CN203800364U - Grounding gun for installing or dismounting high voltage equipment grounding wire - Google Patents
Grounding gun for installing or dismounting high voltage equipment grounding wire Download PDFInfo
- Publication number
- CN203800364U CN203800364U CN201420222357.XU CN201420222357U CN203800364U CN 203800364 U CN203800364 U CN 203800364U CN 201420222357 U CN201420222357 U CN 201420222357U CN 203800364 U CN203800364 U CN 203800364U
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- CN
- China
- Prior art keywords
- rifle
- electromagnet
- installing
- earth connection
- insulating bar
- 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 - Lifetime
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- 238000009413 insulation Methods 0.000 claims abstract description 9
- 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
- 239000000615 nonconductor Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 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
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a grounding gun for installing or dismounting a high voltage equipment grounding wire. The grounding gun comprises a gun head and an insulation rod that are interconnected, wherein the inner part of the gun head is provided with a cavity; a power source, an electromagnet and a pull switch are arranged in the cavity; the power source is connected with the electromagnet through the pull switch and a connecting and conducting wire; the upper end of a pull rope of the pull switch is connected with a moving contact of the pull switch, one end of the power source is connected with one fixed contact of the pull switch through a conducting wire, one end of an electromagnet wire coil of the electromagnet is connected with the other fixed contact of the pull switch through the conducting wire, and an outer shell of the pull switch and the pull rope are electrically insulating bodies; the power source and the electromagnet are connected with the inner wall of the cavity through an insulating rubber plate, the lower part of the gun head is provided with a gun head opening, the gun head opening is connected with an electrically insulating end cap through a screw and screw nut combination, and the end cap is connected with the insulation rod. The grounding gun is compact in structure and convenient in operation, work safety and reliability of an installed grounding wire can be ensured, operators can be prevented from personal injuries caused by high voltage, and grounding wire installing and dismounting work can be improved in efficiency.
Description
Technical field
The utility model relates to high voltage equipment ground protection equipment technical field, particularly a kind of ground connection rifle of using for installing or remove high-tension apparatus earth connection.
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 purpose of this utility model is to design a kind of handled easily, saves the ground connection rifle of manpower, makes installing, removes completing of earth connection work convenience and high-efficiency.
Summary of the invention
The purpose of this utility model is exactly the problems referred to above that exist for solving prior art, a kind of ground connection rifle of using for installing or remove high-tension apparatus earth connection is provided, 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 the utility model technical solution problem is:
A kind of ground connection rifle of using for installing or remove high-tension apparatus earth connection, 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 employing insulating bar of using for installing or remove high-tension apparatus earth connection, 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.
The beneficial effects of the utility model:
1. the utility model compact conformation, 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 utility model.
Embodiment
In order to understand better the utility model, below in conjunction with accompanying drawing, explain in detail execution mode of the present utility model.
As shown in Figure 1, a kind of ground connection rifle of using for installing or remove high-tension apparatus earth connection, 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 employing insulating bar of using for installing or remove high-tension apparatus earth connection, 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, by the ground connection rifle rifle head aligning earth connection spring clip movable end of using for installing or remove high-tension apparatus earth connection, 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 utility model is described; but the not restriction to the utility model protection range; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection range of the present utility model.
Claims (8)
1. a ground connection rifle of using for installing or remove high-tension apparatus earth connection, 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 of using for installing or remove 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 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 of using for installing or remove high-tension apparatus earth connection as claimed in claim 1, 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 using for installing or remove 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, 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 of using for installing or remove high-tension apparatus earth connection as claimed in claim 1, 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 using for installing or remove high-tension apparatus earth connection as claimed in claim 1, 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 using for installing or remove high-tension apparatus earth connection as claimed in claim 1, is characterized in that, 12V direct current rechargable power supplies for described power acquisition.
8. the ground connection rifle of using for installing or remove high-tension apparatus earth connection as claimed in claim 1, 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 |
|---|---|---|---|
| CN201420222357.XU CN203800364U (en) | 2014-04-30 | 2014-04-30 | Grounding gun for installing or dismounting high voltage equipment grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222357.XU CN203800364U (en) | 2014-04-30 | 2014-04-30 | Grounding gun for installing or dismounting high voltage equipment grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800364U true CN203800364U (en) | 2014-08-27 |
Family
ID=51382553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222357.XU Expired - Lifetime CN203800364U (en) | 2014-04-30 | 2014-04-30 | Grounding gun for installing or dismounting high voltage equipment grounding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928814A (en) * | 2014-04-30 | 2014-07-16 | 国家电网公司 | Grounding gun for grounding wire of high-voltage equipment |
| CN109149163A (en) * | 2018-09-12 | 2019-01-04 | 陈平武 | Charge fire welding device |
-
2014
- 2014-04-30 CN CN201420222357.XU patent/CN203800364U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928814A (en) * | 2014-04-30 | 2014-07-16 | 国家电网公司 | Grounding gun for grounding wire of high-voltage equipment |
| CN103928814B (en) * | 2014-04-30 | 2016-02-24 | 国家电网公司 | The ground connection rifle of high-tension apparatus earth connection |
| CN109149163A (en) * | 2018-09-12 | 2019-01-04 | 陈平武 | Charge fire welding device |
| CN109149163B (en) * | 2018-09-12 | 2023-08-25 | 陈平武 | Charged fire-catching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |