CN104201488A - Ground wire of 220-500kV circuit - Google Patents
Ground wire of 220-500kV circuit Download PDFInfo
- Publication number
- CN104201488A CN104201488A CN201410327627.8A CN201410327627A CN104201488A CN 104201488 A CN104201488 A CN 104201488A CN 201410327627 A CN201410327627 A CN 201410327627A CN 104201488 A CN104201488 A CN 104201488A
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- universal regulator
- line
- ground wire
- transverse baffle
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Abstract
The invention discloses a ground wire of a 220-500kV circuit. The ground wire of the 220-500kV circuit comprises a ground rod and a guide line clamp. The ground wire of the 220-500kV circuit is characterized in that the top part of the guide line clamp is in a shape of reversed U; one end of a reversed U-shaped opening downwards extends, and a transverse baffle plate is horizontally arranged at the bottom part of the reversed U-shaped opening; the bottom part of the transverse baffle plate is connected with the top section of a universal adjusting device; spring sheets are symmetrically arranged at the inner side of the top part of the guide line clamp; the space between the spring sheets is gradually reduced from bottom to top, and clamping grooves for fixing a guide line are formed in the top parts of the spring sheets; the top part of the ground rod is connected with the bottom section of the universal adjusting device; chain wheels which are corresponding to each other are arranged on the top section and the bottom section of the universal adjusting device; clamping teeth which can be clamped with each other are arranged in the chain wheels; bolt holes are formed in the two chain wheels; the top section and the bottom section of the universal adjusting device are fixed through bolts. With the adoption of the ground wire of the 220-500kV circuit, the guide line can be conveniently aligned and clamped, thus the stability of the hung ground wire can be improved, and as a result, the labor intensity and difficulty of a worker working at heights can be reduced, and the potential risk in the work can be decreased.
Description
Technical field
The present invention relates to a kind of 220kV-500kV line-to-ground line.
Background technology
In the process of 220kV-500kV line maintenance technological transformation, power failure, electrical verification and hanging earthing conductor have taken the time greatly, be mainly wherein because traditional spiral G type earth connection and the U-shaped earth connection of duck-beak type in use, have difficult aligning, the shortcoming such as easily come off.
Wherein, when spiral G type earth connection operates on straight line pole, wire, under cross-arm, is clamped wire thereby can utilize insulating rod to rotate pilot chuck, and operating process is more loaded down with trivial details; In the time operating on strain rod tower, wire is not under cross-arm, and operation is more complicated, and more difficult aligning is clamped wire, and operating personnel are often repeated multiple times.
Although the U-shaped earth connection of duck-beak type all can use on straight line pole and strain rod tower, it is poor that earth connection hangs up properly rear firm performance, after shaking, easily causes and come off.
In a word, the 220kV-500kV line-to-ground line of existing design is in line maintenance technological transformation is used, have a strong impact on operating efficiency, therefore carry out the development of novel 220kV-500kV line-to-ground line, for alleviating work high above the ground personnel labor intensity and difficulty, the hidden danger reducing in operation has great significance.
Summary of the invention
For the problems referred to above, the invention provides a kind of 220kV-500kV line-to-ground line, convenient aligning is clamped wire, is improved the firm performance after earth connection hangs up properly, and alleviates work high above the ground personnel labor intensity and difficulty, reduces the hidden danger in operation.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of 220kV-500kV line-to-ground line, comprise earth rod and wire clamp, it is characterized in that, described wire clamp top is down " U " shape, one end of " U " shape opening is provided with transverse baffle to downward-extension and bottom level, the bottom of described transverse baffle is connected with universal regulator top section, described wire clamp inside top is symmetrically arranged with spring leaf, spacing between spring leaf is bottom-up successively decrease and top form can fixing cord draw-in groove, described earth rod top is connected with section at the bottom of universal regulator, at the bottom of described universal regulator top section and universal regulator, in section, be provided with and on corresponding chain wheel and chain wheel, be provided with the latch that can mutually engage, on two chain wheels, be provided with bolt hole, at the bottom of universal regulator top section and universal regulator, section is bolted.
220kV-500kV line-to-ground line is made up of wire clamp and earth rod, between the two, connect by universal regulator, in the time that bayonet socket is aimed at the wire of required extension, taking advantage of a situation one pushes away, and wire can be put into bayonet socket, only earth rod one need be carried, just can make wire be stuck between two spring leafs.Spring leaf is because the effect meeting that is subject to elastic potential energy is pushed mutually, and the edge of spring leaf is designed to the mellow and full radian that has, and therefore wire can be taken advantage of a situation and be slipped in the circular draw-in groove at top, and wire is fixed.Can decline because of the increase of service life because of the elastic potential energy of spring leaf again, so, even if wire departs from from spring leaf, also can be blocked by transverse baffle, be unlikely to earth connection and come off completely.Preferably transverse baffle and wire clamp are that cast molding is as a whole, also have conductive capability, have so just ensured that earth connection still can play ground connection effect.
