CN208885095U - A kind of compound cross-arm tower of 1000kV wine glass-shaped - Google Patents
A kind of compound cross-arm tower of 1000kV wine glass-shaped Download PDFInfo
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- CN208885095U CN208885095U CN201821571506.8U CN201821571506U CN208885095U CN 208885095 U CN208885095 U CN 208885095U CN 201821571506 U CN201821571506 U CN 201821571506U CN 208885095 U CN208885095 U CN 208885095U
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Abstract
A kind of compound cross-arm tower of 1000kV wine glass-shaped, including tower body and the tower window being arranged at the top of tower body, tower window includes two support arms in open-type structure setting, the top of two support arms is separately installed with earth wire support, the on both sides of the middle of two support arms is provided with side phase composite materials cross-arm outward, and middle phase composite materials cross-arm is provided between the middle part of two support arms；Composite material cross arm includes support insulator and the oblique pull insulator for upwarping drawing to support insulator；Earth wire support, tower window and the tower body is electrically connected.The utility model cross-arm bilateral symmetry, the structure of stress balance, wine glass-shaped is aesthetic in appearance, has the advantages that low cost, saves width of corridor, can reduce windage yaw discharge accident probability, ground connection is convenient, operation expense is low etc..
Description
Technical field
The utility model belongs to high voltage power transmission field, and in particular to a kind of compound cross-arm tower of 1000kV wine glass-shaped.
Background technique
Current power transmission tower structure mainly uses all-steel structure, as shown in figure 5, needing to expend a large amount of steel, consumes
The a large amount of mineral products energy, causes the serious pollution of ecological environment.And overhead line structures use all-steel structure, and there are quality
The problems such as weight, difficult construction transport and operation and maintenance, therefore a kind of new trend using new material as transmission tower field.
Composite material (FRP) is due to good with high-strength, lightweight, corrosion-resistant, handling ease, designability and insulation performance
The advantages that, increasingly paid attention to by engineering circles, is to replace steel construction defeated especially for power transmission and transformation industry engineer application institute pro-gaze
One of the ideal material of electric pole tower structure.In recent years, with further decreasing for composite material cost and being constantly progressive for technique,
The research of domestic composite material pole tower is increasing, and graduallys mature.For composite material pole tower, previous research master both domestic and external
It concentrates in " single lever-type ", in recent years, the research of lattice is also gradually increased, this is primarily due to the elasticity of composite material
Modulus and compression strength are lower, and the strength and stiffness that the bearing capacity of single pole structure is difficult to meet the big load shaft tower of high voltage are wanted
It asks, therefore high pressure, extra high voltage network composite material tower should use the structural shape of " structure structure formula ".
It is new in Ning Dong-Shandong ± 660kV direct current transportation demonstration project and 750kV for lattice composite material pole tower
Pilot application has been carried out in boundary and northwest networking second channel engineering, has achieved biggish economic benefit, but use dry font
Structural shape, unsightly, simultaneously because cross-arm is asymmetric, stress is relatively unreasonable, and cost is relatively high for pattern.
Utility model content
The purpose of this utility model is that being directed to above-mentioned the problems of the prior art, a kind of stress balance, pattern beauty are provided
The compound cross-arm tower of the 1000kV wine glass-shaped of sight can save width of corridor, reduce windage yaw discharge accident probability, reduce engineering and make
Valence.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
Including tower body and the tower window being arranged at the top of tower body, tower window includes two supports in open-type structure setting
Arm, the top of two support arms are separately installed with earth wire support, and the on both sides of the middle of two support arms is provided with side Xiang Fuhe outward
Material cross-arm is provided with middle phase composite materials cross-arm between the middle part of two support arms；Composite material cross arm includes that pillar is exhausted
Edge and oblique pull insulator for upwarping drawing to support insulator；Earth wire support, tower window and the tower body is electrical
Connection.
The phase oblique pull insulator when phase composite materials cross-arm includes two side-phase post insulators and two, two Bian Xiangzhi
Column insulator is in the shape of the letter V arranged in a crossed manner in the same plane, and it is mutually oblique that a side is provided with above every side-phase post insulator
Sliding insulator, and one end of all side-phase post insulators and side phase oblique pull insulator is connected to by Bian Xianggang hanging point device
Together；Middle phase composite materials cross-arm includes four middle phase post insulators and four middle phase oblique pull insulators, leans on support arm same
Two middle phase post insulators of side are in the shape of the letter V arranged in a crossed manner in the same plane, set above every middle phase post insulator
It is equipped with a middle phase oblique pull insulator, and one end of all middle phase post insulators and middle phase oblique pull insulator passes through middle Xiang Gang
Hanging point device links together.
The side-phase post insulator and middle phase post insulator pass through cross plate connector and Bian Xianggang respectively
Hanging point device is connected with middle phase steel hanging point device, and the side phase oblique pull insulator passes through U-shaped respectively with middle phase oblique pull insulator
Ring connector is connect with Bian Xianggang hanging point device and middle phase steel hanging point device.The side phase oblique pull insulator and middle phase oblique pull are exhausted
Edge passes through U-shaped ring connector and connect with tower window, and the both ends of side-phase post insulator and middle phase post insulator are respectively equipped with
Steel pipe socket, wherein the first steel pipe socket is attached by cross plate connector and tower window, and the second steel pipe socket passes through cross
Plate connector is attached with Bian Xianggang hanging point device and middle phase steel hanging point device respectively.The U-shaped ring connector passes through
Resin solidification in the end of side phase oblique pull insulator and middle phase oblique pull insulator, first steel pipe socket, the second steel pipe socket with
And cross plate connector passes through resin solidification at the both ends of side-phase post insulator and middle phase post insulator.
The oblique pull insulator is flexible piece, and support insulator is rigid member, and composite material uses glass reinforced plastic asphalt mixtures modified by epoxy resin
Rouge fiber.
Full skirt is continuously provided on the oblique pull insulator and support insulator, and close to the side of the two connecting pin
It is provided with grading ring.The junction of the tower window and earth wire support and tower body is angle steel, and side phase composite materials cross-arm,
The support insulator and oblique pull insulator of middle phase composite materials cross-arm pass through angle steel respectively and connect with tower window.
Compared with prior art, the utility model has following the utility model has the advantages that tower window and tower body form wine glass-shaped structure,
Pattern is graceful, simple structure；Cross-arm bilateral symmetry, stress balance, girder system transmits lotus between forming space empty by each component
It carries.Compared with conventional angle steel wineglass tower, the steel tower weight of the utility model reduces about 13.5%, and base concrete side's amount reduces
28.4%, comprehensive cost reduces about 8%, and width of corridor saves 4.0m, saves 11%, advantageously reduces housing demolition amount and section
Save land resource.Since the insulation characterisitic of composite material is utilized, the suspension insulator of transmission tower structure is eliminated, is reduced
Power transmission circuit caused by windage pollution flashover accident probability, improves line security operation level.Pacify respectively on two support arm tops of tower window
Equipped with earth wire support, earth wire support, tower window and tower body are electrically connected, and realize ground connection lightning protection.Since composite material is with resistance to
The small feature of burn into high-low temperature resistant, stolen possibility, the maintenance cost of route is reduced using the utility model.
Detailed description of the invention
The line chart of the compound cross-arm tower of Fig. 1 the utility model；
The electrical installation schematic diagram of the compound cross-arm tower of Fig. 2 the utility model；
The side phase composite materials cross-arm structural front view of Fig. 3 a the utility model；
The side phase composite materials cross-arm structure top view of Fig. 3 b the utility model；
The middle phase composite materials cross-arm structural front view of Fig. 4 a the utility model；
The middle phase composite materials cross-arm structure top view of Fig. 4 b the utility model；
The structural schematic diagram of Fig. 5 tradition all-steel wine glass-shaped transmission tower；
In attached drawing: 1- side-phase post insulator；The side 2- phase oblique pull insulator；Phase oblique pull insulator in 3-；Xiang Zhizhu in 4-
Insulator；5- earth wire support；6- tower window；7- tower body；10- Bian Xianggang hanging point device；The first steel pipe socket of 11-；The second steel pipe of 12-
Set；13- cross plate connector；14- grading ring；15-U type ring connector；Phase steel hanging point device in 16-.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
Referring to Fig. 1, the compound cross-arm tower of the utility model 1000kV wine glass-shaped includes two sets of side phase composite materials cross-arms, a set of
The tower body 7 of middle phase composite materials cross-arm, the earth wire support 5 of 6, two sets of steel constructions of tower window and steel construction.
The bottom of tower window 6 is fixed on the top of tower body 7, and two sets of side phase composite materials cross-arms are set to 6 top two of tower window
Side, two sets of steel construction earth wire supports 5 are set to the top two sides of tower window 6.The earth wire support 5 and steel construction of tower window 6 and steel construction
The junction of tower body 7 be angle steel.Middle phase composite materials cross-arm is set to the inside of tower window 6.
The phase oblique pull when phase composite materials cross-arm includes two composite material side-phase post insulators, 1, two composite material
Insulator 2 and a set of Bian Xianggang hanging point device 10.As shown in Figure 3a and Figure 3b shows, side-phase post insulator 1 includes composite material
Component, composite element both ends are respectively equipped with the first steel sleeve 11, the second steel sleeve 12 and cross plate connector 13.
The first steel sleeve 11 and cross plate connector 13 of two side-phase post insulators 1 pass through bolt and Bian Xianggang
Hanging point device 10 is connected and fixed；Grading ring 14 is fixed on first steel sleeve 11.
First steel pipe socket 11 of two side-phase post insulators 1 is by cross plate connector 13 and the fixed company of tower window 6
It connects.It is approximate " V "-shaped after being connected between 10, two side-phase post insulators 1 of Bian Xianggang hanging point device.Side phase oblique pull insulator
2 both ends are fixedly connected with Bian Xianggang hanging point device 10 and tower window 6 respectively by U-shaped ring connector 15.
Composite material cast main material 1, the material of composite material insulator string 2 are glass reinforced plastic epoxy resin fiber.
Bian Xianggang hanging point device 10 includes a steel pipe, one piece of connecting plate, two pieces of thread gripping-boards and several stiffeners.
Middle phase composite materials cross-arm includes Xiang Zhizhu in 3, four composite materials of phase oblique pull insulator in four composite materials
Insulator 4 and a set of middle phase steel hanging point device 16.A and Fig. 4 b referring to fig. 4, middle phase post insulator 4 include composite material tube
With the connector for being set to composite material tube both ends；Phase post insulator in phase oblique pull insulator 3 and composite material in composite material
Son 4 connects tower window 6 and middle phase steel hanging point device 16 by the connector at both ends；The material of composite material tube is glass reinforced plastic epoxy
Resin fibre.
The earth wire support 5 of steel construction and the tower body 7 of steel construction are made of several angle iron components.
According to the compound cross-arm tower of 1000kV wine glass-shaped that above-mentioned technical proposal is realized, steel bushing tubular type node is consolidated by resin
Change is connected to composite material cast main material and composite insulator end, and blending bolt is by composite material cast main material, compound inslation
Son connection is integral, constitutes lattice composite material wineglass tower head.The deficiency of material stiffness is compensated for by the rigidity of structure, is increased
The rigidity and bearing capacity of composite material tower, convenient for being promoted and applied in high pressure, super-pressure and UHV transmission line engineering.
(1) composite element end coupling
Composite element end coupling is all-steel structure, by resin by steel connector and steel bushing tubular type node
Solidification is connected to composite material support insulator and composite insulator string end.
(2) lattice compound material insulation cross-arm
By bolt by composite element end coupling and two composite material support insulators, two composite materials
Oblique pull insulator connects integral, composition lattice composite material tower with a set of conducting wire hanging point device.
(3) Force principle of the compound cross-arm tower of 1000kV wine glass-shaped
The compound cross-arm tower of 1000kV wine glass-shaped is a space truss system system, it is the insulation using composite material itself
Characteristic realizes the purpose of insulation, while by the full skirt on surface, increasing the retting-flax wastewater of cross-arm；Improved by grading ring 14
Field distribution.Conductor load and cross-arm wind load are converted into the axial lotus of the compound cross-arm tower member of 1000kV wine glass-shaped simultaneously
It carries, load is transferred to the tower body, cross-arm and tower head of steel construction.Wherein cross-arm pressure is passed by two composite material support insulators
It is handed to tower body 7；And cross-arm pulling force is transmitted to tower body by two composite material oblique pull insulators.
(4) lightning protection of the compound cross-arm tower of 1000kV wine glass-shaped and ground connection
The ground connection of the compound cross-arm tower of 1000kV wine glass-shaped is realized by external steel structure member, by the ground wire of steel construction
Bracket 5 connects with ground wire, is connected along tower window 6 with the tower body 7 of steel construction, achievees the purpose that be grounded lightning protection.
(5) insulation configuration of the compound cross-arm tower of 1000kV wine glass-shaped
Insulation distance is all satisfied by the distance of guarantee conducting wire hanging point to any metalwork to achieve the purpose that tower head insulate.
Insulation distance is determined and carrying out insulation configuration to different voltages, height above sea level and gradation for surface pollution.Meanwhile for operating electricity
In the range for the air gap circle that pressure and the air gap influence, it is all made of composite element, realizes the purpose of insulation, such as Fig. 2
It is shown.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that specific embodiment of the present utility model is only limitted to this, to those skilled in the art, before not departing from design
It puts, several simple deduction or replace can also be made, all shall be regarded as belonging to the patent protection model that claims determine
It encloses.
