CN108666956A - A kind of strands strengthening core twisted wire strain clamp - Google Patents
A kind of strands strengthening core twisted wire strain clamp Download PDFInfo
- Publication number
- CN108666956A CN108666956A CN201810398947.0A CN201810398947A CN108666956A CN 108666956 A CN108666956 A CN 108666956A CN 201810398947 A CN201810398947 A CN 201810398947A CN 108666956 A CN108666956 A CN 108666956A
- Authority
- CN
- China
- Prior art keywords
- strengthening core
- steel anchor
- bushing pipe
- pipe
- strands
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of strands strengthening core twisted wire strain clamps, it includes strengthening core bushing pipe (1), steel anchor (2), outer aluminum pipe (3), filled layer (4), conduction wire clamp (5)；Strengthening core bushing pipe (1) is sleeved on the end of strengthening core, strengthening core bushing pipe (1) is crimped in the endoporus (2 1) of steel anchor (2) end, outer aluminium pipe sleeve (3) is sleeved on steel anchor (2) and unstripped conductor (6) periphery and compresses, strengthening core in unstripped conductor (6) is connected as one with the strengthening core in endoporus (2 1), filled layer (4) is located between steel anchor (2) and outer aluminum pipe (3), drainage plate (3 1) on outer aluminum pipe (3) is connect by bolt with conduction wire clamp (5), to realize the connection of wire jumper.This strain clamp is reasonable in design, easy for installation, and strengthening core is enable effectively to be connect with steel anchor so that stress transfer is uniform, and the safety in operation of conducting wire is high, highly practical.
Description
Technical field
The present invention relates to the strands strengthening core twisted wire strain clamps in a kind of overhead transmission line.
Background technology
The electric wire used is conveyed generally using steel-cored aluminium strand as conducting wire to solve existing long-range large-capacity power, is consumed energy
Greatly, the problems such as current-carrying capacity is small, and the power failure that thereby results in, disconnection fault happen occasionally replaces metal material using organic composite material
Material makes the core material of conducting wire, has developed advanced composite material (ACM) synthesis core conducting wire.This kind of conducting wire has high temperature resistant, large capacity, low
The features such as energy consumption, long lifespan.Since this kind of conducting wire has very high superiority, obtained in reconstruction of old circuit and new route
Good application.Since super-pressure, extra high voltage line promote the use, large-section lead obtains the demand of bigger, major diameter
The limitation that the bending property of single composite material core lead is bad starts to appear, and brings many inconvenience for construction and installation, is
This, people have developed strands strengthening core to replace single major diameter strengthening core, can solve the above problems.But it is this more
Connecting, fixing for the twisted strengthening core of stock is a urgent problem to be solved.
Invention content
Goal of the invention：The purpose of the present invention is to solve problem of the prior art, provide a kind of strands strengthening core
The special strain clamp of twisted wire, this kind of strain clamp structure is reliable, easy to maintain, since crimp region uses the good material of ductility
Matter, and each contact portion makes stress be distributed on strengthening core added with diamond dust, and the safety coefficient and twisted wire of strengthening core can be improved
Service life.
Technical solution：In order to achieve the object of the present invention, the present invention adopts the following technical scheme that：
A kind of strands strengthening core twisted wire strain clamp, it include strengthening core bushing pipe, steel anchor, outer aluminum pipe, filled layer,
Conduction wire clamp；
Strengthening core liner sleeve is crimped in the end of strengthening core, strengthening core bushing pipe in the endoporus of steel anchor end, outer aluminium pipe sleeve
It is sleeved on steel anchor and unstripped conductor periphery and compresses, the strengthening core in the strengthening core and endoporus in unstripped conductor connects
It is connected in one, the filled layer is between steel anchor and outer aluminum pipe；Filled layer be located at unstripped conductor and outer aluminum pipe it
Between；
Drainage plate on the outer aluminum pipe is connect by bolt with conduction wire clamp, to realize the connection of wire jumper.
Preferably, above-described strands strengthening core twisted wire strain clamp, strengthening core bushing pipe are independent
7 strengthening core aluminum pipes or be the strengthening core bushing pipe with seven endoporus；Strengthening core bushing pipe is internally provided with diamond dust.Strengthening core
Bushing pipe material be aluminium alloy, copper alloy or other materials with good ductility and intensity,
Preferably, above-described strands strengthening core twisted wire strain clamp, the bore area of steel anchor are set
There is diamond dust.
Preferably, above-described strands strengthening core twisted wire strain clamp, filled layer are that aluminium alloy is pre-
Hank knotting or aluminium bushing pipe.
It is welded with drainage plate, drainage plate plane and conducting wire and id orthogonal where wire jumper on outer aluminum pipe, forms " hoe
Formula " or " pistol ".One end of conduction wire clamp is bolted in drainage plate, and the conduction wire clamp other end crimps wire jumper.
Preferably, above-described strands strengthening core twisted wire strain clamp, the strengthening core bushing pipe
It is controlled 7%~8% with the compression ratio of steel anchor press fit part conducting wire strengthening core.
Advantageous effect：Strands strengthening core twisted wire provided by the invention is had the advantage that with strain clamp：
(1) strands strengthening core twisted wire strain clamp provided by the invention is connected, peace by the connection type of crimping
It fills easy to operate.
(2) strands strengthening core twisted wire strain clamp provided by the invention, makes 7 strengthening cores can be effective with steel anchor
Connection so that stress transfer is uniform, improves the safety in operation of conducting wire.
Description of the drawings
Fig. 1 is the structural schematic diagram of strengthening core bushing pipe.
Fig. 2 is the structural schematic diagram of another strengthening core bushing pipe.
Fig. 3 is that steel anchor and steel anchor crimp the front and back structural schematic diagram of area's deformation.
Fig. 4 is the structural schematic diagram of strands strengthening core twisted wire strain clamp.
Fig. 5 is another structural schematic diagram of strands strengthening core twisted wire strain clamp.
Specific implementation mode
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, after having read the present invention, various equivalences of the those skilled in the art to the present invention
The modification of form falls within the application range as defined in the appended claims.
As shown in Fig. 1 to 5, a kind of strands strengthening core twisted wire strain clamp, including strengthening core bushing pipe 1, steel anchor 2,
Outer aluminum pipe 3, filled layer 4 and conduction wire clamp 5.Wherein：Strengthening core bushing pipe 1 is respectively fitted over the end of 7 independent strengthening cores, then will
The strands strengthening core for being cased with strengthening core bushing pipe 1 is put into the endoporus of 2 end of steel anchor, and the part is crimped；It then will be outer
Aluminum pipe 3 is sleeved on the junction between steel anchor 2 and unstripped conductor 6 and crimps, and is led with being connected to steel anchor 2 and the outer layer of twisted wire
Body.Between steel anchor 2 and outer aluminum pipe 3, filled layer 4 is equipped between unstripped conductor 6 and outer aluminum pipe 3, filled layer 4 closes for aluminium
Golden preformed armor rods or aluminium bushing pipe.Drainage plate 3-1 on outer aluminum pipe 3 is connect by bolt with conduction wire clamp 5, to realize the company of wire jumper
It connects.
Above-described strands strengthening core twisted wire strain clamp, strengthening core bushing pipe 1 are independent 7 strengthening core aluminium
Pipe is the strengthening core bushing pipe with seven endoporus；Strengthening core bushing pipe 1 is internally provided with diamond dust.The bore area of steel anchor 2 is set
There is diamond dust.
Wherein, strengthening core bushing pipe and steel anchor control 7%~8% the compression ratio of strengthening core.
The wherein gross area after compression ratio=(gross area after the gross area-crimping before crimping)/crimping；
Wherein：
The gross area is before crimping：+ 7 strengthening core sectional areas of strengthening core bushing pipe area+steel anchor crimping area's ring cross-section product；
Product is below for crimping：Pressing mold sectional area, pressing mold sectional area are：The interior hexagonal cross-section product of steel anchor crimping area's outer diameter ×
0.993。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of strands strengthening core twisted wire strain clamp, which is characterized in that it includes strengthening core bushing pipe (1), steel anchor
(2), outer aluminum pipe (3), filled layer (4), conduction wire clamp (5)；
Strengthening core bushing pipe (1) is sleeved on the end of strengthening core, and strengthening core bushing pipe (1) is crimped on the endoporus (2-1) of steel anchor (2) end
Interior, outer aluminium pipe sleeve (3) is sleeved on steel anchor (2) and unstripped conductor (6) periphery and compresses, in unstripped conductor (6)
Strengthening core is connected as one with the strengthening core in endoporus (2-1), the filled layer (4) be located at steel anchor (2) and outer aluminum pipe (3) it
Between and/or filled layer (4) between unstripped conductor (6) and outer aluminum pipe (3)；
Drainage plate (3-1) on the outer aluminum pipe (3) is connect by bolt with conduction wire clamp (5), to realize the connection of wire jumper.
2. strands strengthening core twisted wire strain clamp according to claim 1, which is characterized in that strengthening core bushing pipe
(1) 7 strengthening core aluminum pipes are independent or for the strengthening core bushing pipe with seven endoporus；Strengthening core bushing pipe (1) is internally provided with
Diamond dust.
3. strands strengthening core twisted wire strain clamp according to claim 1, which is characterized in that steel anchor (2) it is interior
Hole surface is equipped with diamond dust.
4. strands strengthening core twisted wire strain clamp according to claim 1, which is characterized in that filled layer (4) is
Aluminium alloy preformed armor rods or aluminium bushing pipe.
5. strands strengthening core twisted wire strain clamp according to claim 1, which is characterized in that strengthening core bushing pipe
(1) strengthening core is press-connected with steel anchor (2), strengthening core bushing pipe (1) and steel anchor (2) control 7% the compression ratio of strengthening core
~8%；
The wherein gross area after compression ratio=(gross area after the gross area-crimping before crimping)/crimping；
Wherein：The gross area is before crimping：Strengthening core bushing pipe area+strengthening core sectional area+steel anchor crimping area's ring cross-section product；
Product is below for crimping：Pressing mold sectional area, pressing mold sectional area be steel anchor crimp area's outer diameter interior hexagonal cross-section product ×
0.993。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398947.0A CN108666956A (en) | 2018-04-28 | 2018-04-28 | A kind of strands strengthening core twisted wire strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398947.0A CN108666956A (en) | 2018-04-28 | 2018-04-28 | A kind of strands strengthening core twisted wire strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108666956A true CN108666956A (en) | 2018-10-16 |
Family
ID=63781415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810398947.0A Pending CN108666956A (en) | 2018-04-28 | 2018-04-28 | A kind of strands strengthening core twisted wire strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494544A (en) * | 2019-01-09 | 2019-03-19 | 贵州电网有限责任公司 | A kind of 7 strand steel strand wires of aerial condutor dock embedding aluminium crimping structure and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167221Y (en) * | 2008-03-11 | 2008-12-17 | 成都电力金具总厂 | Strain clamp for high-strength steel core aluminum alloy stranded wire |
| CN102623938A (en) * | 2012-04-20 | 2012-08-01 | 仝伟 | Strain clamp for gap-type ultra-heat-resistant capacity-increased aluminum-alloy conductor |
| CN203352096U (en) * | 2013-07-04 | 2013-12-18 | 国家电网公司 | Strain clamp used for aluminum alloy core aluminum stranded conductor |
| CN103457216A (en) * | 2013-08-29 | 2013-12-18 | 国家电网公司 | Large steel anchor type strain clamp of aluminum-alloy-cored aluminum formed wire conductor liner tube |
| CN208386083U (en) * | 2018-04-28 | 2019-01-15 | 中复碳芯电缆科技有限公司 | A kind of strands strengthening core twisted wire strain clamp |
-
2018
- 2018-04-28 CN CN201810398947.0A patent/CN108666956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167221Y (en) * | 2008-03-11 | 2008-12-17 | 成都电力金具总厂 | Strain clamp for high-strength steel core aluminum alloy stranded wire |
| CN102623938A (en) * | 2012-04-20 | 2012-08-01 | 仝伟 | Strain clamp for gap-type ultra-heat-resistant capacity-increased aluminum-alloy conductor |
| CN203352096U (en) * | 2013-07-04 | 2013-12-18 | 国家电网公司 | Strain clamp used for aluminum alloy core aluminum stranded conductor |
| CN103457216A (en) * | 2013-08-29 | 2013-12-18 | 国家电网公司 | Large steel anchor type strain clamp of aluminum-alloy-cored aluminum formed wire conductor liner tube |
| CN208386083U (en) * | 2018-04-28 | 2019-01-15 | 中复碳芯电缆科技有限公司 | A kind of strands strengthening core twisted wire strain clamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494544A (en) * | 2019-01-09 | 2019-03-19 | 贵州电网有限责任公司 | A kind of 7 strand steel strand wires of aerial condutor dock embedding aluminium crimping structure and method |
| CN109494544B (en) * | 2019-01-09 | 2024-04-19 | 贵州电网有限责任公司 | Aluminum-embedded crimping structure and method for butt joint of 7 twisted steel strands of overhead conductor |
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