CN218731823U - Grounding device - Google Patents

Grounding device Download PDF

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Publication number
CN218731823U
CN218731823U CN202223079236.8U CN202223079236U CN218731823U CN 218731823 U CN218731823 U CN 218731823U CN 202223079236 U CN202223079236 U CN 202223079236U CN 218731823 U CN218731823 U CN 218731823U
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CN
China
Prior art keywords
metal adapter
grounding
grounding device
head
insulating rod
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Active
Application number
CN202223079236.8U
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Chinese (zh)
Inventor
邱杰
李晓武
王柯
李飞龙
杨准明
姚笛
唐晓蓉
徐浩
刘玉洁
郑皓
邓胜兰
罗翊君
苏海泉
唐伟鹏
刘香银
王苗瑜
王娜娜
阳冠群
谢熙璇
杨雨薇
胡首
肖阳
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Shaoyang Power Supply Branch Of State Grid Hunan Electric Power Co ltd
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Shaoyang Power Supply Branch Of State Grid Hunan Electric Power Co ltd
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Application filed by Shaoyang Power Supply Branch Of State Grid Hunan Electric Power Co ltd filed Critical Shaoyang Power Supply Branch Of State Grid Hunan Electric Power Co ltd
Priority to CN202223079236.8U priority Critical patent/CN218731823U/en
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Publication of CN218731823U publication Critical patent/CN218731823U/en
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Abstract

The utility model discloses a grounding device, which comprises an insulating rod, a metal adapter and a grounding head, wherein the metal adapter is provided with a fastening component which is contacted with a grounding wire so as to lead the metal adapter to be conducted with the grounding wire; the one end and the insulating rod of metal adapter are connected, and the other end and the earth connection of metal adapter can be dismantled and be connected, and the one end that the metal adapter was kept away from to the earth connection is equipped with first internal thread hole. The first internal thread hole on the grounding head is in threaded connection with the screw in the electrical equipment, so that the risk of unexpected separation of the grounding device and the electrical equipment is reduced, and the stability of grounding conduction of the grounding device and the electrical equipment is improved; this earthing device safety in utilization is high, can reduce the staff and electrocute the risk, guarantees staff's personal safety effectively. In addition, the grounding head is detachably connected with the metal adapter, so that a user can replace the grounding head matched with the electrical equipment according to different calibers of screws in the electrical equipment, and the practicability of the grounding device is enhanced.

Description

Grounding device
Technical Field
The utility model relates to a power equipment technical field especially relates to a grounding device.
Background
In the processes of transformation, overhaul, test, defect elimination and the like of a power system transformer substation, electrical equipment such as a main transformer switch cabinet, a bus tie switch cabinet and the like needs to be grounded, so that the personal safety of workers is ensured.
The existing simple grounding device generally comprises an insulating rod and a metal chuck which are connected, when the grounding device is used, a user firstly connects and conducts a grounding wire and the metal chuck, and then clamps and fixes the metal chuck on electrical equipment, so that the grounding of the electrical equipment is realized. However, in actual use, there is a risk that the metal clip will accidentally come off the electrical equipment, and therefore, the safety of use of such an earthing device is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a grounding device with high safety in use.
In order to solve the technical problem, the utility model discloses a technical scheme be: a grounding device comprises an insulating rod, a metal adapter and a grounding head, wherein a fastening assembly is arranged on the metal adapter and contacts a grounding wire so as to conduct the metal adapter and the grounding wire; the one end of metal adapter with the insulating rod is connected, the other end of metal adapter with the ground connection head can be dismantled and be connected, the ground connection head is kept away from the one end of metal adapter is equipped with first internal thread hole.
Further, fastening components includes the ground screw, be equipped with on the metal adapter with ground screw complex mating holes, the subregion of earth connection is located the head of ground screw with between the metal adapter.
Further, the fastening assembly further comprises a nut, the matching hole is a through hole, and the tail of the grounding screw penetrates through the through hole to be in threaded connection with the nut.
Further, the other end of metal adapter is equipped with the jack, the cross-section of jack is non-circular, the ground connection head is close the one end of insulating rod with the jack cooperation.
Furthermore, a second internal thread hole which is communicated with the outer wall surface of the metal adapter and the jack is formed in the metal adapter, a locking screw is connected to the second internal thread hole in an internal thread mode, and the locking screw abuts against the grounding head.
Further, the cross section of the jack is polygonal or oval.
Further, the insulating rod is close to the one end of metal adapter is equipped with the ferrule, the insulating rod passes through the ferrule is connected the metal adapter.
Furthermore, a plurality of clamping blocks are arranged on the metal adapter, and clamping grooves matched with the clamping blocks are formed in the pipe hoop.
Furthermore, the clamping groove is L-shaped or convex.
Furthermore, an insulating handle sleeve is arranged at one end, far away from the metal adapter, of the insulating rod.
The beneficial effects of the utility model reside in that: the grounding device is in threaded connection with a screw in the electrical equipment through the first internal threaded hole in the grounding head, so that the risk of unexpected separation of the grounding device and the electrical equipment is effectively reduced, and the stability of grounding conduction of the grounding device and the electrical equipment is improved; this earthing device safety in utilization is high, can reduce the staff and electrocute the risk, guarantees staff's personal safety effectively. In addition, the grounding head is detachably connected with the metal adapter, so that a user can replace the grounding head matched with the electrical equipment according to different calibers of screws in the electrical equipment, and the practicability of the grounding device is enhanced. Because the clamping force of the metal chuck can be reduced after the metal chuck is used for a period of time, compared with a grounding device in the form of the metal chuck, the grounding device also has the advantage of long service life.
Drawings
Fig. 1 is a schematic structural diagram of an overall structure of a grounding device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grounding head in a grounding device according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a metal adapter in a grounding device according to a first embodiment of the present invention.
Description of reference numerals:
1. an insulating rod;
2. a metal adapter; 21. a jack; 22. a second internally threaded bore; 23. a clamping block; 24. a mating hole;
3. a grounding head; 31. a first internally threaded bore;
4. a fastening assembly; 41. a grounding screw; 42. a nut;
5. locking screws;
6. a pipe hoop; 61. a card slot;
7. an insulating handle sleeve.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a grounding device includes an insulating rod 1, a metal adapter 2 and a grounding head 3, wherein a fastening assembly 4 is disposed on the metal adapter 2, and the fastening assembly 4 contacts a grounding wire to conduct the metal adapter 2 and the grounding wire; the one end of metal adapter 2 with insulating rod 1 is connected, the other end of metal adapter 2 with the connection can be dismantled to earthing head 3, earthing head 3 keeps away from the one end of metal adapter 2 is equipped with first internal thread hole 31.
From the above description, the beneficial effects of the present invention are: the grounding device is in threaded connection with a screw in the electrical equipment through the first internal threaded hole 31 on the grounding head 3, so that the risk of unexpected separation of the grounding device and the electrical equipment is effectively reduced, and the stability of grounding conduction of the grounding device and the electrical equipment is improved; this earthing device safety in utilization is high, can reduce the staff and electrocute the risk, guarantees staff's personal safety effectively. In addition, the grounding head 3 and the metal adapter 2 can be detachably connected, so that a user can change the grounding head 3 matched with the electrical equipment according to different calibers of screws in the electrical equipment, and the practicability of the grounding device is enhanced.
Further, the fastening assembly 4 includes a ground screw 41, a mating hole 24 matched with the ground screw 41 is formed in the metal adapter 2, and a partial region of the ground wire is located between the head of the ground screw 41 and the metal adapter 2.
As can be seen from the above description, a clamping area for clamping and fixing the ground wire is formed between the head of the ground screw 41 and the metal adapter 2, so as to ensure that the ground wire and the metal adapter 2 realize good contact conduction.
Further, the fastening assembly 4 further includes a nut 42, the fitting hole 24 is a through hole, and the tail portion of the grounding screw 41 passes through the through hole to be in threaded connection with the nut 42.
As can be seen from the above description, the fitting hole 24 does not need to be internally threaded, which facilitates the manufacturing of the metal adapter 2 and facilitates the reduction of the manufacturing cost of the grounding device.
Further, the other end of metal adapter 2 is equipped with jack 21, the cross-section of jack 21 is non-circular, ground connection 3 is close to the one end of insulating rod 1 with the jack 21 cooperation.
According to the above description, the metal adapter 2 and the grounding head 3 are simple in matching mode, and a user can conveniently replace the grounding head 3. Meanwhile, the grounding head 3 cannot rotate relative to the metal adapter 2, and the working stability of the grounding device is guaranteed.
Further, a second internal thread hole 22 communicating the outer wall surface of the metal adapter 2 with the insertion hole 21 is formed in the metal adapter, a locking screw 5 is connected to the second internal thread hole 22 in an internal thread mode, and the locking screw 5 abuts against the grounding head 3.
Known by the above description, the stability that earthing head 3 and metal adapter 2 are connected can be guaranteed in setting up of locking screw 5, ensures that earthing head 3 can not unexpected break away from metal adapter 2, has improved earthing device's structural stability.
Further, the cross section of the insertion hole 21 is polygonal or elliptical.
As can be seen from the above description, the specific shape of the insertion hole 21 can be set as desired.
Further, insulating rod 1 is close to metal adapter 2's one end is equipped with ferrule 6, insulating rod 1 passes through ferrule 6 connects metal adapter 2.
As can be seen from the above description, the presence of the pipe clamp 6 enables the metal adapter 2 to be firmly connected to the insulating rod 1.
Further, a plurality of clamping blocks 23 are arranged on the metal adapter 2, and clamping grooves 61 matched with the clamping blocks 23 are arranged on the pipe hoop 6.
According to the above description, the pipe clamp 6 and the metal adapter 2 can be separated, and when the insulating rod 1/pipe clamp 6 and the metal adapter 2 are damaged, the pipe clamp can be directly replaced, so that the later maintenance of the grounding device is facilitated, and the use cost of the grounding device is favorably reduced.
Further, the locking groove 61 is L-shaped or convex.
As can be seen from the above description, the specific shape of the card slot 61 can be set as desired.
Further, an insulating handle sleeve 7 is arranged at one end, far away from the metal adapter 2, of the insulating rod 1.
It can be known from the above description that the setting of insulating handle cover 7 is convenient for the user to hold to make the user can use this earthing device more conveniently, do benefit to reinforcing user's use experience.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the utility model provides a grounding device for ground connection electrical equipment, electrical equipment includes but not limited to main transformer switch cabinet, bus tie switch cabinet etc. electrical equipment has the screw, the screw both can be the fastening screw of electrical equipment's main frame, also can be the mounting screw that is used for installing other components and parts, can also be the connecting screw of connecting components and parts, or components and parts and main frame.
The grounding device comprises an insulating rod 1, a metal adapter 2 and a grounding head 3, wherein a fastening component 4 is arranged on the metal adapter 2, and the fastening component 4 is in contact with a grounding wire so as to conduct the metal adapter 2 with the grounding wire; the one end of metal adapter 2 with insulating rod 1 is connected, the other end of metal adapter 2 with the connection can be dismantled to earthing head 3, earthing head 3 keeps away from the one end of metal adapter 2 is equipped with first internal thread hole 31, first internal thread hole 31 be used for with electrical equipment on screw threaded connection to realize earthing device with the ground connection of screw switches on. As will be understood, the metal adapter 2 is in contact with the ground terminal 3. The material of ground connection 3 can be copper or other metal that the conducting capacity is strong, and in the same way, the material of metal adapter 2 also can be copper or other metal that the conducting capacity is strong. The ground wire may be provided by the electrical device itself, or may be separately provided by a worker at a work site.
Fastening components 4 includes ground screw 41, be equipped with on the metal adapter 2 with ground screw 41 complex mating hole 24, the subregion of earth connection is located the head of ground screw 41 with between the metal adapter 2. In this embodiment, the fastening assembly 4 further includes a nut 42, the fitting hole 24 is a through hole, and the tail of the grounding screw 41 passes through the through hole and is in threaded connection with the nut 42. It will be readily appreciated that in other embodiments, the mating hole 24 is an internally threaded hole when the fastening assembly 4 does not include the nut 42.
Specifically, the other end of metal adapter 2 (promptly metal adapter 2 keeps away from the one end of insulating rod 1) is equipped with jack 21, the cross-section of jack 21 is non-circular, ground connection 3 is close to the one end of insulating rod 1 with the cooperation of jack 21. The cross section of the insertion hole 21 is polygonal or oval, in this embodiment, the cross section of the insertion hole 21 is hexagonal, and in other embodiments, the cross section of the insertion hole 21 may also be triangular, rectangular, pentagonal or other polygonal shapes.
In order to prevent the grounding head 3 from being accidentally separated from the metal adapter 2, preferably, the metal adapter 2 is provided with a second internal thread hole 22 for communicating the outer wall surface thereof with the jack 21, the second internal thread hole 22 is internally connected with a locking screw 5, and the locking screw 5 abuts against the grounding head 3. In some embodiments, the locking screw 5 may also be a screw.
In detail, the insulating rod 1 is close to the one end of metal adapter 2 is equipped with ferrule 6, insulating rod 1 passes through ferrule 6 is connected metal adapter 2. The pipe clamp 6 is fixed to the insulating rod 1, so that the pipe clamp 6 does not rotate relative to the insulating rod 1.
In some embodiments, the pipe clamp 6 may be fixedly connected to the metal adapter 2, and the pipe clamp 6 may be detachably connected to the metal adapter 2 for later maintenance. Optionally, a plurality of clamping blocks 23 are arranged on the metal adapter 2, and a clamping groove 61 matched with the clamping blocks 23 is arranged on the pipe hoop 6. In this embodiment, the metal adapter 2 has two clamping blocks 23 coaxially disposed thereon.
The slot 61 is in a shape of a straight line, an L, a convex or other shapes.
In order to improve the operation hand feeling of the grounding device, one end of the insulating rod 1, which is far away from the metal adapter 2, is provided with an insulating handle sleeve 7.
To sum up, the grounding device provided by the utility model is connected with the screw thread in the electrical equipment through the first internal thread hole on the grounding head, thereby effectively reducing the risk of unexpected separation between the grounding device and the electrical equipment and improving the stability of grounding conduction between the grounding device and the electrical equipment; this earthing device safety in utilization is high, can reduce the staff and electrocute the risk, guarantees staff's personal safety effectively. In addition, the grounding head is detachably connected with the metal adapter, so that a user can replace the grounding head matched with the electrical equipment according to different calibers of screws in the electrical equipment, and the practicability of the grounding device is enhanced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. A grounding device comprises an insulating rod, and is characterized in that: the metal adapter is provided with a fastening assembly, and the fastening assembly is in contact with a grounding wire so as to conduct the metal adapter and the grounding wire; the one end of metal adapter with the insulating rod is connected, the other end of metal adapter with the ground connection head can be dismantled and be connected, the ground connection head is kept away from the one end of metal adapter is equipped with first internal thread hole.
2. The grounding device of claim 1, wherein: fastening components includes the ground screw, be equipped with on the metal adapter with ground screw complex mating holes, the subregion of earth connection is located the head of ground screw with between the metal adapter.
3. The grounding device of claim 2, wherein: the fastening assembly further comprises a nut, the matching hole is a through hole, and the tail of the grounding screw penetrates through the through hole to be in threaded connection with the nut.
4. The grounding device of claim 1, wherein: the other end of metal adapter is equipped with the jack, the cross-section of jack is non-circular, the ground connection head is close the one end of insulating rod with the jack cooperation.
5. The grounding device of claim 4, wherein: the metal adapter is provided with a second internal thread hole which communicates the outer wall surface of the metal adapter with the jack, a locking screw is connected with the internal thread of the second internal thread hole, and the locking screw abuts against the grounding head.
6. The grounding device of claim 4, wherein: the cross section of the jack is polygonal or elliptical.
7. The grounding device of claim 1, wherein: the insulating rod is close to the one end of metal adapter is equipped with the ferrule, the insulating rod passes through the ferrule is connected the metal adapter.
8. The grounding device of claim 7, wherein: the metal adapter is provided with a plurality of clamping blocks, and the pipe hoop is provided with clamping grooves matched with the clamping blocks.
9. The grounding device of claim 8, wherein: the clamping groove is L-shaped or convex.
10. The grounding device of claim 1, wherein: and an insulating handle sleeve is arranged at one end of the insulating rod, which is far away from the metal adapter.
CN202223079236.8U 2022-11-21 2022-11-21 Grounding device Active CN218731823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223079236.8U CN218731823U (en) 2022-11-21 2022-11-21 Grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223079236.8U CN218731823U (en) 2022-11-21 2022-11-21 Grounding device

Publications (1)

Publication Number Publication Date
CN218731823U true CN218731823U (en) 2023-03-24

Family

ID=85620453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223079236.8U Active CN218731823U (en) 2022-11-21 2022-11-21 Grounding device

Country Status (1)

Country Link
CN (1) CN218731823U (en)

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