CN214175832U - Oil-immersed power transformer iron core grounding structure - Google Patents

Oil-immersed power transformer iron core grounding structure Download PDF

Info

Publication number
CN214175832U
CN214175832U CN202023097079.4U CN202023097079U CN214175832U CN 214175832 U CN214175832 U CN 214175832U CN 202023097079 U CN202023097079 U CN 202023097079U CN 214175832 U CN214175832 U CN 214175832U
Authority
CN
China
Prior art keywords
ground
grounding body
grounding
oil
power transformer
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.)
Expired - Fee Related
Application number
CN202023097079.4U
Other languages
Chinese (zh)
Inventor
张士成
张猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Wanda Transformer Co ltd
Original Assignee
Jiangsu Wanda Transformer Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Wanda Transformer Co ltd filed Critical Jiangsu Wanda Transformer Co ltd
Priority to CN202023097079.4U priority Critical patent/CN214175832U/en
Application granted granted Critical
Publication of CN214175832U publication Critical patent/CN214175832U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The utility model discloses an oil-immersed power transformer grounding structure unshakable in one's determination, include the grounding body, grab ground subassembly, first curb plate and second curb plate, grounding body fixed connection is in the inside on ground, the outside of grounding body is equipped with grabs the ground subassembly, it includes first curb plate, second curb plate, locating lever and inserted bar to grab the ground subassembly, the constant head tank is seted up to the outside of grounding body, the inboard fixed connection locating lever of first curb plate and second curb plate. This oil-immersed power transformer core ground structure, through the outside at the grounding body add grab the ground subassembly, better solution traditional oil-immersed power transformer core ground structure when using grab the not strong problem of land fertility, this ground structure applied in-process can utilize and grab a plurality of italics of ground subassembly and grounding body outside to realize improving and soil area of contact's effect, just so reached the promotion and grabbed the purpose of land fertility, overall structure is simple, the practicality is stronger during the use.

Description

Oil-immersed power transformer iron core grounding structure
Technical Field
The utility model relates to a power transformer technical field specifically is an oil-immersed power transformer grounding structure unshakable in one's determination.
Background
An oil-immersed power transformer belongs to a power transformer, which is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and can reduce 10(6) kV or 35kV network voltage to 230/400V bus voltage used by users, and an iron core in the transformer can be safely operated only by grounding the iron core in the use process.
Most of oil-immersed power transformer iron core ground connection on the present market adopts simple and easy grounding body and earth connection to connect ground and iron core, and the grounding body is that disect insertion or imbed inside the ground, the intensity of connecting at the in-process of using is not high, if take place to destroy very easily and lead to the internal ground of pulling out of ground around, it is not strong enough to grab the land fertility, there is certain limitation in the in-process of use, the part that most ground structure exposes simultaneously all is the structure of integral type, in case inconvenient staff overhauls and maintains after fixing well, it is convenient inadequately during the loading and unloading, comparatively trouble during the use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model is not enough to prior art, the utility model provides an oil-immersed power transformer iron core ground structure, it all adopts simple and easy grounding body and earth connection to connect ground and iron core to have solved the oil-immersed power transformer iron core ground connection on the current market at most, and the grounding body is direct insertion or buries inside the ground, intensity of connecting at the in-process of using is not high, if ground around has taken place to destroy and has leaded to the internal ground of pulling out ground very easily, it is not strong enough to grab the land fertility, there is certain limitation in the in-process of use, the part that the while most grounding structure exposes all is the structure of integral type, in case inconvenient staff overhauls and maintains after fixing well, it is convenient inadequately during loading and unloading, comparatively troublesome problem during the use.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an oil-immersed power transformer grounding structure unshakable in one's determination, includes the grounding body, grabs ground subassembly, first curb plate and second curb plate, grounding body fixed connection is in the inside on ground, the outside of grounding body is equipped with grabs ground subassembly, it includes first curb plate, second curb plate, locating lever and inserted bar to grab ground subassembly, the constant head tank is seted up to the outside of grounding body, the inboard fixed connection locating lever of first curb plate and second curb plate, the locating lever is inlayed in the inside of constant head tank, the inboard of first curb plate is equipped with the inserted bar, the slot is seted up to the inboard of second curb plate, the inserted bar inserts in the inside of slot, the top fixed connection earth connection of grounding body.
Preferably, the ground is internally provided with backfill, and the backfill is wrapped outside the grounding body.
Preferably, the bottom of the grounding body is provided with a cone, the cone is positioned in the ground, the outside of the grounding body is fixedly connected with an inclined body, the inclined body is symmetrically distributed, and the inclined body is designed into an inverted triangular structure.
Preferably, the first side plate and the second side plate are symmetrically distributed, and the first side plate and the second side plate are both semicircular.
Preferably, the top of grounding body is equipped with sealed piece, sealed piece is located the top of backfill soil, the top of sealed piece is equipped with the internal thread sleeve, the telescopic inside fixed connection screwed pipe of internal thread, the top of screwed pipe is equipped with insulating protection tube, the earth connection is inlayed in the inside of sealed piece, insulating protection tube is located the outside of earth connection.
Preferably, the interior of the internally threaded sleeve is connected with a sealing ring in a fitting manner, and the sealing ring is clamped between the internally threaded sleeve and the threaded pipe.
(III) advantageous effects
The utility model provides an oil-immersed power transformer grounding structure unshakable in one's determination. The method has the following beneficial effects:
(1) the oil-immersed power transformer iron core grounding structure solves the problem of weak ground-grabbing force when the traditional oil-immersed power transformer iron core grounding structure is used better by additionally arranging the ground-grabbing component outside the grounding body, and the ground-grabbing component consists of the first side plate and the second side plate, so that when the grounding structure is installed, the grounding body is only embedded into the ground firstly, then a part of backfill soil is filled in, the first side plate and the second side plate are installed outside the grounding body, then the backfill soil is continuously filled in until the grounding body is completely covered, therefore, the effects of improving the contact area with the soil can be realized by utilizing a plurality of inclined bodies outside the ground-grabbing component and the grounding body in the application process of the grounding structure, the purpose of improving the ground-grabbing force is achieved, the stability and the strength of the grounding structure when the grounding structure is used are greatly improved, the whole structure is simple, the practicability is stronger when the device is used;
(2) this oil-immersed power transformer grounding structure unshakable in one's determination, it connects the insulation protection pipe to be equipped with internal thread sleeve and screwed pipe through the top at the grounding body, just very convenience when equipment insulation protection pipe like this, only need to aim at the screwed pipe and the internal thread sleeve of insulation protection pipe bottom, then continuous rotatory insulation protection pipe until the screwed pipe of bottom twist internal thread telescopic inside can, it is simple convenient during the installation, and the staff can be at any time open the junction of insulation protection pipe to earth wire and examine, the flexibility is stronger during the operation.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the insulation protection tube of the present invention;