The invention has the beneficial effects as follows: convenient aligning is clamped wire, improved the firm performance after earth connection hangs up properly, and alleviates work high above the ground personnel labor intensity and difficulty, reduces the hidden danger in operation.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of 220kV-500kV line-to-ground of the present invention line;
Fig. 2 is the structural representation of universal regulator of the present invention;
The mark implication of accompanying drawing is as follows:
1: earth rod; 2: universal regulator; 3: transverse baffle; 4: bayonet socket; 5: spring leaf; 6: wire clamp; 7: draw-in groove; 8: latch; 9: bolt; 10: bolt hole; 11: chain wheel; 12: universal regulator top section; 13: section at the bottom of universal regulator.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solution of the present invention is described in further detail, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
As depicted in figs. 1 and 2, a kind of 220kV-500kV line-to-ground line, comprise earth rod 1 and wire clamp 6, between earth rod 1 and wire clamp 6, connect by universal regulator 2, wherein earth rod 1 can use assembly type earth rod 1 or Extensible ground bar 1, and the convenient different electric pressures according to required work select the length coordinating to meet safe distance.
Described wire clamp 6 tops are down " U " shape, one end of " U " shape opening is provided with transverse baffle 3 to downward-extension and bottom level, be in Fig. 1, wire clamp 6 left length of " U " shape are greater than right length, between the wire clamp 6 of transverse baffle 3 and " U " shape, form one for passing in and out the bayonet socket 4 of wire.Preferably transverse baffle 3 is one cast moldings and is all conductive material, preferably aluminum material with wire clamp 6.Transverse baffle 3,, also can be blocked by transverse baffle 3 even if wire departs from from spring leaf 5 as integrative-structure with wire clamp 6, is unlikely to earth connection and comes off completely.
Wire clamp 6 inside top are symmetrically arranged with two spring leafs 5, the edge of spring leaf 5 is the mellow and full radians that have, spacing between spring leaf 5 is bottom-up successively decrease and top form can fixing cord draw-in groove 7, preferably rounded the and diameter of draw-in groove 7 is greater than the spacing between the spring leaf 5 of two of 7 bottoms of draw-in groove.
Universal regulator 2 can easy adjustment earth rod 1 and wire clamp 6 between angle, as shown in Figure 2, in Fig. 2, top and the bottom are respectively vertical view corresponding to each position and front view to its concrete structure.Left and right two parts are two parts up and down of universal regulator 2, for the ease of being referred to as section 13 at the bottom of universal regulator top section 12 and universal regulator, preferably at the bottom of universal regulator top section 12 and universal regulator, section 13 is aluminium block entirety and mills out, and has ensured its mechanical strength.
At the bottom of described universal regulator top section 12 and universal regulator, in section 13, be provided with and on corresponding chain wheel 11 and chain wheel 11, be provided with the latch 8 that can mutually engage, on two chain wheels 11, be provided with bolt hole 10, at the bottom of universal regulator top section 12 and universal regulator, section 13 is fixing by bolt 9.
As shown in Figure 2, on 11 of chain wheels, milled out altogether 12 latches 8, that is to say and be divided into 12 little lattice by 360 °, every lattice have 30 °, according to the demand of oneself work, can adjust most suitable angle.At the bottom of universal regulator top section 12 and universal regulator, section 13 is respectively by after latch 8 interlocks, again bolt 9 is penetrated in the bolt hole 10 at chain wheel 11 centers, carry out fastening, make like this member at universal regulator 2 two ends to be connected firmly, meet the requirement of safety in production.
The bottom of transverse baffle 3 is connected with universal regulator top section 12, described earth rod 1 top is connected with section at the bottom of universal regulator 13, make earth connection wire clamp 6 can adjust very easily angle by add universal regulator 2 in joint, thereby can easily be articulated on wire.By the mutual rotating clutch of latch between joint 8, earth connection wire clamp 6 and wire can mutually regulate between-90 ~ 90 °.
220kV-500kV line-to-ground line is made up of wire clamp 6 and earth rod 1, between the two, connect by universal regulator 2, in the time that bayonet socket 4 is aimed at the wire of required extension, take advantage of a situation and one push away, wire can be put into bayonet socket 4, only earth rod 1 one need be carried, just can make wire be stuck between two spring leafs 5.Spring leaf 5 is because the effect meeting that is subject to elastic potential energy is pushed mutually, and the edge of spring leaf 5 is designed to the mellow and full radian that has, and therefore wire can be taken advantage of a situation and be slipped in the circular draw-in groove 7 at top, and wire is fixed.Because the elastic potential energy of spring leaf 5 can decline because of the increase of service life, i.e. the 220kV-500kV line-to-ground line of existing design in use occurred that wire skidded off spring leaf 5 draw-in grooves 7, the situation that earth connection comes off again.For this situation, this earth connection has specially been set up a transverse baffle 3, even if wire departs from from spring leaf 5 like this, also can be blocked by transverse baffle 3, is unlikely to earth connection and comes off completely.Preferably transverse baffle 3 is that cast molding is as a whole with wire clamp 6, also has conductive capability, has so just ensured that earth connection still can play ground connection effect.
