CN104253403A - An apparatus and method for installing a 220 kV line arrester in a live working state - Google Patents
An apparatus and method for installing a 220 kV line arrester in a live working state Download PDFInfo
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- CN104253403A CN104253403A CN201310257541.8A CN201310257541A CN104253403A CN 104253403 A CN104253403 A CN 104253403A CN 201310257541 A CN201310257541 A CN 201310257541A CN 104253403 A CN104253403 A CN 104253403A
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- hanging ladder
- operating personnel
- assembly pulley
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- tower
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Abstract
The inventive embodiments disclose an apparatus and method for installing a 220 kV line arrester in a live working state. The apparatus comprises: a hanging ladder that is connected to one end of a top cross-arm of an electric-tower by a first insulated lifting rope; a pulley block that is fixed below the top cross-arm of the electric-tower by a second insulated lifting rope, wherein the other end of the pulley block is connected to the hanging ladder; a third insulated lifting rope that is fixed at the top cross-arm of the electric-tower, wherein the other end of the third insulated lifting rope hangs in the air. Thus, during live working, an operating person huddles up and sits in the hanging ladder, and then utilizes the pulley block to transport the hanging ladder to an operation position. Since the hanging ladder is an equipotential object and creates an equipotential space in order to protect the operating personal during the course of the transportation, the inventive apparatus and method can implement the live installation of the 220 kV line arrester in a easier and faster way, save both time and labor, address a problem of an apparatus for installing a 220 kV line arrester in a live working state that currently is not yet mature in the existing art, and have guiding significance for live working of double-circuit lines with 220 kV or more than 220 kV.
Description
Technical field
The present invention relates to ultra-high-tension power transmission line technical field of construction, particularly relate to a kind of device and method of charged installation 220kV leakage conductor.
Background technology
Along with the change of weather and environment in recent years, lightening activity is frequent, and annual thunderstorm day in the multiple district of part thunder and lightning is up to more than 60, and the transmission line approach mountain area of northern 60%-85% and all kinds of mineral ore, cause, because the accumulative line tripping number of times caused increases year by year, reaching 40%-70%.In order to reduce damage to crops caused by thunder, guaranteeing the reliability service of transmission line, needing to take high-tech lightning protection measures.Wherein, circuit Polymeric Housed MOA is a kind of overvoltage protective device of excellent performance; be widely used in protecting transmission line; especially lightening activity is frequent; soil resistivity is large and line walking is difficult, and particularly mountain area, can reduce the lightening hazard rate of transmission line greatly; therefore, be widely used on the ultra-high-tension power transmission line of domestic and international each grade.
But, leakage conductor of the prior art is mainly used for power failure operation, the less device for live line working zinc oxide surge arresters, especially for charged installation 220kV leakage conductor, does not also have the device of ripe charged installation 220KV leakage conductor at present.
Summary of the invention
For solving the problems of the technologies described above, embodiments provide a kind of device and method of charged installation 220kV leakage conductor.
For solving the problem, embodiments provide following technical scheme:
A device for charged installation 220kV leakage conductor, is applied to electric tower, comprises: the hanging ladder be connected with cross-arm one end, electric tower upper strata by the first insulated sling; Be fixed on the assembly pulley below the cross-arm of electric tower upper strata by the second insulated sling, the other end of described assembly pulley is connected with hanging ladder; Be fixed on the 3rd insulated sling of electric tower upper strata cross-arm, the described 3rd insulated sling other end is unsettled.
Preferably, described hanging ladder height 1350mm, long 400mm, wide 400mm.
Preferably, described hanging ladder is supported oxygen pipe by the annulus of 50mm*50mm and is made, the wide 400mm of centre-to-centre spacing.
Preferably, described assembly pulley is fixed on the position at 3m place below the cross-arm of described upper strata.
Preferably, described assembly pulley is 2-2 assembly pulley.
Preferably, described 3rd insulated sling is fixed on upper strata cross arm end 1/3 place.
Preferably, described electric tower comprises tangent tower and strain tower.
A method for charged installation 220kV leakage conductor, is applied to the device described in above-mentioned any one, comprises: be fixed on one end unsettled for the 3rd insulated sling with it operating personnel; Operating personnel's contracting is sitting in hanging ladder; Utilize assembly pulley that the hanging ladder that carry operating personnel is transported to job position, one end of lightning arrester is electrically connected with wire.
Preferably, the method is applied to the installation of tangent tower 220kV leakage conductor; The hanging ladder that carry operating personnel is transported to job position by the described assembly pulley that utilizes, and is electrically connected one end of lightning arrester and comprises: utilize assembly pulley that the hanging ladder that carry operating personnel is transported to lead location with wire; Operating personnel departs from hanging ladder, arrives job position, be electrically connected one end of lightning arrester with wire along wire.
Preferably, the method is applied to the installation of tangent tower 220kV leakage conductor; The hanging ladder that carry operating personnel is transported to job position by the described assembly pulley that utilizes, and is electrically connected one end of lightning arrester and comprises: utilize assembly pulley that the hanging ladder that carry operating personnel is transported to lead location with wire; Under the effect of assembly pulley, operating personnel and hanging ladder arrive job position along wire, are electrically connected one end of lightning arrester with wire.
Compared with prior art, technique scheme has the following advantages:
The technical scheme that the embodiment of the present invention provides, when carrying out live line working, operating personnel's contracting is sitting in hanging ladder, then utilize assembly pulley that hanging ladder is transported to job position, due in transport process, hanging ladder is an equipotential body, thus form an equipotential space, operating personnel is protected, realize the charged zinc oxide surge arresters of 220kV circuit, simple and fast, time saving and energy saving, solve in prior art the problem of the device also not having ripe charged installation 220KV leakage conductor at present, and to the live line working of 220kV and above double-circuit line, there is directive significance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The charged method schematic diagram of installing 220kV leakage conductor of Fig. 1 for providing in one embodiment of the invention;
The charged method schematic diagram of installing 220kV leakage conductor of Fig. 2 for providing in another embodiment of the present invention;
The charged working condition chart of installing the method for 220kV leakage conductor of Fig. 3 for providing in the embodiment of the present invention.
Embodiment
Just as described in the background section, the device of ripe charged installation 220KV leakage conductor is not also had at present.
In view of this, embodiments provide the device of charged installation 220kV leakage conductor, comprising:
By the hanging ladder that the first insulated sling is connected with cross-arm one end, electric tower upper strata;
Be fixed on the assembly pulley below the cross-arm of electric tower upper strata by the second insulated sling, the other end of described assembly pulley is connected with hanging ladder;
Be fixed on the 3rd insulated sling of electric tower upper strata cross-arm, the described 3rd insulated sling other end is unsettled.
Accordingly, the embodiment of the present invention additionally provides a kind of method of charged installation 220kV leakage conductor, comprising:
One end unsettled for 3rd insulated sling is fixed on it operating personnel;
Operating personnel's contracting is sitting in hanging ladder;
Utilize assembly pulley that the hanging ladder that carry operating personnel is transported to job position, one end of lightning arrester is electrically connected with wire.
The technical scheme that the embodiment of the present invention provides, when carrying out live line working, operating personnel's contracting is sitting in hanging ladder, then utilize assembly pulley that hanging ladder is transported to job position, due in transport process, hanging ladder is an equipotential body, thus form an equipotential space, operating personnel is protected, realize the charged zinc oxide surge arresters of 220kV circuit, simple and fast, time saving and energy saving, solve in prior art the problem of the device also not having ripe charged installation 220KV leakage conductor at present, and to the live line working of 220kV and above double-circuit line, there is directive significance.
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here to implement with multiple, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention.Therefore the present invention is not by the restriction of following public concrete enforcement.
Embodiment one:
Embodiments provide a kind of device and method of charged installation 220kV leakage conductor, be applied to electric tower.As shown in Figure 1, the charged device installing 220kV leakage conductor that the embodiment of the present invention provides comprises: the hanging ladder 102 be connected with cross-arm 100 one end, electric tower upper strata by the first insulated sling 101; Be fixed on the assembly pulley 103 below electric tower upper strata cross-arm 100 by the second insulated sling, the other end of described assembly pulley 103 is connected with hanging ladder 102; Be fixed on the 3rd insulated sling 104 of electric tower upper strata cross-arm 100, described 3rd insulated sling 104 other end is unsettled.
Preferably; the high 1350mm of hanging ladder 102 provided in the embodiment of the present invention, long 400mm, wide 400mm; in one particular embodiment of the present invention; described hanging ladder 102 is supported oxygen pipe by the annulus of 50mm*50mm and is made, the wide 400mm of centre-to-centre spacing, but the present invention does not limit this; in other embodiments of the invention; described hanging ladder 102 can also be other materials or other sizes, as long as ensure that described hanging ladder 102 can form the space of an equipotential body, protects operating personnel.
The assembly pulley 103 provided in the embodiment of the present invention is hauling block group, one end is fixed on below upper strata cross-arm 100 by the second insulating cord (not shown), the other end is fixedly connected with hanging ladder 102, thus under the draw of described assembly pulley 103, operating personnel can be transported to assigned address.In one embodiment of the invention, described assembly pulley 103 is preferably arranged on the position of 3m below described upper strata cross-arm 100, preferred, and described assembly pulley 103 is 2-2 assembly pulley.
In the embodiment of the present invention, described 3rd insulating barrier one end is fixed on the end of upper strata cross-arm 100, and the other end is unsettled, stays and treats that operating personnel is connected, thus treats operating personnel and protect, and when avoiding operating personnel accidentally to fall, causes injures and deaths.Preferably, in one embodiment of the invention, described 3rd insulated sling 104 is fixed on cross-arm 100 end 1/3, described upper strata place.
It should be noted that, the device of the charged installation 220kV leakage conductor that the embodiment of the present invention provides, is not only applicable to the conventional turriform of single loop, is also applicable to vertical arrangement multiloop tower, comprises tangent tower and strain tower etc., applied widely.
And, in the device of the charged installation 220kV leakage conductor that the embodiment of the present invention provides, described hanging ladder 102 is lightweight, easy to carry, quick for installation, time saving and energy saving, and on tower current potential and equipotential intensity little, solve in prior art the problem of the device also not having ripe charged installation 220KV leakage conductor at present, to the live line working of 220kV and above double-circuit line, there is directive significance.
Embodiment two:
Accordingly, a kind of method that the embodiment of the present invention additionally provides charged installation 220kV leakage conductor comprises: be fixed on one end unsettled for the 3rd insulated sling 104 with it operating personnel; Operating personnel's contracting is sitting in hanging ladder 102; Utilize assembly pulley 103 that the hanging ladder 102 that carry operating personnel is transported to job position, one end of lightning arrester is electrically connected with wire.Below for 220kV double 2G-SZC4 tangent tower (Fig. 1) and 2G-SJC2 strain tower (Fig. 2), the method being applied to the charged installation 220kV leakage conductor of said apparatus that the embodiment of the present invention provides is introduced, it should be noted that, the device that the embodiment of the present invention provides is not limited in and is applied to tangent tower and strain tower, and the present invention repeats no longer one by one to this.
As shown in figures 1 and 3, in one embodiment of the invention, the application of installation of the charged installation 220kV leakage conductor that the embodiment of the present invention provides is when tangent tower, the method of the charged installation 220kV leakage conductor that the embodiment of the present invention provides comprises: be fixed on upper strata cross-arm 100 one end of lightning arrester, the one end with gap is unsettled; One end unsettled for 3rd insulated sling 104 is fixed on it operating personnel; Operating personnel's contracting is sitting in hanging ladder 102, ensures that whole people is positioned at the equipotential space of described hanging ladder 102 formation; Assembly pulley 103 tail rope is tightened up in ground electrician cooperation, and the hanging ladder 102 utilizing assembly pulley 103 just to carry operating personnel enters highfield, is transported to job position, is electrically connected one end unsettled for lightning arrester with wire.In this embodiment, utilize assembly pulley 103 that the hanging ladder 102 that carry operating personnel is transported to job position, one end unsettled for lightning arrester is electrically connected with wire and comprises: utilize assembly pulley 103 that the hanging ladder 102 that carry operating personnel is transported to lead location; Operating personnel departs from hanging ladder 102, arrives job position, be electrically connected one end of lightning arrester, realize the charged installation of lightning arrester with wire along wire.After installing, operating personnel is back in hanging ladder 102 along former road, and under the effect of assembly pulley 103, gets back to upper strata cross-arm 100.
The method of the charged installation 220kV leakage conductor that the embodiment of the present invention provides is when operation, arrive electric field combinational gap S=1200+1382=2582mm > 2100mm, the safety requirements in " electrical safe working order " can be met, and operating personnel complete band point install after, when returning electric field, lightning arrester gap size can not be occupied, thus can not impact the personal safety of operating personnel.
As shown in Figures 2 and 3, in one embodiment of the invention, the application of installation of the charged installation 220kV leakage conductor that the embodiment of the present invention provides is when strain tower, and the method for the charged installation 220kV leakage conductor that the embodiment of the present invention provides comprises:
Be fixed on upper strata cross-arm 100 one end of lightning arrester, the one end with gap is unsettled; One end unsettled for 3rd insulated sling 104 is fixed on it operating personnel; Operating personnel's contracting is sitting in hanging ladder 102, ensures that whole people is positioned at the equipotential space of described hanging ladder 102 formation; Assembly pulley 103 tail rope is tightened up in ground electrician cooperation, and the hanging ladder 102 utilizing assembly pulley 103 just to carry operating personnel enters highfield, is transported to job position, is electrically connected one end unsettled for lightning arrester with wire.In this embodiment, utilize assembly pulley 103 that the hanging ladder 102 that carry operating personnel is transported to job position, one end unsettled for lightning arrester is electrically connected with wire and comprises: utilize assembly pulley 103 that the hanging ladder 102 that carry operating personnel is transported to lead location; Under the effect of assembly pulley 103, operating personnel and hanging ladder 102 arrive job position along wire, are electrically connected one end of lightning arrester with wire.After installing, operating personnel is back in hanging ladder 102 along former road, and under the effect of assembly pulley 103, gets back to upper strata cross-arm 100.
The method of the charged installation 220kV leakage conductor that the embodiment of the present invention provides is when operation, arrive electric field combinational gap S=1400+1382=2782mm > 2100mm, the safety requirements in " electrical safe working order " can be met, and operating personnel complete band point install after, when returning electric field, only occupy lightning arrester gap size, be no more than 150mm, thus can not impact the personal safety of operation distance and operating personnel.
It should be noted that, before the charged device installing 220kV leakage conductor provided utilizing the embodiment of the present invention carries out operation, special training can be carried out to operating personnel, and when operation, guardian on tower can be set up, thus ensure the personal safety of operating personnel further.
In sum, the apparatus and method of the charged installation 220kV leakage conductor that the embodiment of the present invention provides, when carrying out live line working, operating personnel's contracting is sitting in hanging ladder 102, then utilize assembly pulley 103 that hanging ladder 102 is transported to job position, due in transport process, hanging ladder 102 is an equipotential body, thus form an equipotential space, operating personnel is protected, realize the charged zinc oxide surge arresters of 220kV circuit, simple and fast, time saving and energy saving, operating efficiency is high, practical, solve in prior art the problem of the device also not having ripe charged installation 220KV leakage conductor at present, not only gain most valuable experience, and to the live line working of 220kV and above double-circuit line, there is directive significance.
In this specification, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a device for charged installation 220kV leakage conductor, is applied to electric tower, it is characterized in that, comprising:
By the hanging ladder that the first insulated sling is connected with cross-arm one end, electric tower upper strata;
Be fixed on the assembly pulley below the cross-arm of electric tower upper strata by the second insulated sling, the other end of described assembly pulley is connected with hanging ladder;
Be fixed on the 3rd insulated sling of electric tower upper strata cross-arm, the described 3rd insulated sling other end is unsettled.
2. device according to claim 1, is characterized in that, described hanging ladder height 1350mm, long 400mm, wide 400mm.
3. device according to claim 2, is characterized in that, described hanging ladder is supported oxygen pipe by the annulus of 50mm*50mm and is made, the wide 400mm of centre-to-centre spacing.
4. device according to claim 3, is characterized in that, described assembly pulley is fixed on the position at 3m place below the cross-arm of described upper strata.
5. device according to claim 4, is characterized in that, described assembly pulley is 2-2 assembly pulley.
6. device according to claim 5, is characterized in that, described 3rd insulated sling is fixed on upper strata cross arm end 1/3 place.
7. device according to claim 6, is characterized in that, described electric tower comprises tangent tower and strain tower.
8. a method for charged installation 220kV leakage conductor, is applied to the device described in any one of claim 1-6, it is characterized in that, comprising:
One end unsettled for 3rd insulated sling is fixed on it operating personnel;
Operating personnel's contracting is sitting in hanging ladder;
Utilize assembly pulley that the hanging ladder that carry operating personnel is transported to job position, one end of lightning arrester is electrically connected with wire.
9. method according to claim 8, is characterized in that, the method is applied to tangent tower 220kV leakage conductor and installs; The hanging ladder that carry operating personnel is transported to job position by the described assembly pulley that utilizes, and is electrically connected one end of lightning arrester comprises with wire:
Utilize assembly pulley that the hanging ladder that carry operating personnel is transported to lead location;
Operating personnel departs from hanging ladder, arrives job position, be electrically connected one end of lightning arrester with wire along wire.
10. method according to claim 8, is characterized in that, the method is applied to tangent tower 220kV leakage conductor and installs; The hanging ladder that carry operating personnel is transported to job position by the described assembly pulley that utilizes, and is electrically connected one end of lightning arrester comprises with wire:
Utilize assembly pulley that the hanging ladder that carry operating personnel is transported to lead location;
Under the effect of assembly pulley, operating personnel and hanging ladder arrive job position along wire, are electrically connected one end of lightning arrester with wire.
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| CN201310257541.8A CN104253403B (en) | 2013-06-25 | 2013-06-25 | A kind of device and method of charged installation 220kV leakage conductor |
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| CN201310257541.8A CN104253403B (en) | 2013-06-25 | 2013-06-25 | A kind of device and method of charged installation 220kV leakage conductor |
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| CN104253403A true CN104253403A (en) | 2014-12-31 |
| CN104253403B CN104253403B (en) | 2016-12-28 |
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| CN104253403B (en) | 2016-12-28 |
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