A kind of anti-high wind composite material combination electric pole of distribution line
Technical field
The present invention relates to a kind of electric pole, in particular to a kind of anti-high wind composite material combination electric pole of distribution line.
Background technology
In recent years, along with urban land growing tension, power load increases sharply, and existing supply network can not meet the needs of power load development, and netting twine road, original city certainly will carry out capacity-increasing transformation, newly-built circuit of going down town.And urban planning authority generally provides narrow high-tension line corridor or utilizes greenbelt as the passage of high-tension overhead line, common self-supporting tower, because root opens width, needs bigger corridor, and the position accounted for is many, is not suitable for setting up in restricted corridor;As laid cable run on same path, then investing very big, construction engineering units is often difficult to accept, and easily by the impact of municipal construction, occurs line accident to be not easy to maintenance;Adopting reinforced concrete pole, it is longitudinal, circumferential crack problem, not can solve always.And the Lightning performance of composite material electric pole and insulating properties are very superior, it is possible to effectively lightning protection, the accident of minimizing thunderbolt destruction electrical network distribution line, and strengthen the safety of livewire work, its promotion and application in distribution line should be expanded.
Compared with traditional Steel material, compound material insulation is good, thus composite material pole tower is not only easy to solve windage yaw and the pollution flashover accident of transmission line of electricity, it is also possible to reduces club head portion size and width of corridor, has environmental friendliness, resource-effective advantage.Composite material pole tower is used for transmission line of electricity, it is possible to save great deal of steel, energy-saving and cost-reducing;Composite material pole tower lighter in weight. compared with same size steel construction shaft tower, tower weight can alleviate more than 20%, it is possible to reduces transport and the assembly cost of shaft tower;Composite material pole tower has the features such as corrosion-resistant, intensity is big, it is possible to decrease the maintenance cost of circuit.
On August 9th, 2010, Fuqing, State Grid Corporation of China's composite material pole tower science and technology item pilot project one Fujian high mountain is to Pingtan advance 110kV line project by 24h by test run, all right, operating steadily, this indicates that First adopts the 110kV transmission line of electricity of lattice composite material pole tower to put into operation successfully.
In recent years, along with the further reduction of composite cost, the continuous progress of combination process, the research of composite material pole tower and application conditions have been provided with, it is achieved operation of power networks is had important practical significance by the popularization of compound electric pole.
But, in existing power transmission and transformation line, the rigidity of composite material electric pole is less, deforms relatively big, and there is the problem that composite material pole tower connects inconvenience under strong wind or icing operating mode.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of anti-high wind composite material combination electric pole of distribution line, increase the comprcssive strength of electric pole, increase the anti-high wind ability of electric pole, and cost is low, transport, installation, maintenance expense less, reduce the width of line corridor simultaneously.
It is an object of the invention to adopt following technical proposals to realize:
A kind of anti-high wind composite material combination electric pole of distribution line provided by the invention, it thes improvement is that: described electric pole includes column 1 and batten plate 2, and quantity arranges described batten plate 2 between the described column 1 more than 1, and described batten plate 2 spaced horizontal arranges.
Wherein, the quantity of described column 1 is 4, and described column 1 adjacent between two is respectively provided with described batten plate 2, and described column 1 is connected by bolt 3 with batten plate 2.
Wherein, described column 1 is the heat absorption plate core structure that cross section is " D " type, and described heat absorption plate core structure includes right angle walls 7 and arcwall 8.
Wherein, described right angle walls 7 is horizontally disposed with screw 9 respectively, and described arcwall 8 is respectively equipped with and is positioned at collinear through hole 10 with described screw 9 axle center.
Wherein, the right angle walls 7 of described heat absorption plate core structure and horizontal plane, the cross-sectional area that described right angle walls 7 and arcwall 8 are constituted successively decreases from the bottom to top successively.
Wherein, described column 1 and batten plate 2 are made by composite, and described composite includes fiber and strengthens resin.
Wherein, described fiber is carbon fiber, and described enhancing resin is polyethylene terephthalate.
Wherein, described column 1 and batten plate 2 surface are respectively provided with coating, and described coating includes stain and age-inhibiting addition.
Wherein, the inside and outside wall of described right angle walls 7 intersection is equipped with chamfering, and the radius of described outer wall chamfering is equal to the thickness of right angle walls 7, and the radius of described inwall chamfering is the 1/3~1/2 of right angle walls 7 thickness;The thickness of described right angle walls 7 is 10~25mm, and the thickness of described arcwall 8 is 6~8mm.
Wherein, described batten plate 2 is rectangle, and described batten plate 2 is provided with the bolt hole matched with screw 9;The thickness of described batten plate 2 is 25~30mm, and length is 150~500mm, and width is 150~200mm.
Wherein, described electric pole includes at the bottom of masthead 6, shaft 5 and the bar from top to bottom set gradually 4, and described masthead 6 is provided with cross-arm and bottom line support, and at the bottom of described bar, 4 are arranged on below level ground;The height of described electric pole is 12~16m, and at the bottom of bar, 4 is highly 2~2.4m, and shaft 5 is highly 10~12m, and masthead 6 is highly 1~1.2m.
With immediate prior art ratio, the present invention reaches following beneficial effect:
1, the anti-high wind composite material combination electric pole of distribution line provided by the invention, adopts 4 composite heat absorption plate core structure to be combined, higher compared with single composite material tube stability, and bearing capacity is bigger, and anti-high wind ability is higher.
2, the anti-high wind composite material combination electric pole of distribution line provided by the invention, the hollow heat absorption plate core structure of employing composite and batten plate greatly reduce the overall weight of electric pole, electric pole gross weight after combination is about 1/3rd of conventional cement bar, it is readily transported and constructs, providing good convenience for ungetable area.
3, the anti-high wind composite material combination electric pole of distribution line provided by the invention, simple in construction, it is simple to the maintaining in installation and debugging and later stage, the composite of employing reduces because of the impact that around electric pole is caused by natural environment, applied widely.
4, the anti-high wind composite material combination electric pole of distribution line provided by the invention, with the addition of stain on electric pole surface, it is possible to regulate the color of electric pole according to surrounding, thus coordinating mutually with natural environment;The age resister added avoids the surrounding erosion to electric pole, improves the service life of electric pole.
5, the anti-high wind composite material combination electric pole of distribution line provided by the invention, scientific structure, bearing capacity is reasonable, it is possible to resist high wind, and decreases the width in transmission of electricity corridor, has saved floor space.
6, the anti-high wind composite material combination electric pole of distribution line provided by the invention, adopt the heat absorption plate core structure that cross-sectional area successively decreases from the bottom to top successively, make the gap between four heat absorption plate core structure of composition electric pole increasing from the bottom to top, facilitate wind from gap traverse, reduce the adverse effect that electric pole is caused by wind.
7, the anti-high wind composite material combination electric pole of distribution line provided by the invention, what heat absorption plate core structure adopted arcwall effectively alleviates the thrust that electric pole is applied by wind, wind is served shunting and the effect of buffering by the bolt hole being respectively provided with in the horizontal direction and through hole, greatly improves the wind resistance of electric pole.
Accompanying drawing explanation
Fig. 1: the structural representation of the anti-high wind composite material combination electric pole of distribution line provided by the invention;
Fig. 2: the cross section structure schematic diagram of composite heat absorption plate core structure provided by the invention;
Fig. 3: composite heat absorption plate core structure provided by the invention face structural representation;
Fig. 4: the cross section structure schematic diagram of the anti-high wind composite material combination electric pole of distribution line provided by the invention;
Wherein: 1, column;2, batten plate;3, bolt;4, at the bottom of bar;5, shaft;6, masthead;7, right angle walls;8, arcwall;9, screw;10, through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The anti-high wind composite material combination electric pole of distribution line that the embodiment of the present invention provides, as shown in Figures 1 to 4, including: at the bottom of column 1, batten plate 2, bolt 3, bar 4, shaft 5, masthead 6, right angle walls 7, arcwall 8, screw 9, through hole 10.Column 1 and batten plate 2 are made by composite, composite includes fiber and strengthens resin, fiber is carbon fiber, enhancing resin is polyethylene terephthalate, the electric pole gross weight adopting composite material combination is about 1/3rd of conventional cement bar, it is readily transported and constructs, providing good convenience for ungetable area;Column 1 and batten plate 2 surface are respectively provided with coating, coating includes stain and age-inhibiting addition, and stain can regulate the color of electric pole according to surrounding, thus coordinating mutually with natural environment, age-inhibiting addition avoids the surrounding erosion to electric pole, improves the service life of electric pole.The quantity of column 1 is 4, and batten plate 2 is horizontally spaced about in the outside of two adjacent upright 1 by bolt 3;Adopting four root posts 1 to be combined, higher compared with single column 1 stability, bearing capacity is bigger, and anti-high wind ability is higher, scientific structure, and bearing capacity is reasonable, it is possible to resist high wind, and decreases the width in transmission of electricity corridor, has saved floor space.
Column 1 is the heat absorption plate core structure that cross section is " D " type, and including right angle walls 7 and arcwall 8, right angle walls 7 is respectively provided with screw 9, and arcwall 8 is respectively equipped with and is positioned at collinear through hole 10 with screw 9 axle center.Right angle walls 7 and horizontal plane, the cross-sectional area that right angle walls 7 is constituted with arcwall 8 successively decreases from the bottom to top successively, and the converging angles β of heat absorption plate core structure is 0.36~0.4 °, it is preferred to 0.38 °.Inside and outside wall in right angle walls 7 intersection is equipped with chamfering, and the radius of outer wall chamfering is equal to the thickness of right angle walls 7, and the radius of inwall chamfering is the 1/3~1/2 of right angle walls 7 thickness, and the thickness of right angle walls 7 is 10~25mm, and the thickness of arcwall 8 is 6~8mm.The radius r of screw 9 is 10mm~15mm, and the radius R of through hole 10 is r+2.5~r+5mm.
Batten plate 2 is rectangle, is provided with the bolt hole matched with screw 9 on batten plate 2;The thickness of batten plate 2 is 25~30mm, and length is 150~500mm, and width is 150~200mm.
Wherein, electric pole includes being arranged at the bottom of the bar of underground 4 and is arranged on shaft 5 on the ground, masthead 6;It is incremented by successively in the spacing at the bottom of bar 4, between shaft 5 and adjacent two column 1 at masthead 6 place;The height of electric pole is 12~16m, and at the bottom of bar, 4 is highly 2~2.4m, and shaft 5 is highly 10~12m, and masthead 6 is highly 1~1.2m;Masthead 6 arranges cross-arm and bottom line support.The spacing between two batten plates 2 up and down at 4 places at the bottom of bar is 1~1.1m, and the spacing between two batten plates 2 up and down at shaft 5 place is 1.2m~1.3m, and the spacing between two batten plates 2 up and down at masthead 6 place is 0.8~1m.
Embodiment 1
Column 1 and batten plate 2 are made by the composite including carbon fiber and enhancing resin, and brush, at column 1 and batten plate 2 surface, the coating including stain and age-inhibiting addition respectively.Column 1 for cross section in the heat absorption plate core structure of " D " type, right angle walls 7 thickness is 20mm, arcwall 8 thickness is 7mm, the radius of the outer wall chamfering in right angle walls 7 intersection is equal to 20mm, the radius of inwall chamfering is 8mm, the radius of screw 9 is 12mm, and the radius of through hole 10 is 15mm, and the converging angles β of heat absorption plate core structure is 0.38 °.Batten plate 2 thickness is 28mm, and length is 400mm, and width is 180mm.
Four columns 1 are arranged in cross section is foursquare electric pole corner, installs batten plate 2 by galvanized bolt 3 interval outside two adjacent upright 1.
The length of electric pole is 15m, and the length of 4 parts at the bottom of buried bar is 2m, and the length of shaft 5 part is 12m, and the length of masthead 6 part is 1m;The spacing between two batten plates 2 up and down at 4 places at the bottom of bar is 1m, and the spacing between two batten plates 2 up and down at shaft 5 place is 1.25m, and the spacing between two batten plates 2 up and down at masthead 6 place is 0.8m.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit; those of ordinary skill in the field are to be understood that; the specific embodiment of the present invention can being modified with reference to above-described embodiment or equivalent replacement, these are all being applied within the claims awaited the reply without departing from any amendment or equivalent replacement of spirit and scope of the invention.