CN103779809A - Tool special for electrically adjusting gap between double split sub-conductors and working method - Google Patents
Tool special for electrically adjusting gap between double split sub-conductors and working method Download PDFInfo
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- CN103779809A CN103779809A CN201410056552.4A CN201410056552A CN103779809A CN 103779809 A CN103779809 A CN 103779809A CN 201410056552 A CN201410056552 A CN 201410056552A CN 103779809 A CN103779809 A CN 103779809A
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Abstract
The invention relates to a tool special for electrically adjusting a gap between double split sub-conductors and a working method. The tool comprises an anti-falling adjustable-gap stroke double hooks, wherein the anti-falling adjustable-gap stroke double hooks comprise an upper metal hook, a small lead screw and a lower metal hook, the bottom of the upper metal hook is connected with the top of the small lead screw, the bottom of the small lead screw is connected with the top of the lower metal hook, the top of the upper metal hook is connected with an adjustable insulation pull rod, and the top of the adjustable insulation pull rod is connected with a reinforcing type anti-torsion lead screw. Compared with the working method for adjusting the gap between an upper sub-conductor and a lower sub-conductor of double split conductors in a power failure, the whole set of tool and the working method have the advantages that the operation time is greatly shortened, labor intensity of operating personnel is reduced, meanwhile, safety risks possibly brought to power grid running by power failure working are reduced, and the aim of electrically adjusting the gap between the double split sub-conductors in an equipotential mode is achieved.
Description
Technical field
The present invention relates to the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment and operational method.
Background technology
In recent years, in transmission line running, because factors such as being carried load, ambient temperature, line span and construction quality affects, in part route lever section, cause the problems such as the upper and lower sub-line of bundle conductor is bonding, whiplash, have a strong impact on the safe operation of transmission line.Therefore need to have a kind of power tool and supporting operational method thereof can realize the spacing of adjusting the upper and lower sub-line of straight line pole bundle conductor in a certain span, and can be according to equipment geographical situation of living in, adjust arbitrarily the upper and lower sub-distance between centers of tracks of bundle conductor, thereby effectively solve the problems such as sub-conductor is bonding, whiplash.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, be that technical problem to be solved by this invention is to provide the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment and operational method, operate light, meet the desired safety condition of work on the spot.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment, comprise slip-off preventing adjustable distance stroke double hook, described slip-off preventing adjustable distance stroke double hook comprises metal hook, small-sized screw mandrel and lower metal hook, the bottom of described upper metal hook is connected with small-sized screw mandrel top, the bottom of described small-sized screw mandrel is connected with lower metal hook top, the top of described upper metal hook is connected with adjustable insulation pull-rod, and the top of described adjustable insulation pull-rod is connected with reinforced twisting resistance screw mandrel.
Further, the junction of described each parts is all with bolts, and described bolt is high-strength bolt.
Further, described adjustable insulation pull-rod is axially provided with the jack in a row for regulating length along it.
Further, described upper metal hook, small-sized screw mandrel and lower metal hook adopt high-strength aluminum alloy LC4.c.s to make.
Further, described adjustable insulation pull-rod adopts moistureproof filling tube material to make.
The two oidiospore wire pitch operational methods of a kind of charged adjustment, this operational method adopts above-mentioned specific purpose tool, carries out according to the following steps: after (1) steps on tower, earth potential electrician installs level ladder firmly, and equipotential electrician enters electric field along the hard ladder of level; (2) earth potential electrician and equipotential electrician cooperation install specific purpose tool; (3) earth potential electrician tightens up reinforced twisting resistance screw mandrel, and Insulator's tension is transferred to after bearing tool completely, and equipotential electrician can depart from side of wire was bowl head, removes old suspension clamp ship template; (4) equipotential electrician regulates slip-off preventing adjustable distance stroke double hook to make two oidiospore wire pitch increase to suitable distance; (5) equipotential electrician coordinates the new suspension clamp ship template of lifting with ground electrician, installs new ship template and recovers side of wire was bowl head.
This operational method is for the charged adjustment of the two oidiospore wire pitch in suspension clamp place in a certain span of current 220kV line tangent tower, simple and safe.Adopt this operational method, effectively reduce the labour intensity of operating personnel on bar, improve overall operating efficiency, solved in a certain span of tangent tower the difficult problem that two oidiospore wire pitch cannot charged adjustment, there is stronger practicality and popularizing application prospect widely.
Compared with prior art, the present invention has following beneficial effect: slip-off preventing adjustable distance stroke double hook is made up of upper and lower two metal hooks and middle small-sized screw mandrel, adjustment stroke reaches 400-600mm, the upper and lower sub-conductor of two division that can be applicable to flexibly different spacing, meets upper and lower sub-line simultaneously stressed; Apply this operational method, small-sized screw mandrel is only subject to the vertical load of lower wire, and equal potential working personnel only need adjust to suitable interval by adjustable distance stroke double hook along load direction, and without tightening up lifting wire, labour intensity is little; Kit and cross-arm are easy for installation, adopt adjustable distance stroke double hook the two-wire of single-phase transmission line can be hung up simultaneously, strengthen the bearing capacity to wire, improved the fail safe of operation, and in operation, wire are more stable; The operational method of the upper and lower sub-distance between centers of tracks of double bundle conductor is adjusted in the power failure that the application of kit and operational method is compared, not only greatly shorten the operating time, reduce operating personnel's labour intensity, also reduce the security risk that may cause operation of power networks because of power failure operation, realized the object of the two oidiospore wire pitch of the charged adjustment of equipotential simultaneously.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the on-the-spot application state schematic diagram of the embodiment of the present invention.
In figure: the reinforced twisting resistance screw mandrel of 1-, 11-high-strength bolt nut assembly, the adjustable insulation pull-rod of 2-, 21-jack, the upper metal hook of 3-, the small-sized screw mandrel of 4-, metal hook under 5-, 6-steel tower cross-arm, 7-linear insulator chain, 8-220kV double bundle conductor, 9-side of wire was bowl head, 10-suspension clamp ship template.
Embodiment
Embodiment mono-: as shown in Figure 1, the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment, comprise slip-off preventing adjustable distance stroke double hook, described slip-off preventing adjustable distance stroke double hook comprises metal hook 3, small-sized screw mandrel 4 and lower metal hook 5, the bottom of described upper metal hook 3 is connected with small-sized screw mandrel 4 tops, the bottom of described small-sized screw mandrel 4 is connected with lower metal hook 5 tops, the top of described upper metal hook 3 is connected with adjustable insulation pull-rod 2, and the top of described adjustable insulation pull-rod 2 is connected with reinforced twisting resistance screw mandrel 1.
In the present embodiment, described slip-off preventing adjustable distance stroke double hook, material selection high-strength aluminum alloy LC4.c.s material, comprises small-sized screw mandrel 4 and upper and lower two metal hooks.Small-sized screw mandrel 4 adopts slip-off preventing design.The upper end of upper metal hook 3 and small-sized screw mandrel 4 upper/lower terminals and lower metal hook 5 all has circular hole, and the diameter of circular hole is 12.5mm, is enough to meet the connection request of M14 high-strength bolt.Under upper metal hook, on circular hole and small-sized screw mandrel, on the lower circular hole of circular hole, small-sized screw mandrel and lower metal hook, circular hole all connects to form by M14 high-strength bolt nut assembly.The range-adjustable of slip-off preventing adjustable distance stroke double hook is 400-600mm.
In the present embodiment, described reinforced twisting resistance screw mandrel 1 adopts the design of " three grades of interlocks ", thread extruding, the shearing of anti-thread, the bending of screw thread position and leading screw torsion, stretching equal strength all meet design load requirement, province's force rate is 1:425, flexible operation, tighten up freely, increased intensity and stroke nargin, load screw structure meets the load that tightens up LGJ-240 wire.Reinforced twisting resistance screw mandrel 1 lower end is provided with the circular hole that diameter is 12.5mm, and cover has high-strength bolt nut assembly 11.
In the present embodiment, described adjustable insulation pull-rod 2 adopts moistureproof filling tube material, meets the requirement of GB13398-2008, allows loading to reach 86.7kN, and adjustment stroke reaches 2120-3000mm.With the supporting metal termination of adjustable insulation pull-rod 2, adopt two auricles of external diameter Φ 48mm, material adopts 7A04 superduralumin, and its tensile strength reaches 95kN.The strength of materials and insulation property are enough to meet the requirement of live line working.Its one end is connected by high-strength bolt nut assembly with circular hole on metal hook on slip-off preventing adjustable distance stroke double hook, and the other end is connected in reinforced twisting resistance screw mandrel 1 lower end circular hole.
In the present embodiment, described adjustable insulation pull-rod 2 is axially provided with the jack in a row 21 for regulating length along it.
The two oidiospore wire pitch operational methods of a kind of charged adjustment, as shown in Figure 2, this operational method adopts above-mentioned specific purpose tool, carries out according to the following steps: after (1) steps on tower, earth potential electrician installs level ladder firmly, and equipotential electrician enters electric field along the hard ladder of level; (2) earth potential electrician and equipotential electrician cooperation install specific purpose tool; (3) earth potential electrician tightens up reinforced twisting resistance screw mandrel, and Insulator's tension is transferred to after bearing tool completely, and equipotential electrician can depart from side of wire was bowl head, removes old suspension clamp ship template; (4) equipotential electrician regulates slip-off preventing adjustable distance stroke double hook to make two oidiospore wire pitch increase to suitable distance; (5) equipotential electrician coordinates the new suspension clamp ship template of lifting with ground electrician, installs new ship template and recovers side of wire was bowl head.
In concrete operation, ground electrician assembles slip-off preventing adjustable distance stroke double hook, reinforced twisting resistance screw mandrel 1 and adjustable insulation pull-rod 2; Earth potential electrician climbing tower is chosen setting to steel tower cross-arm 6 places, and ground electrician lifts by crane the instrument assembling; The electrician at steel tower cross-arm 6 places, by regulating adjustable insulation pull-rod 2 length, is installed on setting stressed slightly by a whole set of specific purpose tool, and now double bundle conductor spacing is 400mm; No. 2 electricians of earth potential install level ladder firmly, equipotential electrician enters the setting at 220kV double bundle conductor 8 places along the hard ladder of level, earth potential electrician tightens up reinforced twisting resistance screw mandrel 1 makes linear insulator chain 7 lax, equipotential electrician departs from side of wire was bowl 9, and removes old suspension clamp ship template 10; Equipotential electrician operates small-sized screw mandrel 4 makes wire pitch adjust to appropriate location; Equipotential electrician changes new suspension clamp ship template, thereby reaches the object of the two oidiospore wire pitch of charged adjustment.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. the two oidiospore wire pitch specific purpose tools of charged adjustment, it is characterized in that: comprise slip-off preventing adjustable distance stroke double hook, described slip-off preventing adjustable distance stroke double hook comprises metal hook, small-sized screw mandrel and lower metal hook, the bottom of described upper metal hook is connected with small-sized screw mandrel top, the bottom of described small-sized screw mandrel is connected with lower metal hook top, the top of described upper metal hook is connected with adjustable insulation pull-rod, and the top of described adjustable insulation pull-rod is connected with reinforced twisting resistance screw mandrel.
2. the two oidiospore wire pitch specific purpose tools of charged adjustment according to claim 1, is characterized in that: the junction of described each parts is all with bolts, and described bolt is high-strength bolt.
3. the two oidiospore wire pitch specific purpose tools of charged adjustment according to claim 1, is characterized in that: described adjustable insulation pull-rod is axially provided with the jack in a row for regulating length along it.
4. the two oidiospore wire pitch specific purpose tools of charged adjustment according to claim 1, is characterized in that: described upper metal hook, small-sized screw mandrel and lower metal hook adopt high-strength aluminum alloy LC4.c.s to make.
5. the two oidiospore wire pitch specific purpose tools of charged adjustment according to claim 1, is characterized in that: described adjustable insulation pull-rod adopts moistureproof filling tube material to make.
6. the two oidiospore wire pitch operational methods of charged adjustment, this operational method adopts the specific purpose tool in claim 1, it is characterized in that, carry out according to the following steps: after (1) steps on tower, earth potential electrician installs level ladder firmly, and equipotential electrician enters electric field along the hard ladder of level; (2) earth potential electrician and equipotential electrician cooperation install specific purpose tool; (3) earth potential electrician tightens up reinforced twisting resistance screw mandrel, and Insulator's tension is transferred to after bearing tool completely, and equipotential electrician can depart from side of wire was bowl head, removes old suspension clamp ship template; (4) equipotential electrician regulates slip-off preventing adjustable distance stroke double hook to make two oidiospore wire pitch increase to suitable distance; (5) equipotential electrician coordinates the new suspension clamp ship template of lifting with ground electrician, installs new ship template and recovers side of wire was bowl head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056552.4A CN103779809B (en) | 2014-02-20 | 2014-02-20 | The two oidiospore wire pitch operational method of charged adjustment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056552.4A CN103779809B (en) | 2014-02-20 | 2014-02-20 | The two oidiospore wire pitch operational method of charged adjustment |
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| CN103779809A true CN103779809A (en) | 2014-05-07 |
| CN103779809B CN103779809B (en) | 2016-02-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283151A (en) * | 2014-09-26 | 2015-01-14 | 国家电网公司 | Tangent tower electrified double-fission wire lifting device |
| CN105576555A (en) * | 2016-02-04 | 2016-05-11 | 云南电网有限责任公司昆明供电局 | Special tool for power-cut or live replacement of 220kV spacer |
| CN107769079A (en) * | 2017-11-22 | 2018-03-06 | 广西电网有限责任公司贺州供电局 | For changing the specific purpose tool of suspension clamp shield lines |
| CN108529471A (en) * | 2018-05-31 | 2018-09-14 | 国家电网公司 | Portable overhead ground wire lifting device |
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| CN201234091Y (en) * | 2008-07-12 | 2009-05-06 | 宁夏电力公司吴忠供电局 | Vertical double split conductive wire hanging hook |
| CN201266808Y (en) * | 2008-09-03 | 2009-07-01 | 福建省莆田电业局 | Tool for replacing V-string porcelain bottle of multi-loop line tangent tower with electrified |
| CN101820144A (en) * | 2010-03-26 | 2010-09-01 | 福建省电力有限公司莆田电业局 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
| CN201674187U (en) * | 2010-04-28 | 2010-12-15 | 恩施土家族苗族自治州电力总公司 | Double-bundle conductor lifter |
| CN102820628A (en) * | 2012-08-28 | 2012-12-12 | 邯郸供电公司 | Special tool for replacing split conductor spacer rod |
| CN203707674U (en) * | 2014-02-20 | 2014-07-09 | 国家电网公司 | Special tool for electrified adjustment of distance between double-bundled sub-conductor |
-
2014
- 2014-02-20 CN CN201410056552.4A patent/CN103779809B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234091Y (en) * | 2008-07-12 | 2009-05-06 | 宁夏电力公司吴忠供电局 | Vertical double split conductive wire hanging hook |
| CN201266808Y (en) * | 2008-09-03 | 2009-07-01 | 福建省莆田电业局 | Tool for replacing V-string porcelain bottle of multi-loop line tangent tower with electrified |
| CN101820144A (en) * | 2010-03-26 | 2010-09-01 | 福建省电力有限公司莆田电业局 | Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire |
| CN201674187U (en) * | 2010-04-28 | 2010-12-15 | 恩施土家族苗族自治州电力总公司 | Double-bundle conductor lifter |
| CN102820628A (en) * | 2012-08-28 | 2012-12-12 | 邯郸供电公司 | Special tool for replacing split conductor spacer rod |
| CN203707674U (en) * | 2014-02-20 | 2014-07-09 | 国家电网公司 | Special tool for electrified adjustment of distance between double-bundled sub-conductor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283151A (en) * | 2014-09-26 | 2015-01-14 | 国家电网公司 | Tangent tower electrified double-fission wire lifting device |
| CN105576555A (en) * | 2016-02-04 | 2016-05-11 | 云南电网有限责任公司昆明供电局 | Special tool for power-cut or live replacement of 220kV spacer |
| CN105576555B (en) * | 2016-02-04 | 2018-06-15 | 云南电网有限责任公司昆明供电局 | A kind of power failure or the specific purpose tool of charged for replacement 220kV conductor spacers |
| CN107769079A (en) * | 2017-11-22 | 2018-03-06 | 广西电网有限责任公司贺州供电局 | For changing the specific purpose tool of suspension clamp shield lines |
| CN108529471A (en) * | 2018-05-31 | 2018-09-14 | 国家电网公司 | Portable overhead ground wire lifting device |
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| Publication number | Publication date |
|---|---|
| CN103779809B (en) | 2016-02-03 |
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