CN107799915A - High-voltage earthing device - Google Patents
High-voltage earthing device Download PDFInfo
- Publication number
- CN107799915A CN107799915A CN201710986452.5A CN201710986452A CN107799915A CN 107799915 A CN107799915 A CN 107799915A CN 201710986452 A CN201710986452 A CN 201710986452A CN 107799915 A CN107799915 A CN 107799915A
- Authority
- CN
- China
- Prior art keywords
- drop bar
- connecting rod
- earthing device
- bar body
- voltage earthing
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides a kind of high-voltage earthing device, belong to power system fastening means technical field, including drop bar body and the drop bar connecting rod being connected through a screw thread, the bottom of the drop bar body is aciculiform, there is a retaining mechanism the lower end of the drop bar body is circumferentially fixed, the drop bar bulk material is hollow steel tube body and the copper plate being wrapped on the outside of the steel tube body；The present invention is made of copper-plated material outside interior steel, and tensile strength is big, and corrosion resistance is strong；Added on drop bar body for inserting the soil body and locking the retaining mechanism of drop bar body, add the contact area with the soil body, make drop bar more firm, the quick extraction of rod can be grounded using steel wire rope pulling retaining mechanism, solving drop bar and being rammed into perishable, drop bar after the soil body and take out wastes time and energy, barred body and the small technical problem of soil body contact area.
Description
Technical field
The invention belongs to power system fastening means technical field, is to be related to a kind of high-voltage earthing device more specifically.
Background technology
Earthing or grounding means is also known as drop bar or earthing pole, and its one end embedment greatly, forms the earthed system of power equipment.High pressure
Earthing or grounding means is the important work of safeguard work personal security in order in drop-in voltage in the equipment or circuit having had a power failure
Tool.Ground wire has two-sidedness, and it has the function that safety, and improper use can also produce damage effect.Connect using underproof
Ground wire can damage electrical equipment and destroy the stabilization of power network, may trigger serious pernicious electrical hazard.Current power transmission circuit makes
High-voltage grounding wire is after needle body is rammed into the earth, and because the exposed rivet nut in ground is small, rivet nut is smooth, is expended when causing to take out a large amount of
Time energy, needle body Zinc coat corrosion resistance is poor, and coating easy-to-rust comes off, and needle body and the earth contact area are smaller, make
The external force such as used time chance vibrations pulling, which easily rise to pull out on soil, loses protection, triggers staff's Danger Electric shock risk.
The content of the invention
It is an object of the invention to provide a kind of high-voltage earthing device, to solve earthing or grounding means present in prior art not
Stablize, waste time and energy, the technical problem that needle body coating easy-to-rust comes off, have be easy to carry, be convenient to mount and dismount, the spy that work efficiency is high
Point.
To achieve the above object, the technical solution adopted by the present invention is：A kind of high-voltage earthing device, including drop bar are provided
Body, drop bar connecting rod is threaded with the top of the drop bar body, hand is fixed with the drop bar connecting rod
Handle, the bottom of the drop bar body is aciculiform, has several locking machines the lower end of the drop bar body is circumferentially fixed
Structure, the drop bar bulk material are hollow steel tube body and the copper plate being wrapped on the outside of the steel tube body；
The retaining mechanism includes being arranged on the hinge seat of drop bar body lower end, connected with the hinge seat is hinged first
In bar, the second connecting rod being hinged with the first connecting rod, fixed seat and the first through hole that is arranged on the drop bar body
Sliding seat, one end of the sliding seat is fixedly connected by spring with the bottom of the first through hole, one end of the sliding seat
The flexible body for pulling the sliding seat to slide also is fixedly connected with, the flexible body passes through the first through hole bottom and position
It is flexibly connected in the second through hole of the drop bar body upper part and the fixing-line device with being fixed on the second through hole top.
Further, the upper end of the drop bar connecting rod is fixedly connected with hammering face.
Further, the first connecting rod can rotate to the side of ground connection bat handle, one end of the second connecting rod
It is hinged with the first connecting rod, the other end is installed among the fixed seat and the sliding seat, and when the pulling flexibility
During body, the second connecting rod can slide along drop bar body.
Further, the upper end of the drop bar body is provided with the terminal plate for being grounded.
Further, the retaining mechanism is arranged circumferentially in the lower end of the drop bar body as 3-5.
Further, the flexible body is steel wire rope or can pull what the sliding seat was slided in the first through hole
Flexible body.
Further, the handle is provided with the non-slip rubber set for preventing that hand from sliding.
Further, the surface of the drop bar body is provided with shape of threads striped.
The beneficial effect of high-voltage earthing device provided by the invention is：Compared with prior art, high-voltage connecting of the invention
Ground device, drop bar body are made of copper-plated material outside interior steel, and tensile strength is big, and corrosion resistance is strong；In drop bar body
On add for inserting the soil body and locking the retaining mechanism of drop bar body, add the contact area with the soil body, make ground connection
Rod is more firm, pulls retaining mechanism to be grounded the quick extraction of rod using steel wire rope, solves drop bar and be rammed into soil
Perishable after body, barred body, which takes out, wastes time and energy, and barred body and the small technical problem of soil body contact area, realizes Fast Installation ground connection
Rod, anticorrosive property be strong, stable and firm reliable technique effect.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the structural representation of high-voltage earthing device provided in an embodiment of the present invention；
Fig. 2 is the retaining mechanism compressive state structural representation of high-voltage earthing device provided in an embodiment of the present invention；
Fig. 3 is the top view of high-voltage earthing device provided in an embodiment of the present invention；
Fig. 4 is the partial structural diagram in Fig. 1；
Fig. 5 is the partial structural diagram in Fig. 2.
Wherein, each reference in figure：1- drop bar bodies；11- first through hole；The through holes of 12- second；13- fixing-line devices；
14- terminal plates；15- shape of threads stripeds；2- drop bar connecting rods；21- handles；22- hammers face；211- non-slip rubber sets；3- locks
Tight mechanism；31- hinge seats；32- first connecting rods；33- second connecting rods；34- fixed seats；35- sliding seat；36- flexible bodies；37- bullets
Spring.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The high-voltage earthing dress
Put, including drop bar body 1, it is threaded with drop bar connecting rod 2, the drop bar on the top of the drop bar body 1
Handle 21 is fixed with connecting rod 2, the bottom of the drop bar body 1 is aciculiform, in the lower end of the drop bar body 1 week
To several retaining mechanisms 3 are fixed with, the material of drop bar body 1 is hollow steel tube body and is wrapped in outside the steel tube body
The copper plate of side.
The retaining mechanism 3 include be arranged on the lower end of drop bar body 1 hinge seat 31, with the hinge seat 31 be hinged
First connecting rod 32, the second connecting rod 33 being hinged with the first connecting rod 32, fixed seat 34 and it is arranged on the drop bar body 1
First through hole in 11 sliding seat 35, one end of the sliding seat 35 is consolidated by spring 37 and the bottom of the first through hole 11
Fixed connection, one end of the sliding seat 35 are also fixedly connected with the flexible body 36 for pulling the sliding seat 35 to slide, described
Flexible body 36 is through the bottom of first through hole 11 and the second through hole 12 positioned at the top of drop bar body 1 and with being fixed on
The fixing-line device 13 on the top of the second through hole 12 is flexibly connected.Drop bar body 1 can be connected by screw thread and drop bar connecting rod 2
Connect, be conveniently replaceable flexible body 36, prevent flexible body 36 from can not use the earthing or grounding means after being broken.
High-voltage earthing device provided by the invention, compared with prior art, drop bar body 1 use the material of the outer copper of interior steel
It is made, tensile strength is big, and corrosion resistance is strong；Added on drop bar body 1 for inserting the soil body and locking drop bar body 1
Retaining mechanism 3, add the contact area with the soil body, make earthing or grounding means more firm, utilize flexible body 36 pull locking machine
Structure 3 can be grounded the quick extraction of device, and solving drop bar and being rammed into perishable, barred body after the soil body and take out wastes time and energy,
Barred body and the small technical problem of soil body contact area, it is strong, stable and firm reliable to realize Fast Installation drop bar, anticorrosive property
Technique effect.
The shortcomings that present invention is directed to traditional drop bar, adds retaining mechanism 3 and changes on the basis of traditional drop bar
Be apt to the bulk material structure of drop bar, meet drop bar using when be easy to carry, be convenient to mount and dismount, shorten the engineering time, carry
The effect of high workload efficiency；Drop bar connecting rod 2 is threadedly coupled with drop bar body 1 during use, drop bar body 1 is rammed into
The soil body, by pulling flexible body 36 retaining mechanism 3 is realized stretching, extension and retraction, drop bar body 1 is inserted in the soil body can be smoothly
Plug；Retaining mechanism 3 adds the contact area that drop bar body 1 is inserted into the soil body again simultaneously, makes the support force of drop bar body 1
It is more stable and firm, the structure type of steel tube body is wrapped up using copper plate, advantage is that tensile strength is big, degree of adhesion is good, Ke Yiti
Highly corrosion resistant, there is constant low resistance and good plasticity.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The drop bar connection
The upper end of bar 2 is fixedly connected with hammering face 22, and hammering face 22 can increase the area of hammer drop bar connecting rod 2, improves
Drop bar body 1 enters the efficiency of underground layer, improves installation efficiency, shortens the set-up time.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The first connecting rod 32
It can be rotated to the side of ground connection bat handle 2, one end of the second connecting rod 33 is be hinged with the first connecting rod 32, the other end
It is installed among the fixed seat 34 and the sliding seat 35, and when pulling the flexible body 36, the second connecting rod 33
Can be along the upward sliding of drop bar body 1.Sliding seat 35 is provided with first through hole 11, by pulling flexible body 36, sliding seat
35 overcome the elastic force of spring 37, sliding seat 35 is bounced back in first through hole 11, the free end of second connecting rod 33 will be discharged, in soil
In the presence of body pressure, second connecting rod 33 is set to stretch upwards, then first connecting rod 32 rotates along hinge seat 31, so that connecing
The soil body around ground rod body 1 loosens, and quickly extracts drop bar body 1 from the soil body, improves installation with tearing open
Unload the efficiency of construction of drop bar.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The drop bar body
1 upper end is provided with the terminal plate 14 for being grounded.Terminal plate 14 is welded on the outer upper of the drop bar body 1 of steel, is used for
It is connected with each other, is connected as one with ground path.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The retaining mechanism 3
It is arranged circumferentially in the lower end of the drop bar body 1 as 3-5.The circumferential uniform cloth on drop bar body 1 of retaining mechanism 3
Put, contact area can be increased during drop bar body 1 is inserted into the soil body, improve the firm stable of drop bar body 1
Property；And retaining mechanism 3 makes the locking of retaining mechanism 3 by loosening sliding seat 35, is grounded when drop bar body 1 takes out the soil body
The surrounding soil of rod body 1 loosens, and smoothly extracts or takes out drop bar body 1, improve speed of application.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The flexible body 36 is
Steel wire rope or the flexible body 36 that the sliding seat 35 can be pulled to be slided in the first through hole 11.One end of steel wire rope and work
Dynamic seat 35 is fixedly connected, and the other end is hung on the fixing-line device 13 on drop bar body 1, and opening fixing-line device 13 makes steel wire rope movable,
Steel wire rope is pulled sliding seat 35 is slided in first through hole 11；Closing fixing-line device 13 makes wire line shoe in fixing-line device 13, living
Dynamic seat 35 bounces back, and first connecting rod 32 and second connecting rod 33 is moved up or is rotated, the soil body around retaining mechanism 3 occurs
Loosen, you can quick to extract drop bar body 1.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.Set on the handle 21
There is the non-slip rubber set 211 for preventing that hand from sliding.Non-slip rubber set 211 can make drop bar body 1 in manual rotation's handle 21
The soil body is taken out, the sufficiently large contact resistance of user can be supplied to, facilitate the smooth taking-up of high-voltage earthing device.
Also referring to Fig. 1-Fig. 5, now high-voltage earthing device provided by the invention is illustrated.The drop bar body
1 surface is provided with shape of threads striped 15.Shape of threads striped 15 makes drop bar body 1 smoothly pierce or take out from the soil body
A kind of supplementary structure, the energy auxiliary earth rod of shape of threads striped 15 body 1 are smoothly drilled into inside soil body according to the shape of screw thread, together
Sample can also improve the efficiency of construction of drop bar body 1.
Specific operation principle of the invention is as follows：Drop bar connecting rod 2 is threadedly coupled with drop bar body 1, will be grounded
Rod body 1 is rammed into the soil body, and the sliding seat 35 of the earthing or grounding means is upspring first, second connecting rod 33 is located at sliding seat 35 with fixing
Between seat, the hammering face 22 of the earthing or grounding means is impacted using tup, is driven into the soil body, high-tension line is then linked into wiring
On plate 14, when needing to extract earthing or grounding means, flexible body 36 is tensed using manual, sliding seat 35 is bounced back to first through hole 11
Interior, under the pressure effect of the soil body, first connecting rod 32 and second connecting rod 33 will occur to turn to the central axis of drop bar body 1
It is dynamic, loosen the surrounding soil of drop bar body 1, soil pressure diminishes, and using the strength of turn handle 21, makes earthing or grounding means from soil
Quickly removed in body, complete high-voltage earthing operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. high-voltage earthing device, including drop bar body (1), it is characterised in that：In the top screw thread of the drop bar body (1)
Drop bar connecting rod (2) is connected with, handle (21) is fixed with the drop bar connecting rod (2), the drop bar body (1)
Bottom is aciculiform, has several retaining mechanisms (3), the drop bar the lower end of the drop bar body (1) is circumferentially fixed
Body (1) material is hollow steel tube body and the copper plate being wrapped on the outside of the steel tube body；
The retaining mechanism (3) includes being arranged on the hinge seat (31) of drop bar body (1) lower end, cut with scissors with the hinge seat (31)
The first connecting rod (32) that connects, the second connecting rod (33) being hinged with the first connecting rod (32), fixed seat (34) and it is arranged on described
The sliding seat (35) in first through hole (11) on drop bar body (1), one end of the sliding seat (35) pass through spring (37)
Be fixedly connected with the bottom of the first through hole (11), one end of the sliding seat (35) be also fixedly connected with it is described for pulling
The flexible body (36) that sliding seat (35) is slided, the flexible body (36) connect through the first through hole (11) bottom and positioned at described
Second through hole (12) on ground rod body (1) top is simultaneously movable even with being fixed on the fixing-line device (13) on the second through hole (12) top
Connect.
2. high-voltage earthing device as claimed in claim 1, it is characterised in that：The upper end of the drop bar connecting rod (2) is fixed
The hammering face of being connected with (22).
3. high-voltage earthing device as claimed in claim 1, it is characterised in that：The first connecting rod (32) can be to ground connection bat handle
(21) side rotates, and one end of the second connecting rod (33) is be hinged with the first connecting rod (32), and the other end is installed on
The fixed seat (34) is middle with the sliding seat (35), and when pulling flexible body (36), the second connecting rod
(33) can be slided along drop bar body (1).
4. high-voltage earthing device as claimed in claim 1, it is characterised in that：The upper end of the drop bar body (1), which is provided with, to be used
In the terminal plate (14) of ground connection.
5. high-voltage earthing device as claimed in claim 1, it is characterised in that：The retaining mechanism (3) is in the drop bar sheet
The lower end of body (1) is arranged circumferentially as 3-5.
6. high-voltage earthing device as claimed in claim 1, it is characterised in that：The flexible body (36) is steel wire rope or can drawn
Move the flexible body (36) that the sliding seat is slided in the first through hole.
7. high-voltage earthing device as claimed in claim 1, it is characterised in that：The handle (21), which is provided with, prevents hand from sliding
Non-slip rubber set (211).
8. high-voltage earthing device as claimed in claim 1, it is characterised in that：The surface of the drop bar body (1) is provided with
Shape of threads striped (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986452.5A CN107799915B (en) | 2017-10-20 | 2017-10-20 | High-voltage earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986452.5A CN107799915B (en) | 2017-10-20 | 2017-10-20 | High-voltage earthing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107799915A true CN107799915A (en) | 2018-03-13 |
| CN107799915B CN107799915B (en) | 2019-04-16 |
Family
ID=61532610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710986452.5A Active CN107799915B (en) | 2017-10-20 | 2017-10-20 | High-voltage earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107799915B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390166A (en) * | 2018-04-28 | 2018-08-10 | 广东电网有限责任公司 | Grounding rod and earthing or grounding means |
| CN109586109A (en) * | 2018-11-22 | 2019-04-05 | 国家电网有限公司 | A kind of high-voltage earthing device |
| CN112768967A (en) * | 2020-12-29 | 2021-05-07 | 袁中年 | Power single-pole point type grounding device for urban area |
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| JPH01279579A (en) * | 1988-05-06 | 1989-11-09 | Watanabe Tsuguhiko | Bundling metal member for earth wire |
| CN201868587U (en) * | 2010-12-06 | 2011-06-15 | 河南省电力公司濮阳供电公司 | Power grounding pile |
| CN202352840U (en) * | 2011-10-31 | 2012-07-25 | 柏乡县供电公司 | Improved ground rod |
| CN202454738U (en) * | 2012-03-06 | 2012-09-26 | 安徽理工大学 | Grounding pile for power equipment |
| CN203910989U (en) * | 2014-06-15 | 2014-10-29 | 李军 | Electrical grounding pile of oil pumping unit |
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| CN204793238U (en) * | 2015-06-12 | 2015-11-18 | 林锦华 | Theftproof type electric power earthing device |
| CN105587152A (en) * | 2014-10-24 | 2016-05-18 | 无锡市金力电力成套设备有限公司 | Locating fault removing type power lever mounting structure |
| CN205488612U (en) * | 2016-04-12 | 2016-08-17 | 屈强 | Open -air quick ground connection stake |
| CN205723980U (en) * | 2016-06-30 | 2016-11-23 | 三峡大学 | Grounding device |
| CN206313149U (en) * | 2017-01-03 | 2017-07-07 | 合肥同智机电控制技术有限公司 | A kind of earthing or grounding means for being easily installed dismounting |
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2017
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01279579A (en) * | 1988-05-06 | 1989-11-09 | Watanabe Tsuguhiko | Bundling metal member for earth wire |
| CN201868587U (en) * | 2010-12-06 | 2011-06-15 | 河南省电力公司濮阳供电公司 | Power grounding pile |
| CN202352840U (en) * | 2011-10-31 | 2012-07-25 | 柏乡县供电公司 | Improved ground rod |
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| CN105587152A (en) * | 2014-10-24 | 2016-05-18 | 无锡市金力电力成套设备有限公司 | Locating fault removing type power lever mounting structure |
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| CN204793238U (en) * | 2015-06-12 | 2015-11-18 | 林锦华 | Theftproof type electric power earthing device |
| CN205488612U (en) * | 2016-04-12 | 2016-08-17 | 屈强 | Open -air quick ground connection stake |
| CN205723980U (en) * | 2016-06-30 | 2016-11-23 | 三峡大学 | Grounding device |
| CN206313149U (en) * | 2017-01-03 | 2017-07-07 | 合肥同智机电控制技术有限公司 | A kind of earthing or grounding means for being easily installed dismounting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390166A (en) * | 2018-04-28 | 2018-08-10 | 广东电网有限责任公司 | Grounding rod and earthing or grounding means |
| CN109586109A (en) * | 2018-11-22 | 2019-04-05 | 国家电网有限公司 | A kind of high-voltage earthing device |
| CN112768967A (en) * | 2020-12-29 | 2021-05-07 | 袁中年 | Power single-pole point type grounding device for urban area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107799915B (en) | 2019-04-16 |
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