CN205012746U - Last style of calligraphy of 35kV cluster tangent tower - Google Patents
Last style of calligraphy of 35kV cluster tangent tower Download PDFInfo
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- CN205012746U CN205012746U CN201520231707.3U CN201520231707U CN205012746U CN 205012746 U CN205012746 U CN 205012746U CN 201520231707 U CN201520231707 U CN 201520231707U CN 205012746 U CN205012746 U CN 205012746U
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- 239000000725 suspension Substances 0.000 claims abstract description 18
- 239000012212 insulator Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a last style of calligraphy of 35kV cluster tangent tower. It includes the body of the tower, connect at the upper cross arm of body of the tower upper portion one side, the symmetric connection lower floor's cross arm in body of the tower lower part both sides, the body of the tower top hangs the line of buying an estate, upper strata cross arm one end hangs the I cluster, and the inside and outside both ends of lower floor's cross arm hang has respectively put an insulating cluster, and the lower extreme of insulating cluster adopts the yoke plate to link together, and the insulating cluster that the inside and outside both ends that make lower floor's cross arm hung forms the cluster that dangles of V type separately. The contained angle of two insulating clusters of the cluster that dangles of V type is 118. Probe distance between two suspension clamp of lower floor's cross arm is 2.9m. The utility model discloses an under the condition of cross arm length, increase double -phase wire down can hang V type cluster function under not increasing, the line corridor width reduces 2.25m, can make the angle of protection of ground wire pair wire effectively reduced, can save line corridor again to remove or the cutting down expense, and social and economic benefits is obvious.
Description
Technical field
The utility model relates to the tangent tower in a kind of high-tension line, specifically font string tangent tower on a kind of 35kV.
Background technology
Regulation according to " protection of electric power facility regulations " Article 10 that State Council issues: overhead power line urban conservation area refers to horizontal-extending outside polygon leg alignment and region in two parallel surfaces formed perpendicular to ground; for 35kV power transmission sequence, the sideline extended distance of wire is 10m." protection of electric power facility regulations " arrange again simultaneously, and in the densely inhabited district such as factories and miness, cities and towns, the region of overhead power line urban conservation area can be slightly less than afore mentioned rules.But the distance that wire sideline extends should not be less than the safe distance sum apart from building after the horizontal range of wire sideline after max calculation sag and max calculation windage yaw and windage yaw.
Current 35kV power circuit has a wide range of applications in China, is the main line of China's electric distribution network.Along with the quickening of urbanization process; city power transmission line corridor resource growing tension; public's environmental protection consciousness is also strengthening gradually simultaneously, and thing followed soil, forest, compensation of house dismantlement expense grow with each passing day, and are increasing gradually the impact of cities and towns ultra-high-tension power transmission line building cost.
The rare line channel in reasonable employment cities and towns has following several mode usually: one is integrate multiple engineering circuit corridor, removes old circuit, adopts multiloop scheme of architecture; Two is the schemes adopting cabling, and this scheme also can adopt multiloop to set up with ditch, namely adopts city cable tunnel scheme; Three is compressed lines line conductor phase spacings, reduces line corridor width to greatest extent.The scope of multi-loop line scheme impact is comparatively wide, needs, to the built circuit overall planning in many, area, to realize intensive restrictive condition more; Cabling scheme involves great expense, especially cable tunnel; And to reduce line corridor width be as far as possible effective way the most economic and practical.
At present, old modular design China's eighties in last century generally continued to use by domestic 35kV power transmission sequence tangent tower, three-phase conducting wire all hangs " I " type insulator string, lower floor wire spacing 4.6m, cross-arm following tower body cloth material mode adopts parallel axes mode, and required line corridor width is about 6.6m.Through the repeatedly analysis on accident cause of falling tower, although tower body parallel axes cloth material mode consumptive material index is lower, steel tower security reliability is poor, and line security runs exists a lot of uncertain factor.
