CN105464446A - Double-loop power transmission tower - Google Patents
Double-loop power transmission tower Download PDFInfo
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- CN105464446A CN105464446A CN201510796804.1A CN201510796804A CN105464446A CN 105464446 A CN105464446 A CN 105464446A CN 201510796804 A CN201510796804 A CN 201510796804A CN 105464446 A CN105464446 A CN 105464446A
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- transmission tower
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000012212 insulator Substances 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052737 gold Inorganic materials 0.000 claims description 14
- 239000010931 gold Substances 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000005340 laminated glass Substances 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/02—Alloys based on zinc with copper as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/642—Protecting metallic construction elements against corrosion
Abstract
The invention provides a double-loop power transmission tower, which comprises a tower body, a tower head and a foundation, wherein the tower body is in vertical arrangement; the tower head is arranged at the upper end of the tower body; the foundation is arranged at the lower end of the tower body; the tower head comprises a tower window, a ground wire support frame and a loop lead; the ground wire support frame is arranged at the two ends of the upper part of the tower window; the loop lead is arranged in the tower window; and the foundation comprises a concrete foundation and a bearing table arranged at the upper end of the concrete foundation. The double-loop power transmission tower provided by the invention has the advantages that the transmission passage width is reduced; the power transmission capability is improved; the torsional resistance of an electric tower is enhanced; the land resources are saved; and the production and maintenance cost is reduced.
Description
Technical field
The present invention relates to transmission facility, specifically the present invention relates to a kind of double loop power transmission tower.
Background technology
Along with China's sustain economic, develop fast, the requirement for the common-tower double-return alternating current circuit tangent tower of 220kV and above constantly increases.So need to provide a kind of double loop power transmission tower, to reduce conveying width of corridor, improve the ability that transmits electric power, economize the land resource and reduce production maintenance cost.
Through long-term observation, research, the present inventor finds that there is that double loop power transmission tower adopts two loop distribution in tower body both sides, three-phase conducting wire in horizontally or the dry font tower (tower head as shown in Figure 7 and Figure 8) of vertical arrangement or two single loop inverted triangles be placed in the T-shaped tower (as shown in Figure 9) of tower body both sides respectively.There is following problem: 1, double tower window type tower width of corridor is comparatively large, steel using amount is large, and construction costs is higher, inadequate energy-conserving and environment-protective.2, T-shaped tower cross-arm is long, moment of torsion is large, and for the transmission tower of voltage levels, because load of roadway is comparatively large, the torsional property of shaft tower is reliable not.
For this reason, need to provide a kind of double loop power transmission tower, to reduce conveying width of corridor, improve the ability that transmits electric power, strengthen electric tower resistance to torsion, economize the land resource and reduce production maintenance cost.
Summary of the invention
Solve the deficiencies in the prior art, the invention provides following technical proposals to realize: provide a kind of double loop power transmission tower, described power transmission tower comprises the tower body vertically arranged and the tower head and the basis that are separately positioned on the upper and lower two ends of described tower body,
The earth wire support that described tower head comprises tower window, be arranged on described tower window both upper ends thereof and the return wire be arranged in described tower window;
Described basis comprises concrete foundation and is arranged on the cushion cap of described concrete foundation upper end.
Described tower window shape is polygon, and it comprises horizontally disposed cross-arm, is symmetricly set on the supporting curved arm of described tower body both sides perpendicular to described cross-arm respectively;
Be provided with in described tower window and become the V-type of upper, middle and lower layer or U-shaped return wire in vertical arrangement.
Described U-shaped return wire is connected and composed by wire gold utensil by three insulator strings;
Described V-type return wire is connected and composed by wire gold utensil by two insulator strings.
It is the framework of regular polygon and the wire clamp being arranged on described framework summit that described wire gold utensil comprises shape;
Described wire clamp comprises the cross axle, elastic and the wire clamp that is made up of wire clip body and wire clamp gland that connect successively;
Described cross axle is flexibly connected with framework, and its axial centre is provided with the fixed axis be fixedly connected with described wire clip body;
Described elastic is arranged on described cross axle surrounding.
Described insulator string comprises surface and is provided with the epoxy glass laminate leading-drawing rod of silicon rubber composite material layer and is arranged on the umbrella petticoat insulator of described leading-drawing rod axial direction.
