CN102916371A - Overhead ground wire repair method and device - Google Patents
Overhead ground wire repair method and device Download PDFInfo
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- CN102916371A CN102916371A CN2012104542081A CN201210454208A CN102916371A CN 102916371 A CN102916371 A CN 102916371A CN 2012104542081 A CN2012104542081 A CN 2012104542081A CN 201210454208 A CN201210454208 A CN 201210454208A CN 102916371 A CN102916371 A CN 102916371A
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- ground wire
- overhead ground
- slide rail
- gear
- angle steel
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Abstract
The invention discloses an overhead ground wire repair method and device. Two ends of an overhead ground wire are respectively installed on suspended steel angles of adjacent towers, and an electric transmission line is connected onto a cross arm of the adjacent towers. The device comprises a sliding rail inclined downwards and a traction device installed on the suspended steel angles, wherein the sliding rail is arranged under the overhead ground wire and installed on an upper plane of the cross arm. A first end of the overhead ground wire is separated from the suspended steel angles, one end of the traction device is fixedly connected with the first end of the overhead ground wire, and the first end of the overhead ground wire can slide along the sliding rail through the traction device so as to enable the damaged portion of the overhead ground wire to move to a preset range of the electric transmission line. The overhead ground wire can be moved by the sliding rail installed on the cross arm of the towers and a pulley installed on the overhead ground wire, so that the puzzle that wires cannot be dropped for repair in special terrain caused by a set ground anchor, and the overhead ground wire is broken or damaged can be solved.
Description
Technical field
The present invention relates to the line maintenance technical field, particularly a kind of overhead ground wire restorative procedure and device.
Background technology
Be struck by lightning easily and cause and send electricity to interrupt at thunderstorm season in the field that high-tension transmission line spanning is wide.Therefore, attack for the protection overhead transmission line exempts from lightning, improve the circuit Operation safety, the main overhead ground wire that adopts is protected it at present.In conjunction with illustrated in figures 1 and 2, prior art is equipped with above cross arm of tower 200 and hangs angle steel 100, and an end of overhead ground wire 001 is installed in and hangs on the angle steel 100.Be hung with insulator string 300 below cross arm of tower 200, an end of protected transmission line 002 then is installed in the below of insulator string 300.As seen; overhead ground wire 001 is erected at protected transmission line 002 top, and when transmission line 002 top occurred thundercloud to ground discharge, the lightning passage at first hit overhead ground wire 001 easily; make lightning current enter the earth, normally send electricity with protection transmission line 002.
But overhead ground wire 001 meets with the external condition impacts such as thunderbolt owing to original manufacturing defect or in running, disconnected strand or degree of impairment often can occur.At present overhead ground wire 001 is keeped in repair more employing line of fall method, it is in the position of distance tower certain distance earth anchor to be set, and so that backguy control to be set, disconnected strand of generation or the overhead ground wire of damage is placed in place, then it is carried out repairing work.Need at cross line direction and fair line road direction earth anchor, then backguy control be set on the position to distance tower certain distance during this built on stilts line of fall method operation.
But, fixing because earth anchor need to be digged pit, thus should be selected in soil property solid, should not by the place of river, rain drop erosion, also to exhaust and may avoid the traffic main artery.Therefore, high mountain is above the average age for marriage when running into, when power circuit or condition with a varied topography (being not suitable for arranging earth anchor and backguy) being arranged on the cross line direction, and the method just can not adopt.In addition, the method difficulty of construction is large, expense is higher.
Summary of the invention
The purpose of this invention is to provide a kind of overhead ground wire restorative procedure and device, a difficult problem of can't the line of fall repairing overhead ground wire in order to solve extreme terrain in the prior art.Technical scheme is as follows:
A kind of overhead ground wire prosthetic device, the two ends of described overhead ground wire are installed in respectively on the suspension angle steel of adjacent shaft tower, be connected with transmission line on the described adjacent cross arm of tower, described device comprises: downward-sloping slide rail and the draw-gear that is installed on the described suspension angle steel, wherein, described slide rail is positioned at described overhead ground wire below, and described slide rail is installed on the described cross-arm on the plane, after the first end of described overhead ground wire separates from described suspension angle steel, one end of described draw-gear is fixedly connected with described first end, by described draw-gear, described first end can slide along described slide rail, so that the injury region of described overhead ground wire moves in the preset range of described transmission line.
Preferably, described overhead ground wire is the optical cable ground wire.
Preferably, the first end of described overhead ground wire is connected with the pulley that is complementary with described slide rail.
Preferably, described slide rail is the aluminium-alloy pipe slideway.
Preferably, described aluminium-alloy pipe slideway is comprised of a plurality of pluggable aluminium-alloy pipe slideways.
Preferably, described draw-gear is rigging.
Preferably, described rigging comprises towards sky coaster and pull rope.
A kind of overhead ground wire restorative procedure, the two ends of described overhead ground wire are installed in respectively on the suspension angle steel of adjacent shaft tower, be connected with transmission line on the described adjacent cross arm of tower, on the suspension angle steel of described shaft tower draw-gear is installed, below the described overhead ground wire and on the described cross-arm downward-sloping slide rail is being installed also on the plane, described method comprises:
The first end of described overhead ground wire is separated from described suspension angle steel;
One end of described draw-gear is fixedly connected with described first end;
By described draw-gear described first end is slided along described slide rail, so that the injury region of described overhead ground wire moves in the preset range of described transmission line.
Preferably, described method also comprises: will repair good overhead ground wire and be promoted to described suspension angle steel and install and reset.
Preferably, the first end of described overhead ground wire is connected with the pulley that is complementary with described slide rail.
Compared with prior art, the advantage that has of the present invention:
Among the present invention; below the overhead ground wire and on the cross-arm on the plane; downward-sloping slide rail is installed; the first end of overhead ground wire is equipped with the pulley that is complementary with described slide rail; the first end of described overhead ground wire drops on the described slide rail by being installed in the draw-gear that hangs on the angle steel; overhead ground wire moves at described slide rail with described pulley, until the injury region of overhead ground wire moves in the preset range of transmission line of overhead ground wire protection, carries out repairing work.
The present invention moves overhead ground wire by the pulley that is installed in the slide rail on the cross arm of tower and be installed on the overhead ground wire, saved the step that earth anchor is set first in the prior art, therefore, also just solved the series of problems that brings because earth anchor is set, can't the line of fall repair the difficult problem of disconnected strand of overhead grounding wire or damage such as extreme terrain, difficulty of construction is large, expense is high.Therefore, the present invention can be so that the reparation of overhead ground wire be convenient, quick, and operating expenses is also lower.
Description of drawings
For the technical scheme of the clearer explanation embodiment of the invention, the accompanying drawing of required use was done simple the introduction during the below will describe embodiment.Apparently, the accompanying drawing in the following describes only is some examples that the present invention puts down in writing, and for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the side view of overhead ground wire and transmission line in the shaft tower;
Fig. 2 is the front elevation of overhead ground wire and transmission line in the shaft tower;
The structural representation of a kind of overhead ground wire prosthetic device that Fig. 3 provides for the embodiment of the invention;
A kind of overhead ground wire prosthetic device middle pulley that Fig. 4 provides for the embodiment of the invention and the structural representation of slide rail;
Pull rope is by the schematic diagram of fixed pulley control overhead ground wire lifting in a kind of overhead ground wire prosthetic device that Fig. 5 provides for the embodiment of the invention.
The flow chart of a kind of overhead ground wire restorative procedure embodiment that Fig. 6 provides for the embodiment of the invention;
The flow chart of a kind of overhead ground wire restorative procedure embodiment that Fig. 7 provides for the embodiment of the invention.
Embodiment
In order to make those skilled in the art better understand technical scheme among the present invention, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is carried out clear, complete description.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite.All should belong to protection scope of the present invention.
As shown in Figure 3, the embodiment of the invention provides a kind of overhead ground wire prosthetic device, the two ends of overhead ground wire 001 are installed in respectively on the suspension angle steel 100 of adjacent shaft tower, be connected with transmission line 002 on the adjacent cross arm of tower 200, described device can comprise: downward-sloping slide rail 210 and the draw-gear 120 that is installed on the described suspension angle steel 100, wherein, described slide rail 210 is positioned at described overhead ground wire 001 below, and described slide rail 210 is installed on the described cross-arm 200 on the plane, after the first end of described overhead ground wire 001 separates from described suspension angle steel 100, one end of described draw-gear 120 is fixedly connected with described first end, by described draw-gear 120, described first end can slide along described slide rail 210, so that the injury region of described overhead ground wire 001 moves in the preset range of described transmission line 002.
Preferably, described overhead ground wire 001 can be the optical cable ground wire, and certainly, described overhead ground wire 001 also can be the overhead ground wire of other materials, and the present invention does not do restriction at this.
Preferably, described slide rail 210 is comprised of a plurality of pluggable aluminium-alloy pipe slideways, so that repair outfit simple process not only, and is convenient to the repairing personnel and carries.
As shown in Figure 3, a plurality of pluggable aluminium-alloy pipe slideways are inserted the shape that formula becomes slide rail 210, described slide rail 210 short sides are fixed on and are positioned at described overhead ground wire 001 below, and on the upper plane of described cross-arm 200, and a long side vertically downward and be fixed on the insulator string 300.
When the first end of described overhead ground wire 001 drops on the described slide rail 210 by described draw-gear 120, the pulley that is the first end of described overhead ground wire 001 contacts with described slide rail 210, the first end of overhead ground wire 001 along described slide rail 210 gradually to moving down, until the injury region of described overhead ground wire 001 moves in the preset range of described transmission line 002.
Preferably, described slide rail 210 length was vertically downward grown the position of described transmission line 002, when ensureing that described overhead ground wire 001 moves down along described slide rail 210, the injury region of described overhead ground wire 001 moves in the preset range of described transmission line 002.
Wherein, can be for being fit to the position of repairing work in the preset range of described transmission line 002.It will be appreciated by persons skilled in the art that because transmission line 002 is thicker, and radical is more, the weight that therefore can bear human body fully after outage.In actual applications, run to the relevant position at transmission line 002 more than the maintenance personal and carry out maintenance operation.Be understandable that the injury region of overhead ground wire 001 might not contact with transmission line 002, as long as in the scope that the maintenance personal can touch or can touch by instrument (such as peg).
Preferably, described draw-gear 120 can be rigging, and described rigging can comprise pull rope 121 and towards sky coaster 122.
For overhead ground wire 001 is directly slided at slide rail 210, as shown in Figure 4, the present invention also provides the pulley 220 that matches with slide rail 210.Described pulley 220 is complementary with described slide rail 210, and described overhead ground wire 001 moves at described slide rail 210 with described pulley 220 under the traction of described pull rope 121.Like this, avoided described overhead ground wire 001 to contact with the direct of described slide rail 210, thereby also just can not occur producing friction because described overhead ground wire 001 relatively moves with described slide rail 210, to the problem of described overhead ground wire 001 injury.In actual applications, can be at first wrap up diaphragm at the first end of overhead ground wire 001, prevent the centre bore friction of first end and the pulley 220 of overhead ground wire 001.Certainly, because the first end of overhead ground wire 001 is compared overhead ground wire 001 direct friction on slide rail 220 seldom with the friction of centre bore, therefore also can not use diaphragm.
Wherein, describedly can be certain pulley towards sky coaster 122.
As shown in Figure 5, fixed pulley 123 is fixed on by installing hole 124 and hangs on the angle steel, one end of described pull rope 121 passes described fixed pulley 123, be fixedly connected with the first end of described overhead ground wire 001, the other end of described pull rope 121 can wait device to control the lifting of described overhead ground wire 001 by the strand mill.
Preferably, describedly can also comprise two or plural fixed pulley towards sky coaster 122, decide according to actual conditions that the present invention does not do restriction at this.
What need explanation a bit is, described draw-gear 120 is not limited only to described rigging, can also be other devices that can be used for controlling described overhead ground wire 001 lifting, and the present invention does not do restriction at this.
Preferably, an end of described pull rope 121 and 001 binding of described overhead ground wire is the same end of described overhead ground wire 001 with being connected the end that pulley is connected with described overhead ground wire 001.
