CN202384095U - Line dividing device for producing wire-grid type expanded conductor - Google Patents
Line dividing device for producing wire-grid type expanded conductor Download PDFInfo
- Publication number
- CN202384095U CN202384095U CN2011204878869U CN201120487886U CN202384095U CN 202384095 U CN202384095 U CN 202384095U CN 2011204878869 U CN2011204878869 U CN 2011204878869U CN 201120487886 U CN201120487886 U CN 201120487886U CN 202384095 U CN202384095 U CN 202384095U
- Authority
- CN
- China
- Prior art keywords
- hole
- strand
- taken out
- type expanded
- heart yearn
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Wire Processing (AREA)
Abstract
The utility model relates to a line dividing device for producing a wire-grid type expanded conductor, which comprises a main body, wherein the main body is provided with a core line hole for allowing the core line to pass through, and a plurality of aluminum line holes for allowing the single aluminum line to pass through; the core line hole is arranged in the middle of the main body, and the aluminum line holes are peripherally distributed around the center of the core line hole as the center of the circle. The utility model can effectively avoid the single uneven arrangement of the middle aluminum line due to grid the wire and single line surface abrasion due to single line sliding and squeezing. The structure of the line dividing device is simple and the operation of the device is convenient.
Description
Technical field
the utility model relates to the manufacturing field of 750kV UHV transmission line with energy-saving expanded conductor, particularly relates to a kind of production and takes out strand branch means of type expanded conductor.
Background technology
The demand to electric power of growing continuously and fast of
Chinese national economy is in continuous increase, and the planning of building Co., Ltd according to state's net will be focused the consruction on 500kV and above extra high voltage network in recent years.In the coming five years, State Grid Corporation of China and Southern Power Grid Company drop into 10,000 2 hundred billion yuan altogether and carry out power grid construction and transformation, and gross investment is that the twice of last urban and rural power grids construction and upgrading total investment is many.
constantly carrying out along with the national grid construction; The particularly construction of the follow-up circuit of northwest 750kV; State Grid Corporation of China and the signature of northwest five provinces (district) government are about the minutes of talks of Eleventh Five-Year Plan power network development; The northwest 750 kv grid objects of planning have been confirmed, the milestone plan of clear and definite 750 kv grids development: built up the 750 kilovolts of key racks in northwest in 2008; 2010, form 750 kv grid main grid structures in Xinjiang, realize the networking of Xinjiang electrical network and Northwest Grid.Northwest Grid company East Lanzhou-Pingliang-Qian County of being about to build at present, and Hami is to the Gansu transmission line, and 750 kv grid circuits institute is smooth through regional physical features, is well suited for using the expanded conductor product.
expanded conductor can be used for UHV transmission line exactly, and it is big to have a transmission power, and line loss is few and reduce outstanding advantage such as circuit corridor, can improve the current delivery capacity at extra-high voltage direct-current.Adopt expanded conductor, the use that can practice thrift the conductive aluminum material in large quantities reduces project cost, in the long term, can increase very big economic benefit and social benefit.
Strand separated time of layer circle aluminum steel is taken out in
; Take out burst key technology of round line supporting expanded diameter conductor as research and development production middle level; The most important thing of design decision product quality; Cause the middle level aluminum steel to arrange inhomogeneously because of taking out the single line that causes behind the thigh easily, and single line slides to press together and causes the single line galled spots.
Summary of the invention
the utility model purpose provides a kind of production and takes out strand branch means of type expanded conductor.
For achieving the above object, the technical scheme that the utility model adopts is:
Strand branch means of type expanded conductor is taken out in
a kind of production; It comprises a body; Offer a heart yearn hole that allows heart yearn to pass through, the aluminum steel hole that the single aluminum steel of a plurality of permission passes through on the described body; Described heart yearn hole is positioned at the middle part of described body, and a plurality of described aluminum steels hole is the circle distribution in the center of circle along the center with described heart yearn hole.
preferably; Described body one side is provided with the connecting portion that is used for frame twists or cage strand equipment is connected; Described body and connecting portion are run through in described heart yearn hole, and the centre bore of the external diameter of described connecting portion and described frame strand or cage strand equipment is complementary.
Further preferably, described body and connecting portion are wholely set
.
preferably are provided with guide wheel between each described aluminum steel hole and the heart yearn hole and lead mouth, and described guide wheel is led mouth and is arranged near described aluminum steel hole one side.
further preferably, described guide wheel is led the nylon material that mouth adopts the self-lubricating formula.
preferably, the angle between the center line in the center line in described heart yearn hole and described aluminum steel hole be 10～80 the degree.
preferably, a plurality of described aluminum steels hole evenly distributes along same circumference.
preferably, the material of described body is No. 45 steel.
The utility model is primarily aimed at the lead processing of following structure and uses:
1) LGJ400/50 and LGJ500/45 structural steel core aluminum stranded wire are design basis, adopt burst mode of taking out, and expand 400mm2 aluminium cross section the design of the expanded conductor of 500mm2 wire diameter to, and aluminum steel adopts 8+10+22 to take out a burst structure;
2) minimum value>=170MPa of the arbitrary single line of aluminum steel tensile strength before the strand, mean value>=175MPa all is higher than GB and IEC standard; The zinc layer tack (2D) and the flexing test (1D) of steel wire are higher than GB 5D and 4D requirement;
3) uniform distribution of internal layer aluminum steel and adjacent outer aluminum steel (as the adjacent outer and internal layer aluminum steel that supports usefulness, is answered uniform distribution to arrange at this layer, is not allowed any two single lines in the layer to collide in the lead strand system process.）
Its processing mainly comprises following operation:
1, the control of wire-drawing process aluminum steel surface quality: draw aluminum steel to adopt wolfram steel mould and glomerocryst mould usually, wolfram steel mould hardness is not high easy to wear, and line directly is prone to change; And there is one deck oil film on the surface, though homemade glomerocryst mould hardness is high, surface smoothness is not high; On microscopically aluminum steel surface small road ditch is arranged; In order to reach the specification requirement of 750kV Ultra-high Voltage Wire, adopt homemade glomerocryst mould to add the nanometer wire drawing mold with diamond compoiste coating, it is fine to satisfy the aluminium single line surface smoothness of producing; Simultaneously, in process of production for fear of scratch, damage, inboard and simplifiedly should adopt rubber packing to 630 dish tools; Aluminum steel storage area track is isolated; Aluminum steel is transported with railcar, guarantees the single line surface quality fully through above measure, satisfies the requirement of Ultra-high Voltage Wire to corona test;
2, the control of wire-drawing process aluminum steel tensile strength and strength stability: the speed of the intensity of the intensity of aluminum steel and uniformity and aluminium bar, intensity uniformity, wire drawing, to join factors such as mold technique, lubricant effect, wire drawing oil temperature relevant; Adopt following measure to guarantee the wire drawing quality of aluminium single line: (1), drawing speed fix under the identical process conditions with the single line strength range really; Drawing speed is fast more; The heat that produces is many more; Reduce because of high annealing makes single line intensity,, on technology, stipulated specific drawing speed for intensity and the uniformity that guarantees single line; And confirmed that according to drawing speed the strength range of aluminium bar is 95～110 MPa, the aluminium shank diameter is 12.0 mm; (2), the height of wire drawing oil temperature directly influences the mechanical performance and the apparent mass of aluminium single line, temperature is too high, the single line temperature can't be cooled off; Because of aluminum steel self annealing effect, make the mechanical performance of aluminum steel can't satisfy the technical standard requirement, and the single line surface is not bright and clean; Be prone to phenomenon such as plug mould etc., in order to guarantee to produce in enormous quantities, make the wire drawing oil cooling system of wire drawing machine into the fully-automatic thermostatic cooling system; Adopt refrigeration machine to force cooling, cooling effect is better like this, and the oil temperature is difficult for raising; Simultaneously oily temperature is lower than 50 ℃ and can closes cooling system automatically again, and the oil temperature is controlled between 50 ~ 60 ℃ of technological requirement all the time;
3, the control of length of string: High Speed Heavy-Duty Aluminium Wire Drawing is to adopt the take-up tension pulley to realize the measurement of aluminum steel factory length; Basically can satisfy the fixed length requirement of twisted wire; Require in the production about Duola 50 ~ 100m, with the curtailment that prevents to cause owing to the meter counter error;
The control of
4, strand system process: requirement such as the uniformity, tightness of burst surface smoothness of round line supporting expanded diameter conductor twisted pair wire, roundness, lead is taken out far above 500 kV leads in the middle level; So take following measure to meet the specification: (1), join dish according to the strength test value of aluminum steel, must not require greater than 20 MPa to guarantee aluminium single line strength variance; (2), the control of lead uniformity and tightness, the uniformity of 750kV lead and stranded tightness degree directly influence the corona and the electromagnetic interference performance of lead, and uniformity and stranded tightness degree; Whether the crucial Tension Control that the is stranding machine respectively whether collocation of all even each layer pitch ratio is reasonable; Adopt 630 frame type stranding machines, tension force adopts pneumatic control, when aluminum steel during from dishful to blank panel; The braking force segmentation of drum has guaranteed the uniformity that lead is stranded from large to small; For preventing that lead from cutting off the back broken lot, adopt balanced each single line of pretwist of pre twist, make single line tension force size consistent, and surface easy damaged not, the lead after the strand is very docile, can effectively solve the pine strand of finished product lead, problem such as snakelike, satisfies the construction requirement of lead; (3), the control of conductive line surfaces fineness, for the 750kV UHV transmission line, the smooth in appearance of lead, rounding property are very important; Otherwise can influence the corona performance greatly, so in strand system process, the defective existence that the position of all aluminum steel processes does not all have and abrades aluminum steel; Especially the material of through wires hole, wire-crossing wheel, doubling mould is selected very big to its influence; Adopt nylon material,, in addition also should take the traction wheel surface with safeguard measure such as carry out that dottle pin, drum inboard and cylindrical shell are scraped between nonwoven fabrics parcel, conductor layer to keep the twisted wire smooth in appearance; Could effectively improve conductive line surfaces fineness like this, guarantee that lead has higher anti-corona property; (4), 630 frame winches are transformed, increased the branch means of better effects if more rationally, guaranteed behind the twisted wire to answer uniform distribution to arrange at this layer, any two single lines of taking out in the thigh layer are not collided as the adjacent outer and internal layer aluminum steel that supports usefulness.
Because the technique scheme utilization, the utility model compared with prior art has advantage and effect:
the utility model can effectively avoid the middle level aluminum steel to arrange inhomogeneously because of taking out the single line that causes behind the thigh, and single line slides to press together and cause the single line galled spots, and is simple in structure, easy to operate.
Description of drawings
Accompanying drawing 1 is the front view of embodiment one in the utility model;
Accompanying drawing 2 is the left view of embodiment one in the utility model;
Accompanying drawing 3 is the front view of embodiment two in the utility model;
accompanying drawing 4 is the left view of embodiment two in the utility model.
wherein: 1, body; 10, heart yearn hole; 11, aluminum steel hole; 12, guide wheel is led mouth; 2, connecting portion.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment one:
Strand branch means of type expanded conductor is taken out like Fig. 1, a kind of production shown in 2 in
, and it comprises a body 1, offers a heart yearn hole 10 that allows heart yearn to pass through, the aluminum steel hole 11 that the single aluminum steel of a plurality of permission passes through on the body 1.Angle between the center line in the center line in heart yearn hole 10 and aluminum steel hole 11 is 10～80 degree.
in the present embodiment, body 1 is in the form of annular discs, and heart yearn hole 10 is positioned at the center of body 1, and a plurality of aluminum steels hole 11 is that the circumference in the center of circle evenly distributes along the center with heart yearn hole 10.
are provided with the connecting portion 2 that is used for frame twists or cage strand equipment is connected in body 1 one sides; Body 1 and connecting portion 2 are run through in heart yearn hole 10; The centre bore of the external diameter of connecting portion 2 and frame strand or cage strand equipment is complementary; During use, only need this connecting portion 2 is installed in the central hole of frame strand or cage strand.Body 1 is wholely set with connecting portion 2, and adopts steel No. 45.
Embodiment two:
like Fig. 3, shown in 4, present embodiment and embodiment one are basic identical, and difference is: be provided with guide wheel between each aluminum steel hole 11 and the heart yearn hole 10 and lead mouth 12, and guide wheel is led mouth 12 and is arranged near aluminum steel hole 11 1 sides.In general, guide wheel is led the nylon material that mouth 12 adopts the self-lubricating formulas, guarantees behind the twisted wire to answer uniform distribution to arrange as the adjacent outer and internal layer aluminum steel that supports usefulness at this layer, make any two single lines in taking out strand layer do not collide into, the while monofilament surface is smooth.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection range of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the utility model.
Claims (8)
1. strand branch means of type expanded conductor is taken out in a production; It is characterized in that: it comprises a body; Offer a heart yearn hole that allows heart yearn to pass through, the aluminum steel hole that the single aluminum steel of a plurality of permission passes through on the described body; Described heart yearn hole is positioned at the middle part of described body, and a plurality of described aluminum steels hole is the circle distribution in the center of circle along the center with described heart yearn hole.
2. strand branch means of type expanded conductor is taken out in a kind of production according to claim 1; It is characterized in that: described body one side is provided with the connecting portion that is used for frame twists or cage strand equipment is connected; Described body and connecting portion are run through in described heart yearn hole, and the centre bore of the external diameter of described connecting portion and described frame strand or cage strand equipment is complementary.
3. strand branch means of type expanded conductor is taken out in a kind of production according to claim 2, it is characterized in that: described body and connecting portion are wholely set.
4. strand branch means of type expanded conductor is taken out in a kind of production according to claim 1, it is characterized in that: be provided with guide wheel between each described aluminum steel hole and the heart yearn hole and lead mouth, and described guide wheel is led mouth and is arranged near described aluminum steel hole one side.
