CN103779809B - The two oidiospore wire pitch operational method of charged adjustment - Google Patents
The two oidiospore wire pitch operational method of charged adjustment Download PDFInfo
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- CN103779809B CN103779809B CN201410056552.4A CN201410056552A CN103779809B CN 103779809 B CN103779809 B CN 103779809B CN 201410056552 A CN201410056552 A CN 201410056552A CN 103779809 B CN103779809 B CN 103779809B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The present invention relates to the two oidiospore wire pitch operational method 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.The operational method of the upper and lower sub-distance between centers of tracks of adjustment double bundle conductor that has a power failure of the application ratio of the kit in the present invention and operational method, not only substantially reduce the operating time, reduce the labour intensity of operating personnel, also reduce the security risk because power failure operation may cause operation of power networks simultaneously, achieve the object of the two oidiospore wire pitch of the charged adjustment of equipotential.
Description
Technical field
The present invention relates to the two oidiospore wire pitch operational method of a kind of charged adjustment.
Background technology
In recent years, in transmission line running, owing to affecting by factors such as conveying load, ambient temperature, line span and construction qualities, in part route lever section, cause the problems such as the upper and lower sub-line bonding of bundle conductor, whiplash, have a strong impact on the safe operation of transmission line.Therefore the spacing that a kind of power tool and supporting operational method thereof can realize adjusting the upper and lower sub-line of straight line pole bundle conductor in a certain span is needed, and can according to geographical situation residing for equipment, the upper and lower sub-distance between centers of tracks of any adjustment bundle conductor, thus effectively solve the problems such as sub-conductor bonding, whiplash.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical problem to be solved by this invention is to provide the two oidiospore wire pitch operational method of a kind of charged adjustment, operate light, meet safety condition required by 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 tool 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 former components is all with bolts, and described bolt is high-strength bolt.
Further, described adjustable insulation pull-rod is along its axial jack in a row be provided with for regulating length.
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 method 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 to install level firmly terraced, 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 after making Insulator's tension transfer to bearing tool completely, side of wire bowl head can depart from by equipotential electrician, 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 with ground electrician and lifts by crane new suspension clamp ship template, installs new ship template and recovers side of wire 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, solving two oidiospore wire pitch in a certain span of tangent tower cannot the difficult problem of charged adjustment, has 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 of different spacing can be applicable to flexibly, meet 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 adjustable distance stroke double hook only need be adjusted to suitable interval along load direction by equal potential working personnel, and without the need to tightening up lifting wire, labour intensity is little; Kit and cross-arm 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, improve the fail safe of operation, and in operation, wire is more stable; The operational method of the upper and lower sub-distance between centers of tracks of adjustment double bundle conductor that has a power failure of the application ratio of kit and operational method, not only substantially reduce the operating time, reduce the labour intensity of operating personnel, also reduce the security risk because power failure operation may cause operation of power networks simultaneously, achieve the object of the two oidiospore wire pitch of the charged adjustment of equipotential.
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 bowl head, 10-suspension clamp ship template.
Embodiment
Embodiment one: as shown in Figure 1, the two oidiospore wire pitch specific purpose tool 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 top, the bottom of described small-sized screw mandrel 4 is connected with lower metal hook 5 top, 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 to design.The upper end of upper metal hook 3 and small-sized screw mandrel 4 upper/lower terminal and lower metal hook 5 all has circular hole, and the diameter of circular hole is 12.5mm, is enough to the connection request meeting 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 is all connected 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, anti-thread are sheared, screw thread position is bending and leading screw reverses, stretching equal strength all meets design load requirement, province's force rate is 1:425, flexible operation, tighten up freely, increase intensity and stroke nargin, load screw structure meets the load tightening 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, and allow loading to reach 86.7kN, adjustment stroke reaches 2120-3000mm.With the metal termination that adjustable insulation pull-rod 2 is supporting, adopt external diameter Φ 48mm two auricles, material adopts 7A04 superduralumin, and its tensile strength reaches 95kN.The strength of materials and insulation property are enough to the requirement meeting 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 to 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 method 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 to install level firmly terraced, 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 after making Insulator's tension transfer to bearing tool completely, side of wire bowl head can depart from by equipotential electrician, 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 with ground electrician and lifts by crane new suspension clamp ship template, installs new ship template and recovers side of wire bowl head.
In concrete operation, slip-off preventing adjustable distance stroke double hook, reinforced twisting resistance screw mandrel 1 and adjustable insulation pull-rod 2 assemble by ground electrician; Earth potential electrician climbing tower chooses setting to steel tower cross-arm 6 place, and ground electrician lifts by crane the instrument assembled; The electrician at steel tower cross-arm 6 place is by regulating adjustable insulation pull-rod 2 length, and a whole set of specific purpose tool is installed on setting also stressed slightly, now double bundle conductor spacing is 400mm; It is firmly terraced that earth potential No. 2 electricians install level, equipotential electrician enters the setting at 220kV double bundle conductor 8 place along the hard ladder of level, earth potential electrician tightens up reinforced twisting resistance screw mandrel 1 makes linear insulator chain 7 relax, equipotential electrician by 9 disengaging of side of wire bowl, 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, thus reaches the object of the two oidiospore wire pitch of charged adjustment.
The foregoing is only preferred embodiment of the present invention, all equalizations done 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 (1)
1. the two oidiospore wire pitch operational method of charged adjustment, this operational method adopts the two oidiospore wire pitch specific purpose tool of a kind of charged adjustment, this specific purpose tool comprises 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, the top of described adjustable insulation pull-rod is connected with reinforced twisting resistance screw mandrel, it is characterized in that, carry out according to the following steps: after (1) steps on tower earth potential electrician to install level firmly terraced, 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 after making Insulator's tension transfer to bearing tool completely, side of wire bowl head can depart from by equipotential electrician, 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 with ground electrician and lifts by crane new suspension clamp ship template, installs new ship template and recovers side of wire 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 |
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| 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 CN103779809A (en) | 2014-05-07 |
| CN103779809B true CN103779809B (en) | 2016-02-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283151B (en) * | 2014-09-26 | 2017-02-22 | 国家电网公司 | Tangent tower electrified double-fission wire lifting device |
| 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 |
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 |
-
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 |
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| CN103779809A (en) | 2014-05-07 |
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