Be provided with the crossbeam arranged along described tower body radial direction in described tower window, described tower window be divided into upper window and lower window;
Described upper window be equipped with the V-type or U-shaped return wire that arrange in vertical inverted triangle in lower window.
Described power transmission tower surface is coated with anti-corrosion material, and by mass percentage, described anti-corrosion material contains:
Al：0.01～2.2％、Mg：0.01～0.45％、Re：0.06～2.0％、
Cu：0.03～1.5％、Cr：0.08～0.3％、Nb：0.005～0.01％、
Ni:0.006 ~ 0.01%, B:0.002 ~ 0.06%, surplus is Zn and other inevitable impurity.
The pouring concrete of the following component formation that described concrete foundation comprises by mass percentage forms:
Cement, mineral admixture, medium sand, stone, water, anticorrisive agent and naphthalene water reducer: cement, 7% ~ 9%; Mineral admixture, 6% ~ 8%; Medium sand, 30% ~ 33%; Stone, 42% ~ 48%; Water, 7% ~ 8%; Anticorrisive agent, 0.6% ~ 0.7% and naphthalene water reducer be 0.1% ~ 0.2%.
Described cushion cap is included in base plate, clamped beam and the column foot fixture that described concrete foundation upper end sets gradually;
Described base plate is steel fibre reinforced concrete plate;
Described clamped beam is along described base plate steel concrete lath laterally arranged in parallel, is provided with the bolt be connected with described base plate perpendicular to its axial direction;
Described column foot fixture comprises the vertical columns fixed vertical with described clamped beam and is embedded in the stone bolt arranged with its concentric in described vertical columns.
Described power transmission tower employing model is angle steel or the steel pipe formation of Q235, Q345, Q390, Q420 or Q460.
For certain 1000kV double back alternating current circuit tangent tower, devise the double loop power transmission tower of conventional wires type of array shaft tower and this patent respectively.Width of corridor and removal cost is contrasted under same design condition, as shown in table 1.Wherein, unit removal expense is by 1500 yuan/m
2consider, line length is pressed 200km and is considered.
Table 1 width of corridor and cost compare (interchange of 1000kV double back)
Visible according to table 1 data, the line corridor width of the double loop power transmission tower that the present invention proposes and removal cost all have remarkable minimizing than conventional tower, and advantage is more outstanding.
For certain 500kV double back alternating current circuit tangent tower, devise the compact shaft tower of conventional wires type of array shaft tower and this patent respectively.Width of corridor and removal cost is contrasted under same design condition, as shown in table 2.Wherein, unit removal expense is by 1500 yuan/m
2consider, line length is pressed 150km and is considered.
Table 2 width of corridor and cost compare (interchange of 500kV double back)
Visible according to table 2 data, the line corridor width of the double loop power transmission tower that the present invention proposes and removal cost all have remarkable minimizing than conventional tower, and advantage is more outstanding.
With immediate prior art ratio, technical scheme provided by the invention has following beneficial effect:
1, the double loop power transmission tower that provides of the application, has that conveying width of corridor is little, strong, the electric tower resistance to torsion of the ability that transmits electric power strong, saves land resources and the low excellent effect of production maintenance cost.
2, the double loop power transmission tower that the application provides adopts V-type return wire, and angle of oscillation is little, has tower head width and the little excellent effect of structural span.
3, the double loop Transmission Tower that provides of the application is reasonable in design, has good electric tower resistance to torsion.
4, the power transmission tower surface that the application provides is coated with anti-corrosion material, has and prevents power transmission tower from corroding, and improves the resistance to corrosion of power transmission tower, improves the excellent effect in more than power transmission tower service life at least one year.
5, the concrete that the application provides adopts special material mixture ratio mode, improves strength grade of concrete, reduces cost of production and has very high impervious and effect of prestressed.
6, the suspended deck structure that provides of the application is reasonable in design, has that stability is strong, cost of production is low and install simple excellent effect.
Accompanying drawing explanation
Fig. 1 is double loop provided by the invention power transmission tower front view;
Fig. 2 is double loop provided by the invention power transmission tower front view;
Fig. 3 is double loop provided by the invention power transmission tower front view;
Fig. 4 is foundation structure schematic diagram provided by the invention;
Fig. 5 is wire gold utensil front view provided by the invention;
Fig. 6 is wire clip body structural representation provided by the invention;
Fig. 7 is existing dry font tower tower head front view;
Fig. 8 is existing dry font tower tower head front view;
Fig. 9 is existing T-shaped tower front view;
Wherein, 1-tower body, 2-tower head, 3-basis, 4-tower window, 5-earth wire support, 6-concrete foundation, 7-cushion cap, 8-cross-arm, 9-supporting curved arm, 10-insulator string, 11-wire gold utensil, 12-framework, 13-wire clamp, 14-cross axle, 15-elastic, 16-wire clip body, 17-base plate, 18-clamped beam, 19-column foot fixture, 20-crossbeam.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of double loop power transmission tower, described power transmission tower is provided with the tower body 1 vertically arranged and the tower head 2 being separately positioned on described tower body about 1 two ends and basic 3,
The earth wire support 5 that described tower head 2 is provided with tower window 4, be arranged on described tower window 4 both upper ends thereof and the return wire be arranged in described tower window 4;
As shown in Figure 4, described basic 3 be provided with concrete foundation 6 and be arranged on the cushion cap 7 of described concrete foundation 6 upper end.
Described tower window 4 shape is polygon, and it is provided with horizontally disposed cross-arm 8, is symmetricly set on the supporting curved arm 9 of described tower body 1 both sides perpendicular to described cross-arm 8 respectively;
Be provided with in described tower window 4 and become the V-type of upper, middle and lower layer or U-shaped return wire in vertical arrangement.
As shown in Figure 2, described U-shaped return wire is connected and composed by wire gold utensil 11 by three insulator strings 10;
As shown in Figure 1, described V-type return wire is connected and composed by wire gold utensil 11 by two insulator strings 10.
As shown in Figure 5, described wire gold utensil 11 is provided with shape is the framework 12 of regular polygon and the wire clamp 13 being arranged on described framework 12 summit;
As shown in Figure 6, described wire clamp 13 is provided with the cross axle 14, elastic 15 and the wire clamp that is made up of wire clip body 16 and wire clamp gland that connect successively;
Described cross axle 14 is flexibly connected with framework 12, and its axial centre is provided with the fixed axis be fixedly connected with described wire clip body 16;
Described elastic 15 is arranged on described cross axle 14 surrounding.
Described insulator string 10 is that surface is provided with the epoxy glass laminate leading-drawing rod of silicon rubber composite material layer and is arranged on the umbrella petticoat insulator of described leading-drawing rod axial direction.
Described upper window and V-type or the U-shaped return wire all in vertical inverted triangle arrangement in lower window.Described power transmission tower surface is coated with anti-corrosion material, and by mass percentage, described anti-corrosion material contains:
Al：0.01～2.2％、Mg：0.01～0.45％、Re：0.06～2.0％、
Cu：0.03～1.5％、Cr：0.08～0.3％、Nb：0.005～0.01％、
Ni:0.006 ~ 0.01%, B:0.002 ~ 0.06%, surplus is Zn and other inevitable impurity.
The pouring concrete of the following component formation that described concrete foundation 6 comprises by mass percentage forms:
Cement, mineral admixture, medium sand, stone, water, anticorrisive agent and naphthalene water reducer: cement, 7% ~ 9%; Mineral admixture, 6% ~ 8%; Medium sand, 30% ~ 33%; Stone, 42% ~ 48%; Water, 7% ~ 8%; Anticorrisive agent, 0.6% ~ 0.7% and naphthalene water reducer be 0.1% ~ 0.2%.
As shown in Figure 4, described cushion cap 7 is provided with the base plate 17, clamped beam 18 and the column foot fixture 20 that set gradually in described concrete foundation 6 upper end;
Described base plate 17 is steel fibre reinforced concrete plate;
Described clamped beam 18 is along described base plate 17 steel concrete lath laterally arranged in parallel, is provided with the bolt be connected with described base plate 17 perpendicular to its axial direction;
Described column foot fixture 20 is provided with fixing vertical columns vertical with described clamped beam 18 and is embedded in the stone bolt arranged with its concentric in described vertical columns.
Described power transmission tower employing model is angle steel or the steel pipe formation of Q235, Q345, Q390, Q420 or Q460.
Embodiment 2:
As shown in Figure 3, a kind of double loop power transmission tower, described power transmission tower is provided with the tower body 1 vertically arranged and the tower head 2 being separately positioned on described tower body about 1 two ends and basic 3,
The earth wire support 5 that described tower head 2 is provided with tower window 4, be arranged on described tower window 4 both upper ends thereof and the return wire be arranged in described tower window 4;
As shown in Figure 4, described basic 3 be provided with concrete foundation 6 and be arranged on the cushion cap 7 of described concrete foundation 6 upper end.
Described tower window 4 shape is polygon, and it is provided with horizontally disposed cross-arm 8, is symmetricly set on the supporting curved arm 9 of described tower body 1 both sides perpendicular to described cross-arm 8 respectively;
As shown in Figure 3, be provided with the crossbeam 19 arranged along described tower body 1 radial direction in described tower window 4, described tower window 4 be divided into upper window and lower window;
Described upper window be equipped with the V-type or U-shaped return wire that arrange in vertical inverted triangle in lower window.
Described U-shaped return wire is connected and composed by wire gold utensil 11 by three insulator strings 10;
Described V-type return wire is connected and composed by wire gold utensil 11 by two insulator strings 10.
As shown in Figure 5, described wire gold utensil 11 is provided with shape is the framework 12 of regular polygon and the wire clamp 13 being arranged on described framework 12 summit;
As shown in Figure 6, described wire clamp 13 is provided with the cross axle 14, elastic 15 and the wire clamp that is made up of wire clip body 16 and wire clamp gland that connect successively;
Described cross axle 14 is flexibly connected with framework 12, and its axial centre is provided with the fixed axis be fixedly connected with described wire clip body 16;
Described elastic 15 is arranged on described cross axle 14 surrounding.
Described insulator string 10 is that surface is provided with the epoxy glass laminate leading-drawing rod of silicon rubber composite material layer and is arranged on the umbrella petticoat insulator of described leading-drawing rod axial direction.
Described power transmission tower surface is coated with anti-corrosion material, and by mass percentage, described anti-corrosion material contains:
Al：0.01～2.2％、Mg：0.01～0.45％、Re：0.06～2.0％、
Cu：0.03～1.5％、Cr：0.08～0.3％、Nb：0.005～0.01％、
Ni:0.006 ~ 0.01%, B:0.002 ~ 0.06%, surplus is Zn and other inevitable impurity.
The pouring concrete of the following component formation that described concrete foundation 6 comprises by mass percentage forms:
Cement, mineral admixture, medium sand, stone, water, anticorrisive agent and naphthalene water reducer: cement, 7% ~ 9%; Mineral admixture, 6% ~ 8%; Medium sand, 30% ~ 33%; Stone, 42% ~ 48%; Water, 7% ~ 8%; Anticorrisive agent, 0.6% ~ 0.7% and naphthalene water reducer be 0.1% ~ 0.2%.
As shown in Figure 4, described cushion cap 7 is provided with the base plate 17, clamped beam 18 and the column foot fixture 20 that set gradually in described concrete foundation 6 upper end;
Described base plate 17 is steel fibre reinforced concrete plate;
Described clamped beam 18 is along described base plate 17 steel concrete lath laterally arranged in parallel, is provided with the bolt be connected with described base plate 17 perpendicular to its axial direction;
Described column foot fixture 20 is provided with fixing vertical columns vertical with described clamped beam 18 and is embedded in the stone bolt arranged with its concentric in described vertical columns.
Described power transmission tower employing model is angle steel or the steel pipe formation of Q235, Q345, Q390, Q420 or Q460.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; and these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, its claim of the present invention all awaited the reply in application is protected within model.
Claims (10)
1. a double loop power transmission tower, described power transmission tower comprises the tower body (1) of vertically setting and is separately positioned on tower head (2) and the basis (3) at the upper and lower two ends of described tower body (1), it is characterized in that:
The earth wire support (5) that described tower head (2) comprises tower window (4), be arranged on described tower window (4) both upper ends thereof and the return wire be arranged in described tower window (4);
Described basis (3) comprises concrete foundation (6) and is arranged on the cushion cap (7) of described concrete foundation (6) upper end.
2. power transmission tower as claimed in claim 1, it is characterized in that, described tower window (4) shape is polygon, and it comprises horizontally disposed cross-arm (8), is symmetricly set on the supporting curved arm (9) of described tower body (1) both sides perpendicular to described cross-arm (8) respectively;
Be provided with in described tower window (4) and become the V-type of upper, middle and lower layer or U-shaped return wire in vertical arrangement.
3. power transmission tower as claimed in claim 2, is characterized in that,
Described U-shaped return wire is connected and composed by wire gold utensil (11) by three insulator strings (10);
Described V-type return wire is connected and composed by wire gold utensil (11) by two insulator strings (10).
4. power transmission tower as claimed in claim 3, is characterized in that, described wire gold utensil (11) comprises framework (12) that shape is regular polygon and is arranged on the wire clamp (13) on described framework (12) summit;
Described wire clamp (13) comprises the cross axle (14), elastic (15) and the wire clamp that is made up of wire clip body (16) and wire clamp gland that connect successively;
Described cross axle (14) is flexibly connected with framework (12), and its axial centre is provided with the fixed axis be fixedly connected with described wire clip body (16);
Described elastic (15) is arranged on described cross axle (14) surrounding.
5. power transmission tower as claimed in claim 3, is characterized in that, described insulator string (10) comprises surface and is provided with the epoxy glass laminate leading-drawing rod of silicon rubber composite material layer and is arranged on the umbrella petticoat insulator of described leading-drawing rod axial direction.
6. power transmission tower as claimed in claim 1, is characterized in that, is provided with the crossbeam (19) arranged along described tower body (1) radial direction, described tower window (4) is divided into upper window and lower window in described tower window (4);
Described upper window be equipped with the V-type or U-shaped return wire that arrange in vertical inverted triangle in lower window.
7. power transmission tower as claimed in claim 1, it is characterized in that, described power transmission tower surface is coated with anti-corrosion material, and by mass percentage, described anti-corrosion material contains:
Al：0.01～2.2％、Mg：0.01～0.45％、Re：0.06～2.0％、
Cu：0.03～1.5％、Cr：0.08～0.3％、Nb：0.005～0.01％、
Ni:0.006 ~ 0.01%, B:0.002 ~ 0.06%, surplus is Zn and other inevitable impurity.
8. power transmission tower as claimed in claim 1, is characterized in that, the pouring concrete of the following component formation that described concrete foundation (6) comprises by mass percentage forms:
Cement, mineral admixture, medium sand, stone, water, anticorrisive agent and naphthalene water reducer: cement, 7% ~ 9%; Mineral admixture, 6% ~ 8%; Medium sand, 30% ~ 33%; Stone, 42% ~ 48%; Water, 7% ~ 8%; Anticorrisive agent, 0.6% ~ 0.7% and naphthalene water reducer be 0.1% ~ 0.2%.
9. power transmission tower as claimed in claim 8, it is characterized in that, described cushion cap (7) is included in base plate (17), clamped beam (18) and the column foot fixture (20) that described concrete foundation (6) upper end sets gradually;
Described base plate (17) is steel fibre reinforced concrete plate;
Described clamped beam (18) is along described base plate (17) steel concrete lath laterally arranged in parallel, is provided with the bolt be connected with described base plate (17) perpendicular to its axial direction;
Described column foot fixture (20) comprises fixing vertical columns vertical with described clamped beam (18) and is embedded in the stone bolt arranged with its concentric in described vertical columns.
10. power transmission tower as claimed in claim 1, is characterized in that, described power transmission tower employing model is angle steel or the steel pipe formation of Q235, Q345, Q390, Q420 or Q460.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796804.1A CN105464446A (en) | 2015-11-18 | 2015-11-18 | Double-loop power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796804.1A CN105464446A (en) | 2015-11-18 | 2015-11-18 | Double-loop power transmission tower |
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| CN105464446A true CN105464446A (en) | 2016-04-06 |
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| CN201510796804.1A Pending CN105464446A (en) | 2015-11-18 | 2015-11-18 | Double-loop power transmission tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368490A (en) * | 2016-08-31 | 2017-02-01 | 国网山东省电力公司莒南县供电公司 | Transmission tower used under corrosion environment |
| CN106760875A (en) * | 2016-12-16 | 2017-05-31 | 国网北京市电力公司 | Parallel erected on same tower earthing pole tower |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002106207A (en) * | 2000-10-02 | 2002-04-10 | Tohoku Electric Power Co Inc | Steel tower raising construction method by slide steel structure and device for the same |
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| CN106760875A (en) * | 2016-12-16 | 2017-05-31 | 国网北京市电力公司 | Parallel erected on same tower earthing pole tower |
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