According to investigations, due to domestic lower for 35kV Design Transmission Line qualification requirement at present, in engineering with large for little, the phenomenon of the scheme of even intensive employing steel pipe pole is general, causes the significant wastage of track investment.
Therefore, be necessary to design the narrower 35kV high-tension line tangent tower of strong, the required line corridor of a kind of security reliability, to reduce line corridor removal damages to greatest extent, increase circuit operational reliability.
Utility model content
Of the present utility model
goal of the inventionjust be to provide font IVV type string tangent tower on a kind of 35kV, its advantage is: can effectively reduce line corridor width, thus reduces line corridor removal damages; And it is safe and reliable.
For solving the problems of the technologies described above, the utility model adopts
technical schemebe:
Font IVV type string tangent tower on a kind of 35kV of the utility model, comprise tower body, be connected to the upper strata cross-arm of side, tower body top, lower floor's cross-arm that symmetry is connected to both sides, tower body bottom, described tower body top is provided with the ground wire hanging point hanging ground wire, it is characterized in that: described upper strata cross-arm is hung with I type insulator string, the outer end of lower floor's cross-arm and tower body have hung an insulator string respectively every face place, the lower end of two insulator strings adopts the yoke plate with suspension clamp to link together, and makes two insulator strings hung between lower floor's cross arm end and tower body form the suspension string of V-type.
The insulator string of cross-arm side-by-side mounting V-type under steel tower described in the utility model, the angle of two insulator strings of the suspension string of V-type is 118 °.
Horizontal range between two suspension clamps of lower floor described in the utility model cross-arm is 2.9m.
The main material of the following tower body of lower floor described in the utility model cross-arm adopts minimum axle arrangement.
Of the present utility model
beneficial effectfor:
The utility model is under the prerequisite not changing old modular design cross-arm length, and broad area, region still can adopt three-phase I to go here and there, and to reduce insulator consumption, in the narrow location of line corridor, two-phase lower wire can adopt V-type string, applies convenient, flexible.
The suspension string of employing " V " type that the utility model under font tangent tower, cross-arm two-phase wire is innovated on 35kV, suspension string by V-type hangs two phase conductors, meeting electric clearance, lightning protection, Insulation Coordination, under the prerequisite that the aspects such as electromagnetic environment require, constrain the rocking tendency of two-phase lower wire, decrease the wire spacing of two-phase lower wire, efficiently solve three-phase conducting wire and all adopt the problem that needed for I type insulator string, line corridor is wider, compared with adopting I type string with whole three-phase, required line corridor width reduces about 2.25m, effectively can reduce housing demolition, trees felling engineering quantity.
The hanging wire point of the suspension string of V-type of the present utility model is suitable with I type insulator string to the vertical distance of the main material of wire cross-arm lower plane, and steel tower height is fair with the I type insulator string tangent tower under equal conditions.The utility model be applicable to 30 years one chances, 10 meters high, 10min mean baseline wind speed is not more than 30m/s, design icing is not more than all 35kV line projects of 5mm, wire LGJ-300/40, ground wire GJ-50, horizontal span 200m, vertical span 400m, is particularly useful for the narrow location of line corridor and uses.Steel tower design meet current design criteria code requirement, simple for structure, economic indicator is advanced, applied widely.
Two phase conductors of the present utility model can adopt the suspension string of V-type to hang, and the angle of two insulator strings is 118 degree, when maximum windage yaw, a wherein insulator string pressurized relaxation can not occur, and ensure that the stable of the suspension string of V-type.Owing to adopting the utility model structure that ground wire can be made the shielding angle of two-phase lower wire, 10 degree and 16 degree are reduced to respectively by 17 degree, 22 degree of hanging when I goes here and there.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
Font IVV type string tangent tower embodiment on the utility model 35kV, as shown in Figure 1, comprises the tower body 1, upper strata cross-arm 2, the lower floor's cross-arm 3 that are trussed construction.Upper strata cross-arm 2 is fixedly connected on the side on tower body top, and two lower floor's cross-arm 3 symmetries are connected to the both sides of tower body bottom.Upper strata cross-arm 2 and lower floor's cross-arm 3 be arranged in parallel, tower body 1, upper strata cross-arm 2 and two lower floor's cross-arms 3 seem to be formed " on " font.Described tower body 1 top arranges the ground wire hanging point 6 hanging ground wire.Described upper strata cross-arm 2 hangs " I " type insulator string 7, the outer end of lower floor's cross-arm 3 and tower body have hung insulator string 4-1, a 4-2 respectively every face place, the lower end of two insulator strings 4-1,4-2 adopts yoke plate 5 to link together, and makes insulator string 4-1, the 4-2 hung between lower floor's cross arm end and tower body form the suspension string 4 of " V " type.The angle between two insulator strings 4-1,4-2 of the suspension string 4 of V-type is the obtuse angle of 118 °.Horizontal range between described lower floor cross-arm two suspension clamps is 2.9m.The described lower floor main material of cross-arm (3) following tower body adopts minimum axle arrangement (namely criss-cross construction) as shown in the figure.
The hanging wire point of the suspension string of V-type of the present utility model is suitable with I type insulator string to the vertical distance of the main material of wire cross-arm lower plane, and steel tower height is fair with the I type insulator string tangent tower under equal conditions; And make the shielding angle of ground wire to two-phase lower wire be respectively 10 degree, 16 degree.The utility model be applicable to 30 years one chances, 10 meters high, 10min mean baseline wind speed is not more than 30m/s, design icing is not more than all 35kV line projects of 5mm, wire LGJ-300/40, ground wire GJ-50, horizontal span 200m, vertical span 400m, is particularly useful for the narrow location of line corridor and uses.Steel tower design meet current design criteria code requirement, simple for structure, economic indicator is advanced, applied widely.
Claims (4)
1.35kV upper font string tangent tower, comprise tower body (1), be connected to the upper strata cross-arm (2) of tower body (1) side, top, symmetry is connected to lower floor's cross-arm (3) of tower body (1) both sides, bottom, described tower body (1) top is provided with the ground wire hanging point (6) hanging ground wire, it is characterized in that: described upper strata cross-arm (2) is hung with I type insulator string (7), outer end and the tower body (1) of lower floor's cross-arm (3) have hung an insulator string (4-1 respectively every face place, 4-2), two insulator string (4-1, lower end 4-2) adopts the yoke plate (5) with suspension clamp to link together, make two the insulator string (4-1 hung between lower floor's cross-arm (3) end and tower body (1), 4-2) form the suspension string (4) of V-type.
2. font string tangent tower on 35kV according to claim 1, is characterized in that: the angle between two insulator strings (4-1,4-2) of the suspension string (4) of described formation V-type is 118 °.
3. font string tangent tower on 35kV according to claim 1, is characterized in that: the horizontal range between lower floor's cross-arm (3) two suspension clamps is 2.9m.
4. font string tangent tower on 35kV according to claim 1, is characterized in that: the described lower floor main material of cross-arm (3) following tower body adopts minimum axle arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231707.3U CN205012746U (en) | 2015-04-17 | 2015-04-17 | Last style of calligraphy of 35kV cluster tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231707.3U CN205012746U (en) | 2015-04-17 | 2015-04-17 | Last style of calligraphy of 35kV cluster tangent tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205012746U true CN205012746U (en) | 2016-02-03 |
Family
ID=55211356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231707.3U Expired - Fee Related CN205012746U (en) | 2015-04-17 | 2015-04-17 | Last style of calligraphy of 35kV cluster tangent tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205012746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502385A (en) * | 2020-04-28 | 2020-08-07 | 宜春市鸿辉新型机电有限公司 | 35kV single-circuit compact high-strength electric pole |
-
2015
- 2015-04-17 CN CN201520231707.3U patent/CN205012746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502385A (en) * | 2020-04-28 | 2020-08-07 | 宜春市鸿辉新型机电有限公司 | 35kV single-circuit compact high-strength electric pole |
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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 |
Granted publication date: 20160203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |