CN208329816U - Extra high voltage network and its EHV transmission strain insulator steel tower - Google Patents
Extra high voltage network and its EHV transmission strain insulator steel tower Download PDFInfo
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- CN208329816U CN208329816U CN201820653113.5U CN201820653113U CN208329816U CN 208329816 U CN208329816 U CN 208329816U CN 201820653113 U CN201820653113 U CN 201820653113U CN 208329816 U CN208329816 U CN 208329816U
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Abstract
The utility model relates to a kind of extra high voltage network and its EHV transmission strain insulator steel towers.Wherein, the EHV transmission strain insulator steel tower, including tower body, the ground wire cross biling assembly including the first ground wire cross-arm and the second ground wire cross-arm, ground connection polar curve cross biling assembly, the conducting wire wire jumper cross biling assembly including the first conducting wire wire jumper cross-arm and the second conducting wire wire jumper cross-arm, the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion including the first ground connection polar curve cross-arm and the second ground connection polar curve cross-arm.First conducting wire wire jumper cross-arm and the second conducting wire wire jumper cross-arm are arranged at intervals at tower body side identical with the first ground wire cross-arm along tower body length direction.First wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion are arranged at intervals at tower body along the length direction of tower body.The utility model additionally provides a kind of extra high voltage network.Therefore, above-mentioned EHV transmission strain insulator steel tower has lesser area occupied, so that the area occupied of extra high voltage network is smaller.
Description
Technical field
The utility model relates to transmission facility technical field more particularly to a kind of extra high voltage network and its super-pressure are defeated
Electric strain insulator steel tower.
Background technique
With the continuous growth of power demand, large capacity, voltage levels transmission line of electricity are rapidly developed.Accordingly
Electric power pylon tends to enlargement, and pole and tower design load is also increasing.Since China's land resource is in short supply, line route selection,
The removal problem of the facilities such as house is also on the rise along the line.In order to alleviate the contradiction of power transmission line corridor and land resource, will surpass
High voltage conducting wire and the ground connection limit are arranged with tower.It is in electric power line steel tower in extra-high voltage conducting wire and the ground connection same Deethanizer design of the limit
Tower head on be provided with conducting wire cross-arm for fixing extra-high voltage conducting wire and the ground connection polar curve cross-arm for installing ground connection polar curve.
Extra-high voltage conducting wire in general extra high voltage network is in the horizontally arranged two sides in electric power pylon.At this point,
The width of power transmission line corridor depend primarily on the interpolar between two polar conductors away from.In order to meet the electromagnetism of extra-high voltage transmission line of electricity
Environment, the air gap etc., interpolar is away from still can be bigger.Therefore, the line corridor width of extra-high voltage transmission line of electricity is excessive, makes
The area occupied for obtaining extra high voltage network is excessive.
Utility model content
Based on this, it is necessary to for the big problem of the area occupied of traditional extra high voltage network, provide a kind of occupancy
The small extra high voltage network of area and its EHV transmission strain insulator steel tower.
A kind of EHV transmission strain insulator steel tower, comprising:
Tower body plays a supportive role；
Ground wire cross biling assembly, including the first ground wire cross-arm and the second ground wire cross-arm, the first ground wire cross-arm and described
Two ground wire cross-arms are respectively arranged in the two sides at the top of the tower body；
It is grounded polar curve cross biling assembly, including the first ground connection polar curve cross-arm and the second ground connection polar curve cross-arm, first ground connection
Polar curve cross-arm and the second ground connection polar curve cross-arm are respectively arranged in the two sides of the tower body, and the first ground connection polar curve cross-arm
It is located at the same side of the tower body, the second ground connection polar curve cross-arm and the second ground wire cross-arm with the first ground wire cross-arm
Positioned at the same side of the tower body；
Conducting wire wire jumper cross biling assembly, including the first conducting wire wire jumper cross-arm and the second conducting wire wire jumper cross-arm, first conducting wire
Wire jumper cross-arm and the second conducting wire wire jumper cross-arm are arranged at intervals at the tower body and described first along the tower body length direction
The identical side of ground wire cross-arm, and be located between the first ground wire cross-arm and the first ground connection polar curve cross-arm；
First wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion, the first wire tension-resistant string mounting portion and
Second wire tension-resistant string mounting portion is arranged at intervals at the tower body along the length direction of the tower body；
Wherein, the first wire tension-resistant string installation position is in the first conducting wire wire jumper cross-arm towards second conducting wire
The side of wire jumper cross-arm, the second wire tension-resistant string installation position is in the second conducting wire wire jumper cross-arm towards the tower body bottom
The side in portion.
The length of the first ground wire cross-arm is greater than the length of the second ground wire cross-arm in one of the embodiments,.
The first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion in one of the embodiments,
The distance between be more than or equal to 18m.
The first ground connection polar curve cross-arm is provided with first far from one end of the tower body and connects in one of the embodiments,
Ground polar curve strain insulator-string mounting portion, it is resistance to that the second ground connection polar curve cross-arm far from one end of the tower body is provided with the second ground connection polar curve
String mounting portion, it is described first ground connection polar curve strain insulator-string mounting portion and it is described second ground connection polar curve strain insulator-string mounting portion respectively with institute
The distance that the second wire tension-resistant string mounting portion is stated along the tower body length direction is more than or equal to 15m.
The side of the first conducting wire wire jumper cross-arm towards the tower body bottom is provided in one of the embodiments,
One conducting wire wire jumper mounting portion, the side of the second conducting wire wire jumper cross-arm towards the tower body bottom are provided with the second conducting wire wire jumper
Mounting portion.
The first wire tension-resistant string mounting portion and the first conducting wire wire jumper mounting portion edge in one of the embodiments,
The distance of the length direction of the tower body is more than or equal to 3m, the second wire tension-resistant string mounting portion and second conducting wire
Wire jumper mounting portion is more than or equal to 3m along the distance of the length direction of the tower body.
The first wire tension-resistant insulator is provided on the first wire tension-resistant string mounting portion in one of the embodiments,
String, the second wire tension-resistant string mounting portion are provided with the second wire tension-resistant insulator chain；The first ground connection polar curve strain insulator-string
Mounting portion is provided with the first ground connection polar curve insulator chain, and the second ground connection polar curve strain insulator-string mounting portion is provided with the second earthing pole
Line insulator chain；The first conducting wire wire jumper mounting portion is provided with the first conducting wire wire jumper insulator chain, the second conducting wire wire jumper
Mounting portion is provided with the second conducting wire wire jumper insulator chain.
The first ground wire cross-arm and the second ground wire cross-arm are respectively arranged with ground wire extension in one of the embodiments,
Point.
The tower body is the four prism type frame structure being spliced to form by steel pipe in one of the embodiments,.
A kind of extra high voltage network, comprising:
EHV transmission strain insulator steel tower；
Two polar conductors are fixed with the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion respectively
Connection；
Two ground wires are fixedly connected with the first ground wire cross-arm and the second ground wire cross-arm respectively；And
The two poles of the earth are grounded polar curve, fix and connect with the first ground connection polar curve cross-arm and the second ground connection polar curve cross-arm respectively
It connects.
Above-mentioned extra high voltage network and its EHV transmission strain insulator steel tower mainly include tower body and conducting wire wire jumper cross-arm group
Part.Wherein, conducting wire wire jumper cross biling assembly includes the first conducting wire wire jumper cross-arm and the second conducting wire wire jumper cross-arm.First conducting wire wire jumper is horizontal
Load and the second conducting wire wire jumper cross-arm are arranged at intervals at the same side of tower body along tower body length direction.If tower body is installed on ground,
The length direction of tower body is vertical direction.That is the first conducting wire wire jumper cross-arm is spaced along the vertical direction with the second conducting wire wire jumper cross-arm and sets
It is placed in the same side of tower body, so that the reduced width of EHV transmission strain insulator steel tower, and then greatly reduce ultra high-tension transmission line
The area occupied on road.Since the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion are along tower body length direction interval
It is set to tower body.At this point, the first wire tension-resistant string mounting portion is vertically arranged with the second wire tension-resistant string mounting portion, so that installation
It also arranges, has further reduced super vertically in the conducting wire on the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion
The area occupied of ultra-high-tension power transmission line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of EHV transmission strain insulator steel tower in the utility model preferred embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
The utility model provides a kind of extra high voltage network and its EHV transmission strain insulator steel tower.
Referring to Fig. 1, the extra high voltage network (not shown) in the utility model preferred embodiment includes multiple superelevation
Pressure transmission of electricity strain insulator steel tower 100, two polar conductor (not shown), two ground wire (not shown) and the two poles of the earth ground connection polar curve (figure is to show).
EHV transmission strain insulator steel tower 100 mainly plays a supportive role.Under normal circumstances, EHV transmission strain insulator steel tower 100
Structure type mainly use steel structural form.
Conducting wire is EHV transmission conducting wire, generally aluminium material twisted wire.In order to guarantee conducting wire and EHV transmission strain insulator iron
The electrical distance of tower 100 is electrically insulated between conducting wire and super-pressure strain insulator steel tower 100.
In extra high voltage network, ground wire is generally set up in the top of conducting wire, mainly plays lightning protection, i.e. ground wire is main
For shielding aerial thunder and lightning, to guarantee transmission of electricity safety of the conducting wire in extra high voltage network in electricity transmission process.
It is electrically insulated between ground connection polar curve and EHV transmission strain insulator steel tower 100.Ground connection polar curve is that connection EHV transmission is resistance to
The insulated circuit of Zhang Tieta 100 and earthing pole are to be formed greatly when direct current system is needed using monopolar operation with earthing pole
Ground reflux type.
Wherein, EHV transmission strain insulator steel tower 100 includes tower body 110, ground wire cross biling assembly 120, ground connection polar curve cross-arm group
Part 130, conducting wire wire jumper cross biling assembly 140, the first wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion 160.
Tower body 110 mainly plays a supportive role.Tower body 110 is generally the frame being spliced to form by metal materials such as angle steel, steel pipes
Shape structure.When tower body 110 is under the environment such as strong wind, frame like structure has good resistive effect, ensure that tower body 110 exists
Safety under the adverse circumstances such as strong wind.
Further, in the present embodiment, tower body 110 is the four prism type frame structure being spliced to form by steel pipe.Due to
Steel pipe thus greatly reduces building for tower body 110 so that material is more saved in the construction of tower body 110 for hollow tubular structure
This is caused, so that the construction cost of EHV transmission strain insulator steel tower 110 is lower.
Ground wire cross biling assembly 120 includes the first ground wire cross-arm 121 and the second ground wire cross-arm 122.First ground wire cross-arm 121 and
Second ground wire cross-arm 122 is respectively arranged in the two sides at 110 top of tower body.Ground wire cross biling assembly 120 mainly plays fixed function.First
Ground wire cross-arm 121 and the second ground wire cross-arm 122 all can be the frame-shaped knot of triangle by the vertical section that steel pipe is spliced to form
Structure.And due to the effect of steel pipe, material when the first ground wire cross-arm 121 of manufacture and the second ground wire cross-arm 122 is greatly saved, from
And the construction cost of EHV transmission strain insulator steel tower 100 is reduced, and then significantly reduce building for extra high voltage network
Cause this.
In extra high voltage network.Two ground wires are fixed with the first ground wire cross-arm 121 and the second ground wire cross-arm 122 respectively
Connection.When EHV transmission strain insulator steel tower 110 is installed on ground, it is set to the first ground wire cross-arm of 110 top two sides of tower body
121 and second ground wire cross-arm 122 be in horizontal distribution, so ground wire is also in horizontal arrangement.
It is appreciated that in other embodiments, the first ground wire cross-arm 121 and the second ground wire cross-arm 122 can also be for by angles
The vertical section that steel, steel plate strip are spliced to form is the frame like structure of triangle, as long as being able to achieve ground wire cross biling assembly 120 fixedly
The function of line.
Further, in the present embodiment, the first ground wire cross-arm 121 and the second ground wire cross-arm 122 are respectively arranged with ground wire
Hanging point (not shown).In extra high voltage network, two ground wires pass through ground wire hanging point and the first ground wire cross-arm 121 and respectively
Two ground wire cross-arms 122 are fixedly connected.The application of ground wire hanging point, so that ground wire is removably pacified with the realization of ground wire cross biling assembly 120
Dress, so that the installation of ground wire and ground wire cross biling assembly 120 is more convenient.
It is grounded polar curve cross biling assembly 130, including the first ground connection polar curve cross-arm 131 and the second ground connection polar curve cross-arm 132.First
Ground connection polar curve cross-arm 131 and the second ground connection polar curve cross-arm 132 are respectively arranged in the two sides of tower body 110, and the first ground connection polar curve is horizontal
Load 131 and the first ground wire cross-arm 121 are located at the same side of tower body 110, the second ground connection polar curve cross-arm 132 and the second ground wire cross-arm
122 are located at the same side of tower body 110.Therefore, the first ground connection polar curve cross-arm 131 and the second ground connection polar curve cross-arm 132 are set in level
The two sides of tower body 110 are placed in, and it is identical as the installation direction of ground wire cross biling assembly 120 to be grounded polar curve cross biling assembly 130.Moreover,
First ground connection polar curve cross-arm 131 and the second ground connection polar curve cross-arm 132 all can be cutting by the vertical direction that steel pipe is spliced to form
Face is the frame like structure of triangle.Due to the application of steel pipe, the material of manufacture ground connection polar curve cross biling assembly 130 is greatly saved,
So that the manufacturing cost of ground connection polar curve cross-arm 130 reduces, and then significantly reduce the construction cost of extra high voltage network.
In extra high voltage network, two ground connection polar curves are grounded polar curve cross-arm 131 and the second earthing pole with first respectively
Line cross-arm 132 is fixedly connected.Moreover, being electrically insulated between ground connection polar curve and ground connection polar curve cross biling assembly 130.
It is appreciated that in other embodiments, the first ground connection polar curve cross-arm 131 and the second ground connection polar curve cross-arm 132 may be used also
Using the section for the vertical direction being spliced to form by angle steel, steel plate strip etc. as the frame like structure of triangle, as long as being able to achieve ground connection
The function of the dead earth polar curve of polar curve cross biling assembly 13.
Further, in the present embodiment, the length of the first ground wire cross-arm 121 is greater than the first ground connection polar curve cross-arm 131
Length, the length of the second ground wire cross-arm 122 are greater than the length of the second ground connection polar curve cross-arm 132.So being set to the first ground wire cross
Ground wire in load 121 and the second ground wire cross-arm 122 can preferably protection setting connect in the first ground connection polar curve cross-arm 131 and second
Polar curve is grounded from the influence of aerial thunder and lightning on ground polar curve cross-arm 132, and then has ensured the transmission of electricity peace of extra high voltage network
Entirely.
Conducting wire wire jumper cross biling assembly 140 includes the first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142.First
Conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 are arranged at intervals at tower body 110 and first along 110 length direction of tower body
The identical side of ground wire cross-arm 121, and be located between the first ground wire cross-arm 121 and the first ground connection polar curve cross-arm 131.Work as tower body
110 when being installed on ground, and the length direction of tower body 110 is vertical direction, so the first conducting wire wire jumper cross-arm 141 and the second conducting wire
Wire jumper cross-arm 142 is set to tower body side identical with the first ground wire cross-arm 121 in vertical direction.Therefore, the first conducting wire is jumped
Line cross-arm 141 and the second conducting wire wire jumper cross-arm 142 are set to the same side of tower body 110, substantially reduce EHV transmission strain insulator
The electrical width of corridor of steel tower 100, and then greatly reduce the area occupied of extra high voltage network.
It is vertical that first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 all can be spliced to form by steel pipe
The section in direction is the frame like structure of triangle.Due to the application of steel pipe, manufacture conducting wire wire jumper cross biling assembly 140 is greatly saved
Material so that the manufacturing cost of conducting wire wire jumper cross-arm 140 reduces, and then significantly reduce the construction of extra high voltage network
Cost.
It is appreciated that in other embodiments, the first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 may be used also
Using the section for the vertical direction being spliced to form by angle steel, steel plate strip etc. as the frame like structure of triangle, as long as being able to achieve conducting wire
The fixed function of wire jumper cross biling assembly 140.
First wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion 160 are between the length direction of tower body 110
Every being set to tower body 110.When tower body 110 is installed on ground, the length direction of tower body 110 is vertical direction, so first leads
Line strain insulator-string mounting portion 150 and the second wire tension-resistant string mounting portion 160 are in vertical arrangement.In extra high voltage network, the two poles of the earth
Conducting wire is fixedly connected with the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion respectively.So two polar conductors are also in
Vertical arrangement, has further reduced the area occupied of extra high voltage network.
First wire tension-resistant string mounting portion 150 is located at the first conducting wire wire jumper cross-arm 141 towards the second conducting wire wire jumper cross-arm 142
Side, the second wire tension-resistant string mounting portion 160 is located at side of the second conducting wire wire jumper cross-arm 142 towards 110 bottom of tower body.When
When tower body 110 is installed on ground, the first wire tension-resistant string mounting portion 150 is horizontal lower than the first conducting wire wire jumper in the position of tower body 110
Load 141, the second wire tension-resistant string mounting portion 160 are lower than the second conducting wire wire jumper cross-arm 142 in the position of tower body 110.
In extra high voltage network, two conducting wire wire jumper (not shown) respectively with the first conducting wire wire jumper cross-arm 141 and
Two conducting wire wire jumper cross-arms 142 are fixedly connected.Wherein, conducting wire wire jumper is to make way for 100 two sides of EHV transmission strain insulator steel tower
Same polar conductor connection.And the first conducting wire wire jumper cross-arm 141 is pacified in the setting position of tower body 110 higher than the first wire tension-resistant string
Second conducting wire wire jumper cross-arm 142 is higher than the second wire tension-resistant string mounting portion in the setting position of tower body by the position in dress portion 150
160 position, so that the height of tower body 110 guarantees the electrical safety distance of wire jumper over the ground under the premise of not increased.
Since the first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 are arranged at intervals at tower body in vertical direction
110 the same side greatly reduces the electrical width of corridor of EHV transmission strain insulator steel tower 100, so that EHV transmission
The area occupied of route reduces.Further, by the first wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion
160 are vertically arranged at tower body 110, so that arriving wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion 160 with first
Two polar conductors being fixedly connected have further reduced the area occupied of extra high voltage network in vertical distribution.
In the present embodiment, the length of the first ground wire cross-arm 121 is greater than the length of the second ground wire cross-arm 122.
Since the side of the second ground wire cross-arm 122 only has the second ground connection polar curve cross-arm 132, and the first ground connection polar curve cross-arm
131 and second ground connection polar curve cross-arm 132 length it is smaller.So for protective grounding polar curve, the second ground wire cross-arm 122
As long as length be greater than second ground connection polar curve cross-arm 132 length.And tower body 110 is in 121 side of the first ground wire cross-arm
Vertical direction is disposed with the first conducting wire wire jumper cross-arm 141, the second conducting wire wire jumper cross-arm 142 and the first ground connection polar curve cross-arm
131, and since the length of the first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 is longer, in order to protect conducting wire to jump
Line, the length of the first ground wire cross-arm 121 must be greater than conducting wire wire jumper to the distance of tower body 110.So the first ground wire cross-arm
121 length is greater than the length of the second ground wire cross-arm 122, and then efficiently reduces the electricity of EHV transmission strain insulator steel tower 100
Gas width of corridor.
In order to meet electrical safety distance, in the present embodiment, the first wire tension-resistant string mounting portion 150 is resistance to the second conducting wire
It opens the distance between string mounting portion 160 and is more than or equal to 18m.When the first wire tension-resistant string mounting portion 150 is resistance to the second conducting wire
When string the distance between mounting portion 160 is more than or equal to 18m, just can guarantee electrical safety of the conducting wire in electricity transmission process away from
From so that extra high voltage network being capable of safe and stable operation.
Further, in the present embodiment, the first wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion
The distance between 160 be 19m.In the case where varying environment temperature and windage yaw wave operating condition, above-mentioned distance is in the electrical peace for meeting conducting wire
In the case where full distance, the construction cost of extra high voltage network is reduced.
For the electrical safety distance for meeting conducting wire and being grounded between polar curve, in the present embodiment, the first ground connection polar curve is horizontal
131 one end far from tower body 110 of load are provided with the first ground connection polar curve strain insulator-string mounting portion 133, and the second ground connection polar curve cross-arm 132 is remote
One end from tower body 110 is provided with the second ground connection polar curve strain insulator-string mounting portion 134, the first ground connection polar curve strain insulator-string mounting portion 133
And second ground connection polar curve strain insulator-string mounting portion 134 respectively with the second wire tension-resistant string mounting portion 160 along 110 length direction of tower body
Distance is more than or equal to 15m.When tower body 110 is installed on ground, the length direction of tower body 110 is vertical direction, and first connects
Ground polar curve strain insulator-string mounting portion 133 and the second ground connection polar curve strain insulator-string mounting portion 134 are respectively to the second wire tension-resistant string mounting portion
160 vertical distance is more than or equal to 15m, so that there is suitable electrical safety distance between conducting wire and ground connection polar curve, with
Guarantee that extra high voltage network can be safely and steadily run.
Further, in the present embodiment, the first ground connection polar curve strain insulator-string mounting portion 133 and the second ground connection polar curve strain insulator-string
Mounting portion 134 is respectively 17m at a distance from 110 length direction of tower body with the second wire tension-resistant string mounting portion 160.In varying environment
Temperature and windage yaw are waved under operating condition, and above-mentioned distance is in the case where meeting conducting wire and the electrical safety being grounded between polar curve, effectively
Ground reduces the construction cost of EHV transmission strain insulator steel tower 100, thereby reduces the construction cost of extra high voltage network.
In the present embodiment, the side of the first conducting wire wire jumper cross-arm 141 towards 110 bottom of tower body is provided with the jump of the first conducting wire
Line mounting portion 143, the side of the second conducting wire wire jumper cross-arm 142 towards 110 bottom of tower body are provided with the second conducting wire wire jumper mounting portion
144.Further, EHV transmission strain insulator steel tower 100 further includes the first conducting wire wire jumper (not shown) and the second conducting wire wire jumper (figure
Do not show), the first conducting wire wire jumper is installed on the first conducting wire wire jumper mounting portion 143, and the second conducting wire wire jumper is installed on the second conducting wire wire jumper
Mounting portion 144, to guarantee the electrical safety distance of current-carrying part on conducting wire and EHV transmission strain insulator steel tower 100.
Further, in the present embodiment, the first wire tension-resistant string mounting portion 150 and the first conducting wire wire jumper mounting portion 143
Distance along the length direction of tower body 110 is more than or equal to 3m, the second wire tension-resistant string mounting portion 160 and the second conducting wire wire jumper
Mounting portion 144 is more than or equal to 3m along the distance of the length direction of tower body 110.In the tower for not increasing transmission of electricity strain insulator steel tower 100
In the case where height, the position of wire jumper is promoted, so that the distance of wire jumper over the ground is improved, and then ensure that ultra high-tension transmission line
Road can be safely and steadily run.
Further, in the present embodiment, to be provided with the first wire tension-resistant on the first wire tension-resistant string mounting portion 150 exhausted
Edge substring (not shown), the second wire tension-resistant string mounting portion 160 are provided with the second wire tension-resistant insulator chain (not shown)；First
Ground connection polar curve strain insulator-string mounting portion 133 is provided with the first ground connection polar curve insulator chain (not shown), the second ground connection polar curve strain insulator-string
Mounting portion 134 is provided with the second ground connection polar curve insulator chain (not shown)；First conducting wire wire jumper mounting portion 143 is provided with first and leads
Line wire jumper insulator chain 145, the second conducting wire wire jumper mounting portion 144 are provided with the second conducting wire wire jumper insulator chain 146.
Wherein, insulator chain is that two or more insulator elements are combined, the component of flexible suspension conducting wire.Absolutely
Edge substring is mainly used for hanging conducting wire and conducting wire and electric power pylon and the earth is made to insulate.Therefore, the first conducting wire wire jumper insulator chain
145 and second conducting wire wire jumper insulator chain 146 application so that wire jumper and EHV transmission strain insulator steel tower 100 insulate；First connects
The application of ground polar curve insulator chain and the second ground connection polar curve insulator chain, so that ground connection polar curve and EHV transmission strain insulator steel tower
100 insulation；First wire tension-resistant insulator chain and the second wire tension-resistant insulator chain make conducting wire and EHV transmission strain insulator iron
Tower 100 insulate.
Further, in the present embodiment, the first ground connection polar curve insulator chain and the second ground connection polar curve insulator chain is dry
Arc distance is from more than or equal to 2.55m.Wherein, dry arcing distance be in insulator chain between two neighboring insulator element away from
From.The dry arcing distance of above-mentioned insulator chain can enhance the dielectric strength of ground connection polar curve, improve EHV transmission strain insulator steel tower 100
Lightning performance, to avoid occur as conducting wire shielding dodge fall caused by ground connection polar curve induction sudden strain of a muscle fall.
In extra high voltage network, conducting wire wire jumper is respectively arranged in the first conducting wire wire jumper insulator chain 145 and second and leads
Line wire jumper insulator chain 146 so that conducting wire wire jumper and EHV transmission strain insulator steel tower 100 insulate, and then ensure that conducting wire wire jumper
With the electrical safety distance of tower body 110.Two polar conductors are respectively arranged in the first wire tension-resistant insulator chain and the second wire tension-resistant
Insulator chain so that conducting wire and tower body 110 insulate, and then ensure that the electrical safety distance between conducting wire and tower body 110.The two poles of the earth
Ground connection polar curve is fixedly connected with the first ground connection polar curve insulator chain and the second ground connection polar curve insulator chain respectively, to be grounded pole
The insulation of line and tower body 110, and then ensure that the electrical safety distance of ground connection polar curve and tower body 110.
Above-mentioned extra high voltage network and its EHV transmission strain insulator steel tower 100 mainly include tower body 110, conducting wire wire jumper
Cross biling assembly 140.Wherein, conducting wire wire jumper cross biling assembly 140 includes the first conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm
142.First conducting wire wire jumper cross-arm 141 and the second conducting wire wire jumper cross-arm 142 are arranged at intervals at tower body along 110 length direction of tower body
110 the same side.If tower body 110 is installed on ground, the length direction of tower body 110 is vertical direction.That is the first conducting wire wire jumper
Cross-arm 141 and the second conducting wire wire jumper cross-arm 142 are arranged at intervals at the same side of tower body 110 along the vertical direction, so that super-pressure is defeated
The reduced width of electric strain insulator steel tower 100, and then greatly reduce the area occupied of extra high voltage network.Since the first conducting wire is resistance to
It opens string mounting portion 150 and the second wire tension-resistant string mounting portion 160 and is arranged at intervals at tower body 110 along 110 length direction of tower body.This
When, the first wire tension-resistant string mounting portion 150 is vertically arranged with the second wire tension-resistant string mounting portion 160, so that being installed on first
Conducting wire on wire tension-resistant string mounting portion 150 and the second wire tension-resistant string mounting portion 150 is also arranged vertically, has been further reduced super
The area occupied of ultra-high-tension power transmission line.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of EHV transmission strain insulator steel tower characterized by comprising
Tower body plays a supportive role；
Ground wire cross biling assembly, including the first ground wire cross-arm and the second ground wire cross-arm, the first ground wire cross-arm and second ground
Line cross-arm is respectively arranged in the two sides at the top of the tower body；
It is grounded polar curve cross biling assembly, including the first ground connection polar curve cross-arm and the second ground connection polar curve cross-arm, the first ground connection polar curve
Cross-arm and the second ground connection polar curve cross-arm are respectively arranged in the two sides of the tower body, and the first ground connection polar curve cross-arm and institute
The same side that the first ground wire cross-arm is located at the tower body is stated, the second ground connection polar curve cross-arm is located at the second ground wire cross-arm
The same side of the tower body；
Conducting wire wire jumper cross biling assembly, including the first conducting wire wire jumper cross-arm and the second conducting wire wire jumper cross-arm, the first conducting wire wire jumper
Cross-arm and the second conducting wire wire jumper cross-arm are arranged at intervals at the tower body and first ground wire along the tower body length direction
The identical side of cross-arm, and be located between the first ground wire cross-arm and the first ground connection polar curve cross-arm；
First wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion, the first wire tension-resistant string mounting portion and second
Wire tension-resistant string mounting portion is arranged at intervals at the tower body along the length direction of the tower body；
Wherein, the first wire tension-resistant string installation position is in the first conducting wire wire jumper cross-arm towards the second conducting wire wire jumper
The side of cross-arm, the second wire tension-resistant string installation position is in the second conducting wire wire jumper cross-arm towards the tower body bottom
Side.
2. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the length of the first ground wire cross-arm
Greater than the length of the second ground wire cross-arm.
3. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the first wire tension-resistant string installation
The distance between portion and the second wire tension-resistant string mounting portion are more than or equal to 18m.
4. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the first ground connection polar curve cross-arm is remote
One end from the tower body is provided with the first ground connection polar curve strain insulator-string mounting portion, and the second ground connection polar curve cross-arm is far from the tower
One end of body is provided with the second ground connection polar curve strain insulator-string mounting portion, the first ground connection polar curve strain insulator-string mounting portion and described second
It is big at a distance from the tower body length direction with the second wire tension-resistant string mounting portion respectively to be grounded polar curve strain insulator-string mounting portion
In or equal to 15m.
5. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the first conducting wire wire jumper cross-arm court
The side of the tower body bottom is provided with the first conducting wire wire jumper mounting portion, the second conducting wire wire jumper cross-arm is towards the tower body
The side of bottom is provided with the second conducting wire wire jumper mounting portion.
6. EHV transmission strain insulator steel tower according to claim 5, which is characterized in that the first wire tension-resistant string installation
Portion is more than or equal to 3m with the first conducting wire wire jumper mounting portion at a distance from the length direction of the tower body, and described second leads
Line strain insulator-string mounting portion is more than or equal at a distance from the length direction of the tower body with the second conducting wire wire jumper mounting portion
3m。
7. EHV transmission strain insulator steel tower according to claim 5, which is characterized in that the first wire tension-resistant string installation
The first wire tension-resistant insulator chain is provided in portion, the second wire tension-resistant string mounting portion is provided with the insulation of the second wire tension-resistant
Substring；The first ground connection polar curve strain insulator-string mounting portion is provided with the first ground connection polar curve insulator chain, the second ground connection polar curve
Strain insulator-string mounting portion is provided with the second ground connection polar curve insulator chain；The first conducting wire wire jumper mounting portion is provided with the jump of the first conducting wire
Line insulator chain, the second conducting wire wire jumper mounting portion are provided with the second conducting wire wire jumper insulator chain.
8. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the first ground wire cross-arm and described
Second ground wire cross-arm is respectively arranged with ground wire hanging point.
9. EHV transmission strain insulator steel tower according to claim 1, which is characterized in that the tower body is to splice shape by steel pipe
At four prism type frame structure.
10. a kind of extra high voltage network characterized by comprising
Multiple EHV transmission strain insulator steel towers as described in any one of claim 1 to 9；
Two polar conductors are fixed with the first wire tension-resistant string mounting portion and the second wire tension-resistant string mounting portion connect respectively
It connects；
Two ground wires are fixedly connected with the first ground wire cross-arm and the second ground wire cross-arm respectively；And
The two poles of the earth are grounded polar curve, are fixedly connected respectively with the first ground connection polar curve cross-arm and the second ground connection polar curve cross-arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653113.5U CN208329816U (en) | 2018-05-02 | 2018-05-02 | Extra high voltage network and its EHV transmission strain insulator steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653113.5U CN208329816U (en) | 2018-05-02 | 2018-05-02 | Extra high voltage network and its EHV transmission strain insulator steel tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208329816U true CN208329816U (en) | 2019-01-04 |
Family
ID=64776259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820653113.5U Active CN208329816U (en) | 2018-05-02 | 2018-05-02 | Extra high voltage network and its EHV transmission strain insulator steel tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208329816U (en) |
-
2018
- 2018-05-02 CN CN201820653113.5U patent/CN208329816U/en active Active
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