CN103066515A - Converting station grounding device - Google Patents
Converting station grounding device Download PDFInfo
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- CN103066515A CN103066515A CN2011103238944A CN201110323894A CN103066515A CN 103066515 A CN103066515 A CN 103066515A CN 2011103238944 A CN2011103238944 A CN 2011103238944A CN 201110323894 A CN201110323894 A CN 201110323894A CN 103066515 A CN103066515 A CN 103066515A
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- grounding
- screw rod
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- folder
- shaped folder
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Abstract
The invention discloses a converting station grounding device which comprises a U-shaped clamp piece, a fixed flat iron screw, a grounding screw and a butterfly-shaped clamp. The U-shaped clamp piece comprises a U-shaped clamp end and an end with a hole. A first screw hole is formed in one clamp branch part of the U-shaped clamp end. The fixed flat iron screw is connected on the U-shaped clamp piece in a sleeved mode through the first screw hole. The end with the hole is provided with a second screw hole. The grounding screw is connected on the U-shaped clamp piece through the second screw hole. A grounding bolt which is used for being connected with a grounding wire is arranged at one end of the grounding screw, and a thread which is used for being connected with the butterfly-shaped clamp in a sleeved mode is arranged at the other end of the grounding screw. According to the converting station grounding device, damage of grounding flat iron and the grounding wire is avoided, and matching problems of the grounding wire are solved.
Description
Technical field
The present invention relates to the power transmission and distribution transmission system, relate in particular to a kind of substation grounding device.
Background technology
When the earthing switch blade of substation field breaks down, further enlarge and protect maintainer's personal safety for avoiding the equipment power failure range, according to the service work requirement, usually need to carry additionally temporary ground wire.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 shown in accompanying drawing 1 (a), this earthing device is that the conductor wire end with temporary ground wire repacks strap bolt cellular type earth connection into and forms.When earthing switch blade breaks down need to hang temporary ground wire the time, the ground connection band iron welding with bolt nose end and the substation field of the type earthing device realizes the reliable ground function.Another kind of earthing device is Earth pile-head, shown in accompanying drawing 1 (b), this Earth pile-head comprises U-shaped folder, fixing band iron bolt, earth stud, wherein respectively has a bolt hole on the folder of in U-shaped folder double fastener end and the double fastener connector, fixedly the band iron bolt compresses the ground connection band iron by the bolt hole on the folder end, and earth stud connects earth connection by the bolt hole on the double fastener connector.When earthing switch blade breaks down need to hang temporary ground wire the time, the U-shaped folder of this Earth pile-head is inserted ground connection band iron appropriate location, be rotated down fixedly band iron bolt compression ground connection band iron, earth connection is socketed on the earth stud screws, be grounded.
Above-mentioned two kinds of earthing device all have shortcoming: the first earthing device is owing to needing welding, and the conductor wire end of earth connection is through after the multiple welding, and earth terminal easily damages, and contact insecurely, causes conductive capability decline, affects grounding function; And welding wastes time and energy, and increases difficulty to service work.The second 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 screw by the bolt hole on the U-shaped folder connector, thereby are grounded, and this operation sequence is numerous and diverse, has prolonged maintenance difficulty; And the size that is not the earth stud of the bolt hole of all earth connection and Earth pile-head under any circumstance all can be mated, if can not be socketed, can't be grounded function.
Summary of the invention
Because the deficiency that prior art exists, the object of the present invention is to provide a kind of substation grounding device, this installs the characteristics of comprehensive earthing device of the prior art, device basic carries out rational modification on U-shaped clamping connection ground, to solve the easy corrupted of earth terminal and earth terminal and the unmatched problem of earthing device.
For achieving the above object, the substation grounding device that provides of the embodiment of the invention comprises: U-shaped folder, fixedly band iron screw rod, grounding screw rod and butterfly folder; Wherein: described U-shaped folder comprises U-shaped folder end and band nose end, a folder of described U-shaped folder end props up and is provided with the first screw, described fixedly band iron screw rod is socketed on the U-shaped folder by described the first screw, described band nose end is provided with the second screw, and described grounding screw rod is socketed on the U-shaped folder by described the second screw; One end of described grounding screw rod is provided with for the earth stud that connects earth connection, and the other end of described grounding screw rod is provided be used to the screw thread that is socketed described butterfly folder.
Preferably, be provided with six-sided nut on described the second screw.
The substation grounding device of the embodiment of the invention adopts U-shaped clamping structure, end at U-shaped folder arranges U-shaped folder, and a folder of U-shaped folder props up bolt hole is set, and is used for being fixed by socket the band iron screw rod, the other end of U-shaped folder arranges center hole, is used for the socket grounding screw rod; Be provided with for the earth stud that connects earth connection on the grounding screw rod and be used for by the butterfly folder grounding screw rod being fixed on screw thread on the U-shaped folder.Compared with prior art, the earthing device of the embodiment of the invention directly is connected with the ground connection band iron by screwing mode, the damage of avoiding adopting welding manner to bring to ground connection band iron and earth connection; Simultaneously, earth connection is fixed by the earth stud on the grounding screw rod, directly grounding screw rod is spun on the U-shaped folder during use, thereby no longer has earth connection size matching problem, brings very big facility to service work.
Description of drawings
Fig. 1 (a), (b) are substation grounding device commonly used in the prior art;
Fig. 2 (a) is the U-shaped folder of the embodiment of the invention and the fixing sectional structure chart of band iron screw rod;
Fig. 2 (b) is the sectional structure chart of the grounding screw rod of the embodiment of the invention;
Fig. 3 (a) is the U-shaped folder of the embodiment of the invention and the fixing instance graph of band iron screw rod;
Fig. 3 (b) is the grounding screw rod of the embodiment of the invention and the instance graph of butterfly folder.
Embodiment
Main thought of the present invention is to adopt U-shaped clamping structure, at an end of U-shaped folder U-shaped folder is set, and the folder of U-shaped folder props up bolt hole is set, and is used for being fixed by socket the band iron screw rod, and the other end of U-shaped folder arranges center hole, is used for the socket grounding screw rod; Be provided with for the earth stud that connects earth connection on the grounding screw rod and be used for by the butterfly folder grounding screw rod being fixed on screw thread on the U-shaped folder.This ground connection band iron has been avoided the damage of ground connection band iron and earth connection by the mode that swivel bolt compresses; Will no longer there be earth connection size matching problem in earth connection by 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 feature of the present invention and technology contents, below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
Referring to accompanying drawing 2, the figure shows the earthing device structure chart of a kind of embodiment of the present invention, wherein Fig. 2 (a) be U-shaped folder and fixedly the combination of band iron screw rod join the face structure chart, Fig. 2 (b) is the sectional structure chart of grounding screw rod.The substation grounding device that this embodiment provides comprises: U-shaped folder 201, fixedly band iron screw rod 202, grounding screw rod 203 and butterfly folder; Wherein: U-shaped folder 201 comprises U-shaped folder end and band nose end, a folder of U-shaped folder end props up and is provided with the first screw 2011, fixedly band iron screw rod 202 is socketed on the U-shaped folder 201 by the first screw 2011, the band nose end is provided with the second screw 2013, and grounding screw rod 203 is socketed on the U-shaped folder 201 by the second screw 2013; One end of grounding screw rod 203 is provided with for the earth stud 2031 that connects earth connection, and grounding screw rod 203 other ends are provided with the screw thread for socket butterfly folder.
The course of work of the present embodiment is: when earthing switch blade breaks down need to carry additionally temporary ground wire the time, the U-shaped folder of the U-shaped folder 201 of earthing device is inserted ground connection band iron appropriate location, then fixedly band iron screw rod 202 is socketed on the U-shaped folder by the first screw 2011, and rotate fixedly band iron screw rod 202, until compress the ground connection band iron; Grounding screw rod 203 cover that connects earth connection by earth stud 2031 is in advance tapped on the second screw 2013 of U-shaped folder 201, then butterfly folder 204 covers are tapped into the screw thread of grounding screw rod 203, rotation butterfly folder 204, until grounding screw rod 203 is fixed on the U-shaped folder, finish thus the temporary ground wire work that articulates.
The substation grounding device of the present embodiment adopts U-shaped clamping structure, at an end of U-shaped folder U-shaped folder is set, and on the folder of U-shaped folder bolt hole is set, and is used for being fixed by socket the band iron screw rod, and the other end of U-shaped folder arranges center hole, is used for the socket grounding screw rod; Be provided with for the earth stud that connects earth connection on the grounding screw rod and be used for by the butterfly folder grounding screw rod being fixed on screw thread on the U-shaped folder.Compared with prior art, the earthing device of the embodiment of the invention directly is connected with the ground connection band iron by screwing mode, the damage of avoiding adopting welding manner to bring to ground connection band iron and earth connection; Simultaneously, earth connection is fixed by the earth stud on the grounding screw rod, directly grounding screw rod is spun on the U-shaped folder during use, thereby no longer has earth connection size matching problem, brings very big facility to service work.
The device of understanding the embodiment of the invention for ease of image, the applicant has provided the instance graph of above-described embodiment, shown in accompanying drawing 3, wherein Fig. 3 (a) is U-shaped folder and the fixing instance graph of band iron screw rod, and Fig. 3 (b) is the instance graph of grounding screw rod and butterfly folder.End portion at the fixedly band iron screw rod shown in Fig. 3 (a) is provided with a lateral strut, its role is to fixedly band iron screw rod of convenient rotation, increase fixedly band iron screw rod and U-shaped folder to the chucking power of ground connection band iron.
Earthing device in above-described embodiment 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 affect goal of the invention of the present invention.But in actual application, the material of the preferred earthing device of the present invention is 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 above-described embodiment props up the very not special requirement of contact-making surface of face to the fixing folder of band iron screw rod and U-shaped folder, as long as this contact can be grounded the realization that conducting function does not all affect goal of the invention of the present invention.But in practical application, in order to increase conductive capability, improve Earthing Reliability, the preferred U-shaped folder face of the present invention is more smooth smooth better.
Earthing device in the above-described embodiments is to the very not special requirement of the degree that tightens up between grounding screw rod and the U-shaped folder, as long as this tightens up degree and can be grounded the realization that conducting function does not all affect goal of the invention of the present invention.But in practical application, cause loose contact in order to prevent from being moved between grounding screw rod and the U-shaped folder, the present invention preferably increases six-sided nut at the second screw.
Above-described embodiment of the present invention does not consist of the restriction to protection range of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (2)
1. substation grounding device, it is characterized in that, described device comprises: U-shaped folder (201), fixing band iron screw rod (202), grounding screw rod (203) and butterfly folder, wherein: described U-shaped folder (201) comprises U-shaped folder end and band nose end, a folder of described U-shaped folder end props up and is provided with the first screw (2011), described fixedly band iron screw rod (202) is socketed on the described U-shaped folder (201) by described the first screw (2011), described band nose end is provided with the second screw (2013), and described grounding screw rod (203) is socketed on the described U-shaped folder (201) by described the second screw (2013); One end of described grounding screw rod (203) is provided with for the earth stud (2031) that connects earth connection, and the other end of described grounding screw rod (203) is provided with the screw thread for socket butterfly folder.
2. earthing device according to claim 1 is characterized in that, is provided with six-sided nut on described the second screw (2013).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103238944A CN103066515A (en) | 2011-10-21 | 2011-10-21 | Converting station grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103238944A CN103066515A (en) | 2011-10-21 | 2011-10-21 | Converting station grounding device |
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| Publication Number | Publication Date |
|---|---|
| CN103066515A true CN103066515A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103238944A Pending CN103066515A (en) | 2011-10-21 | 2011-10-21 | Converting station grounding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604741A (en) * | 2013-11-14 | 2014-02-26 | 国家电网公司 | Electrolytic cell device based on online electrochemical measurement of power transmission line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN101710675A (en) * | 2009-12-30 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Capacitor bank grounding device |
| CN201590492U (en) * | 2009-12-15 | 2010-09-22 | 华北电网有限公司廊坊供电公司 | Mobile grounding pile |
| CN201898211U (en) * | 2010-11-03 | 2011-07-13 | 中航华东光电有限公司 | Detachable anti-loosening grounding device |
| CN202503205U (en) * | 2011-10-21 | 2012-10-24 | 宁波电业局 | Grounding device of transformer substation |
-
2011
- 2011-10-21 CN CN2011103238944A patent/CN103066515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN201590492U (en) * | 2009-12-15 | 2010-09-22 | 华北电网有限公司廊坊供电公司 | Mobile grounding pile |
| CN101710675A (en) * | 2009-12-30 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Capacitor bank grounding device |
| CN201898211U (en) * | 2010-11-03 | 2011-07-13 | 中航华东光电有限公司 | Detachable anti-loosening grounding device |
| CN202503205U (en) * | 2011-10-21 | 2012-10-24 | 宁波电业局 | Grounding device of transformer substation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604741A (en) * | 2013-11-14 | 2014-02-26 | 国家电网公司 | Electrolytic cell device based on online electrochemical measurement of power transmission line |
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Application publication date: 20130424 |