CN103928814A - Grounding gun for grounding wire of high-voltage equipment - Google Patents
Grounding gun for grounding wire of high-voltage equipment Download PDFInfo
- Publication number
- CN103928814A CN103928814A CN201410183274.9A CN201410183274A CN103928814A CN 103928814 A CN103928814 A CN 103928814A CN 201410183274 A CN201410183274 A CN 201410183274A CN 103928814 A CN103928814 A CN 103928814A
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- rifle
- electromagnet
- earth connection
- insulating bar
- tension apparatus
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Abstract
The invention discloses a grounding gun for a grounding wire of high-voltage equipment. The grounding gun for the grounding wire of the high-voltage equipment comprises a gun head and an insulation rod which are connected. A cavity is formed inside the gun head. A power source, an electromagnet and a pull switch are arranged in the cavity. A power source is connected with the electromagnet through the pull switch and a connection guide line. The upper end of a pull rope of the pull switch is connected with a movable contact of the pull switch. One end of the power source is connected with one static contact of the pull switch through a guide line. One end of an electromagnet coil of the electromagnet is connected with the other static contact of the pull switch through a guide line. A pull switch housing and a stay wire are electrical insulators. The power source and the electromagnet are connected with the inner wall of the cavity through an insulation rubber board. The lower portion of the gun head is provided with a gun head opening. The gun head opening is combined and connected with an electrical insulation end cover through a screw and a nut. The end cover is connected with the insulation rod. The grounding gun for the grounding wire of the high-voltage equipment is compact in structure and convenient to operate. The safety and reliability of the grounding wire assembling work can be ensured, personal injury to operators from high voltage is avoided, and the efficiency of the grounding wire assembling and disassembling work is improved.
Description
Technical field
The present invention relates to high voltage equipment ground protection equipment technical field, the ground connection rifle that particularly a kind of high-tension apparatus earth connection is used.
Background technology
During the high-tension apparatus interruption maintenances such as transformer station, transmission line, distribution line, be to guarantee that staff's security needs are at the side installing earth connection of may sending a telegram here, need be by power failure equipments three-phase shortcircuit ground connection during according to pertinent regulations high-tension apparatus interruption maintenance, earth connection connects the high-tension apparatus part spring clips that adopt more, solid for guaranteeing that folder is firmly linked with, the general hypertonic power of this spring clip is larger.Ground connection rifle is instrument used when installing or removing earth connection, the mode of existing ground connection rifle for manually firmly spring clip being pulled open.
The mode of existing ground connection rifle for manually firmly spring clip being pulled open.Because earth connection spring clip hypertonic power is larger, pull open need to be larger strength, be unfavorable for efficiently carrying out the work.Because employing power part, existing ground connection gunman often there is the problems such as machinery card plucked instrument with the steel wire junction of rifle head part simultaneously; for grid switching operation installing, dismounting earth connection bring a lot of troubles, the ground connection rifle repair and replacement that often machinery card plucked instrument damages on the other hand cause economic loss.The object of the invention is to design a kind of handled easily, save the ground connection rifle of manpower, make installing, remove completing of earth connection work convenience and high-efficiency.
Summary of the invention
Object of the present invention is exactly the problems referred to above that exist for solving prior art, the ground connection rifle that provides a kind of high-tension apparatus earth connection to use, after utilizing winding coil energising of electromagnetic induction principle design, generation magnetic force is inhaled earth connection spring clip to open, earth connection retracting spring folder after power-off.
The technical scheme of technical solution problem of the present invention is:
The ground connection rifle that a kind of high-tension apparatus earth connection is used, comprise the rifle head being connected, insulating bar, described rifle head inside is provided with cavity, in described cavity, be provided with power supply, electromagnet, pulling switch, described power supply is connected with electromagnet by pulling switch and connection wire, wherein the stay cord upper end of pulling switch is connected with the moving contact of pulling switch, power supply one end is connected with a fixed contact of pulling switch by wire, electromagnet coil one end of electromagnet is connected with the another one fixed contact of pulling switch by wire, described pulling switch shell and bracing wire are electrical insulator, described power supply, electromagnet is connected with cavity inner wall by insulating rubber slab, described rifle head bottom is provided with rifle head opening, described rifle head opening and electric insulation end cap are connected by screw-nut, described end cap is connected with insulating bar.
Described end cap bottom is provided with cylinder ring, the endoporus of cylinder ring connects end cap, the periphery of cylinder ring is provided with external screw thread, described insulating bar is hollow stem, described hollow stem upper end is provided with internal thread, described cylinder ring, insulating bar connect by external screw thread, internal thread, and the hand griping position of insulating bar bottom is provided with bracing wire outlet, the stay cord lower end of described pulling switch from the endoporus of cylinder ring, protruding in the bracing wire of hollow stem outlet.