fig. 3 is a schematic diagram of the structure of the first side plate and the second side plate of the present invention;
fig. 4 is a cross-sectional view of the grounding body of the present invention.
In the figure, a grounding body-1, a ground surface-2, backfill-3, an inclined body-4, a ground grabbing component-5, a first side plate-6, a second side plate-7, a positioning rod-8, an inserting rod-9, a slot-10, a positioning groove-11, a sealing block-12, an internal thread sleeve-13, a threaded pipe-14, an insulating protection pipe-15, a grounding wire-16, a sealing ring-17 and a cone-18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides an oil-immersed power transformer iron core ground structure, includes grounding body 1, grabs ground subassembly 5, first curb plate 6 and second curb plate 7, grounding body 1 fixed connection is in the inside on ground 2, grounding body 1's outside is equipped with grabs ground subassembly 5, it includes first curb plate 6, second curb plate 7, locating lever 8 and inserted bar 9 to grab ground subassembly 5, constant head tank 11 is seted up to grounding body 1's outside, inboard fixed connection locating lever 8 of first curb plate 6 and second curb plate 7, locating lever 8 inlays in the inside of constant head tank 11, the inboard of first curb plate 6 is equipped with inserted bar 9, slot 10 is seted up to second curb plate 7's inboard, inserted bar 9 inserts in the inside of slot 10, grounding body 1's top fixed connection earth connection 16, through being equipped with in grounding body 1's outside and grabbing ground subassembly 5, just so can utilize grabbing ground subassembly 5 and the outside a plurality of italics 4 of grounding body 1 to realize in this ground structure application's in-process The effect of improvement and soil area of contact has just so reached the purpose that promotes and grabs the land fertility, better improvement stability and intensity when this ground structure uses.
The inside on ground 2 is equipped with backfill 3, backfill 3 parcel is in the outside of grounding body 1, through be equipped with backfill 3 in the outside of grounding body 1, can improve the parcel effect to grounding body 1, more stable when making it use.
The bottom of the grounding body 1 is equipped with the cone 18, the cone 18 is located the inside on ground 2, the outside fixed connection italic 4 of the grounding body 1, the italic 4 is the symmetric distribution form, the italic 4 is established to the triangle structure that falls, through a plurality of italics 4 that are equipped with, can be so that the more stable connection of the latter half of the grounding body 1 is in the inside of backfill soil 3, and the functionality is stronger.
First curb plate 6 and second curb plate 7 are the symmetric distribution form, first curb plate 6 and second curb plate 7 all establish to the semicircle form, combine second curb plate 7 through being equipped with first curb plate 6, have made things convenient for the staff to install simple and convenient during the operation.
The top of grounding body 1 is equipped with sealed piece 12, sealed piece 12 is located the top of backfill soil 3, the top of sealed piece 12 is equipped with internal thread sleeve 13, internal thread sleeve 13's inside fixed connection screwed pipe 14, the top of screwed pipe 14 is equipped with insulating protection tube 15, the inside at sealed piece 12 is inlayed to earth connection 16, insulating protection tube 15 is located the outside of earth connection 16, connects through adopting screwed pipe 14 and internal thread sleeve 13 between grounding body 1 and insulating protection tube 15, has made things convenient for the staff to install, and the staff can be at any time open insulating protection tube 15 and inspect the junction of earth connection 16.
The inside of internal thread sleeve 13 is through the mode connection sealing washer 17 of gomphosis, between internal thread sleeve 13 and screwed pipe 14, through being equipped with sealing washer 17 in the inside of internal thread sleeve 13, better improvement and screwed pipe 14 when being connected sealing performance, the practicality is stronger.
The working principle is as follows: when the oil-immersed power transformer core grounding structure is applied, firstly, a pit for placing the grounding structure needs to be dug on the ground 2, then the grounding body 1 is preliminarily inserted into the ground 2, meanwhile, most of the grounding body 1 is kept exposed, then, the backfill soil 3 is embedded outside the grounding body 1, the grounding body 1 is wrapped in the soil, then, the backfill soil 3 is continuously embedded below the positioning groove 11 outside the grounding body 1, the grounding assembly 5 is installed outside the grounding body 1, only the positioning rods 8 on the inner sides of the first side plate 6 and the second side plate 7 need to be aligned to the positioning groove 11, the first side plate 6 and the second side plate 7 are embedded outside the grounding body 1, meanwhile, the insertion rods 9 on the side of the first side plate 6 are inserted into the insertion grooves 10 inside the second side plate 7, the installation of the grounding assembly 5 can be completed, then, the backfill soil 3 is continuously and completely embedded in the grounding body 1, at the moment, only the sealing block 12 at the top of the grounding body 1 is exposed outside the ground 2, so that the effect of improving the contact area with the soil can be realized by utilizing the ground grabbing component 5 and the plurality of inclined bodies 4 outside the grounding body 1 in the application process of the grounding structure, and the purpose of improving the ground grabbing force is also achieved, then the insulating protection tube 15 is sleeved outside the grounding wire 16 and is connected with the grounding wire 16 and the iron core inside the oil-immersed power transformer, then only the threaded pipe 14 at the bottom of the insulating protection tube 15 needs to be aligned with the internal threaded sleeve 13 when the insulating protection tube 15 is installed, then the insulating protection tube 15 is continuously rotated until the threaded pipe 14 at the bottom is screwed into the internal threaded sleeve 13, and meanwhile, due to the sealing ring 17 arranged inside the internal threaded sleeve 13, the sealing performance of the connection between the internal threaded sleeve 13 and the threaded pipe 14 can be improved, the dust and water are prevented from entering the interior of the device, the sealing performance is high, the installation is simple and convenient, a worker can open the connecting part of the insulating protection tube 15 to the grounding wire 16 at any time to check, the operation is flexible, the whole structure is simple, and the practicability is high during use.
The utility model discloses a grounding body 1, ground 2, backfill 3, italic 4, grab ground subassembly 5, first curb plate 6, second curb plate 7, locating lever 8, inserted bar 9, slot 10, constant head tank 11, sealed piece 12, internal thread sleeve 13, screwed pipe 14, insulating protection tube 15, earth connection 16, sealing washer 17, cone 18, the part is the general standard component or the part that technical staff in this field knows, its structure and principle all can learn the manual or know through conventional experimental method through the technique for this technical staff, the problem that the oil-immersed power transformer iron core ground connection on the existing market mostly adopts simple grounding body 1 and earth connection 16 to connect ground 2 and iron core, and grounding body 1 all inserts or buries inside ground 2 directly, and the intensity of connection is not high in the process of using, if the ground around has taken place and has destroyed and has very easily led to pull out ground 2 in grounding body 1, the ground grabbing force is not strong enough, certain limitation exists in the using process, the exposed parts of most ground connection structures are all of an integrated structure, once the ground connection structure is fixed, the maintenance and the repair of workers are inconvenient, the loading and the unloading are inconvenient, the use is troublesome and the like, the ground grabbing assembly 5 is additionally arranged outside the ground connection body 1, the ground grabbing assembly 5 is composed of a first side plate 6 and a second side plate 7, so that the ground connection body 1 is only embedded into the ground 2 during the installation, after a part of backfill soil 3 is filled, the first side plate 6 and the second side plate 7 are installed outside the ground connection body 1, then the backfill soil 3 is continuously filled until the ground connection body 1 is completely covered, and therefore, the effects of improving the contact area with the soil can be realized by utilizing the ground grabbing assembly 5 and a plurality of inclined bodies 4 outside the ground connection body 1 in the application process of the ground connection structure, just so reach the purpose that the land fertility was grabbed in the promotion, stability and intensity when this ground structure used have been improved greatly, simultaneously through being equipped with internal thread sleeve 13 and screwed pipe 14 in the top of grounding body 1 and connecting insulation protection tube 15, just very convenience when equipment insulation protection tube 15 like this, only need align the screwed pipe 14 and the internal thread sleeve 13 of insulation protection tube 15 bottom, then continuous rotatory insulation protection tube 15 until the screwed pipe 14 of bottom twist in the inside of internal thread sleeve 13 can, it is simple convenient during the installation, and the staff can be at any time open the junction of insulation protection tube 15 to ground wire 16 and examine, the flexibility is stronger during the operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides an oil-immersed power transformer core ground structure which characterized in that: comprises a grounding body (1), a ground grabbing component (5), a first side plate (6) and a second side plate (7), the grounding body (1) is fixedly connected with the inside of the ground (2), a ground grabbing component (5) is arranged outside the grounding body (1), the ground grabbing component (5) comprises a first side plate (6), a second side plate (7), a positioning rod (8) and an inserting rod (9), a positioning groove (11) is arranged outside the grounding body (1), positioning rods (8) are fixedly connected with the inner sides of the first side plate (6) and the second side plate (7), the positioning rod (8) is embedded in the positioning groove (11), the inner side of the first side plate (6) is provided with an inserting rod (9), the inner side of the second side plate (7) is provided with a slot (10), the inserted rod (9) is inserted into the slot (10), and the top of the grounding body (1) is fixedly connected with a grounding wire (16).
2. The oil-immersed power transformer core grounding structure according to claim 1, characterized in that: the ground is characterized in that backfill soil (3) is arranged inside the ground (2), and the backfill soil (3) is wrapped outside the grounding body (1).
3. The oil-immersed power transformer core grounding structure according to claim 1, characterized in that: the bottom of grounding body (1) is equipped with cone (18), cone (18) are located the inside of ground (2), the outside fixed connection italic (4) of grounding body (1), italic (4) are the symmetric distribution form, the inverted triangle structure is established to italic (4).
4. The oil-immersed power transformer core grounding structure according to claim 1, characterized in that: first curb plate (6) and second curb plate (7) are the symmetric distribution form, first curb plate (6) and second curb plate (7) all establish to the semicircle shape.
5. The oil-immersed power transformer core grounding structure according to claim 1, characterized in that: the top of grounding body (1) is equipped with sealed piece (12), sealed piece (12) are located the top of backfill soil (3), the top of sealed piece (12) is equipped with internal thread sleeve (13), inside fixed connection screwed pipe (14) of internal thread sleeve (13), the top of screwed pipe (14) is equipped with insulating protection pipe (15), earth connection (16) are inlayed in the inside of sealed piece (12), insulating protection pipe (15) are located the outside of earth connection (16).
6. The oil-immersed power transformer core grounding structure according to claim 5, characterized in that: the inner part of the internal thread sleeve (13) is connected with a sealing ring (17) in a tabling mode, and the sealing ring (17) is clamped between the internal thread sleeve (13) and the threaded pipe (14).
CN202023097079.4U 2020-12-21 2020-12-21 Oil-immersed power transformer iron core grounding structure Expired - Fee Related CN214175832U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023097079.4U CN214175832U (en) 2020-12-21 2020-12-21 Oil-immersed power transformer iron core grounding structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023097079.4U CN214175832U (en) 2020-12-21 2020-12-21 Oil-immersed power transformer iron core grounding structure

Publications (1)

Publication Number Publication Date
CN214175832U true CN214175832U (en) 2021-09-10

Family

ID=77607222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023097079.4U Expired - Fee Related CN214175832U (en) 2020-12-21 2020-12-21 Oil-immersed power transformer iron core grounding structure

Country Status (1)

Country Link
CN (1) CN214175832U (en)

Similar Documents

Publication Publication Date Title
CN103219597B (en) Grounding wire device
CN208315786U (en) A kind of ready-package soft graphite ion grounding electrode
CN206309110U (en) Electric pole pole centralizing device
CN214175832U (en) Oil-immersed power transformer iron core grounding structure
CN207852953U (en) A kind of square grounding device for electric force pole tower
CN204205093U (en) Electricity testing grounding ring
CN203277665U (en) Grounding wire device
CN204407846U (en) A kind of line lightning arrestor
CN204577640U (en) A kind of high-voltage prepayment switch-box outlet cable jockey
CN206976600U (en) One kind can interconnection system soft graphite earthing pole
CN203932339U (en) A kind of anticorrosion anti-theft type earth electrode
CN205846571U (en) Overhead transmission line telescopic earth lead hanger bar
CN202309011U (en) Waterproof cold-shrinking intermediate head of cable
CN210489849U (en) Power electronic equipment earthing device
CN212657406U (en) Cement pipe structure convenient to connect
CN211605426U (en) Conductive concrete module grounding grid
CN212033264U (en) Safe grounding device for transformer box
CN207603183U (en) 500kV and following submarine cable strengthen lead sealing type repair joint
CN203365556U (en) Temporary earthing device for public change earth resistance measurement
CN206976597U (en) A kind of flexible plasma ground pole
CN211789589U (en) Novel transmission line tower grounding device
CN205609774U (en) Quick detachable rust -resistant earthing pole connector that loses
CN216450822U (en) Slow release type ion grounding device
CN220306944U (en) Power cable convenient to bridge
CN205753259U (en) A kind of cable protection pipe link

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210910