.Therefore, be all equipped with the high-voltage earthing line apparatus of different insulative action bars length in the toolroom of most of transformer station, in order to the use of the repair and maintenance of different electric pressure electric equipment.When maintainer carries out repair and maintenance to the electric equipment of 10kV, 35kV, carrying high-voltage earthing line apparatus is also lighter; If when carrying out repair and maintenance to 110kV, 220kV electric equipment, carrying high-voltage earthing line apparatus is just very inconvenient.In addition, after maintainer has just processed the maintenance of electrical equipment task of an electric pressure, when being apprised of again the maintenance of electrical equipment task that will process another one electric pressure, often needing to come back to toolroom and change a kind of high-voltage earthing line apparatus, then go process maintenance task.So, work extremely passive, execution efficiency is also low.For above-mentioned situation, need to develop a kind of portable high-voltage earthing line apparatus, the repair and maintenance work of different electric pressure electric equipment can be adapted to, improve the work execution efficiency of maintainer.
Summary of the invention
The technical problems to be solved in the utility model be to provide a kind ofly to be easy to carry, can the high-voltage earthing line apparatus of telescopic adjustment insulating bar length, raising maintainer processes work execution efficiency during maintenance of electrical equipment task, reduces maintainer and carries high-voltage grounding wire working strength.
The utility model solves the problems of the technologies described above by the following technical programs:
A kind of portable stretchable high-voltage earthing line apparatus, be made up of wire clamp, insulating bar and earth connection, it is characterized in that, the insulating telescopic bar that described insulating bar is not waited by four diameters forms, expansion link boring, it is inner that the expansion link that diameter is little is enclosed within the large expansion link of diameter; The bottom of described expansion link and top are respectively equipped with a location hole; The inside of expansion link is provided with U-shaped Location resilient piece, is provided with positioning convex point in one end of U-shaped Location resilient piece; Positioning convex point is arranged in location hole; The top of minimum diameter expansion link is provided with wire clamp, and wire clamp is connected with one end of earth connection.
As optimization, described expansion link is up-thin-low-thick structure, and its cross section is isosceles trapezoid;
As optimization, described wire clamp and insulating bar are screwed up by screw thread mouth, facilitate the replacing of wire clamp;
As optimization, be provided with spring attachment in described wire clamp, described spring attachment is made up of two tongue bayonet socket and spring, and described bayonet socket is arc, and two bayonet sockets are compressed mutually by spring; Easy to operate, effectively can ensure wire clamp locking wire, avoid wire clamp because the fortuitous event that external force drops from wire occurs;
As optimization, the head end of described earth connection is eyes copper tip, and end is simple eye earth terminal; Described eyes copper tip is fixed by screws in wire clamp, facilitates earth connection to change;
As optimization, the lower end of described insulating bar is provided with handle, and described handle skin is elastomeric material, and with striped, and dielectric strength is high and have antiskid function.
The utility model provides a kind of portable stretchable high-voltage earthing line apparatus, be applicable to the maintenance of electrical equipment task of 220kV and following electric pressure, four kinds of portable high-voltage earthing line apparatus of 1 meter, 1.5 meters, 2 meters, 2.5 meters long are integrated into a portable high-voltage earthing line apparatus by this utility model, dramatically reduce the workload that maintainer carries multiple high-voltage earthing line apparatus simultaneously, it also avoid maintainer frequently changes the appearance of high-voltage earthing line apparatus probability because maintenance task changes simultaneously.Relative to existing portable high-voltage earthing line apparatus, the utility model is more easy, and practicality is higher, is applicable to field operation and uses.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the utility model embodiment partial sectional view;
Wherein, 1 is wire clamp; 2 is bayonet sockets; 21 is springs; 3 is Location resilient pieces; 31 is positioning convex points; 4 is insulating bars; 41 is location holes; 5 is handles; 6 is screws; 7 is eyes copper tips; 8 is earth connections; 9 is earth terminals.
Embodiment
Content of the present utility model is set forth further below in conjunction with drawings and Examples.
