CN207424007U - A kind of new winding deformation grounding assembly - Google Patents
A kind of new winding deformation grounding assembly Download PDFInfo
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- CN207424007U CN207424007U CN201721428893.5U CN201721428893U CN207424007U CN 207424007 U CN207424007 U CN 207424007U CN 201721428893 U CN201721428893 U CN 201721428893U CN 207424007 U CN207424007 U CN 207424007U
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- caliper
- ground wire
- folder
- connecting pin
- ground
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Abstract
The utility model discloses a kind of new winding deformation grounding assemblies, conductor folder, ground wire (2) and the ground connection folder (3) for being connected ground wire (2) with casing flange including connecting bushing shell for transformer top conductor, the conductor folder is clamp (1), including hinged the first caliper (11) and the second caliper (12), the hinged place of first caliper (11) and the second caliper (12) is equipped with return spring (13), and the first caliper end is equipped with the first ground wire connecting pin (5)；Second caliper (12) end is equipped with p-wire connecting pin (4)；The ground connection folder (3) is V-arrangement clip, and the both wings end of V-arrangement clip is equipped with the second ground wire connecting pin (6), and a wing end of V-arrangement clip is connected with the first caliper by being grounded.Grounding assembly provided by the utility model disclosure satisfy that test request, shorten the disassembly and assembly time of p-wire, easy for installation, improve the efficiency of on-the-spot test.
Description
Technical field
The utility model is related to earthing or grounding means technical field more particularly to a kind of new winding deformation grounding assemblies.
Background technology
As what " transferring electricity from the west to the east " and national " 13 " were given back moves forward steadily, the exploitation in power stations at different levels of transferring electricity from the west to the east and
The pace of construction of current conversion station is constantly accelerated, and newly-built multiple current conversion stations are ensured the conveying of water power by following south electric network, for newly-built
Current conversion station, all converter power transformers and station local coordinate frame are intended to carry out winding deformation test in commissioning test, be changed with detection
Rheology or station become the winding after transport and installation and whether there is exception.
Previous ± 800kV the current conversion stations of mesh usually have 28 changes of current changes and 2 500kV stations changes to need to carry out winding deformation
Test, every change of current change need 4 winding deformations tests of development (net side carries out 3 times, and valve side carries out 1 time), and using to become per the station needs
Carry out 6 winding deformation tests, a current conversion station needs to carry out 124 winding deformation tests.Other are such as more casing replacing, the change of current
It is both needed to carry out winding deformation test after becoming (transformer) overhaul, the frequency of winding deformation test is very more.
Existing test apparatus p-wire grounding assembly is divided into three parts：The folder of connecting sleeve top conductor, 2, shielding letter
Number ground wire and the ground connection folder that is connected with casing flange will be grounded.The folder of wherein connecting sleeve top conductor is
" mountain " character form structure, both ends are used for connecting ground wire, and centre is used for being connected with p-wire, and onsite application is needed first folder and set
Pipe top conductor is attached and fixes, then connects p-wire with ground wire, it is necessary to multiple wiring, time and effort consuming.It is grounded as not
Become rusty steel braiding flexible circuit conductor, and volume is big and heavier, and when installation is extremely inconvenient, needs to consume a longer time when being dismounted, and frequently
It is numerous extremely to be easily snapped off using ground connection group valency.Ground connection folder is " towering " character form structure, and upper end is used for connecting ground wire, and lower part is used for
It is connected and is grounded (casing flange is ground state) with casing flange, it is not firm and with connecing that being grounded often occurs in when onsite application
Ground wire connects illusive situation.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of new winding deformation grounding assembly, the ground connection group
It is time saving and energy saving during part wiring, it is easy for installation, improve the efficiency of on-the-spot test.
