CN202513521U - Strain clamp for carbon fiber compound core lead - Google Patents
Strain clamp for carbon fiber compound core lead Download PDFInfo
- Publication number
- CN202513521U CN202513521U CN201220170542XU CN201220170542U CN202513521U CN 202513521 U CN202513521 U CN 202513521U CN 201220170542X U CN201220170542X U CN 201220170542XU CN 201220170542 U CN201220170542 U CN 201220170542U CN 202513521 U CN202513521 U CN 202513521U
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- main body
- wire clamp
- carbon fiber
- strain clamp
- clamp
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- Expired - Fee Related
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Abstract
The utility model relates to a strain clamp for a carbon fiber compound core lead. The strain clamp comprises a wire clamp main body, a draining wire clamp, a steel anchor, a connecting bolt and a lining tube, wherein the outer side of the wire clamp main body of the strain clamp is provided with surrounding spiral strips; and the steel anchor is made of austenite steel. The wire clamp disclosed by the utility model has the advantages of small temperature influence, high impact resistance, high fatigue resistance, uniform holding force distribution, strong bearing and holding force, effective avoidance of looseness of holding force and the like; and during use, wind resistance can be reduced, the swinging rate of a power transmission line is lowered, and the swinging amplitude of the power transmission line is lowered.
Description
Technical field
The utility model relates to the electric power transportation art, especially relates to a kind of electric armour clamp, the strain clamp that is specifically related in a kind of overhead transmission line and on transformer station's shaft tower the carbon fiber lead is connected, fixes, strains.
Background technology
Strain clamp is the gold utensil that is used for fixing cord on overhead power line and the electric substation's strain insulator shaft tower in the electric power system; It is connected lead with insulator string; Insulator string is connected with iron tower again; To carry the pulling force of lead, reduce the sag of lead, crucial effect is played in the safe operation of electric power system.For a long time; Said lead all adopts steel reinforced aluminium conductor, because steel reinforced aluminium conductor has magnetic loss, long-time running line loss is bigger; The degree of speeding of circuit will be increased; Bring bigger potential safety hazard for the operation of electric power system, must increase the iron tower height or reduce distance between tower, especially under the situation of system's increase-volume, just must change iron tower for eliminating this hidden danger.So, not only can increase workload, increase the iron tower root and open, reduce the greenery patches, and cause serious economy loss.Therefore, in present electric network reconstruction process, change the steel reinforced aluminium conductor of part circuit into capacity-improving conducting wires, promptly high temperature resistant, low degree of speeding carbon fiber complex core aluminium stranded conductor.At present fixedly the strain clamp of steel core aluminium hinge line has the wire clamp main body that the aluminum pipe of connecting plate is formed by an end, the drainage wire clamp that is connected with the wire clamp main body and insert the partly interior steel anchor formation of wire clamp main body aluminum pipe.Earlier steel core aluminium hinge line is fixed with the crimping of steel anchor during installation, carried out crimping respectively in the both sides of crimping point again after putting the wire clamp main body.Anti-ecological deterioration performance is good although carbon fiber complex core has, non-corrosive, not burn into not with aluminum conductor or other parts advantages such as reaction that produce electrolysis; But because carbon fiber complex core is a fragile material; Under the inhomogeneous situation of radial force, be prone to cause damage to make its fracture, thereby reduce the bearing capacity of carbon fiber core along the line direction to fiber.This shows that existing strain clamp can't adapt to the strain insulator of carbon fiber complex core aluminium stranded conductor at all to be fixed.Become this field and thirst for solving but still unsolved technical barrier.
In addition, the strain clamp that existing overhead power transmission conducting wire uses has only the effect that connects the traction lead, receives wind-force easily and swings, and also receives clammy weather to form icing easily, and then causes transmission line galloping.
Summary of the invention
The utility model is for a kind of tension resisting clip for carbon fiber composite core conductive wire is provided; Mainly be that the strain insulator that solves the inapplicable carbon fiber complex core aluminium stranded conductor of existing strain clamp is fixed; Be prone to core is caused the problem of damage or fracture during crimping; And through changing original strain clamp profile, to reduce windage; Change strain clamp icing profile, aerodynamic profile when changing the strain clamp icing, and then reduce the transmission line galloping probability and reduce the transmission line galloping amplitude.
To achieve these goals, the technical scheme of the utility model is:
A kind of tension resisting clip for carbon fiber composite core conductive wire; Comprise wire clamp main body, drainage wire clamp, steel anchor, connecting bolt; Also comprise internal lining pipe; It is through be provided with in the online clip main body in wedge shape holder and the wedge shape holder with its in the wedge grip that matches of hole shape, and set up in the online clip main body that internal lining pipe constitutes.Wherein the wedge shape holder is established conical through-hole in being, is the protruding cylindrical cover for seat of an end outward.And wedge grip is the taper type chuck of through hole in being, on the cone of this chuck, axially is arranged with two groups of gaps, 90 ° of formations each other between two groups of gaps; It is characterized in that: have in the wire clamp main body of the strain clamp outside around barber-pole stripes, said steel anchor adopts austenitic steel to process.
The beneficial effect of the utility model: this utility model is owing to taked to be provided with in the online clip main body structure of wedge shape holder, wedge grip and internal lining pipe; Making full use of the characteristics that wedge grip can move in the wedge shape holder clamps carbon fiber complex core; And with the collinear clip main body of set internal lining pipe, the firm crimping one of aluminium stranded conductor in the crimp segment, and carbon fiber complex core there is not any damage (mainly being because the existence of internal lining pipe has been played protective effect to carbon fiber complex core).Moreover, this utility model also have compact to design reasonable, novel ingenious, temperature influence is little, shock-resistant fatigue resistance is strong, grip is evenly distributed, carries gripping force and by force, effectively avoids advantages such as grip is loose.Meanwhile, use this strain clamp, under system's increase-volume situation, needn't change iron tower, do not destroy the greenery patches, reduce economic loss, not only economy but also practicality.Have using value and vast potential for future development.
In addition, have in the strain clamp body outside around barber-pole stripes, the aerodynamic shape at this strain clamp position of spiral-shaped change, the wind-engaging cross section that strain clamp is gone up along its length constantly changes; Can also make under clammy weather that the icing profile is irregularly shaped outside the strain clamp; The cross section is changed along the hand of spiral; So that mutual interference of aerodynamic effects phase and restriction that wind-force produced, thus the condition of dancing destroyed: and its lift coefficient is reduced, and the lift coefficient curvilinear motion tends to be steady; The increase of its resistance coefficient can make lead in motion process, consume more energy, helps reducing the transmission line galloping probability and reduces the transmission line galloping amplitude.Owing to adopted such scheme, make the utility model in use, can reduce windage, and reduce the transmission line galloping probability and reduce the transmission line galloping amplitude.
Description of drawings
Fig. 1 is the overall structure sketch map of tension resisting clip for carbon fiber composite core conductive wire.
Fig. 2 be the outside have around the sketch map of wire clamp main body of strain clamp of barber-pole stripes.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
The wire clamp main body 1 that its outside of tension resisting clip for carbon fiber composite core conductive wire shown in Figure 1 is made up of the connecting plate of aluminum pipe and aluminum pipe one end; Corresponding crimp segment is established internal lining pipe 2 in the online clip main body 1; A wedge shape holder 3 also is set in the online clip main body 1, and the wedge grip 4 that matches with its interior hole shape in the wedge shape holder 3.Described wedge shape holder 3 is established conical through-hole in being, is the protruding cylindrical cover for seat of an end outward.And wedge grip 4 is the taper type chuck of through hole in being, axially is being arranged with between 8, two groups of gaps 8, two groups of gaps 90 ° each other on the cone of this chuck.Have in wire clamp main body 1 outside of strain clamp around barber-pole stripes 9, said steel anchor 5 adopts austenitic steels to process.Steel anchor 5 screws in from wire clamp main body 1 one ends and is connected fixing through screw thread with wire clamp main body 1 aluminum pipe part and wedge shape holder 3.And online clip main body 1 connecting plate place through bolt 6 fixedly drainage wire clamp 7 constitute.During installation, with the exposed part of carbon fiber complex core aluminium stranded conductor termination core, till an end that is provided with internal lining pipe 2 to the carbon fiber complex core aluminium stranded conductor from strain clamp then inserts and clamps in wire clamp to the wedge grip 4.At last carrying out crimping in wire clamp main body 1 outside of establishing internal lining pipe 2 and steel anchor 5 with hydraulic method gets final product.In use steel anchor 5, wedge shape holder 3, wedge grip 4 and carbon fiber complex core connect one; Along with expanding with heat and contract with cold of variations in temperature metal material; Wedge grip 4 can move along wedge shape holder 3 inner conical through holes under the wire tension effect; And under the effect of wedge grip 4 gaps 8, carbon fiber complex core is held tighter, thereby guarantee that enough grips play good strain insulator effect to lead.
Claims (1)
1. tension resisting clip for carbon fiber composite core conductive wire; Comprise wire clamp main body, drainage wire clamp, steel anchor, connecting bolt; Also comprise internal lining pipe; It is through be provided with in the online clip main body in wedge shape holder and the wedge shape holder with its in the wedge grip that matches of hole shape, and set up in the online clip main body that internal lining pipe constitutes; Wherein the wedge shape holder is established conical through-hole in being, is the protruding cylindrical cover for seat of an end outward; And wedge grip is the taper type chuck of through hole in being, on the cone of this chuck, axially is arranged with two groups of gaps, 90 ° of formations each other between two groups of gaps; It is characterized in that: have in the wire clamp main body of the strain clamp outside around barber-pole stripes, said steel anchor adopts austenitic steel to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220170542XU CN202513521U (en) | 2012-04-21 | 2012-04-21 | Strain clamp for carbon fiber compound core lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220170542XU CN202513521U (en) | 2012-04-21 | 2012-04-21 | Strain clamp for carbon fiber compound core lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513521U true CN202513521U (en) | 2012-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220170542XU Expired - Fee Related CN202513521U (en) | 2012-04-21 | 2012-04-21 | Strain clamp for carbon fiber compound core lead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202513521U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993428A (en) * | 2015-06-16 | 2015-10-21 | 国家电网公司 | Carbon fiber composite core lead traction wire clamp and traction method |
| CN105048383A (en) * | 2015-08-13 | 2015-11-11 | 泰兴市圣达铜业有限公司 | Composite core wire strain clamp eclectic power fitting |
| CN107887877A (en) * | 2017-12-14 | 2018-04-06 | 苏州创浩新材料科技有限公司 | A kind of carbon fiber composite core wire splicing fitting |
-
2012
- 2012-04-21 CN CN201220170542XU patent/CN202513521U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993428A (en) * | 2015-06-16 | 2015-10-21 | 国家电网公司 | Carbon fiber composite core lead traction wire clamp and traction method |
| CN105048383A (en) * | 2015-08-13 | 2015-11-11 | 泰兴市圣达铜业有限公司 | Composite core wire strain clamp eclectic power fitting |
| CN107887877A (en) * | 2017-12-14 | 2018-04-06 | 苏州创浩新材料科技有限公司 | A kind of carbon fiber composite core wire splicing fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Strain clamp for carbon fiber compound core lead Effective date of registration: 20150407 Granted publication date: 20121031 Pledgee: Huaiyang County Rural Credit Cooperative Association Pledgor: Henan Kosen Cable Co., Ltd. Registration number: 2015990000252 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180301 Granted publication date: 20121031 Pledgee: Huaiyang County Rural Credit Cooperative Association Pledgor: Henan Kosen Cable Co., Ltd. Registration number: 2015990000252 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Strain clamp for carbon fiber compound core lead Effective date of registration: 20180302 Granted publication date: 20121031 Pledgee: Huaiyang County Rural Credit Cooperative Association Pledgor: Henan Kosen Cable Co., Ltd. Registration number: 2018990000151 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210225 Granted publication date: 20121031 Pledgee: Huaiyang County Rural Credit Cooperative Association Pledgor: HENAN KOSEN CABLE Co.,Ltd. Registration number: 2018990000151 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20210421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |