CN206401801U - A kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus - Google Patents
A kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus Download PDFInfo
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- CN206401801U CN206401801U CN201621200301.XU CN201621200301U CN206401801U CN 206401801 U CN206401801 U CN 206401801U CN 201621200301 U CN201621200301 U CN 201621200301U CN 206401801 U CN206401801 U CN 206401801U
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- earthing
- grounding
- switch
- grounding means
- static contact
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Abstract
The utility model belongs to technical field of power systems and discloses a kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus, including bushing, fuse main bus-bar, earthing or grounding means base and housing, the housing bottom is fixed with earthing or grounding means base, the earthing or grounding means base is movably equipped with square steel, described square steel one end is provided with linkage, the linkage is fixedly connected with earthing or grounding means base, grounding switch is fixed with the square steel, the grounding switch is formed using copper material bending, axle sleeve is provided with the middle of the grounding switch, the axle sleeve is provided with bolt, the bolt-through is connected in axle sleeve with grounding switch, the grounding switch bilateral is provided with butterfly spring, the butterfly spring is sheathed on bolt, described bolt one end is provided with self-locking nut, static contact is provided with the top of the grounding switch, the static contact uses circular rod type structure, the static contact is fixedly mounted on high voltage bushings.The utility model is reasonable in design, convenient practicality, can be widely used in electric switch industry.
Description
Technical field
The utility model is related to a kind of earthing or grounding means, and in particular to a kind of sulfur hexafluoride loading switch-fuse combination electricity
The earthing or grounding means of device, belongs to technical field of power systems.
Background technology
In switch-fuse combination cabinet, opened equipped with the fuse ground connection linked with three-stations load switch
Close, provide reliable ground to fuse leading-out terminal, the fuse earthed switch is motionless in combined floodgate, sub-switching operation when on-load switch
Make, when on-load switch, which is grounded, to be operated, fuse earthed switch action simultaneously and the static contact of fuse leading-out terminal can be abutted against
Touch, to ensure fuse outgoing line side reliable ground, it is ensured that outgoing line side is safe, not charged.
At present, grounding switch is by the way of cutter head grinding tool rushes shrinkage pool, and static contact is formed using red copper hot forging process, processing
It is higher with material cost.Because static contact is rectangular shape, assembling need to be adjusted accurately when static contact is installed with high bushing
Direction of rotation and with the accuracy that is grounded when the contact depth of blade just can guarantee that splice grafting earthing knife-switch, assembling is complex.Therefore,
It is proposed that a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, and there is provided a kind of sulfur hexafluoride loading switch-molten
The earthing or grounding means of disconnected device combined electrical apparatus, the problem of effectively can solving in background technology.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
The utility model provides a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus, including high pressure
Sleeve pipe, fuse main bus-bar, earthing or grounding means base and housing, the housing bottom are fixed with earthing or grounding means base, described to connect
Ground device pedestal is movably equipped with square steel, and described square steel one end is provided with linkage, and the linkage is consolidated with earthing or grounding means base
Grounding switch is fixed with fixed connection, the square steel, the grounding switch is formed using copper material bending, the earthing
Axle sleeve is provided with the middle of lock, the axle sleeve is provided with bolt, and the bolt-through is connected in axle sleeve with grounding switch, the earthing
Lock bilateral is provided with butterfly spring, and the butterfly spring is sheathed on bolt, and described bolt one end is provided with self-locking nut, the ground connection
Static contact is provided with the top of disconnecting link, the static contact uses circular rod type structure, and the static contact is fixedly mounted on high voltage bushings.
As a kind of optimal technical scheme of the present utility model, the bushing is fixedly connected with the casing, the stationary contact
Fuse main bus-bar is fixed with head.
As a kind of optimal technical scheme of the present utility model, the static contact is made up of copper material.
As a kind of optimal technical scheme of the present utility model, the quantity of the grounding switch is 3.
The beneficial effect that the utility model is reached is：A kind of sulfur hexafluoride loading switch-fuse combined electric apparatus connects
Ground device, can substantially reduce cost, because static contact structure is circle copper rod, without adjustment, rotation peace when being installed with bushing
Direction is filled, it is easy for installation, improve operating efficiency.Technical elements use circular rod type structure due to static contact, and design of part is more
It is mellow and full, it is to avoid potential point discharge, electric field more it is uniform rationally, electric property is more reliable and more stable.This kind of sulfur hexafluoride
Rationally, convenient practicality can be widely used in electric switch row to the design of grounding of switch-fuse combination
In industry.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of ground connection of sulfur hexafluoride loading switch-fuse combined electric apparatus described in the utility model embodiment
Device overall structure diagram；
Fig. 2 is bushing, static contact and the fuse main bus structure schematic diagram described in the utility model embodiment；
Fig. 3 is grounding switch, axle sleeve, butterfly spring, self-locking nut and the bolt arrangement described in the utility model embodiment
Schematic diagram；
Label in figure：1st, bushing；2nd, fuse main bus-bar；3rd, static contact；4th, grounding switch；5th, axle sleeve；6th, butterfly
Spring；7th, self-locking nut；8th, bolt；9th, square steel；10th, linkage；11st, earthing or grounding means base；12nd, housing.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment：Refer to Fig. 1-3, a kind of sulfur hexafluoride loading switch-fuse combined electric apparatus of the utility model connects
Ground device, including bushing 1, fuse main bus-bar 2, earthing or grounding means base 11 and housing 12, the bottom of housing 12 are fixed
Provided with earthing or grounding means base 11, the earthing or grounding means base 11 is movably equipped with square steel 9, and described one end of square steel 9 is provided with linkage
10, the linkage 10 is fixedly connected with earthing or grounding means base 11, and grounding switch 4 is fixed with the square steel 9, described to connect
Ground disconnecting link 4 is formed using copper material bending, and axle sleeve 5 is provided with the middle of the grounding switch 4, and the axle sleeve 5 is provided with bolt 8,
The bolt 8 is connected through axle sleeve 5 with grounding switch 4, and the bilateral of grounding switch 4 is provided with butterfly spring 6, the butterfly bullet
Spring 6 is sheathed on bolt 8, and described one end of bolt 8 is provided with self-locking nut 7, and the top of grounding switch 4 is provided with static contact 3, described
Static contact 3 uses circular rod type structure, and the static contact 3 is fixedly mounted on bushing 1.
Further, the bushing 1 is fixedly connected with housing 12, and fuse master is fixed with the static contact 3
Bus 2.
Further, the static contact 3 is made up of copper material.
The quantity of the grounding switch 4 is 3.
It should be noted that the utility model fills for a kind of ground connection of sulfur hexafluoride loading switch-fuse combined electric apparatus
Put, operation principle：When the ground connection for operating three-stations load switch is closed, grounding switch 4 is acted, and is contacted with the cooperation of static contact 3,
In the case where on-load switch its own mechanical is spacing, grounding switch 4 and the in-place closing of static contact 3, now earthed switch is conjunction state, it is ensured that
Outgoing line side is without electricity.When operate three-stations load switch ground connection separating brake when, grounding switch 4 is acted, and with the separating brake of static contact 3,
In the case where on-load switch its own mechanical is spacing, the separation point position of grounding switch 4 meets the insulation distance requirement of relevant criterion, is now grounded
Switch as gate-dividing state, it is ensured that switch cubicle is safe and reliable to operation.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (4)
1. a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus, including bushing（1）, fuse master
Bus（2）, earthing or grounding means base（11）And housing（12）, it is characterised in that：The housing（12）Bottom is fixed with ground connection dress
Bottom set seat（11）, the earthing or grounding means base（11）It is movably equipped with square steel（9）, the square steel（9）One end is provided with linkage
（10）, the linkage（10）With earthing or grounding means base（11）It is fixedly connected, the square steel（9）On be fixed with grounding switch
（4）, the grounding switch（4）Formed using copper material bending, the grounding switch（4）Centre is provided with axle sleeve（5）, the axle
Set（5）It is provided with bolt（8）, the bolt（8）Through axle sleeve（5）With grounding switch（4）Connection, the grounding switch（4）
Bilateral is provided with butterfly spring（6）, the butterfly spring（6）It is sheathed on bolt（8）On, the bolt（8）One end is provided with self-locking spiral shell
It is female（7）, the grounding switch（4）Top is provided with static contact（3）, the static contact（3）Using circular rod type structure, the static contact
（3）It is fixedly mounted on bushing（1）On.
2. a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus according to claim 1, its feature
It is, the bushing（1）With housing（12）It is fixedly connected, the static contact（3）On be fixed with fuse main bus-bar
（2）.
3. a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus according to claim 1, its feature
It is, the static contact（3）It is made up of copper material.
4. a kind of earthing or grounding means of sulfur hexafluoride loading switch-fuse combined electric apparatus according to claim 1, its feature
It is, the grounding switch（4）Quantity be 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200301.XU CN206401801U (en) | 2016-11-07 | 2016-11-07 | A kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200301.XU CN206401801U (en) | 2016-11-07 | 2016-11-07 | A kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401801U true CN206401801U (en) | 2017-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200301.XU Active CN206401801U (en) | 2016-11-07 | 2016-11-07 | A kind of earthing or grounding means of sulfur hexafluoride loading switch fuse combined electric apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN206401801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732754A (en) * | 2017-11-27 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of gas-filling cabinet with bus inserting function |
-
2016
- 2016-11-07 CN CN201621200301.XU patent/CN206401801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732754A (en) * | 2017-11-27 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of gas-filling cabinet with bus inserting function |
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