CN206195165U - Low voltage side of main transformer generating line bridging ground clamp - Google Patents
Low voltage side of main transformer generating line bridging ground clamp Download PDFInfo
- Publication number
- CN206195165U CN206195165U CN201621323732.5U CN201621323732U CN206195165U CN 206195165 U CN206195165 U CN 206195165U CN 201621323732 U CN201621323732 U CN 201621323732U CN 206195165 U CN206195165 U CN 206195165U
- Authority
- CN
- China
- Prior art keywords
- bus bridge
- main transformer
- generating line
- pressure side
- insulating barrier
- 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.)
- Withdrawn - After Issue
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 34
- 230000007704 transition Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000011810 insulating material Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a low voltage side of main transformer generating line bridging ground clamp, including generating line bridge clamp, ground connection couple, insulating barrier and insulating window, wherein, the generating line bridge presss from both sides to bilayer structure, and one side links together, and the opposite side opening forms the clamp form that connects with the generating line bridging, connecting hooks includes vertical board and swash plate, vertical board is fixed in the connection side that the generating line bridge pressed from both sides, the swash plate is connected with the bottom of vertical board, is an oblique angle with vertical board, the trilateral insulating barrier that is provided with of opening side that the generating line bridge pressed from both sides, connect through insulating window between insulating barrier and the vertical board. The utility model discloses simple structure, low cost, installation are easy, respectively install one at low voltage side of main transformer generating line bridge three -phase, can conveniently lead to become hanging of when overhauing low tension side earth connection, and at ordinary times because it insulatingly seals the design, guarantee again that there is not the short -circuit fault risk in it, overhauls safely and reliably supplies power significantly guaranteeing the electric wire netting.
Description
Technical field
The utility model is related to a kind of main transformer low-pressure side bus bridge earthing clamp.
Background technology
Main transformer low-pressure side is typically connected by insulating bus bridge with cubicle switch cabinet, and main transformer maintenance conveniently cannot may be used when having a power failure
The suspension low-pressure side ground wire for leaning on, is only grounded the security that cannot ensure service work on main transformer by cubicle switch cabinet.At present
General way is to be reserved when insulating bus bridge is installed per one ground connection square copper frame of phase, and one is wrapped in bus bridge insulation
Rise, copper frame the latter half is exposed, carries out the suspension of ground wire.This kind of method is exposed due to copper frame the latter half, is easily caused different
Busbar short-circuit failure is formed between thing bridging two-phase, there is huge security risk, even if three-phase ground copper frame is staggered installation,
This risk cannot still be avoided, and the security of main transformer service work cannot be ensured again without installing earthing or grounding means additional.Therefore, one kind can be solved
It is very necessary that the novel main transformer low-pressure side bus bridge joint ground clamp of certainly above-mentioned contradiction becomes.
Utility model content
The utility model is in order to solve the above problems, it is proposed that a kind of main transformer low-pressure side bus bridge earthing clamp, this practicality
A kind of new simple structure of offer, with low cost, installation are easy, and in main transformer service work, energy provides convenient safely and effectively connects
The device on ground, it is ensured that the security of main transformer service work.
To achieve these goals, the utility model is adopted the following technical scheme that：
A kind of main transformer low-pressure side bus bridge earthing clamp, including bus bridge folder, grounding hook, insulating barrier and insulation windows,
Wherein, the bus bridge folder is double-decker, and side links together, another side opening, the clip-like that formation is connected with bus bridge,
The coupling hook include vertical plate and swash plate, the vertical plate be fixed on bus bridge folder connecting side, the swash plate with it is vertical
The bottom connection of plate, is in an oblique angle with vertical plate；
The open side of the bus bridge folder is provided with insulating barrier, and insulation windows are passed through between the insulating barrier and vertical plate
Connection.
The bus bridge folder is metal material.
The metal material is preferably copper.
The grounding hook is metal material, preferably copper.
The insulation windows for upwards can open type insulation windows, be fixed between grounding hook and insulating barrier, be that can push away upwards
Open type is designed, and is boundary from center, the window page that both sides are pushed open upwards, grounding hook is pushed up windowing page, hangs on grounding hook
On, it is usually closed state, prevent foreign matter from causing short trouble between bridging two-phase.
The double-decker of bus bridge folder, upper strata is consistent with lower floor width, and the upper strata length is less than the length of lower floor.
The vertical plate upper end of the grounding hook is fixed together with bus bridge folder, and the vertical plate surface is coated with insulation
Sheath, lower end is connected by transition of insulating with insulation windows.
The swash plate is in 20-40 ° of angle with vertical plate.
Right three side sealing closes structure before and after the insulating barrier is, is made up of high-strength insulating material, with bus bridge folder, ground connection
Hook, insulation windows collectively form more closed space.
The beneficial effects of the utility model are：Simple structure, with low cost, installation are easy, in main transformer low-pressure side bus bridge
Three-phase respectively installs one, you can the suspension of low-pressure side ground wire when facilitating main transformer to overhaul, and usually because its insulation and obturation is designed,
In turn ensure that it does not exist short-circuit fault risk, it is significant to ensureing grid maintenance safety and reliable power supply.
Brief description of the drawings
Fig. 1 is structure schematic front view of the present utility model.
Fig. 2 is the utility model right side schematic cross-sectional view.
Wherein：1st, bus bridge folder；2nd, grounding hook；3rd, side insulation right dividing plate；4th, upwards can open type insulation windows.
Specific embodiment：
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, main transformer low-pressure side bus bridge earthing clamp, by bus bridge folder 1, grounding hook 2, side insulation dividing plate
3 and upwards can open type insulation windows 4 constitute, bus bridge folder 1 and grounding hook 2 be all made of copper, bus bridge folder 1 left end with ground connection
The side vertical end upside of hook 2 is welded and fixed and is integrated, and chamfered portion and the side vertical part angle of grounding hook 2 are 30
Degree.Side insulation dividing plate 3 is fixed on the lower floor that bus bridge presss from both sides 1 by transition of insulating, upwards can open type insulation windows 4 by insulated
Cross the lower end for being fixed on the side vertical end bottom of grounding hook 2 and side insulation dividing plate 3.
As shown in Fig. 2 bus bridge folder 1 is made up of upper and lower two-layer, second layer length is 100mm, and ground floor is 80mm, convenient
Bus bridge insulation winding, upper and lower two-layer is copper, and 50mm wide, thickness is 8mm.Upper and lower two interlamellar spacing is 15mm, compares main transformer
Low-pressure side bus bridge thickness 5mm, left side welding, right openings, formed clip-like, can directly press from both sides with bus bridge.
Grounding hook 2 is made up of side vertical part and chamfered portion, is all made by copper material, side vertical part
100mm high, 50mm wide, thickness 10mm, upper end weld together with bus bridge folder 1, and whole vertical portion is all by insulating sheath
Covering, its lower end by insulate transition with upwards can open type insulation windows 4 link together.Its chamfered portion and vertical portion into 30
Degree angle, hypotenuse 80mm long, 50mm wide, thick 10mm, be welded to vertical portion together with entirety.
Side insulation dividing plate 3, including side insulation right dividing plate and front side and rear side insulating barrier, side insulation right dividing plate are high
100mm, 50mm wide, thickness 10mm, are made up of high-strength insulating material, and upper end presss from both sides 1 lower floor by insulate transition and bus bridge to be consolidated
Due to together, lower end with upwards can open type insulation windows 4 it is fixed together.
Rear side is connected with front side with bottom insulation window, and a left side connects grounding hook vertical portion, and right even side insulation right dividing plate is preceding
Face insulating barrier 100mm wide, 50mm high, thick 10mm are easy to whether observation ground wire reliably hangs, and rear side insulating barrier is wide
100mm, 80mm high, thick 10mm, with bridge folder apart from 20mm, are easy to folder to be wound with the insulation after bus bridge.Can open type insulation windows 4 consolidate
Be high-strength insulating material due between grounding hook 2 and side insulation dividing plate 3,100mm long, 50mm wide, thick 10mm, be to
On can type push form design, be boundary from center, the window page that both sides can respectively push open for 50mm upwards facilitates grounding hook to push up windowing
Page, hangs on grounding hook, is usually closed state, prevents foreign matter from causing short trouble between bridging two-phase.
When using, the utility model is separately mounted on main transformer low-pressure side bus bridge, per phase one, followed by mother
The insulation winding of line bridge, during main transformer low-pressure side bus bridge electriferous state, due to insulation and obturation of the present utility model, can prevent short
The generation of road failure.When main transformer is overhauled, the utility model can provides convenient safety earth point, it is ensured that main transformer maintenance safety
Property.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (7)
1. a kind of main transformer low-pressure side bus bridge earthing clamp, it is characterized in that：Including bus bridge folder, grounding hook, insulating barrier and
Insulation windows, wherein, the bus bridge folder is double-decker, and side links together, another side opening, and formation is connected with bus bridge
Clip-like, the coupling hook include vertical plate and swash plate, the vertical plate be fixed on bus bridge folder connecting side, the swash plate
It is connected with the bottom of vertical plate, is in an oblique angle with vertical plate；
The face of open side three of the bus bridge folder is provided with insulating barrier, and insulation windows are passed through between the insulating barrier and vertical plate
Connection.
2. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：The bus bridge folder is gold
Category material.
3. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：The grounding hook is gold
Category material.
4. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：The insulation windows are upward
Can open type insulation windows, be fixed between grounding hook and insulating barrier, be upwards can type push form design, from center be boundary, both sides
The window page pushed open upwards, makes grounding hook push up windowing page, hangs on grounding hook, is usually closed state.
5. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：It is double that the bus bridge is pressed from both sides
Rotating fields, upper strata is consistent with lower floor width, length of the upper strata length less than lower floor.
6. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：The grounding hook it is perpendicular
Straight panel upper end and bus bridge folder are fixed together, and the vertical plate surface is coated with insulating sheath, lower end by insulate transition with
Insulation windows are connected.
7. a kind of main transformer low-pressure side bus bridge earthing clamp as claimed in claim 1, it is characterized in that：The swash plate and vertical plate
In 20-40 ° of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323732.5U CN206195165U (en) | 2016-12-05 | 2016-12-05 | Low voltage side of main transformer generating line bridging ground clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323732.5U CN206195165U (en) | 2016-12-05 | 2016-12-05 | Low voltage side of main transformer generating line bridging ground clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195165U true CN206195165U (en) | 2017-05-24 |
Family
ID=58723329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323732.5U Withdrawn - After Issue CN206195165U (en) | 2016-12-05 | 2016-12-05 | Low voltage side of main transformer generating line bridging ground clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410618A (en) * | 2016-12-05 | 2017-02-15 | 国网山东省电力公司莱芜供电公司 | Main-transformer low-voltage-side busbar bridge grounding wire clamp |
| CN112186373A (en) * | 2020-10-13 | 2021-01-05 | 广东电网有限责任公司广州供电局 | Become low generating line bridge earth connection and hang joint |
-
2016
- 2016-12-05 CN CN201621323732.5U patent/CN206195165U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410618A (en) * | 2016-12-05 | 2017-02-15 | 国网山东省电力公司莱芜供电公司 | Main-transformer low-voltage-side busbar bridge grounding wire clamp |
| CN106410618B (en) * | 2016-12-05 | 2018-07-20 | 国网山东省电力公司莱芜供电公司 | A kind of main transformer low-pressure side bus bridge earthing clamp |
| CN112186373A (en) * | 2020-10-13 | 2021-01-05 | 广东电网有限责任公司广州供电局 | Become low generating line bridge earth connection and hang joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20180720 |
|
| AV01 | Patent right actively abandoned |