5. strand branch means of type expanded conductor is taken out in a kind of production according to claim 4, it is characterized in that: described guide wheel is led the nylon material that mouth adopts the self-lubricating formula.
6. strand branch means of type expanded conductor is taken out in a kind of production according to claim 1, it is characterized in that: the angle between the center line in the center line in described heart yearn hole and described aluminum steel hole is 10～80 degree.
7. strand branch means of type expanded conductor is taken out in a kind of production according to claim 1, it is characterized in that: a plurality of described aluminum steels hole evenly distributes along same circumference.
8. strand branch means of type expanded conductor is taken out in a kind of production according to claim 1, it is characterized in that: the material of described body is No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204878869U CN202384095U (en) | 2011-11-30 | 2011-11-30 | Line dividing device for producing wire-grid type expanded conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204878869U CN202384095U (en) | 2011-11-30 | 2011-11-30 | Line dividing device for producing wire-grid type expanded conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384095U true CN202384095U (en) | 2012-08-15 |
Family
ID=46632582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204878869U Expired - Fee Related CN202384095U (en) | 2011-11-30 | 2011-11-30 | Line dividing device for producing wire-grid type expanded conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971852A (en) * | 2013-02-06 | 2014-08-06 | 江苏汉鼎机械有限公司 | Stranded wire pressing machine and working method thereof |
| CN106024206A (en) * | 2013-07-19 | 2016-10-12 | 江苏汉鼎机械有限公司 | Cable production line and rolling production line for cable production |
| CN106876031A (en) * | 2017-03-16 | 2017-06-20 | 江苏亨通电力特种导线有限公司 | A kind of self-damping low loss and high strength aluminium Baogang core heat-resisting aluminium alloy twisted wire |
-
2011
- 2011-11-30 CN CN2011204878869U patent/CN202384095U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971852A (en) * | 2013-02-06 | 2014-08-06 | 江苏汉鼎机械有限公司 | Stranded wire pressing machine and working method thereof |
| CN103971852B (en) * | 2013-02-06 | 2016-03-09 | 江苏汉鼎机械有限公司 | A kind of twisted wire compactor and method of work thereof |
| CN106024206A (en) * | 2013-07-19 | 2016-10-12 | 江苏汉鼎机械有限公司 | Cable production line and rolling production line for cable production |
| CN106024206B (en) * | 2013-07-19 | 2017-12-08 | 江苏汉鼎机械有限公司 | Cable production line and cable production rolling production line |
| CN106876031A (en) * | 2017-03-16 | 2017-06-20 | 江苏亨通电力特种导线有限公司 | A kind of self-damping low loss and high strength aluminium Baogang core heat-resisting aluminium alloy twisted wire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102364612A (en) | Wire branching device for producing strand-extraction type expanded-diameter conductor | |
| CN104064256B (en) | Special-shaped wire twisted cable conductor and production method thereof | |
| CN202384095U (en) | Line dividing device for producing wire-grid type expanded conductor | |
| CN201570319U (en) | Aluminium cable steel reinforced stranding device | |
| CN104867616A (en) | Novel cable production line | |
| CN205011137U (en) | Simple and easy passive form pay off rack of double -end | |
| CN204858287U (en) | 220kVGIS three -layer roof beam outlet structure | |
| CN202384082U (en) | Middle-layer wire-grid round wire support type expanded conductor | |
| CN208737904U (en) | One kind is from drag chain type low noise drag chain cable | |
| CN106876031A (en) | A kind of self-damping low loss and high strength aluminium Baogang core heat-resisting aluminium alloy twisted wire | |
| CN207009867U (en) | A kind of cable for being easy to connection | |
| CN204614484U (en) | A kind of reinforced polyvinyl chloride insulation control cables | |
| CN209543971U (en) | A kind of railway power cable | |
| CN203715981U (en) | Multistrand wire rope | |
| CN205194353U (en) | But overhead insulated cable of increase -volume | |
| CN207123112U (en) | Elevator winding displacement cooling device | |
| CN101714431B (en) | Process for manufacturing steel-cored aluminum strand for extra high voltage direct current transmission line | |
| CN206991813U (en) | Wear-resisting communication cable architecture | |
| CN204066848U (en) | A kind of heavy in section aluminium core 5+1 milliken conductor | |
| CN203850058U (en) | High-speed single twister | |
| CN209087442U (en) | A kind of industrial automation ASI bus | |
| CN203325575U (en) | One-for-three rubber continuous vulcanization production line | |
| CN204074762U (en) | A kind of wire-drawing die with Nano diamond layer | |
| CN101599621A (en) | Geartrain supporting payingoff trolley | |
| CN110853798A (en) | Energy-saving lead |
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 |
Granted publication date: 20120815 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |