CN101950938B - Spacer with preformed clips and rotary clips - Google Patents
Spacer with preformed clips and rotary clips Download PDFInfo
- Publication number
- CN101950938B CN101950938B CN201010261959.2A CN201010261959A CN101950938B CN 101950938 B CN101950938 B CN 101950938B CN 201010261959 A CN201010261959 A CN 201010261959A CN 101950938 B CN101950938 B CN 101950938B
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- Prior art keywords
- preformed
- wire
- conductor
- clip
- wire clamp
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- 125000006850 spacer group Chemical group 0.000 title claims abstract description 50
- 239000004020 conductor Substances 0.000 claims abstract description 84
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 230000010355 oscillation Effects 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a spacer with preformed clips and rotary clips, which consists of preformed armor rods, rotary clips, preformed clips and a spacer body, wherein the rotary clips and the preformed clips are arranged on the two sides of the spacer body in a way of taking a perpendicular bisector of the spacer body as a symmetry axis; the rotary clips clip sub-conductors and wind the preformed armor rods onto the sub-conductors; and the preformed clips clip the sub-conductors wound with the preformed armor rods. The space with the preformed clips and the rotary clips can prevent conductors from generating non-uniform icing or effectively reduce the non-uniform icing degree of the conductors, and prevent or avoid the mechanical damage of conductor galloping to transmission equipment; and simultaneously, a preformed chuck of the clip can reduce the damage of sub-span oscillation to the conductors and prolong the service life of each of the conductors and the spacer.
Description
Technical field
The present invention relates to a kind of aerial high-voltage bundle conductor protective hardware, specifically relate to a kind of preformed, turning spur clip conductor spacer.
Background technology
When built on stilts EHV transmission, to compare with solid conductor, bundle conductor can make that the inductance of power transmission line reduces, electric capacity increases, and its wave impedance to alternating current is reduced, and improves the ability to transmit electricity of circuit, so generally adopt bundle conductor.But; bundle conductor often can produce and wave under wind-force effect; this waving can produce excessive tension force to wire; make wire due to fatigue accumulation short-term, go offline; when serious; this brandishing can be to causing mechanical injuries as iron tower construction member, insulator string one class transmission facility, and What is more, waves and can cause collapse of iron tower.Therefore, take effective mode to prevent that waving of transmission line from being problem demanding prompt solution.
Analysis shows, the generation reason of high pressure overhead power line brandishing has: the inhomogeneous icing of certain wind speed and direction and wire.Wherein the inhomogeneous icing of wire is an essential condition of transmission line galloping, therefore stops wire to produce inhomogeneous icing, or effectively reduces the degree of the inhomogeneous icing of wire, very favourable to control transmission line galloping.In addition, when wind-force is very strong, can cause subspan oscillation, subspan oscillation both can directly cause wire fatigue and destroy, more may make securing member become flexible and indirectly make wire wearing and tearing.Therefore develop to have and prevent that the protection gold utensil of conductor galloping and two kinds of anti-dance performances of subspan oscillation from being the task of top priority.
The protection gold utensil using on China's aerial high-voltage power transmission line at present has following two kinds of forms: (1) wire clamp is fixed wire clamps spacer rod type anti-dance device, fixed wire clamps spacer rod type anti-dance device is suppressing there is certain effect aspect transmission line aeolian vibration and subspan oscillation, but this anti-dance device is unfavorable for the even icing of wire.(2) wire clamp is rotary type wire clamp spacer rod type anti-dance device, rotary type wire clamp spacer rod type anti-dance device can reduce the degree of the inhomogeneous icing of wire, but the while has also been reduced the whole torsional rigidity of bundle conductor, the upset of the wire of may causing a split under certain wind-force excitation.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of wire that can effectively stop to produce inhomogeneous icing, or effectively reduce the inhomogeneous icing degree of wire, thus prevent transmission line galloping, reduce preformed, the turning spur clip conductor spacer of subspan oscillation to wire infringement.
Above-mentioned purpose of the present invention realizes by the following technical solutions:
A kind of preformed, turning spur clip conductor spacer provided by the invention, comprise: preformed armor rods, rotary type wire clamp, top-twisted wire-clip and conductor spacer body, its improvements are: described rotary type wire clamp and top-twisted wire-clip be take the perpendicular bisector of conductor spacer body and be arranged on the both sides of conductor spacer body as symmetry axis, described rotary type wire clamp clamps sub-conductor, described preformed armor rods is wrapped on sub-conductor, and described top-twisted wire-clip clamps the sub-conductor that is wound with preformed armor rods.
Preferably preformed, turning spur clip conductor spacer of the present invention, described rotary type wire clamp and top-twisted wire-clip is symmetrical arranged or interval arranges.
Provided by the invention again one preferably in preformed, turning spur clip conductor spacer, described top-twisted wire-clip comprises for clamping the preformed chuck of wire clamp and the connector of sub-conductor, described connector is located at the lower end of the preformed chuck of wire clamp, the both sides of the preformed chuck of described wire clamp are provided with annular hanger, the lower end of described connector is arranged with for connecting the earhole of conductor spacer body, the preformed chuck of described wire clamp clamps after the sub-conductor that is wound with pre-wire, the two ends of described pre-wire is fixed on the annular hanger of the preformed chuck of wire clamp both sides.
Provided by the invention again one preferably in preformed, turning spur clip conductor spacer, the preformed chuck of described wire clamp is half-cylindrical, and arc place is installed with a rubber lining tile within it.
Provided by the invention again one preferably in preformed, turning spur clip conductor spacer, described rotary type wire clamp and top-twisted wire-clip are all fixedly connected on conductor spacer body by set bolt.
With prior art ratio, technical scheme provided by the invention, has following beneficial effect:
In preformed, turning spur clip conductor spacer provided by the invention, be provided with rotary type wire clamp, can be around rotating perpendicular to conductor length direction when this wire clamp is subject to wind excitation, such rotation has suppressed to form freezing or accumulated snow of constant shapes on wire, effectively reduce the degree of the inhomogeneous icing of wire, thereby reduce the amplitude of waving of wire, the track of conductor galloping is changed into non-circular; The mode of preformed armor rods fixing cord together with the preformed chuck of wire clamp, make wind on the wire energy that shakes pass to greatest extent the preformed chuck of wire clamp by preformed armor rods, in this process, by rubber lining tile, absorb oscillation energy, therefore preformed armor rods can effectively suppress subspan oscillation, reduce the damage of strong wind-induced subspan oscillation to wire, in addition, the preformed chuck of wire clamp is taked half-cylindrical wire clamp head, has alleviated the total quality of conductor spacer.Therefore technical scheme provided by the invention is the anti-dancing device of a kind of composite type, simple in structure, easy for installation, safeguards easily, cheap, lightweight, applicable to the bundle conductor of arbitrary form.
Accompanying drawing explanation
Fig. 1 is preformed, turning spur clip conductor spacer assembly drawing;
Fig. 2 is top-twisted wire-clip front view;
Fig. 3 is top-twisted wire-clip left view;
Fig. 4 is top-twisted wire-clip vertical view;
Fig. 5 is A-A sectional view in top-twisted wire-clip front view;
Fig. 6 is rubber lining tile front view;
Fig. 7 is rubber lining tile left view;
Fig. 8 is rotary type wire clamp front view;
Fig. 9 is rotary type wire clamp left view;
Figure 10 is the structural representation of conductor spacer body;
Figure 11 is preformed armor rods schematic diagram;
Wherein, 1-rotary type wire clamp, 2-top-twisted wire-clip, 3-conductor spacer body, 4-sub-conductor, 5-preformed armor rods, 6-rubber lining tile, the preformed chuck of 7-wire clamp, 8-annular hanger, 9-connector, 10-earhole, 11-set bolt, 12-projection, 13-wire clamp supporter, 14-swings wire clamp body.
Specific embodiment
Below in conjunction with accompanying drawing, preformed, turning spur clip conductor spacer of the present invention is further described in detail.
Embodiment 1
Fig. 1 is preformed, turning spur clip conductor spacer assembly drawing, it comprises rotary type wire clamp 1, top-twisted wire-clip 2, conductor spacer body 3 and preformed armor rods 5, as shown in figure 10, in this example, conductor spacer body 3 is square structure, rotary type wire clamp 1 and top-twisted wire-clip 2 are arranged on symmetric form on four jiaos of conductor spacer body 3, rotary type wire clamp 1 directly clamps sub-conductor 4, on the sub-conductor that first needs to clamp at top-twisted wire-clip 2, be wound around preformed armor rods 5 as shown in figure 11, then with top-twisted wire-clip 2, clamp the sub-conductor 4 that is wound with preformed armor rods 5.
Fig. 2-5th, top-twisted wire-clip 2 structure enlarged drawings, top-twisted wire-clip 2 is main by forming for clamping the preformed chuck 7 of wire clamp and connector 9 two parts of sub-conductor, the preformed chuck 7 of wire clamp is that this is cylindrical, connector 9 is rigid member, it is fixed in the lower end of the preformed chuck 7 of wire clamp, on the preformed chuck 7 of wire clamp, be arranged with two annular hangers 8, two annular hangers 8 are positioned at the both sides of the preformed chuck of wire clamp, the lower end of connector is provided with two and is symmetrical arranged, and for connecting the earhole 10 of conductor spacer body 3, with set bolt 11, through the installing hole on earhole 10 and conductor spacer body, top-twisted wire-clip 2 and conductor spacer body 3 are hinged.Transmission of electricity sub-conductor 4 is fixed in the preformed chuck 7 of wire clamp by preformed armor rods 5: the preformed chuck 7 of wire clamp clamps after the sub-conductor 4 that is wound with pre-wire 5, the two ends of pre-wire 5 is tied up on the annular hanger 8 of the preformed chuck of wire clamp both sides.
In order to reduce the infringement of 2 pairs of sub-conductors 4 of top-twisted wire-clip, be preferably in an affixed rubber lining tile 6 on the inner arc of the preformed chuck 7 of wire clamp, as shown in Figure 6, Figure 7, the preformed chuck 7 of the shape of rubber lining tile 6 and wire clamp matches, the lower end of rubber lining tile 6 is provided with two placed arrow type projections 12, by this projection, rubber lining tile is fixed in to the inner side of the preformed chuck 7 of wire clamp.Install after rubber lining tile, sub-conductor 4 directly contacts with rubber lining tile 6, and the effect of rubber lining tile 6 is the energy that absorb sub-conductor 4 subspan oscillations, reduces the infringement of subspan oscillation to sub-conductor.
As shown in Figure 8, Figure 9, rotary type wire clamp 1 is comprised of wire clamp supporter 13 and swing wire clamp body 14, swings wire clamp body 14 for clamping sub-conductor 4.Notification number is in the utility model patent of CN201222637Y, to disclose a kind of revolution wire clamp of overhead transmission line spacing bar, and rotary type wire clamp 1 structure described in this example can adopt the disclosed revolution wire clamp of this utility model or prior art known in those skilled in the art.
In use, according to said structure, assemble after conductor spacer, because the icing program (icing weight etc.) of transmission line windward side sub-conductor is more important than leeward side, so by the residing side of two rotary type wire clamps 1 arranging on conductor spacer body 1 towards windward side, by two residing sides of top-twisted wire-clip 2 in towards leeward side.First on the sub-conductor 4 of preformed chuck 2 clampings of needs, be wound around preformed armor rods 5, finally the swing wire clamp body 14 of two rotary type wire clamps 1 is directly clamped to sub-conductor 4, the preformed chuck 7 of the wire clamp of two top-twisted wire-clips 2 is clamped to the sub-conductor 4 that is wound with preformed armor rods 5.
Adopt the conductor spacer of said structure can effectively stop wire to produce inhomogeneous icing, or effectively reduce the inhomogeneous icing degree of wire, thereby prevent transmission line galloping, reduce subspan oscillation wire is damaged.
Conductor spacer structure and principle in this example are same as embodiment 1 substantially, have only different: rotary type wire clamp 1 and top-twisted wire-clip 2 intervals are arranged on four jiaos of square conductor spacer body 3, and conductor spacer body 3 also can adopt regular hexagon structure.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. preformed, a turning spur clip conductor spacer, it comprises preformed armor rods (5), rotary type wire clamp (1), top-twisted wire-clip (2) and conductor spacer body (3), it is characterized in that: described rotary type wire clamp (1) and top-twisted wire-clip (2) be take the perpendicular bisector of conductor spacer body (3) and be arranged on the both sides of conductor spacer body (3) as symmetry axis, described rotary type wire clamp (1) clamps sub-conductor (4), described preformed armor rods (5) is wrapped in to sub-conductor (4) upper, described top-twisted wire-clip (2) clamps the sub-conductor that is wound with preformed armor rods (5);
Described top-twisted wire-clip (2) comprises for clamping the preformed chuck of wire clamp (7) and the connector (9) of sub-conductor (4), described connector is located at the lower end of the preformed chuck of wire clamp, the both sides of the preformed chuck of described wire clamp (7) are provided with annular hanger (8), the lower end of described connector (9) is arranged with the earhole (10) for connecting conductor spacer body (3), the preformed chuck of described wire clamp (7) clamps after the sub-conductor that is wound with pre-wire (5), the two ends of described pre-wire is fixed on the annular hanger (8) of the preformed chuck of wire clamp both sides.
2. preformed, turning spur clip conductor spacer as claimed in claim 1, is characterized in that: the preformed chuck of described wire clamp (7) is for half-cylindrical, and arc place is installed with a rubber lining tile (6) within it.
3. preformed, turning spur clip conductor spacer as claimed in claim 1, is characterized in that: described rotary type wire clamp (1) and top-twisted wire-clip (2) are all fixedly connected on conductor spacer body (3) by set bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261959.2A CN101950938B (en) | 2010-08-24 | 2010-08-24 | Spacer with preformed clips and rotary clips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261959.2A CN101950938B (en) | 2010-08-24 | 2010-08-24 | Spacer with preformed clips and rotary clips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101950938A CN101950938A (en) | 2011-01-19 |
| CN101950938B true CN101950938B (en) | 2014-03-12 |
Family
ID=43454334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010261959.2A Active CN101950938B (en) | 2010-08-24 | 2010-08-24 | Spacer with preformed clips and rotary clips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101950938B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167222Y (en) * | 2008-03-11 | 2008-12-17 | 成都电力金具总厂 | Pre-twisting type conductor spacer |
| CN101425667A (en) * | 2008-08-08 | 2009-05-06 | 上海电力线路器材有限公司 | Cable clip rotary type anti-bouncing spacer |
| CN201323425Y (en) * | 2008-12-23 | 2009-10-07 | 中国电力科学研究院 | Six-division wire clamp rotary type damping spacer rod |
| CN201349117Y (en) * | 2008-12-30 | 2009-11-18 | 北京帕尔普线路器材有限公司 | Spacing rod |
-
2010
- 2010-08-24 CN CN201010261959.2A patent/CN101950938B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167222Y (en) * | 2008-03-11 | 2008-12-17 | 成都电力金具总厂 | Pre-twisting type conductor spacer |
| CN101425667A (en) * | 2008-08-08 | 2009-05-06 | 上海电力线路器材有限公司 | Cable clip rotary type anti-bouncing spacer |
| CN201323425Y (en) * | 2008-12-23 | 2009-10-07 | 中国电力科学研究院 | Six-division wire clamp rotary type damping spacer rod |
| CN201349117Y (en) * | 2008-12-30 | 2009-11-18 | 北京帕尔普线路器材有限公司 | Spacing rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950938A (en) | 2011-01-19 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130715 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |