CN105244639A - Grounding device - Google Patents

Grounding device Download PDF

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Publication number
CN105244639A
CN105244639A CN201510712946.5A CN201510712946A CN105244639A CN 105244639 A CN105244639 A CN 105244639A CN 201510712946 A CN201510712946 A CN 201510712946A CN 105244639 A CN105244639 A CN 105244639A
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CN
China
Prior art keywords
arc
core
shell
bar
earthing
Prior art date
Application number
CN201510712946.5A
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Chinese (zh)
Other versions
CN105244639B (en
Inventor
郭华
王际斌
孙彬
刘志虎
温淑君
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国网山东济阳县供电公司
国家电网公司
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Priority to CN201510712946.5A priority Critical patent/CN105244639B/en
Publication of CN105244639A publication Critical patent/CN105244639A/en
Application granted granted Critical
Publication of CN105244639B publication Critical patent/CN105244639B/en
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Abstract

Provided is a grounding device which is used for convenient electricity testing work when power fails, and realizes firm grounding of a grounding wire. The grounding device comprises a housing, an inner core, a first arc-shaped plate, a second arc-shaped plate and a cross bar. The housing is a metal circular pipe provided with an internal thread; the outer wall of the housing is provided with a first external thread; the upper end of housing is provided with two pairs of ear plates, wherein a first oscillating bar is hinged between one pair of ear plates, and a second oscillating bar is hinged between the other pair of ear plates; the first arc-shaped plate is fixed to the free end of the first oscillating bar, and the second arc-shaped plate is fixed to the free end of the second oscillating bar; after the end surfaces of the first arc-shaped plate and the second arc-shaped plate are contacted, the first arc-shaped plate and the second arc-shaped plate form a semicircle plate; the inner cavity of the housing is provided with the inner core; and the outer wall of the inner core is provided with a second external thread matched with the internal thread. The grounding device is convenient to operate when used, and high in working efficiency, and can ensure stability of the whole body in the ground, so that the grounding wire can be firmly fixed certainly when carrying out electricity testing test after the grounding wire is installed.