A kind of portable stretchable high-voltage earthing line apparatus, is made up of wire clamp 1, insulating bar 4 and earth connection 8, and the insulating telescopic bar that described insulating bar 4 is not waited by four diameters forms, wherein long 1 meter of the expansion link of largest diameter, long 0.5 meter of other expansion links; Described expansion link is up-thin-low-thick structure, and its cross section is isosceles trapezoid; Expansion link boring, it is inner that the expansion link that diameter is little is enclosed within the large expansion link of diameter; The bottom of described expansion link and top are respectively equipped with a location hole 41; The inside of expansion link is provided with U-shaped Location resilient piece 3, is provided with positioning convex point 31 in one end of U-shaped Location resilient piece; Positioning convex point 31 to be arranged in location hole 41; The top of minimum diameter expansion link screws up wire clamp 1 by screw thread mouth, facilitates the replacing of wire clamp 1, and wire clamp is conductive metal material material; Be provided with spring attachment in described wire clamp 1, described spring attachment is made up of two tongue bayonet socket 2 and spring 21, and described bayonet socket 2 is arc, and two bayonet sockets 2 are compressed mutually by spring 21; Easy to operate, effectively can ensure that wire clamp 1 locks wire, avoid wire clamp 1 because the fortuitous event that external force drops from wire occurs; Wire clamp 1 is connected with one end of earth connection 8; The head end of described earth connection 8 is eyes copper tip 7, and end is simple eye earth terminal 9; Described eyes copper tip 7 is fixed in wire clamp 1 by screw 6, facilitates earth connection to change; The lower end of described insulating bar 4 is provided with handle 5, and described handle 5 skin is elastomeric material, and with striped, and dielectric strength is high and have antiskid function.
During use, the electric pressure of the equipment overhauled as required, is pulled to designated length by insulating bar, is stuck in the location hole 41 of two expansion links by the positioning convex point 31 on U-shaped Location resilient piece 3, makes the stable connection of insulating bar; After wire clamp 1 being rotatably mounted on the top of insulating bar 4, re-using screw 6 and earth connection is fixedly mounted in wire clamp 1 through eyes copper tip 7; By hand-held insulating bar handle, wire clamp 1 is clipped on wire, more simple eye for the earth connection in three phase lines earth terminal 9 is connected with ground wire, namely complete earth connection operation.After finishing using, pressing positioning convex point 31, after making it the location hole 41 on disengaging insulating bar top, insulating bar is carried out shrinkage operation, now positioning convex point 31 is stuck on the location hole 41 of insulating bar lower end, can not rock, then earth connection is wrapped on insulating bar, namely can carry with.
It is simple that the utility model puies forward structure, be applicable to the maintenance of electrical equipment task of 220kV and following electric pressure, four kinds of portable high-voltage earthing line apparatus of 1 meter, 1.5 meters, 2 meters, 2.5 meters long are integrated into a portable high-voltage earthing line apparatus by this utility model, dramatically reduce the workload that maintainer carries multiple high-voltage earthing line apparatus simultaneously, it also avoid maintainer frequently changes the appearance of high-voltage earthing line apparatus probability because maintenance task changes simultaneously.
Claims (6)
1. a portable stretchable high-voltage earthing line apparatus, be made up of wire clamp, insulating bar and earth connection, it is characterized in that, the insulating telescopic bar that described insulating bar is not waited by four diameters forms, expansion link boring, it is inner that the expansion link that diameter is little is enclosed within the large expansion link of diameter; The bottom of described expansion link and top are respectively equipped with a location hole; The inside of expansion link is provided with U-shaped Location resilient piece, is provided with positioning convex point in one end of U-shaped Location resilient piece; Positioning convex point is arranged in location hole; The top of minimum diameter expansion link is provided with wire clamp, and wire clamp is connected with one end of earth connection.
2. portable stretchable high-voltage earthing line apparatus as claimed in claim 1, it is characterized in that, described expansion link is up-thin-low-thick structure, and its cross section is isosceles trapezoid.
3. portable stretchable high-voltage earthing line apparatus as claimed in claim 1, it is characterized in that, described wire clamp and insulating bar are screwed up by screw thread mouth.
4. portable stretchable high-voltage earthing line apparatus as claimed in claim 1, it is characterized in that, be provided with spring attachment in described wire clamp, described spring attachment is made up of two tongue bayonet socket and spring, described bayonet socket is arc, and two bayonet sockets are compressed mutually by spring.
5. portable stretchable high-voltage earthing line apparatus as claimed in claim 1, it is characterized in that, the head end of described earth connection is eyes copper tip, and end is simple eye earth terminal; Described eyes copper tip is fixed by screws in wire clamp.
6. portable stretchable high-voltage earthing line apparatus as claimed in claim 1, it is characterized in that, the lower end of described insulating bar is provided with handle, and described handle skin is elastomeric material, and with striped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404747.3U CN204680772U (en) | 2015-06-12 | 2015-06-12 | A kind of portable stretchable high-voltage earthing line apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404747.3U CN204680772U (en) | 2015-06-12 | 2015-06-12 | A kind of portable stretchable high-voltage earthing line apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680772U true CN204680772U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520404747.3U Expired - Fee Related CN204680772U (en) | 2015-06-12 | 2015-06-12 | A kind of portable stretchable high-voltage earthing line apparatus |
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| CN (1) | CN204680772U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437203A (en) * | 2015-11-20 | 2016-03-30 | 国网山东青州市供电公司 | Spring type high-voltage grounding wire operating rod lengthening device |
| CN105958235A (en) * | 2016-06-23 | 2016-09-21 | 国家电网公司 | Portable special ground wire for strain tower |
| CN105958380A (en) * | 2016-06-16 | 2016-09-21 | 国网黑龙江省电力有限公司检修公司 | Overhead power transmission line telescopic grounding wire hanging rod and hanging method |
| CN106785521A (en) * | 2016-11-29 | 2017-05-31 | 国家电网公司 | A kind of combined type ground wire group |
| CN108418006A (en) * | 2018-04-28 | 2018-08-17 | 广东电网有限责任公司 | It is a kind of to combine flexible ground wire operating lever |
| CN108832327A (en) * | 2018-04-28 | 2018-11-16 | 国家电网公司 | High-voltage conducting wires feud device |
| CN108919164A (en) * | 2018-06-12 | 2018-11-30 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of Portable mutual inductor check bar and its application method |
| CN109342770A (en) * | 2018-10-31 | 2019-02-15 | 国网天津市电力公司 | Outdoor CT polarity test auxiliary rod |
| CN116865062A (en) * | 2023-05-29 | 2023-10-10 | 湖北清江水电开发有限责任公司 | Electric insulating rod grounding wire traction structure and operation method thereof |
-
2015
- 2015-06-12 CN CN201520404747.3U patent/CN204680772U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437203A (en) * | 2015-11-20 | 2016-03-30 | 国网山东青州市供电公司 | Spring type high-voltage grounding wire operating rod lengthening device |
| CN105958380A (en) * | 2016-06-16 | 2016-09-21 | 国网黑龙江省电力有限公司检修公司 | Overhead power transmission line telescopic grounding wire hanging rod and hanging method |
| CN105958235A (en) * | 2016-06-23 | 2016-09-21 | 国家电网公司 | Portable special ground wire for strain tower |
| CN106785521A (en) * | 2016-11-29 | 2017-05-31 | 国家电网公司 | A kind of combined type ground wire group |
| CN108418006A (en) * | 2018-04-28 | 2018-08-17 | 广东电网有限责任公司 | It is a kind of to combine flexible ground wire operating lever |
| CN108832327A (en) * | 2018-04-28 | 2018-11-16 | 国家电网公司 | High-voltage conducting wires feud device |
| CN108919164A (en) * | 2018-06-12 | 2018-11-30 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of Portable mutual inductor check bar and its application method |
| CN109342770A (en) * | 2018-10-31 | 2019-02-15 | 国网天津市电力公司 | Outdoor CT polarity test auxiliary rod |
| CN116865062A (en) * | 2023-05-29 | 2023-10-10 | 湖北清江水电开发有限责任公司 | Electric insulating rod grounding wire traction structure and operation method thereof |
| CN116865062B (en) * | 2023-05-29 | 2024-05-28 | 湖北清江水电开发有限责任公司 | Electric insulating rod grounding wire traction structure and operation method thereof |
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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: 20150930 Termination date: 20180612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |