CN208655264U - A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire - Google Patents
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire Download PDFInfo
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- CN208655264U CN208655264U CN201821147067.8U CN201821147067U CN208655264U CN 208655264 U CN208655264 U CN 208655264U CN 201821147067 U CN201821147067 U CN 201821147067U CN 208655264 U CN208655264 U CN 208655264U
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Abstract
The utility model discloses a kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wires, it is characterized by comprising the twisted wires having positioned at middle part, the twisted wire is twisted by more nickel cobalt (alloy) lines, and heat-resisting aluminium alloy layer is respectively coated by outside every nickel cobalt (alloy) line, its heat-resisting aluminium alloy collectively formed is coated with nickel cobalt (alloy) twisted wire layer, the nickel cobalt (alloy) twisted wire layer is coated with heat-resisting trapezoidal aluminium alloy stranded conductor layer, and the heat-resisting trapezoidal aluminium alloy stranded conductor layer is coated with round heat-resisting aluminium alloy twisted layer.The structure design of the utility model is reasonable, the electric energy of identical capacity is transmitted outside this structure, the outer diameter of heat-resisting wire reduces, steel tower sets up expense and accordingly reduces, and stringing is convenient, can reduce construction cost, 30~50%, including line loss, annual appropriation can reduce by 30%, with good economic efficiency and social benefit.
Description
Technical field:
The utility model relates to the fields such as power transmission and distribution overhead transmission line increase-volume, transformation, relate generally to a kind of heat-resisting times of capacity
Clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire.
Background technique:
China Power is carrying out development with rapid changepl. never-ending changes and improvements, and generator installed capacity is in cumulative year after year, and transmission voltage is by height
Press to super-pressure 500kV and the above direction lift-rising.Remote Large Capacity HVDC Techniques reach its maturity, national high pressure internet
It is being formed, prefabricated stringing New Techniques gradually adopt, and the quality requirement of aerial condutor becomes more and more important.
Reform and opening-up is over 30 years, and from 1978 to 2016 year, Chinese generator capacity increases to 3,500,000,000 kW, year from 57,120,000 kW
Increase by 11.4%, annual electricity generating capacity there are 256,500,000,000 kW to increase to 53414.8 hundred million kW, increases by 8.3% every year.The power generation dress of China at present
Machine capacity and annual electricity generating capacity rank first in the world.
Even if in this way, greatlying restrict local economy there is also there is the problem of electricity is not used in many places in China
Development.To find out its cause, being primarily due to that line corridor is limited, and caused by wire transmission capacity is small, how to solve this problem is
It is crucial.
There are two types of methods for the increase-volume of existing transmission line of electricity: first is that increasing conductor cross-section；Second is that using heat-resisting wire.But it adopts
It taking and increases the existing steel tower of conductor cross-section requirement reinforcement, this will put into a large amount of former steel tower and build cost of dismantling and set new steel tower expense,
It most importantly takes over large area land resource for use, occupies the longer construction period.
Utility model content:
The utility model aim is exactly in order to make up the defect of prior art, to provide a kind of heat-resisting times of capacity clearance type aluminium conjunction
Golden nickel coat cobalt alloy core aluminium alloy aerial twisted wire can be used original steel tower and carry out mounting and installation, and construction cost is to change steel tower
Expense reduces more than half, and the completion time of project is the one third for changing the steel tower time.
The utility model is achieved through the following technical solutions:
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, it is characterised in that: including
There is the twisted wire positioned at middle part, the twisted wire is twisted by more nickel cobalt (alloy) lines, and is respectively coated by outside every nickel cobalt (alloy) line
There is heat-resisting aluminium alloy layer, the heat-resisting aluminium alloy collectively formed is coated with nickel cobalt (alloy) twisted wire layer, the nickel cobalt (alloy) twisted wire
Layer is coated with heat-resisting trapezoidal aluminium alloy stranded conductor layer, and the heat-resisting trapezoidal aluminium alloy stranded conductor layer is coated with round heat-resisting aluminium alloy
Twisted layer.
The every nickel cobalt (alloy) line is coated with heat-resisting aluminium alloy layer, is squeezed heat-resisting aluminium alloy by aluminium Baogang machine
Briquetting overlays on nickel cobalt (alloy) line, then forms one layer of close heat-resisting aluminium alloy layer by the wire drawing machine drawing of aluminium Baogang.
Aluminium alloy transition zone, the aluminium are equipped between the nickel cobalt (alloy) twisted wire layer and heat-resisting trapezoidal aluminium alloy stranded conductor layer
Alloy transition layer is spliced by the aluminum-alloy line that six sections are similar right angled triangle, and the long right angle of aluminum-alloy line
While being arc-shaped side.
The heat-resisting trapezoidal aluminium alloy stranded conductor layer is prefabricated into trapezoidal more closing lays and closes in heat-resisting aluminium alloy nickel coat cobalt
On golden twisted wire layer, gap is formed between heat-resisting trapezoidal aluminium alloy stranded conductor layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.The gap
It is designed for stress transfer, makes conducting wire at stress (set up and use), the power that aluminium alloy conductor should bear, partly or entirely
It is transferred to aluminium alloy nickel coat cobalt alloy core, i.e. aluminium alloy nickel coat cobalt alloy core carries conducting wire whole or most stress.
And clearance layer fills thermally conductive ointment, thermally conductive ointment conduction heat and lubricating action, i.e., heat conduction between above-mentioned two twisted layer and
Lubricating action.
The utility model has the advantages that:
The structure design of the utility model is reasonable, and the electric energy of identical capacity is transmitted outside this structure, and the outer diameter of heat-resisting wire reduces,
Steel tower sets up expense and accordingly reduces, and stringing is convenient, can reduce construction cost, and 30~50%, including line loss, year
Degree
Funds can reduce by 30%, with good economic efficiency and social benefit.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment:
Referring to attached drawing.
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, includes positioned at middle part
Twisted wire, the twisted wire are twisted by more nickel cobalt (alloy) lines 1, and heat-resisting aluminium is respectively coated by outside every nickel cobalt (alloy) line 1
Alloy-layer 2, the heat-resisting aluminium alloy collectively formed are coated with nickel cobalt (alloy) twisted wire layer 3,3 outer cladding of nickel cobalt (alloy) twisted wire layer
There is heat-resisting trapezoidal aluminium alloy stranded conductor layer 4, the heat-resisting trapezoidal aluminium alloy stranded conductor layer 4 is coated with round heat-resisting aluminium alloy twisted layer 5.
The every nickel cobalt (alloy) line 1 is coated with heat-resisting aluminium alloy layer 2, by aluminium Baogang machine by heat-resisting aluminium alloy
Extrusion cladding forms one layer of close heat-resisting aluminium alloy layer on nickel cobalt (alloy) line, then by the wire drawing machine drawing of aluminium Baogang.
It is heat-resisting trapezoidal aluminium alloy stranded conductor layer 4 outside the nickel cobalt (alloy) line 1 that the heat-resisting aluminium alloy layer 2 coats, this layer resistance to
The trapezoidal aluminium alloy stranded conductor layer of heat is prefabricated into trapezoidal more closing lays on heat-resisting aluminium alloy nickel coat cobalt alloy twisted wire layer 3, resistance to
Gap is formed between the trapezoidal aluminium alloy stranded conductor layer of heat and aluminium alloy nickel coat cobalt alloy twisted wire layer.
It is conduction oil between the heat-resisting trapezoidal aluminium alloy stranded conductor layer 4 and heat-resisting aluminium alloy cladding nickel cobalt (alloy) twisted layer 3
Cream.
Aluminium alloy transition zone 6, institute are equipped between the nickel cobalt (alloy) twisted wire layer 3 and heat-resisting trapezoidal aluminium alloy stranded conductor layer 4
Aluminium alloy transition zone 6 is stated to be spliced by the aluminum-alloy line that six sections are similar right angled triangle, and aluminum-alloy line
Long right-angle side is arc-shaped side.
It is greatly improved since metals, the recrystallization temperatures enabled aluminum alloy to such as zirconium, yttrium being added in alloy conductor, the conducting wire of manufacture
Long-term operating temperature is increased to highest from 90 DEG C of plain conductor and works 250 DEG C or so, and current-carrying capacity is increased to 2~2.5 times, sees below
The lifting-line of table 1, twisted wire is twisted using nickel cobalt (alloy), and this metal hardly follows temperature change within the scope of magnetic temperature and grows
Degree mode changes, so being laid in overhead transmission line, arc sag is especially small, see the table below 2, in the insufficient situation of route headroom, makes
With heat-resisting trapezoidal aluminium alloy stranded conductor layer can effectively save route headroom, reduce line construction investment.So conducting wire especially suitable for
The biggish section of electric current fluctuation.Furthermore line bar is constant, needs to change the section of line increase-volume, and route Bottle Neck Road, urban corridor are straitly
Area, seasonal overload route, is applicable in this line.
The conductor temperature not of the same race of table 1 and current-carrying scale compare
The conducting wire sag value not of the same race of table 2 compares
In addition described this technical solution of aluminium alloy transition zone can be added as needed, when internal nickel cobalt (alloy) twists
It, can through this structure, between reducing between nickel cobalt (alloy) twisted wire layer 3 and heat-resisting trapezoidal aluminium alloy stranded conductor layer 4 when line layer stability difference
Gap, to increase its stability, the short right-angle side of aluminum-alloy line distinguishes the aluminium of wherein side adjacent thereto when specifically splicing
The bevel edge pairing of alloy lines is combined with each other and constitutes a regular hexagon, and passes through the structure of arc long right-angle side, can make outside it
Circumference is close to circle, thus between fuller filling nickel cobalt (alloy) twisted wire layer 3 and heat-resisting trapezoidal aluminium alloy stranded conductor layer 4
Gap keeps its structure more stable.
Claims (5)
1. a kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, it is characterised in that: include
Twisted wire positioned at middle part, the twisted wire are twisted by more nickel cobalt (alloy) lines, and have been respectively coated by outside every nickel cobalt (alloy) line
Heat-resisting aluminium alloy layer, the heat-resisting aluminium alloy collectively formed are coated with nickel cobalt (alloy) twisted wire layer, the nickel cobalt (alloy) twisted wire layer
It is coated with heat-resisting trapezoidal aluminium alloy stranded conductor layer, the heat-resisting trapezoidal aluminium alloy stranded conductor layer is coated with round heat-resisting aluminium alloy and twists
Layer.
2. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: the every nickel cobalt (alloy) line is coated with heat-resisting aluminium alloy layer.
3. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: the heat-resisting trapezoidal aluminium alloy stranded conductor layer is prefabricated into trapezoidal more closing lays and closes in heat-resisting aluminium alloy nickel coat cobalt
On golden twisted wire layer, gap is formed between heat-resisting trapezoidal aluminium alloy stranded conductor layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.
4. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
It is characterized in that: being conduction oil between the heat-resisting trapezoidal aluminium alloy stranded conductor layer and heat-resisting aluminium alloy cladding nickel cobalt (alloy) twisted layer
Cream.
5. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
It is characterized in that: being equipped with aluminium alloy transition zone between the nickel cobalt (alloy) twisted wire layer and heat-resisting trapezoidal aluminium alloy stranded conductor layer, it is described
Aluminium alloy transition zone is spliced by the aluminum-alloy line that six sections are similar right angled triangle, and the length of aluminum-alloy line is straight
The arm of angle is arc-shaped side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147067.8U CN208655264U (en) | 2018-07-19 | 2018-07-19 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821147067.8U CN208655264U (en) | 2018-07-19 | 2018-07-19 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
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| CN208655264U true CN208655264U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962430A (en) * | 2018-07-19 | 2018-12-07 | 河北环亚线缆有限公司 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
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2018
- 2018-07-19 CN CN201821147067.8U patent/CN208655264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962430A (en) * | 2018-07-19 | 2018-12-07 | 河北环亚线缆有限公司 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
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