Description

A kind of earthing device
Technical field
The present invention relates to electric power maintenance technical field, specifically a kind of earthing device that can be placed in ground easily.
Background technology
Power circuit power failure operation must first carry out electrical verification and ground connection operation, and ground connection must use earth connection.The earth rod of common earth connection is made up of the reinforcing bar of one 80 centimeters long, a point of this reinforcing bar, is beneficial to insert underground, other end with bolt connecting hole so that be connected with earth connection.But this earth rod, in the process inserting ground, expend very large strength, also harder when extracting earth rod.
Summary of the invention
The object of the present invention is to provide a kind of earthing device, for electrical verification operation during convenient power failure, and the dead earthing of the ground wire that achieves a butt joint.
The present invention solves the technical scheme that its technical problem takes: a kind of earthing device, it is characterized in that, it comprises shell, inner core, first arc, second arc and cross bar, described shell is that inwall establishes female metal circular tube, the outer wall of described shell is provided with the first external screw thread, two pairs of otic placodes are provided with in the upper end of described shell, the first fork is hinged with between otic placode wherein described in a pair, hinged between another is to described otic placode the second fork is installed, the first arc is fixed with at the free end of described first fork, the second arc is fixed with at the free end of described second fork, after the end contact of described first arc and the second arc first, second arc surrounds a semi-circular plate, first, second arc is respectively equipped with a semicircle orifice, and when first, second arc surrounds semi-circular plate, two halves circular hole surrounds a circular hole,
In the inner chamber of described shell, be provided with inner core, the outer wall of described inner core is provided with the second external screw thread with screw-internal thread fit; Conical tip is provided with in one end of described inner core, the extension rod of inner core coaxial line setting is provided with at the other end of described inner core, the diameter of described extension rod is equal to or less than the aperture of circular hole, be fixed with cross bar at the free end of described extension rod, described cross bar and extension rod form " T " character form structure.
Further, be provided with tapered portion in the lower end of described shell, described tapered portion be arranged so that the tapered structure in shell lower end.
Further, described first arc is provided with inserted block, described second arc is provided with the jack coordinated with inserted block grafting.
Further, described inserted block is made up of magnetic material.
Further, described inserted block is two, is separately positioned on the both sides of the semicircle orifice on the first arc.
Further, the length of described cross bar is less than the length of the first or second arc.
Further, described cross bar is metal circular tube.
The invention has the beneficial effects as follows: a kind of earthing device provided by the invention, during use, rotate first, second arc, so that shell is screwed in underground.Enter into after the certain depth of ground until shell, take first, second arc apart, rotary bar, the inner core being arranged in shell is screwed in underground, the large part of such inner core is in the bottom of shell, and inner core and shell are positioned at underground, can ensure overall stability in ground.Like this install to carry out electrical verification test after earth connection time, fixedly securing of earth connection can be ensured, and easy to operate when the present invention uses, operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the A-A cutaway view in Fig. 1;
Fig. 3 is the B-B cutaway view in Fig. 1;
Fig. 4 is the schematic three dimensional views of inner core;
Fig. 5 is the first step inserted by this earthing device in ground;
Fig. 6 is the second step inserted by this earthing device in ground;
In figure: 1 shell, 11 first external screw threads, 12 tapered portion, 13 otic placodes, 14 first forks, 15 second forks, 16 first arcs, 17 second arcs, 2 is hinged, 21 inserted blocks, 3 inner cores, 31 tips, 32 extension rods, 33 cross bars, 34 second external screw threads, 4 ground.
Embodiment
As shown in Figures 1 to 6, the present invention mainly comprises shell 1, first arc 16, second arc 17, inner core 3, extension rod 32 and cross bar 33, describes the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, shell 1 is metal circular tube, the outer wall of shell is provided with the first external screw thread 11, is provided with tapered portion 12 in the lower end of shell, tapered portion be arranged so that the lower end of shell is tapered.The outer wall of shell upper is provided with two pairs of otic placodes 13, hinged 2 first fork 14 is installed between a pair otic placode wherein, hinged between another is to otic placode the second fork 15 is installed, the first arc 16 is fixed with at the free end of the first fork, the second arc 17 is fixed with at the free end of the second fork, first, second arc is the metallic plate of circular arc, can surround a semi-circular plate after first, second arc is combined.And the top of the first fork is fixedly connected with the middle part of the first arc, the top of the second fork is fixedly connected with the middle part of the second arc.Be respectively equipped with semicircle orifice at the free end of the first arc and the second arc, after first, second arc is combined, two halves circular hole surrounds a circular hole.For realizing the locking of the first arc and the second arc, as shown in Figure 3, the end face of the first arc is provided with two inserted blocks 21, the end face of the second arc is provided with the jack corresponding with inserted block, two inserted blocks lay respectively at the both sides of the semicircle orifice on the first arc, are inserted in by inserted block in jack to realize the locking of the first arc and the second arc.For ensureing stability when locking between first, second arc, inserted block is made up of magnetic material, such as magnet.During use, staff's both hands hold first, second arc.
Be provided with inner core 3 in the inside of shell, as shown in Figure 4, inner core is columniform Metallic rod, is provided with tip 31 in one end of inner core, and tip is conical, and the large end of tip is fixed on inner core, and the large end size of tip is identical with the diameter of inner core.Coaxially arranged extension rod 32 is provided with at the other end of inner core, extension rod is circular Metallic rod, the outer wall of inner core is provided with the second external screw thread 34, the inwall of shell is provided with the internal thread coordinated with the second external screw thread, the rotation of inner core opposite shell can be realized during rotary inner core and move axially.The radius of extension rod is equal to or less than the radius of semicircle orifice, and such extension rod can pass the backward upper extension of circular hole, is provided with cross bar 33 at the free end of extension rod, cross bar is metal circular tube, middle part and the extension rod top of cross bar are connected, and like this, cross bar and extension rod form " T " font.The length of cross bar is less than the length of the first arc, so that operation.
As shown in Figure 5, during use, first inner core is arranged in shell, and makes the tip of inner core stretch out shell; Then hold first, second arc, tip is aimed at ground 4, while press first, second arc edges of boards to rotate first, second arc, shell is screwed in ground.After shell below otic placode screws in subsurface, first, second arc is separated, as shown in Figure 6, first, second arc is rested on the ground, then rotary bar, inner core is rotated and screws in underground, like this when shell maintains static, inner core can continue to extend into underground.When reaching certain distance between cross bar and ground, show that the length that inner core extend in ground reaches requirement, now can stop the rotation cross bar, carries out the installation of earth connection.

Claims (7)

1. an earthing device, it is characterized in that, it comprises shell, inner core, first arc, second arc and cross bar, described shell is that inwall establishes female metal circular tube, the outer wall of described shell is provided with the first external screw thread, two pairs of otic placodes are provided with in the upper end of described shell, the first fork is hinged with between otic placode wherein described in a pair, hinged between another is to described otic placode the second fork is installed, the first arc is fixed with at the free end of described first fork, the second arc is fixed with at the free end of described second fork, after the end contact of described first arc and the second arc first, second arc surrounds a semi-circular plate, first, second arc is respectively equipped with a semicircle orifice, and when first, second arc surrounds semi-circular plate, two halves circular hole surrounds a circular hole,
In the inner chamber of described shell, be provided with inner core, the outer wall of described inner core is provided with the second external screw thread with screw-internal thread fit; Conical tip is provided with in one end of described inner core, the extension rod of inner core coaxial line setting is provided with at the other end of described inner core, the diameter of described extension rod is equal to or less than the aperture of circular hole, be fixed with cross bar at the free end of described extension rod, described cross bar and extension rod form " T " character form structure.
2. a kind of earthing device according to claim 1, is characterized in that, is provided with tapered portion in the lower end of described shell, described tapered portion be arranged so that the tapered structure in shell lower end.
3. a kind of earthing device according to claim 1, is characterized in that, described first arc is provided with inserted block, and described second arc is provided with the jack coordinated with inserted block grafting.
4. a kind of earthing device according to claim 3, is characterized in that, described inserted block is made up of magnetic material.
5. a kind of earthing device according to claim 3, is characterized in that, described inserted block is two, is separately positioned on the both sides of the semicircle orifice on the first arc.
6. a kind of earthing device according to claim 1, is characterized in that, the length of described cross bar is less than the length of the first or second arc.
7. a kind of earthing device according to claim 1, is characterized in that, described cross bar is metal circular tube.
CN201510712946.5A 2015-10-28 2015-10-28 A kind of earthing or grounding means Active CN105244639B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510712946.5A CN105244639B (en) 2015-10-28 2015-10-28 A kind of earthing or grounding means

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Application Number Priority Date Filing Date Title
CN201510712946.5A CN105244639B (en) 2015-10-28 2015-10-28 A kind of earthing or grounding means

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CN105244639A true CN105244639A (en) 2016-01-13
CN105244639B CN105244639B (en) 2018-01-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576394A (en) * 2016-03-01 2016-05-11 国网山东省电力公司济南市长清区供电公司 Electric grounding pile and burying method thereof
CN105811126A (en) * 2016-06-01 2016-07-27 王保锋 Lightning-proof earthing device for electric power line
CN107293868A (en) * 2017-06-13 2017-10-24 河北金能电力科技股份有限公司 A kind of spiral grounding nail
CN111029803A (en) * 2019-12-10 2020-04-17 国网湖北省电力有限公司黄冈供电公司 Field effect grounding device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202564562U (en) * 2012-05-02 2012-11-28 柘城县供电有限责任公司 Screw type temporary grounding rod
CN203300821U (en) * 2013-06-08 2013-11-20 章丘市供电公司 Grounding hammer drill
CN103943976A (en) * 2014-05-06 2014-07-23 夏庆阳 Ground stud
CN204067596U (en) * 2014-08-01 2014-12-31 国家电网公司 The outdoor ground connection hammer drill of a kind of electric power
CN204103052U (en) * 2014-09-09 2015-01-14 上海智方电力工程有限公司 A kind of novel earthing device
CN204289737U (en) * 2015-01-15 2015-04-22 重庆水利电力职业技术学院 Cable inspection earthing pricker
CN204361288U (en) * 2014-11-27 2015-05-27 国家电网公司 Grounding pin
CN204538261U (en) * 2015-03-31 2015-08-05 丰顺县梅丰水电发展有限公司 A kind of power grounding pile
CN104868258A (en) * 2015-06-09 2015-08-26 东北石油大学 Rapid grounding rod with plugging device, suitable for temporary opeartion

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202564562U (en) * 2012-05-02 2012-11-28 柘城县供电有限责任公司 Screw type temporary grounding rod
CN203300821U (en) * 2013-06-08 2013-11-20 章丘市供电公司 Grounding hammer drill
CN103943976A (en) * 2014-05-06 2014-07-23 夏庆阳 Ground stud
CN204067596U (en) * 2014-08-01 2014-12-31 国家电网公司 The outdoor ground connection hammer drill of a kind of electric power
CN204103052U (en) * 2014-09-09 2015-01-14 上海智方电力工程有限公司 A kind of novel earthing device
CN204361288U (en) * 2014-11-27 2015-05-27 国家电网公司 Grounding pin
CN204289737U (en) * 2015-01-15 2015-04-22 重庆水利电力职业技术学院 Cable inspection earthing pricker
CN204538261U (en) * 2015-03-31 2015-08-05 丰顺县梅丰水电发展有限公司 A kind of power grounding pile
CN104868258A (en) * 2015-06-09 2015-08-26 东北石油大学 Rapid grounding rod with plugging device, suitable for temporary opeartion

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576394A (en) * 2016-03-01 2016-05-11 国网山东省电力公司济南市长清区供电公司 Electric grounding pile and burying method thereof
CN105576394B (en) * 2016-03-01 2018-01-09 国网山东省电力公司济南市长清区供电公司 A kind of power grounding pile and its method for embedding
CN105811126A (en) * 2016-06-01 2016-07-27 王保锋 Lightning-proof earthing device for electric power line
CN107293868A (en) * 2017-06-13 2017-10-24 河北金能电力科技股份有限公司 A kind of spiral grounding nail
CN107293868B (en) * 2017-06-13 2019-04-12 河北金能电力科技股份有限公司 A kind of spiral grounding nail
CN111029803A (en) * 2019-12-10 2020-04-17 国网湖北省电力有限公司黄冈供电公司 Field effect grounding device

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