CN208815987U - A kind of compound cross-arm narrow base tower in the double loop 330kV - Google Patents
A kind of compound cross-arm narrow base tower in the double loop 330kV Download PDFInfo
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Abstract
The compound cross-arm narrow base tower in a kind of double loop 330kV provided by the present application, is related to electric force pole tower technical field.Tower head part is successively connect with tower body formed from top to bottom by ground wire cross-arm, upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm.Tower body main body is made of tower body main material, tower body X-braced panels, tower leg.Ground wire cross-arm, upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm are symmetrical arranged in tower head two sides, conducting wire cross-arm is made of composite material compression bar, composite material pull rod, and the composite material compression bar that two of every side are obliquely installed and tower body main body form gusseted；Composite material pull rod both ends are separately connected tower body and composite material compression bar.Ground wire cross-arm selects steel, and upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm are all made of composite material.A kind of compound cross-arm narrow base tower in the double loop 330kV, can save a large amount of steel, and tower head size is small, and width of corridor is narrow, convenient transportation and assembling, and long service life enhances the environment friendly of steel tower.
Description
Technical field
This application involves the compound cross-arm narrow base towers of electric force pole tower technical field more particularly to a kind of double loop 330kV.
Background technique
With the development of power grid construction, transfer electricity from the west to the east, the electricity power engineering of north and south supply mutually further gos deep into, overhead transmission line
More and more, the engine request of transmission line of electricity is also increasingly stringenter.When evaluating overhead transmission line, need to comprehensively consider make somebody a mere figurehead it is defeated
Electric line is durings construction, operation, maintenance etc., the economy of embodiment, technical, environment friendly.
110kV above iron tower of power transmission line overwhelming majority in China uses all-steel structure at present, i.e. tower body main material, tower body is handed over
Pitch steel pipe or angle steel that oblique material, tower leg, cross-arm etc. are all made of steel production.Iron tower of power transmission line using all-steel structure has
Following characteristics: (1) steel there are sole mass weight, it is easy to crack when easy-to-rust, unbalance stress under wet environment the defects of, constructing
There are larger difficulties for transport, operation, maintenance etc..(2) steel tower is that pollution flashover, wind occur for the power transmission line Louis of full steel structure
Failures and the accident such as electric discharge partially, increases maintenance work amoun, increases comprehensive cost.(3) the extensive erection of overhead transmission line,
The demand of steel is caused to increase, to consume a large amount of mineral products energy, the influence to ecological environment is huge, is unfavorable for ecological ring
The benign development in border.(4) the iron tower of power transmission line self weight of full steel structure is larger, and roadbed construction requires height, takes up a large area, route
Corridor is wide, and general construction is in the place far from living area, to reduce the influence to surrounding resident, peripheral facility.
Based on this, one kind is needed not only to be able to satisfy power transmission line iron tower foundation function, but also can be reduced occupied area, safety, letter
Single, economic novel iron tower structure.
Utility model content
This application provides a kind of compound cross-arm narrow base towers in double loop 330kV, are taken up a large area with solving traditional steel tower, steel
High material consumption, O&M cost investment is big, complex structure and other problems.
A kind of compound cross-arm narrow base tower in the double loop 330kV, comprising: tower body main body, the tower body main body include tower body main material,
The oblique material in leg of tower body X-braced panels, tower leg and the connection tower leg；The tower body main body be equipped with cross-arm structure, by up to
Under be followed successively by ground wire cross-arm, upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm, the lower wire cross-arm is arranged in the tower
The above position in the middle part of body main body；
The upper conducting wire cross-arm, the middle conducting wire cross-arm and the lower wire cross-arm include being symmetricly set on the tower body
Two composite material compression bars of main body two sides, two composite material pull rods, wherein the composite material compression bar of two of every side
Gusseted is formed with the tower body main body；One end of the every composite material pull rod is arranged in two composite material pressures
The junction of bar, the other end are arranged in the tower body main body above the composite material compression bar；
The every composite material compression bar is non-horizontal setting, and two endpoints have preset height in vertical direction；
The tower body main material, the tower leg are made of steel pipe, and the tower body X-braced panels, the oblique material in leg use angle steel system
Make, the ground wire cross-arm is made of angle steel, and the upper conducting wire cross-arm, the middle conducting wire cross-arm and the lower wire cross-arm are adopted
It is made of composite material, the constituent of the composite material includes resin and fiber.
Optionally, the constituent of the composite material includes epoxy resin and E- glass fibre.
Optionally, silicon rubber umbrella skirt is set on the composite material compression bar, and the cross section of the composite material compression bar is
Steel sleeve is arranged in one end of annular, the composite material compression bar, passes through the steel node in plate, bolt and the tower body main body
Plate connection.
Optionally, silicon rubber umbrella skirt is set in the composite material pull rod, and the cross section of the composite material pull rod is
Circle, the composite material pull rod both ends pass through the steel in connection gold utensil and the composite material compression bar, the tower body main body
Gusset plate connection.
Optionally, the junction of two composite material compression bars is arranged in one end of the every composite material pull rod,
The junction of adjacent thereto, top the cross-arm structure and the tower body main body is arranged in the other end.
Optionally, two endpoints of the composite material compression bar, in vertical direction on choose distance be 1.0m.
Optionally, the ground wire cross-arm, the upper conducting wire cross-arm, the middle conducting wire cross-arm and lower wire cross-arm both ends
It is symmetrically arranged with hanging wire point, the distance of hanging wire point to the tower body main body central axes is respectively 5.9m, 5.4m, 5.9m, 5.4m.
Optionally, from top to bottom, the vertical range of the two neighboring cross-arm structure hanging wire point is apart from successively are as follows: 4.5m,
6.5m、6.5m。
Optionally, the cross section for becoming the above tower body main body at slope is square, and tower body width is 1.5m.
Optionally, steel tower root is opened as 4.0m.
The technical scheme provided by the application includes following advantageous effects:
Compared with prior art, the compound cross-arm narrow base tower in a kind of double loop 330kV provided by the present application, including tower body master
Body, tower body main body include tower body main material, tower body X-braced panels, tower leg, the oblique material in leg.Tower body main body is equipped with cross-arm structure, by
Ground wire cross-arm, upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm are followed successively by under, and lower wire cross-arm is arranged in tower body
The above position in the middle part of main body.Upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm include being symmetricly set on tower body main body
Two composite material compression bars of two sides, two composite material pull rods, wherein two composite material compression bars of every side and tower body master
Body forms gusseted；The junction of two composite material compression bars is arranged in one end of every composite material pull rod, and the other end is set
It sets in the tower body main body above composite material compression bar；Every composite material compression bar is non-horizontal setting, and two endpoints are vertical
There are preset heights on direction.Tower body main material, tower leg are made of steel pipe, and tower body X-braced panels, the oblique material in leg use angle steel system
To make, ground wire cross-arm is made of angle steel, and upper conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm are all made of composite material production,
The constituent of composite material includes resin and fiber.Using the narrow base tower of composite material, due to composite material have it is high-intensitive,
Lightweight, the features such as corrosion-resistant, insulation performance is good, designability is strong, can sufficiently meet the requirement of 330kV transmission line of electricity.
A large amount of steel can be saved using composite material, reduce tower head size, reduce width of corridor, convenient transportation and assembling.Simultaneously
The long service life of composite material, reduces the O&M cost of electric power tower, steel tower Color tunable, nonhazardous, can be again after scrapping
It utilizes, enhances the environment friendly of steel tower.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the compound cross-arm narrow base tower in the double loop 330kV provided by the embodiments of the present application.
Fig. 2 is upper conducting wire cross-arm structural plan provided by the embodiments of the present application.
Description of symbols: 1, tower body main material；2, tower body X-braced panels；3, tower leg；4, the oblique material in leg；5, ground wire cross-arm；
6, upper conducting wire cross-arm；7, middle conducting wire cross-arm；8, lower wire cross-arm；9, composite material compression bar；10, composite material pull rod；11, become slope
Place.
Specific embodiment
Attached drawing 1 is please referred to, the figure shows the structures of the compound cross-arm narrow base tower in the double loop 330kV provided by the present application.
A kind of compound cross-arm narrow base tower in the double loop 330kV, comprising: tower body main body, tower body main body include tower body main material 1, tower
Body X-braced panels 2, tower leg 3 and the oblique material 4 in leg for connecting tower leg 3；Tower body main body is equipped with cross-arm structure, is from top to bottom followed successively by
Ground wire cross-arm 5, upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm 8, lower wire cross-arm 8 are arranged in tower body main body
The above position in portion.
Upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm 8 include being symmetricly set on the two of tower body main body two sides
9, two composite material pull rods 10 of root composite material compression bar, wherein the two composite material compression bars 9 and tower body main body group of every side
At gusseted；The junction of two composite material compression bars 9, other end setting is arranged in one end of every composite material pull rod 10
In tower body main body above composite material compression bar 9.
Every composite material compression bar 9 is non-horizontal setting, and two endpoints have preset height in vertical direction.
Tower body main material 1, tower leg 3 are made of steel pipe, and tower body X-braced panels 2, the oblique material 4 in leg are made of angle steel, ground wire
Cross-arm 5 is made of angle steel, and upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm 8 are all made of composite material production, compound
The constituent of material includes resin and fiber.
As shown in Figure 1, electric power tower is from top to bottom followed successively by tower body main material 1, tower body X-braced panels 2, tower leg 3, tower body master
Material 1 is steel pipe, and tower body main material 1 is connected by tower body X-braced panels 2, and tower body X-braced panels 2 are angle steel production；Tower body main body is equipped with
Become 11 at slope, the lowest part of tower body main body is arranged in tower leg 3, and tower leg 3 is also to be made by steel pipe.
Tower body main body is equipped with cross-arm structure, is from top to bottom followed successively by ground wire cross-arm 5, upper conducting wire cross-arm 6, middle conducting wire cross-arm
7 and lower wire cross-arm 8.Wherein, ground wire cross-arm 5 is using tower body main body central axes as the symmetrical structure of symmetry axis, in suspension
Line.Ground wire cross-arm 5 is triangular structure, and the height with tower body junction is 2m, and end angle is 21 degree.
Upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm 8 are using tower body main body central axes as pair of symmetry axis
Claim structure, for hanging transmission pressure.Upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 are similar with the structure of 8 three of lower wire cross-arm, horizontal
It is different to carry on a shoulder pole length.It is illustrated for the above conducting wire cross-arm 6 below.
As shown in Fig. 2, upper conducting wire cross-arm 6 includes composite material compression bar 9, composite material pull rod 10, wherein tower body main body
Two sides are symmetrical arranged composite material compression bar 9 and composite material pull rod 10, every side include two composite material compression bars 9, two
Composite material pull rod 10.Two composite material compression bars 9 have a public tie point, and the other end is connected to tower body main material
On 1.The height of upper conducting wire cross-arm 6 and tower body junction is 3.5m.Two composite material compression bars 9 and tower body main body form triangle branch
Support.
One end of two composite material pull rods 10 is connect with the points of common connection of two composite material compression bars 9, the other end
It is connect respectively with tower body main body, composite material compression bar 9, composite material pull rod 10 are same as tower body main body three can to form triangle
Support.
Structure arrangement takes full advantage of the excellent feature of composite material tensile property, avoids using oblique material, between oblique material
There are intermediate nodes, and nodal-connection components need to be arranged, and increase cost input.Triangular support configurations have good stabilization simultaneously
Property, meet the reliability of transmission line of electricity hanging wire.
In order to better meet bearing capacity, deformation and the requirement of electrical design, composite material compression bar 9 is far from tower body main body
One end tilt upwards, i.e., there is preset height in two endpoints in vertical direction.It is obliquely installed, may make composite material compression bar
9 stress performance is more preferable.
The structure of 8 three of upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm is simple, easy to assembly.Lower wire is horizontal
The above position in middle part of tower body main body is arranged in load 8, wherein 11 at change slope of the lower plane of lower wire cross-arm 8 apart from tower body main body
For 1.5m.
Tower body main material 1, tower leg 3 are made of steel pipe, common Q345 steel pipe can be selected, tower body X-braced panels 2, leg are oblique
Material 4 is made of angle steel, and common Q235 angle steel can be selected.
Upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and lower wire cross-arm 8 are all made of composite material production.The composition of composite material
Ingredient includes resin and fiber.Fiber is connected into an entirety and bearing load, the object based on resin and fiber by resin matrix
The physical and mechanical property of composite material compression bar 9, composite material pull rod 10 can be effectively ensured in rationality energy.Composite material has preferable
Electric insulating quality, the length of suspension insulator can greatly be shortened, or even cancel the setting of suspension insulator.
Composite material compression bar 9, composite material pull rod 10 are the main stressed member in housing structure, according to the technological requirements,
It when caliber is less than or equal to 300mm, is made of pultrusion or winding shaping process, when caliber is greater than 300mm, using twining
It is made around moulding process.
Great deal of steel can be saved using composite material, the pollution to environment is reduced indirectly and destroys.Simultaneously as composite wood
The lighter weight of material, the narrow base tower based on composite material are self-possessed lighter, and occupied area reduces.
The intensity of composite material is high, and electric insulating quality is good, in tower head design, can be met using lesser size and be wanted
It asks, so as to reduce tower head size, reduces width of corridor.
Composite material also has the advantages that other, such as corrosion-resistant, facilitates design, and handling ease, insulation performance is good, tension
Intensity height etc. can be effectively reduced the O&M cost of electric power tower, meanwhile, composite material Color tunable, nonhazardous can after scrapping
Recycling and reusing extends service life, ensure that the environment friendly of electric power tower.
Optionally, the constituent of composite material includes epoxy resin and E- glass fibre.
Comprehensively consider the factors such as intensity, modulus, price and yield, fibre composition selects E- glass fibre.E- glass fibers
Dimension is also alkali-free glass fibre, and chemical stability, electrical insulation capability, intensity are good, and excellent knot can be made as after resin-bonded
Structure material.
The tensile strength of epoxy resin, shear strength and compression strength are higher, and elongation percentage reaches 4%, have good
It the features such as bonding, corrosion-resistant, electric insulation, high intensity, can be and moderate well with E- glass fibre cooperative transformation.Two
Person's combination can meet the requirement of electric power tower, and economy is good.
Optionally, silicon rubber umbrella skirt is set on composite material compression bar 9, and the cross section of composite material compression bar 9 is annular, multiple
Steel sleeve is arranged in one end of condensation material compression bar 9, is connected by the steel gusset plate in plate, bolt and tower body main body.
For the insulating properties for guaranteeing composite material compression bar 9, silicon rubber umbrella skirt is set on composite material compression bar 9.Composite wood
The cross section for expecting compression bar 9 is annular, and cross sectional moment of inertia is big, and stability bearing capacity is high, and easy to make, and connection is simple.
The range of choice of 9 specification of composite material compression bar is 200 × 10-FRP of FRP φ φ 250 × 15 (FRP, Fiber
Reinforced Polymer/Plastic, fibre reinforced composites), composite material compression bar 9 connect with tower body main body one
End is equipped with steel sleeve, plate and is connect plate with the steel gusset plate in tower body main body by bolt.The connection type can be with
Guarantee the secured connection of composite material compression bar 9 and tower body main body.
Optionally, silicon rubber umbrella skirt is set in composite material pull rod 10, and the cross section of composite material pull rod 10 is circle,
The both ends of composite material pull rod 10 pass through connection gold utensil respectively with the steel gusset plate in composite material compression bar 9, tower body main body
Connection.
For the insulating properties for guaranteeing composite material pull rod 10, silicon rubber umbrella skirt is set in composite material pull rod 10.It is compound
The cross section of material pull rod 10 is circle, easy to make, and connection is simple.
The range of choice of 10 specification of composite material pull rod is FRP φ 20-FRP φ 24, and both ends pass through connection gold utensil point
It is not connect with the steel gusset plate of the steel gusset plate of 9 end of composite material compression bar, tower body main body.This kind of connection type simplifies
The construction of endpoint node, facilitates construction and installation.
Optionally, the junction of two composite material compression bars 9, the other end is arranged in one end of every composite material pull rod 10
The junction of adjacent thereto, top cross-arm structure and tower body main body is set.
In order to simplify composite material compression bar 9, composite material pull rod 10, the connection type of tower body main body three, composite material
The connection in cross-arm structure and tower body main body adjacent thereto, top can be set in pull rod 10 and the link position of tower body main body
Place.It is illustrated by taking the composite material pull rod 10 of lower wire cross-arm 8 as an example.
The both ends of composite material pull rod 10 are provided with connection gold utensil, and wherein one end is connected to two composite material compression bars 9
Connecting node at, the other end is arranged at the composite material compression bar 9 of middle conducting wire cross-arm and the link position of tower body main body, tower body
The node of main material is welded on steel pipe using steel gusset plate.
And the connecting node of two composite material compression bars 9 is arranged in 10 one end of composite material pull rod of fixed upper conducting wire cross-arm 6
Place, the other end are arranged at the link position of 5 bottom of ground wire cross-arm and tower body main body.
Optionally, two endpoints of composite material compression bar 9, in vertical direction on choose distance be 1.0m.
On the arrangement chosen can better meet the requirement of bearing capacity, deformation and electrical design.
Optionally, ground wire cross-arm 5, upper conducting wire cross-arm 6, middle conducting wire cross-arm 7 and 8 both ends of lower wire cross-arm are symmetrically arranged with hanging wire
The distance of point, hanging wire point to tower body main body central axes is respectively 5.9m, 5.4m, 5.9m, 5.4m.
In order to meet lightning protection requirement, electric clearance requirement, electromagnetic environment requirements, insulation distance requirement, the extension of cross-arm structure
Line point is respectively set to 5.9,5.4m, 5.9m, 5.4m at a distance from tower body main body central axes.
Optionally, from top to bottom, the vertical range of two neighboring cross-arm structure hanging wire point is successively are as follows: 4.5m, 6.5m,
6.5m。
It is 4.5m positioned at the ground wire cross-arm 5 of tower body main body the same side and the hanging wire point spacing of upper conducting wire cross-arm 6, is located at tower body
The upper conducting wire cross-arm 6 of main body the same side and the hanging wire point spacing of middle conducting wire cross-arm 7, middle conducting wire cross-arm 7 and lower wire cross-arm 8 are
6.5m。
Optionally, the cross section for becoming 11 or more tower body main bodys at slope is square, and tower body width is 1.5m.
Optionally, steel tower root is opened as 4.0m.
Narrow base tower provided by the embodiments of the present application, steel tower root are opened as 4.0m, are 1/3 or so of traditional full steel structure steel tower.
Steel tower root is opened small, and occupied area is small, needs to may be provided among greenbelt according to construction, on the one hand transmission line of electricity is integrally spread
If route is more regular, the input cost of transmission line of electricity has been saved；On the other hand it is nervous to alleviate city land used, improves land use
Rate.
The compound cross-arm narrow base tower in a kind of double loop 330kV provided by the embodiments of the present application, using including epoxy resin and E-
The composite material of glass fibre can be saved as upper conducting wire cross-arm 6, the main material of middle conducting wire cross-arm 7 and lower wire cross-arm 8
A large amount of steel can also reduce tower head size, reduce width of corridor.The intensity of composite material is high, light weight, has preferable
Corrosion resistance, handling ease, designability is strong, basic input cost, the O&M cost of electric power tower can be greatly reduced, and multiple
Condensation material is scrapped rear recycling, enhances the environment friendly of the compound cross-arm narrow base tower in the double loop 330kV.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that article or equipment including a series of elements not only include those elements, but also including not arranging clearly
Other element out, or further include for elements inherent to such a process, method, article, or device.Not more
In the case where limitation, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element
There is also other identical elements in method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be understood that the application is not limited to the content being described above, and its model can not departed from
It encloses and carry out various modifications and change.Scope of the present application is only limited by the accompanying claims.
Claims (9)
1. a kind of compound cross-arm narrow base tower in the double loop 330kV characterized by comprising tower body main body, the tower body main body include
Tower body main material (1), tower body X-braced panels (2), tower leg (3) and the oblique material in leg (4) of the connection tower leg (3)；The tower body
Main body be equipped with cross-arm structure, be from top to bottom followed successively by ground wire cross-arm (5), upper conducting wire cross-arm (6), middle conducting wire cross-arm (7) and under
The above position in middle part of the tower body main body is arranged in conducting wire cross-arm (8), the lower wire cross-arm (8)；
The upper conducting wire cross-arm (6), the middle conducting wire cross-arm (7) and the lower wire cross-arm (8) include being symmetricly set on institute
State two composite material compression bars (9), two composite material pull rods (10) of tower body main body two sides, wherein two institutes of every side
It states composite material compression bar (9) and the tower body main body forms gusseted；One end of the every composite material pull rod (10) is set
It sets in the junction of two composite material compression bars (9), other end setting is described above the composite material compression bar (9)
In tower body main body；
The every composite material compression bar (9) is non-horizontal setting, and two endpoints have preset height in vertical direction；
The tower body main material (1), the tower leg (3) are made of steel pipe, and the tower body X-braced panels (2), the oblique material in leg (4) are adopted
Made of angle steel, the ground wire cross-arm (5) using angle steel make, the upper conducting wire cross-arm (6), the middle conducting wire cross-arm (7) and
The lower wire cross-arm (8) is all made of composite material production, and the constituent of the composite material includes resin and fiber.
2. narrow base tower according to claim 1, which is characterized in that the constituent of the composite material includes epoxy resin
With E- glass fibre.
3. narrow base tower according to claim 1, which is characterized in that silicon rubber umbrella skirt is set in the composite material compression bar
(9) on, the cross section of the composite material compression bar (9) is annular, and steel sleeve is arranged in one end of the composite material compression bar (9),
It is connect by plate, bolt with the steel gusset plate in the tower body main body.
4. narrow base tower according to claim 1, which is characterized in that silicon rubber umbrella skirt is set in the composite material pull rod
(10) on, the cross section of the composite material pull rod (10) is circle, and the both ends of the composite material pull rod (10) pass through connection
Fitting is connect with the steel gusset plate in the composite material compression bar (9), the tower body main body respectively.
5. narrow base tower according to claim 1, which is characterized in that two endpoints of the composite material compression bar (9) are hanging down
Histogram it is upward on to choose distance be 1.0m.
6. narrow base tower according to claim 1, which is characterized in that the ground wire cross-arm (5), the upper conducting wire cross-arm (6),
The middle conducting wire cross-arm (7) and the lower wire cross-arm (8) both ends are symmetrically arranged with hanging wire point, the hanging wire point to the tower body master
The distance of body central axes is respectively 5.9m, 5.4m, 5.9m, 5.4m.
7. narrow base tower according to claim 1, which is characterized in that from top to bottom, the two neighboring cross-arm structure hanging wire
The vertical range of point is successively are as follows: 4.5m, 6.5m, 6.5m.
8. narrow base tower according to claim 1, which is characterized in that become the cross section of (11) the above tower body main body at slope
It is square, tower body width 1.5m.
9. narrow base tower according to claim 1, which is characterized in that steel tower root is opened as 4.0m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407399.5U CN208815987U (en) | 2018-08-30 | 2018-08-30 | A kind of compound cross-arm narrow base tower in the double loop 330kV |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821407399.5U CN208815987U (en) | 2018-08-30 | 2018-08-30 | A kind of compound cross-arm narrow base tower in the double loop 330kV |
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| CN208815987U true CN208815987U (en) | 2019-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952303A (en) * | 2018-08-30 | 2018-12-07 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of compound cross-arm narrow base tower in the double loop 330kV |
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2018
- 2018-08-30 CN CN201821407399.5U patent/CN208815987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952303A (en) * | 2018-08-30 | 2018-12-07 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of compound cross-arm narrow base tower in the double loop 330kV |
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