CN208690537U - A kind of embedding envelope formula copper-aluminium joint - Google Patents
A kind of embedding envelope formula copper-aluminium joint Download PDFInfo
- Publication number
- CN208690537U CN208690537U CN201821329316.5U CN201821329316U CN208690537U CN 208690537 U CN208690537 U CN 208690537U CN 201821329316 U CN201821329316 U CN 201821329316U CN 208690537 U CN208690537 U CN 208690537U
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- CN
- China
- Prior art keywords
- aluminium joint
- copper
- embedding
- aluminium
- copper sleeve
- 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.)
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 65
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 claims abstract description 56
- 239000010949 copper Substances 0.000 claims abstract description 56
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000004411 aluminium Substances 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000001131 transforming effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000271510 Agkistrodon contortrix Species 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses a kind of embedding envelope formula copper-aluminium joints, including aluminium joint and copper sleeve, one end of the aluminium joint is nested in inside one end of the copper sleeve and is bolted to connection, the other end of the aluminium joint is for connecting aluminum conductor, the other end of the copper sleeve is respectively arranged with a sealing structure at the both ends of the aluminium joint and the copper sleeve interconnecting piece for connecting power transmission and transforming equipment.The utility model solves the problems, such as that existing copper-aluminium joint faying face contact quality variation easily occurs and causes scaling loss with contact resistance increase: connecting aluminium joint and copper sleeve using screw connection manner, solderless termination process is easy to operate；The connection of copper sleeve, aluminium joint and atmosphere is prevented by sealing, so that all overcurrent channels do not have the infiltration of oxygen and steam, copper-aluminium joint performance is improved, prolongs its service life.
Description
Technical field
The utility model relates to the technical fields of transformer equipment, more particularly to a kind of embedding envelope formula copper-aluminium joint.
Background technique
Transformer equipment, controller switching equipment and a large amount of outlet terminals of end user device are copper sheet, are connect with aluminum equipment wire clamp
The position of touching is known as copper-aluminium joint.The unobstructed performance of bond strength, overcurrent, the stability of faying face of copper-aluminium joint are to influence it just
The key factor being often used.There are two types of manufacturing process for current copper-aluminium joint: one is existed with the method for flash welding or friction welding (FW)
One piece of copper sheet of butt welding on aluminium joint；Another kind is that the side with soldering processes on aluminium sheet is covered with one piece of sheet copper.In reality
In the operation of border, easily there is faying face contact quality variation in these copper-aluminium joints and contact resistance increases the problems such as causing scaling loss.
Although improving copper-aluminium joint performance there are many improved technology, extend its service life, effect is unsatisfactory.Study carefully it
The reason is as follows that:
1, the reducing property of aluminum material is strong, Yi Fasheng arc oxidation, primary battery oxidation, the alumina powder resistance of generation
Greatly, swell increment is big；
2, copper, the blending energy of aluminum material are poor, and Cu and Al combination face air gap is constantly present, and aluminium, which is oxidized, to be also constantly present；
3, the uncompensated pressure of current copper-aluminium joint, in addition the thermal expansion coefficient of copper aluminium material material is different, thermal deformation is also made
It is deteriorated at the bonding state of copper-aluminium joint.
Utility model content
The purpose of the utility model is to provide a kind of embedding envelope formula copper-aluminium joint, to solve above-mentioned of the existing technology ask
Topic makes copper, aluminium joint isolation air, overcurrent channel does not have oxygen and water by carrying out embedding envelope to copper-aluminium joint interconnecting piece
The infiltration of vapour improves copper-aluminium joint performance, extends service life.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of embedding envelope formula copper-aluminium joint, including aluminium joint and copper sleeve, and the one of the aluminium joint
End is nested in inside one end of the copper sleeve and is bolted to connection, and the other end of the aluminium joint is led for connecting aluminium
Line, the other end of the copper sleeve is for connecting power transmission and transforming equipment, at the both ends of the aluminium joint and the copper sleeve interconnecting piece
It is respectively arranged with a sealing structure.
Preferably, one end of the aluminium joint is connecting column, and the connecting column includes connected cylinder and cone, the company
It connects and is provided with threaded hole in the middle part of column, the threaded hole matches with the bolt；The aluminium joint is connect with the aluminum conductor
The other end is bell-and-spigot pipe, and the end of the aluminum conductor is located inside the bell-and-spigot pipe and closely connect with the bell-and-spigot pipe.
Preferably, described copper sleeve one end is connector sleeve, and the connector sleeve includes cone section and cylindrical section, the cone section and institute
Cone is stated to match, the diameter of the cylindrical section is not less than the diameter of the cylinder, the connector sleeve be internally provided with it is described
The counter sink that bolt matches；The other end that the copper sleeve is connect with the power transmission and transforming equipment is plat part, the plat part
On offer connecting hole, the connecting hole is connect by connecting bolt with the power transmission and transforming equipment.
Preferably, there are two spring shim, the sealing structure is embedding envelope for setting between the bolt and the copper sleeve
Structure.
Preferably, the material of the embedding seal structure is tin, lead or polyurethane foams.
Preferably, small sealing ring, flat shim and bullet are also disposed between the bolt and one end of the interconnecting piece
Spring gasket.
Preferably, the spring shim is two panels.
Preferably, the other end of the interconnecting piece is arranged with embedding capping and large sealing packing ring, and the embedding capping connects with the copper
Head is spirally connected, and the large sealing packing ring is set between the embedding capping, the copper sleeve and the aluminium joint.
Preferably, the bolt is hexagon socket head cap screw.
Preferably, the copper sleeve and the aluminium joint are integrally formed part.
The utility model achieves following technical effect compared with the existing technology:
The utility model solve existing copper-aluminium joint easily occur faying face contact quality be deteriorated and contact resistance increase make
The problem of at scaling loss: easy to operate using screw connection manner connection aluminium joint and copper sleeve, solderless termination process；It is prevented by sealing
The connection of copper sleeve, aluminium joint and atmosphere improves so that all overcurrent channels do not have the infiltration of oxygen and steam
Copper-aluminium joint performance extends its service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram in the embedding envelope formula copper-aluminium joint embodiment one of the utility model；
Fig. 2 is the structural schematic diagram of the utility model aluminium joint；
Fig. 3 is the structural schematic diagram of the utility model copper sleeve；
Fig. 4 is the structural schematic diagram of bolt in the embedding envelope formula copper-aluminium joint of the utility model；
Fig. 5 is the structural schematic diagram in the embedding envelope formula copper-aluminium joint embodiment two of the utility model；
Fig. 6 is the structural schematic diagram of embedding capping in the utility model embodiment two；
Fig. 7 is the structural schematic diagram of sealing ring in the utility model embodiment two；
Wherein: 1- aluminum conductor, 2- aluminium joint, 3- copper sleeve, the embedding seal structure of 4-, 5- small sealing ring, 6- connecting hole, 7- spiral shell
Bolt, 8- spring shim, 9- large sealing packing ring, 10- flat shim, the embedding capping of 11-, 12- threaded hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is of the existing technology to solve the problems, such as the purpose of the utility model is to provide a kind of embedding envelope formula copper-aluminium joint, lead to
It crosses and embedding envelope is carried out to copper-aluminium joint interconnecting piece, make copper, aluminium joint isolation air, overcurrent channel does not have the infiltration of oxygen and steam
Enter, improves copper-aluminium joint performance, extend service life.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment one
It is as shown in Figures 1 to 4: a kind of embedding envelope formula copper-aluminium joint, including aluminium joint 2 and copper sleeve 3 are present embodiments provided,
Copper sleeve 3 and aluminium joint 2 be integrally formed part structure and connection relationship it is simple, be easily worked, also enhance copper sleeve 3, aluminium
2 tensile capacity of connector and overcurrent ability.One end of aluminium joint 2 is nested in inside one end of copper sleeve 3 and by bolt 7
It is fixedly connected, the other end of aluminium joint 2 is also nested crimping with aluminum conductor 1 for connecting aluminum conductor 1, the other end of aluminium joint 2
It forms.The other end of copper sleeve 3 is respectively set for connecting power transmission and transforming equipment at the both ends of 3 interconnecting piece of aluminium joint 2 and copper sleeve
There is a sealing structure, wherein sealing structure is embedding seal structure 4, and the material of embedding seal structure 4 is tin, lead or polyurethane foams.
Embedding envelope must assure that tight-closed, the connection of copper sleeve 3, aluminium joint 2 and air be prevented by embedding seal structure 4, so that electric current
The favorable sealing property of flow channels ensures that the faying face of junction does not contact or lacks ingress of air and rainwater as far as possible, effectively solves
The problem of junction quality easily occurred between copper sleeve 3, aluminium joint 2 of having determined is deteriorated and contact resistance increase causes scaling loss, changes
It has been apt to 2 performance of copper sleeve 3 and aluminium joint, has prolonged its service life.
Specifically, one end of aluminium joint 2 is connecting column, connecting column includes connected cylinder and cone, the combination of interconnecting piece
Face is frustum column, ensure that contact area meets current density requirement, and also ensure the area of passage of certain nargin.Connection
It is provided with threaded hole 12 in the middle part of column, threaded hole 12 matches with bolt 7；There are two springs for setting between bolt 7 and copper sleeve 3
Gasket 8, bolt 7 are that hexagon socket head cap screw is connected by hexagon socket head cap screw tensioning, configure two panels spring shim 8.The material of bolt 7 is preferred
For copper.It configures two panels spring pad and generates tension nargin, prevent from causing the faying face of junction to loosen due to deformation, thermal expansion etc.
Phenomenon.The other end that aluminium joint 2 is connect with aluminum conductor 1 be bell-and-spigot pipe, the end of aluminum conductor 1 be located at bell-and-spigot pipe inside and with hold
The close connection of intubation, and preferably nested crimping.
3 one end of copper sleeve is connector sleeve, and connector sleeve is internally provided with the counter sink to match with bolt 7；Connector sleeve includes
Section and cylindrical section are bored, cone section matches with cone, and the bolt 7 of the present embodiment connects while copper sleeve 3, aluminium joint 2 can be had to tensioning
(i.e. wedge-shaped tension structure) is connect, the tensile force of taper faying face is much larger than plane tensile force, increases frictional resistance, makes copper sleeve
3 and aluminium joint 2 tensile property enhancing.The diameter of cylindrical section is not less than the diameter of cylinder, when sealing structure is embedding seal structure 4
When, the diameter of cylindrical section is slightly larger than the diameter of cylinder, for injecting embedding sealing material, make it is embedding obturage it is close.Copper sleeve 3 is set with power transmission and transformation
The other end of standby connection is plat part, and connecting hole 6 is offered on plat part, and connecting hole 6 passes through connection bolt and power transmission and transforming equipment
Connection.
Embodiment two
As shown in Fig. 2 to 7: the difference between this embodiment and the first embodiment lies in sealing structure is different, specially bolt 7 and even
Small sealing ring 5, flat shim 10 and spring shim 8 are also disposed between one end of socket part, wherein the spring in the present embodiment
Gasket 8 is preferably two panels.The other end of interconnecting piece is arranged with embedding capping 11 and large sealing packing ring 9, embedding capping 11 and 3 spiral shell of copper sleeve
It connects, large sealing packing ring 9 is set between embedding capping 11, copper sleeve 3 and aluminium joint 2.The use of small sealing ring 5 and large sealing packing ring 9 is same
Sample prevents the connection of copper sleeve 3, aluminium joint 2 and air, so that the favorable sealing property in overcurrent channel ensures junction
Faying face do not contact or lack ingress of air and rainwater as far as possible, improve 2 performance of copper sleeve 3 and aluminium joint, extend it using the longevity
Life.
Wherein, the diameter of cylindrical section is not less than the diameter of cylinder, when sealing structure is above-mentioned sealing structure, cylindrical section
Diameter is equal to the diameter of cylinder, avoids generating the unnecessary air of hole reservation, influences the leakproofness of interconnecting piece.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of embedding envelope formula copper-aluminium joint, it is characterised in that: including aluminium joint and copper sleeve, one end of the aluminium joint is nested in
It inside one end of the copper sleeve and is bolted to connection, the other end of the aluminium joint is described for connecting aluminum conductor
The other end of copper sleeve is respectively set for connecting power transmission and transforming equipment at the both ends of the aluminium joint and the copper sleeve interconnecting piece
There is a sealing structure.
2. embedding envelope formula copper-aluminium joint according to claim 1, it is characterised in that: one end of the aluminium joint is connecting column,
The connecting column includes connected cylinder and cone, and threaded hole, the threaded hole and the spiral shell are provided in the middle part of the connecting column
Bolt matches；The other end that the aluminium joint is connect with the aluminum conductor is bell-and-spigot pipe, and the end of the aluminum conductor is located at described
It is closely connect inside bell-and-spigot pipe and with the bell-and-spigot pipe.
3. embedding envelope formula copper-aluminium joint according to claim 2, it is characterised in that: described copper sleeve one end is connector sleeve, institute
Stating connector sleeve includes that cone section and cylindrical section, the cone section match with the cone, and the diameter of the cylindrical section is not less than described
The diameter of cylinder, the connector sleeve are internally provided with the counter sink to match with the bolt；The copper sleeve and the defeated change
The other end of electric equipment connection is plat part, offers connecting hole on the plat part, the connecting hole by connection bolt with
The power transmission and transforming equipment connection.
4. embedding envelope formula copper-aluminium joint according to claim 1, it is characterised in that: set between the bolt and the copper sleeve
It sets there are two spring shim, the sealing structure is embedding seal structure.
5. embedding envelope formula copper-aluminium joint according to claim 4, it is characterised in that: the material of the embedding seal structure is tin, lead
Or polyurethane foams.
6. embedding envelope formula copper-aluminium joint according to claim 1, it is characterised in that: one end of the bolt and the interconnecting piece
Between be also disposed with small sealing ring, flat shim and spring shim.
7. embedding envelope formula copper-aluminium joint according to claim 6, it is characterised in that: the spring shim is two panels.
8. embedding envelope formula copper-aluminium joint according to claim 6, it is characterised in that: the other end of the interconnecting piece is arranged with embedding
Capping and large sealing packing ring, the embedding capping are spirally connected with the copper sleeve, and the large sealing packing ring is set to the embedding capping, the copper
Between connector and the aluminium joint.
9. embedding envelope formula copper-aluminium joint according to claim 1, it is characterised in that: the bolt is hexagon socket head cap screw.
10. embedding envelope formula copper-aluminium joint according to claim 1, it is characterised in that: the copper sleeve and the aluminium joint are equal
Be integrally formed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329316.5U CN208690537U (en) | 2018-08-17 | 2018-08-17 | A kind of embedding envelope formula copper-aluminium joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329316.5U CN208690537U (en) | 2018-08-17 | 2018-08-17 | A kind of embedding envelope formula copper-aluminium joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690537U true CN208690537U (en) | 2019-04-02 |
Family
ID=65885569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821329316.5U Active CN208690537U (en) | 2018-08-17 | 2018-08-17 | A kind of embedding envelope formula copper-aluminium joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112615170A (en) * | 2020-12-03 | 2021-04-06 | 广东电网有限责任公司电力科学研究院 | Electric primary equipment joint and heating processing method thereof |
| CN112895661A (en) * | 2020-12-30 | 2021-06-04 | 昆山市振达铝业有限公司 | Compound improved generation high strength aluminium bar |
-
2018
- 2018-08-17 CN CN201821329316.5U patent/CN208690537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112615170A (en) * | 2020-12-03 | 2021-04-06 | 广东电网有限责任公司电力科学研究院 | Electric primary equipment joint and heating processing method thereof |
| CN112895661A (en) * | 2020-12-30 | 2021-06-04 | 昆山市振达铝业有限公司 | Compound improved generation high strength aluminium bar |
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