CN203707674U - Special tool for electrified adjustment of distance between double-bundled sub-conductor - Google Patents
Special tool for electrified adjustment of distance between double-bundled sub-conductor Download PDFInfo
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- CN203707674U CN203707674U CN201420072075.6U CN201420072075U CN203707674U CN 203707674 U CN203707674 U CN 203707674U CN 201420072075 U CN201420072075 U CN 201420072075U CN 203707674 U CN203707674 U CN 203707674U
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- Prior art keywords
- metal hook
- hook
- screw mandrel
- rod
- small
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- 239000004020 conductor Substances 0.000 title abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 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
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model relates to a special tool for electrified adjustment of distance between double-bundled sub-conductors. The special tool comprises a distance and travel adjustable dual hook, wherein the distance and travel adjustable dual hook comprises an upper metal hook, a small screw rod and a lower metal hook, the bottom part of the upper metal hook is connected with the top part of the small screw rod, the bottom part of the small screw rod is connected with the top part of the lower metal hook, the top part of the upper metal hook is connected with an adjustable insulating pull rod, and the top part of the adjustable insulating pull rod is connected with a reinforcing type anti-torque screw rod. The whole set tool provided by the utility model greatly shortens the operating time, reduces the labor intensity of workers, reduces the safety risk in power grid operation caused by power-off operation, and achieves the purposes of equipotential electrified adjustment of distance between the double-bundled sub-conductors.
Description
Technical field
The utility model relates to the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment.
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.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, and technical problem to be solved in the utility model is to provide the two oidiospore wire pitch specific purpose tools of a kind of charged adjustment, operate light, meet the desired safety condition of work on the spot.
In order to solve the problems of the technologies described above, the technical solution of the utility model 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.
Compared with prior art, the utlity model 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; 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; Not only greatly shorten the operating time, reduced operating personnel's labour intensity, also reduced 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 utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the on-the-spot application state schematic diagram of the utility model embodiment.
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 and 2, 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.
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 utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072075.6U CN203707674U (en) | 2014-02-20 | 2014-02-20 | Special tool for electrified adjustment of distance between double-bundled sub-conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072075.6U CN203707674U (en) | 2014-02-20 | 2014-02-20 | Special tool for electrified adjustment of distance between double-bundled sub-conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707674U true CN203707674U (en) | 2014-07-09 |
Family
ID=51058056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072075.6U Expired - Fee Related CN203707674U (en) | 2014-02-20 | 2014-02-20 | Special tool for electrified adjustment of distance between double-bundled sub-conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN105490203A (en) * | 2014-09-16 | 2016-04-13 | 国家电网公司 | Cross-arm bracket and method for replacing cross arm through employing same |
-
2014
- 2014-02-20 CN CN201420072075.6U patent/CN203707674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN103779809B (en) * | 2014-02-20 | 2016-02-03 | 国家电网公司 | The two oidiospore wire pitch operational method of charged adjustment |
| CN105490203A (en) * | 2014-09-16 | 2016-04-13 | 国家电网公司 | Cross-arm bracket and method for replacing cross arm through employing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180220 |