CN103928814B - The ground connection rifle of high-tension apparatus earth connection - Google Patents
The ground connection rifle of high-tension apparatus earth connection Download PDFInfo
- Publication number
- CN103928814B CN103928814B CN201410183274.9A CN201410183274A CN103928814B CN 103928814 B CN103928814 B CN 103928814B CN 201410183274 A CN201410183274 A CN 201410183274A CN 103928814 B CN103928814 B CN 103928814B
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- China
- Prior art keywords
- rifle
- earth connection
- electromagnet
- insulating bar
- rifle head
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- 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
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- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000000615 nonconductor Substances 0.000 claims abstract description 4
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a kind of ground connection rifle of high-tension apparatus earth connection, comprise the rifle head be connected, insulating bar, described rifle head inside is provided with cavity, power supply is provided with in cavity, electromagnet, pulling switch, power supply is connected with electromagnet by pulling switch and connection wire, 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, pulling switch shell and bracing wire are electrical insulator, power supply, electromagnet is connected with cavity inner wall by insulating rubber slab, rifle head bottom is provided with rifle head opening, rifle head opening and electric insulation end cap are connected by screw-nut, end cap is connected with insulating bar.Compact conformation, easy to operate, the safe and reliable property of installing earth connection can be ensured, prevent high pressure to the personal injury of operator, improve installing, remove the efficiency of earth connection work.
Description
Technical field
The present invention relates to high voltage equipment ground protection equipment technical field, particularly a kind of ground connection rifle of high-tension apparatus earth connection.
Background technology
For ensureing that worker safety needs at side installing earth connection of may sending a telegram here during the high-tension apparatus interruption maintenances such as transformer station, transmission line, distribution line, according to need by power failure equipments three-phase shortcircuit ground connection during pertinent regulations high-tension apparatus interruption maintenance, earth connection connects high-tension apparatus part many employings spring clip, solid for ensureing that folder is firmly linked with, this spring clip general hypertonic power is larger.Instrument used when ground connection rifle is for installing or remove earth connection, existing ground connection rifle is the mode manually firmly pulled open by spring clip.
Existing ground connection rifle is the mode manually firmly pulled open by spring clip.Because earth connection spring clip hypertonic power is comparatively large, pulls open the strength that needs are larger, be unfavorable for efficiently carrying out the work.Often there is the problems such as mechanical card plucked instrument in the steel wire junction of simultaneously employing power part and rifle head part due to existing ground connection gunman; for grid switching operation installing, dismounting earth connection bring a lot of trouble, the ground connection rifle repair and replacement that frequent mechanical 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 existed for solving prior art, provide a kind of ground connection rifle of high-tension apparatus earth connection, produce magnetic force after utilizing electromagnetic induction principle to design a winding coil energising suction of earth connection spring clip is opened, earth connection retracting spring folder after power-off.
The technical scheme of technical solution problem of the present invention is:
A kind of ground connection rifle of high-tension apparatus earth connection, comprise the rifle head be connected, insulating bar, described rifle head inside is provided with cavity, power supply is provided with in described cavity, electromagnet, pull switch, described power supply is connected with electromagnet by pull switch and connection wire, wherein the stay cord upper end of pull switch is connected with the moving contact of pull switch, power supply one end is connected with a fixed contact of pull switch by wire, electromagnet coil one end of electromagnet is connected with the another one fixed contact of pull switch by wire, described pull switch shell and stay cord 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 through end cap of endoporus of cylinder ring, 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 are connected by external screw thread, internal thread, and the hand griping position of insulating bar bottom is provided with stay cord outlet, and the stay cord lower end of described pull switch is protruding in the stay cord outlet of the endoporus of cylinder ring, hollow stem.
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.Prevent careless or other reason in stay cord lower end from falling into the inside of hollow stem by projection.
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 is set with steel shell outside earth connection spring clip movable end.Earth connection spring clip movable end is inhaled and is opened by the charged rear generation magnetic force of electromagnet coil, disconnects control switch and makes coil blackout discharge earth connection spring clip movable end.Under aluminium-alloy pipe ensures durable prerequisite, and can not adsorb tube wall after coil can be made charged, steel shell can not only be used for the absorption of ground connection rifle coil, can effectively prevent earth connection spring clip from wearing and tearing by ground connection rifle simultaneously.The ground connection rifle mid portion of high-tension apparatus earth connection adopts insulating bar, and the length of insulating bar depends on the electric pressure of used high-tension apparatus, must be greater than the minimum safe distance of used high-tension apparatus electric pressure.Described power supply, electromagnet coil are connected to avoid the coil that rifle head and power supply and appearance insulate 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.Be convenient to observe electromagnet and whether be in the state with 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.
Described power acquisition 12V direct current rechargable power supplies.The number of turn, the size of current of electromagnet insulated coil need maximum pull when pulling open to determine according to earth connection spring clip.
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. the utility model compact conformation, easy to operate, saving manpower, can ensure the safe and reliable property of installing earth connection, prevent high pressure to the personal injury of operator, improves installing, removes the efficiency of earth connection work.
2. aluminium-alloy pipe quality is light, durable, and can not adsorb tube wall after coil can be made charged, and steel shell is not only for the absorption of ground connection rifle coil simultaneously, can effectively prevent earth connection spring clip from wearing and tearing by ground connection rifle simultaneously.
3. described in, power supply, electromagnet coil are connected to avoid the coil that rifle head and power supply and appearance insulate to form connecting circuit with cavity inner wall by insulating rubber slab, guarantee the security reliability used in a high voltage state.
4. described in, the sidewall of cavity is provided with the indicator light be connected with power supply, is convenient to observe electromagnet and whether is in the state with suction; DC power supply is adopted 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, and maintenance and replacement operation are conveniently.
6. by sealing block realize hollow stem inside sealing, reduce dust magazine and enter the flexibility and reliability that avoids affecting pull switch, prevent hand from coming off from hollow stem end when holding simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to understand the present invention better, explain embodiments of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of ground connection rifle of high-tension apparatus earth connection, comprise the insulation rifle head 1 be connected, insulating bar 4, described rifle head 1 inside is provided with cavity 12, power supply 22 is provided with in described cavity 12, electromagnet 21, pull switch 33, described power supply 22 is connected with electromagnet 21 by pull switch 33 and connection wire, wherein stay cord 31 upper end of pull switch 33 is connected with the moving contact of pull switch, power supply 22 one end is connected with a fixed contact of pull switch 33 by wire, electromagnet coil one end of electromagnet 21 is connected with the another one fixed contact of pull switch 33 by wire, described pull switch 33 shell and stay cord 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 bottom is provided with cylinder ring 51, the through end cap 5 of endoporus 52 of cylinder ring 51, 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 stay cord outlet 36, stay cord 31 lower end of described pull switch 33 is from the endoporus of cylinder ring, protruding in the stay cord outlet 36 of hollow stem, described stay cord lower end is provided with projection 32, prevent careless or other reason in stay cord lower end from falling into the inside of hollow stem by projection 32.
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 is set with steel shell outside earth connection spring clip movable end.Earth connection spring clip movable end is inhaled and is opened by the charged rear generation magnetic force of electromagnet coil, disconnects control switch and makes coil blackout discharge earth connection spring clip movable end.Under aluminium-alloy pipe ensures durable prerequisite, and can not adsorb tube wall after coil can be made charged, steel shell can not only be used for the absorption of ground connection rifle coil, can effectively prevent earth connection spring clip from wearing and tearing by ground connection rifle simultaneously.The ground connection rifle mid portion of high-tension apparatus earth connection adopts insulating bar, and the length of insulating bar depends on the electric pressure of used high-tension apparatus, must be greater than the minimum safe distance of used high-tension apparatus electric pressure.
Described power supply 22, electromagnet coil are connected to avoid the coil that rifle head and power supply and appearance insulate 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.
Described power acquisition 12V direct current rechargable power supplies.The number of turn, the size of current of electromagnet insulated coil need maximum pull when pulling open to determine according to earth connection spring clip.
Insulating bar 4 lower end is 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 the flexibility and reliability that avoids affecting pull switch, prevent hand from coming off from hollow stem end when holding simultaneously.
During use, draw the stay cord of pull switch, when indicator light is bright, pull switch is in on-state, now power supply 22 and electromagnet 21 are in conducting state, the ground connection rifle rifle head of high-tension apparatus earth connection is aimed at earth connection spring clip movable end, earth connection spring clip movable end is inhaled and is opened by the charged generation magnetic force of coil; Draw the stay cord of pull switch, indicator light extinguishes, and pull switch is in off-state, and now power supply 22 and electromagnet 21 are in not on-state, i.e. coil blackout release earth connection spring clip movable end.
By reference to the accompanying drawings the embodiment of invention is described although above-mentioned; but 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 amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. the ground connection rifle of a high-tension apparatus earth connection, comprise the rifle head be connected, insulating bar, described rifle head inside is provided with cavity, power supply is provided with in described cavity, electromagnet, pull switch, described power supply is connected with electromagnet by pull switch and connection wire, wherein the stay cord upper end of pull switch is connected with the moving contact of pull switch, power supply one end is connected with a fixed contact of pull switch by wire, electromagnet coil one end of electromagnet is connected with the another one fixed contact of pull switch by wire, described pull switch shell and stay cord 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 of high-tension apparatus earth connection as claimed in claim 1, it is characterized in that, described end cap bottom is provided with cylinder ring, the through end cap of endoporus of cylinder ring, 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 are connected by external screw thread, internal thread, the hand griping position of insulating bar bottom is provided with stay cord outlet, and the stay cord lower end of described pull switch is protruding in the stay cord outlet of the endoporus of cylinder ring, hollow stem.
3. the ground connection rifle of high-tension apparatus earth connection as claimed in claim 1, it 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 of high-tension apparatus earth connection as claimed in claim 1, 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 is set with steel shell outside earth connection spring clip movable end.
5. the ground connection rifle of high-tension apparatus earth connection as claimed in claim 1, it 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 of high-tension apparatus earth connection as claimed in claim 1, it 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 of high-tension apparatus earth connection as claimed in claim 1, is characterized in that, described power acquisition 12V direct current rechargable power supplies.
8. the ground connection rifle of high-tension apparatus earth connection as claimed in claim 1, it 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 |
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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 |
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CN201410183274.9A CN103928814B (en) | 2014-04-30 | 2014-04-30 | The ground connection rifle of high-tension apparatus earth connection |
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Publication Number | Publication Date |
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CN103928814A CN103928814A (en) | 2014-07-16 |
CN103928814B true CN103928814B (en) | 2016-02-24 |
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CN201410183274.9A Expired - Fee Related CN103928814B (en) | 2014-04-30 | 2014-04-30 | The ground connection rifle of high-tension apparatus earth connection |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104393462B (en) * | 2014-10-29 | 2016-10-05 | 国家电网公司 | A kind of pneumatic releasing structure of ground wire operating lever |
CN105215960B (en) * | 2015-11-03 | 2017-12-01 | 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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2244772Y (en) * | 1995-04-22 | 1997-01-08 | 陈建龙 | Current leakage braking protector |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7426782B2 (en) * | 2006-04-17 | 2008-09-23 | Tyco Electronics Corporation | Methods and apparatus for connecting conductors using a wedge connector |
-
2014
- 2014-04-30 CN CN201410183274.9A patent/CN103928814B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2244772Y (en) * | 1995-04-22 | 1997-01-08 | 陈建龙 | Current leakage braking protector |
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 |
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CN103928814A (en) | 2014-07-16 |
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Granted publication date: 20160224 Termination date: 20200430 |
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