The length of described stay cord is more than or equal to the length of insulating bar, and described stay cord lower end is provided with projection.By projection, prevent that careless or other reason in stay cord lower end from falling into the inside of hollow stem.
Described rifle head coordinates with earth connection spring clip movable end, and described earth connection spring clip movable end adopts aluminium alloy to make, and earth connection spring clip movable end outside is set with steel shell.The charged rear generation magnetic force of electromagnet coil is inhaled earth connection spring clip movable end to open, and disconnects control switch and makes coil blackout discharge earth connection spring clip movable end.Aluminium-alloy pipe guarantees under durable prerequisite, and can not adsorb tube wall after can making coil charged, and steel shell not only can, for the absorption of ground connection rifle coil, can effectively prevent that earth connection spring clip is worn and torn by ground connection rifle simultaneously.The ground connection rifle mid portion that high-tension apparatus earth connection is used adopts insulating bar, and the length of insulating bar depends on the electric pressure of the high-tension apparatus being used for, and must be greater than the minimum safe distance of the high-tension apparatus electric pressure being used for.Described power supply, electromagnet coil are connected to avoid the coil of rifle head and power supply and appearance insulation to form connecting circuit with cavity inner wall by insulating rubber slab.
The sidewall of described cavity is provided with indicator light fixing hole, and indicator light is installed on fixing hole, and described indicator light and electromagnet are parallel to power supply.Whether be convenient to observe electromagnet in thering is the state of suction,
Described rifle head and insulating bar are threaded connection, and wherein rifle head is external screw thread.The length of described stay cord is more than or equal to the length of insulating bar.
12V direct current rechargable power supplies for described power acquisition.The maximum pull when number of turn of electromagnet insulated coil, size of current need to be pulled open according to earth connection spring clip is determined.
Insulating bar lower end is provided with the sealing block that overall dimension is greater than insulating bar outside dimension.
Beneficial effect of the present invention:
1. compact conformation of the present invention, easy to operate, save manpower, can ensure the safe and reliable property of installing earth connection, prevent the personal injury of high pressure to operator, improve installing, remove the efficiency of earth connection work.
2. aluminium-alloy pipe quality is light, durable, and can not adsorb tube wall after can making coil charged, and steel shell, not only for the absorption of ground connection rifle coil, can effectively prevent that earth connection spring clip is worn and torn by ground connection rifle simultaneously simultaneously.
3. described in, power supply, electromagnet coil are connected to avoid the coil of rifle head and power supply and appearance insulation to form connecting circuit with cavity inner wall by insulating rubber slab, guarantee the security reliability of using under high pressure conditions.
4. described in, the sidewall of cavity is provided with the indicator light being connected with power supply, whether is convenient to observe electromagnet in having the state of suction; Adopt DC power supply to adopt 12V rechargable power supplies, easy to carry, be convenient in the wild and be inconvenient to obtain the occasion use of other power supply.
5. described in, rifle head and insulating bar are threaded connection, and wherein rifle head is external screw thread, is convenient to dismounting, keep in repair and change easy to operate.
By sealing block realize hollow stem inside sealing, reduce dust magazine and enter a flexibility and reliability of avoiding affecting pulling switch, while holding, prevent that hand from coming off from hollow stem end simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
In order to understand better the present invention, below in conjunction with accompanying drawing, explain in detail embodiments of the present invention.
As shown in Figure 1, the ground connection rifle that a kind of high-tension apparatus earth connection is used, comprise the insulation rifle head 1 being connected, insulating bar 4, described rifle head 1 inside is provided with cavity 12, in described cavity 12, be provided with power supply 22, electromagnet 21, pulling switch 33, described power supply 22 is connected with electromagnet 21 by pulling switch 33 and connection wire, wherein stay cord 31 upper ends of pulling switch 33 are connected with the moving contact of pulling switch, power supply 22 one end are connected with a fixed contact of pulling switch 33 by wire, electromagnet coil one end of electromagnet 21 is connected with the another one fixed contact of pulling switch 33 by wire, described pulling switch 33 shells and bracing wire 31 are electrical insulator.Described rifle head 1 bottom is provided with rifle head opening, and described rifle head opening combines 6 with electric insulation end cap 5 by screw-nut and is connected, and described end cap 5 is connected with insulating bar 4.
Described end cap 5 bottoms are provided with cylinder ring 51, the endoporus 52 of cylinder ring 51 connects end cap 5, the periphery of cylinder ring 51 is provided with external screw thread, described insulating bar 4 is hollow stem, described hollow stem upper end is provided with internal thread, described cylinder ring 51, insulating bar 4 passes through external screw thread, screw-internal thread fit connects, the hand griping position of insulating bar bottom is provided with bracing wire outlet 36, stay cord 31 lower ends of described pulling switch 33 are from the endoporus of cylinder ring, it is 36 interior protruding that the bracing wire of hollow stem exports, described stay cord lower end is provided with projection 32, by projection 32, prevent that careless or other reason in stay cord lower end from falling into the inside of hollow stem.
The length of described stay cord 31 is more than or equal to the length of insulating bar.
Described rifle head 1 coordinates with earth connection spring clip movable end, and described earth connection spring clip movable end adopts aluminium alloy to make, and earth connection spring clip movable end outside is set with steel shell.The charged rear generation magnetic force of electromagnet coil is inhaled earth connection spring clip movable end to open, and disconnects control switch and makes coil blackout discharge earth connection spring clip movable end.Aluminium-alloy pipe guarantees under durable prerequisite, and can not adsorb tube wall after can making coil charged, and steel shell not only can, for the absorption of ground connection rifle coil, can effectively prevent that earth connection spring clip is worn and torn by ground connection rifle simultaneously.The ground connection rifle mid portion that high-tension apparatus earth connection is used adopts insulating bar, and the length of insulating bar depends on the electric pressure of the high-tension apparatus being used for, and must be greater than the minimum safe distance of the high-tension apparatus electric pressure being used for.
Described power supply 22, electromagnet coil are connected to avoid the coil 21 of rifle head and power supply and appearance insulation to form connecting circuit with cavity inner wall by insulating rubber slab.
The sidewall of described cavity 12 is provided with indicator light fixing hole, and indicator light 34 is installed on fixing hole, and described indicator light 34 is parallel to power supply 22 with electromagnet 21.
12V direct current rechargable power supplies for described power acquisition.The maximum pull when number of turn of electromagnet insulated coil, size of current need to be pulled open according to earth connection spring clip is determined.
Insulating bar 4 lower ends are provided with the sealing block 35 that overall dimension is greater than insulating bar outside dimension, by sealing block realize hollow stem inside sealing, reduce dust magazine and enter a flexibility and reliability of avoiding affecting pulling switch, while holding, prevent that hand from coming off from hollow stem end simultaneously.
During use, draw the stay cord of pulling switch, when indicator light is bright, pulling switch is in on-state, now power supply 22 and electromagnet 21 are in conducting state, the ground connection rifle rifle head that high-tension apparatus earth connection is used is aimed at earth connection spring clip movable end, and the charged generation magnetic force of coil is inhaled earth connection spring clip movable end to open; Draw the stay cord of pulling switch, indicator light extinguishes, and pulling switch is in off-state, and now power supply 22 is with electromagnet 21 in not on-state, and coil blackout discharges earth connection spring clip movable end.
Although above-mentioned, by reference to the accompanying drawings the embodiment of invention is described; but be not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (8)
1. the ground connection rifle that high-tension apparatus earth connection is used, comprise the rifle head being connected, insulating bar, described rifle head inside is provided with cavity, in described cavity, be provided with power supply, electromagnet, pulling switch, described power supply is connected with electromagnet by pulling switch and connection wire, wherein the stay cord upper end of pulling switch is connected with the moving contact of pulling switch, power supply one end is connected with a fixed contact of pulling switch by wire, electromagnet coil one end of electromagnet is connected with the another one fixed contact of pulling switch by wire, described pulling switch shell and bracing wire are electrical insulator, described power supply, electromagnet is connected with cavity inner wall by insulating rubber slab, described rifle head bottom is provided with rifle head opening, described rifle head opening and electric insulation end cap are connected by screw-nut, described end cap is connected with insulating bar.
2. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, it is characterized in that, described end cap bottom is provided with cylinder ring, the endoporus of cylinder ring connects end cap, the periphery of cylinder ring is provided with external screw thread, described insulating bar is hollow stem, described hollow stem upper end is provided with internal thread, described cylinder ring, insulating bar connect by external screw thread, internal thread, the hand griping position of insulating bar bottom is provided with bracing wire outlet, the stay cord lower end of described pulling switch from the endoporus of cylinder ring, protruding in the bracing wire of hollow stem outlet.
3. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, is characterized in that, the length of described stay cord is more than or equal to the length of insulating bar, and described stay cord lower end is provided with projection.
4. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, it is characterized in that, described rifle head coordinates with earth connection spring clip movable end, and described earth connection spring clip movable end adopts aluminium alloy to make, and earth connection spring clip movable end outside is set with steel shell.
5. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, is characterized in that, the sidewall of described cavity is provided with indicator light fixing hole, and indicator light is installed on fixing hole, and described indicator light and electromagnet are parallel to power supply.
6. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, is characterized in that, described rifle head and insulating bar are threaded connection, and wherein rifle head is external screw thread.
7. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, is characterized in that, 12V direct current rechargable power supplies for described power acquisition.
8. the ground connection rifle that high-tension apparatus earth connection as claimed in claim 1 is used, is characterized in that, described insulating bar lower end is provided with the sealing block that overall dimension is greater than insulating bar outside dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183274.9A CN103928814B (en) | 2014-04-30 | 2014-04-30 | The ground connection rifle of high-tension apparatus earth connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183274.9A CN103928814B (en) | 2014-04-30 | 2014-04-30 | The ground connection rifle of high-tension apparatus earth connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103928814A true CN103928814A (en) | 2014-07-16 |
| CN103928814B CN103928814B (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183274.9A Expired - Fee Related CN103928814B (en) | 2014-04-30 | 2014-04-30 | The ground connection rifle of high-tension apparatus earth connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103928814B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393462A (en) * | 2014-10-29 | 2015-03-04 | 国家电网公司 | Ground wire operation rod pneumatic tripping structure |
| CN105215960A (en) * | 2015-11-03 | 2016-01-06 | 国网山东省电力公司潍坊供电公司 | Portable power transformation security tool box |
| CN108747936A (en) * | 2018-05-22 | 2018-11-06 | 国网福建省电力有限公司泉州供电公司 | A kind of remote electric operating spanner |
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| CN2244772Y (en) * | 1995-04-22 | 1997-01-08 | 陈建龙 | Current leakage braking protector |
| US20070240301A1 (en) * | 2006-04-17 | 2007-10-18 | Tyco Electronics Corporation | Methods and apparatus for connecting conductors using a wedge connector |
| CN202695736U (en) * | 2012-06-29 | 2013-01-23 | 武汉里得科技有限公司 | Installation device of connecting clamp |
| CN202913802U (en) * | 2012-12-10 | 2013-05-01 | 宁波大学 | Remote unlocking device of mechanical lock |
| CN103531413A (en) * | 2013-10-22 | 2014-01-22 | 无锡希恩电气有限公司 | Simple high-voltage release switch |
| CN203481122U (en) * | 2013-07-08 | 2014-03-12 | 国家电网公司 | Rapid vacuum switch and power grid system |
| CN203800364U (en) * | 2014-04-30 | 2014-08-27 | 国家电网公司 | Grounding gun for installing or dismounting high voltage equipment grounding wire |
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2014
- 2014-04-30 CN CN201410183274.9A patent/CN103928814B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2244772Y (en) * | 1995-04-22 | 1997-01-08 | 陈建龙 | Current leakage braking protector |
| US20070240301A1 (en) * | 2006-04-17 | 2007-10-18 | Tyco Electronics Corporation | Methods and apparatus for connecting conductors using a wedge connector |
| CN202695736U (en) * | 2012-06-29 | 2013-01-23 | 武汉里得科技有限公司 | Installation device of connecting clamp |
| CN202913802U (en) * | 2012-12-10 | 2013-05-01 | 宁波大学 | Remote unlocking device of mechanical lock |
| CN203481122U (en) * | 2013-07-08 | 2014-03-12 | 国家电网公司 | Rapid vacuum switch and power grid system |
| CN103531413A (en) * | 2013-10-22 | 2014-01-22 | 无锡希恩电气有限公司 | Simple high-voltage release switch |
| CN203800364U (en) * | 2014-04-30 | 2014-08-27 | 国家电网公司 | Grounding gun for installing or dismounting high voltage equipment grounding wire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393462A (en) * | 2014-10-29 | 2015-03-04 | 国家电网公司 | Ground wire operation rod pneumatic tripping structure |
| CN105215960A (en) * | 2015-11-03 | 2016-01-06 | 国网山东省电力公司潍坊供电公司 | Portable power transformation security tool box |
| CN108747936A (en) * | 2018-05-22 | 2018-11-06 | 国网福建省电力有限公司泉州供电公司 | A kind of remote electric operating spanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103928814B (en) | 2016-02-24 |
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Granted publication date: 20160224 Termination date: 20200430 |