The technical solution of the utility model is as follows：A kind of new winding deformation grounding assembly, including connecting bushing shell for transformer
Conductor folder, ground wire 2 and the ground connection folders 3 for being connected ground wire 2 with casing flange of top conductor, the conductor folder
Part is clamp 1, including hinged the first caliper 11 and the second caliper 12,11 and second caliper 12 of the first caliper
Hinged place is equipped with return spring 13, and 11 end of the first caliper is equipped with the first ground wire connecting pin 51 and is connected with ground wire 2, and second
12 end of caliper is equipped with p-wire connecting pin 4；The ground connection folder 3 is V-arrangement clip, and the both wings end of V-arrangement clip is equipped with second
Connecting pin 6 is grounded, a wing end of V-arrangement clip is connected with the first caliper 11 by ground wire 2.
Further, the ground wire 2 is the circular annealed copper wire of belt leather.
Further, the clip maximum open bore of the ground connection folder 3 is 30mm.
Further, the maximum open bore of the clamp 1 is 70mm, and the first caliper 11 and the second caliper 12 are in opening
Portion is equipped with anti-slop serrations 7 that can be conductive, and portion is equipped with arc groove 8 in the opening, and anti-slop serrations also are provided on arc groove 8.
Further, the ground wire of p-wire connecting pin 4 and first connecting pin 5 passes through conducting wire and the first caliper 11 respectively
Or second caliper 12 opening portion connection.
Further, the surface of 11 and second caliper of the first caliper, 12 handle is equipped with insulating layer, the ground connection folder 3
Surface also is provided with insulating layer.
The operation principle of the utility model is as follows：Grounding assembly includes conductor folder, is grounded and connects in the utility model
Ground folder, wherein conductor folder are clamp 1 of the opening for 70mm, and test line interface and ground wire connecting pin are welded on clamp
On, while the connecting pin of ground wire is arranged on to the end of 11 handle of the first caliper, p-wire is arranged on 12 handle of the second caliper
End, so as to ensure ground wire shield effectiveness；The V-arrangement clip that the ground connection folder is opening 30mm, directly with connecing
Ground wire connects the ground wire to form a Band clamp, reduces the disassembly and assembly time of ground wire and ground connection folder.Another the utility model will
Existing stainless steel braiding flexible circuit conductor ground wire is changed to the annealed copper wire of belt leather, and conducting wire is changed to circle by flat structure, is mitigated
Weight had not only facilitated and had been connected with the folder for being connected conductor, but also facilitated the dismounting of ground wire.
Compared with prior art, the utility model has the advantages that：Grounding assembly energy provided by the utility model
Enough meet test request, shorten the disassembly and assembly time of p-wire, it is easy for installation, improve the efficiency of on-the-spot test.
Description of the drawings
Fig. 1 is the structure diagram of grounding assembly provided by the utility model；
Fig. 2 is the connection figure of p-wire connecting pin and opening portion；
It is marked in figure：1- clamps, 2- ground wires, 3- ground connection folders, 4- p-wires connecting pin, the ground wire connections of 5- first
End, 6- second are grounded connecting pin, 7- anti-slop serrations, 8- arc grooves, the first calipers of 11-, the second calipers of 12-, 13- return bullets
Spring.
Specific embodiment
The technical solution of the utility model is described in further details with reference to specific embodiment, but the utility model
It is not limited to following technical scheme.
Embodiment 1
As depicted in figs. 1 and 2, the grounding assembly includes the conductor folder of connection bushing shell for transformer top conductor, ground connection
Line 2 and the 2 ground connection folders 3 that are connected with casing flange will be grounded, conductor folder is clamp 1, including hinged the
One caliper 11 and the second caliper 12, the hinged place of 11 and second caliper 12 of the first caliper are equipped with return spring 13, ensure folder
Firmly on clip bushing shell for transformer top conductor, 11 end of the first caliper by the first ground wire connecting pin 5 is connected with and connect pincers
Ground wire 2,12 end of the second caliper are equipped with p-wire connecting pin 4, for connecting test line, the first ground wire connecting pin 5 and test
Line connecting pin 4 is connected by conducting wire with the opening portion of the second caliper, sees Fig. 2.
Ground connection folder 3 is V-arrangement clip, and the both wings end of V-arrangement clip is equipped with the second ground wire connecting pin 6, the one of V-arrangement clip
Wing end is connected with the first caliper 11 by ground wire 2.The surface of 12 handle of first caliper 11 and the second caliper is equipped with insulating layer,
3 surface of the ground connection folder also is provided with insulating layer.
The maximum open bore of clamp 1 is 70mm, and the first caliper 11 is equipped with and can lead in open interior with the second caliper 12
The anti-slop serrations 7 of electricity, in the opening portion be equipped with arc groove 8, also be provided with anti-slop serrations on arc groove 8, arc groove 8 is for clamping
Bushing shell for transformer top conductor, anti-slop serrations are used for increasing friction force.
Ground wire 2 is the circular annealed copper wire of belt leather.The clip maximum open bore for being grounded folder 3 is 30mm.
The use process of the grounding assembly is as follows：Grounding assembly is in use, clamp 1 is clipped in bushing shell for transformer top conductor
On, ground connection folder 3 is clipped on the flange of sleeve bottom by the 4 connecting test line of p-wire connecting pin of the second caliper 12, then will
Another wing of V-arrangement clip also connects ground wire, completes ground connection work.
Claims (6)
1. a kind of new winding deformation grounding assembly, conductor folder, ground wire including connecting bushing shell for transformer top conductor
(2) and will ground wire (2) the ground connection folder (3) being connected with casing flange, which is characterized in that the conductor folder is clamp
(1), clamp (1) includes hinged the first caliper (11) and the second caliper (12)；First caliper (11) and second
The hinged place of caliper (12) is equipped with return spring (13), and the first caliper (11) end is equipped with the first ground wire connecting pin (5) and is used for
Connection ground wire (2)；Second caliper (12) end is equipped with p-wire connecting pin (4)；The folder (3) that is grounded is V-arrangement clip, V
The both wings end of clip is equipped with the second ground wire connecting pin (6), and a wing end of V-arrangement clip is with the first caliper (11) by connecing
Ground wire (2) connects.
2. new winding deformation grounding assembly as described in claim 1, which is characterized in that the ground wire (2) is belt leather
Circular annealed copper wire.
3. new winding deformation grounding assembly as described in claim 1, which is characterized in that the clip of the ground connection folder (3)
Maximum open bore is 30mm.
4. new winding deformation grounding assembly as described in claim 1, which is characterized in that the maximum open of the clamp (1)
Bore is 70mm, and the first caliper (11) is equipped with anti-slop serrations (7) that can be conductive with the second caliper (12) in open interior, in opening
Middle part is equipped with arc groove (8), and arc groove also is provided with anti-slop serrations on (8).
5. new winding deformation grounding assembly as described in claim 1, which is characterized in that the p-wire connecting pin (4) and
First ground wire connecting pin (5) is connected respectively by conducting wire with the opening portion of the first caliper (11) and the second caliper (12).
6. the new winding deformation grounding assembly as described in Claims 1 to 5 is any, which is characterized in that first caliper
(11) and the surface of the second caliper (12) handle is equipped with insulating layer, and described ground connection folder (3) surface also is provided with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428893.5U CN207424007U (en) | 2017-10-31 | 2017-10-31 | A kind of new winding deformation grounding assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428893.5U CN207424007U (en) | 2017-10-31 | 2017-10-31 | A kind of new winding deformation grounding assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424007U true CN207424007U (en) | 2018-05-29 |
Family
ID=62310292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721428893.5U Active CN207424007U (en) | 2017-10-31 | 2017-10-31 | A kind of new winding deformation grounding assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019212620A (en) * | 2018-06-01 | 2019-12-12 | 堺電業株式会社 | Vise type ground tool |
-
2017
- 2017-10-31 CN CN201721428893.5U patent/CN207424007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019212620A (en) * | 2018-06-01 | 2019-12-12 | 堺電業株式会社 | Vise type ground tool |
| JP7321449B2 (en) | 2018-06-01 | 2023-08-07 | 堺電業株式会社 | vise type grounding tool |
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