Embodiment is corresponding with said apparatus, and the present invention also provides a kind of overhead ground wire restorative procedure.
As shown in Figure 3, in a kind of overhead ground wire restorative procedure that the embodiment of the invention provides, the two ends of described overhead ground wire 001 are installed in respectively on the suspension angle steel 100 of adjacent shaft tower, be connected with transmission line 002 on the described adjacent cross arm of tower 200, on the suspension angle steel 100 of described shaft tower draw-gear 120 is installed, on the plane downward-sloping slide rail 210 is being installed also below the described overhead ground wire 001 and on the described cross-arm 200, as shown in Figure 6, described method can comprise:
S100, the first end that makes described overhead ground wire 001 separate from described suspension angle steel 100;
S200, an end of described draw-gear 120 is fixedly connected with described first end;
S300, by described draw-gear 120 described first end is slided along described slide rail 210, so that the injury region of described overhead ground wire 001 moves in the preset range of described transmission line 002.
Wherein, described transmission line 002 is connected by insulator string 300 with described cross-arm 200.
Preferably, described slide rail 210 is formed by a plurality of pluggable aluminium-alloy pipe slideways formula of inserting, and described slide rail 210 short sides are fixed on described cross-arm 200 tiltedly vertical downward positions, and a long side vertically downward and be fixed on the insulator string 300.
When the first end of described overhead ground wire 001 drops on the described slide rail 210 by described draw-gear 120, the pulley that is the first end of described overhead ground wire 001 contacts with described slide rail 210, the first end of overhead ground wire 001 along described slide rail 210 gradually to moving down, until the injury region of described overhead ground wire 001 moves in the preset range of described transmission line 002.
Wherein, in the preset range of described transmission line 002 be the position that is fit to repairing work.
Wherein, described draw-gear 120 can be rigging, can comprise pull rope 121 and towards sky coaster 122.
Preferably, the first end of described overhead ground wire 001 is connected with the pulley that is complementary with described slide rail 210.
As shown in Figure 4, described overhead ground wire 001 moves at described slide rail 210 with described pulley 220 under the traction of pull rope 121.Like this, avoided described overhead ground wire 001 to contact with the direct of described slide rail 210, thereby also just can not occur producing friction because described overhead ground wire 001 relatively moves with described slide rail 210, to the problem of described overhead ground wire 001 injury.In actual applications, can be at first wrap up diaphragm at the first end of overhead ground wire 001, prevent the centre bore friction of first end and the pulley 220 of overhead ground wire 001.Certainly, because the first end of overhead ground wire 001 is compared overhead ground wire 001 direct friction on slide rail 220 seldom with the friction of centre bore, therefore also can not use diaphragm.
As shown in Figure 7, in the another kind of overhead ground wire restorative procedure that the embodiment of the invention provides, can also comprise:
S400, will repair good overhead ground wire 001 and be promoted to described suspension angle steel 100 and install and reset.
Wherein, the maintenance personal carries out repairing work by driving driving to the overhead ground wire 001 that damages.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. overhead ground wire prosthetic device, the two ends of described overhead ground wire are installed in respectively on the suspension angle steel of adjacent shaft tower, be connected with transmission line on the described adjacent cross arm of tower, it is characterized in that, described device comprises: downward-sloping slide rail and the draw-gear that is installed on the described suspension angle steel, wherein, described slide rail is positioned at described overhead ground wire below, and described slide rail is installed on the described cross-arm on the plane, after the first end of described overhead ground wire separates from described suspension angle steel, one end of described draw-gear is fixedly connected with described first end, by described draw-gear, described first end can slide along described slide rail, so that the injury region of described overhead ground wire moves in the preset range of described transmission line.
2. device according to claim 1 is characterized in that, described overhead ground wire is the optical cable ground wire.
3. device according to claim 1 is characterized in that, the first end of described overhead ground wire is connected with the pulley that is complementary with described slide rail.
4. the described device of any one in 3 according to claim 1 is characterized in that described slide rail is the aluminium-alloy pipe slideway.
5. device according to claim 4 is characterized in that, described aluminium-alloy pipe slideway is comprised of a plurality of pluggable aluminium-alloy pipe slideways.
6. device according to claim 1 is characterized in that, described draw-gear is rigging.
7. device according to claim 6 is characterized in that, described rigging comprises towards sky coaster and pull rope.
8. overhead ground wire restorative procedure, the two ends of described overhead ground wire are installed in respectively on the suspension angle steel of adjacent shaft tower, be connected with transmission line on the described adjacent cross arm of tower, it is characterized in that, on the suspension angle steel of described shaft tower draw-gear is installed, below the described overhead ground wire and on the described cross-arm downward-sloping slide rail is being installed also on the plane, described method comprises:
The first end of described overhead ground wire is separated from described suspension angle steel;
One end of described draw-gear is fixedly connected with described first end;
By described draw-gear described first end is slided along described slide rail, so that the injury region of described overhead ground wire moves in the preset range of described transmission line.
9. method according to claim 8 is characterized in that, described method also comprises: will repair good overhead ground wire and be promoted to described suspension angle steel and install and reset.
10. according to claim 8 or 9 method, it is characterized in that the first end of described overhead ground wire is connected with the pulley that is complementary with described slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104542081A CN102916371A (en) | 2012-11-13 | 2012-11-13 | Overhead ground wire repair method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104542081A CN102916371A (en) | 2012-11-13 | 2012-11-13 | Overhead ground wire repair method and device |
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| CN102916371A true CN102916371A (en) | 2013-02-06 |
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| CN2012104542081A Pending CN102916371A (en) | 2012-11-13 | 2012-11-13 | Overhead ground wire repair method and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019796A (en) * | 2014-06-16 | 2014-09-03 | 国家电网公司 | Tilt indicating device for straight insulator of electric transmission line tower |
| CN105932601A (en) * | 2016-07-05 | 2016-09-07 | 国网山东省电力公司德州供电公司 | Method for repairing break strand of overhead ground wire |
| CN107611783A (en) * | 2017-10-23 | 2018-01-19 | 国网浙江省电力公司经济技术研究院 | The back-to-back arrangement of brace type bus |
| CN109030181A (en) * | 2018-08-28 | 2018-12-18 | 国网河南省电力公司西峡县供电公司 | A kind of electric power line pole tower intensity detecting device |
| CN111969485A (en) * | 2020-08-18 | 2020-11-20 | 国网福建省电力有限公司南平供电公司 | Application mode of automatic processing device for heating defects of power overhead high-voltage line connector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048286A (en) * | 1989-06-22 | 1991-01-02 | 西伯利亚科学研究院能源研究所 | On charged overhead transmission line, change the method and apparatus of defectiveness porcelain insulator in the suspension insulator string |
-
2012
- 2012-11-13 CN CN2012104542081A patent/CN102916371A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048286A (en) * | 1989-06-22 | 1991-01-02 | 西伯利亚科学研究院能源研究所 | On charged overhead transmission line, change the method and apparatus of defectiveness porcelain insulator in the suspension insulator string |
Non-Patent Citations (1)
| Title |
|---|
| 吴建军 等: "500kV线路架空避雷线雷击损伤后抢修维护方法", 《中国电力》, vol. 42, no. 5, 31 May 2009 (2009-05-31), pages 64 - 67 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019796A (en) * | 2014-06-16 | 2014-09-03 | 国家电网公司 | Tilt indicating device for straight insulator of electric transmission line tower |
| CN105932601A (en) * | 2016-07-05 | 2016-09-07 | 国网山东省电力公司德州供电公司 | Method for repairing break strand of overhead ground wire |
| CN107611783A (en) * | 2017-10-23 | 2018-01-19 | 国网浙江省电力公司经济技术研究院 | The back-to-back arrangement of brace type bus |
| CN109030181A (en) * | 2018-08-28 | 2018-12-18 | 国网河南省电力公司西峡县供电公司 | A kind of electric power line pole tower intensity detecting device |
| CN111969485A (en) * | 2020-08-18 | 2020-11-20 | 国网福建省电力有限公司南平供电公司 | Application mode of automatic processing device for heating defects of power overhead high-voltage line connector |
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Application publication date: 20130206 |