CN205789675U - High-voltage switch cabinet breaker line-outgoing arm - Google Patents
High-voltage switch cabinet breaker line-outgoing arm Download PDFInfo
- Publication number
- CN205789675U CN205789675U CN201620759155.8U CN201620759155U CN205789675U CN 205789675 U CN205789675 U CN 205789675U CN 201620759155 U CN201620759155 U CN 201620759155U CN 205789675 U CN205789675 U CN 205789675U
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- CN
- China
- Prior art keywords
- breaker
- line
- outgoing arm
- aluminum matter
- switch cabinet
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
This utility model relates to a kind of high-voltage switch cabinet breaker line-outgoing arm, it includes aluminum matter line-outgoing arm body and moving contact of breaker, aluminum matter line-outgoing arm body one end is provided with aluminum matter breaker connection seat, the other end is provided with the end that is dynamically connected, the end that is dynamically connected is provided with annular slot, and moving contact of breaker one end is sleeved on and is dynamically connected outside end, and is connected together with annular slot, aluminum matter line-outgoing arm body and aluminum matter breaker connection seat outer surface are provided with silvering, and the end outer surface that is dynamically connected is provided with silver antimony coating；Compared with prior art, this utility model product not only input cost is lower, and be not easy to produce potential difference, more conducively current-carrying, it is more firm, convenient to be connected with breaker body, silvering and silver antimony coating can improve product strength, increasing coefficient of friction, be prevented effectively from and increase contact resistance because leakage aluminum produces aluminium sesquioxide, during connection, electric conductivity is more preferable, aluminum matter line-outgoing arm body is connected more firm, convenient with switch cubicle static contact simultaneously, and the phenomenon being prevented effectively from loose contact produces.
Description
Technical field
This utility model relates to field of circuit breakers, particularly relates to a kind of breaker outgoing line arm.
Background technology
Copper valency goes up in recent years, and the situation of aluminum alloy materials copper electric-conductor as an alternative has come back.Handcart type breaker
Be the core parts of drawer-type switch cabinet, and line-outgoing arm be as the important conducting element of handcart type breaker, carry connection and
The effect of current-carrying, therefore, line-outgoing arm not only needs preferable electrical conductivity, and intensity and hardness are also had certain requirement,
Existing breaker outgoing line arm typically selects T2 copper material.But breaker connection seat is generally aluminium material, if breaker outgoing line arm
Use copper material, be then that unlike material is connected with junction block, easily produce potential difference, be unfavorable for current-carrying, and copper product compares
Weight, cost is higher, is unfavorable for that chopper volume is little and lightweight developing direction, it addition, existing breaker outgoing line arm is logical
Cross the phenomenon that loose contact easily occurs when breaker connection seat electrically connects with breaker body, by moving contact of breaker with
During the electrical connection of switch cubicle static contact firm not, convenient, fast, electric conductivity also has much room for improvement.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of input cost is lower, electric conductivity more preferably, joint
Connect the most firm high-voltage switch cabinet breaker line-outgoing arm more easily.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
A kind of high-voltage switch cabinet breaker line-outgoing arm, it includes aluminum matter line-outgoing arm body and can insert with switch cubicle static contact
The moving contact of breaker connect and conduct electricity, one end of described aluminum matter line-outgoing arm body is provided with and fixing with breaker body can be connected and lead
The aluminum matter breaker connection seat of electricity, described aluminum matter breaker connection seat and described aluminum matter this body by integral forming of line-outgoing arm, described aluminum
Matter breaker connection seat is fixing with breaker body to be connected, and the other end of described aluminum matter line-outgoing arm body is provided with can be with described open circuit
Device moving contact grafting the end that is dynamically connected conducted electricity, described in be dynamically connected end and described aluminum matter this body by integral forming of line-outgoing arm, described dynamic
Connect end and be provided with the annular slot that described moving contact of breaker can be avoided to slide on described aluminum matter line-outgoing arm body, described open circuit
Device moving contact away from one end of switch cabinet static contact be sleeved on described in be dynamically connected outside end, and be connected together with described annular slot,
The outer surface of described aluminum matter line-outgoing arm body and aluminum matter breaker connection seat is provided with the thin uniform silvering of thick layer, described dynamic company
The outer surface connecing end is provided with the thin uniform silver antimony coating of thick layer.
Compared with prior art, the beneficial effects of the utility model are:
Aluminum matter breaker connection seat and aluminum matter this body by integral forming of line-outgoing arm, not only input cost in this utility model product
Lower, and be not easy to produce potential difference, it is more favorable for current-carrying so that more firm, just when they are connected with breaker body
Victory, the phenomenon being prevented effectively from loose contact produces, and aluminum matter line-outgoing arm body and aluminum matter breaker connection seat outer surface are arranged simultaneously
Silvering so that they electric conductivities when being connected with breaker body are more preferable, the end outer surface that is dynamically connected arranges silver antimony coating, by force
Degree reaches 280HBS, and coefficient of friction is bigger, is prevented effectively from and increases contact resistance because leakage aluminum produces aluminium sesquioxide so that it with
When moving contact of breaker connects, electric conductivity is more preferable, and moving contact of breaker is sleeved on and is dynamically connected outside end simultaneously, and and annular slot
It is connected together so that aluminum matter line-outgoing arm body is connected more firm, more convenient, effectively when electrically connecting with switch cubicle static contact
Avoid contact with bad phenomenon to produce.
On the basis of technique scheme, this utility model can also do following improvement.
As a kind of preferred implementation of the present utility model, described aluminum matter line-outgoing arm body is for be made up of 2A12 aluminium alloy
Line-outgoing arm.
Above-mentioned preferred version is used to provide the benefit that: the line-outgoing arm conductivity being made up of 2A12 aluminium alloy is higher, intensity
Higher, mechanical strength reaches 260N/mm2。
As another kind of preferred implementation of the present utility model, the thickness of described silvering is less than described silver antimony coating
Thickness.
Above-mentioned preferred version is used to provide the benefit that: the end needs that are dynamically connected electrically connect with moving contact of breaker, to conduction
Property requirement higher, the thickness of silver antimony coating is more than the thickness of silvering, and intensity is bigger, and coefficient of friction is bigger, more efficient keeps away
Exempt to increase contact resistance because leakage aluminum produces aluminium sesquioxide, be dynamically connected end when being connected with moving contact of breaker conductive effect good,
The most easy to wear.
As another kind of preferred implementation of the present utility model, the thickness of described silvering is 0.01-0.1mm.
Use above-mentioned preferred version to provide the benefit that: can be cost-effective, can be effectively ensured again line-outgoing arm hardness and
Electric conductivity.
As another kind of preferred implementation of the present utility model, the thickness of described silver antimony coating is 0.05-0.5mm.
Use above-mentioned preferred version to provide the benefit that: can be cost-effective, being effectively ensured again be dynamically connected end hardness and
Electric conductivity, be dynamically connected end when being connected with moving contact of breaker conductive effect more preferably, the most easy to wear.
As another kind of preferred implementation of the present utility model, described aluminum matter breaker connection seat is provided with can be with open circuit
The bolted installing hole of device body.
Above-mentioned preferred version is used to provide the benefit that: by integrated aluminum matter breaker connection seat and aluminum matter line-outgoing arm
When body is fixedly connected on breaker body more firm, more convenient.
As another kind of preferred implementation of the present utility model, described aluminum matter line-outgoing arm body is open column shape.
Above-mentioned preferred version is used to provide the benefit that: more cost-effective, convenient processing and fabricating.
As another kind of preferred implementation of the present utility model, described moving contact of breaker is tubular structure, its two ends
Being provided with and can radially produce elastically-deformable conduction cutting ferrule, the internal diameter of described conduction cutting ferrule is interior less than described moving contact of breaker
Footpath, near described in be dynamically connected the conduction cutting ferrule of end and the end grafting that is dynamically connected, and be connected together with described annular slot.
Above-mentioned preferred version is used to provide the benefit that: moving contact of breaker is by can radially produce elastically-deformable conduction
Cutting ferrule is sleeved on and is dynamically connected outside end, and is connected together with annular slot, can make aluminum matter line-outgoing arm body and switch cubicle static contact
Connect more firm, more convenient during electrical connection, more efficient avoid contact with bad phenomenon and produce.
As another kind of preferred implementation of the present utility model, described moving contact of breaker includes pair of parallel setting
Annular metal sheet, multiple metal card article vertical with annular metal sheet and two groups bend fixing spring in the form of a ring, whole institutes
State metal card article to be uniformly distributed around annular metal sheet circumferencial direction, the circumferential outer edge of each described annular metal sheet be equipped with
All metal card article sockets one to one, described socket all extends along annular metal sheet radial direction, described metal card article
Respectively by corresponding socket and two annular metal sheet grafting inside two ends, it is equipped with outside the two ends of described metal card article
The bayonet socket corresponding with often organizing ring-spring, fixes spring and passes through corresponding bayonet socket hoop respectively at whole described metal card articles described in two groups
Two ends outside, be equipped with conductive contact integrated with it inside the two ends of each described metal card article, near switch cubicle
The conductive contact of static contact is positioned at the end of metal card article, near be dynamically connected end conductive contact be positioned at two annular metal sheets it
Between, described conduction cutting ferrule is by corresponding described conductive contact around forming, and the internal diameter of described conduction cutting ferrule is respectively less than described ring-type gold
Belong to the internal diameter of sheet.
Above-mentioned preferred version is used to provide the benefit that: moving contact of breaker is assembled by multiple parts, processing and fabricating
Simpler, convenient, fast, and input cost is lower.
As another kind of preferred implementation of the present utility model, often organize described fixing spring and all include that two are set up in parallel
Spring.
Above-mentioned preferred version is used to provide the benefit that: fixing spring band dynamics outside metal card article is bigger, connects
More firm.
Accompanying drawing explanation
Fig. 1 is the structural representation after this utility model assembling product；
Fig. 2 be this utility model product be dynamically connected end structural representation；
In accompanying drawing, the list of parts representated by each label is as follows:
1, breaker body, 2, aluminum matter breaker connection seat, 3, aluminum matter line-outgoing arm body, 4, moving contact of breaker, 5, dynamic
Connect end, 6, annular slot, 7, switch cubicle static contact, 8, annular metal sheet, 9, metal card article, 10, fixing spring, 11, conduction
Contact.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
Embodiment
As it is shown in figure 1, a kind of high-voltage switch cabinet breaker line-outgoing arm, it include aluminum matter line-outgoing arm body 3 and can with open
Closing cabinet static contact 7 grafting the moving contact of breaker 4 conducted electricity, described aluminum matter line-outgoing arm body 3 is preferably by 2A12 aluminium alloy system
The line-outgoing arm become, preferably in open column shape, one end of described aluminum matter line-outgoing arm body 3 is provided with and can fixing with breaker body 1 connect
The aluminum matter breaker connection seat 2 connect and conduct electricity, described aluminum matter breaker connection seat 2 can be arranged can be with breaker body 1 spiral shell
Tethering the installing hole connect, described aluminum matter breaker connection seat 2 is one-body molded with described aluminum matter line-outgoing arm body 3, and described aluminum matter goes out
The other end of line arm body 3 be provided with can with the grafting of described moving contact of breaker 4 end 5 that is dynamically connected conducted electricity, described in be dynamically connected end
One-body molded with described aluminum matter line-outgoing arm body 3, described in the end 5 that is dynamically connected be provided with described moving contact of breaker 4 can be avoided described
The annular slot 6 slided on aluminum matter line-outgoing arm body 3, described moving contact of breaker 4 is away from one end suit of switch cabinet static contact 7
It is dynamically connected outside end 5 described, and is connected together with described annular slot 6；
The outer surface of described aluminum matter line-outgoing arm body 3 and aluminum matter breaker connection seat 2 is provided with the thin uniform silver plating of thick layer
Layer, described in be dynamically connected end 5 outer surface be provided with thick layer thin uniform silver antimony coating, the thickness of described silvering be less than described silver
The thickness of antimony coating, the thickness of described silvering can be 0.01-0.1mm, and the thickness of described silver antimony coating can be 0.05-
0.5mm。
As in figure 2 it is shown, in this utility model, described moving contact of breaker 4 is preferably in tubular structure, and its two ends are arranged can footpath
To producing elastically-deformable conduction cutting ferrule, the internal diameter of described conduction cutting ferrule is less than the internal diameter of described moving contact of breaker 4, near institute
State the conduction cutting ferrule of the end 5 that is dynamically connected and end 5 grafting that are dynamically connected, and be connected together with described annular slot 6；
Described moving contact of breaker 4 can include the annular metal sheet 8 of pair of parallel setting, multiple and annular metal sheet 8
Vertical metal card article 9 and two groups of fixing springs 10 bent in the form of a ring, whole described metal card articles 9 are around annular metal sheet
8 circumferencial directions are uniformly distributed, and the circumferential outer edge of each described annular metal sheet 8 is equipped with and whole metal card article 9 one_to_one corresponding
Socket, described socket all extends along annular metal sheet 8 radial direction, respectively by right inside the two ends of described metal card article 9
The socket answered and the grafting of two annular metal sheets 8, be equipped with corresponding with often group ring-spring outside the two ends of described metal card article 9
Bayonet socket, fix described in two groups spring 10 respectively by corresponding bayonet socket hoop outside the two ends of whole described metal card articles 9, often group
Described fixing spring 10 the most all includes two springs being set up in parallel；
It is equipped with conductive contact 11 integrated with it, near switch cubicle inside the two ends of each described metal card article 9
The conductive contact 11 of static contact 7 is positioned at the end of metal card article 9, near be dynamically connected end 5 conductive contact 11 be positioned at two ring-type
Between sheet metal 8, described conduction cutting ferrule is by corresponding described conductive contact 11 around forming, and the internal diameter of described conduction cutting ferrule is respectively less than
The internal diameter of described annular metal sheet 8.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model, should not be considered as any reference in claim limiting
Involved claim.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. a high-voltage switch cabinet breaker line-outgoing arm, it is characterised in that it include aluminum matter line-outgoing arm body (3) and can with open
Closing cabinet static contact (7) grafting the moving contact of breaker (4) that conducts electricity, one end of described aluminum matter line-outgoing arm body (3) is provided with can be with
Fixing aluminum matter breaker connection seat (2) connecting and conducting electricity of breaker body (1), described aluminum matter breaker connection seat (2) and institute
Stating aluminum matter line-outgoing arm body (3) one-body molded, the other end of described aluminum matter line-outgoing arm body (3) is provided with and can move with described chopper
Contact (4) grafting the end (5) that is dynamically connected conducted electricity, described in be dynamically connected end one-body molded with described aluminum matter line-outgoing arm body (3), institute
State the end (5) that is dynamically connected and be provided with the annular that described moving contact of breaker (4) can be avoided in the upper slip of described aluminum matter line-outgoing arm body (3)
Draw-in groove (6), described moving contact of breaker (4) away from switch cabinet static contact (7) one end be sleeved on described in be dynamically connected end (5) outward,
And be connected together with described annular slot (6), described aluminum matter line-outgoing arm body (3) and the appearance of aluminum matter breaker connection seat (2)
Face is provided with the thin uniform silvering of thick layer, described in the be dynamically connected outer surface of end (5) be provided with the thin uniform silver antimony coating of thick layer.
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 1, it is characterised in that described aluminum matter line-outgoing arm body
(3) for the line-outgoing arm being made up of 2A12 aluminium alloy.
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 1, it is characterised in that the thickness of described silvering is little
Thickness in described silver antimony coating.
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 3, it is characterised in that the thickness of described silvering is
0.01-0.1mm。
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 3, it is characterised in that the thickness of described silver antimony coating
For 0.05-0.5mm.
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 1, it is characterised in that described aluminum matter chopper connects
Line seat (2) is provided with can be with breaker body (1) bolted installing hole.
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 1, it is characterised in that described aluminum matter line-outgoing arm body
(3) in open column shape.
8. according to the high-voltage switch cabinet breaker line-outgoing arm according to any one of claim 1-7, it is characterised in that described open circuit
Device moving contact (4) is in tubular structure, and its two ends are provided with and can radially produce elastically-deformable conduction cutting ferrule, described conduction cutting ferrule interior
Footpath less than the internal diameter of described moving contact of breaker (4), near described in the be dynamically connected conduction cutting ferrule of end (5) slotting with the end (5) that is dynamically connected
Connect, and be connected together with described annular slot (6).
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 8, it is characterised in that described moving contact of breaker
(4) the annular metal sheet (8) of pair of parallel setting, multiple metal card article (9) and two vertical with annular metal sheet (8) are included
Group bending fixing spring (10) in the form of a ring, whole described metal card articles (9) are uniformly divided around annular metal sheet (8) circumferencial direction
Cloth, the circumferential outer edge of each described annular metal sheet (8) is equipped with and whole metal card article (9) sockets one to one, described
Socket all extends along annular metal sheet (8) radial direction, respectively by corresponding socket inside the two ends of described metal card article (9)
With the grafting of two annular metal sheets (8), outside the two ends of described metal card article (9), it is equipped with the card corresponding with often group ring-spring
Mouthful, fix described in two groups spring (10) respectively by corresponding bayonet socket hoop outside the two ends of whole described metal card articles (9), each
It is equipped with conductive contact integrated with it (11), near switch cubicle static contact (7) inside the two ends of described metal card article (9)
Conductive contact (11) be positioned at the end of metal card article (9), the conductive contact (11) near end (5) that are dynamically connected be positioned at two ring-type
Between sheet metal (8), described conduction cutting ferrule is by corresponding described conductive contact (11) around forming, and the internal diameter of described conduction cutting ferrule is equal
Internal diameter less than described annular metal sheet (8).
High-voltage switch cabinet breaker line-outgoing arm the most according to claim 9, it is characterised in that often organize described fixing spring
(10) two springs being set up in parallel all are included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759155.8U CN205789675U (en) | 2016-07-18 | 2016-07-18 | High-voltage switch cabinet breaker line-outgoing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759155.8U CN205789675U (en) | 2016-07-18 | 2016-07-18 | High-voltage switch cabinet breaker line-outgoing arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789675U true CN205789675U (en) | 2016-12-07 |
Family
ID=58120479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620759155.8U Expired - Fee Related CN205789675U (en) | 2016-07-18 | 2016-07-18 | High-voltage switch cabinet breaker line-outgoing arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887832A (en) * | 2017-03-27 | 2018-04-06 | 江苏明及电气股份有限公司 | A kind of direct-push metal closed switch cabinet and elastic card joint |
-
2016
- 2016-07-18 CN CN201620759155.8U patent/CN205789675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887832A (en) * | 2017-03-27 | 2018-04-06 | 江苏明及电气股份有限公司 | A kind of direct-push metal closed switch cabinet and elastic card joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200718 |