CN106602490A - Strain clamp used for copper alloy stranded wire - Google Patents
Strain clamp used for copper alloy stranded wire Download PDFInfo
- Publication number
- CN106602490A CN106602490A CN201611083413.6A CN201611083413A CN106602490A CN 106602490 A CN106602490 A CN 106602490A CN 201611083413 A CN201611083413 A CN 201611083413A CN 106602490 A CN106602490 A CN 106602490A
- Authority
- CN
- China
- Prior art keywords
- wire
- clamp
- connecting ring
- alloy stranded
- copper
- 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.)
- Granted
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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
-
- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a cable installation technology field, especially relates to a strain clamp used for a copper alloy stranded wire. The strain clamp comprises a steel anchor and an insulator string connected with the steel anchor. The insulator string is connected with a wire connecting ring by threads, and the wire connecting ring is connected with a wire tube by a wire rope. The outer part of the wire tube is provided with a groove used for fixing the wire rope, and the lower part of the wire connecting ring is also connected with a current plate and a parallel groove clamp along a vertical direction. The current plate is connected with the wire connecting ring by a retaining ring, and the current plate and the parallel groove clamp are connected together by a bolt and a nut. The strain clamp used for the copper alloy stranded wire is advantageous in that the structure of the strain clamp is simple, and the costs are low; after the connection of the strain clamp, mechanical performance and electrical performance are good, quality is stable, the stress of the stranded wire is uniformly distributed, and the stranded wires are not damaged, and in addition, the anti-vibration capability of the stranded wire is improved, and service lifetime of a lead is greatly prolonged; a crimping tension test value is greater than 95% of designed collapsing force, and therefore connection between the lead and a tower is safely and reliably completed.
Description
Technical field
The present invention relates to cable mounting technique field, especially a kind of copper-alloy stranded conductor bracing cable are pressed from both sides.
Background technology
Bracing cable folder is the gold utensil being connected in wire on strain insulator string, for fixing wire, to bear wire tension,
Also start to conduct electric current as electric conductor, be the important gold utensil in transmission line of electricity.
Strain clamp in transmission line of electricity is the strain insulator string that wire or lightning conducter are fixed on non-rectilinear shaft tower
On a kind of folder, play anchorage effect, be the important gold utensil in transmission line of electricity also for fixing the bracing wire of bracing wire shaft tower.It is existing
Gold utensil can not meet operational shock it is strong, by the use requirement such as fatigue stress is big.
The content of the invention
The purpose of the present invention is：Overcome deficiency of the prior art, there is provided one kind is by fatigue stress is big, vibration resistance intensity is big
Copper-alloy stranded conductor pressed from both sides with bracing cable.
For achieving the above object, the technical solution used in the present invention is as follows：
A kind of bracing cable of copper-alloy stranded conductor is pressed from both sides, including steel anchor and the insulator chain that be connected with steel anchor, and insulator chain is by screw thread company
Connecting ring is connected to, the connecting ring is connected by cotton rope with spool, there is the groove of fixed cotton rope, the connecting ring outside the spool
Lower section be vertically also associated with drainage plate and parallel groove clamp, the drainage plate is connected by clasp with connecting ring, drainage
Connected by bolt nut between plate and parallel groove clamp.
Preferably, the connecting ring includes connecting rod and the junction block being connected with insulator chain, the junction block be connected
It is bolted between bar, the junction block includes upper strata lug plate and lower floor's lug plate, upper strata lug plate and lower floor's wiring
One end of piece is integrally formed connection by connecting pole, and the connecting rod is located between upper strata lug plate and lower floor's lug plate.
Preferably, there are barber-pole stripes outside the spool.
Preferably, drainage wire casing is provided with the drainage plate, on the drainage plate compressing tablet has been bolted.
Preferably, the parallel groove clamp includes upper wire clamp and drop wire clip, and on the upper wire clamp and drop wire clip line is had
There is bolt groove, the center of the drop wire clip, and the upper wire clamp is provided with bolt hole with the correspondence position of drop wire clip, and upper wire clamp is with
Connected by bolt nut between wire clamp.
Preferably, there is one layer of flexible layer in the wire casing.
It is using the beneficial effect of technical scheme：
Present configuration is simple, with low cost, good using mechanical performance, electric property after the bracing cable folder connection of the present invention, matter
Amount is stable, and twisted pair wire stress distribution is uniform, does not damage twisted wire, improves twisted wire vibration resistance, substantially prolongs the use of wire
Life-span；The crimping pull test value of the present invention more than the 95% of design destructive power, can be safe and reliable complete wire and shaft tower
Connection.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is the structural representation of the present invention；
In figure：1 steel anchor, 2 insulator chains, 3 spools, 4 drainage plates, wire clamp on 5,6 clasps, 7 connecting rods, 8 drop wire clips, 9 upper stratas connect
Line piece, 10 lower floor's lug plates, 11 connecting poles, 12 barber-pole stripes, 13 drainage wire casings, 14 wire casings, 15 bolts.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, a kind of bracing cable of copper-alloy stranded conductor is pressed from both sides, including steel anchor 1 and the insulator chain 2 that is connected with steel anchor 1, absolutely
Edge substring 2 has been threaded connection connecting ring, and connecting ring is connected by cotton rope with spool 3, has the recessed of fixed cotton rope outside spool 3
Groove, the lower section of connecting ring is vertically also associated with drainage plate 4 and parallel groove clamp, and drainage plate 4 is connected by clasp 6 with connecting ring
Connect, connected by bolt nut between drainage plate 4 and parallel groove clamp.
Operation principle：During use, it is fixedly connected with electric pole by steel anchor 1, connecting ring is connected by cotton rope with spool 3
Connect, cotton rope is connected spool with connecting ring by the groove on spool 3, so on the one hand can be stably fixed by spool 3, it is another
Aspect, will not increase the rugosity of spool 3, such that it is able to the impact for avoiding beam wind from causing spool 3, improve safety in utilization, line
Cable is guided to next link through spool 3 and then by drainage plate 4 and parallel groove clamp, so as to improve the convenience for using.
Connecting ring in the present invention includes the connecting rod 7 being connected with insulator chain 2 and junction block, junction block and connecting rod 7
Between be bolted, junction block includes upper strata lug plate 9 and lower floor's lug plate 10, upper strata lug plate 9 and lower floor's lug plate
10 one end is integrally formed connection by connecting pole 11, and connecting rod 7 is located between upper strata lug plate 9 and lower floor's lug plate 10, adopts
This structure is used, cable can be stably fixed on junction block, it is ensured that during use, wire clamp is stably fixed to cable.
There are barber-pole stripes 12 outside spool 3 in the present invention, the wind-engaging cross section that spool 3 can be made to go up along its length is continuous
Change；To make the overcoating moon exterior feature of strain clamp as irregularly shaped under clammy weather section can be made to change along the hand of spiral,
So that the aerodynamic effects produced by wind-force are interfered and restriction so as to which lift coefficient reduces, lift coefficient curvilinear motion
Tend to be steady, the increase of its resistance coefficient can make wire that more energy are consumed in motion process, advantageously reduce power transmission line
Wave probability and reduce transmission line galloping amplitude in road.
Drainage wire casing 13 is provided with drainage plate 4 in the present invention, on drainage plate 4 compressing tablet has been bolted, adopt this
Structure, according to actual needs can be fixed on cable 13 in the drainage trough of drainage plate 4, be easy to the follow-up connection of cable.
Parallel groove clamp in the present invention includes upper wire clamp 7 and drop wire clip 8, and on upper wire clamp 7 and drop wire clip 8 wire casing is had
14, there is a bolt 15 center of drop wire clip 8, and upper wire clamp 7 and the correspondence position of drop wire clip 8 are provided with bolt hole, upper wire clamp 7 with it is offline
Connected by bolt nut between folder 8, using this structure, the cable on different circuits can be fixedly connected, structure letter
It is single, easy to use, installation operation efficiency high.
There is one layer of flexible layer in the wire casing 14 of the present invention, using this structure, the cable in wire casing 14 can be protected,
Avoid cable from being worn in bearing, increase the service life, reduce maintenance cost.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (6)
1. a kind of copper-alloy stranded conductor bracing cable is pressed from both sides, it is characterised in that：Including steel anchor and the insulator chain being connected with steel anchor, insulator
By being threaded with connecting ring, the connecting ring is connected string by cotton rope with spool, there is the recessed of fixed cotton rope outside the spool
Groove, the lower section of the connecting ring is vertically also associated with drainage plate and parallel groove clamp, and the drainage plate passes through clasp and connects
Wire loop connects, and is connected by bolt nut between drainage plate and parallel groove clamp.
2. a kind of copper-alloy stranded conductor bracing cable according to claim 1 is pressed from both sides, it is characterised in that：The connecting ring include with absolutely
The connected connecting rod of edge substring and junction block, are bolted between the junction block and connecting rod, and the junction block includes
Upper strata lug plate and lower floor's lug plate, upper strata lug plate is integrally formed by connecting pole with one end of lower floor lug plate and is connected, institute
State connecting rod to be located between upper strata lug plate and lower floor's lug plate.
3. a kind of copper-alloy stranded conductor bracing cable according to claim 1 is pressed from both sides, it is characterised in that：There is spiral bar outside the spool
Line.
4. a kind of copper-alloy stranded conductor bracing cable according to claim 1 is pressed from both sides, it is characterised in that：It is provided with the drainage plate and draws
Streamline groove, on the drainage plate compressing tablet has been bolted.
5. a kind of copper-alloy stranded conductor bracing cable according to claim 1 is pressed from both sides, it is characterised in that：The parallel groove clamp includes upper
Wire clamp and drop wire clip, have a wire casing on the upper wire clamp and drop wire clip, there is a bolt center of the drop wire clip, it is described on
Wire clamp is provided with bolt hole with the correspondence position of drop wire clip, is connected by bolt nut between upper wire clamp and drop wire clip.
6. a kind of copper-alloy stranded conductor bracing cable according to claim 5 is pressed from both sides, it is characterised in that：Have in the wire casing one layer it is soft
Property layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083413.6A CN106602490B (en) | 2016-11-30 | 2016-11-30 | A kind of copper-alloy stranded conductor is pressed from both sides with bracing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083413.6A CN106602490B (en) | 2016-11-30 | 2016-11-30 | A kind of copper-alloy stranded conductor is pressed from both sides with bracing cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602490A true CN106602490A (en) | 2017-04-26 |
| CN106602490B CN106602490B (en) | 2019-03-19 |
Family
ID=58594186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083413.6A Active CN106602490B (en) | 2016-11-30 | 2016-11-30 | A kind of copper-alloy stranded conductor is pressed from both sides with bracing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602490B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202696096U (en) * | 2012-06-21 | 2013-01-23 | 上海永固电力器材有限公司 | Hydraulic strain clamp with improved structure |
| JP2013110796A (en) * | 2011-11-17 | 2013-06-06 | Furukawa Electric Power Systems Co Ltd | Wedge-type anchor clamp |
| CN203260970U (en) * | 2013-04-02 | 2013-10-30 | 河南科信电缆有限公司 | Anti-freezing strain clamp of carbon fiber photoelectric composite conducting wire |
| CN204835437U (en) * | 2015-08-10 | 2015-12-02 | 周志华 | Quick strain clamp |
| CN206293856U (en) * | 2016-11-30 | 2017-06-30 | 安徽电气集团股份有限公司 | A kind of copper-alloy stranded conductor bracing cable is pressed from both sides |
-
2016
- 2016-11-30 CN CN201611083413.6A patent/CN106602490B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013110796A (en) * | 2011-11-17 | 2013-06-06 | Furukawa Electric Power Systems Co Ltd | Wedge-type anchor clamp |
| CN202696096U (en) * | 2012-06-21 | 2013-01-23 | 上海永固电力器材有限公司 | Hydraulic strain clamp with improved structure |
| CN203260970U (en) * | 2013-04-02 | 2013-10-30 | 河南科信电缆有限公司 | Anti-freezing strain clamp of carbon fiber photoelectric composite conducting wire |
| CN204835437U (en) * | 2015-08-10 | 2015-12-02 | 周志华 | Quick strain clamp |
| CN206293856U (en) * | 2016-11-30 | 2017-06-30 | 安徽电气集团股份有限公司 | A kind of copper-alloy stranded conductor bracing cable is pressed from both sides |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106602490B (en) | 2019-03-19 |
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