The ground line configuration that this patent is designed, can meet 220kV-500kV circuit General Requirement, more easily aims at circuit and articulates, and can on straight line pole and strain rod tower, use, and can prevent that again wire clamp 6 from coming off.Hang by trying on the pilot circuit of Zhenjiang, find that this kind of structure saved the operating time greatly, improved operating efficiency, reduced potential safety hazard.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a 220kV-500kV line-to-ground line, comprise earth rod (1) and wire clamp (6), it is characterized in that, described wire clamp (6) top is down " U " shape, one end of " U " shape opening is provided with transverse baffle (3) to downward-extension and bottom level, the bottom of described transverse baffle (3) is connected with universal regulator top section (12), described wire clamp (6) inside top is symmetrically arranged with spring leaf (5), spacing between spring leaf (5) is bottom-up successively decrease and top form can fixing cord draw-in groove (7), described earth rod (1) top is connected with section at the bottom of universal regulator (13), at the bottom of described universal regulator top section (12) and universal regulator, in section (13), be provided with and on corresponding chain wheel (11) and chain wheel (11), be provided with the latch (8) that can mutually engage, on two chain wheels (11), be provided with bolt hole (10), at the bottom of universal regulator top section (12) and universal regulator, section (13) is fixing by bolt (9).
2. a kind of 220kV-500kV line-to-ground line according to claim 1, is characterized in that, the rounded and diameter of described draw-in groove (7) is greater than the spacing between draw-in groove (7) two spring leafs in bottom (5).
3. a kind of 220kV-500kV line-to-ground line according to claim 1, is characterized in that, is evenly provided with respectively 12 latches (8) on described each chain wheel (11).
4. a kind of 220kV-500kV line-to-ground line according to claim 2, is characterized in that, described transverse baffle (3) is one cast molding and is all conductive material with wire clamp (6).
5. a kind of 220kV-500kV line-to-ground line according to claim 3, is characterized in that, at the bottom of described universal regulator top section (12) and universal regulator, section (13) is all aluminium block materials.
6. a kind of 220kV-500kV line-to-ground line according to claim 5, is characterized in that, described bolt hole (10) is positioned at chain wheel (11) center, and described earth rod (1) is extension type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327627.8A CN104201488A (en) | 2014-07-11 | 2014-07-11 | Ground wire of 220-500kV circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327627.8A CN104201488A (en) | 2014-07-11 | 2014-07-11 | Ground wire of 220-500kV circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104201488A true CN104201488A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410327627.8A Pending CN104201488A (en) | 2014-07-11 | 2014-07-11 | Ground wire of 220-500kV circuit |
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| Country | Link |
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| CN (1) | CN104201488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450834A (en) * | 2016-09-14 | 2017-02-22 | 国家电网公司 | Electrical equipment vertical lead grounding wire conductor end erector |
| CN114204299A (en) * | 2021-12-15 | 2022-03-18 | 国网福建省电力有限公司武夷山市供电公司 | Based on universal joint formula earth bar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2556988Y2 (en) * | 1991-08-28 | 1997-12-08 | 日本ヒューレット・パッカード株式会社 | Terminal device for electrical connection |
| CN203135010U (en) * | 2013-01-06 | 2013-08-14 | 辽宁省电力有限公司铁岭供电公司 | Hook type ground wire having locking notch |
| CN203277685U (en) * | 2013-05-31 | 2013-11-06 | 国家电网公司 | Double-spring-hook type grounding wire clip |
| CN204011791U (en) * | 2014-07-11 | 2014-12-10 | 国家电网公司 | A kind of 220kV-500kV line-to-ground line |
-
2014
- 2014-07-11 CN CN201410327627.8A patent/CN104201488A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2556988Y2 (en) * | 1991-08-28 | 1997-12-08 | 日本ヒューレット・パッカード株式会社 | Terminal device for electrical connection |
| CN203135010U (en) * | 2013-01-06 | 2013-08-14 | 辽宁省电力有限公司铁岭供电公司 | Hook type ground wire having locking notch |
| CN203277685U (en) * | 2013-05-31 | 2013-11-06 | 国家电网公司 | Double-spring-hook type grounding wire clip |
| CN204011791U (en) * | 2014-07-11 | 2014-12-10 | 国家电网公司 | A kind of 220kV-500kV line-to-ground line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450834A (en) * | 2016-09-14 | 2017-02-22 | 国家电网公司 | Electrical equipment vertical lead grounding wire conductor end erector |
| CN106450834B (en) * | 2016-09-14 | 2018-12-04 | 国家电网公司 | The upright lead hanging earthing conductor conductor end erector of electrical equipment |
| CN114204299A (en) * | 2021-12-15 | 2022-03-18 | 国网福建省电力有限公司武夷山市供电公司 | Based on universal joint formula earth bar |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhi Inventor after: Zhou Yifeng Inventor after: Sun Qizhi Inventor after: Cheng Yong Inventor after: Xu Wei Inventor before: Wang Zhi Inventor before: Cheng Yong Inventor before: Xu Wei Inventor before: Zhou Yifeng Inventor before: Sun Qizhi |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |