CN202503205U - Grounding device of transformer substation - Google Patents
Grounding device of transformer substation Download PDFInfo
- Publication number
- CN202503205U CN202503205U CN 201120405244 CN201120405244U CN202503205U CN 202503205 U CN202503205 U CN 202503205U CN 201120405244 CN201120405244 CN 201120405244 CN 201120405244 U CN201120405244 U CN 201120405244U CN 202503205 U CN202503205 U CN 202503205U
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- China
- Prior art keywords
- screw
- screw rod
- folder
- grounding
- type folder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The embodiment of the utility model discloses a grounding device of a transformer substation. The grounding device comprises: a U-shaped clamp element, a fixed flat iron screw, a grounded screw, and a butterfly-like clamp. The U-shaped clamp element includes a U-shaped clamp end and a hole-contained end; a first screw hole is arranged on a clamp branch of the U-shaped clamp end; the fixed flat iron screw is sleevedly connected to the U-shaped clamp element by the first screw hole; a second screw hole is arranged on the hole-contained end and the grounded screw is sleevedly arranged on the U-shaped clamp element by the second screw hole; one end of the grounded screw is provided with a grounded bolt for connecting a ground wire and the other end of the grounded screw is provided with screw threads for sleevedly connecting the butterfly-like clamp. According to the grounding device provided by the utility model, damages of the grounded flat iron and the ground wire can be avoided and a problem of ground wire matching can be solved.
Description
Technical field
The utility model relates to the power transmission and distribution transmission system, relates in particular to a kind of substation grounding device.
Background technology
When the on-the-spot ground connection plug-in strip of transformer station breaks down, further enlarge and protect maintainer's personal safety,, need carry additionally temporary ground wire usually according to the service work requirement for avoiding equipment power failure scope.At present, the equipment of general realization temporary grounding function mainly contains two kinds of earthing device.A kind of is strap bolt pass earthing device, and this earthing device is that the conductor wire end with temporary ground wire repacks strap bolt cellular type earth connection into and forms.When the ground connection plug-in strip breaks down need hang temporary ground wire the time, the on-the-spot ground connection band iron welding of bolt nose end and transformer station with the type earthing device realizes the reliable ground function.Another kind of earthing device is an Earth pile-head; This Earth pile-head comprises U type folder, fixing band iron bolt; Earth stud; Wherein in the U type folder double fastener is pressed from both sides on end and the double fastener connector and is respectively had a bolt hole, and fixedly the band iron bolt compresses the ground connection band iron through the bolt hole on the folder end, and earth stud is through the connection of the bolt hole on double fastener connector earth connection.When the ground connection plug-in strip breaks down need hang temporary ground wire the time, the U type folder of this Earth pile-head is inserted ground connection band iron appropriate location, be rotated down fixedly that the band iron bolt compresses the ground connection band iron, earth connection is socketed on the earth stud screws, be grounded.
Shortcoming is all arranged in above-mentioned two kinds of earthing device: first kind of earthing device is owing to need welding, and the conductor wire end of earth connection is through after the multiple welding, and earth terminal damages easily, contact insecurely, causes conductive capability decline, influences grounding function; And welding wastes time and energy, and increases difficulty to service work.Second kind of earthing device is after compressing the ground connection band iron, and need are socketed in the bolt hole of earth connection on the earth stud of Earth pile-head again, and then screws through the bolt hole on the U type folder connector, thereby is grounded, and this operation sequence is numerous and diverse, has prolonged maintenance difficulty; And the size of earth stud that is not bolt hole and the Earth pile-head of all earth connection under any circumstance all can be mated, if can not socket, can't be grounded function.
The utility model content
Because the deficiency that prior art exists; The purpose of the utility model is to provide a kind of substation grounding device; This installs the characteristics of comprehensive earthing device of the prior art; On U type clamping connection ground device basic, rationally improve, to solve the easy corrupted of earth terminal and earth terminal and the unmatched problem of earthing device.
Be to realize above-mentioned purpose, the substation grounding device that the utility model embodiment provides comprises: U type folder, fixedly band iron screw rod, grounding screw rod and butterfly are pressed from both sides; Wherein: said U type folder comprises U type folder end and end with holes; A folder of said U type folder end props up and is provided with first screw; Said fixedly band iron screw rod is socketed on the U type folder through said first screw; Said end with holes is provided with second screw, and said grounding screw rod is socketed on the U type folder through said second screw; One end of said grounding screw rod is provided with the earth stud that is used to connect earth connection, and the other end of said grounding screw rod is provided with the screw thread that is used for the said butterfly folder of socket.
Preferably, said second screw is provided with six-sided nut.
The substation grounding device of the utility model embodiment adopts U type folder structure; End at U type folder is provided with U type folder, and a folder of U type folder props up bolt hole is set, and is used for fixedly band iron screw rod of socket; The other end of U type folder is provided with center hole, is used for the socket grounding screw rod; Grounding screw rod is provided with the earth stud that is used to connect earth connection and through the butterfly folder grounding screw rod is fixed on the screw thread on the U type folder with being used for.Compared with prior art, the earthing device of the utility model embodiment directly is connected with the ground connection band iron through the mode of screwing, and avoids the damage of adopting welding manner to bring for ground connection band iron and earth connection; Simultaneously, earth connection is fixed through the earth stud on the grounding screw rod, directly grounding screw rod is spun on the U type folder during use, thereby no longer has earth connection size matching problem, brings very big facility to service work.
Description of drawings
Fig. 1 is the U type folder of the utility model embodiment and the fixing sectional structure chart of band iron screw rod;
Fig. 2 is the sectional structure chart of the grounding screw rod of the utility model embodiment.
Embodiment
The main thought of the utility model is to adopt U type folder structure, at an end of U type folder U type folder is set, and the folder of U type folder props up bolt hole is set, and is used for fixedly band iron screw rod of socket, and the other end of U type folder is provided with center hole, is used for the socket grounding screw rod; Grounding screw rod is provided with the earth stud that is used to connect earth connection and through the butterfly folder grounding screw rod is fixed on the screw thread on the U type folder with being used for.This ground connection band iron has been avoided the damage of ground connection band iron and earth connection through the mode that swivel bolt compresses; Will no longer there be earth connection size matching problem in earth connection through the earth stud fixed form on the grounding screw rod, efficiently solve the problem that prior art exists.
In order to make those skilled in the art can further understand the characteristic and the technology contents of the utility model,, the technical scheme of the utility model is described in detail below in conjunction with accompanying drawing and embodiment.
Referring to accompanying drawing 1,2, the figure shows the earthing device structure chart of a kind of embodiment of the utility model, wherein Fig. 1 is U type folder and the fixing sectional structure chart that combines of band iron screw rod, Fig. 2 is the sectional structure chart of grounding screw rod.The substation grounding device that this embodiment provides comprises: U type folder 201, fixedly band iron screw rod 202, grounding screw rod 203 and butterfly folder; Wherein: U type folder 201 bag U type folder end and ends with holes; A folder of U type folder end props up and is provided with first screw 2011; Fixedly band iron screw rod 202 is socketed on the U type folder 201 through first screw 2011; End with holes is provided with second screw 2013, and grounding screw rod 203 is socketed on the U type folder 201 through second screw 2013; One end of grounding screw rod 203 is provided with the earth stud 2031 that is used to connect earth connection, and grounding screw rod 203 other ends are provided with the screw thread that is used for socket butterfly folder.
The course of work of present embodiment is: when the ground connection plug-in strip breaks down need carry additionally temporary ground wire the time; The U type folder of the U type folder 201 of earthing device is inserted ground connection band iron appropriate location; Fixedly band iron screw rod 202 is socketed on the U type folder through first screw 2011 then; And rotational fixation band iron screw rod 202, until compressing the ground connection band iron; With connecting on second screw 2013 of grounding screw rod 203 socket U type folders 201 of earth connection through earth stud 2031 in advance; Then butterfly is pressed from both sides the screw thread that grounding screw rod 203 is advanced in 204 sockets; Rotation butterfly folder 204; Until grounding screw rod 203 being fixed on the U type folder, accomplish the temporary ground wire work that articulates thus.
The substation grounding device of present embodiment adopts U type folder structure, at an end of U type folder U type folder is set, and on the folder of U type folder bolt hole is set, and is used for fixedly band iron screw rod of socket, and the other end of U type folder is provided with center hole, is used for the socket grounding screw rod; Grounding screw rod is provided with the earth stud that is used to connect earth connection and through the butterfly folder grounding screw rod is fixed on the screw thread on the U type folder with being used for.Compared with prior art, the earthing device of the utility model embodiment directly is connected with the ground connection band iron through the mode of screwing, and avoids the damage of adopting welding manner to bring for ground connection band iron and earth connection; Simultaneously, earth connection is fixed through the earth stud on the grounding screw rod, directly grounding screw rod is spun on the U type folder during use, thereby no longer has earth connection size matching problem, brings very big facility to service work.
Earthing device in the foregoing description does not have specific (special) requirements to material, can adopt irony, can adopt steel yet, as long as can satisfy the realization that the ground connection conducting function does not all influence the utility model goal of the invention.But in actual application; The material of the preferred earthing device of the utility model is a stainless steel; Because stainless steel can be avoided earthing device generation oxidation, and then avoid oxidation to cause the earthing device conductive capability to descend, cause the security threat that imperfect earth causes the person, equipment.
Earthing device in the foregoing description not have very special requirement to the contact-making surface that the folder of fixedly band iron screw rod and U type folder props up face, needs only this contact and can be grounded the realization that conducting function does not all influence the goal of the invention of the utility model.But in practical application, in order to increase conductive capability, improve the ground connection reliability, the preferred U type folder of the utility model face is smooth more smooth good more.
Earthing device in the above-described embodiments is to not very special requirement of the degree that tightens up between grounding screw rod and the U type folder, as long as this degree of tightening up can be grounded the realization that conducting function does not all influence the goal of the invention of the utility model.But in practical application, cause loose contact in order to prevent to be moved between grounding screw rod and the U type folder, the utility model preferably increases six-sided nut on second screw.
Above-described the utility model execution mode does not constitute the qualification to the utility model protection range.The modification of being done within any spirit and principle at the utility model, be equal to replacement and improvement etc., all should be included within the claim protection range of the utility model.
Claims (2)
1. substation grounding device; It is characterized in that; Said device comprises: U type folder (201), fixedly band iron screw rod (202), grounding screw rod (203) and butterfly folder; Wherein: said U type folder (201) comprises that the U type presss from both sides end and end with holes, and a folder of said U type folder end props up and is provided with first screw (2011), and said fixedly band iron screw rod (202) is socketed on the said U type folder (201) through said first screw (2011); Said end with holes is provided with second screw (2013), and said grounding screw rod (203) is socketed on the said U type folder (201) through said second screw (2013); One end of said grounding screw rod (203) is provided with the earth stud (2031) that is used to connect earth connection, and the other end of said grounding screw rod (203) is provided with the screw thread that is used for socket butterfly folder.
2. earthing device according to claim 1 is characterized in that, said second screw (2013) is provided with six-sided nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120405244 CN202503205U (en) | 2011-10-21 | 2011-10-21 | Grounding device of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120405244 CN202503205U (en) | 2011-10-21 | 2011-10-21 | Grounding device of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503205U true CN202503205U (en) | 2012-10-24 |
Family
ID=47039805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120405244 Expired - Fee Related CN202503205U (en) | 2011-10-21 | 2011-10-21 | Grounding device of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066515A (en) * | 2011-10-21 | 2013-04-24 | 宁波电业局 | Converting station grounding device |
| CN103094728A (en) * | 2013-01-11 | 2013-05-08 | 湖州电力局 | General grounded piece |
-
2011
- 2011-10-21 CN CN 201120405244 patent/CN202503205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066515A (en) * | 2011-10-21 | 2013-04-24 | 宁波电业局 | Converting station grounding device |
| CN103094728A (en) * | 2013-01-11 | 2013-05-08 | 湖州电力局 | General grounded piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20201021 |