Claims (8)
1. a kind of compound cross-arm tower of 1000kV wine glass-shaped, it is characterised in that: including tower body (7) and setting at the top of tower body (7)
Tower window (6), tower window (6) includes two support arms in open-type structure setting, and the top of two support arms is separately installed with
Earth wire support (5), the on both sides of the middle of two support arms are provided with side phase composite materials cross-arm outward, the middle parts of two support arms it
Between be provided with middle phase composite materials cross-arm；Composite material cross arm includes support insulator and for upwarping to support insulator
The oblique pull insulator of drawing；Earth wire support (5), tower window (6) and the tower body (7) is electrically connected.
2. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 1, it is characterised in that: the side phase composite materials
Cross-arm includes two side-phase post insulator (1) side He Lianggen phase oblique pull insulators (2), and two side-phase post insulators (1) exist
It is in the shape of the letter V on same plane arranged in a crossed manner, a side phase oblique pull insulator is provided with above every side-phase post insulator (1)
(2), and one end of all side-phase post insulator (1) He Bianxiang oblique pull insulator (2) passes through Bian Xianggang hanging point device (10)
It links together；The middle phase composite materials cross-arm includes four middle phase post insulators (4) and four middle phase oblique pull insulation
Sub (3), two middle phase post insulators (4) by support arm the same side be in the shape of the letter V in the same plane it is arranged in a crossed manner, in every
Be provided with a middle phase oblique pull insulator (3) above phase post insulator (4), and all middle phase post insulator (4) and
One end of middle phase oblique pull insulator (3) is linked together by middle phase steel hanging point device (16).
3. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 2, it is characterised in that: the side-phase post insulation
Sub (1) and middle phase post insulator (4) respectively by cross plate connector (13) and Bian Xianggang hanging point device (10) and in
Phase steel hanging point device (16) connection, the side phase oblique pull insulator (2) pass through U-shaped ring with middle phase oblique pull insulator (3) respectively
Connector (15) is connect with Bian Xianggang hanging point device (10) He Zhongxiang steel hanging point device (16).
4. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 3, it is characterised in that: the side phase oblique pull insulation
Sub (2) are connect by U-shaped ring connector (15) with tower window (6) with middle phase oblique pull insulator (3), side-phase post insulator (1)
Steel pipe socket is respectively equipped with the both ends of middle phase post insulator (4), wherein the first steel pipe socket (11) is connected by cross plate
Part (13) is attached with tower window (6), and the second steel pipe socket (12) is hung with side phase steel respectively by cross plate connector (13)
Point device (10) He Zhongxiang steel hanging point device (16) is attached.
5. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 4, it is characterised in that: the U-shaped ring connector
(15) by resin solidification in the end of side phase oblique pull insulator (2) and middle phase oblique pull insulator (3), first steel pipe socket
(11), the second steel pipe socket (12) and cross plate connector (13) are by resin solidification in side-phase post insulator (1)
With the both ends of middle phase post insulator (4).
6. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 1, it is characterised in that: the oblique pull insulator is
Flexible piece, support insulator are rigid member, and composite material uses glass reinforced plastic epoxy resin fiber.
7. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 1, it is characterised in that: the oblique pull insulator and
It is continuously provided with full skirt on support insulator, and the side of the two connecting pin is provided with grading ring (14).
8. the compound cross-arm tower of 1000kV wine glass-shaped according to claim 1, it is characterised in that: the tower window (6) and ground
The junction of line bracket (5) and tower body (7) is angle steel, and the branch of side phase composite materials cross-arm, middle phase composite materials cross-arm
Column insulator and oblique pull insulator pass through angle steel respectively and connect with tower window (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571506.8U CN208885095U (en) | 2018-09-26 | 2018-09-26 | A kind of compound cross-arm tower of 1000kV wine glass-shaped |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821571506.8U CN208885095U (en) | 2018-09-26 | 2018-09-26 | A kind of compound cross-arm tower of 1000kV wine glass-shaped |
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| CN208885095U true CN208885095U (en) | 2019-05-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852155A (en) * | 2020-07-28 | 2020-10-30 | 国网甘肃省电力公司经济技术研究院 | 110kV cat head type composite cross arm tower |
-
2018
- 2018-09-26 CN CN201821571506.8U patent/CN208885095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852155A (en) * | 2020-07-28 | 2020-10-30 | 国网甘肃省电力公司经济技术研究院 | 110kV cat head type composite cross arm tower |
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