CN206035064U - Steel pylons suitable for adopt influence district - Google Patents
Steel pylons suitable for adopt influence district Download PDFInfo
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- CN206035064U CN206035064U CN201620965076.2U CN201620965076U CN206035064U CN 206035064 U CN206035064 U CN 206035064U CN 201620965076 U CN201620965076 U CN 201620965076U CN 206035064 U CN206035064 U CN 206035064U
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Abstract
The utility model discloses a steel pylons suitable for adopt influence district, including tower leg, body of the tower, wire cross arm, ground wire support and quadrangle transform structure. The utility model discloses a three point support's static determinacy, elasticity steel construction adopt bolted splice to connect, and the internal stress of component is not influenced by accidental column foot displacement, and displacement main, material bolted connection to one side has congenital anti not uniform settlement's ability to the influence of component internal stress also corresponding reducing, is applicable to the engineering by way of adopting the influence district, the utility model discloses reduce by a face than quadrangle tower, body of the tower component figure reduces 25% at least, and basis of corresponding reduction reduces processing, the construction degree of difficulty for the project progress, to the two transmission line engineering that return of 220kV, adopt the utility model discloses can the tower weight be light by 5% does 9%, the foundation engineering expense reduce 4% 9%, when receiving external condition restriction (if restriction column foot corridor width ), in the time of must adopting narrow basic steel pipe tower, adopt the utility model discloses can the tower weight be light by 10% 12%, foundation engineering expense reducible 10% 15%, column foot expropriation of land scope is reducible more than 35%.
Description
Technical field
This utility model belongs to power industry electrical network electricity consumption tower technology field, and in particular to a kind of suitable for mining influence area
Electric power pylon.
Background technology
As the high speed development of power grid construction, line corridor day are becoming tight, transmission line of electricity is limited by external condition, high-tension electricity
Problem of the net by way of mining influence area is outstanding day by day.Mining influence area leaves large-area mined out Mian Ji lanes after referring to mining
Road, due to the time that complex geologic conditions are changeable, size pit mining method is various, various Exploitation Status influence each other or exploit
Process and the not equal reason of depression situation, make covering layer on ore body lose support, and surrounding rock body loses original poised state,
Bending is produced therewith or ruptured, caved in, cause earth's surface to produce differential settlement.At present, China's ultra-high-tension power transmission line self-supporting
The cross section of steel tower tower body is square, and four-point supporting is redundant structure, and the differential settlement of four lower limbs will make component not
It is evitable to produce constraint secondary stress.And it is general all larger to constrain secondary stress, steel tower is gently then made to occur substantially to deform, it is heavy then make office
There is destruction, the serious safe operation for threatening transmission line of electricity in portion's component.It is after steel tower deformation is monitored, general using " lengthening ground
The method of foot bolt protruded length " and " replacement column foot ", by hydraulic jack, jacking tower leg adds pad or replaces new tower
Foot, makes shaft tower restore to the original state as far as possible.The steel tower deformation method for correcting error of such " first run, afterwards administer " is not only costly, effect
It is really poor, and the operation under electrification in high voltage, enforcement difficulty is greatly and with obvious potential safety hazard.Therefore, develop one kind and adopt shadow
The technical scheme that the newly-built electric power pylon in area is suitable for is rung, to ensureing that line security operation, expanding economy and society stablize, is had
There are important meaning and practical engineering application value.
The content of the invention
It is high that the technical problems to be solved in the utility model is to provide the mining influence area that a kind of tower body section is triangle
The new tower of pressure transmission of electricity.
This utility model solves above-mentioned technical problem by the following technical programs,
A kind of electric power pylon suitable for mining influence area, including tower leg, tower body, wire cross-arm, earth wire support and four sides
Shape transformational structure, it is characterised in that
The tower body any level cross section is in equilateral triangle,
The tower leg is fixedly mounted on the bottom of the tower body, three of equilateral triangle in tower body bottom level cross section
Drift angle；Steel tower supported at three point is statically determinate structure；
The wire cross-arm is fixedly connected by the tetragon transformational structure with the tower body；Pacify on the wire cross-arm
Dress is fixedly connected the insulator chain of wire；
The tetragon transformational structure is made up of the upper and lower bottom surface that horizontal cross-section is tetragon that be arranged in parallel；
The bottom surface with one side of the tower body equilateral triangle level cross-sectionn as the first long side, with the top at base two ends
Angle is fulcrum the first summit and the second summit respectively as bottom surface, sets up two tetragon transformational structures perpendicular to base
Minor face, the 3rd drift angle with the equilateral triangle relative with base set up the second length of two minor faces of a connection as fulcrum
Side, the two ends on the second long side are the 3rd summit and the 4th summit；
First bottom surface is located at the top of the second bottom surface, and is fixedly connected by connector.
Pass through connector as the tower body of optimization, the 3rd summit of the bottom surface and the 4th summit and above and or below
Connection；
As optimization, during as anchor support, a base Transmission Lines with Parallel Sections line of the equilateral triangle of tower body horizontal cross-section is made
Road direction of advance and as corner on the inside of, it is ensured that on the inside of corner, two main materials are pressurized, a main material tension on the outside of corner, will be abundant
Play its architectural characteristic.
As optimization, during as pendency tower, a base vertical power transmission line of the equilateral triangle of tower body horizontal cross-section is made
Road direction of advance, it is ensured that three drift angle uniform-compressions of tower body.
This utility model makes full use of the mechanical characteristic of " iron triangle ", when solving tetragon steel tower generation differential settlement,
Constraint secondary stress is produced, a difficult problem for transmission line safety operation is threatened.Compared to traditional tower, there is this utility model constraint to answer
Power is little, floor space is few, can give full play to, be easy to many advantages, such as processing and install from heavy and light, low cost, material potential.
Description of the drawings
Fig. 1 is the pendency tower front view of this utility model embodiment 1.
Fig. 2 is the pendency tower rearview of this utility model embodiment 1.
Fig. 3 is the pendency tower A-A sectional views of this utility model embodiment 1.
Fig. 4 is the pendency tower B-B sectional views of this utility model embodiment 1.
Fig. 5 is the pendency tower tetragon transformational structure rearview of this utility model embodiment 1.
Fig. 6 is the pendency tower tetragon transformational structure left view of this utility model embodiment 1.
Fig. 7 is 2 anchor support front view of this utility model embodiment.
Fig. 8 is 2 anchor support rearview of this utility model embodiment.
Fig. 9 is 2 anchor support A-A sectional views of this utility model embodiment.
Figure 10 is 2 anchor support B-B sectional views of this utility model embodiment.
Figure 11 is 2 anchor support tetragon transformational structure side view of this utility model embodiment.
Figure 12 is 2 anchor support tetragon transformational structure front view of this utility model embodiment.
1. tower leg in figure, 2. tower body, 3. wire cross-arm, 4. earth wire support, 5. tetragon transformational structure.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
The pendency tower of embodiment 1
Pendency tower as depicted in figs. 1 and 2, during as pendency tower, a kind of electric power pylon suitable for mining influence area, from
Under it is supreme be made up of tower leg 1, tower body 2, tetragon transformational structure 5, wire cross-arm 3, earth wire support 4 successively, earth wire support 4 is located at
The top of tower body 2；
Any level cross section of the tower body 2 is in equilateral triangle,
The tower leg 1 is fixedly mounted on the bottom of the tower body 2, in 2 bottom level cross section equilateral triangle of tower body
On three drift angles 21,22,23；The supported at three point of steel tower is statically determinate structure；
The wire cross-arm 3 is fixedly connected by the tetragon transformational structure 5 with the tower body 2；The wire cross-arm 3
It is upper that the insulator chain for being fixedly connected wire is installed；Insulator chain perpendicular to wire cross-arm 3 and high voltage electricity transmission conductive wire, insulator chain
High voltage electricity transmission conductive wire is fixed in bottom, and every size can meet the electric clearance requirement of high voltage power transmission；
The tetragon transformational structure 5 is made up of the upper and lower bottom surface 51,52 that horizontal cross-section is tetragon that be arranged in parallel；
The bottom surface 51,52 with one side of the tower body equilateral triangle level cross-sectionn as the first long side 511, with base
The drift angle at two ends is fulcrum the first summit 515 and the second summit 516 respectively as bottom surface, sets up two perpendicular to base
Tetragon transformational structure minor face 513,514, the 3rd drift angle with the equilateral triangle relative with base set up one as fulcrum
Second long side 512 of two minor faces 513,514 of connection, the two ends on the second long side are the 3rd summit 517 and the 4th summit 518；
First bottom surface 51 is located at the top of the second bottom surface 52, and is fixedly connected by connector 519；The bottom surface
3rd summit 517 and the 4th summit 518 are connected by connector with the tower body 2 of above and or below；
One base vertical transmission line of electricity direction of advance of the equilateral triangle of 2 horizontal cross-section of tower body, it is ensured that the three of tower body
Individual drift angle uniform-compression.
As seen in figures 3-6,2 main material of tower body selects the equal leg angle of steel pipe or 60 °, other components to select steel pipe as needed
Or 90 ° of equal leg angle；Any level cross section of tower body 2 is in equilateral triangle, and the equilateral triangle is with transmission line of electricity advance
Direction is symmetrically arranged for axle, and wire cross-arm 3 is connected by tetragon transformational structure 5 with tower body 2.
2 anchor support of embodiment
Anchor support as shown in Figure 7 and Figure 8, during as anchor support, a kind of electric power pylon suitable for mining influence area, from
Under it is supreme be made up of tower leg 6, tower body 7, tetragon transformational structure 8, wire cross-arm 9, earth wire support 10 successively, earth wire support 10 sets
In the top of tower body 7；
Any level cross section of the tower body 7 is in equilateral triangle,
The tower leg 6 is fixedly mounted on the bottom of the tower body 7, in 7 bottom level cross section equilateral triangle of tower body
On three drift angles；The supported at three point of steel tower is statically determinate structure；
The wire cross-arm 9 is fixedly connected by the tetragon transformational structure 8 with the tower body 7；The wire cross-arm 9
It is upper that the insulator chain for being fixedly connected wire is installed；Insulator chain is parallel with high voltage transmission line perpendicular to wire cross-arm 9, insulator chain
Bottom fix high voltage electricity transmission conductive wire, every size can meet the electric clearance requirement of high voltage power transmission；
The tetragon transformational structure 8 is made up of the upper and lower bottom surface 81,82 that horizontal cross-section is tetragon that be arranged in parallel；
The bottom surface 81,82 with one side of 7 equilateral triangle level cross-sectionn of the tower body as the first long side 811, the bottom of with
The drift angle at side two ends is fulcrum the first summit 815 and the second summit 816 respectively as bottom surface, sets up two perpendicular to base
Tetragon transformational structure minor face 813,814, set up with the 3rd drift angle of the equilateral triangle relative with base as fulcrum
Second long side 812 of two minor faces 813,814 of a piece connection, the two ends on the second long side 812 are the 3rd summit 817 and the 4th summit
818；
First bottom surface 81 is located at the top of the second bottom surface 82, and is fixedly connected by connector 819；The bottom surface
3rd summit 817 and the 4th summit 818 are connected by connector with the tower body 7 of above and or below；
The parallel ultra-high-tension power transmission line direction of advance in one base of the equilateral triangle of 7 horizontal cross-section of tower body as corner
Inner side, it is ensured that the main material of two electric towers is pressurized on the inside of corner, a main material tension on the outside of corner will give full play to its structure special
Property.
As shown in figs9-12,7 main material of tower body selects the equal leg angle of steel pipe or 60 °, other components to select steel as needed
Pipe or 90 ° of equal leg angle, 7 any level cross section of tower body are in equilateral triangle, before making equilateral triangle transmission lines in parallel
Enter on the inside of the corner that direction side is anchor support, it is ensured that on the inside of corner, two main materials of electric tower are pressurized, of electric tower on the outside of corner
Main material tension, will make the present embodiment give full play to its architectural characteristic；It is connected with wire cross-arm 9 by tetragon transformational structure 8, is led
Line cross-arm 9 sets up the side of tetragon transformational structure 8.
This utility model be for ultra-high-tension power transmission line by way of mining influence area when the class novel structure that designs, this practicality is new
Type has two kinds of tower forms, that is, dangle tower and anchor support, and tower body any level cross section of the present utility model is in equilateral triangle,
Steel tower supported at three point is statically determinate structure, when tower leg occurs differential settlement, does not produce constraint secondary stress, improves transmission line safety
The reliability of operation.
This utility model is static determinacy, the elastic steel construction of supported at three point, is connected using bolted splice, and the internal stress of component is not
By accidental column foot Influence of Displacement, impact of the bolted displacement of main, oblique material to component internal stress also accordingly reduces, with elder generation
The ability of its anti-differential settlement, it is adaptable to by way of the engineering in mining influence area.
This utility model reduces by a face than tetragon tower, and tower body number of components at least reduces 25%, accordingly reduces by a base
Plinth, reduces processing, difficulty of construction, speeds up the work.Moreover, it is assumed that root is opened when being a, this utility model is than traditional tetragon
Tower floor space reduces 56.7%, can save column foot land expropriation cost and have larger environmental protection and social benefit.
To 220kV double-circuit line engineerings, 4%- gently 5%-9%, foundation engineering expense can be reduced using this utility model tower weight
9%；When being limited by external condition（Column foot width of corridor is limited such as）, it is necessary to during using narrow base steel tube tower, using this utility model tower
Weight can light 10%-12%, foundation engineering expense can reduce 10%-15%, and column foot scope of taking over the land for use can reduce more than 35%.
Listed above is only preferred embodiment of the present utility model, it is all made on the basis of this utility model repair
Change, improve, deform, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a kind of electric power pylon suitable for mining influence area, including tower leg, tower body, wire cross-arm, earth wire support and tetragon
Transformational structure, it is characterised in that
The tower body any level cross section is in equilateral triangle,
The tower leg is fixedly mounted on the bottom of the tower body, three tops of equilateral triangle in tower body bottom level cross section
Angle；Steel tower supported at three point is statically determinate structure；
The wire cross-arm is fixedly connected by the tetragon transformational structure with the tower body；Install on the wire cross-arm solid
Determine the insulator chain of connecting wire；
The tetragon transformational structure is by upper and lower the first bottom surface and the second bottom surface structure that horizontal cross-section is tetragon that be arranged in parallel
Into；
First bottom surface and the second bottom surface respectively with one side of the tower body equilateral triangle level cross-sectionn as the first long side,
Using the drift angle at base two ends as fulcrum and as first summit and the second summit of bottom surface, two are set up perpendicular to base
Tetragon transformational structure minor face, the 3rd drift angle with the equilateral triangle relative with base set up a connection two as fulcrum
Second long side of individual minor face, the two ends on the second long side are the 3rd summit and the 4th summit；
First bottom surface is located at the top of second bottom surface, and is fixedly connected by connector.
2. the electric power pylon in mining influence area is applied to as claimed in claim 1, it is characterised in that first bottom surface and second
Respective 3rd summit in bottom surface and the 4th summit are connected by connector with the tower body of above and or below.
3. the electric power pylon in mining influence area is applied to as claimed in claim 1 or 2, it is characterised in that during as anchor support, made
One base transmission lines in parallel direction of advance of the equilateral triangle of tower body horizontal cross-section and as corner on the inside of.
4. the electric power pylon in mining influence area is applied to as claimed in claim 1 or 2, it is characterised in that during as pendency tower, made
One base vertical transmission line of electricity direction of advance of the equilateral triangle of tower body horizontal cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965076.2U CN206035064U (en) | 2016-08-29 | 2016-08-29 | Steel pylons suitable for adopt influence district |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965076.2U CN206035064U (en) | 2016-08-29 | 2016-08-29 | Steel pylons suitable for adopt influence district |
Publications (1)
| Publication Number | Publication Date |
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| CN206035064U true CN206035064U (en) | 2017-03-22 |
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ID=58301205
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620965076.2U Active CN206035064U (en) | 2016-08-29 | 2016-08-29 | Steel pylons suitable for adopt influence district |
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| Country | Link |
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| CN (1) | CN206035064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285163A (en) * | 2016-08-29 | 2017-01-04 | 江西省电力设计院 | A kind of triangular section electric power pylon |
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2016
- 2016-08-29 CN CN201620965076.2U patent/CN206035064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285163A (en) * | 2016-08-29 | 2017-01-04 | 江西省电力设计院 | A kind of triangular section electric power pylon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 330096 426 Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi Patentee after: China Electric Power Construction Group Jiangxi Electric Power Design Institute Co., Ltd. Address before: 330096 426 Jingdong Avenue, Nanchang high tech Development Zone, Jiangxi Patentee before: Jiangxi Electric Power Design Institute |
|
| CP03 | Change of name, title or address |