CN206628394U - A kind of high-voltage earthing disconnecting link - Google Patents
A kind of high-voltage earthing disconnecting link Download PDFInfo
- Publication number
- CN206628394U CN206628394U CN201720143665.7U CN201720143665U CN206628394U CN 206628394 U CN206628394 U CN 206628394U CN 201720143665 U CN201720143665 U CN 201720143665U CN 206628394 U CN206628394 U CN 206628394U
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- plate
- insulator
- disconnecting link
- free bearing
- fixed
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Abstract
Utility model discloses a kind of high-voltage earthing disconnecting link, including bottom plate, insulator, terminal plate and static contact, the insulator is provided with two, the insulator is fixed on above bottom plate both ends, strip through-hole is provided with the middle part of the bottom plate, the terminal plate is fixed on the insulator on right side, the static contact is fixed on the insulator in left side, free bearing is welded with the terminal plate, the U-shaped setting of free bearing section, the free bearing both sides are respectively arranged with portable plate, connecting rod is welded between the portable plate, rotating shaft is installed in the free bearing, the rotating shaft runs through portable plate and free bearing, the portable plate front bottom end contacts with static contact, hanging plate is welded with the inside of the portable plate, circular hole is provided with the middle part of the hanging plate, graphite linings are provided with the terminal plate.High-voltage earthing disconnecting link of the present utility model can more than 10 kilovolts normal use under state, easily installation, has a safety feature.
Description
Technical field
It the utility model is related to a kind of high-voltage earthing disconnecting link.
Background technology
Ground connection refers to the outer conductive part of the neutral point of power system and electric device, the exposed conductive part of electrical equipment and device
Lease making is connected by conductor with the earth.Working earthing, lightning protection and protective grounding can be divided into.Working earthing is exactly by power train
(such as neutral ground) that system operation needs and set, therefore just have electric current under normal circumstances and flow through grounding electrode for a long time,
But simply several amperes to tens amperes of out-of-balance current.When earth fault occurs for system, the work of kiloampere is had
Electric current flows through grounding electrode, but the electric current can be cut off by protective relaying device in 0.05-0.1s, even back-up protection,
Action is typically also within 1s.Lightning protection is to eliminate overvoltage dangerous influence and the ground connection that sets, such as lightning rod, lightning-arrest
The ground connection of line and arrester.Lightning protection simply just has electric current in the presence of lightning impulse and flowed through, and flows through lightning protection electricity
The amplitude of lightning current of pole is up to tens of to up to a hundred kiloamperes, but the duration is very short.Protective grounding be in order to prevent equipment because
Insulation damages are powered and jeopardize the ground connection set by personal safety, such as the metal shell, steel reinforced concrete pole and metal of power equipment
Shaft tower.Protective grounding simply just has electric current in the case of apparatus insulated damage and flowed through, and its value can be in interior change in a big way
It is dynamic.A part of grounded line of certain of power system or electric device is connected into earthing pole to be referred to as being grounded.It is connected to earthing pole
Wire is referred to as being grounded.Earthing pole is collectively referred to as earthing or grounding means with ground wire.Some grounding bodies interconnect in the earth, form
Grounded screen, ground wire can be divided into ground connection main line and ground connection branch line again.By regulation, ground connection main line should use to exist no less than two conductors
Different location is connected with grounded screen.The point being grounded in power system is usually neutral point.The grounded part of electric device is exposed
Current-carrying part, it is the current-carrying part that can be accessible in electric device, not charged when it is normal, may be powered in the case of failure.
The outer current-carrying part of device is also referred to as external conductive part, is not belonging to electric device, usually water, the warm, metal tube of coal gas, air-conditioning
The metal structure in road and building.
Current existing grounding switch uses more than 10 kilovolts under state, and security performance is bad, and does not allow easy to install.
Utility model content
In view of this, the utility model purpose be to provide one kind can more than 10 kilovolts normal use under state, easily
Installation, the high-voltage earthing disconnecting link having a safety feature.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of high-voltage earthing disconnecting link, including bottom plate, insulator, terminal plate and static contact, the insulator are provided with two, institute
State insulator to be fixed on above bottom plate both ends, strip through-hole is provided with the middle part of the bottom plate, the terminal plate is fixed on right side
On insulator, the static contact is fixed on the insulator in left side, free bearing is welded with the terminal plate, the free bearing section is in
U-shaped setting, the free bearing both sides are respectively arranged with portable plate, and connecting rod is welded between the portable plate, is installed in the free bearing
There is rotating shaft, the rotating shaft runs through portable plate and free bearing, and the portable plate front bottom end contacts with static contact, on the inside of the portable plate
Hanging plate is welded with, circular hole is provided with the middle part of the hanging plate, graphite linings is provided with the terminal plate.
Preferably, the rectangular setting of bottom plate, bottom plate are made of stainless steel, anticorrosion effect is good.
Preferably, the terminal plate is fixed on the insulator by the first straight pin, the first straight pin runs through terminal plate
In the through hole in the middle part of insulator.
Preferably, the static contact is fixed on the insulator by the second straight pin, the second straight pin runs through static contact
In the through hole in the middle part of insulator.
Preferably, the connecting rod is in being spacedly distributed, connecting rod using metal be made both ends respectively with two portable plates
Weld inner side.
Preferably, the graphite linings thickness is laid on terminal plate more than 2mm, conductive effect is good, high temperature resistant.
Preferably, the portable plate bottom is set in distance with terminal plate, portable plate will not block when rotating.
The utility model has the technical effect that following aspect：The terminal plate of setting is fixed on the insulator on right side
On, static contact is fixed on the insulator in left side, keeps insulation effect good, can more than 10 kilovolts normal use under state；
There is strip through-hole on the bottom plate of setting, screw bottom plate can be fixed through strip through-hole, keep easily installation；Set
Circular hole is provided with the middle part of hanging plate, circular hole can be caught on by brake pull-rod, so as to adjust the position of portable plate, keep having a safety feature.
Brief description of the drawings
Fig. 1 is a kind of structure chart of high-voltage earthing disconnecting link of the utility model.
Fig. 2 is a kind of sectional structure chart of the free bearing of high-voltage earthing disconnecting link of the utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasped.
A kind of high-voltage earthing disconnecting link, including bottom plate 1, insulator 2, terminal plate 3 and static contact 4, the bottom plate 1 is rectangular to be set
Put, bottom plate 1 is made of stainless steel, and anticorrosion effect is good.The insulator 2 is provided with two, and insulator 2 is exhausted using conventional ceramic
Edge, inside middle portion have through hole.The insulator 2 is fixed on above the both ends of bottom plate 1, the relevant position of bottom plate 1 drilling circular hole, absolutely
Edge 2 can be connected in circular hole.The middle part of bottom plate 1 is provided with strip through-hole 14, and screw passes through strip through-hole 14 by bottom plate 1
It is fixed on working region.The terminal plate 3 is fixed on the insulator 2 on right side, and the static contact 4 is fixed on the insulator in left side
On 2, the terminal plate 3 is fixed on insulator 2 by the first straight pin 10.The static contact 4 is solid by the second straight pin 11
It is scheduled on insulator 2.Free bearing 5 is welded with the terminal plate 3, keeps the locations of structures of free bearing 5 stable by the way of welding.Institute
The U-shaped setting of the section of free bearing 5 is stated, the both sides of free bearing 5 are respectively arranged with portable plate 6, connecting rod is welded between the portable plate 6
7, keep the position of two pieces of portable plates 6 firm.The connecting rod 7 in being spacedly distributed, connecting rod 7 using metal be made both ends respectively with
The inner side welding of two portable plates.Rotating shaft 8 is installed, the rotating shaft 8 runs through portable plate 6 and free bearing 5 in the free bearing 5 so that
Portable plate 6 can rotate in the outside of free bearing 5.The front bottom end of portable plate 6 contacts with static contact 4, you can keeps circuit connection.
The bottom of portable plate 6 is set in distance with terminal plate 3, and portable plate 6 will not block when rotating.Weld the inner side of portable plate 6
Hanging plate 12 is connected to, the middle part of hanging plate 12 is provided with circular hole 13, and convenient use brake pull-rod catches on the circular hole of hanging plate 12, regulation activity
Plate 6 is rotated in the outside of free bearing 5, and graphite linings 9 are provided with the terminal plate 3.The thickness of graphite linings 9 is laid in more than 2mm to be connect
On line plate 3, conductive effect is good, high temperature resistant.
When in use, bottom plate 1 is fixed on working region by screw through strip through-hole 14, and hanging plate 12 is caught on using brake pull-rod
Circular hole, regulation portable plate 6 rotates in the outside of free bearing 5, you can the break-make of adjusting circuit.Graphite linings 9 on terminal plate 3 keep electricity
Smoothness is logical.
The utility model has the technical effect that following aspect：The terminal plate of setting is fixed on the insulator on right side
On, static contact is fixed on the insulator in left side, keeps insulation effect good, can more than 10 kilovolts normal use under state；
There is strip through-hole on the bottom plate of setting, screw bottom plate can be fixed through strip through-hole, keep easily installation；Set
Circular hole is provided with the middle part of hanging plate, circular hole can be caught on by brake pull-rod, so as to adjust the position of portable plate, keep having a safety feature.
Certainly, it is representative instance of the present utility model above, in addition, the utility model can also have other a variety of
Embodiment, all technical schemes formed using equivalent substitution or equivalent transformation, all falls within the requires of the utility model protection
Within the scope of.
Claims (7)
1. a kind of high-voltage earthing disconnecting link, including bottom plate, insulator, terminal plate and static contact, it is characterised in that：The insulator is set
There are two, the insulator is fixed on above bottom plate both ends, is provided with strip through-hole in the middle part of the bottom plate, the terminal plate is fixed
On the insulator on right side, the static contact is fixed on the insulator in left side, and free bearing, the hinge are welded with the terminal plate
The seat U-shaped setting of section, the free bearing both sides are respectively arranged with portable plate, connecting rod, the hinge are welded between the portable plate
Rotating shaft is installed in seat, the rotating shaft runs through portable plate and free bearing, and the portable plate front bottom end contacts with static contact, the work
Hanging plate is welded with the inside of dynamic plate, circular hole is provided with the middle part of the hanging plate, graphite linings is provided with the terminal plate.
2. high-voltage earthing disconnecting link according to claim 1, it is characterised in that：The rectangular setting of bottom plate.
3. high-voltage earthing disconnecting link according to claim 2, it is characterised in that：The terminal plate is fixed by the first straight pin
On the insulator.
4. high-voltage earthing disconnecting link according to claim 3, it is characterised in that：The static contact is fixed by the second straight pin
On the insulator.
5. high-voltage earthing disconnecting link according to claim 4, it is characterised in that：The connecting rod is in be spacedly distributed.
6. high-voltage earthing disconnecting link according to claim 5, it is characterised in that：The graphite linings thickness is laid in more than 2mm
On terminal plate.
7. high-voltage earthing disconnecting link according to claim 6, it is characterised in that：The portable plate bottom is with terminal plate in interval
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143665.7U CN206628394U (en) | 2017-02-16 | 2017-02-16 | A kind of high-voltage earthing disconnecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143665.7U CN206628394U (en) | 2017-02-16 | 2017-02-16 | A kind of high-voltage earthing disconnecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628394U true CN206628394U (en) | 2017-11-10 |
Family
ID=60210425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720143665.7U Expired - Fee Related CN206628394U (en) | 2017-02-16 | 2017-02-16 | A kind of high-voltage earthing disconnecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628394U (en) |
-
2017
- 2017-02-16 CN CN201720143665.7U patent/CN206628394U/en not_active Expired - Fee Related
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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: 20171110 Termination date: 20180216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |